10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2016

Commission file number 001-33606

VALIDUS HOLDINGS, LTD.

(Exact name of registrant as specified in its charter)

BERMUDA	98-0501001
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

29 Richmond Road, Pembroke, Bermuda HM 08

(Address of principal executive offices and zip code)

(441) 278-9000

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class:	Name of Each Exchange on Which Registered:
Common Shares, $0.175 par value per share	New York Stock Exchange
5.875% Preferred Shares, Series A, $0.175 par value per share	New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ý    No o

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes o    No ý

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý    No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ý    No o

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer ý Accelerated filer o Non-accelerated filer o (Do not check if a smaller reporting company) Smaller reporting company o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o    No ý

The aggregate market value of the voting and non-voting common equity held by non-affiliates of the registrant as of June 30, 2016 was $3,285.5 million computed upon the basis of the closing sales price of the Common Shares on June 30, 2016. For the purposes of this computation, shares held by directors and officers of the registrant have been excluded. Such exclusion is not intended, nor shall it be deemed, to be an admission that such persons are affiliates of the registrant.

As of February 22, 2017, there were 79,132,252 outstanding Common Shares, $0.175 par value per share, of the registrant.

DOCUMENTS INCORPORATED BY REFERENCE

Part III incorporates information from certain portions of the registrant’s definitive proxy statement to be filed with the Securities and Exchange Commission within 120 days after the fiscal year ended December 31, 2016.

Table of Contents		Page
PART I
Item 1.	Business	1
Item 1A.	Risk Factors	24
Item 1B.	Unresolved Staff Comments	41
Item 2.	Properties	41
Item 3.	Legal Proceedings	41
Item 4.	Mine Safety Disclosure	41
PART II
Item 5.	Market for Registrant's Common Equity, Related Shareholder Matters and Issuer Purchases of Equity Securities	42
Item 6.	Selected Financial Data	44
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	47
Item 7A.	Quantitative and Qualitative Disclosures About Market Risk	115
Item 8.	Financial Statements and Supplementary Data	117
Item 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	117
Item 9A.	Controls and Procedures	117
Item 9B.	Other Information	118
PART III
Item 10.	Directors, Executive Officers and Corporate Governance	119
Item 11.	Executive Compensation	119
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Shareholder Matters	119
Item 13.	Certain Relationships and Related Transactions, and Director Independence	119
Item 14.	Principal Accountant Fees and Services	119
PART IV
Item 15.	Exhibits and Financial Statement Schedules	120
Item 16.	Form 10-K Summary	125
SIGNATURES		125
	Index to Consolidated Financial Statements and Financial Statements Schedules	127

This Annual Report on Form 10-K contains “Forward-Looking Statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”). A non-exclusive list of the important factors that could cause actual results to differ materially from those in such Forward-Looking Statements is set forth under the caption “Management’s Discussion and Analysis of Financial Condition and Results of Operations -- Cautionary Note Regarding Forward-Looking Statements.”

PART I

Item 1.    Business

Overview

Validus Holdings, Ltd. was incorporated under the laws of Bermuda on October 19, 2005. Hereinafter, the “Company”, “us” or “we” are used to describe any or all of Validus Holdings, Ltd. and its subsidiary companies. The Company conducts its operations worldwide through four operating segments which have been determined under accounting principles generally accepted in the United States of America (“U.S. GAAP”) segment reporting: Validus Re, Talbot, Western World, and AlphaCat. Validus Re is a global reinsurance segment focused primarily on treaty reinsurance. Talbot is a specialty insurance segment, primarily operating within the Lloyd’s insurance market through Syndicate 1183. Western World is a U.S. based specialty excess and surplus lines insurance segment operating within the U.S. commercial market. AlphaCat is a Bermuda based investment adviser, managing capital for third parties and the Company in insurance linked securities (“ILS”) and other property catastrophe and specialty reinsurance investments.

We seek to establish ourselves as a leader in the global insurance and reinsurance markets. Our principal operating objective is to use our capital efficiently by underwriting primarily short-tail insurance and reinsurance contracts with superior risk and return characteristics. Our primary underwriting objective is to construct a portfolio of short-tail insurance and reinsurance contracts that maximizes our return on equity subject to prudent risk constraints on the amount of capital we expose to any single event. We manage our risks through a variety of means, including contract terms, portfolio selection, diversification, including geographic diversification, and proprietary and commercially available third-party vendor catastrophe models.

Since our formation in 2005, we have been able to achieve substantial success in the development of our business. Selected examples of our accomplishments are as follows:

• Raising approximately $1.0 billion of initial equity capital in December 2005 and underwriting $217.4 million in gross premiums written for the January 2006 renewal season;

• Building a risk analytics staff comprised of over 50 experts, many of whom have PhDs and Masters degrees in related fields;

• Developing Validus Capital Allocation and Pricing System (“VCAPS”), a proprietary computer-based system for modeling, pricing, allocating capital and analyzing catastrophe-exposed risks;

• Acquiring all of the outstanding shares of Talbot Holdings Ltd. (“Talbot”) on July 2, 2007;

• Completing an initial public offering (“IPO”) on July 30, 2007;

• Acquiring all of the outstanding shares of IPC Holdings Ltd. (“IPC”) on September 4, 2009;

• Acquiring all of the outstanding shares of Flagstone Reinsurance Holdings, S.A. (“Flagstone”) on November 30, 2012;

• Acquiring all of the outstanding shares of Western World Insurance Group, Inc. (“Western World”) on October 2, 2014;

• Successfully launching a series of AlphaCat sidecars and ILS funds beginning on May 25, 2011 and managing third party capital of $2.5 billion as at January 1, 2017;

• Delivering an 11.6% compounded annual growth in book value per diluted common share plus accumulated dividends from formation to December 31, 2016;

• Repurchasing approximately 80.5 million common shares for an aggregate purchase price of approximately $2,704.4 million and paying an aggregate amount of $1,175.5 million in common share dividends from formation to February 22, 2017.

• Raising $150.0 million of additional equity capital through the issuance of preferred shares in June 2016 and paying an aggregate amount of $4.5 million in preferred dividends to February 22, 2017.

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Operating Segments

Validus Re

The Validus Re segment operates as a global provider of reinsurance products. The segment operates primarily through two reinsurance companies; Validus Reinsurance, Ltd. and Validus Reinsurance (Switzerland) Ltd. (“Validus Re Swiss”). Validus Reinsurance, Ltd. was registered as a Class 4 insurer under The Insurance Act 1978 of Bermuda, amendments thereto and related regulations (the “Insurance Act”) in November 2005. It commenced operations with approximately $1.0 billion of equity capital and a balance sheet unencumbered by any historical losses relating to the 2005 hurricane season, the events of September 11, 2001, asbestos or other legacy exposures affecting our industry.

Validus Re Swiss is based in Zurich, Switzerland. Validus Re Swiss is licensed by the Swiss Financial Market Supervisory Authority, or FINMA, in Switzerland. Validus Re Swiss is also licensed as a permit company in Bermuda under the Companies Act and is registered in Bermuda as a Class 4 insurer under the Insurance Act, operating through its Bermuda branch, which complements our Swiss-based underwriters with a separate Bermuda underwriting platform.

Validus Re concentrates on first-party property and other reinsurance risks commonly referred to as short-tail in nature due to the relatively brief period between the occurrence and payment of a claim. During 2006, Validus Re entered the global reinsurance market during a period of imbalance between the supply of underwriting capacity available for reinsurance on catastrophe-exposed property, marine and energy risks and demand for such reinsurance coverage.

The following are the primary lines in which Validus Re conducts its business. Details of gross premiums written by line of business, are provided below:

	Years Ended December 31,
	2016				2015				2014
(Dollars in thousands)	Gross Premiums Written		% of Total		Gross Premiums Written		% of Total		Gross Premiums Written		% of Total
Property	$	472,965	42.6	%	$	547,409	48.6	%	$	616,554	55.1	%
Marine	105,698		9.5	%	152,670		13.5	%	190,959		17.1	%
Specialty	532,391		47.9	%	426,680		37.9	%	311,019		27.8	%
Total	$	1,111,054	100.0	%	$	1,126,759	100.0	%	$	1,118,532	100.0	%

Property:    Validus Re underwrites property catastrophe reinsurance, property per risk reinsurance and property pro rata reinsurance.

Property catastrophe:  Property catastrophe reinsurance provides reinsurance for insurance companies’ exposures to an accumulation of property and related losses from separate policies, typically relating to natural disasters or other catastrophic events. Property catastrophe reinsurance is generally written on an excess of loss basis, which provides coverage to insurance companies when aggregate claims and claim expenses from a single occurrence for a covered peril exceed a certain amount specified in a particular contract. Under these contracts, the Company provides protection to an insurer for a portion of the total losses in excess of a specified loss amount, normally up to a maximum amount per loss and/or an aggregate amount across multiple losses, as specified in the contract. In the event of a loss, most contracts provide for coverage of a second occurrence following the payment of a premium to reinstate the coverage under the contract, which is referred to as a reinstatement premium. The coverage provided under excess of loss reinsurance contracts may be on a worldwide basis or limited in scope to specific regions or geographical areas. Coverage can also vary from “all property” perils, which is the most expansive form of coverage, to more limited coverage of specified perils such as windstorm-only coverage. Property catastrophe reinsurance contracts are typically “all risk” in nature, providing protection against losses from earthquakes and hurricanes, as well as other natural and man-made catastrophes such as floods, tornadoes, fires and storms. The predominant exposures covered are losses stemming from property damage and business interruption coverage resulting from a covered peril. Certain risks, such as war or nuclear contamination may be excluded, partially or wholly, from certain contracts. Gross premiums written on property catastrophe business during the year ended December 31, 2016 were $345.5 million.

Property per risk:  Property per risk reinsurance provides reinsurance for insurance companies’ excess retention on individual property and related risks, such as highly-valued buildings. Per risk reinsurance protects insurance companies on their primary insurance risks on a “single risk” basis. A “risk” in this context might mean the insurance coverage on one building or a group of buildings or the insurance coverage under a single policy which the reinsured treats as a single risk. Coverage is usually triggered by a large loss sustained by an individual risk rather than by smaller losses which fall below the specified retention of the reinsurance contract. Such property per risk coverages are generally written on an excess of loss basis, which provides the reinsured with protection beyond a specified amount up to the limit set within the reinsurance contract. Gross premiums written on property per risk business during the year ended December 31, 2016 were $26.8 million.

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Property pro rata:    Property pro rata contracts require that the reinsurer share the premiums as well as the losses and loss expenses in an agreed proportion with the reinsured. Gross premiums written on property pro rata business during the year ended December 31, 2016 were $100.6 million.

Marine:    Validus Re underwrites reinsurance on marine risks covering damage to or losses of marine vessels and cargo, third-party liability for marine accidents and physical loss and liability from principally offshore energy properties. Validus Re underwrites marine risks on an excess of loss basis and on a pro rata basis. Gross premiums written on marine business during the year ended December 31, 2016 were $105.7 million.

Specialty:    Validus Re underwrites other lines of business depending on an evaluation of pricing and market conditions, which include aerospace and aviation, accident and health, agriculture, casualty, composite, contingency, crisis management, financial, life, technical, terrorism, trade credit and workers’ compensation lines. The Company seeks to underwrite specialty lines with very limited exposure correlation with its property and marine portfolios. With the exception of the aerospace and aviation, agriculture, financial and trade credit lines of business, which have a meaningful portion of their gross premiums written volume on a proportional basis, the Company’s specialty lines are written on an excess of loss basis. Gross premiums written on specialty business during the year ended December 31, 2016 were $532.4 million.

Talbot 

Talbot writes primarily short-tail lines of business and focuses mostly on insurance, as opposed to reinsurance risks which are generally written by Validus Re, however, Talbot does have a short-tail treaty reinsurance portfolio. In addition, Talbot provides the Company with access to the Lloyd’s marketplace where Validus Re does not operate. As a London-based insurer, Talbot also writes the majority of its premiums on risks outside the United States. Talbot’s team of underwriters have, in many cases, spent most of their careers writing niche, short-tail business and bring their expertise to bear on expanding the Company’s short-tail insurance franchise.

The Company has expanded and diversified its business through Syndicate 1183’s access to Lloyd’s license agreements with regulators around the world. Talbot Underwriting Risk Services, Ltd. (London), Validus Specialty Underwriting Services, Inc. (New York), Talbot Underwriting (MENA) Ltd. (Dubai), Validus Reaseguros, Inc. (Miami), Talbot Underwriting (LATAM) S.A. (Chile), Talbot Risk Services (Labuan) Pte. Ltd. (Malaysia), and Talbot Risk Services Pte. Ltd. (Singapore and Australia) act as approved Lloyd’s coverholders for Syndicate 1183.

The following are the primary lines in which Talbot conducts its business. Details of gross premiums written by line of business are provided below:

	Years Ended December 31,
	2016				2015				2014
(Dollars in thousands)	Gross Premiums Written		% of Total		Gross Premiums Written		% of Total		Gross Premiums Written		% of Total
Property	$	317,085	32.7	%	$	327,122	32.2	%	$	337,210	30.6	%
Marine	261,940		27.0	%	327,539		32.1	%	392,701		35.6	%
Specialty	391,677		40.3	%	364,174		35.7	%	371,859		33.8	%
Total	$	970,702	100.0	%	$	1,018,835	100.0	%	$	1,101,770	100.0	%

Property:    The main sub-classes within the property class are International and North American direct and facultative contracts, lineslips and binding authorities, together with a book of business written on a treaty reinsurance basis. The business written is mostly commercial and industrial insurance. Coverage provided includes all risks of direct physical loss or damage, business interruption and natural catastrophe perils. Property also includes downstream energy and construction business. Within the downstream energy sector, covered occupancies include oil, gas, petrochemicals, chemical, power generation and utilities and process industries. Coverage is typically all risks and includes machinery breakdown and business interruption where required. The primary focus within the construction line is on major capital projects, placed on a direct or facultative subscription basis. The property business is mainly short-tail with premiums for reinsurance and direct and facultative business substantially earned within 12 months and premiums for lineslips and binding authorities mainly earned within 12 months of the expiry of the contract, however there are a minority of risks, particularly construction, with long-term policies. Gross premiums written on property business during the year ended December 31, 2016 were $317.1 million, including $40.4 million of treaty reinsurance.

Marine:    The main types of business within the marine class are hull, cargo, upstream energy, marine and energy liabilities and a book of business written on a treaty reinsurance basis. Hull consists primarily of ocean going vessels and covers worldwide risks on an all risks or total loss only basis together with yachts. Cargo consists of worldwide transits with a particular emphasis on oil cargo, project cargo, pre-launch satellite and space risks, specie, fine art and high value motor vehicles. Upstream energy

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covers a variety of oil and gas industry exploration and production risks. The marine and energy liability account provides cover for protection and indemnity clubs and a wide range of companies operating in the marine and energy sectors. Most business written is short-tail, enabling a quicker and more accurate picture of expected profitability than is the case for long-tail business, however the marine and energy liability account, which makes up $53.5 million of gross premiums written during the year ended December 31, 2016, is the primary long-tail business in this class. Gross premiums written on marine business during the year ended December 31, 2016 were $261.9 million.

Specialty:    This class consists of political lines (comprising marine & aviation war, political risks and political violence, including war on land), aviation direct, aviation treaty, financial lines, accident and health, and contingency. With the exception of aviation treaty, most of the business within the specialty class is written on a direct or facultative basis or under a binding authority through a coverholder. Gross premiums written on specialty business during the year ended December 31, 2016 were $391.7 million.

Political Lines:    The marine and aviation political lines account covers physical damage to aircraft and marine vessels caused by acts of war and terrorism. The political risk account deals primarily with expropriation, contract frustration/trade credit, kidnap and ransom, and malicious and accidental product tamper. The political violence account mainly insures physical loss to property or goods anywhere in the world, caused by war, terrorism or civil unrest. This class is often written in conjunction with cargo, specie, property, upstream energy, contingency and political risk. The period of the risks can extend up to 36 months and beyond. Gross premiums written on political lines business during the year ended December 31, 2016 were $191.6 million.

Aviation:    The aviation account insures major airlines, airport operations, aviation products and airports, general aviation, satellites and a book of business written on a treaty reinsurance basis. The coverage includes excess of loss treaties with medium to high attachment points. Gross premiums written on aviation business during the year ended December 31, 2016 were $84.8 million.

Financial Lines:    Talbot’s financial lines team underwrites bankers blanket bond, commercial crime, computer crime, cyber- crime, professional indemnity and directors’ and officers’ coverage for various types of financial institutions and similar companies. The team also provides professional indemnity, directors’ and officers’ and cyber liability coverage to a more general selection of commercial clients. Bankers blanket bond and commercial crime insurance products are specifically designed to protect against direct financial loss caused by fraud/criminal actions and to mitigate the damage such activities may have on the asset base of the insured. Computer crime insurance protects against the misappropriation of funds and assets via the insured’s computer system. Professional indemnity insurance protects businesses in the event that legal action is taken against them by third parties claiming a breach of professional duty. Directors’ and officers’ insurance protects the personal liability of directors and officers or policyholder costs for indemnification arising out of an alleged breach of a fiduciary duty. The financial lines account is on a claims made basis; however, it is deemed to be longer tail business due to claims development patterns. Gross premiums written on financial lines business for the year ended December 31, 2016 were $50.5 million.

Accident and Health:    The accident and health account provides insurance in respect of individuals in both their personal and business activity together with corporations where they have an insurable interest relating to death or disability of employees or those under contract. Gross premiums written on accident and health business during the year ended December 31, 2016 were $29.3 million.

Contingency:    The main types of covers written under the contingency account are event cancellation, non-appearance and prize indemnity business. Gross premiums written on contingency business during the year ended December 31, 2016 were $35.4 million.

Western World

On October 2, 2014, the Company acquired all of the outstanding shares of Western World, a U.S. based specialty excess and surplus lines insurance company. The acquisition provided the Company with enhanced access to the specialty U.S. commercial insurance market, the world’s largest short-tail market, complementing the Company’s existing market positions in both Bermuda reinsurance and the Lloyd’s marketplace and increasing the Company’s ability to leverage operational strengths in short-tail classes of business. In addition, the acquisition improves the Company’s ability to manage (re)insurance cycles.

Western World primarily insures small to medium size commercial and institutional risks covering general liability, professional liability, product liability, miscellaneous malpractice and property classes through three wholly owned insurance subsidiaries: Western World Insurance Company (“WWIC”), Tudor Insurance Company (“Tudor”) and Stratford Insurance Company (“Stratford”). WWIC, Tudor and Stratford are domiciled in New Hampshire. WWIC operates as a surplus lines insurer in all U.S. jurisdictions other than New Hampshire. Tudor is licensed as a domestic surplus lines insurer in New Hampshire and is authorized to conduct business as a surplus lines insurer in all other U.S. jurisdictions. Stratford is an admitted insurer in 50 U.S. jurisdictions.

The following are the primary lines in which Western World conducts its business. Details of gross premiums written by line of business are provided below:

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	Years Ended December 31,
	2016				2015				2014 (a)
(Dollars in thousands)	Gross Premiums Written		Gross Premiums Written (%)		Gross Premiums Written		Gross Premiums Written (%)		Gross Premiums Written		Gross Premiums Written (%)
Property	$	94,440	29.2	%	$	53,018	19.0	%	$	9,983	15.3	%
Liability	228,780		70.8	%	225,486		81.0	%	55,252		84.7	%
Total	$	323,220	100.0	%	$	278,504	100.0	%	$	65,235	100.0	%

(a) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

Property:    This class consists of building, business personal property, and business income (with or without extra expense) coverages, including catastrophe, for small to medium size commercial habitational, industrial, service, and mercantile risks. Gross premiums written on property lines during the year ended December 31, 2016 were $94.4 million.

Liability:    This class consists of general liability, professional liability, product liability, and miscellaneous malpractice occurrence-based coverage for contractors, dwellings, special events, manufacturers, social workers, drug clinics and exercise and health facilities. Coverage is also provided on a claims-made basis for lines such as directors’ and officers’ and errors and omissions liability for small to medium size enterprises and financial institutions. Gross premiums written on liability lines during the year ended December 31, 2016 were $228.8 million.

AlphaCat

AlphaCat Managers Ltd. (“AlphaCat Managers”) is an asset manager that leverages the Company’s underwriting and analytical expertise primarily for third party investors. Validus Re also has a direct investment in certain AlphaCat funds and sidecars. As an asset manager, AlphaCat Managers’ primary sources of income are management and performance fees.

The AlphaCat segment is a core element of the Company’s strategy to expand in capital markets activities by participating in the market for ILS. ILS are financial instruments, the fundamental value of which is determined by insurance losses caused primarily by natural catastrophes such as major earthquakes and hurricanes. As such, the returns on ILS are generally uncorrelated with the overall financial markets, making ILS an attractive asset class for capital markets investors. AlphaCat leverages the Company’s extensive business sourcing, underwriting, research and analytic capabilities to construct ILS portfolios subject to prudent risk constraints.

AlphaCat investors access this uncorrelated asset class through various AlphaCat funds and sidecars that participate in the market via AlphaCat Reinsurance Ltd. (“AlphaCat Re”), a Bermuda provider of fully collateralized property catastrophe and specialty reinsurance and retrocession capacity and AlphaCat Master Fund Ltd. (“AlphaCat Master Fund”), a Bermuda investment fund investing in reinsurance related capital markets transactions (collectively the “master funds”). AlphaCat Re also enters into transactions on behalf of third party investors on a direct basis whereby all of the risks and rewards of the underlying transactions are transferred to the investors using notes payable to AlphaCat investors. Furthermore, certain of the funds and direct third party investors purchase catastrophe bonds (“Cat bonds”) directly under instruction from AlphaCat Managers.

BetaCat investors access the market through the BetaCat funds that participate in the market via BetaCat Fund Ltd., a Bermuda investment fund exclusively invested in Cat bonds. Cat bonds purchased by BetaCat are principal-at-risk variable rate notes and other event-linked securities focused on property and casualty risks and issued under Rule 144A of the Securities Act of 1933, as amended, following a passive buy-and-hold investment strategy.

The Company is considered to be the primary beneficiary of the AlphaCat master funds, the AlphaCat sidecars, the AlphaCat ILS funds and the BetaCat ILS funds and therefore the Company is required to consolidate these entities. For further details, refer to Notes 2 and 9 to the Consolidated Financial Statements, “Basis of preparation and consolidation,” and “Variable interest entities,” respectively, in Part II, Item 8.

As at December 31, 2016, the AlphaCat segment included the AlphaCat master funds, the AlphaCat sidecars, the AlphaCat ILS funds and a BetaCat ILS fund.

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The following are the primary financial indicators for the AlphaCat segment:

Assets under management (“AUM”): AUM represents total assets managed by AlphaCat Managers on behalf of third party and related party investors. AUM includes the assets of the AlphaCat sidecars, the AlphaCat ILS funds, the BetaCat ILS funds and direct third-party investors. AUM as at January 1, 2017 was $2.7 billion.

	Assets Under Management
	January 1,
(Dollars in thousands)	2017		2016
Third party	$	2,498,597	$	2,059,519
Related party	242,715		326,643
Total	$	2,741,312	$	2,386,162

Revenues: Revenues represent management and performance fees earned on third party and related party AUM. Third party fee income for the year ended December 31, 2016 was $18.8 million. Related party fee income for the year ended December 31, 2016 was $3.3 million.

	Revenues
	Years Ended December 31,
(Dollars in thousands)	2016		2015		2014
Third party	$	18,771	$	19,661	18,667
Related party	3,329		5,309		7,467
Total	$	22,100	$	24,970	$	26,134

Investment income from AlphaCat funds and sidecars: Investment income from AlphaCat funds and sidecars represents the Company’s proportional share of income earned by the various AlphaCat funds and sidecars. Investment income from AlphaCat funds and sidecars for the year ended December 31, 2016 was $20.6 million.

	Investment income from AlphaCat funds and sidecars (a)
	Years Ended December 31,
(Dollars in thousands)	2016		2015	2014
Investment income from AlphaCat funds and sidecars	$	20,579	19,176	$	21,485

(a) The investment income from the AlphaCat funds and sidecars is based on equity accounting.

Gross premiums written: Gross premiums written represent premiums written by AlphaCat Re on behalf of the AlphaCat funds and sidecars and direct third-party investors. Gross premiums written for the year ended December 31, 2016 were $270.4 million.

	Gross Premiums Written
	Years Ended December 31,
(Dollars in thousands)	2016		2015		2014
Gross premiums written	$	270,402	$	176,126	$	126,785

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Enterprise Risk Management

Risk Management Framework: The Company believes in having a culture that embraces sound risk management practices at all levels of the organization. We have therefore implemented an Enterprise Risk Management (“ERM”) framework (the “Framework”) that is aligned with the Company’s culture and responds to the needs of the business. The Framework has been established to identify, assess, quantify and manage risks and opportunities. In particular it is designed to:

• Establish the principles by which the Company can evaluate the risk/reward trade-offs associated with key strategic and tactical decisions.

• Establish a risk governance structure that, in respect of all activities related to ERM, operates with clearly defined roles and responsibilities.

• Establish minimum requirements that must be met by each of the Company’s segments.

• Identify and assess all risks and causes of risks arising out of the Company’s strategic initiatives, internal processes and external environment.

• Establish a set of responses to manage the Company’s risks within its stated risk appetite and risk tolerances.

• Establish procedures through which near-miss and actual incidents, that either have the potential to impact or have impacted the Company, are reported and reviewed in order to inform the risk identification and assessment process.

Risk Governance: Our risk governance philosophy reflects the overall governance of the Company, with the segments given broad autonomy over the management of their business, while adhering to the overall strategy of the Company. Similarly, the segments have broad operational latitude over their risk management functions while staying within the parameters set by the Company.

The Company’s Board of Directors has established a separate Risk Committee (“RC”) that is governed by a charter which is updated and reviewed periodically by the Board of Directors. The RC is responsible for, among other things, approving the Framework, working with management to ensure ongoing, effective implementation of the Framework and reviewing the Company’s specific risk limits as defined in the Framework, including limits related to major categories of risk. The implementation of risk policies and oversight of risk management is the responsibility of the Group Risk Management Committee (“GRMC”). The GRMC reports to the RC and is governed by a charter that is reviewed and approved annually by the RC. The GRMC also has two subcommittees, the Model Risk Subcommittee and the Operational Risk Subcommittee, both of which are governed by charters that are reviewed annually by the RC. Various risk policies are in place to facilitate consistent risk assessment across the Company and to ensure that strategic business decisions are supported by effective modeling and analysis.

Risk Appetite: The Company’s risk appetite is expressed through a series of qualitative and quantitative statements, principles, limits, and tolerances that, in the aggregate, convey the Company’s risk and reward preferences and set the risk parameters within which the Company and its segments operate. The risk appetite is proposed by management and approved by the Board of Directors.

The significant quantitative measures include meeting minimum returns on capital and risk-adjusted capital over a full insurance industry cycle, managing the probability of break-even or better, meeting or exceeding budgeted net income over a calendar year, and managing the probability of losing specified percentages of shareholders’ equity in a calendar year. They also include probability thresholds in respect of maintaining a buffer above regulatory and rating agency capital levels.

The Company also sets levels of concentration risks within its risk appetite, including those related to probable maximum losses, zonal aggregates and the contribution of various risk categories to the overall assessment of the Company’s risk capital.

Risk Classification: Risks are broadly divided into those that the Company assumes explicitly and from which it derives income and those that are a by-product of the operating and business environment, from which the Company does not earn income.

The risks assumed are categorized as catastrophe, reserve and premium risks (also together referred to as insurance risk), market (or investment) risk and credit risk. The Company’s goal is to get adequately compensated for these risks, while creating optimal insurance and investment portfolios subject to the constraints of the Company’s risk appetite. The remaining risks are categorized as operational and strategic risks, which typically include emerging risks, for which the Company’s goal is to identify, assess and mitigate to the extent considered appropriate.

Risk Ownership: The Company’s risk management philosophy is to entrust risk identification and control activities with the employees who have the responsibility for and expertise in the areas giving rise to each risk. This not only creates workflow efficiencies but also promotes awareness of and accountability for risk at all levels of the Company. As such, primary risk ownership is assigned to the managers of functional areas. The risk identification and control activities are embedded in the job descriptions of risk owners and control operators and monitored by the GRMC.

Risk Assessment, Control and Mitigation: The Company performs a regular risk assessment process that considers the likelihood and impact of causes of risk, both before and after the existence of relevant controls. The approaches used to identify

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and update causes of risk include scenario building, incident and near-miss reporting and market intelligence. Controls have been established to appropriately manage the likelihood and impact of risks, focused on those with the most significance and after considering the tolerance level established for each risk. New controls may also be designed as a result of the incident reporting process.

The Company also has in place policies, including underwriting, investment, and credit policies, to manage the assumption of risk. These policies provide for the Company’s risk limits, tolerance levels and other guidelines, as well as the processes for ensuring compliance with the desired risk profile of the Company. The Company has at its disposal a variety of risk mitigation tools, including the purchase of reinsurance and retrocessional coverage, which it uses to ensure that its risk profile stays within prescribed limits and tolerance levels.

Exposure Management: In order to manage the assumption of insurance risk, the Company has established risk limits through both qualitative and quantitative considerations, including market share, history of and expertise in a class of business or jurisdiction, transparency and symmetry of available information, reliability of pricing models and availability and cost of reinsurance. These limits are reviewed at least annually and aligned to the overall risk appetite established by the Company’s Board of Directors. In addition, a group exposure management policy is in place to ensure appropriate and consistent risk assessment and aggregation of exposures that accumulate between the operating companies in the group.

Three tools are used to measure and manage exposures:

• Absolute maximum limits - these are defined based on the underlying peril or coverage and include measures such as zonal aggregates, which convey the maximum contractual loss exposure.

• Probable maximum loss - these are defined where probabilistic event sets exist for underlying perils and are established for most natural catastrophe, aviation and upstream energy coverage, and convey an extreme but likely loss exposure.

• Realistic disaster scenarios (“RDSs”) - these are either prescribed by third parties or developed internally and convey a more intuitive view of potential loss outcomes.

The Company will often use multiple tools to validate its exposure measurement and ensures that at least one of these tools is available for each class of business.

Model Validation Framework: The Company relies extensively on a wide range of models to support key decisions made across the business. We have therefore implemented a Model Validation Framework to establish a uniform set of validation and governance standards that ensure the quality and reliability of key models across the Company.

Portfolio Optimization: The Company has developed a comprehensive and integrated Economic Capital Model (“ECM”) framework to facilitate the consistent assessment of risk, including risks classified as operational. This framework includes assessment at the individual operating company level, as well as across the Company. Using the ECM framework, the Company is able to assess the impact on risk appetite metrics of key strategic and tactical decisions as well as the risk return trade-offs associated with these decisions, including growth strategy, new product launch, business mix and retrocession strategy, mergers and acquisitions, planning and budgeting, investment strategy and capital management.

It is the goal of the Company to make the most efficient use of its capital and to achieve an adequate return for its shareholders. To that end, the Company seeks to maximize net income given the amount of capital at risk and subject to the risk limits, tolerance levels and other constraints that are imposed by our business, regulatory, and rating agency environments. The Company has therefore put in place portfolio optimization procedures, including the integrated use of the ECM within the annual planning process, in order to help shape portfolios that optimize their respective risk return profiles.

Underwriting Risk Management

The Company’s underwriters manage risk by monitoring a number of qualitative and quantitative indicators. Our in-house pricing platform, VCAPS, provides reinsurance underwriters with a real-time view of the risk-adjusted profitability of each account. This allows them to examine the effects of contract terms and conditions as well as analyze the contribution of a contract to our overall risk capital and its impact on the projected incurred loss for one of our key stress scenarios. The Company’s insurance operations also use sophisticated pricing platforms. Talbot maintains a suite of pricing models for the direct and facultative underwriting teams that includes VCAPS and other proprietary models, as well as models licensed from third parties. Western World is also able to leverage VCAPS for real-time, location level catastrophe pricing, and also utilizes proprietary and vendor developed rating tools through the Western World Integrated Platform (“WWIP”). The Company believes that giving our underwriters the tools to make sound decisions is critical to our long-term success. To that end, we strive to create an environment that promotes close cooperation between our underwriting, catastrophe modeling, risk, claims, and actuarial functions.

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All of the Company’s underwriters adhere to a strict set of underwriting guidelines and letters of authority that specifically address the limits of their underwriting authority and their referral criteria. The Company’s current underwriting guidelines and letters of authority include:

• Lines of business that a particular underwriter is authorized to write;

• Exposure limits by line of business;

• Contractual exposures and limits requiring mandatory referrals; and

• Levels of analysis to be performed by lines of business.

In general, our underwriting approach is to:

• Seek high quality clients who have demonstrated superior performance over an extended period;

• Evaluate our clients’ exposures and make adjustments where their exposure is not adequately reflected;

• Apply the comprehensive knowledge and experience of our entire underwriting team to make progressive and cohesive decisions about the business they underwrite; and

• Employ our well-founded and carefully maintained market contacts within the Company to enhance our robust distribution capabilities.

Our underwriters have the responsibility to analyze all submissions and determine if the related potential exposures meet with both the Company’s risk profile line size and aggregate limitations, in line with the business plan. In order to ensure compliance, we run appropriate management information reports and all lines are subject to regular audits.

All of the companies managed by AlphaCat are subject to investment or underwriting guidelines. These guidelines are established in the offering documentation of each AlphaCat company. AlphaCat manages investment portfolios in accordance with guidelines, which are subject to oversight by the respective company’s board of directors.  AlphaCat leverages the Company’s underwriting and analytical resources. However, all investment and underwriting decisions are ultimately made by AlphaCat. When services are provided to AlphaCat by the Company’s underwriting teams, the relevant underwriting risk management framework outlined in this section applies.

Use of Models

A pivotal factor in determining whether to found and fund the Company was the opportunity for differentiation based upon superior risk management expertise; specifically, managing catastrophe risk and optimizing our portfolio to generate attractive returns on capital while controlling our exposure to risk, and assembling a management team with the experience and expertise to do so. The Company’s proprietary models are updated to reflect the latest science and data for the given peril-region of interest. This has enabled the Company to gain a competitive advantage over those reinsurers who rely exclusively on commercial models for pricing and portfolio management. The Company has made a significant investment in expertise in the risk modeling area to capitalize on this opportunity. The Company has assembled an experienced group of professional experts with a wide range of advanced degrees in the physical sciences/mathematics who are operating in an environment designed to enable them to use their expertise as a competitive advantage. While the Company uses both proprietary and commercial probabilistic models, catastrophe risk is ultimately subject to absolute aggregate limitations as discussed above.

Commercial Vendor Models: The Company licenses two major commercial vendor models (RMS and AIR) to assess the adequacy of risk pricing and to monitor its overall exposure to risk in correlated geographic zones for various natural catastrophe perils. The vendor models provide information that enables the Company to aggregate exposures by correlated event loss scenarios, which are probability-weighted. This enables the generation of exceedance probability curves for the portfolio and major geographic areas. All models have their strengths and weaknesses; our internal research efforts target a greater understanding of, and if necessary, changes to frequency and severity for key peril-regions.

The Company also uses its quantitative expertise to improve the reliability of the vendor model outputs and expedite scientific review and operationalization of their findings to formulate its view of risk in the following areas:

• Ceding companies may often report insufficient data and many reinsurers may not be sufficiently critical in their analysis of this data. The Company generally scrutinizes data for anomalies that may indicate insufficient data quality. These circumstances are addressed by either declining the program or, if the variances are manageable, by modifying the model inputs and outputs, and ultimately, pricing to reflect insufficient data quality;

• Performing independent checks on the accuracy of reported building characteristics through third-party tools and the use of licensed data sources;

• Prior to making overall adjustments for changes in variable metrics, the Company carefully examines the adjustment against the latest scientific studies and technology available to ensure its impact to the business is thoroughly evaluated before adopting it into its systems; and

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• To properly quantify risk, the Company frequently adjusts vendor models in advance of their updates based on the latest scientific studies and claims data from recent events.

In addition, many risks, such as second-event covers, aggregate excess of loss, or attritional loss components, cannot be fully evaluated using the vendor models. In order to better evaluate and price these risks, the Company has developed proprietary analytical tools, such as VCAPS and other models and data sets.

Proprietary Models: In addition to making frequency and severity adjustments to the vendor model outputs, the Company has implemented a proprietary pricing and risk management tool, VCAPS, to assist in pricing submissions and monitoring risk aggregation.

VCAPS uses the output of catastrophe models to generate a 100,000-year simulation set, which is used for both pricing and risk management. This approach allows more precise measurement and pricing of risk given the underlying exposures. The two primary benefits of this approach are:

• VCAPS takes into account annual limits, event/franchise/annual aggregate deductibles, and reinstatement premiums. This allows for more accurate evaluation of treaties with a broad range of features, including both common (reinstatement premium and annual limits) and complex features (second or third event coverage, aggregate excess of loss, attritional loss components, covers with varying attachment across different geographical zones or lines of businesses and covers with complicated structures); and

• VCAPS use of 100,000-year simulations enables robust pricing of catastrophe-exposed business. This is possible in real-time operation because the Company has designed a computing hardware platform and software environment to accommodate the significant computing needs.

In addition to VCAPS, the Company uses other proprietary models and other data in evaluating exposures.

Geographic Diversification

The Company actively manages its aggregate exposures by geographic or risk zone to maintain a balanced and diverse portfolio of underlying risks. The coverage the Company is willing to provide for any risk located in a particular zone is limited to a predetermined level, thus limiting the net aggregate loss exposure from all contracts covering risks believed to be located in any zone. Contracts that have “worldwide” territorial limits have exposures in several geographic zones. Generally, if a proposed contract would cause the limit to be exceeded, the contract would be declined, regardless of its desirability, unless the Company buys reinsurance or retrocessional coverage, thereby reducing the net aggregate exposure to the maximum limit permitted or less.

For further details on gross premiums written allocated by the territory of coverage exposure refer to Note 26 to the Consolidated Financial Statements, “Segment Information,” in Part II, Item 8.

The effectiveness of geographic zone limits in managing risk exposure depends on the degree to which an actual event is confined to the zone in question and on the Company’s ability to determine the actual location of the risks believed to be covered under a particular insurance or reinsurance contract. Accordingly, there can be no assurance that risk exposure in any particular zone will not exceed that zone’s limits. Further control over diversification is achieved through guidelines covering the types and amount of business written in product classes and lines within a class.

Reinsurance Management

The Company enters into reinsurance agreements in order to mitigate its accumulation of loss, reduce its liability on individual risks and enable it to underwrite policies with higher limits. The ceding of the insurance risk does not legally discharge the Company from its primary liability for the full amount of the policies, and the Company is therefore required to pay the loss and bear collection risk if the reinsurer fails to meet its obligations under the reinsurance agreement.

Validus Re Retrocession:  Validus Re monitors the opportunity to purchase retrocessional coverage on a continual basis and employs the VCAPS modeling system to evaluate the effectiveness of risk mitigation and exposure management relative to the cost. This coverage may be purchased on an indemnity basis as well as on an index basis (e.g., industry loss warranties (“ILWs”)). Validus Re also considers and at times uses alternative retrocessional structures, including collateralized quota share facilities (“sidecars”) and other capital markets products (e.g., catastrophe bonds), where the pricing and terms are attractive.

When Validus Re buys retrocessional coverage on an indemnity basis, payment is for an agreed upon portion of the losses actually suffered. In contrast, when Validus Re buys an ILW cover, which is a reinsurance contract in which the payout is dependent on both the insured loss of the policy purchaser and a measure of the industry-wide loss, payment is made only if both Validus Re and the industry suffer a loss, as reported by one of a number of independent agencies, in excess of specified threshold amounts.

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With an ILW, Validus Re bears the risk of suffering a loss while receiving no payment under the ILW if the industry loss was less than the specified threshold amount.

Talbot Ceded Reinsurance: The reinsurance program is reviewed by the reinsurance purchasing team on an on-going basis in line with the main business planning process. This process incorporates advice and analytical work from our brokers, actuarial and capital modeling teams.

The review and any subsequent modification to the program is based upon the following:

• budgeted underwriting activity for the coming year;

• loss experience from prior years;

• loss information from the coming year’s individual capital assessment calculations;

• expected changes to risk limits and aggregation limits and any other changes to Talbot’s risk tolerance;

• scenario planning;

• changes to capital requirements; and

• RDSs prescribed by Lloyd’s.

The main type of reinsurance purchased is losses occurring; however, for a few lines of business, where the timing of the loss event is less easily verified or where such cover is available, risk attaching policies are purchased.

The type, quantity and cost of cover of the proposed reinsurance program is reviewed by the Chief Executive Officer (“CEO”) of the Talbot group, and ultimately authorized by the Talbot Underwriting Ltd. (“TUL”) Board.

All reinsurance contracts arranged are authorized for purchase by the Talbot CEO. Slips are developed prior to inception to ensure that optimum cover is achieved. After purchase, cover notes are reviewed by the relevant class underwriters and presentations are made to all underwriting staff to ensure they are aware of the boundaries of the cover.

Western World Ceded Reinsurance: The reinsurance program is managed by senior management. Western World uses brokers to provide guidance on modeling, prices and preparing contract terms and conditions. The main type of reinsurance purchased is excess of loss on a risk attaching basis. Western World utilizes reinsurance to reduce earnings volatility, protect capital and to limit its exposure to risk concentration.

AlphaCat: AlphaCat has ceded only a minimal level of business to third parties and will typically write contracts on a net retention basis only.

Distribution

Although we conduct some business on a direct basis with our treaty and facultative reinsurance clients, most of our business is derived through insurance and reinsurance intermediaries (“brokers”), who access business from clients and coverholders. We are able to attract business through our recognized lead capability in most classes we underwrite, particularly in classes where such lead ability is rare.

Currently, our largest broker relationships, as measured by gross premiums written, are with Marsh & McLennan Companies, Inc., Aon Benfield Group Ltd. and Willis Towers Watson plc. The following table sets forth the Company’s gross premiums written by broker:

	Gross Premiums Written
	Year Ended December 31, 2016
(Dollars in thousands)	Validus Re		Talbot		Western World		AlphaCat		Eliminations			Total		% of Total
Name of Broker
Marsh & McLennan Companies, Inc.	$	478,199	$	183,669	$	255	$	100,098	$	21		$	762,242	28.8	%
Aon Benfield Group Ltd.	243,947		126,600		271		79,163		(19,855		)	430,126		16.2	%
Willis Towers Watson plc	189,313		118,092		305		66,954		(1,883		)	372,781		14.1	%
Sub-total	911,459		428,361		831		246,215		(21,717		)	1,565,149		59.1	%
All Others/Direct	199,595		542,341		322,389		24,187		(4,956		)	1,083,556		40.9	%
Total	$	1,111,054	$	970,702	$	323,220	$	270,402	$	(26,673	)	$	2,648,705	100.0	%

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Reserve for Losses and Loss Expenses

For insurance and reinsurance companies, a significant judgment made by management is the estimation of the reserve for losses and loss expenses. The Company establishes its reserve for losses and loss expenses to cover the estimated incurred liability for both reported and unreported claims.

Loss reserves are established due to the significant periods of time that may lapse between the occurrence, reporting and payment of a loss. To recognize liabilities for unpaid losses and loss expenses, the Company estimates future amounts needed to pay claims and related expenses with respect to insured events. The Company’s reserving practices and the establishment of any particular reserve reflects management’s judgment concerning sound financial practice and does not represent any admission of liability with respect to any claim. Unpaid losses and loss expense reserves are established for reported claims (“case reserves”) and incurred but not reported (“IBNR”) claims. For information regarding the Company’s unpaid losses and loss expense reserves on both a gross and net basis see Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Loss Reserves.”

The nature of the Company’s high excess of loss and catastrophe business can result in loss expenses and payments that are both irregular and significant. Such losses are part of the normal course of business for the Company. Adjustments to reserves for individual years can also be irregular and significant. Conditions and trends that have affected development of liabilities in the past may not necessarily occur in the future. Accordingly, it is inappropriate to extrapolate future redundancies or deficiencies based upon historical experience. See Part I, Item 1A, “Risk Factors,” and Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Cautionary Note Regarding Forward-Looking Statements.”

During the fourth quarter of 2016, the Company adopted Accounting Standards Update 2015-09, “Financial Services - Insurance (Topic 944) - Disclosures about Short-Duration Contracts” issued by the United States Financial Accounting Standards Board (“FASB”), which enhance the annual disclosures relating to the Company’s reserves for losses and loss expenses. For further information regarding the Company’s reserves for losses and loss expenses refer to Note 14to the Consolidated Financial Statements, “Reserve for losses and loss expenses,” in Part II, Item 8, Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations-Critical Accounting Policies and Estimates,” and Part I, Item 1A, “Risk Factors.”

Investment Management

The overriding goal of our investment management is capital preservation, such that the assets of the Company are invested to provide for the timely payment of all contractual obligations of policyholders and creditors, ensuring our ability to underwrite future business and to satisfy all regulatory and rating agency requirements. We aim to achieve these objectives through a clearly defined process that is driven by the enterprise-wide risk and capital position of the Company to ensure assets are invested in accordance with our defined financial objectives and risk tolerances. Our approach considers the joint impact of underwriting and investment risks to the Company, in the context of clear prioritization of underwriting needs and opportunities. As such, we structure our investment portfolio to support policyholder reserves and contingent risk exposures with a liquid portfolio of high quality fixed-income investments with a comparable duration profile.

The Board of Directors, advised by our Finance Committee, Chief Financial Officer and Chief Investment Officer, oversees our investment strategy and has established the Company’s Investment Policy Statement (“IPS”). The IPS provides a framework for the management and oversight of the Company’s managed investment portfolio (“managed investments”), which excludes investments held in support of consolidated AlphaCat VIEs (“non-managed investments”). The purpose of the IPS is to:

• Communicate and align the Company’s investment philosophy and goals;

• Provide transparency regarding investment policies, procedures and controls;

• Set expectations and priorities of our third party investment managers;

• Establish a framework for integrating investment management into our overall ERM process;

• Mandate our investment parameters, including permissible asset classes and portfolio constraints, and governance structure for portfolio oversight and management;

• Establish formalized criteria to measure, monitor, and evaluate investment performance and risk exposures on a regular basis; and

• Ensure assets are invested in accordance with the overall financial goals and risk tolerances of the Company.

The IPS is updated annually or as otherwise appropriate to reflect changes to the Company, the economy, the regulatory environment or other factors.

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Claims Management

Claims management includes the receipt of initial loss notifications, generation of appropriate responses to claim reports, identification and handling of coverage issues, determination of whether further investigation is required and, where appropriate, retention of legal representation, establishment of case reserves, approval of loss payments and notification to brokers and reinsurers.

Our claims departments are responsible for the investigation, evaluation and, if validated, efficient payment of claims. We maintain claims handling guidelines and reporting and control procedures across all of our claims departments. Our primary objective is to ensure that each claim is evaluated, processed and appropriately documented in a timely and efficient manner and to retain information relevant to the management of the claim.

For business written in the Lloyd’s market, claims handling and case reserves are established in accordance with the applicable “Lloyd’s Claims Scheme” and “Lloyd’s Claims Management Principles and Minimum Standards.”

Competition

The insurance and reinsurance industries are highly competitive. We compete with major U.S., Bermuda, European and other international insurers and reinsurers and certain underwriting syndicates and insurers. We encounter competition in all of our classes of business but there is less competition in those of our lines where we are a specialist underwriter. The Company competes with insurance and reinsurance providers such as:

• Allied World Assurance Company Holdings, Limited., Arch Capital Group, Limited., Argo Group International Holdings, Ltd., Aspen Insurance Holdings Limited, AXIS Capital Holdings Limited, Endurance Specialty Holdings Ltd., Everest Re Group Limited and RenaissanceRe Holdings Ltd.;

• MS Amlin plc, Beazley plc, Brit plc, Hiscox Ltd., Novae Group plc and others in the Lloyd’s market;

• Scottsdale Insurance Company, Burlington Insurance Company, Nautilus Insurance Company, Essex Insurance Company, Penn-America Group, Inc., Colony Specialty Insurance Company, RSUI Group, Inc., and others in the U.S. excess and surplus market;

• Asset managers and reinsurers who provide collateralized reinsurance and retrocessional coverage;

• Treaty and direct insurers, in not only the London but also the global market, that compete with Lloyd’s on a worldwide basis;

• Various capital markets participants who access insurance and reinsurance business in securitized form, including through special purpose entities or derivative transactions; and

• Government-sponsored insurers and reinsurers.

Competition varies depending on the type of business being insured or reinsured and whether the Company is in a leading or following position. Competition in the types of business that the Company underwrites is based on many factors, including:

• premiums charged and other terms and conditions offered;

• services provided;

• financial ratings assigned by independent rating agencies;

• speed of claims payment;

• reputation;

• perceived financial strength; and

• the experience of the underwriter in the line of insurance or reinsurance written.

Increased competition could result in fewer submissions, lower premium rates, lower share of allocated cover, and less favorable policy terms, which could adversely impact the Company’s growth and profitability. Capital market participants have created alternative products such as catastrophe bonds that are intended to compete with reinsurance products. The Company is unable to predict the extent to which these new, proposed or potential initiatives may affect the demand for products or the risks that may be available to be underwritten.

Regulation

The following is a discussion of the regulatory environment and certain key requirements in the jurisdictions of our significant operating subsidiaries.

Bermuda

General: The Insurance Act 1978 and its related regulations (the “Insurance Act”) regulates the Company’s operating insurance subsidiaries in Bermuda as well as the insurance group, the Validus Holdings Group, which the Bermuda Monetary Authority (the “BMA”) is the group supervisor of. The Company has five Bermuda licensed insurance subsidiaries: Validus Reinsurance, Ltd., a Class 4 insurer; Validus Reinsurance (Switzerland) Ltd (Bermuda Branch), a Class 4 insurer; IPCRe Limited (“IPCRe”), a Class

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3A insurer; AlphaCat Reinsurance Ltd., a Class 3 insurer; and Mont Fort Re Ltd., a Class 3 insurer. The Company also has two Bermuda-based insurance subsidiaries, AlphaCat Re 2011, Ltd. and AlphaCat Re 2012, Ltd., each licensed as a Special Purpose Insurer (“SPI”) under the Insurance Act and one licensed insurance manager, AlphaCat Managers Ltd. The summary below is limited to Class 3, 3A and 4 insurers and insurance groups.

Annual Requirements: Class 3, 3A and 4 insurers’ significant requirements include: the appointment of an approved independent auditor; the appointment of a principal representative in Bermuda; maintenance of a principal office in Bermuda; the appointment of a loss reserve specialist; the filing of annual Statutory Financial Returns; the filing of annual GAAP financial statements; the filing of an annual Capital and Solvency Return; compliance with minimum enhanced capital requirements; and compliance with the Insurance Code of Conduct. Class 3A and 4 insurers must also maintain their head office in Bermuda.

Statutory Financial Return: The statutory financial return for Class 3 insurers includes the statutory financial statements, and among other items, an auditor’s report, a cover sheet, a general business solvency certificate in relation to any general business undertaken, statutory declaration, statement of changes of control, own risk statement, underwriting analysis, schedule of segregated accounts where applicable, the opinion of the loss reserve specialist and a special purpose business solvency certificate in relation to any special purpose business undertaken.

The statutory financial return for Class 3A and 4 insurers includes the statutory financial statements, and among other items, an auditor’s report and an insurer information sheet. Class 3, 3A, and 4 insurers are also required to submit a declaration of compliance to the BMA together with the statutory financial statements. In addition, Class 3A and 4 insurers are required to file a capital and solvency return in respect of their general business which include, amongst other items, the regulatory risk based capital model, the opinion of the loss reserve specialist, commercial insurer solvency self-assessment, catastrophe risk return, reconciliation of net loss reserves or schedule of loss triangles and an eligible capital and operational risk assessment.

GAAPs: Class 3A and 4 insurers must prepare and submit, on an annual basis, audited financial statements, including notes, prepared under GAAP standards (“GAAP Financial Statements”). The GAAP Financial Statements must be audited annually by the insurer’s approved auditor who must prepare an auditor’s report in accordance with generally accepted auditing standards. The insurer is required to file with the BMA annually the audited GAAP Financial Statements within four months from the end of the relevant financial year (unless specifically extended) which are published by the BMA on its website.

Minimum Solvency Margins: The value of the general business assets of licensed insurers must exceed the amount of its general business liabilities by an amount greater than its prescribed minimum solvency margin (“MSM”). The MSM for a Class 4 insurer is the greater of (i) $100.0 million, or (ii) 50% of net premiums written (with a deduction for reinsurance premiums ceded not exceeding 25% of gross premiums written) or (iii) 15% of aggregate net loss and loss expense provisions and other insurance reserves, or (iv) 25% of the enhanced capital requirement. The MSM for a Class 3 & 3A insurer is the greater of (i) $1.0 million, or (ii) 20% of the first $6.0 million of net premiums written or where net premiums written exceed $6.0 million, $1.2 million plus 15% of net premiums written in excess of $6.0 million, or (iii) 15% of aggregate net loss and loss expense provisions and other insurance reserves, or (iv) in the case of Class 3A insurers only 25% of the insurer’s enhanced capital requirement.

Enhanced Capital Requirement: Class 3A and 4 insurers are required to maintain available statutory economic capital and surplus with respect to its general business at an amount that is equal to or exceeds the value of the enhanced capital requirement (“ECR”) which is calculated at the end of its relevant year by reference to the Bermuda Solvency Capital Requirement (“BSCR”) model or an approved internal capital model, provided that the ECR must always equal or exceed the MSM. The BMA expects Class 3A and 4 insurers to operate at or above a target capital level (“TCL”) which exceeds the insurer’s ECR. The TCL for a Class 3A and 4 insurer is set at 120% of its ECR.

Minimum Liquidity Ratio: The Insurance Act provides a minimum liquidity ratio for general business insurers. An insurer engaged in general business is required to maintain the value of its relevant assets at not less than 75% of the amount of its relevant liabilities.

Restrictions on Dividends and Distributions: A Class 3A and 4 insurer must not declare or pay any dividends of more than 25% of its total statutory capital and surplus as shown on its previous financial year statutory balance sheet, unless at least seven days before payment of the dividend it files with the BMA an affidavit confirming that it will continue to meet its relevant margins following such dividend payment. If it failed to meet any of its relevant margins on the last day of any financial year, a Class 3, 3A and 4 insurer shall not, without the approval of the BMA, declare or pay any dividends during the next financial year. In addition, Class 3, 3A and 4 insurers must obtain the BMA’s prior approval before reducing its total statutory capital, as shown in its previous year’s financial statements, by 15% or more. Furthermore, under the Companies Act, a Bermuda company may only declare or pay a dividend, or make a distribution out of contributed surplus as the case may be, if the company has no reasonable grounds for believing that it is, or would after the payment be, unable to pay its liabilities as they become due, or if the realizable value of its assets would be less than its liabilities.

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BMA Insurance Code of Conduct: All insurers are required to comply with the BMA’s Insurance Code of Conduct which establishes duties, requirements and standards to be complied with to ensure each insurer implements sound corporate governance, risk management and internal controls. Failure to comply with these requirements may be taken into account by the BMA in determining whether an insurer is conducting its business in a sound and prudent manner.

Group Supervision: The BMA may, in respect of an insurance group, determine whether it is appropriate for it to be the group supervisor of that group. For purposes of the Insurance Act, an insurance group is defined as a group of companies that conducts insurance business. Where the BMA determines that it is the group supervisor, it shall designate a specified insurer that is a member of the insurance group to be the “designated insurer” in respect of that insurance group and it shall give written notice to the designated insurer and other competent authorities that it is the group supervisor. The BMA is the group supervisor of the Validus Holdings Group and has designated Validus Reinsurance, Ltd. as the “designated insurer” of the group. The designated insurer is required to ensure that the Validus Holdings Group complies with the provisions of the Insurance Act pertaining to groups comprising primarily the Insurance (Prudential Standards) (Insurance Group Solvency Requirement) Rules 2011 and Insurance (Group Supervision) Rules 2011 (together, “Group Rules”).

Group Annual Requirements: Every insurance group is required to submit consolidated audited financial statements prepared under International Financial Reporting Standards or any GAAP recognized by the BMA, submit an annual group statutory financial return and a group capital and solvency return including the annual group actuarial opinion. The designated insurer is required to ensure that the group appoints an actuary approved by the BMA to provide an opinion on the insurance group’s insurance technical provisions in accordance with the Group Rules. In addition to the annual filings every insurance group is required to prepare and file quarterly financial returns for the first, second and third financial quarters. The quarterly financial return comprises unaudited consolidated group financial statements, a schedule of material intra-group exposures and risk concentrations.

Group Solvency Margin: An insurance group must ensure that the value of the insurance group’s total statutory economic capital and surplus calculated in accordance with the Group Rules exceeds the aggregate of: (i) the aggregate MSM of each qualifying member of the group controlled by the parent company; and (ii) the parent company’s percentage shareholding in the member multiplied by the member’s MSM, where the parent company exercises significant influence over a member of the group but does not control the member (the “Group MSM”). A member is a qualifying member of the insurance group if it is subject to solvency requirements in the jurisdiction in which it is registered.

Group Enhanced Capital Requirements: Insurance groups are required to maintain available statutory economic capital and surplus to an amount that is equal to or exceeds the value of its group enhanced capital requirement (“Group ECR”) which is calculated at the end of its relevant year by reference to the Group BSCR model or an approved internal capital model provided that the Group ECR shall at all times be an amount equal to or exceeding the Group MSM.

Eligible Capital: To enable the BMA to better assess the quality of an insurer’s capital resources, Class 3A and 4 insurers and insurance groups must maintain available statutory capital and surplus in accordance with a ‘3 tiered capital regime’. All capital instruments are classified as either basic or ancillary capital which in turn are classified into one of three tiers (Tiers 1, 2 and 3) based on their loss absorbency and other characteristics (“Tiered Capital Requirements”). Eligibility limits are then applied to each tier in determining the amounts eligible to cover regulatory capital requirement levels. The highest capital is classified as Tier 1 Capital; lesser quality capital is classified as either Tier 2 Capital or Tier 3 Capital. Under this regime, not more than certain specified percentages of Tier 1, Tier 2 and Tier 3 Capital may be used to satisfy the Class 3A and 4 insurers’ MSM and ECR requirements and Group’s MSM and Group’s ECR requirements.

Public Disclosures: Commercial insurers and insurance groups are required to prepare and publish, on an annual basis, a Financial Condition Report (“FCR”). The FCR provides details of measures governing the business operations, corporate governance framework, solvency and financial performance.

BMA’s Powers of Investigation, Intervention and Obtaining Information: The BMA may require a registered person or a designated insurer to provide such information the BMA may reasonably require with respect to matters that are likely to be material to the performance of its functions under the Insurance Act. In addition, it may require such person’s or designated insurer’s auditor, underwriter, accountant or any other person with relevant professional skill to prepare a report on any aspect pertaining thereto. The BMA has certain powers of investigation relating to insurers and insurance groups which it may exercise in the interest of such insurer’s policyholders or potential policyholders. The BMA has certain powers of intervention relating to registered persons including insurers, if amongst other things, there is any significant risk of insolvency or risk of not being able to meet its policyholders’ obligations, or a breach of the Insurance Act or the registered person’s license conditions or a registered insurer is in breach of its ECR.

The BMA has the power to assist foreign regulatory authorities which have requested assistance in connection with inquiries being carried out by it or on its behalf in certain circumstances.

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Shareholder Controller and other Notifications: Under the Insurance Act each shareholder controller or prospective shareholder controller will be responsible for notifying the BMA in writing if the shareholder controller becomes a controller, directly or indirectly, of 10%, 20%, 33% or 50% (“shareholder controller”) of the Company or any of its insurance subsidiaries . Such notification must be made within 45 days of the acquisition in respect of the Company or Validus Re, and either in advance or no later than 45 days after the acquisition, in respect of the Company’s other insurance subsidiaries depending upon the insurer to which the notification relates.

In addition, where a shareholder controller reduces its shareholding to or past such noted shareholding thresholds in any of the Company’s Class 3A or Class 4 insurance subsidiaries such shareholder controller must notify the BMA either in advance or no later than 45 days after the reduction or disposal depending upon the insurer to which the notification relates. The BMA may serve a notice of objection on any controller of the Company’s Bermuda insurance subsidiaries if it appears to the BMA that the person is not or is no longer a fit and proper person to be such a controller.

The Company’s Bermuda insurance subsidiaries are required to notify the BMA in writing in the event of any person becoming or ceasing to be a controller of the insurer. A controller includes a managing director or a chief executive of the insurer or of another company of which it is a subsidiary, or any other person in accordance with whose directions or instructions the directors or controllers of the insurer or a company of which the insurer is a subsidiary are accustomed to act, including any person who holds, or is entitled to exercise, 10% or more of the voting shares or voting power or is able to exercise a significant influence over the management of the insurer or a company of which the insurer is a subsidiary pursuant to the provisions of the Insurance Act. In addition an insurer and a designated insurer in respect of the parent company of the insurance group is required to notify the BMA in the event of any person becoming or ceasing to be an officer of the insurer or of the parent company of the group. An officer includes a director, chief executive or senior executive performing duties of underwriting, actuarial, risk management, compliance, internal audit, finance or investment matters.

Material Change Notifications: All insurers are required to give 30 days’ notice to the BMA of their intention to effect a material change within the meaning of the Insurance Act. Designated insurers are also required to give notice to the BMA if any member of its group intends to give effect to certain material changes within 30 days of such material change taking effect.

United States

General: Western World’s operating subsidiaries are domiciled in the state of New Hampshire. Western World Insurance Company operates as a surplus lines insurer in all U.S. jurisdictions other than New Hampshire. Tudor Insurance Company is licensed as a domestic surplus lines insurer in New Hampshire and is authorized to conduct business as a surplus lines insurer in all other U.S. jurisdictions. Stratford Insurance Company operates as an admitted insurer in 50 U.S. jurisdictions. Talbot operates within the Lloyd’s insurance market through Syndicate 1183, and Lloyd’s operations are subject to regulation in the United States in addition to being regulated in the United Kingdom, as discussed further below. The Lloyd’s market is licensed to engage in insurance business in Illinois, Kentucky and the U.S. Virgin Islands and operates as an eligible excess and surplus lines insurer in all states and territories except Kentucky and the U.S. Virgin Islands. Validus Reaseguros, Inc. and Validus Specialty Underwriting Services, Inc. are licensed reinsurance intermediaries in Florida and New York, respectively. Validus Re America (New Jersey) Inc. is a licensed reinsurance intermediary in New Jersey and New York.

Much of state insurance regulation follows model statutes or regulations developed or amended by the National Association of Insurance Commissioners (“NAIC”) which is governed by the chief insurance regulators of each U.S. jurisdiction. Through the NAIC, state insurance regulators establish standards, best practices and coordinate regulatory oversight.

Holding Company Regulation: Western World’s operating subsidiaries are subject to the insurance holding company laws of the state of New Hampshire. These regulations generally provide that each insurance company in the system is required to register with the state insurance department and furnish information concerning the operations of companies within the holding company system which may materially affect the operations, management or financial condition of the insurers within the system. All transactions within a holding company system affecting insurers must be fair and reasonable and notice to the state insurance department is required prior to the consummation of certain material transactions between an insurer and any entity in its holding company system. In addition, certain of such transactions cannot be consummated without prior approval from the state insurance department, or its failure to disapprove after receiving notice. The holding company acts also prohibit any person from directly or indirectly acquiring control of a U.S. insurance company unless that person has filed an application with specified information with the insurance company’s domiciliary commissioner and has obtained the commissioner’s prior approval. Under most states’ statutes, including New Hampshire, acquiring 10% or more of the voting securities of an insurance company or its parent company is presumptively considered an acquisition of control of the insurance company, although such presumption may be rebutted. Accordingly, any person or entity that acquires, directly or indirectly, 10% or more of the voting securities a U.S. insurance company without the prior approval of the commissioner will be in violation of these laws and may be subject to injunctive action requiring the disposition or seizure of those securities by the commissioner or prohibiting the voting of those securities, or to other actions that may be taken by the commissioner.

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In 2010, the NAIC adopted amendments to the Insurance Holding Company System Regulatory Act and Regulation, which, among other changes, introduce the concept of “enterprise risk” within an insurance holding company system. If and when the amendments are adopted by a particular state, the amended Insurance Holding Company System Regulatory Act and Regulation would impose more extensive informational requirements on parents and other affiliates of licensed insurers or reinsurers with the purpose of protecting them from enterprise risk, including requiring an annual enterprise risk report by the ultimate controlling person identifying the material risks within the insurance holding company system that could pose enterprise risk to the licensed companies. The amended Insurance Holding Company System Regulatory Act also requires any controlling person of a U.S. insurance company seeking to divest its controlling interest in the insurance company to file with the commissioner a confidential notice of the proposed divestiture at least 30 days prior to the cessation of control; after receipt of the notice, the commissioner shall determine those instances in which the parties seeking to divest or to acquire a controlling interest will be required to file for or obtain approval of the transaction. The amended Insurance Holding Company System Regulatory Act and Regulation must be adopted by the individual states for the new requirements to apply to U.S. domestic insurers and reinsurers. To date, only certain states, including New Hampshire, have enacted legislation adopting the amended Insurance Holding Company System Regulatory Act in some form.

Enterprise Risk: The NAIC has increased its focus on risks within an insurer’s holding company system that may pose enterprise risk to the insurer. “Enterprise risk” is defined as any activity, circumstance, event or series of events involving one or more affiliates of an insurer that, if not remedied promptly, is likely to have a material adverse effect upon the financial condition or the liquidity of the insurer or its insurance holding company system as a whole. As noted above, the NAIC recently adopted amendments to its Model Insurance Holding Company System Regulatory Act and Regulation, which include, among other amendments, a requirement for the ultimate controlling person to file an enterprise risk report. In 2012, the NAIC adopted the Risk Management and Own Risk and Solvency Assessment (“ORSA”) Model Act, which requires domestic insurers to maintain a risk management framework and establishes a legal requirement for domestic insurers to conduct an ORSA in accordance with the NAIC’s ORSA Guidance Manual. The ORSA Model Act provides that domestic insurers, or their insurance group, must regularly conduct an ORSA consistent with a process comparable to the ORSA Guidance Manual process. The ORSA Model Act also provides that, no more than once a year, an insurer’s domiciliary regulator may request that an insurer submit an ORSA summary report, or any combination of reports that together contain the information described in the ORSA Guidance Manual, with respect to the insurer and/or the insurance group of which it is a member. If and when the ORSA Model Act is adopted by a particular state, the ORSA Model Act would impose more extensive filing requirements on parents and other affiliates of domestic insurers.

Statutory Accounting Practices: Statutory accounting practices, or “SAP,” are a basis of accounting developed to assist U.S. insurance regulators in monitoring and regulating the solvency of insurance companies. It is primarily concerned with measuring an insurer’s surplus to policyholders. Accordingly, statutory accounting focuses on valuing assets and liabilities of insurers at financial reporting dates in accordance with appropriate insurance law and regulatory provisions applicable in each insurer’s domiciliary state. U.S. GAAP concerns an insurer’s solvency, but it also concerns other financial measurements, such as income and cash flows. Accordingly, U.S. GAAP gives more consideration to appropriate matching of revenue and expenses and accounting for management’s stewardship of assets than does SAP. As a direct result, different assets and liabilities and different amounts of assets and liabilities will be reflected in financial statements prepared in accordance with U.S. GAAP as opposed to SAP.

Statutory Accounting Practices established by the NAIC and adopted, in part, by the New Hampshire insurance regulator, determine, among other things, the amount of statutory surplus and statutory net income of Western World’s insurance company subsidiaries and thus determine, in part, the amount of funds they have available to pay dividends.

Restrictions on Dividends and Distributions: The ability of an insurer to pay dividends or make other distributions is subject to insurance regulatory limitations of the insurance company’s state of domicile. Generally, such laws limit the payment of dividends or other distributions above a specified level. Dividends or other distributions in excess of such thresholds are “extraordinary” and are subject to prior regulatory approval. Such dividends or distributions may be subject to applicable withholding or other taxes. Refer to Note 27 to the Consolidated Financial Statements, “Statutory and regulatory requirements,” in Part II, Item 8.

Insurance Regulatory Information System Ratios: The NAIC Insurance Regulatory Information System (“IRIS”) was developed by a committee of state insurance regulators and is intended primarily to assist state insurance departments in executing their statutory mandates to oversee the financial condition of insurance companies operating in their respective states. IRIS identifies 13 industry ratios (referred to as “IRIS ratios”) and specifies “usual values” for each ratio. Departure from the usual values of the IRIS ratios can lead to inquiries from individual state insurance commissioners as to certain aspects of an insurer’s business. Our insurance subsidiaries have consistently met the majority of the IRIS ratio tests.

Risk-Based Capital Requirements: In order to enhance the regulation of insurer solvency, the NAIC adopted in December 1993 a formula and model law to implement risk-based capital requirements for property and casualty insurance companies. These risk-based capital requirements are designed to assess capital adequacy and to raise the level of protection that statutory surplus provides for policyholder obligations. The risk-based capital model for property and casualty insurance companies measures three major areas of risk facing property and casualty insurers:

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•underwriting, which encompasses the risk of adverse loss developments and inadequate pricing;

•declines in asset values arising from credit risk; and

•declines in asset values arising from investment risks.

An insurer will be subject to varying degrees of regulatory action depending on how its statutory surplus compares to its risk-based capital calculation. For equity investments in an insurance company affiliate, the risk-based capital requirements for the equity securities of such affiliate would generally be our U.S.-based subsidiaries’ proportionate share of the affiliate’s risk-based capital requirement.

Under the approved formula, an insurer’s total adjusted capital is compared to its authorized control level risk-based capital. If this ratio is above a minimum threshold, no company or regulatory action is necessary. Below this threshold are four distinct action levels at which a regulator can intervene with increasing degrees of authority over an insurer as the ratio of surplus to risk-based capital requirement decreases. The four action levels include:

•insurer is required to submit a plan for corrective action;

•insurer is subject to examination, analysis and specific corrective action;

•regulators may place insurer under regulatory control; and

•regulators are required to place insurer under regulatory control.

Western World’s surplus (as calculated for statutory purposes) is above the risk-based capital thresholds that would require either company or regulatory action.

Guaranty Funds: Most states require all admitted insurance companies to participate in their respective guaranty funds which cover certain claims against insolvent insurers. Solvent insurers licensed in these states are required to cover the losses paid on behalf of insolvent insurers by the guaranty funds and are generally subject to annual assessments in the states by the guaranty funds to cover these losses.

Federal Regulation: Although state regulation is the dominant form of regulation for insurance business, the federal government in recent years has shown some concern over the adequacy of state regulation. It is not possible to predict the future impact of any potential federal regulations or other possible laws or regulations on our U.S. based subsidiaries’ capital and operations, and such laws or regulations could materially adversely affect their business. In addition, a number of federal laws affect and apply to the insurance industry, including various privacy laws and the economic and trade sanctions implemented by the Office of Foreign Assets Control (“OFAC”). OFAC maintains and enforces economic sanctions against certain foreign countries and groups and prohibits U.S. persons from engaging in certain transactions with certain persons or entities. OFAC has imposed civil penalties on persons, including insurance companies, arising from violations of its economic sanctions program.

The Dodd-Frank Wall Street Reform and Consumer Protection Act: The Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 (the “Dodd-Frank Act”) created the Federal Insurance Office (“FIO”) within the Department of Treasury, which is not a federal regulator or supervisor of insurance, but monitors the insurance industry for systemic risk, consults with the states regarding insurance matters and develops federal policy on aspects of international insurance matters. The Dodd-Frank Act also created a uniform system for non-admitted insurance premium tax payments based on the home state of the policyholder and provides for single state regulation for financial solvency and credit for reinsurance as discussed below.

Credit for Reinsurance: Certain provisions of the Dodd-Frank Act, which became effective on July 21, 2011, provide that only the state in which a primary insurer is domiciled may regulate the financial statement credit for reinsurance taken by that primary insurer. U.S. domiciled ceding companies typically receive full credit for outwards reinsurance protections in their statutory financial statements with respect to liabilities ceded to admitted U.S. domestic reinsurers. However, most states in the U.S. do not confer full credit for outwards reinsurance protections for liabilities ceded to non-admitted or unlicensed reinsurers, unless the reinsurer specifically collateralizes its obligations to the ceding company or is an authorized or trusteed reinsurer in the ceding company’s state of domicile through the establishment of a Multi-Beneficiary Reinsurance Trust (“MBRT”). 

In December 2014, Validus Reinsurance, Ltd. established a MBRT to collateralize its (re)insurance liabilities associated with and for the benefit of U.S. domiciled cedants, and was approved as a trusteed reinsurer in the State of New Jersey. As a result, cedants domiciled in that state will receive automatic credit in their regulatory filings for the reinsurance provided prospectively by the Company. Following the approval by the State of New Jersey, the Company submitted applications in most other U.S. states and territories, respectively, to become a trusteed reinsurer. As of December 31, 2016, Validus Reinsurance, Ltd. was approved as a trusteed reinsurer in 48 states as well as Puerto Rico and the District of Columbia. In addition, Validus Re Swiss established a MBRT in December 2015 and was approved as a trusteed reinsurer in 44 states as well as Puerto Rico and the District of Columbia

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as of December 31, 2016. It is our intention over time to transition U.S. domiciled cedants with outstanding letters of credit to the MBRT and therefore reduce our reliance on letters of credit. Through Lloyd’s, Talbot is also an accredited reinsurer in all states and territories of the United States. Lloyd’s maintains various trust funds in the state of New York to protect its U.S. business and is therefore subject to regulation by the New York Department of Financial Services, which acts as the domiciliary department for Lloyd’s U.S. trust funds. There are deposit trust funds in other states to support Lloyd’s reinsurance and excess and surplus lines insurance business.

As a result of the requirements relating to the provision of credit for reinsurance, our reinsurance companies are indirectly subject to certain regulatory requirements imposed by jurisdictions in which ceding companies are approved as trusteed reinsurers. In addition, the insurance and reinsurance regulatory framework of Bermuda and the insurance of U.S. risk by companies based in Bermuda and not licensed or authorized in the United States recently has become the subject of increased scrutiny in many jurisdictions, including the United States. We are not able to predict the future impact of changes in the laws and regulation to which we are or may become subject on the Company’s financial condition or results of operations.

Tax Regulations: Talbot is subject to a Closing Agreement between Lloyd’s and the U.S. Internal Revenue Service pursuant to which Talbot is subject to U.S. federal income tax to the extent its income is attributable to U.S. agents who have authority to bind Talbot. Specifically, U.S. federal income tax is imposed on 35% of its income attributable to U.S. binding authorities (70% for Illinois or Kentucky business).

Other Regulations: AlphaCat Managers Ltd. is a licensed insurance manager and is registered as an investment adviser with the U.S. Securities and Exchange Commission under the U.S. Investment Advisers Act of 1940, as amended. AlphaCat Managers Ltd. is also registered as a “commodity pool operator” with the Commodity Futures Trading Commission (the “CFTC”) and is a member of the National Futures Association.

United Kingdom

U.K. regulation of insurance is provided for by the Financial Services and Markets Act 2000 and operated, following the Financial Services Act 2012, by two focused regulators; the Financial Conduct Authority (“FCA”) and the Prudential Regulation Authority (“PRA”).

The FCA has a strong mandate for promoting confidence and transparency in financial services and gives greater protection for consumers of financial services. The PRA is responsible for the day-to-day supervision of financial institutions that are subject to significant prudential risk. It adopts a more judgment-based approach to regulation so that business models can be challenged, risks identified and action taken to preserve financial stability. The PRA also has an insurance objective of contributing to the securing of an appropriate degree of protection for those who are or may become policyholders.

In relation to insurance, the FCA and PRA both regulate insurers, insurance intermediaries and Lloyd’s itself. The FCA, PRA and Lloyd’s have common objectives in ensuring that the Lloyd’s market is appropriately regulated. To minimize duplication, there are arrangements with Lloyd’s for co-operation on supervision and enforcement.

Talbot’s underwriting activities are therefore regulated by both the FCA and PRA as well as being subject to the Lloyd’s “franchise” rules. All three have powers to remove their respective authorization for Talbot to manage Lloyd’s syndicates. Lloyd’s approves Syndicate 1183’s business plan annually as well as any subsequent material changes, together with the amount of capital (known as Funds at Lloyd’s or “FAL”) required to support that plan. Lloyd’s may require changes to any business plan presented to it or additional FAL to be provided to support the underwriting.

Talbot Risk Services Pte, Ltd. operates in Singapore and Australia to source business in the Far East and Australia. In Singapore, Talbot Risk Services Pte, Ltd. operates under the Lloyd’s Asia Scheme which permits underwriters to write Singaporean business and non-Singaporean business locally through service companies in Singapore. In Australia, Talbot Risk Services Pte, Ltd sources business from the local region and holds an Australian Financial Services License which is issued by Australian Securities & Investments Commission. Talbot Underwriting (MENA) Ltd. operates in Dubai to source business from the Middle East and North Africa and is regulated by the Dubai Financial Services Authority.

An EU directive covering the capital adequacy, risk management and regulatory reporting for insurers, known as Solvency II was adopted by the European Parliament in April 2009. Solvency II came into force on January 1, 2016. Insurers and reinsurers have been and continue to undertake a significant amount of work to ensure that they meet the new requirements and this may divert resources from other operational roles. The Lloyd’s Solvency II internal model, which covers all members at Lloyd’s, in aggregate, was approved by the PRA in December 2015. Talbot is currently in compliance with all Solvency II requirements.

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Switzerland

Our Swiss reinsurance subsidiary, Validus Re Swiss, is a company limited by shares and headquartered in Zurich, Switzerland. Validus Re Swiss maintains a branch office in Bermuda, Validus Reinsurance (Switzerland) Ltd. (Bermuda Branch), a Class 4 insurer.

Regulation and Supervision: Validus Re Swiss obtained its reinsurance license from the Swiss Federal Office of Private Insurance (now the Swiss Financial Market Supervisory Authority or “FINMA”) in December 2006.

Under Swiss rules and regulations, Swiss reinsurance companies are generally subject to many, but not all, of the same provisions that apply to direct insurers, and include the following obligations:

Adequacy of Financial Resources: The minimum capital for the reinsurance license that Validus Re Swiss holds is CHF 10 million. In addition, Validus Re Swiss must maintain adequate solvency and disposable and unencumbered capital resources to cover its entire activities in accordance with solvency requirement as stipulated by Swiss insurance legislation. 

Solvency is determined based on the Swiss Solvency Test (“SST”). Under this approach, a company’s capital is considered adequate if its risk bearing capital (“RBC”) exceeds its target capital (“TC”). RBC is defined as the difference between assets at a market-consistent value and discounted best estimated liabilities. TC is defined as the sum of a market value margin and the difference between the discounted one-year RBC and the current year RBC. The SST involves a sophisticated analysis to calculate the market-consistent valuation of all assets and liabilities with a methodological approach to risk categories (insurance risk, credit risk, etc.) subjecting them to scenario stress tests at a basic level in the context of the standard regulatory approach but, where appropriate, permitting the use of internal models in the overall management of risk, once such models are validated. 

The SST is very close to the “Solvency II” standard of the European Union. On June 5, 2015, Switzerland was granted full equivalence by the European Commission in all three areas of Solvency II: solvency calculation, group supervision and reinsurance. This decision was the outcome of a detailed assessment conducted by the European Insurance and Occupational Pensions Authority (“EIOPA”).

For the SST all assets of Validus Re Swiss are considered.  There is no direct constraint on permitted investments since the provisions regarding assets linked to reserves in the Swiss insurance legislation do not apply to reinsurance firms. However, the use of derivative instruments is required to be fully considered as part of the risk management processes and limited to reducing investment or insurance risk or to secure investment efficiencies.

Annual Reporting and Disclosure: Validus Re Swiss is required to prepare an annual report at the end of each financial year on the solvency margins available, as well as an annual report on the calculation of target capital and on risk bearing capital. Validus Re Swiss also files a corporate report incorporating audited financial statements prepared in accordance with Swiss law and a supervisory report in the prescribed format.

In addition and as a result of the Solvency II equivalence achievement, effective January 1, 2016, FINMA implemented new supervisory regulations resulting in new reporting and disclosure requirements with the most important requirements for Validus Re Swiss being the following:

Own Risk and Solvency Assessment (“ORSA”): The new requirements provide that Swiss domiciled reinsurance companies must maintain a risk management framework and ORSA process which is defined in an internal “ORSA policy.” The ORSA policy must outline all the processes and procedures undertaken to identify, evaluate, monitor and manage risks during the course of business as well as the processes and procedures performed to determine capital adequacy. The ORSA process is required to be performed on a yearly basis and an ORSA report has to be submitted to FINMA no later than January 31 of each year.

Public Disclosure: The new legislation requires Swiss domiciled reinsurance companies to publish a report on their financial situation. Going forward, the report needs to be submitted to FINMA and made accessible to the public. It requires companies to provide details on their business activities, company results, corporate governance and risk management, risk profile, the valuation basis for assets and liabilities, capital and solvency.

Capital Structure and Dividends: Validus Re Swiss is funded by equity in the form of paid in share capital and share premium. Under Swiss corporate law as modified by insurance supervisory law, a non-life insurance company is obliged to contribute to statutory legal reserves a minimum of 20% of any annual profit up to 50% of statutory capital, being paid in share capital (or capital contribution reserves). Validus Re Swiss has been substantially funded by share premium, exceeding 50% of the company’s share capital. As of the date of this Annual Report, capital contribution reserves can be distributed to shareholders without being subject to withholding tax. However, the distribution of any dividend to shareholders remains subject to the approval of FINMA which has regard to the maintenance of solvency and the interests of reinsureds and creditors.

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Employment Practices

The following table details our personnel by geographic location as at December 31, 2016:

Location	Validus Re	Talbot	Western World	AlphaCat	Corporate	Total	%
London, United Kingdom	—	284	—	—	66	350	39.5	%
Parsippany, New Jersey	7	—	183	2	6	198	22.3	%
Pembroke, Bermuda	69	—	—	10	57	136	15.3	%
New York, New York	2	13	9	—	21	45	5.1	%
Republic of Singapore	12	25	—	—	—	37	4.2	%
Waterloo, Canada	1	—	—	—	28	29	3.3	%
Miami, Florida	14	9	—	—	2	25	2.8	%
Other U.S. locations	—	—	19	—	6	25	2.8	%
Dubai, United Arab Emirates	—	12	—	—	—	12	1.4	%
Santiago, Chile	—	8	—	—	—	8	0.9	%
Toronto, Canada	—	—	—	—	6	6	0.7	%
Sydney, Australia	—	6	—	—	—	6	0.7	%
Zurich, Switzerland	6	—	—	—	—	6	0.7	%
Shanghai, China	—	2	—	—	—	2	0.2	%
Dublin, Ireland	1	—	—	—	—	1	0.1	%
Total	112	359	211	12	192	886	100.0	%

We believe our relations with our employees are excellent.

Executive Officers of the Company

The following table provides information regarding our executive officers and key employees as of February 23, 2017:

Name	Age	Position
Edward J. Noonan	58	Chairman of the Board of Directors and Chief Executive Officer of the Validus Group
Jeffrey D. Sangster	44	Executive Vice President and Chief Financial Officer
Peter Bilsby	47	Chief Executive Officer of the Talbot Group
Patrick Boisvert	43	Executive Vice President and Chief Accounting Officer
Kean D. Driscoll	43	Chief Executive Officer of Validus Reinsurance, Ltd.
John J. Hendrickson	56	Director of Strategy, Risk Management and Corporate Development
Andrew E. Kudera	57	Executive Vice President and Chief Actuary
Robert F. Kuzloski	53	Executive Vice President and General Counsel
Michael R. Moore	47	Executive Vice President and Chief Operating Officer
Romel Salam	50	Executive Vice President and Chief Risk Officer
Jonathan P. Ritz	49	Chief Executive Officer of Validus Specialty
Lixin Zeng	48	Chief Executive Officer of AlphaCat Managers Ltd.

Edward J. Noonan has been Chairman of our Board and the Chief Executive Officer of the Company since its formation. Mr. Noonan has over 30 years of experience in the insurance and reinsurance industry, serving most recently as the acting Chief Executive Officer of United America Indemnity Ltd. from February 2005 through October 2005 and as a member of the Board of Directors from December 2003 to May 2007. Mr. Noonan served as President and Chief Executive Officer of American Re-Insurance Company from 1997 to 2002, having joined American Re in 1983. Mr. Noonan also served as Chairman of Inter-Ocean Reinsurance Holdings of Hamilton, Bermuda from 1997 to 2002. Prior to joining American Re, Mr. Noonan worked at Swiss Reinsurance from 1979 to 1983. Mr. Noonan received a B.S. in Finance from St. John’s University in 1979. Mr. Noonan is also a director of Central Mutual Insurance Company and All American Insurance Company, both of which are property and casualty companies based in Ohio.

Jeffrey D. Sangster has served as Executive Vice President and Chief Financial Officer of the Company since February 2013. Mr. Sangster joined the Company in October 2006 and has served in various finance positions during that time, including Chief Accounting Officer and Chief Financial Officer of Validus Reinsurance, Ltd. Mr. Sangster has 19 years of experience in the reinsurance industry and was previously with Endurance, Centre Group and Ernst & Young. Mr. Sangster is Chartered Accountant and a member of the Chartered Professional Accountants of Bermuda and the Chartered Professional Accountants of Manitoba.

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Peter Bilsby currently serves as Chief Executive Officer of Talbot. Prior to this, Mr. Bilsby served as Managing Director of Talbot. Mr. Bilsby joined Talbot as Head of Global Aerospace from XL London Market Ltd. in September 2009 and served as Director of Underwriting until his appointment as Managing Director in November 2013. Peter Bilsby has almost 30 years’ experience in the insurance market.

Patrick Boisvert was appointed Executive Vice President and Chief Accounting Officer of the Company in July 2016. Prior to his role, he was Managing Director & Chief Financial Officer of Validus Reinsurance (Switzerland) Ltd. Before joining Validus in 2013, Mr. Boisvert was Chief Financial Officer of Flagstone Reinsurance Holdings SA from 2008 to 2012 and Chief Accounting Officer and Treasurer from 2006 to 2008. Prior to joining Flagstone, he was Vice President Fund Administration for BISYS Hedge Fund Services. Mr. Boisvert began his career in 1995 with Ernst & Young in Montreal, Canada. He holds a Bachelor in Accounting from Université du Quebec à Trois-Rivieres, is a member of the C.F.A. Institute and a member of the Chartered Professional Accountants of Canada.

Kean D. Driscoll is the Chief Executive Officer of Validus Reinsurance, Ltd., the reinsurance segment for the Validus Group. He was a founding member of the Company, and previously served as Chief Underwriting Officer. Mr. Driscoll has over 20 years of experience as a reinsurance underwriter, and was previously with Quanta Re, and Zurich Re N.A. (Converium). Mr. Driscoll holds a B.A. in Literature from Colgate University and an M.B.A. from Columbia University, where he graduated with Honors.

John J. Hendrickson has been a director of the Company since its formation. In February 2013, Mr. Hendrickson joined Validus Group as Director of Strategy, Risk Management and Corporate Development. Prior to this, Mr. Hendrickson was the Founder and Managing Partner of SFRi LLC, an independent investment and advisory firm specializing in the insurance industry. From 1995 to 2004, Mr. Hendrickson held various positions with Swiss Re, including as Member of the Executive Board, Head of Capital Partners (Swiss Re’s Merchant Banking Division) and Managing Partner of Securitas Capital. From 1985 to 1995, Mr. Hendrickson was with Smith Barney, the U.S. investment banking firm. Mr. Hendrickson has also served as a director of insurance and reinsurance companies, including serving as audit committee chair.

Andrew E. Kudera has served as Chief Actuary of the Company since January 2010. Previously, Mr. Kudera operated an independent actuarial consulting firm which served as corporate actuary and loss reserve specialist for Validus Reinsurance, Ltd. from its inception through to the end of 2008. Prior to establishing his own consulting firm, Mr. Kudera was the Chief Reserving Actuary for Endurance Specialty Holdings Ltd., a large international insurance and reinsurance company. Mr. Kudera has over 35 years of actuarial and financial management experience in the insurance industry in both company and consulting capacities. Mr. Kudera is a Fellow of the Casualty Actuarial Society, a Member of the American Academy of Actuaries, an Associate of the Society of Actuaries, a Fellow of the Canadian Institute of Actuaries and a Fellow of the Institute of Actuaries.

Robert F. Kuzloski joined the company in January 2009 and served as Executive Vice President and Chief Corporate Legal Officer of the Company until August of 2012 when he was appointed Executive Vice President and General Counsel of the Company. Prior to joining the Company in January of 2009, Mr. Kuzloski served as Senior Vice President and Assistant General Counsel of XL Capital Ltd. Prior to that, Mr. Kuzloski worked as an attorney at the law firm of Cahill Gordon & Reindel LLP where he specialized in general corporate and securities law, mergers and acquisitions and corporate finance.

Michael R. Moore serves as Executive Vice President and Group Chief Operating Officer of the Company, a position he has held since May 2016, having previously held the position of Chief Accounting Officer since June 2013. Mr. Moore has over 20 years of experience, including 17 years in the insurance and reinsurance industry. Prior to joining Validus, Mr. Moore served as a Senior Vice President, Corporate Operations at Axis Capital, Chief Accounting Officer at Endurance Specialty Holdings Ltd. and as a Senior Manager with Ernst & Young. Mr. Moore received a Bachelor of Commerce, with distinction, from the University of Alberta in 1993 and he is a Chartered Accountant and member of the Chartered Professional Accountants of Bermuda and Chartered Professional Accountants of Canada.

Romel Salam serves as Executive Vice President and Chief Risk Officer of the Company, a position he has held since April 2013. He was promoted to his current role after serving for three years as Chief Actuary and Chief Risk Officer of Validus Reinsurance, Ltd, the reinsurance arm of Validus Group. Prior to joining the Company in 2010, Mr. Salam was a Senior Vice President at Transatlantic Reinsurance where he spent 20 years in positions of increasing responsibility. Mr. Salam is a Fellow of the Casualty of Actuarial Society and a Member of the American Academy of Actuaries.

Jonathan P. Ritz serves as Chief Executive Officer of Validus Specialty, a position he has held since May 2016, having previously held the position of Chief Operating Officer since October 2010. Mr. Ritz has over 20 years of experience in the (re)insurance and brokerage industries. Most recently, Mr. Ritz served as Chief Operating Officer of IFG Companies-Burlington Insurance Group. Prior to IFG, Mr. Ritz served as Chief Operating Officer of the specialty lines division of ICAT Holdings LLC. From 2007 to 2008, Mr. Ritz was a Managing Director at Guy Carpenter and from 1997 to 2007 he held various positions with United America Insurance Group including Chief Operating Officer and Senior Vice President of ceded reinsurance.

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Lixin Zeng, Ph.D., CFA serves as Chief Executive Officer of AlphaCat Managers Ltd. and has played a key role in the Manager since its formation in 2008. Prior to this role, he was Executive Risk Officer of Validus Reinsurance Ltd, responsible for developing and executing the catastrophe risk strategy of the entire Validus Group. Dr. Zeng was one of the original employees at the founding of Validus in 2005. His prior positions include: Chief Catastrophe Risk Officer at the ACE Group from 2004 to 2005, Head of Development at Willis Re Inc from 2001 to 2004, Analyst at EW Blanch Co. from 1998 to 2001 and Research Scientist at Arkwright Mutual Insurance Co from 1996 to 1998. Mr. Zeng has expertise in insurance portfolio optimization and risk management and has published multiple articles in professional journals on related topics. He has a Ph.D. in atmospheric sciences from the University of Washington where he graduated in 1996. He received a B.S. in Meteorology from Beijing University, graduating in 1990 and is a CFA charterholder.

Available Information

The Company files periodic reports, proxy statements and other information with the SEC. The public may read and copy any materials filed with the SEC at the SEC’s Public Reference Room at 100 F Street, NE, Washington, DC 20549. The public may obtain information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330. The SEC maintains a website that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC. The SEC’s website address is http://www.sec.gov. The Company’s common shares are traded on the NYSE under the symbol “VR.” Similar information concerning the Company can be reviewed at the office of the NYSE at 20 Broad Street, New York, New York, 10005. The Company’s website address is http://www.validusholdings.com. Information contained in this website is not part of this report.

The Company’s Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act are available free of charge, including through our website, as soon as reasonably practicable after such material is electronically filed with, or furnished to, the SEC. Copies of the charters for the audit committee, the compensation committee, the corporate governance and nominating committee, the finance committee and the risk committee, as well as the Company’s Corporate Governance Guidelines, Code of Business Conduct and Ethics for Directors, Officers and Employees (the “Code”), which applies to all of the Company’s Directors, officers and employees, and Code of Ethics for Senior Officers, which applies to the Company’s principal executive officer, principal accounting officer and other persons holding a comparable position, are available free of charge on the Company’s website at http://www.validusholdings.com or by writing to Investor Relations, Validus Holdings, Ltd., 29 Richmond Road, Pembroke, HM 08, Bermuda. The Company will also post on its website any amendment to the Code and any waiver of the Code granted to any of its directors or executive officers to the extent required by applicable rules.

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Item 1A.    Risk Factors

Risks Related to Our Company

Claims on policies written under our short-tail insurance lines that arise from unpredictable and severe catastrophic events could adversely affect our financial condition or results of operations.

The majority of our gross premiums written to date are in short-tail lines, many of which have the potential to accumulate, which means we could become liable for a significant amount of losses in a brief period. The short-tail policies we write expose us to claims arising out of unpredictable natural and other catastrophic events, whether arising from natural causes such as hurricanes, windstorms, tsunamis, severe winter weather, earthquakes and floods, or man-made causes such as fires, explosions, acts of terrorism, war or political unrest. Many observers believe that the Atlantic basin is in the active phase of a multi-decade cycle in which conditions in the ocean and atmosphere, including warmer-than-average sea-surface temperatures and low wind shear, enhance hurricane activity. This increase in the number and intensity of tropical storms and hurricanes can span multiple decades (approximately 20 to 30 years). These conditions may translate to a greater potential for hurricanes to make landfall in the U.S. at higher intensities over the next several years. In addition, climate change may be causing changes in global temperatures, which may in the future increase the frequency and severity of natural catastrophes and the losses resulting therefrom.

The extent of losses from catastrophes is a function of both the number and severity of the insured events and the total amount of insured exposure in the areas affected. Increases in the value and concentrations of insured property, the effects of inflation and changes in cyclical weather patterns may increase the severity of claims from natural catastrophic events in the future. Similarly, changes in global political and economic conditions may increase both the frequency and severity of man-made catastrophic events in the future. Claims from catastrophic events could reduce our earnings and cause substantial volatility in our results of operations for any fiscal quarter or year, which could adversely affect our financial condition, possibly to the extent of eliminating our shareholders’ equity. Our ability to write new reinsurance policies could also be affected as a result of corresponding reductions in our capital.

Underwriting is inherently a matter of judgment, involving important assumptions about matters that are unpredictable and beyond our control, and for which historical experience and probability analysis may not provide sufficient guidance. One or more catastrophic or other events could result in claims that substantially exceed our expectations and which would become due in a short period of time, which could materially adversely affect our financial condition, liquidity or results of operations.

Emerging claim and coverage issues could adversely affect our business.

As industry practices and legal, judicial, social and other environmental conditions change, unexpected and unintended issues related to claims and coverage may emerge. These issues may adversely affect our business by either extending coverage beyond our underwriting intent or by increasing the number or size of claims. In some instances, these changes may not become apparent until sometime after we have issued insurance or reinsurance contracts that are affected by the changes. For example, a (re)insurance contract might limit the amount that can be recovered as a result of flooding. However, if the flood damage was caused by an event that also caused extensive wind damage, the quantification of the two types of damage is often a matter of judgment. Similarly, one geographic zone could be affected by more than one catastrophic event. In this case, the amount recoverable from an insurer or reinsurer may in part be determined by the judgmental allocation of damage between the events. Given the magnitude of the amounts at stake, these types of issues occasionally necessitate judicial resolution. In addition, our actual losses may vary materially from our current estimate of the loss based on a number of factors, including receipt of additional information from insureds or brokers, the attribution of losses to coverages that had not previously been considered as exposed and inflation in repair costs due to additional demand for labor and materials. As a result, the full extent of liability under an insurance or reinsurance contract may not be known for many years after such contract is issued and a loss occurs. Our exposure to this uncertainty is greater in our longer tail lines (marine and energy liabilities, aviation products and airports (aviation direct), financial lines, construction, political risk and liability).

As a property and casualty insurer and reinsurer, we could face losses from war, terrorism and political unrest.

We may have substantial exposure to losses resulting from acts of war, acts of terrorism and political instability. These risks are inherently unpredictable, although recent events may lead to increased frequency and severity. It is difficult to predict the occurrence of these perils with statistical certainty or to estimate the amount of loss an occurrence will generate. We closely monitor the amount and types of coverage we provide for terrorism risk under insurance policies and reinsurance treaties. We often seek to exclude terrorism when we cannot reasonably evaluate the risk of loss or charge an appropriate premium for such risk. Even in cases where we have deliberately sought to exclude coverage, we may not be able to eliminate our exposure to terrorist acts, and thus it is possible that these acts could have a material adverse effect on us.

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We depend on ratings from third party rating agencies. Our financial strength rating could be revised downward, which could affect our standing among brokers and customers, cause our premiums and earnings to decrease and limit our ability to pay dividends on our common shares.

Third-party rating agencies assess and rate the financial strength of insurers and reinsurers based upon criteria established by the rating agencies, which criteria are subject to change. The financial strength ratings assigned by rating agencies to insurance and reinsurance companies represent independent opinions of financial strength and ability to meet policyholder obligations and are not directed toward the protection of investors. Ratings have become an increasingly important factor in establishing the competitive position of insurance and reinsurance companies. Insurers and intermediaries use these ratings as one measure by which to assess the financial strength and quality of insurers and reinsurers. These ratings are often a key factor in the decision by an insured or intermediary of whether to place business with a particular insurance or reinsurance provider. These ratings are not an evaluation directed toward the protection of investors or a recommendation to buy, sell or hold our common shares.

If our financial strength rating is reduced from current levels, our competitive position in the (re)insurance industry could suffer, and it would be more difficult for us to market our products. A downgrade could result in a significant reduction in the number of (re)insurance contracts we write as our customers and brokers that place such business, move to other competitors with higher financial strength ratings.

The substantial majority of reinsurance contracts issued through reinsurance brokers contain provisions permitting the ceding company to cancel such contracts in the event of a downgrade of the reinsurer by A.M. Best below “A-” (Excellent). We cannot predict in advance the extent to which this cancellation right would be exercised, if at all, or what effect any such cancellations would have on our financial condition or future operations, but such effect could be material and adverse. Consequently, substantially all of Validus Re’s business could be affected by a downgrade of our A.M. Best rating below “A-”.

The indenture governing our Junior Subordinated Deferrable Debentures would restrict us from declaring or paying dividends on our common shares if we are downgraded by A.M. Best to a financial strength rating of “B” (Fair) or below or if A.M. Best withdraws its financial strength rating on any of our material insurance subsidiaries. A downgrade of the Company’s A.M. Best financial strength rating below “B++” (Fair) would also constitute an event of default under our credit facilities. Either of these events could, among other things, reduce the Company’s financial flexibility.

If our risk management and loss limitation methods fail to adequately manage exposure to losses from catastrophic events, our financial condition and results of operations could be adversely affected.

We manage exposure to catastrophic losses by analyzing the probability and severity of the occurrence of catastrophic events and the impact of such events on our overall (re)insurance and investment portfolio. We use various tools to analyze and manage the reinsurance exposures assumed from insureds and ceding companies and risks from a catastrophic event that could have an adverse effect on our investment portfolio. VCAPS, our proprietary risk modeling software, enables us to assess the adequacy of reinsurance risk pricing and to monitor the overall exposure to insurance and reinsurance risk in correlated geographic zones. There can be no assurance that the models and assumptions used by the software will accurately predict losses. Further, there can be no assurance that the models are free of defects in the modeling logic or in the software code. In addition, we have not sought copyright or other legal protection for VCAPS.

In addition, much of the information that we enter into the risk modeling software is based on third-party data that may not be reliable, as well as estimates and assumptions that are dependent on many variables, such as assumptions about building material and labor demand surge, storm surge, the expenses of settling claims (known as loss adjustment expenses), insurance-to-value and storm intensity. Accordingly, if the estimates and assumptions that are entered into the proprietary risk model are incorrect, or if the proprietary risk model proves to be an inaccurate forecasting tool, the losses we might incur from an actual catastrophe could be materially higher than the expectation of losses generated from modeled catastrophe scenarios, and our financial condition and results of operations could be adversely affected.

A modeled outcome of net loss from a single event also relies in significant part on the reinsurance and retrocessional arrangements in place, or expected to be in place at the time of the analysis, and may change during the year. Modeled outcomes assume that the reinsurance in place responds as expected with minimal reinsurance failure or dispute. Reinsurance and retrocessional coverage is purchased to protect the inwards exposure in line with our risk appetite, but it is possible for there to be a mismatch or gap in cover which could result in higher than modeled losses. In addition, many parts of our reinsurance program are purchased with limited reinstatements and, therefore, the number of claims or events which may be recovered from second or subsequent events is limited. It should also be noted that renewal dates of the reinsurance and retrocessional program do not necessarily coincide with those of the inwards business written. Where inwards business is not protected by risks attaching reinsurance and retrocessional programs, the programs could expire resulting in an increase in the possible net loss retained and as such, could have a material adverse effect on our financial condition and results of operations.

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We also seek to limit loss exposure through loss limitation provisions in policies we write, such as limitations on the amount of losses that can be claimed under a policy, limitations or exclusions from coverage and provisions relating to choice of forum, which are intended to assure that our policies are legally interpreted as intended. There can be no assurance that these contractual provisions will be enforceable in the manner expected or that disputes relating to coverage will be resolved in our favor. If the loss limitation provisions in the policies are not enforceable or disputes arise concerning the application of such provisions, the losses we incur from a catastrophic event could be materially higher than expected and our financial condition and results of operations could be adversely affected.

The insurance and reinsurance business is historically cyclical and we expect to experience periods with excess underwriting capacity and unfavorable premium rates and policy terms and conditions, which could materially adversely affect our financial condition and results of operations.

The insurance and reinsurance industry has historically been cyclical. Insurers and reinsurers have experienced significant fluctuations in operating results due to competition, frequency of occurrence or severity of catastrophic events, levels of underwriting capacity, underwriting results of primary insurers, general economic conditions and other factors. The supply of insurance and reinsurance is related to prevailing prices, the level of insured losses and the level of industry surplus which, in turn, may fluctuate, including in response to changes in rates of return on investments being earned in the reinsurance industry.

The insurance and reinsurance pricing cycle has historically been a market phenomenon, driven by supply and demand rather than by the actual cost of coverage. The upward phase of a cycle is often triggered when a major event forces insurers and reinsurers to make large claim payments, thereby drawing down capital. This, combined with increased demand for insurance against the risk associated with the event, pushes prices upwards. Over time, insurers’ and reinsurers’ capital is replenished with the higher revenues. At the same time, new entrants flock to the industry seeking a part of the profitable business. This combination prompts a slide in prices—the downward cycle—until a major insured event potentially restarts the upward phase. As a result, the insurance and reinsurance business has been characterized by periods of intense competition on price and policy terms due to excessive underwriting capacity, which is the percentage of surplus or the dollar amount of exposure that a reinsurer is willing to place at risk, as well as periods when shortages of capacity result in favorable premium rates and policy terms and conditions.

Premium levels may be adversely affected by a number of factors which fluctuate and may contribute to price declines generally in the reinsurance industry. For example, as premium levels for many products increased subsequent to the significant natural catastrophes of 2004 and 2005, the supply of reinsurance increased, either as a result of capital provided by new entrants or by the commitment of additional capital by existing reinsurers. Increases in the supply of insurance and reinsurance may have consequences for the reinsurance industry generally and for us including fewer contracts written, lower premium rates, increased expenses for customer acquisition and retention, and less favorable policy terms and conditions. As a consequence, the Company will experience greater competition on most insurance and reinsurance lines. This could adversely affect the rates we receive for our (re)insurance and our gross premiums written. The insurance and reinsurance industry is currently experiencing a soft market whereby premiums tend to be lower, capacity is higher and competition increases.

The cyclical trends in the industry and the industry’s profitability can also be affected significantly by volatile and unpredictable developments, such as natural disasters (e.g., catastrophic hurricanes, windstorms, tornadoes, earthquakes and floods), courts granting large awards for certain damages, fluctuations in interest rates, changes in the investment environment that affect market prices of investments and inflationary pressures that may tend to affect the size of losses experienced by insureds and primary insurance companies. We expect to experience the effects of cyclicality, which could materially adversely affect our financial condition and results of operations.

Competition for business in our industry is intense, and if we are unable to compete effectively, we may not be able to retain market share and our business may be materially adversely affected.

The insurance and reinsurance industries are highly competitive. We face intense competition, based upon (among other things) global capacity, product breadth, reputation and experience with respect to particular lines of business, relationships with (re)insurance intermediaries, quality of service, capital and perceived financial strength (including independent rating agencies’ ratings), innovation and price. We compete with major global insurance and reinsurance companies and underwriting syndicates, many of which have extensive experience in (re)insurance and may have greater financial, marketing and employee resources available to them than us. Other financial institutions, such as banks and hedge funds, now offer products and services similar to our products and services through alternative capital markets products that are structured to provide protections similar to those provided by reinsurers. These products, such as catastrophe-linked bonds, compete with our products. In the future, underwriting capacity will continue to enter the market from these identified competitors and perhaps other sources. Increased competition could result in fewer submissions and lower rates, which could have a material adverse effect on our growth and profitability. If we are unable to compete effectively against these competitors, we may not be able to retain market share and this could adversely affect our financial condition and results of operations.

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In addition, insureds have been retaining a greater proportion of their risk portfolios than previously, and industrial and commercial companies have been increasingly relying upon their own subsidiary insurance companies, known as captive insurance companies, self-insurance pools, risk retention groups, mutual insurance companies and other mechanisms for funding their risks, rather than risk transferring insurance. This has also put downward pressure on (re)insurance premiums.

Consolidation in the (re)insurance industry could adversely affect our business.

We believe that several (re)insurance industry participants are seeking to consolidate. These consolidated entities may try to use their enhanced market power to negotiate price reductions for our products and services and/or obtain a larger market share through increased line sizes. If competitive pressures reduce our prices, we would expect to write less business. As the (re)insurance industry consolidates, competition for customers will become more intense and the importance of acquiring and properly servicing each customer will become greater. We could incur greater expenses relating to customer acquisition and retention, further reducing our operating margins. In addition, insurance companies that merge may be able to spread their risks across a consolidated, larger capital base so that they require less reinsurance. Reinsurance intermediaries could also continue to consolidate, potentially adversely impacting our ability to access business and distribute our products. We could also experience more robust competition from larger, better capitalized competitors. Any of the foregoing could adversely affect our business or our results of operations.

If we underestimate our reserve for losses and loss expenses, our financial condition and results of operations could be adversely affected.

Our success depends on our ability to accurately assess the risks associated with the businesses and properties that we insure/reinsure. If unpredictable catastrophic events occur, or if we fail to adequately manage our exposure to losses or fail to adequately estimate our reserve requirements, our actual losses and loss expenses may deviate, perhaps substantially, from our reserve estimates.

We estimate the risks associated with our outstanding obligations, including the risk embedded within our unearned premiums. To do this, we establish reserves for losses and loss expenses (or loss reserves), which are liabilities that we record to reflect the estimated costs of claim payment and the related expenses that we will ultimately be required to pay in respect of premiums written and include case reserves and IBNR reserves. However, under U.S. GAAP, we are not permitted to establish reserves for losses until an event which gives rise to a claim occurs. As a result, only reserves applicable to losses incurred up to the reporting date may be set aside on our financial statements, with no allowance for the provision of loss reserves to account for possible other future losses, unless we deem the unearned premium reserve to be insufficient to cover future losses on risks that have already incepted. Case reserves are reserves established with respect to specific individual reported claims. IBNR reserves are reserves for estimated losses that we have incurred but that have not yet been reported to us.

Our reserve estimates do not represent an exact calculation of liability. Rather, they are estimates of what we expect the ultimate settlement and administration of claims will cost. These estimates are based upon actuarial and statistical projections, on our assessment of currently available data, predictions of future developments and estimates of future trends and other variable factors such as inflation. Establishing an appropriate level for our loss reserve estimates is an inherently uncertain process. It is likely that the ultimate liability will be greater or less than these estimates and that, at times, this variance will be material. Our reserve estimates are regularly refined as experience develops and claims are reported and settled. In addition, as we operate largely through intermediaries, reserving for our business can involve added uncertainty arising from our dependence on information from ceding companies which, in addition to the risk of receiving inaccurate information, involves an inherent time lag between reporting information from the primary insurer to us. Additionally, ceding companies employ differing reserving practices which add further uncertainty to the establishment of our reserves. Moreover, in certain circumstances, the Company has necessitated the use of industry loss emergence patterns in deriving IBNR. Loss emergence patterns are development patterns used to project current reported or paid loss amounts to their ultimate settlement value or amount. Further, expected losses and loss ratios are typically developed using vendor and proprietary computer models and these expected loss ratios are a material component in the calculation of IBNR. Actual loss ratios will deviate from expected loss ratios and ultimate loss ratios will be greater or less than expected loss ratios. Because of these uncertainties, it is possible that our estimates for reserves at any given time could prove inadequate.

To the extent we determine that actual losses and loss adjustment expenses from events which have occurred exceed our expectations and the loss reserves reflected in our financial statements, we will be required to reflect these changes in the current reporting period. This could cause a sudden and material increase in our liabilities and a reduction in our profitability, including operating losses and reduction of capital, which could materially restrict our ability to write new business and adversely affect our financial condition and results of operations and potentially our A.M. Best rating.

The preparation of our financial statements requires us to make many estimates and judgments which, if inaccurate, could cause volatility in our results.

Our Consolidated Financial Statements have been prepared in accordance with U.S. GAAP. Management believes the item that requires the most subjective and complex estimates is the reserve for losses and loss expenses. Following a major catastrophic

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event, the possibility of future litigation or legislative change that may affect interpretation of policy terms further increases the degree of uncertainty in the reserving process. The uncertainties inherent in the reserving process, together with the potential for unforeseen developments, including changes in laws and the prevailing interpretation of policy terms, may result in losses and loss expenses materially different than the reserves initially established. Changes to prior year reserves will affect current underwriting results by increasing net income if the prior year reserves prove to be redundant or by decreasing net income if the prior year reserves prove to be insufficient. We expect volatility in results in periods in which significant loss events occur because U.S. GAAP does not permit insurers or reinsurers to reserve for loss events until they have occurred and are expected to give rise to a claim. As a result, we are not allowed to record contingency reserves to account for expected future losses. We anticipate that claims arising from future events will require the establishment of substantial reserves from time to time.

Changes in current accounting practices and future pronouncements could materially impact our reported financial results.

Unanticipated developments in accounting practices may require us to divert resources from other operational roles to comply with such developments, particularly if we are required to prepare information relating to prior periods for comparative purposes or significantly modify existing processes to apply the new requirements prospectively. The impact of changes in current accounting practices and future pronouncements cannot be predicted; however, they may affect the calculation of net income, net equity and other relevant financial statement line items.

We rely on key personnel and the loss of their services may adversely affect us. The Bermuda location of our head office may be an impediment to attracting and retaining experienced personnel.

Various aspects of our business depend on the services and skills of key personnel of the Company. We believe there are only a limited number of available qualified executives in the business lines in which we compete. We rely substantially upon the services of our executive officers, among other key employees of the Company. For a listing of our executive officers refer to Part I, Item 1 “Business.” The loss of any of their services or the services of other members of our management team or any difficulty in attracting and retaining other talented personnel could impede the further implementation of our business strategy, reduce our revenues and decrease our operational effectiveness. Although we have an employment agreement with each of our executive officers, there is a possibility that these employment agreements may not be enforceable in the event any of these employees leave. The employment agreements for each of our executive officers provide that the terms of the agreement will continue for a defined period after either party giving notice of termination, and will terminate immediately upon the Company giving notice of termination for cause. We do not currently maintain key man life insurance policies with respect to these or any of our other employees. In addition, changes in employment laws, taxation and remuneration practices within our operating jurisdiction may adversely impact the retention or recruitment of key personnel.

The operating location of our head office and our primary Validus Re subsidiary may be an impediment to attracting and retaining experienced personnel. Under Bermuda law, non-Bermudians (other than spouses of Bermudians or permanent resident certificate holders) may not engage in any gainful occupation in Bermuda without an appropriate governmental work permit. Our success may depend in part on the continued services of key employees in Bermuda. A work permit may be granted or renewed upon demonstrating that, after proper public advertisement, no Bermudian (or spouse of a Bermudian or a holder of a permanent resident’s certificate) is available who meets the minimum standards reasonably required by the employer. A work permit is issued with an expiry date (up to ten years for senior executives) and no assurances can be given that any work permit will be issued or, if issued, renewed upon the expiration of the relevant term. If work permits are not obtained, or are not renewed, for our principal employees, we would lose their services, which could materially affect our business. Work permits are currently required for 44 of our Bermuda employees, the majority of whom have obtained three- or five-year work permits.

Certain of our directors and officers may have conflicts of interest with us.

Entities affiliated with some of our directors have sponsored or invested in, and may in the future sponsor or invest in, other entities engaged in or intending to engage in insurance and reinsurance underwriting, some of which compete with us. They have also entered into, or may in the future enter into, agreements with companies that compete with us.

We have a policy in place applicable to each of our directors and officers which provides for the resolution of potential conflicts of interest. However, we may not be in a position to influence any party’s decision to engage in activities that would give rise to a conflict of interest, and they may take actions that are not in our shareholders’ best interests.

We may require additional capital or credit in the future, which may not be available or only available on unfavorable terms.

We monitor our capital adequacy on a regular basis. The capital requirements of our business depend on many factors, including our premiums written, loss reserves, investment portfolio composition and risk exposures, as well as satisfying regulatory and rating agency capital requirements. Our ability to underwrite is largely dependent upon the quality of our claims paying and financial strength ratings as evaluated by independent rating agencies. To the extent that our existing capital is insufficient to fund our future operating requirements and/or cover claim losses, we may need to raise additional funds through financings or limit our growth. Any

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equity or debt financing, if available at all, may be on terms that are unfavorable to us. In the case of equity financings, dilution to our shareholders could result, and, in any case, such securities may have rights, preferences and privileges that are senior to those of our outstanding securities. In addition, the capital and credit markets have recently been experiencing extreme volatility and disruption. In some cases, the markets have exerted downward pressure on the availability of liquidity and credit capacity for certain issuers. If we are not able to obtain adequate capital, our business, results of operations and financial condition could be adversely affected.

In addition, for certain of our subsidiaries as an alien insurer and reinsurer (not licensed in the U.S.), we are required to post collateral security with respect to any (re)insurance liabilities that we assume from insureds or ceding insurers domiciled in the U.S. in order for U.S. ceding companies to obtain full statutory and regulatory credit for our reinsurance. Other jurisdictions may have similar collateral requirements. Under applicable statutory provisions, these security arrangements may be in the form of letters of credit, insurance or reinsurance trusts maintained by trustees or funds-withheld arrangements where assets are held by the ceding company. We intend to satisfy such statutory requirements by maintaining the trust fund requirements for Talbot’s underwriting at Lloyd’s and Validus Re and by providing to primary insurers letters of credit issued under our credit facilities or access to our multi-beneficiary trusts. To the extent that we are required to post additional security in the future, we may require additional letter of credit capacity and there can be no assurance that we will be able to obtain such additional capacity or arrange for other types of security on commercially acceptable terms or on terms as favorable as under our current letter of credit facilities. Our inability to provide collateral satisfying the statutory and regulatory guidelines applicable to insureds and primary insurers would have a material adverse effect on our ability to provide (re)insurance to third parties and negatively affect our financial position and results of operations.

Security arrangements may subject our assets to security interests and/or require that a portion of our assets be pledged to, or otherwise held by, third parties. Although the investment income derived from our assets while held in trust typically accrues to our benefit, the investment of these assets is governed by the investment regulations of the state of domicile of the ceding insurer and therefore the investment returns on these assets may not be as high as they otherwise would be.

We may be adversely impacted by inflation.

Our operations, like those of other property and casualty insurers and reinsurers, are susceptible to the effects of inflation because premiums are established before the ultimate amounts of loss and loss expense are known. Although we consider the potential effects of inflation when setting premium rates, our premiums may not fully offset the effects of inflation and essentially result in our underpricing the risks we insure and reinsure. Our reserve for losses and loss expenses includes assumptions about future payments for settlement of claims and claims handling expenses, such as the value of replacing property and associated labor costs for the property business we write, the value of medical treatments and litigation costs. To the extent inflation causes these costs to increase above reserves established for these claims, we will be required to increase our loss reserves with a corresponding reduction in our net income in the period in which the deficiency is identified, which may have a material adverse effect on our financial condition or results of operations.

Loss of business from one or more major brokers could adversely affect us.

We market our insurance and reinsurance on a worldwide basis primarily through brokers, and we depend on a small number of brokers for a large portion of our revenues. For the year ended December 31, 2016, our business was primarily sourced from the following brokers: Marsh & McLennan Companies, Inc.28.8%, Aon Benfield Group Ltd.16.2%, and Willis Towers Watson plc14.1%. These three brokers provided a total of 59.1% of our gross premiums written for the year ended December 31, 2016. Loss of all or a substantial portion of the business provided by one or more of these brokers could adversely affect our business.

We assume a degree of credit risk associated with substantially all of our brokers.

In accordance with industry practice, we frequently pay amounts owed on claims under our policies to brokers and the brokers, in turn, pay these amounts over to the insured and reassured that have reinsured a portion of their liabilities with us. In some jurisdictions, if a broker fails to make such a payment, we might remain liable to the insured or reassured for the deficiency notwithstanding the broker’s obligation to make such payment. Conversely, in certain jurisdictions, when the insured or reassured pays premiums for these policies to the insurance and reinsurance brokers for payment to us, these premiums are considered to have been paid and the insured or reassured will no longer be liable to us for these premiums, whether or not we have actually received them. Consequently, we assume a degree of credit risk associated with substantially all of our brokers.

Our utilization of brokers, managing general agents and other third parties to support our business exposes us to operational and financial risks

Our insurance business relies upon brokers, managing general agents and other third parties to produce and service a portion of its operations. In these arrangements, we typically grant the third party the right to bind us to new and renewal policies, subject to underwriting guidelines we provide and other contractual restrictions and obligations. Should these third parties issue policies that contravene these guidelines, restrictions or obligations, we could nonetheless be deemed liable for such policies. Although we would

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intend to resist claims that exceed or expand on our underwriting intention, it is possible that we would not prevail in such an action, or that our managing general agent would be unable to adequately indemnify us for their contractual breach.

We also rely on managing general agents, third party administrators or other third parties we retain, to collect premiums and to pay valid claims. We could also be exposed to their or their producer’s operational risk, including, but not limited to, contract wording errors, technological and staffing deficiencies and inadequate disaster recovery plans. We could also be exposed to potential liabilities relating to the claims practices of the third party administrators we have retained to manage the claims activity on this business. Although we have implemented monitoring and other oversight protocols, we cannot assure that these measures will be sufficient to mitigate all of these exposures.

Our success depends on our ability to establish and maintain effective operating procedures and internal controls. Failure to detect control issues and any instances of fraud could adversely affect us.

Our success is dependent upon our ability to establish and maintain operating procedures and internal controls (including the timely and successful implementation of information technology systems and programs) to effectively support our business and our regulatory and reporting requirements. We may not be successful in such efforts. Even when implemented, as a result of the inherent limitations in all control systems, no evaluation of controls can provide full assurance that all control issues and instances of fraud, if any, within the Company will be detected.

We may be unable to purchase reinsurance or retrocessional reinsurance in the future, and if we do successfully purchase reinsurance or retrocessional reinsurance, we may be unable to collect on claims submitted under such policies, which could adversely affect our business, financial condition and results of operations.

We purchase reinsurance and retrocessional reinsurance in order that we may offer insureds and cedants greater capacity, and to mitigate the effect of large and multiple losses on our financial condition. Reinsurance is a transaction whereby an insurer or reinsurer cedes to a reinsurer or retrocessional reinsurer all or part of the insurance it has written or reinsurance it has assumed. A reinsurer’s or retrocessional reinsurer’s insolvency or inability or refusal to make timely payments under the terms of its reinsurance agreement with us could have an adverse effect on us because we remain liable to our client. From time to time, market conditions have limited, and in some cases have prevented, insurers and reinsurers from obtaining the types and amounts of reinsurance or retrocessional reinsurance that they consider adequate for their business needs. Accordingly, we may not be able to obtain our desired amounts of reinsurance or retrocessional reinsurance or negotiate terms that we deem appropriate or acceptable or obtain reinsurance or retrocessional reinsurance from entities with satisfactory creditworthiness.

Our investment portfolio may suffer reduced returns or losses which could adversely affect our results of operations and financial condition. Any increase in interest rates or volatility in the fixed income markets could result in significant unrealized losses in the fair value of our investment portfolio which would reduce our net income.

Our operating results depend in part on the performance of our investment portfolio, which currently consists largely of fixed maturity securities, as well as the ability of our investment managers to effectively implement our investment strategy. Our Board of Directors, led by our Finance Committee, Chief Financial Officer and Chief Investment Officer oversees our investment strategy and IPS, which provides the framework for the management and oversight of the Company’s investment portfolio. Refer to Part I, Item 1 “Business - Investment Management” for further details on the Company’s IPS.

While we follow a conservative investment strategy designed to emphasize the preservation of invested assets and to provide sufficient liquidity for the prompt payment of claims, we will nevertheless be subject to market-wide risks including illiquidity and pricing uncertainty and fluctuations, as well as to risks inherent in particular securities. Our investment performance may vary substantially over time, and there can be no assurance that we will achieve our investment objectives. The investment return including net investment income, income (loss) from investment affiliates, net realized and the change in net unrealized gains (losses) on managed investments was $168.4 million, or 2.79% for the year ended December 31, 2016.

Investment results will also be affected by general economic conditions, market volatility, interest rate fluctuations, liquidity and credit risks beyond our control. In addition, our need for liquidity may result in investment returns below our expectations. Also, with respect to certain of our investments, we are subject to prepayment or reinvestment risk. At December 31, 2016, 28.8% of our managed fixed maturities portfolio is comprised of mortgage-backed and asset-backed securities which are subject to prepayment risk. Although we attempt to manage the risks of investing in a changing interest rate environment, a significant increase in interest rates could result in significant losses, realized or unrealized, in the fair value of our investment portfolio and, consequently, could have an adverse effect on our results of operations.

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A portion of our investment portfolio is allocated to investments which have risk characteristics different from our short-term and fixed maturity investment portfolio which could adversely affect our results of operations, financial condition and cash flows.

A portion of our investment portfolio is allocated to hedge funds, investment funds and private equity investments, including our investments in investment affiliates, which contain risk characteristics different from our short-term and fixed maturity investment portfolio. These investments expose us to market risk and may experience significant volatility in their investment returns and valuations which could have an adverse impact our results of operations and financial condition. Furthermore, certain of these investments also expose us to liquidity risk and may be illiquid due to contractual provisions or market conditions. If we require significant amounts of cash on short notice in excess of anticipated cash obligations, then we may have difficulty selling these investments in a timely manner or we may be forced to sell or terminate them at unfavorable values which could adversely impact our results of operations, financial condition and cash flows.

Investment methodologies and assumptions are subject to differing interpretations which could adversely affect our results of operations and financial condition.

The valuation of our investments may include methodologies, estimations and assumptions that are subject to differing interpretations and could result in changes to our investment valuations. During periods of market disruptions, it may be difficult to value certain securities if trading becomes less frequent or market data less observable. There may also be certain asset classes that become illiquid due to the financial environment. As a result, valuation of securities in our investment portfolio may require more subjectivity and management judgment. Valuation methods that require greater estimation may result in values which may be greater or less than the value at which the investments may be ultimately sold. In addition, rapidly changing and unpredictable credit and equity market conditions could materially affect the valuation of securities as reported in our Consolidated Financial Statements.

Our operating results may be adversely affected by currency fluctuations.

Our reporting currency is the U.S. dollar and the majority of our operating companies have a functional currency of the U.S. dollar. Many of our companies maintain both assets and liabilities in local currencies. Therefore, we are exposed to foreign exchange risk on the assets and liabilities denominated in those foreign currencies. Foreign exchange risk is reviewed as part of our risk management process. Locally required capital levels may be invested in home currencies in order to satisfy regulatory requirements and to support local insurance operations. The principal currencies potentially creating unhedged foreign exchange risk are the Australian dollar, New Zealand dollar, Japanese yen, British pound sterling and the Euro. As a result of the accounting treatment for non-monetary items, we may experience volatility in our income statement during a period when movement in foreign exchange rates fluctuate significantly. In accordance with U.S. GAAP, non-monetary items are not re-measured at the reporting date and are therefore translated at historic exchange rates. Non-monetary items include unearned premiums and deferred acquisition costs. Therefore, a mismatch arises in the income statement between the amount of premium recognized at historical exchange rates and the related claims which are re-measured using currency rates at the reporting date which can cause volatility in the income statement. We look to manage our economic foreign currency exposure through matching our major foreign-denominated assets and liabilities, as well as through the use of currency derivatives. However, there is no guarantee that we will effectively mitigate our exposure to foreign exchange losses. Refer to Part II, Item 7A “Quantitative and Qualitative Disclosures About Market Risk” for further discussion of foreign currency risk.

System security risks, data protection breaches, cyber-attacks and systems integration issues could disrupt our internal operations or information technology services provided to customers, and any such disruption could affect our ability to conduct our business, our financial condition and our ability to meet the demands of our customers and stakeholders.

We depend on the proper functioning and availability of our information technology platform, including communications and data processing systems, in operating our business. These systems consist of proprietary software programs that are integral to the efficient operation of our business and include our pricing and exposure management system, VCAPS, and other non-proprietary systems such as our policy administration, actuarial and accounting systems. A prolonged failure of, or inability to access, one or more of our operational systems could significantly impair our ability to process premiums and claims, pay claims, perform actuarial modeling, prepare internal and external financial statements and information, as well as conduct other daily business activities. Such failure could have a material adverse effect on our results of operations.

We are also required to effect electronic transmissions with third parties including brokers, client’s vendors and others with whom we do business, and to facilitate the oversight conducted by our Board of Directors. Security breaches arising from cyber-attacks could expose us to a risk of loss or misuse of our information, litigation and potential liability and could impact the availability, reliability, speed, accuracy or other proper functioning of our IT systems. We may not have the resources or technical sophistication to anticipate or prevent rapidly evolving types of cyber-attacks. A significant cyber incident, including system failure, security breach, disruption by malware or other damage could interrupt or delay our operations, result in a violation of applicable privacy and other laws, damage our reputation, cause a loss of customers or give rise to monetary fines and other penalties, which could be significant.

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The Company has a Business Continuity Program which has been developed to provide reasonable assurance of business continuity in the event of disruptions at the company’s critical facilities. The key elements of the program are business recovery, systems and data recovery. In the area of information security, we have developed and implemented a framework of principles, policies and technology to protect the information provided to us by our clients and that of the company from cyber-attacks and other misappropriation, corruption or loss. Safeguards are applied to maintain the confidentiality, integrity and availability of information; however, there is no guarantee that these measures will be sufficient to mitigate all of these exposures.

We may be exposed to risk in connection with our management of third party capital.

Our operating subsidiaries may owe certain legal duties and obligations to third party investors (including reporting obligations) and are subject to a variety of often complex laws and regulations relating to the management of third party capital. Compliance with some of these laws and regulations requires significant management time and attention. Although we seek to continually monitor our policies and procedures to attempt to ensure compliance, there could be faulty judgments, simple errors or mistakes, or the failure of our personnel to adhere to established policies and procedures that could result in our failure to comply with applicable laws or regulations which could result in significant liabilities, penalties or other losses to the Company, and seriously harm our business and results of operations. In addition to the forgoing, our third party capital providers may redeem their interests in our managed funds, which could materially impact the financial condition of such funds, and could in turn materially impact our financial condition and results of operations. Moreover, we can provide no assurance that we will be able to attract and raise additional third party capital for our existing funds or for potential new funds and therefore we may forego existing and/or potential fee income and other income generating opportunities.

The ongoing development of our U.S. excess and surplus lines insurance operations is subject to increased risk from changing market conditions.

Excess and surplus lines insurance is a substantial portion of the business written by our U.S. operating subsidiary, Western World. Excess and surplus lines insurance covers risks that are typically more complex and unusual than standard risks and require a high degree of specialized underwriting. As a result, excess and surplus lines risks do not often fit the underwriting criteria of standard insurance carriers. Our excess and surplus lines insurance business fills the insurance needs of businesses with unique characteristics and is generally considered higher risk than those in the standard market. If our underwriting staff inadequately judges and prices the risks associated with the business underwritten in the excess and surplus lines market, our financial results could be adversely impacted.

Further, the excess and surplus lines market is significantly affected by the conditions of the property and casualty insurance market in general. The impact of this cyclicality can be more pronounced in the excess and surplus market than in the standard insurance market. During times of hard market conditions (when market conditions are more favorable to insurers), as rates increase and coverage terms become more restrictive, business tends to move from the admitted market to the excess and surplus lines market and growth in the excess and surplus market can be significantly more rapid than growth in the standard insurance market. When soft market conditions are prevalent (when market conditions are less favorable to insurers), standard insurance carriers tend to loosen underwriting standards and expand market share by moving into business lines traditionally characterized as excess and surplus lines, exacerbating the effect of rate decreases. If we fail to manage the cyclical nature and volatility of the revenues and profit we generate in the excess and surplus lines market, our financial results could be adversely impacted.

A decrease in the fair value of Talbot, Western World and/or our intangible assets may result in future impairments.

Goodwill and intangible assets are assessed for impairment on an annual basis or more frequently if events or changes in circumstances indicate that the carrying amount may not be recoverable. These assessments require us to use significant judgment in making various estimates and assumptions, such as the determination of expected future cash flows and/or earnings, and actual results may ultimately be materially different from such estimates and assumptions. For example, expected future cash flows and/or earnings may be materially and negatively impacted as a result of, among other things, a decrease in renewals and new business, loss of key personnel, lower-than-expected yields and/or cash flows from our investment portfolio or higher-than-expected claims activity and incurred losses as well as other general economic factors. As a result of these potential changes, the estimated fair value of Talbot, Western World and/or our intangible assets may decrease, causing the carrying value to exceed the fair value and the goodwill and/or intangible assets to be impaired. If an impairment is determined to exist, the carrying value of the goodwill and/or intangible asset is adjusted to its implied fair value with the corresponding expense recorded in our income statement in the period in which the impairment is determined. If we are required to record goodwill impairments in the future, our financial condition and results of operations would be negatively affected.

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Risks Related to Acquisitions and New Ventures

Any future acquisitions or new ventures may expose us to operational risks.

We may in the future make strategic acquisitions, either of other companies or selected books of business, or grow our business organically. Any future acquisitions or new ventures may expose us to operational challenges and risks, including:

• integrating financial and operational reporting systems;

• integration into new geographical regions;

• establishing satisfactory budgetary and other financial controls;

• funding increased capital needs and overhead expenses;

• retaining management personnel required for existing operations;

• obtaining management personnel required for expanded operations;

• obtaining necessary regulatory permissions;

• funding cash flow shortages that may occur if anticipated revenues are not realized or are delayed, whether by general economic or market conditions or unforeseen internal difficulties;

• the value of assets related to acquisitions or new ventures may be lower than expected or may diminish due to credit defaults or changes in interest rates and liabilities assumed may be greater than expected;

• the assets and liabilities related to acquisitions or new ventures may be subject to foreign currency exchange rate fluctuation; and

• financial exposures in the event that the sellers of the entities we acquire are unable or unwilling to meet their indemnification, reinsurance and other obligations to us.

Our failure to manage successfully these operational challenges and risks may adversely impact our results of operations.

Risks Related to Lloyd’s and Other U.K. Regulatory Matters

The regulation of Lloyd’s members and of Lloyd’s by the U.K. Financial Conduct Authority (“FCA”) and Prudential Regulation Authority (“PRA”) and under European Directives and other local laws may result in intervention that could have a significant negative impact on Talbot.

Talbot operates in a regulated jurisdiction. Its underwriting activities are regulated by the FCA and PRA and franchised by Lloyd’s. The FCA and PRA have substantial powers of intervention in relation to the Lloyd’s managing agents that it regulates (such as Talbot Underwriting Ltd.), including the power to remove their authorization to manage Lloyd’s syndicates. In addition, the Lloyd’s Franchise Board is responsible for approving every syndicate’s annual business plan, including the maximum premium volume they may write, and may require changes to any business plan presented to it or additional capital (known as Funds at Lloyd’s or “FAL”) to be provided to support underwriting. An adverse determination in any of these areas could lead to a change in business strategy which may have an adverse effect on Talbot’s financial condition and results of operations.

Additionally, Lloyd’s worldwide insurance and reinsurance business is subject to local regulation. Changes in such regulation may have an adverse effect on Lloyd’s generally and on Talbot in particular.

Should Lloyd’s Council decide additional levies are required to support the central fund, this could adversely affect Talbot.

The central fund, which is funded by annual contributions from Lloyd’s members and loans, acts as a policyholders’ protection fund to make payments where any Lloyd’s member has failed to pay, or is unable to pay, valid claims. The Lloyd’s Council may resolve to make payments from the central fund for the advancement and protection of policyholders, which could lead to additional or special contributions being payable by Lloyd’s members, including Talbot. This, in turn, could adversely affect Talbot and the Company.

The failure of Lloyd’s to satisfy the PRA’s annual solvency test could result in limitations on managing agents’ ability, including Talbot’s ability, to underwrite or the commencement of legal proceedings against Lloyd’s.

The PRA requires Lloyd’s to satisfy an annual solvency test. The solvency requirement in essence measures whether Lloyd’s has sufficient assets in the aggregate to meet all outstanding liabilities of its members, both current and in run-off. If Lloyd’s fails to satisfy the test in any year, the PRA may require Lloyd’s to cease trading and/or its members to cease or reduce underwriting. In

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the event of Lloyd’s failing to meet any solvency requirement, either the Society of Lloyd’s or the PRA may apply to the court for a Lloyd’s Market Reorganization Order (“LMRO”). On the making of an order a “reorganization controller” is appointed, and for its duration, a moratorium is imposed preventing any proceedings or legal process from being commenced or continued against any party that is the subject of such an order, which, if made, would apply to the market as a whole, including members, former members, managing agents, members’ agents, Lloyd’s brokers, approved run-off companies and managing general agents unless individual parties are specifically excluded.

A downgrade in Lloyd’s ratings would have an adverse effect on Syndicate 1183’s standing among brokers and customers and cause its premiums and earnings to decrease.

The ability of Lloyd’s syndicates to trade in certain classes of business at current levels is dependent on the maintenance of a satisfactory credit rating issued by a recognized rating agency. The financial security of the Lloyd’s market is regularly assessed by three independent rating agencies, A.M. Best, Standard & Poor’s and Fitch Ratings. Lloyd’s current ratings are: A.M. Best: A, Stable Outlook; Standard & Poor’s: A+, Stable Outlook; Fitch Ratings: AA-, Stable Outlook.

An increase in the charges paid by Talbot to participate in the Lloyd’s market could adversely affect Talbot’s financial and operating results.

Lloyd’s imposes a number of charges on businesses operating in the Lloyd’s market, including, for example, annual subscriptions and central fund contributions for members and policy signing charges. The basis and amounts of charges may be varied by Lloyd’s and could adversely affect Talbot and the Company.

An increase in the level or type of deposits required by U.S. Situs Trust Deeds to be maintained by Lloyd’s syndicates could result in Syndicate 1183 being required to make a cash call which could adversely affect Talbot’s financial performance.

The U.S. Situs Trust Deeds require syndicates transacting certain types of business in the United States to maintain minimum deposits as protection for U.S. policyholders. These deposits represent the syndicates’ estimates of unpaid claims liabilities (less premiums receivable) relating to this business, adjusted for provisions for potential bad debt on premiums earned but not received and for any anticipated profit on unearned premiums. No credit is generally allowed for potential reinsurance recoveries. The New York Insurance Department and the U.S. National Association of Insurance Commissioners (“NAIC”) currently require funding of 30% of gross liabilities in relation to insurance business classified as “Surplus Lines.” The “Credit for Reinsurance” trust fund is usually required to be funded at 100% of gross liabilities. The funds contained within the deposits are not ordinarily available to meet trading expenses. U.S. regulators may increase the level of funding required or change the requirements as to the nature of funding. Accordingly, in the event of a major claim arising in the United States, for example from a major catastrophe, syndicates participating in such U.S. business may be required to make cash calls on their members to meet claims payments and deposit funding obligations. This could adversely affect Talbot.

Risks Related to Taxation

Our non U.S companies may be subject to U.S. tax.

We intend to operate in such a manner that none of our non-U.S. companies would be unintendedly considered engaged in a U.S. trade or business. No definitive standards, however, are provided by the Internal Revenue Code of 1986, as amended (the “Code”), U.S. Treasury regulations or court decisions regarding activities that constitute the conduct of a U.S. trade or business. Because that determination is essentially factual, there can be no assurance that the Internal Revenue Service (the “IRS”) will not contend that we are engaged in a U.S. trade or business. If we were found to be so engaged, we could be subject to U.S. corporate income and branch profits tax on our earnings that are effectively connected to such U.S. trade or business.

If the group company involved is entitled to the benefits of a U.S. income tax treaty (the “Treaty”), it would not be subject to U.S. income tax on any income protected by the Treaty unless that income is attributable to a permanent establishment in the U.S. The income tax treaty between the U.S. and Bermuda (the “Bermuda Treaty”) clearly applies to premium income, but may be construed as not protecting other income such as investment income. If any of the Company’s Bermuda based subsidiaries were found to be engaged in a trade or business in the U.S. and were entitled to the benefits of the Bermuda Treaty in general, but the Bermuda Treaty was found not to protect investment income, a portion of the relevant subsidiary’s investment income could be subject to U.S. tax.

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U.S. persons who hold common shares may be subject to U.S. income taxation at ordinary income rates on our undistributed earnings and profits.

Controlled Foreign Corporation Status: The Company should not be a controlled foreign corporation (“CFC”) because its organizational documents provide that if the common shares owned, directly, indirectly or by attribution, by any person would otherwise represent more than 9.09% of the aggregate voting power of all the Company’s common shares, the voting rights attached to those common shares will be reduced so that such person may not exercise and is not attributed more than 9.09% of the total voting power of the common shares. There can be no assurance, however, that the provisions of the Organizational Documents will operate as intended and that the Company will not be considered a CFC. If the Company were considered a CFC, any shareholder that is a U.S. person that owns directly, indirectly or by attribution, 10% or more of the voting power of the Company may be subject to current U.S. income taxation at ordinary income tax rates on all or a portion of the Company’s undistributed earnings and profits attributable to the Company’s insurance and reinsurance income, including underwriting and investment income. Any gain realized on sale of common shares by such shareholder may also be taxed as a dividend to the extent of the Company’s earnings and profits attributed to such shares during the period that the shareholder held the shares and while the Company was a CFC (with certain adjustments).

Related Person Insurance Income: If the related person insurance income (“RPII”) of any of the Company’s non-U.S. insurance subsidiaries were to equal or exceed 20% of that subsidiary’s gross insurance income in any taxable year, and U.S. persons were treated as owning 25% or more of the subsidiary’s stock, by vote or value, a U.S. person who directly or indirectly owns any common shares on the last day of such taxable year on which the 25% threshold is met would be required to include in income for U.S. federal income tax purposes that person’s ratable share of that subsidiary’s RPII for the taxable year. The amount to be included in income is determined as if the RPII were distributed proportionately to U.S. shareholders on that date, regardless of whether that income is distributed. The amount of RPII to be included in income is limited by such shareholder’s share of the subsidiary’s current-year earnings and profits, and possibly reduced by the shareholder’s share of prior year deficits in earnings and profits. The amount of RPII earned by a subsidiary will depend on several factors, including the identity of persons directly or indirectly insured or reinsured by that subsidiary. Although we do not believe that the 20% threshold will be met for our non-U.S. insurance subsidiaries, some of the factors that might affect that determination in any period may be beyond our control. Consequently, we cannot assure that we will not exceed the RPII threshold in any taxable year.

If a U.S. person disposes of shares in a non-U.S. insurance corporation that had RPII (even if the 20% threshold was not met) and the 25% threshold is met at any time during the five-year period ending on the date of disposition, and the U.S. person owned any shares at such time, any gain from the disposition will generally be treated as a dividend to the extent of the holder’s share of the corporation’s undistributed earnings and profits that were accumulated during the period that the holder owned the shares (possibly whether or not those earnings and profits are attributable to RPII). In addition, the shareholder will be required to comply with specified reporting requirements, regardless of the amount of shares owned. We believe that those rules should not apply to a disposition of common shares because the Company is not itself directly engaged in the insurance business. We cannot assure, however, that the IRS will not successfully assert that those rules apply to a disposition of common shares.

U.S. persons who hold common shares will be subject to adverse tax consequences if the Company is considered a passive foreign investment company for U.S. federal income tax purposes.

If the Company is considered a passive foreign investment company (“PFIC”) for U.S. federal income tax purposes, a U.S. holder who owns common shares will be subject to adverse tax consequences, including a greater tax liability than might otherwise apply and an interest charge on certain taxes that are deferred as a result of the Company’s non-U.S. status. We currently do not expect that the Company will be a PFIC for U.S. federal income tax purposes in the current taxable year or the foreseeable future because, through Validus Reinsurance, Ltd., Talbot 2002 Underwriting Capital Ltd., Validus Reinsurance (Switzerland) Ltd and Talbot Underwriting Ltd., it intends to be predominantly engaged in the active conduct of a global insurance and reinsurance business. We cannot assure you, however, that the Company will not be deemed to be a PFIC by the IRS. No regulations currently exist regarding the application of the PFIC provisions to an insurance company.

Changes in U.S. tax laws may be retroactive and could subject a U.S. holder of our common shares to other adverse tax consequences.

The tax treatment of non-U.S. companies and their U.S. and non-U.S. insurance and reinsurance subsidiaries has been the subject of Congressional discussion and legislative proposals in the U.S. We cannot assure you that future legislative action will not increase the amount of U.S. tax payable by us.

In addition, the U.S. federal income tax laws and interpretations, including those regarding whether a company is engaged in a U.S. trade or business or is a PFIC, or whether U.S. holders would be required to include “subpart F income” or RPII in their gross income, are subject to change, possibly on a retroactive basis. The regulations regarding the application of the PFIC rules to insurance

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companies and the regulations regarding RPII are still in proposed form and we cannot be certain if, when, or in what form, such regulations or pronouncements may be finalized, and whether such guidance will have a retroactive effect.

Changes in U.S. tax laws may increase the tax in our U.S. subsidiaries

The U.S. Congress has proposed introducing sweeping new tax legislation in the U.S., including, but not limited to, reducing the corporate tax rate, eliminating net interest deductibility and border tax adjustments. The most significant part of the proposal relates to border tax adjustments. If border adjustments were to be applied to the (re)insurance industry, a U.S. company purchasing offshore reinsurance would not be allowed to deduct the expense of the premium in computing their taxable income. In essence, this would add a “border tax” of 20% (the expected rate under the proposed legislation) on top of the cost of the premium. As such, the purchase of offshore reinsurance may not be efficient for any U.S. company. If such proposed legislation were to become law it could have a material adverse effect on the Company.

We may become subject to taxes in Bermuda after March 31, 2035, which may have a material adverse effect on our results of operations.

Under current Bermuda law, we are not subject to tax on income or capital gains. We have received from the Minister of Finance under The Exempted Undertaking Tax Protection Act 1966, as amended, an assurance that, in the event that Bermuda enacts legislation imposing tax computed on profits, income, any capital asset, gain or appreciation, or any tax in the nature of estate duty or inheritance, then the imposition of any such tax shall not be applicable to us or to any of our operations or shares, debentures or other obligations, until March 31, 2035. We could be subject to taxes in Bermuda after that date. This assurance is subject to the provision that it is not to be construed to prevent the application of any tax or duty to such persons as are ordinarily resident in Bermuda or to prevent the application of any tax payable in accordance with the provisions of the Land Tax Act 1967 or otherwise payable in relation to any property leased to us. The Company’s Bermuda-domiciled subsidiaries each pay annual Bermuda government fees and each Bermuda subsidiary licensed insurer and reinsurer pays an annual insurance license fee. In addition, all entities employing individuals in Bermuda are required to pay a payroll tax and there are other sundry taxes payable, directly or indirectly, to the Bermuda government.

The impact of Bermuda’s letter of commitment to the Organization for Economic Cooperation and Development (“OECD”) to eliminate harmful tax practices is uncertain and could adversely affect our tax status in Bermuda.

The OECD has published reports and launched a global initiative among member and non-member countries on measures to limit harmful tax competition. These measures are largely directed at counteracting the effects of tax havens and preferential tax regimes in countries around the world. Bermuda was not listed in the most recent report as an uncooperative tax haven jurisdiction because it had previously committed to eliminate harmful tax practices, to embrace international tax standards for transparency, to exchange information and to eliminate an environment that attracts business with no substantial domestic activity. We are not able to predict what changes will arise from the commitment or whether such changes will subject us to additional taxes.

Our non-U.K. companies may be subject to U.K. tax.

We intend to operate in such a manner that none of our non-U.K. companies would be resident in the U.K. for tax purposes. A company incorporated outside the U.K. will be deemed resident if its business is centrally managed and controlled from the U.K. The concept of central management and control is not defined in statute but derives from case law and the determination of residence is subjective, therefore Her Majesty’s Revenue and Customs (“HMRC”) might contend successfully that one or more of our companies are resident in the U.K.

Furthermore, we intend to operate in such a manner that none of our non-U.K. companies carry on a trade wholly or partly in the U.K. Case law has held that whether or not a trade is being carried on is a matter of fact and emphasis is placed on where operations take place from which the profits in substance arise. This judgment is subjective. The HRMC might contend successfully that one or more of our non-U.K. companies, is conducting business in the U.K. For tax purposes, a non-U.K. tax resident company will only be subject to corporation tax if it carries on a trade in the U.K. through a permanent establishment. However, that company will still have an income tax liability if it carries on a trade in the U.K., even absent a permanent establishment, unless that company is treaty-protected.

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We may become subject to taxation on profits generated in Bermuda as a result of the OECD’s final recommendations on Base erosion and profit shifting (“BEPS”)

In 2015, the OECD published final recommendations on BEPS. These recommendations propose the development of rules to prevent base erosion and profit shifting which may drive fundamental changes in the perception of tax structuring and transfer pricing by tax authorities. The recommendations include adopting transfer pricing rules or special measures to ensure that returns will not accrue to an entity solely because it has contractually assumed risks or has provided capital. BEPS will likely put a much greater emphasis on the location of individuals and their contributions towards profit generation. This would notably result in a significant change to the existing transfer pricing rules and could potentially have a significant impact on the allocation of taxable profits throughout the Company. Furthermore, these developments might also result in significant changes to the rules that govern the creation of a taxable presence in a foreign country. As a consequence, profits currently generated in Bermuda may become subject to taxation outside Bermuda.

Our non-Swiss companies may be subject to taxation in Switzerland.

We intend to operate in such a manner that none of our non-Swiss companies would be resident in Switzerland for tax purposes. A company incorporated outside Switzerland will be deemed resident if its business is centrally managed and controlled from Switzerland. However, the analysis is factual and the Swiss tax authorities might contend successfully that one or more of our non-Swiss group companies are resident in Switzerland.

Furthermore, a group company incorporated and managed outside of Switzerland should not be liable for Swiss corporation taxation unless it carries on business through a permanent establishment in Switzerland. From a Swiss tax perspective, a permanent establishment is a fixed place of business through which a company performs business activities that are considered as being quantitatively and qualitatively significant by the tax authorities, and may include a branch, office, agency or place of management. As of the date of this Annual Report, the Validus group intends to operate in such a manner so that none of our non-Swiss companies will carry on business through a permanent establishment in Switzerland. If any of our companies were to be treated as carrying on business in Switzerland through a branch or agency or of having a permanent establishment in Switzerland, our results of operations could be adversely affected.

Diverted Profit Tax in the U.K.

The U.K. Authorities enacted a new Diverted Profits Tax as of April 1, 2015 on profits of multinationals artificially diverted from the U.K. The tax rate will be 25%. Diverted Profits Tax will apply in two situations; (a) where a foreign company has artificially avoided having a taxable presence in the U.K, or (b) where a group has entered into a tax advantageous structure or transaction that lacks economic substance.

Although the legislation intends to address aggressive tax planning which is artificial or lacks economic substance, the legislation has a wider reach. The Validus group has significant U.K. operations and several intragroup reinsurance agreements. We believe that these transactions have economic substance and should fall outside the intended reach of the Diverted Profit Tax. However, we are not able to predict the financial impact of the new Diverted Profits Tax and such impact may be adverse.

Risks Related to Laws and Regulations Applicable to Us

If we become subject to insurance statutes and regulations in addition to the statutes and regulations that currently apply to us, there could be a significant and negative impact on our business.

We currently conduct our business in a manner such that we expect the Company will not be subject to insurance and/or reinsurance licensing requirements or regulations in any jurisdiction other than Bermuda, Switzerland, the United States, and, with respect to Talbot, the U.K. and jurisdictions to which Lloyd’s is subject. Refer to Part I, Item 1 “Business — Regulation.” Although we do not currently intend to engage in activities which would require us to comply with insurance and reinsurance licensing requirements of other jurisdictions, should we choose to engage in activities that would require us to become licensed in such jurisdictions, we cannot assure you that we will be able to do so or that we will be able to do so in a timely manner.

The insurance and reinsurance regulatory framework has recently become subject to increased scrutiny in many jurisdictions. Governmental authorities in both the U.S. and worldwide have become increasingly interested in the potential risks posed by the insurance industry as a whole, and to commercial and financial systems in general. For example, the U.S. Congress and the current administration have made, or called for consideration of, several additional proposals relating to a variety of issues with respect to financial regulation reform, including the Dodd-Frank Act that was signed into law by President Obama on July 21, 2010. The Dodd-Frank Act represented a comprehensive overhaul of the regulation of the financial services industry within the United States and established a Federal Insurance Office under the U.S. Treasury Department to monitor all aspects of the insurance industry and of lines of business other than certain health insurance, certain long-term care insurance and crop insurance. The director of the Federal

37

Insurance Office has the ability to recommend that an insurance company or an insurance holding company be subject to heightened prudential standards under the supervision of the Federal Reserve. In addition, some state legislators have considered or enacted laws that will alter and likely increase state regulation of insurance and reinsurance companies and holding companies. Furthermore, the NAIC, which is an association of the insurance commissioners of all 50 states and the District of Columbia, regularly reexamines existing laws and regulations.

Government regulators are generally concerned with the protection of policyholders rather than other constituencies, such as our shareholders. We are not able to predict the exact nature, timing or scope of changes in laws and regulations to which we are or may become subject; however, compliance with such laws and regulations may result in additional costs which may adversely impact our results of operations.

Our international business is subject to applicable laws and regulations relating to sanctions and foreign corrupt practices, the violation of which could adversely affect our operations.

We must comply with all applicable economic sanctions and anti-bribery laws and regulations of the United States and other foreign jurisdictions where we operate, including the United Kingdom and the European Community. United States laws and regulations applicable to us include the economic trade sanctions laws and regulations administered by the United States Department of the Treasury’s Office of Foreign Assets Control (“OFAC”) as well as certain laws administered by the United States Department of State. In addition, we are subject to the Foreign Corrupt Practices Act (“FCPA”) and other anti-bribery laws such as the UK Bribery Act that generally bar corrupt payments or unreasonable gifts to foreign governments or officials. Although we have policies and controls in place that are designed to ensure compliance with these laws and regulations, it is possible that an employee or intermediary could fail to comply with applicable laws and regulations. In such event, we could be exposed to civil penalties, criminal penalties and other sanctions, including fines or other punitive actions. In addition, such violations could damage our business and/or our reputation. Such criminal or civil sanctions, penalties, other sanctions, and damage to our business and/or reputation could have a material adverse effect on our financial condition and results of operations.

Risks Related to Ownership of Our Common Shares

Because Validus Holdings, Ltd. is a holding company and substantially all of our operations are conducted by our main operating subsidiaries our ability to meet any ongoing cash requirements and to pay dividends will depend on our ability to obtain cash dividends or other cash payments or obtain loans from these subsidiaries.

We conduct substantially all of our operations through subsidiaries. Our ability to meet our ongoing cash requirements, including any debt service payments or other expenses, and pay dividends on our common shares in the future, will depend on our ability to obtain cash dividends or other cash payments or obtain loans from these subsidiaries and as a result will depend on the financial condition of these subsidiaries. The inability of these subsidiaries to pay dividends in an amount sufficient to enable us to meet our cash requirements could have a material adverse effect on us and the value of our common shares. Each of these subsidiaries is a separate and distinct legal entity that has no obligation to pay any dividends or to lend or advance us funds and may be restricted from doing so by contract, including other financing arrangements, charter provisions or applicable legal and regulatory requirements or rating agency constraints. The payment of dividends by these subsidiaries to us is limited under Bermuda, U.K. and U.S. laws and regulations. The Insurance Act provides that our Bermuda Class 3B and 4 insurance subsidiaries may not declare or pay in any financial year dividends of more than 25% of their total statutory capital and surplus (as shown on their statutory balance sheets in relation to the previous financial year) unless they file an affidavit with the BMA at least seven days prior to the payment signed by at least two directors and such subsidiary’s principal representative, stating that in their opinion such subsidiaries will continue to satisfy the required margins following declaration of those dividends, though there is no additional requirement for BMA approval. In addition, before reducing its total statutory capital by 15% or more (as set out in its previous years’ statutory financial statements) each of our Class 3A and Class 4 insurance subsidiaries must make application to the BMA for permission to do so, such application to consist of an affidavit signed by at least two directors and such subsidiary’s principal representative stating that in their opinion the proposed reduction in capital will not cause such subsidiaries to fail to meet its relevant margins, and such other information as the BMA may require. Each of our Class 3 insurance subsidiaries must make application to the BMA before reducing its total statutory capital by 15% or more and should provide such information as the BMA may require. As at December 31, 2016, the Bermuda regulated subsidiaries have the ability to distribute up to $1,335.3 million of unrestricted net assets as dividend payments or return of capital to Validus Holdings, Ltd. without prior regulatory approval.

Talbot manages Syndicate 1183 (the “Syndicate”) at Lloyd’s. Lloyd’s requires Talbot to hold cash and investments in trust for the benefit of policyholders either as Syndicate trust funds or as Funds at Lloyd’s (“FAL”). Talbot may not distribute funds from the Syndicate into its corporate member’s trust accounts unless, firstly, they are represented by audited profits and, secondly, the Syndicate has adequate future cash flow to service its policyholders. Talbot’s corporate member may not distribute funds to Talbot’s unregulated bank or investment accounts unless they are represented by a surplus of cash and investments over the FAL requirement. Additionally, U.K. company law prohibits Talbot’s corporate name from declaring a dividend to the Company unless it has profits available for distribution. The determination of whether a company has profits available for distribution is based on its accumulated realized profits

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less its accumulated realized losses. While the U.K. insurance regulatory laws do not impose statutory restrictions on a corporate name’s ability to declare a dividend, the FCA and PRA rules require maintenance of each insurance company’s solvency margin within its jurisdiction.

Western World’s operating subsidiaries are domiciled in the state of New Hampshire. New Hampshire insurance laws limit the amount of dividends Western World may pay to the Company in any 12 month period without prior approval of the New Hampshire State Insurance Department. These limitations are based on the lesser of: a maximum of 10% of prior year end statutory surplus as determined under statutory accounting practices or the net income, not including realized capital gains, for the 12-month period ending December 31, next preceding, but shall not include pro rata distributions of any class of the insurer’s own securities. In determining whether a dividend or distribution is extraordinary, an insurer may carry forward net income from the previous two calendar years that has not already been paid out as dividends. This carry-forward shall be computed by taking the net income from the second and third preceding calendar years, not including realized capital gains, less dividends paid in the second and immediate preceding calendar years. As at December 31, 2016, the maximum dividend that may be paid to the Company by Western World without obtaining prior approval was $0.5 million.

The timing and amount of any cash dividends on our common shares are at the discretion of our Board of Directors and will depend upon our results of operations and cash flows, our financial position and capital requirements, general business conditions, legal, tax, regulatory, rating agency and contractual constraints or restrictions and any other factors that our Board of Directors deems relevant. In addition, the indentures governing our Junior Subordinated Deferrable Debentures would restrict us from declaring or paying dividends on our common shares if we are downgraded by A.M. Best to a financial strength rating of “B” (Fair) or below or if A.M. Best withdraws its financial strength rating on any of our material insurance subsidiaries.

Future sales of our common shares and grants of restricted shares may affect the market price of our common shares and the future exercise of options may result in immediate and substantial dilution of the common shares.

As of December 31, 2016 (but without giving effect to unvested restricted shares), we had 79,132,252 common shares outstanding. Approximately 2,653,949 of these outstanding shares were subject to the volume limitations and other conditions of Rule 144 under the Securities Act of 1933, as amended, which we refer to as the “Securities Act.” In addition, we have filed one or more registration statements on Form S-8 under the Securities Act to register common shares issued or reserved for issuance under our Amended and Restated 2005 Long Term Incentive Plan (the “Plan”). The number of common shares that have been reserved for issuance under the Plan is equal to 2,753,292 of which 1,251,411 shares remain available as of December 31, 2016. We cannot predict what effect, if any, future sales of our common shares, or the availability of common shares for future sale, will have on the market price of our common shares. Sales of substantial amounts of our common shares in the public market, or the perception that sales of this type could occur, could depress the market price of our common shares and may make it more difficult for our shareholders to sell their common shares at a time and price that they deem appropriate.

Our Bye-laws authorize our Board of Directors to issue one or more series of common shares and preferred shares without shareholder approval. Specifically, we have an authorized share capital of 571,428,571 shares ($0.175 par value per share), which can consist of common shares and/or preference shares, as determined by our Board of Directors. The Board of Directors has the right to issue the remaining shares without obtaining any approval from our shareholders and to fix the rights, preferences, privileges and restrictions thereof, including dividend rights, conversion rights, voting rights, terms of redemption, liquidation preferences and the number of shares constituting any series or designation of such series. Any issuance of our preferred stock could adversely affect the voting power of the holders of our common shares and could have the effect of delaying, deferring, or preventing the payment of any dividends (including any liquidating dividends) and any change in control of us. If a significant number of either common or preferred shares are issued, it may cause the market price of our common shares to decline.

Our classified board structure may prevent a change in our control.

Our Board of Directors is divided into three classes of directors. Each year one class of directors is elected by the shareholders for a three year term. The staggered terms of our directors may reduce the possibility of a tender offer or an attempt at a change in control, even though a tender offer or change in control might be in the best interest of our shareholders.

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There are provisions in our Bye-laws that reduce the voting rights of voting common shares that are held by a person or group to the extent that such person or group holds more than 9.09% of the aggregate voting power of all common shares entitled to vote on a matter.

In general, and except as provided below, shareholders have one vote for each common share held by them and are entitled to vote at all meetings of shareholders. However, if, and for so long as, the common shares of a shareholder, including any votes conferred by “controlled shares” (as defined below), would otherwise represent more than 9.09% of the aggregate voting power of all common shares entitled to vote on a matter, including an election of directors, the votes conferred by such shares will be reduced by whatever amount is necessary such that, after giving effect to any such reduction (and any other reductions in voting power required by our Bye-laws), the votes conferred by such shares represent 9.09% of the aggregate voting power of all common shares entitled to vote on such matter. “Controlled shares” include, among other things, all shares that a person is deemed to own directly, indirectly or constructively (within the meaning of Section 958 of the Code, or Section 13(d) (3) of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”)). At December 31, 2016, there were 81,602,234 common shares, of which 7,417,643 common shares would confer votes that represent 9.09% of the aggregate voting power of all common shares entitled to vote generally at an election of directors. An investor who does not hold, and is not deemed under the provisions of our Bye-laws to own, any of our common shares may therefore purchase up to such amount without being subject to voting cutback provisions in our Bye-laws.

In addition, we have the authority under our Bye-laws to request information from any shareholder for the purpose of determining ownership of controlled shares by such shareholder.

There are regulatory limitations on the ownership and transfer of our common shares which could result in the delay or denial of any transfers shareholders might seek to make.

The BMA must approve all issuances and transfers of securities of a Bermuda exempt company except where a general permission applies under the Exchange Control Act 1972 and related regulations. We have received permission from the BMA to issue our common shares and securities, and for the free transferability of our common shares and securities, as long as the common shares are listed on the New York Stock Exchange or other appointed exchange, to and among persons who are residents and non-residents of Bermuda for exchange control purposes. Any other transfers remain subject to approval by the BMA and such approval may be denied or delayed. Additionally issuances and transfers of voting or controlling shares of Bermuda registered insurance subsidiaries requires application to, or notification to, the BMA Insurance Division (depending on the circumstances) pursuant to the Insurance Act.

A shareholder of our Company may have greater difficulties in protecting its interests than as a shareholder of a U.S. corporation.

The Companies Act 1981 (the “Companies Act”), which applies to us, differs in material respects from laws generally applicable to U.S. corporations and their shareholders. Taken together with the provisions of our Bye-laws, some of these differences may result in a shareholder having greater difficulties in protecting its interests as a shareholder of our company than it would have as a shareholder of a U.S. corporation. This affects, among other things, the circumstances under which transactions involving an interested director are voidable, whether an interested director can be held accountable for any benefit realized in a transaction with our Company, what approvals are required for business combinations by our Company with a large shareholder or a wholly owned subsidiary, what rights a shareholder may have as a shareholder to enforce specified provisions of the Companies Act or our Bye-laws, and the circumstances under which we may indemnify our directors and officers.

We are a Bermuda company and it may be difficult for our shareholders to enforce judgments against us or against our directors and executive officers.

We were incorporated under the laws of Bermuda and our business is based in Bermuda. In addition, certain of our directors and officers reside outside the United States, and a portion of our assets and the assets of such persons may be located in jurisdictions outside the United States. As such, it may be difficult or impossible to effect service of process within the United States upon us or those persons, or to recover against us or them on judgments of U.S. courts, including judgments predicated upon the civil liability provisions of the U.S. federal securities laws. Further, no claim may be brought in Bermuda against us or our directors and officers in the first instance for violation of U.S. federal securities laws because these laws have no extraterritorial application under Bermuda law and do not have force of law in Bermuda; however, a Bermuda court may impose civil liability, including the possibility of monetary damages, on us or our directors and officers if the facts alleged in a complaint constitute or give rise to a cause of action under Bermuda law. Currently, of our executive officers, Kean Driscoll, Jeffrey Sangster, Robert Kuzloski, Michael Moore, Patrick Boisvert and Lixin Zeng reside in Bermuda, Edward Noonan, Romel Salam and Andrew Kudera maintain residences in both Bermuda and the United States, Peter Bilsby resides in the United Kingdom and the remainder reside in the United States. Of our directors, Edward Noonan maintains residences in both Bermuda and the United States, Jean-Marie Nessi resides in France, Michael Carpenter resides in the United Kingdom and the remainder reside in the United States.

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We have been advised by Bermuda counsel that there is doubt as to whether the courts of Bermuda would enforce judgments of U.S. courts obtained in actions against us or our directors and officers, predicated upon the civil liability provisions of the U.S. federal securities laws, or original actions brought in Bermuda against us or such persons predicated solely upon U.S. federal securities laws. Further, we have been advised by Bermuda counsel that there is no treaty in effect between the United States and Bermuda providing for the enforcement of judgments of U.S. courts in civil and commercial matters, and there are grounds upon which Bermuda courts may decline to enforce the judgments of U.S. courts. Some remedies available under the laws of U.S. jurisdictions, including some remedies available under the U.S. federal securities laws, may not be allowed in Bermuda courts as contrary to public policy in Bermuda. Because judgments of U.S. courts are not automatically enforceable in Bermuda, it may be difficult for our shareholders to recover against us based upon such judgments.

Item 1B.    Unresolved Staff Comments

None.

Item 2.    Properties

The Company and its subsidiaries occupy office space in Australia, Bermuda, Canada, Chile, England, Ireland, Malaysia, Singapore, Switzerland, United Arab Emirates and the United States. We renew and enter into leases in the ordinary course of business as required. We believe our current facilities and the leaseholds with respect thereto are sufficient for us to conduct our operations. The main operating locations of the Company and its primary leaseholders are as follows:

Legal entity	Location	Expiration date
Validus Holdings, Ltd.	Pembroke, Bermuda	December 31, 2021
Validus Research Inc.	Waterloo, Canada	March 31, 2020
Validus Specialty, Inc.	New York, New York, USA	June 30, 2032
Talbot Holdings Ltd. and Talbot Underwriting Services Ltd.	London, England	June 22, 2024
Validus Reinsurance (Switzerland) Ltd	Zurich, Switzerland	January 31, 2019
Western World Insurance Group, Inc.	Parsippany, New Jersey, USA	March 31, 2030

Item 3.    Legal Proceedings

During the normal course of business, the Company and its subsidiaries are subject to litigation and arbitration. Legal proceedings such as claims litigation are common in the insurance and reinsurance industry in general. The Company and its subsidiaries may be subject to lawsuits and regulatory actions in the normal course of business that do not arise from or directly relate to claims on reinsurance treaties or contracts or insurance policies.

Litigation typically can include, but is not limited to, allegations of underwriting errors or misconduct, employment claims, regulatory activity, shareholder disputes or disputes arising from business ventures. These events are difficult, if not impossible, to predict with certainty. It is Company policy to dispute all allegations against the Company and/or its subsidiaries that management believes are without merit.

As at December 31, 2016, the Company was not a party to, or involved in any litigation or arbitration that it believes could have a material adverse effect on the financial condition, results of operations or liquidity of the Company.

Item 4.    Mine Safety Disclosure

Not applicable.

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PART II

All amounts presented in this part are in U.S. dollars except as otherwise noted.

Item 5.    Market for Registrant’s Common Equity, Related Shareholder Matters and Issuer Purchases of Equity Securities

The Company’s common shares are listed on the New York Stock Exchange (“NYSE”) under the symbol “VR.” On February 22, 2017, the last reported sale price for the Company’s common shares was $57.74 per share.

The following tables set forth the high and low sales prices per share, as reported on the NYSE Composite Tape, of the Company’s common shares per fiscal quarter for the two most recent fiscal years.

	2016				2015
Period	High		Low		High		Low
1st Quarter	$	47.58	$	41.73	$	42.34	$	38.88
2nd Quarter	$	48.77	$	44.23	$	45.50	$	41.50
3rd Quarter	$	51.43	$	47.14	$	47.49	$	42.81
4th Quarter	$	56.41	$	48.77	$	48.49	$	42.00

On December 31, 2016, the number of holders of record for the Company’s common shares were 42. This figure does not represent the actual number of beneficial owners of our common shares because such shares are frequently held in “street name” by securities dealers and others for the benefit of individual owners.

Performance Graph

The following graph compares the cumulative total shareholder return on the Company’s common shares, including reinvestment of dividends on our common shares, as compared to the cumulative total return of the S&P 500 Composite Stock Price Index (“S&P 500”) and the cumulative total return of an index of the Company’s peer group for the five year period commencing December 31, 2011 and ending December 31, 2016, assuming $100 was invested on December 31, 2011.

The Company’s peer group index is comprised of the following companies: Allied World Assurance Company Holdings, Ltd., Arch Capital Group, Ltd., Argo Group International Holdings, Ltd., Aspen Insurance Holdings Limited, AXIS Capital Holdings Limited, Endurance Specialty Holdings Ltd., Everest Re Group, Ltd., and RenaissanceRe Holdings Ltd.

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Dividend Policy

We are a holding company and have no direct operations. Our ability to pay dividends depends, in part, on the ability of our principal operating subsidiaries to pay dividends to us. As a holding company, Validus Holdings, Ltd.'s principal source of income is dividends or other sources of permitted payments from its subsidiaries. These funds provide the cash flow required for dividend payments to the Company's shareholders. As at December 31, 2016, the Bermuda regulated subsidiaries have the ability to distribute up to $1,335.3 million of unrestricted net assets as dividend payments or return of capital to Validus Holdings, Ltd. without prior regulatory approval. For addition information refer to Part 1, Item 1, “Business—Regulation,” Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Sources of Liquidity,” and Note 27 to the Consolidated Financial Statements, “Statutory and regulatory requirements,” in Part II, Item 8.

For the years ended December 31, 2016 and 2015, the Company declared and paid quarterly dividends of $0.35 and $0.32 per common share, respectively. The Company also declared and paid a cash dividend of $0.3753472 per depositary share during the quarter ended September 30, 2016 and $0.3671875 per depositary share during the quarter ended December 31, 2016 on its outstanding Series A Preferred Shares. These dividends were paid on September 15, 2016 and December 15, 2016, to holders of record on September 1, 2016 and December 1, 2016, respectively.

On February 9, 2017, the Company announced a quarterly cash dividend of $0.38 per common share, payable on March 31, 2017 to shareholders of record as of March 15, 2017 and a cash dividend of $0.3671875 per depositary share on the outstanding Series A Preferred Shares, payable on March 15, 2017 to shareholders of record on March 1, 2017.

Issuer Repurchases of Equity Securities

On February 3, 2015, the Board of Directors of the Company approved an increase to the Company’s common share repurchase authorization to $750.0 million. This amount is in addition to the $2.3 billion of common shares repurchased by the Company through February 3, 2015 under its previously authorized share repurchase programs. The common share repurchase program (“the Program”) may be modified, extended or terminated by the Board of Directors at any time. Unless terminated earlier by resolution of the Board of Directors of the Company, the Program will expire when the Company has repurchased the full value of the common shares authorized.

Share repurchases include repurchases by the Company from time to time of shares from employees in order to facilitate the payment of withholding taxes on restricted shares which have vested. The Company repurchases these shares at their fair market value, as determined by reference to the closing price of our common shares on the day the restricted shares vested.

The table below details the following repurchases that were made under the Program through to February 22, 2017.

	Total shares repurchased under publicly announced repurchase program
(Dollars in thousands, except share and per share amounts)	Total number of shares repurchased	Aggregate Purchase Price (a)		Average Price per Share (a)		Approximate dollar value of shares that may yet be purchased under the Program
Cumulative inception-to-date to December 31, 2015	76,031,280	$	2,491,731	$	32.77	$	532,670
Cumulative for the nine months ended September 30, 2016	4,160,168	196,015		$	47.12	$	336,655
October 1 - 31, 2016	81,174	4,029		$	49.63	$	332,626
November 1 - 30, 2016	174,734	9,250		$	52.94	$	323,376
December 1 - 31, 2016	61,493	3,381		$	54.98	$	319,995
Cumulative for the three months ended December 31, 2016	317,401	16,660		$	52.49
Cumulative for the year ended December 31, 2016	4,477,569	212,675		$	47.50
Cumulative inception-to-date to December 31, 2016	80,508,849	$	2,704,406	$	33.59	$	319,995
Repurchases made subsequent to year-end:
January 1 - 31, 2017	—	$	—	$	—	$	319,995
February 1 - 22, 2017	—	$	—	$	—	$	319,995

(a) Share transactions are on a trade date basis through February 22, 2017 and are inclusive of commissions. Average share price is rounded to two decimal places.

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Item 6.    Selected Financial Data

The following tables set forth our selected historical consolidated financial information for the last five years ended December 31. The Company was formed on October 19, 2005 and completed the acquisitions of Talbot, IPC, Flagstone and Western World on July 2, 2007, September 4, 2009, November 30, 2012 and October 2, 2014, respectively. Flagstone is included in the Company’s consolidated results for the one month ended December 31, 2012 and for subsequent fiscal year ends. Western World is included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

	Years Ended December 31,
(Dollars in thousands)	2016			2015			2014			2013			2012
Revenues
Gross premiums written	$	2,648,705		$	2,557,506		$	2,358,865		$	2,388,446		$	2,284,917
Reinsurance premiums ceded	(289,705		)	(328,681		)	(313,208		)	(375,800		)	(307,506		)
Net premiums written	2,359,000			2,228,825			2,045,657			2,012,646			1,977,411
Change in unearned premiums	(109,835		)	18,064			(52,602		)	86,149			14,315
Net premiums earned	2,249,165			2,246,889			1,993,055			2,098,795			1,991,726
Gain on bargain purchase, net of expenses (a)	—			—			—			—			17,701
Net investment income	150,385			127,824			100,086			96,089			107,947
Net realized gains (losses) on investments	15,757			2,298			14,917			(764		)	18,233
Change in net unrealized gains (losses) on investments	16,871			(32,395		)	(2,842		)	(52,419		)	36,766
(Loss) income from investment affiliate	(2,083		)	4,281			8,411			4,790			(964		)
Other insurance related income and other income (loss)	2,195			5,111			1,229			(6,607		)	22,362
Foreign exchange gains (losses)	10,864			(8,731		)	(12,181		)	3,949			5,084
Total revenues	2,443,154			2,345,277			2,102,675			2,143,833			2,198,855
Expenses
Losses and loss expenses	1,065,097			977,833			765,015			776,796			1,035,390
Policy acquisition costs	449,482			410,058			339,467			360,403			349,766
General and administrative expenses	336,294			363,709			329,362			316,008			276,092
Share compensation expenses	42,907			38,341			33,073			27,630			26,709
Finance expenses	58,520			74,742			68,324			68,007			59,710
Transaction expenses (b)	—			—			8,096			—			—
Total expenses	1,952,300			1,864,683			1,543,337			1,548,844			1,747,667
Income before taxes, (loss) income from operating affiliate and (income) attributable to AlphaCat investors	490,854			480,594			559,338			594,989			451,188
Tax benefit (expense)	19,729			(6,376		)	(155		)	(383		)	(2,501		)
(Loss) income from operating affiliate	(23		)	(3,949		)	(4,340		)	542			(1,758		)
(Income) attributable to AlphaCat investors	(23,358		)	(2,412		)	—			—			—
Net income	487,202			467,857			554,843			595,148			446,929
Net (income) attributable to noncontrolling interests	(123,363		)	(92,964		)	(74,880		)	(62,482		)	(38,491		)
Net income available to Validus	363,839			374,893			479,963			532,666			408,438
Dividends on preferred shares	(4,455		)	—			—			—			—
Net income available to Validus common shareholders	$	359,384		$	374,893		$	479,963		$	532,666		$	408,438

(a) The gain on bargain purchase, net of expenses, arose from the acquisition of Flagstone on November 30, 2012 and is net of transaction related expenses.

(b) Transaction expenses incurred during 2014 relate to the acquisition of Western World. Transaction expenses are primarily comprised of legal, financial advisory and audit related services.

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	Years Ended December 31,
	2016			2015			2014			2013			2012
Earnings per share
Weighted average number of common shares and common share equivalents outstanding
Basic	81,041,974			83,107,236			90,354,745			102,202,274			97,184,110
Diluted	82,359,460			86,426,760			94,690,271			103,970,289			102,384,923
Basic earnings per share available to common shareholders	$	4.43		$	4.47		$	5.24		$	5.02		$	4.13
Earnings per diluted share available to common shareholders	$	4.36		$	4.34		$	5.07		$	4.94		$	3.99
Cash dividends declared per share	$	1.40		$	1.28		$	1.20		$	3.20		$	1.00
Selected financial ratios:
Losses and loss expense ratio (a)	47.4		%	43.5		%	38.4		%	37.0		%	52.0		%
Policy acquisition cost ratio (b)	20.0		%	18.3		%	17.0		%	17.1		%	17.6		%
General and administrative expense ratio (c)	16.8		%	17.9		%	18.2		%	16.4		%	13.8		%
Expense ratio (d)	36.8		%	36.2		%	35.2		%	33.5		%	31.4		%
Combined ratio (e)	84.2		%	79.7		%	73.6		%	70.5		%	83.4		%
Return on average equity (f)	9.7		%	10.3		%	13.0		%	14.0		%	11.3		%

(a) The losses and loss expense ratio is calculated by dividing losses and loss expenses by net premiums earned.

(b) The policy acquisition cost ratio is calculated by dividing policy acquisition costs by net premiums earned.

(c) The general and administrative expense ratio is calculated by dividing the sum of general and administrative expenses and share compensation expenses by net premiums earned.

(d) The expense ratio is calculated by combining the policy acquisition cost ratio and the general and administrative expense ratio.

(e) The combined ratio is calculated by combining the losses and loss expense ratio, the policy acquisition cost ratio and the general and administrative expense ratio.

(f) Return on average equity is calculated by dividing the net income available to Validus common shareholders for the period by the average of the beginning, ending and intervening quarter end shareholders’ equity available to Validus common shareholders balances.

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The following table sets forth summarized balance sheet data as at December 31^st for the last five years:

	December 31,
(Dollars in thousands, except share and per share amounts)	2016		2015		2014		2013		2012
Investments at fair value	$	8,845,343	$	7,876,495	$	7,444,634	$	6,739,461	$	7,225,646
Cash and cash equivalents and restricted cash	490,932		796,379		723,404		929,825		1,138,096
Total assets	11,349,755		10,515,812		10,112,564		9,457,046		10,266,212
Reserve for losses and loss expenses	2,995,195		2,996,567		3,243,147		3,047,933		3,553,604
Unearned premiums	1,076,049		966,210		989,229		822,280		903,734
Senior notes payable	245,362		245,161		244,960		244,758		244,556
Debentures payable	537,226		537,668		539,277		541,416		540,709
Total shareholders’ equity available to Validus	$	3,838,291	$	3,638,975	$	3,586,586	$	3,704,094	$	4,020,827
Book value per common share (a)	$	46.61	$	43.90	$	42.76	$	38.57	$	37.26
Book value per diluted common share (b)	44.97		42.33		39.65		36.23		35.22
Tangible book value per common share (c)	42.66		40.06		38.91		37.25		36.04
Tangible book value per diluted common share (d)	$	41.16	$	38.63	$	36.19	$	35.03	$	34.11

(a) Book value per common share is defined as total shareholders’ equity available to Validus common shareholders divided by the number of common shares outstanding as at the end of the period, giving no effect to dilutive securities.

(b) Book value per diluted common share is calculated based on total shareholders’ equity available to Validus common shareholders plus the assumed proceeds from the exercise of outstanding options and warrants, divided by the sum of common shares, unvested restricted shares and options and warrants outstanding (assuming their exercise). Book value per diluted common share is a non-GAAP financial measure, which are described in the section entitled “Non-GAAP Financial Measures.”

(c) Tangible book value per common share is defined as total shareholders’ equity available to Validus common shareholders, less goodwill and other intangible assets, divided by the number of common shares outstanding as at the end of the period, giving no effect to dilutive securities. Tangible book value per common share is a non-GAAP financial measure, which are described in the section entitled “Non-GAAP Financial Measures.”

(d) Tangible book value per diluted common share is calculated based on total shareholders’ equity available to Validus common shareholders, less goodwill and other intangible assets, plus the assumed proceeds from the exercise of outstanding options and warrants, divided by the sum of common shares, unvested restricted shares and options outstanding and warrants (assuming their exercise). Tangible book value per diluted common share is a non-GAAP financial measure, which are described in the section entitled “Non-GAAP Financial Measures.”

The above summary consolidated financial information should be read together with the other information contained in this Annual Report on Form 10-K, including “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and the Consolidated Financial Statements and related notes included elsewhere herein.

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Item 7.    Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following is a discussion and analysis of the Company’s consolidated results of operations for the years ended December 31, 2016, 2015 and 2014 and the Company’s consolidated financial condition, liquidity and capital resources at December 31, 2016 and 2015. This discussion and analysis should be read in conjunction with the Company’s audited Consolidated Financial Statements and related notes thereto included elsewhere within this filing.

For a variety of reasons, the Company’s historical financial results may not accurately indicate future performance. See “Cautionary Note Regarding Forward-Looking Statements.” The Risk Factors set forth in Item 1A above present a discussion of important factors that could cause actual results to differ materially from the results described in or implied by the forward-looking statements contained herein.

Table of Contents
Section	Page
Executive Overview	48
Business Outlook and Trends	48
Financial Measures	49
Results of Operations - Fourth Quarter 2016	51
Results of Operations - Full Year 2016, 2015 and 2014	64
Validus Re Segment	67
Talbot Segment	74
Western World Segment	81
AlphaCat Segment	85
Corporate and Investments	87
Non-GAAP Financial Measures	90
Liquidity and Capital Resources	93
Investments	93
Reserve for Losses and Loss Expenses	96
Sources of Liquidity	99
Capital Resources	101
Contractual Obligations and Commitments	102
Goodwill and Other Intangible Assets	103
Off-Balance Sheet Arrangements	103
Ratings	103
Critical Accounting Policies and Estimates	104
Cautionary Note Regarding Forward-Looking Statements	113

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Executive Overview

The Company conducts its operations worldwide through four operating segments which have been determined under U.S. GAAP segment reporting to be Validus Re, Talbot, Western World, and AlphaCat.

In addition, the Company has a corporate and investment function (“Corporate and Investments”), which includes the activities of the parent company, and which carries out certain functions for the group, including investment management. Corporate and Investments includes investment income on a managed basis and other non-segment expenses, predominantly general and administrative, stock compensation and finance expenses. Corporate and Investments also denotes the activities of certain key executives such as the Chief Executive Officer and Chief Financial Officer. For internal reporting purposes, Corporate and Investments is reflected separately; however, it is not considered an operating segment. The Company’s corporate expenses, capital servicing and debt costs and investment results are presented separately within the corporate and investments discussion.

The Company’s strategy is to concentrate primarily on short-tail risks, which has been an area where management believes prices and terms provide an attractive risk-adjusted return and the management team has proven expertise. The Company’s profitability in any given period is a function of net earned premium and investment revenues, less net losses and loss expenses, acquisition expenses and operating expenses. The Company’s insurance and reinsurance portfolio, as measured by gross premium written, was comprised of 43% insurance and 57% reinsurance for the year ended December 31, 2016 compared to 46% insurance and 54% reinsurance for the year ended December 31, 2015. Financial results in the insurance and reinsurance industry are influenced by the frequency and/or severity of claims and losses, including as a result of catastrophic events; changes in interest rates, financial markets and general economic conditions; the supply of insurance and reinsurance capacity and changes in legal, regulatory and judicial environments.

Business Outlook and Trends

We underwrite global property insurance and reinsurance and have large aggregate exposures to natural and man-made disasters. The occurrence of claims from catastrophic events results in substantial volatility, and can have material adverse effects on the Company’s financial condition and results and its ability to write new business. This volatility affects results for the period in which the loss occurs because U.S. GAAP does not permit reinsurers to reserve for such catastrophic events until they occur. Catastrophic events of significant magnitude historically have been relatively infrequent, although management believes the property catastrophe reinsurance market has experienced a higher level of worldwide catastrophic losses in terms of both frequency and severity in the period from 1992 to the present. We also expect that increases in the values and concentrations of insured property will increase the severity of such occurrences in the future. The Company seeks to reflect these types of trends when pricing contracts.

Property and other reinsurance premiums have historically risen in the aftermath of significant catastrophic losses. As loss reserves are established, industry surplus is depleted and the industry’s capacity to write new business diminishes. The global property and casualty insurance and reinsurance industry has historically been highly cyclical. Since 2007, increased capital provided by new entrants or by the commitment of capital by existing insurers and reinsurers increased the supply of insurance and reinsurance which resulted in a softening of rates on most lines. From 2010 to 2012, there was an increased level of catastrophe activity, principally the Chilean earthquake, Deepwater Horizon, the Tohoku earthquake, the New Zealand earthquakes and Superstorm Sandy, but the Company continues to see increased competition and decreased premium rates in most classes of business. In the absence of significant catastrophes in recent years, the market supply of capital is greater than the demand and therefore we expect to see continued pressure on rates in the near term.

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The following tables present the Validus Re and AlphaCat segments’ January 2017 and 2016 reinsurance renewals by line of business:

	Validus Re segment premium (a)
	Property						Specialty						Marine			Total
(Dollars in thousands)	U.S.			International			Casualty			Other Specialty
2017	$	96,601		$	97,719		$	21,783		$	151,081		$	98,489		$	465,673
2016	$	93,782		$	92,302		$	22,643		$	137,942		$	95,310		$	441,979
Increase (Decrease)	3.0		%	5.9		%	(3.8		)%	9.5		%	3.3		%	5.4		%
	AlphaCat segment premium
	Property						Specialty						Marine			Total
(Dollars in thousands)	U.S.			International			Casualty			Other Specialty
2017	$	136,574		$	21,538		$	—		$	5,128		$	—		$	163,240
2016	$	127,192		$	37,942		$	—		$	3,346		$	—		$	168,480
Increase (Decrease)	7.4		%	(43.2		)%	—			53.3		%	—			(3.1		)%
	Validus Re and AlphaCat segments’ combined premium (a)
	Property						Specialty						Marine			Total
(Dollars in thousands)	U.S.			International			Casualty			Other Specialty
2017	$	233,175		$	119,257		$	21,783		$	156,209		$	98,489		$	628,913
2016	$	220,974		$	130,244		$	22,643		$	141,288		$	95,310		$	610,459
Increase (Decrease)	5.5		%	(8.4		)%	(3.8		)%	10.6		%	3.3		%	3.0		%

(a) The renewal data above does not include intercompany eliminations between Validus Re and Talbot.

During the January 2017 renewal season, the Validus Re and AlphaCat segments underwrote $628.9 million in gross premiums written (excluding U.S. agriculture premiums and net of intercompany eliminations between Validus Re and AlphaCat), an increase of 3.0% from the prior year renewal period. This increase was driven by an increase in U.S. property, marine and other specialty renewals and was partially offset by decreases in international property and casualty renewals. Terms and conditions across the market were generally unchanged, however the overall market continues to see downwards pressure on rates in the low single-digits.

Business written by the Talbot and Western World segments is distributed evenly throughout the year. Through December 31, 2016, the Talbot segment experienced a whole account rate decrease of approximately 5.8% driven primarily by decreases in the downstream energy and power and political lines. The Western World segment experienced a whole account rate increase of approximately 0.5% through December 31, 2016.

Financial Measures

The Company believes that the key financial indicator for evaluating our performance and measuring the overall growth in value generated for its shareholders is book value per diluted common share plus accumulated dividends.

Book value per diluted common share plus accumulated dividends, together with other key book value financial indicators, are shown in the table below:

	December 31, 2016	December 31, 2015
Book value per diluted common share plus accumulated dividends (a)	$56.53	$52.49
Book value per diluted common share (a)	$44.97	$42.33
Tangible book value per diluted common share (a)	$41.16	$38.63

(a) These are non-GAAP financial measures which are described in the section entitled “Non-GAAP Financial Measures.”

Book value per diluted common share plus accumulated dividends is considered by management to be the key financial indicator of performance, as the Company believes growth in book value on a diluted basis, plus the dividends that have accumulated, ultimately translates into the return that a shareholder will receive. Book value per diluted common share plus accumulated dividends is calculated based on total shareholders’ equity available to Validus excluding the $150.0 million liquidation value of the preferred shares, plus the assumed proceeds from the exercise of outstanding options; divided by the sum of common shares, unvested restricted shares and options outstanding (assuming their exercise), plus accumulated dividends. Book value per diluted common share plus accumulated dividendsincreased by $4.04, or 7.7%, from $52.49 at December 31, 2015 to $56.53 at December 31, 2016. Cash

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dividends per common share are an integral part of the value created for shareholders. During the year ended December 31, 2016 the Company paid cash dividends of $1.40 (2015: $1.28) per common share.

Book value per diluted common share is considered by management to be a measure of returns to common shareholders, as the Company believes growth in book value on a diluted basis ultimately translates into growth in stock price. Book value per diluted common share after dividends paid increased by $2.64, or 6.2%, from $42.33 at December 31, 2015 to $44.97 at December 31, 2016. Growth in book value per diluted common share inclusive of dividends was 9.5% and 10.0% for the year ended December 31, 2016 and 2015, respectively. All outstanding warrants expired on December 12, 2015 and no further warrants are anticipated to be issued.

Tangible book value per diluted common share is considered by management to be a measure of returns to common shareholders excluding goodwill and other intangible assets, as the Company believes growth in tangible book value on a diluted basis ultimately translates into growth in the tangible value of the Company. Tangible book value per diluted common share is calculated based on total shareholders’ equity available to Validus excluding the $150.0 million liquidation value of the preferred shares, less goodwill and other intangible assets, plus the assumed proceeds from the exercise of outstanding options; divided by the sum of common shares, unvested restricted shares, options outstanding (assuming their exercise). Tangible book value per diluted common share increased by $2.53, or 6.5%, from $38.63 at December 31, 2015 to $41.16 at December 31, 2016.

The Company believes that the following other financial indicators are beneficial in evaluating our performance and measuring the overall growth in value generated for shareholders:

	Years Ended December 31,
(Dollars in thousands)	2016	2015	2014
Underwriting income (a)	$358,346	$463,061	$529,610
Net operating income available to Validus common shareholders (a)	$319,198	$409,749	$480,762
Return on average equity	9.7%	10.3%	13.0%
Net operating return on average equity (a)	8.6%	11.3%	13.1%

(a) This is a non-GAAP financial measure which is described in the section entitled “Non-GAAP Financial Measures.”

Underwriting income measures the performance of the Company’s core underwriting function, excluding revenues and expenses such as net investment income, finance expenses, dividends on preferred shares, tax (expense) benefit, income (loss) from operating affiliate, (income) attributable to AlphaCat investors, net realized and change in unrealized gains (losses) on investments, income (loss) from investment affiliates, foreign exchange gains (losses), other income (loss), non-recurring items and net (income) attributable to noncontrolling interests. The Company believes the reporting of underwriting income enhances the understanding of results by highlighting the underlying profitability of the Company’s core insurance and reinsurance operations. Underwriting income for the years ended December 31, 2016, 2015 and 2014 was $358.3 million, $463.1 million and $529.6 million, respectively.

Net operating income available to Validus common shareholders is defined as net income (loss) excluding net realized and change in net unrealized gains (losses) on investments, income (loss) from investment affiliates, foreign exchange gains (losses), other income (loss), non-recurring items and operating (income) attributable to noncontrolling interests. This measure focuses on the underlying fundamentals of the Company’s operations without the influence of gains (losses) from the sale of investments, translation of non-U.S. dollar currencies, non-recurring items and (income) attributable to noncontrolling interests. Net operating income available to Validus common shareholders for the years ended December 31, 2016, 2015 and 2014 was $319.2 million, $409.7 million and $480.8 million, respectively.

Return on average equity represents the return generated on common shareholders’ equity during the year. Return on average equity is calculated by dividing the net income available to Validus common shareholders for the year by the average shareholders’ equity available to Validus during the year. Average shareholders’ equity is the average of the beginning, ending and intervening quarter end shareholders’ equity balances, excluding the $150.0 million liquidation value of the preferred shares. The Company’s objective is to generate superior returns on capital that appropriately reward shareholders for the risks assumed. The return on average equity for the years ended December 31, 2016, 2015 and 2014 was 9.7%, 10.3% and 13.0%, respectively.

Net operating return on average equity represents the net operating return generated on common shareholders’ equity during the year. Net operating return on average equity is calculated by dividing the net operating income available to Validus common shareholders for the year by the average shareholders’ equity available to Validus during the year. Average shareholders’ equity is the average of the beginning, ending and intervening quarter end shareholders’ equity balances, excluding the $150.0 million liquidation value of the preferred shares. The net operating return on average equity for the years ended December 31, 2016, 2015 and 2014 was 8.6%, 11.3% and 13.1%, respectively.

For further discussion of the components driving the Company’s financial indicators refer to the “Results of Operations” sections below.

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Results of Operations - Fourth Quarter 2016 - Consolidated

The following table presents the results of operations for the three months ended December 31, 2016 and 2015:

	Three Months Ended December 31,
(Dollars in thousands)	2016			2015
Underwriting revenues
Gross premiums written	$	339,454		$	309,605
Reinsurance premiums ceded	(40,635		)	(33,128		)
Net premiums written	298,819			276,477
Change in unearned premiums	241,580			266,823
Net premiums earned	540,399			543,300
Other insurance related income	561			969
Total underwriting revenues	540,960			544,269
Underwriting deductions
Losses and loss expenses	275,126			214,748
Policy acquisition costs	120,889			102,285
General and administrative expenses	77,955			98,563
Share compensation expenses	10,442			10,062
Total underwriting deductions	484,412			425,658
Underwriting income (a)	$	56,548		$	118,611
Net investment income	38,153			31,612
Finance expenses	(14,630		)	(16,581		)
Dividends on preferred shares	(2,203		)	—
Tax benefit	21,147			756
Loss from operating affiliate	—			(1,708		)
(Income) attributable to AlphaCat investors	(7,080		)	(974		)
Net (income) attributable to noncontrolling interests	(27,612		)	(26,321		)
Net operating income available to Validus common shareholders (a)	$	64,323		$	105,395
Supplemental information:
Losses and loss expenses:
Current period excluding items below	$	269,301		$	272,889
Current period—notable loss events	52,310			(86		)
Current period—non-notable loss events	302			56
Change in prior accident years	(46,787		)	(58,111		)
Total losses and loss expenses	$	275,126		$	214,748
Selected ratios:
Ratio of net to gross premiums written	88.0		%	89.3		%
Losses and loss expense ratio:
Current period excluding items below	49.8		%	50.2		%
Current period—notable loss events	9.7		%	—		%
Current period—non-notable loss events	0.1		%	—		%
Change in prior accident years	(8.7		)%	(10.7		)%
Losses and loss expense ratio	50.9		%	39.5		%
Policy acquisition cost ratio	22.4		%	18.8		%
General and administrative expense ratio (b)	16.3		%	20.0		%
Expense ratio	38.7		%	38.8		%
Combined ratio	89.6		%	78.3		%

(a) Non-GAAP Financial Measures. In presenting the Company’s results, management has included and discussed underwriting income and operating income that are not calculated under standards or rules that comprise U.S. GAAP. Such measures are referred to as non-GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(b) The general and administrative expense ratio includes share compensation expenses.

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Fourth Quarter 2016 Results

Highlights for the fourth quarter 2016 as compared to 2015 were as follows:

• Gross premiums written for the three months endedDecember 31, 2016 were $339.5 million compared to $309.6 million for the three months endedDecember 31, 2015, an increase of $29.8 million, or 9.6%. The increase was primarily driven by increases in the Validus Re and Western World segments and was partially offset by decreases in the Talbot and AlphaCat segments.

• Underwriting revenues for the three months endedDecember 31, 2016 were $541.0 million compared to $544.3 million for the three months endedDecember 31, 2015, a decrease of $3.3 million or 0.6%.

• Losses and loss expenses for the three months endedDecember 31, 2016 were $275.1 million compared to $214.7 million for the three months endedDecember 31, 2015, an increase of $60.4 million or 28.1%. The increase was primarily driven by an increase in notable loss events during the three months endedDecember 31, 2016.

Notable and Non-notable Loss Events

• The Company defines a notable loss event as an event whereby consolidated net losses and loss expenses aggregate to a threshold greater than or equal to $30.0 million. The Company defines a non-notable loss event as an event whereby consolidated net losses and loss expenses aggregate to a threshold greater than or equal to $15.0 million but less than $30.0 million.

• There were no non-notable loss events occurring during the three months endedDecember 31, 2016. There were no notable or non-notable loss events occurring during the three months endedDecember 31, 2015. Losses and loss expenses incurred from notable loss events during the three months ended December 31, 2016 included losses and loss expenses from the fourth quarter 2016 notable loss events, Hurricane Matthew and the 2016 New Zealand earthquake, and were partially offset by a reduction on the second quarter 2016 notable loss event, the Canadian Wildfires, as follows:

	Three Months Ended December 31, 2016
	Notable Loss Events									Total
(Dollars in thousands)	Hurricane Matthew			2016 New Zealand Earthquake			Canadian Wildfires
Net Losses and Loss Expenses	$	39,140		$	31,421		$	(18,251	)	$	52,310
Less: Net Losses and Loss Expenses Attributable to AlphaCat Third Party Investors and Noncontrolling Interests	(8,943		)	(9,068		)	2,726			(15,285		)
Validus’ Share of Net Losses and Loss Expenses	30,197			22,353			(15,525		)	37,025
Less: Reinstatement Premiums, net	(2,781		)	(65		)	2,136			(710		)
Net Loss Attributable to Validus	$	27,416		$	22,288		$	(13,389	)	$	36,315

• For the three months endedDecember 31, 2016, losses and loss expenses from notable loss events were $52.3 million, or 9.7 percentage points of the loss ratio. Net of losses attributable to AlphaCat investors and noncontrolling interests of $15.3 million and reinstatement premiums of $0.7 million, the net loss attributable to the Company from these events was $36.3 million.

Loss Ratios

• The loss ratio for the three months endedDecember 31, 2016 was 50.9%, which included $46.8 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 8.7 percentage points compared to a loss ratio for the three months endedDecember 31, 2015 of 39.5%, which included $58.1 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 10.7 percentage points. The favorable loss reserve development on prior accident years of $46.8 million was primarily due to favorable development on attritional losses of $41.5 million and favorable development on events of $5.3 million. The favorable loss reserve development on prior accident years of $58.1 million was primarily due to favorable development of attritional losses of $48.1 million and favorable development on events of $10.0 million. The term “events” refers to aggregate notable and non-notable losses incurred.

• The combined ratio for the three months endedDecember 31, 2016 was 89.6% compared to 78.3% for the three months endedDecember 31, 2015, an increase of 11.3 percentage points.

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• Loss ratios by line of business for the three months endedDecember 31, 2016 and 2015 were as follows:

	Three Months Ended December 31,
	2016		2015
Property	50.4	%	25.7	%
Marine	50.0	%	34.7	%
Specialty	46.6	%	54.2	%
Liability	68.0	%	61.8	%
All lines	50.9	%	39.5	%

• Policy acquisition costs for the three months endedDecember 31, 2016 were $120.9 million compared to $102.3 million for the three months endedDecember 31, 2015, an increase of $18.6 million or 18.2%. The increase was primarily driven by an increase in the Validus Re segment as a result of profit commissions on agriculture business.

• General and administrative expensesfor the three months endedDecember 31, 2016 were $78.0 million compared to $98.6 million for the three months endedDecember 31, 2015, a decrease of $20.6 million or 20.9%. The decrease was primarily driven by a decrease in the performance bonus accrual.

• Underwriting income for the three months endedDecember 31, 2016 was $56.5 million compared to $118.6 million for the three months endedDecember 31, 2015, a decrease of $62.1 million or 52.3% primarily as a result of the changes in underwriting revenues and deductions described above.

• Net operating income available to Validus common shareholders for the three months endedDecember 31, 2016 was $64.3 million compared to $105.4 million for the three months endedDecember 31, 2015, a decrease of $41.1 million, or 39.0%.

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Results of Operations - Fourth Quarter 2016 - Validus Re Segment

The following table presents underwriting income for the three months ended December 31, 2016 and 2015:

	Three Months Ended December 31,
	2016												2015
(Dollars in thousands)	Property			Marine			Specialty			Total			Property			Marine			Specialty			Total
Underwriting revenues
Gross premiums written	$	10,533		$	(4,178	)	$	32,480		$38,835			$	15,563		$	(681	)	$	(533	)	$	14,349
Reinsurance premiums ceded	99			22			(27		)	94			(305		)	69			149			(87		)
Net premiums written	10,632			(4,156		)	32,453			38,929			15,258			(612		)	(384		)	14,262
Change in unearned premiums	87,112			28,203			70,269			185,584			92,252			34,938			90,462			217,652
Net premiums earned	97,744			24,047			102,722			224,513			107,510			34,326			90,078			231,914
Other insurance related income										52												257
Total underwriting revenues										224,565												232,171
Underwriting deductions
Losses and loss expenses	39,221			5,034			53,801			98,056			30,061			11,272			59,152			100,485
Policy acquisition costs	17,207			5,459			30,714			53,380			16,601			6,766			14,111			37,478
Total underwriting deductions before G&A	56,428			10,493			84,515			151,436			46,662			18,038			73,263			137,963
Underwriting income before G&A	$	41,316		$	13,554		$	18,207		$	73,129		$	60,848		$	16,288		$	16,815		$	94,208
General and administrative expenses										20,191												20,174
Share compensation expenses										2,663												2,685
Total underwriting deductions										174,290												160,822
Underwriting income (a)										$	50,275											$	71,349
Supplemental information:
Losses and loss expenses:
Current period excluding items below	$	25,966		$	13,844		$	66,661		$	106,471		$	41,899		$	21,231		$	59,577		$	122,707
Current period—notable loss events	19,108			1,420			—			20,528			12			276			—			288
Current period—non-notable loss events	(1		)	(762		)	759			(4		)	56			—			—			56
Change in prior accident years	(5,852		)	(9,468		)	(13,619		)	(28,939		)	(11,906		)	(10,235		)	(425		)	(22,566		)
Total losses and loss expenses	$	39,221		$	5,034		$	53,801		$	98,056		$	30,061		$	11,272		$	59,152		$	100,485
Selected ratios:
Ratio of net to gross premiums written	100.9		%	99.5		%	99.9		%	100.2		%	98.0		%	89.9		%	72.0		%	99.4		%
Losses and loss expense ratio:
Current period excluding items below	26.6		%	57.6		%	65.0		%	47.5		%	39.0		%	61.9		%	66.2		%	52.9		%
Current period—notable loss events	19.5		%	5.9		%	—		%	9.1		%	—		%	0.8		%	—		%	0.1		%
Current period—non-notable loss events	—		%	(3.2		)%	0.7		%	—		%	0.1		%	—		%	—		%	—		%
Change in prior accident years	(6.0		)%	(39.4		)%	(13.3		)%	(12.9		)%	(11.1		)%	(29.8		)%	(0.5		)%	(9.7		)%
Losses and loss expense ratio	40.1		%	20.9		%	52.4		%	43.7		%	28.0		%	32.9		%	65.7		%	43.3		%
Policy acquisition cost ratio	17.6		%	22.7		%	29.9		%	23.8		%	15.4		%	19.7		%	15.7		%	16.1		%
General and administrative expense ratio (b)										10.1		%										9.9		%
Expense ratio										33.9		%										26.0		%
Combined ratio										77.6		%										69.3		%

(a) Non-GAAP Financial Measures. In presenting the Company’s results, management has included and discussed underwriting income that is not calculated under standards or rules that comprise U.S. GAAP. Such measures are referred to as non-GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(b) The general and administrative expense ratio includes share compensation expenses.

54

Summarized Results of Operations - Fourth Quarter 2016 - Validus Re Segment

Highlights for the fourth quarter 2016 as compared to 2015 were as follows:

• Gross premiums written for the three months endedDecember 31, 2016 were $38.8 million compared to $14.3 million for the three months endedDecember 31, 2015, an increase of $24.5 million, or 170.6%. Gross premiums written for the three months endedDecember 31, 2016 included $10.5 million of property premiums, $(4.2) million of marine premiums and $32.5 million of specialty premiums, compared to $15.6 million of property premiums, $(0.7) million of marine premiums and $(0.5) million of specialty premiums for the three months endedDecember 31, 2015. The increase in the specialty lines of $33.0 million was primarily driven by new casualty business of $24.9 million and growth in the financial lines of $9.3 million. Partially offsetting this increase were decreases in the property and marine lines of $5.0 million and $3.5 million, respectively.

• The loss ratio for the three months endedDecember 31, 2016 was 43.7%, which included $28.9 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 12.9 percentage points compared to a loss ratio for the three months ended December 31, 2015 of 43.3%, which included $22.6 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 9.7 percentage points. The loss ratio for the three months endedDecember 31, 2016 included losses on fourth quarter 2016 notable loss events of $32.5 million, or 14.4 percentage points of the loss ratio. Partially offsetting these losses was a reduction on the second quarter 2016 notable loss event, the Canadian Wildfires, of $12.0 million, benefiting the loss ratio by 5.3 percentage points, for total notable losses of $20.5 million or 9.1 percentage points of the loss ratio. The favorable development of $28.9 million on prior accident years for the three months endedDecember 31, 2016 was primarily due to favorable development on attritional losses of $24.3 million and favorable development on events of $4.6 million.

• Policy acquisition costs for the three months endedDecember 31, 2016 were $53.4 million compared to $37.5 million for the three months endedDecember 31, 2015, an increase of $15.9 million or 42.4%. The increase was primarily driven by an increase in the specialty lines as a result of profit commissions on agriculture business.

• The combined ratio for the three months endedDecember 31, 2016 was 77.6% compared to 69.3% for the three months endedDecember 31, 2015, an increase of 8.3 percentage points.

• Underwriting income for the three months ended December 31, 2016 was $50.3 million compared to $71.3 million for the three months endedDecember 31, 2015, a decrease of $21.1 million, or 29.5%.

55

Results of Operations - Fourth Quarter 2016 - Talbot Segment

The following table presents underwriting income for the three months ended December 31, 2016 and 2015:

	Three Months Ended December 31,
	2016												2015
(Dollars in thousands)	Property			Marine			Specialty			Total			Property			Marine			Specialty			Total
Underwriting revenues
Gross premiums written	$	71,371		$	39,635		$	107,638		$218,644			$	73,926		$	60,648		$	95,113		$	229,687
Reinsurance premiums ceded	(20,022		)	(3,049		)	(15,162		)	(38,233		)	(21,957		)	(1,921		)	(10,874		)	(34,752		)
Net premiums written	51,349			36,586			92,476			180,411			51,969			58,727			84,239			194,935
Change in unearned premiums	3,381			15,605			(24,877		)	(5,891		)	2,834			14,192			(8,041		)	8,985
Net premiums earned	54,730			52,191			67,599			174,520			54,803			72,919			76,198			203,920
Other insurance related income										66												287
Total underwriting revenues										174,586												204,207
Underwriting deductions
Losses and loss expenses	46,028			33,053			26,594			105,675			21,911			25,941			30,958			78,810
Policy acquisition costs	9,132			14,816			18,735			42,683			8,474			18,504			19,219			46,197
Total underwriting deductions before G&A	55,160			47,869			45,329			148,358			30,385			44,445			50,177			125,007
Underwriting (loss) income before G&A	$	(430	)	$	4,322		$	22,270		$	26,228		$	24,418		$	28,474		$	26,021		$	79,200
General and administrative expenses										24,550												39,965
Share compensation expenses										3,123												3,178
Total underwriting deductions										176,031												168,150
Underwriting (loss) income (a)										$	(1,445	)										$	36,057
Supplemental information:
Losses and loss expenses:
Current period excluding items below	$	44,917		$	30,865		$	33,431		$	109,213		$	27,028		$	39,192		$	36,076		$	102,296
Current period—notable loss events	8,379			3,414			608			12,401			135			(509		)	—			(374		)
Current period—non-notable loss events	131			1			—			132			—			—			—			—
Change in prior accident years	(7,399		)	(1,227		)	(7,445		)	(16,071		)	(5,252		)	(12,742		)	(5,118		)	(23,112		)
Total losses and loss expenses	$	46,028		$	33,053		$	26,594		$	105,675		$	21,911		$	25,941		$	30,958		$	78,810
Selected ratios:
Ratio of net to gross premiums written	71.9		%	92.3		%	85.9		%	82.5		%	70.3		%	96.8		%	88.6		%	84.9		%
Losses and loss expense ratio:
Current period excluding items below	82.1		%	59.2		%	49.4		%	62.6		%	49.4		%	53.8		%	47.3		%	50.1		%
Current period—notable loss events	15.3		%	6.5		%	0.9		%	7.1		%	0.2		%	(0.7		)%	—		%	(0.2		)%
Current period—non-notable loss events	0.2		%	—		%	—		%	0.1		%	—		%	—		%	—		%	—		%
Change in prior accident years	(13.5		)%	(2.4		)%	(11.0		)%	(9.2		)%	(9.6		)%	(17.5		)%	(6.7		)%	(11.3		)%
Losses and loss expense ratio	84.1		%	63.3		%	39.3		%	60.6		%	40.0		%	35.6		%	40.6		%	38.6		%
Policy acquisition cost ratio	16.7		%	28.4		%	27.7		%	24.5		%	15.5		%	25.4		%	25.2		%	22.7		%
General and administrative expense ratio (b)										15.8		%										21.2		%
Expense ratio										40.3		%										43.9		%
Combined ratio										100.9		%										82.5		%

(a) Non-GAAP Financial Measures. In presenting the Company’s results, management has included and discussed underwriting income that is not calculated under standards or rules that comprise U.S. GAAP. Such measures are referred to as non-GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(b) The general and administrative expense ratio includes share compensation expenses.

56

Summarized Results of Operations - Fourth Quarter 2016 - Talbot Segment

Highlights for the fourth quarter 2016 as compared to 2015 were as follows:

• Gross premiums written for the three months endedDecember 31, 2016 were $218.6 million compared to $229.7 million for the three months endedDecember 31, 2015, a decrease of $11.0 million, or 4.8%. Gross premiums written for the three months endedDecember 31, 2016 included $71.4 million of property premiums, $39.6 million of marine premiums and $107.6 million of specialty premiums compared to $73.9 million of property premiums, $60.6 million of marine premiums and $95.1 million of specialty premiums for the three months endedDecember 31, 2015. The decrease in the marine lines of $21.0 million was primarily driven by decreases in the upstream energy and cargo classes as a result of reductions in our participation and non-renewals on various programs due to the current rate environment and premium adjustments on prior year policies. This decrease was partially offset by an increase in gross premiums written in the specialty lines of $12.5 million, primarily due to increases in the contingency, political lines and financial lines classes of $10.0 million, $7.6 million and $4.1 million, respectively.

• Net premiums earned for the three months endedDecember 31, 2016 were $174.5 million compared to $203.9 million for the three months endedDecember 31, 2015, a decrease of $29.4 million or 14.4%. The decrease was driven primarily by the decline in gross premiums written in the marine lines and slower earnings patterns on longer-term contracts in the specialty lines during the twelve months ended December 31, 2016. Also contributing to the decrease was the impact of reinstatement premiums payable during the three months endedDecember 31, 2016.

• The loss ratio for the three months endedDecember 31, 2016 was 60.6%, which included $16.1 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 9.2 percentage points compared to a loss ratio for the three months ended December 31, 2015 of 38.6%, which included $23.1 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 11.3 percentage points. The loss ratio for the three months endedDecember 31, 2016 included losses on fourth quarter 2016 notable loss events of $14.6 million, or 8.4 percentage points of the loss ratio. Partially offsetting these losses was a reduction on the second quarter 2016 notable loss event, the Canadian Wildfires, of $2.2 million, benefiting the loss ratio by 1.3 percentage points, for total notable losses of $12.4 million or 7.1 percentage points of the loss ratio. The favorable development of $16.1 million on prior accident years for the three months endedDecember 31, 2016 is primarily due to favorable development on attritional losses.

• General and administrative expenses for the three months endedDecember 31, 2016 were $24.6 million compared to $40.0 million for the three months endedDecember 31, 2015, a decrease of $15.4 million, or 38.6%. The decrease was primarily due to the impact of foreign exchange and a reduction in the performance bonus accrual.

• The combined ratio for the three months endedDecember 31, 2016 was 100.9% compared to 82.5% for the three months endedDecember 31, 2015, an increase of 18.4 percentage points.

• Underwriting loss for the three months ended December 31, 2016 was $1.4 million compared to income of $36.1 million for the three months endedDecember 31, 2015, a decrease of $37.5 million, or 104.0%.

57

Results of Operations - Fourth Quarter 2016 - Western World Segment

The following table presents underwriting income for the three months ended December 31, 2016 and 2015:

	Three Months Ended December 31,
	2016									2015
(Dollars in thousands)	Property			Liability			Total			Property			Liability			Total
Underwriting revenues
Gross premiums written	$	29,039		$	57,991		$87,030			$	13,884		$	57,248		$	71,132
Reinsurance premiums ceded	(3,675		)	(3,612		)	(7,287		)	(1,167		)	(4,320		)	(5,487		)
Net premiums written	25,364			54,379			79,743			12,717			52,928			65,645
Change in unearned premiums	(5,280		)	816			(4,464		)	(1,139		)	(2,786		)	(3,925		)
Net premiums earned	20,084			55,195			75,279			11,578			50,142			61,720
Other insurance related income							216									257
Total underwriting revenues							75,495									61,977
Underwriting deductions
Losses and loss expenses	16,634			37,555			54,189			2,787			30,993			33,780
Policy acquisition costs	5,175			12,563			17,738			2,886			11,412			14,298
Total underwriting deductions before G&A	21,809			50,118			71,927			5,673			42,405			48,078
Underwriting (loss) income before G&A	$	(1,725	)	$	5,077		$	3,568		$	5,905		$	7,737		$	13,899
General and administrative expenses							9,576									9,578
Share compensation expenses							718									558
Total underwriting deductions							82,221									58,214
Underwriting (loss) income (a)							$	(6,726	)							$	3,763
Supplemental information:
Losses and loss expenses:
Current period excluding items below	$	13,297		$	38,078		$	51,375		$	4,184		$	36,924		$	41,108
Current period—notable loss events	3,400			—			3,400			—			—			—
Current period—non-notable loss events	62			—			62			—			—			—
Change in prior accident years	(125		)	(523		)	(648		)	(1,397		)	(5,931		)	(7,328		)
Total losses and loss expenses	$	16,634		$	37,555		$	54,189		$	2,787		$	30,993		$	33,780
Selected ratios:
Ratio of net to gross premiums written	87.3		%	93.8		%	91.6		%	91.6		%	92.5		%	92.3		%
Losses and loss expense ratio:
Current period excluding items below	66.2		%	68.9		%	68.3		%	36.2		%	73.6		%	66.6		%
Current period—notable loss events	16.9		%	—		%	4.5		%	—		%	—		%	—		%
Current period—non-notable loss events	0.3		%	—		%	0.1		%	—		%	—		%	—		%
Change in prior accident years	(0.6		)%	(0.9		)%	(0.9		)%	(12.1		)%	(11.8		)%	(11.9		)%
Losses and loss expense ratio	82.8		%	68.0		%	72.0		%	24.1		%	61.8		%	54.7		%
Policy acquisition cost ratio	25.8		%	22.8		%	23.5		%	24.9		%	22.8		%	23.2		%
General and administrative expense ratio (b)							13.7		%							16.4		%
Expense ratio							37.2		%							39.6		%
Combined ratio							109.2		%							94.3		%

(a) Non-GAAP Financial Measures. In presenting the Company’s results, management has included and discussed underwriting income that is not calculated under standards or rules that comprise U.S. GAAP. Such measures are referred to as non-GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(b) The general and administrative expense ratio includes share compensation expenses.

58

Summarized Results of Operations - Fourth Quarter 2016 - Western World Segment

Highlights for the fourth quarter 2016 as compared to 2015 were as follows:

• Gross premiums written for the three months endedDecember 31, 2016 were $87.0 million compared to $71.1 million for the three months endedDecember 31, 2015, an increase of $15.9 million, or 22.3%. Gross premiums written for the three months endedDecember 31, 2016 included $29.0 million of property premiums and $58.0 million of liability premiums, compared to $13.9 million of property premiums and $57.2 million of liability premiums for the three months endedDecember 31, 2015. The increase in gross premiums written in the property lines of $15.2 million was primarily due to additional business written in the programs property, commercial package property, and brokerage property classes of $5.6 million, $3.9 million, and $3.1 million, respectively, as a result of the continued build out of the underwriting platform in short-tail lines.

• The loss ratio for the three months endedDecember 31, 2016 was 72.0%, which included $0.6 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 0.9 percentage points compared to a loss ratio for the three months ended December 31, 2015 of 54.7%, which included $7.3 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 11.9 percentage points. The loss ratio for the three months endedDecember 31, 2016 included losses on fourth quarter 2016 notable loss events of $3.4 million, or 4.5 percentage points of the loss ratio and other U.S.-based weather losses of $2.8 million, or 3.7 percentage points of the loss ratio. The favorable development of $7.3 million on prior accident years for the three months ended December 31, 2015 is primarily due to favorable development on attritional losses and the amortization of the risk premium adjustment accounted for at the time of the acquisition of Western World.

• The combined ratio for the three months endedDecember 31, 2016 was 109.2% compared to 94.3% for the three months endedDecember 31, 2015, an increase of 14.9 percentage points. The increase was driven by lower favorable development on prior accident years and higher losses and loss expenses on notable loss events and U.S.-based weather losses during the three months ended December 31, 2016.

• Underwriting loss for the three months endedDecember 31, 2016 was $6.7 million compared to income of $3.8 million for the three months endedDecember 31, 2015, a decrease of $10.5 million.

59

Results of Operations - Fourth Quarter 2016 - AlphaCat Segment

The following table presents Validus’ share of the AlphaCat segment income on an asset manager basis for the three months ended December 31, 2016 and 2015:

	Three Months Ended December 31,
(Dollars in thousands)	2016			2015
Revenues
Third party	$	3,928		$	5,039
Related party	737			1,251
Total revenues	4,665			6,290
Expenses
General and administrative expenses	2,676			3,232
Share compensation expenses	82			140
Finance expenses	33			53
Tax expenses	90			—
Foreign exchange losses (gains)	2			(7		)
Total expenses	2,883			3,418
Income before investment income from AlphaCat Funds and Sidecars	$	1,782		$	2,872
Investment income (loss) from AlphaCat Funds and Sidecars (b)
AlphaCat Sidecars	14			1,618
AlphaCat ILS Funds - Lower Risk (c)	1,998			2,037
AlphaCat ILS Funds - Higher Risk (c)	1,864			1,820
BetaCat ILS Funds	644			461
PaCRe	—			(1,708		)
Total investment income from AlphaCat Funds and Sidecars	4,520			4,228
Validus’ share of AlphaCat segment income	$	6,302		$	7,100
Supplemental information:
Gross premiums written
AlphaCat Sidecars	$	(163	)	$	329
AlphaCat ILS Funds - Lower Risk (c)	(19		)	1,275
AlphaCat ILS Funds - Higher Risk (c)	(105		)	36
AlphaCat Direct (d)	23			(5		)
Total	$	(264	)	$	1,635

(a) In presenting the Company’s results, management has included and discussed the results of AlphaCat, which are presented on an asset manager basis. Validus’ share of AlphaCat income is a non-GAAP measure and is not calculated under standards or rules that comprise U.S. GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(b) The investment income from the AlphaCat funds and sidecars is based on equity accounting.

(c) Lower risk AlphaCat ILS funds have a maximum permitted portfolio expected loss of less than 7%, whereas higher risk AlphaCat ILS funds have a maximum permitted portfolio expected loss of greater than 7%. Expected loss represents the average annual loss over the set of simulation scenarios divided by the total limit.

(d) AlphaCat Direct includes direct investments from third party investors in AlphaCat Re.

60

Summarized Results of Operations - Fourth Quarter 2016 - AlphaCat Segment

Highlights for the fourth quarter 2016 as compared to 2015 were as follows:

• AlphaCat’s assets under management increased during the fourth quarter 2016 to $2,741.3 million as at January 1, 2017, compared to $2,615.1 million as at October 1, 2016. Third party assets under management were $2,498.6 million as at January 1, 2017, compared to $2,292.6 million as at October 1, 2016.

• Revenues earned for the three months endedDecember 31, 2016 were $4.7 million, of which $3.9 million were earned from third parties, compared to $6.3 million for the three months endedDecember 31, 2015, of which $5.0 million were earned from third parties. The decrease in revenues earned from third parties of $1.1 million was driven by a decrease in performance fees earned as a result of the notable loss events incurred during the three months endedDecember 31, 2016.

• Total expenses for the three months endedDecember 31, 2016 were $2.9 million, compared to $3.4 million for the three months endedDecember 31, 2015, a decrease of $0.5 million, or 15.7%.

• Income before investment income from AlphaCat Funds and Sidecars for the three months endedDecember 31, 2016 was $1.8 million, compared to $2.9 million for the three months endedDecember 31, 2015, a decrease of $1.1 million, or 38.0%.

• Investment income from AlphaCat Funds and Sidecars, excluding PaCRe which was off-risk effective January 1, 2016, for the three months endedDecember 31, 2016 was $4.5 million, compared to $5.9 million for the three months endedDecember 31, 2015, a decrease of $1.4 million or 23.9%. The decrease was driven by the notable loss events incurred during the three months endedDecember 31, 2016.

• Validus’ share of AlphaCat income, excluding PaCRe, for the three months endedDecember 31, 2016 was $6.3 million, compared to $8.8 million for the three months endedDecember 31, 2015, a decrease of $2.5 million, or 28.5%.

61

Consolidated Results - Fourth Quarter 2016 - Corporate and Investments

The following table presents the corporate and investment function’s income and expense items on a consolidated basis for the three months ended December 31, 2016 and 2015:

	Three Months Ended December 31,
(Dollars in thousands)	2016			2015
Investment income
Managed net investment income (a)	$	35,875		$	29,885
Operating expenses
General and administrative expenses	19,973			24,222
Share compensation expenses	3,856			3,501
Finance expenses (a)	14,546			15,448
Dividends on preferred shares	2,203			—
Tax benefit (a)	(21,237		)	(756		)
Total operating expenses	19,341			42,415
Other items
Net realized gains (losses) on managed investments (a)	9,166			(3,353		)
Change in net unrealized losses on managed investments (a)	(67,676		)	(34,515		)
Income (loss) from investment affiliates	2,166			(1,261		)
Foreign exchange (losses) gains (a)	(850		)	852
Other income	7			1,576
Total other items	(57,187		)	(36,701		)
Total Corporate and Investments	$	(40,653	)	$	(49,231	)

(a) These items exclude the components which are included in the Company’s share of AlphaCat and amounts which are consolidated from VIEs.

Highlights for the fourth quarter 2016 as compared to 2015 were as follows:

• Net investment income from managed investments for the three months endedDecember 31, 2016 was $35.9 million compared to $29.9 million for the three months endedDecember 31, 2015, an increase of $6.0 million, or 20.0%. The increase was primarily driven by returns on the Company’s portfolio of structured securities, of which $4.0 million was generated from a single fixed income fund. Annualized effective yield for the three months endedDecember 31, 2016 was 2.25%, compared to 1.90% for the three months endedDecember 31, 2015, an increase of 35 basis points.

• Net realized gains on managed investments for the three months ended December 31, 2016 were $9.2 million compared to losses of $3.4 million for the three months ended December 31, 2015, a favorable movement of $12.5 million. The favorable movement primarily resulted from realized gains on the termination of two interest rate swap contracts which were entered into in the third quarter of 2016 to partially offset the impact of interest rate increases on the Company’s fixed maturity portfolio.

• The change in net unrealized losses on managed investments for the three months ended December 31, 2016 was $67.7 million compared to $34.5 million for the three months ended December 31, 2015, an unfavorable movement of $33.2 million, or 96.1%. The unfavorable movement was primarily driven by an increase in interest rates during the three months ended December 31, 2016.

• General and administrative expenses for the three months endedDecember 31, 2016 were $20.0 million compared to $24.2 million for the three months endedDecember 31, 2015, a decrease of $4.2 million or 17.5% primarily due to a reduction in the performance bonus accrual during the three months endedDecember 31, 2016.

• Share compensation expenses for the three months endedDecember 31, 2016 were $3.9 million compared to $3.5 million for the three months endedDecember 31, 2015, an increase of $0.4 million or 10.1%.

• Finance expenses, excluding the Company’s share of AlphaCat finance expenses from consolidated variable interest entities, for the three months ended December 31, 2016 were $14.5 million compared to $15.4 million for the three months ended December 31, 2015, a decrease of $0.9 million or 5.8%.

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• The Company issued $150.0 million of preferred shares in June 2016. Dividends paid on preferred shares were $2.2 million for the three months ended December 31, 2016.

• Tax benefit for the three months endedDecember 31, 2016 was $21.2 million compared to $0.8 million for the three months endedDecember 31, 2015, a favorable movement of $20.5 million. The favorable movement was primarily due to a partial release of a valuation allowance which had been applied against a deferred tax asset related to net operating losses acquired as part of the Flagstone acquisition. The Company believes it is now more-likely-than-not that it will have sufficient future taxable income to realize a portion of that deferred tax asset over the next three years and in accordance with U.S. GAAP, the Company was required to record a tax benefit of $18.4 million in the quarter.

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Full Year 2016, 2015and2014 Summarized Results of Operations - Consolidated

The Company acquired Western World on October 2, 2014, therefore the results of Western World have been included in the Company’s consolidated results from the date of acquisition. The following table presents the results of operations for the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
(Dollars in thousands)	2016			2015			2014
Underwriting revenues
Gross premiums written	$	2,648,705		$	2,557,506		$	2,358,865
Reinsurance premiums ceded	(289,705		)	(328,681		)	(313,208		)
Net premiums written	2,359,000			2,228,825			2,045,657
Change in unearned premiums	(109,835		)	18,064			(52,602		)
Net premiums earned	2,249,165			2,246,889			1,993,055
Other insurance related income	2,961			6,113			3,472
Total underwriting revenues	2,252,126			2,253,002			1,996,527
Underwriting deductions
Losses and loss expenses	1,065,097			977,833			765,015
Policy acquisition costs	449,482			410,058			339,467
General and administrative expenses	336,294			363,709			329,362
Share compensation expenses	42,907			38,341			33,073
Total underwriting deductions	1,893,780			1,789,941			1,466,917
Underwriting income (a)	$	358,346		$	463,061		$	529,610
Net investment income	150,385			127,824			100,086
Finance expenses	(58,520		)	(74,742		)	(68,324		)
Dividends on preferred shares	(4,455		)	—			—
Tax benefit (expense)	19,729			(6,376		)	(155		)
Loss from operating affiliate	(23		)	(3,949		)	(4,340		)
(Income) attributable to AlphaCat investors	(23,358		)	(2,412		)	—
Net (income) attributable to noncontrolling interests	(122,906		)	(93,657		)	(76,115		)
Net operating income available to Validus common shareholders (a)	$	319,198		$	409,749		$	480,762
Supplemental information:
Losses and loss expenses:
Current period excluding items below	$	1,120,841		$	1,164,775		$	954,644
Current period—notable loss events	90,211			96,964			34,944
Current period—non-notable loss events	70,237			22,231			34,668
Change in prior accident years	(216,192		)	(306,137		)	(259,241		)
Total losses and loss expenses	$	1,065,097		$	977,833		$	765,015
Selected ratios:
Ratio of net to gross premiums written	89.1		%	87.1		%	86.7		%
Losses and loss expense ratio:
Current period excluding items below	49.9		%	51.8		%	47.9		%
Current period—notable loss events	4.0		%	4.3		%	1.8		%
Current period—non-notable loss events	3.1		%	1.0		%	1.7		%
Change in prior accident years	(9.6		)%	(13.6		)%	(13.0		)%
Losses and loss expense ratio	47.4		%	43.5		%	38.4		%
Policy acquisition cost ratio	20.0		%	18.3		%	17.0		%
General and administrative expense ratio (b)	16.8		%	17.9		%	18.2		%
Expense ratio	36.8		%	36.2		%	35.2		%
Combined ratio	84.2		%	79.7		%	73.6		%

(a) Non-GAAP Financial Measures. In presenting the Company’s results, management has included and discussed underwriting income and operating income that are not calculated under standards or rules that comprise U.S. GAAP. Such measures are referred to as non-GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(b) The general and administrative expense ratio includes share compensation expenses.

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Full Year 2016, 2015 and 2014 Results

Highlights for the year ended December 31, 2016, 2015 and 2014 were as follows:

• Gross premiums written for the year endedDecember 31, 2016 were $2,648.7 million compared to $2,557.5 million for the year endedDecember 31, 2015, an increase of $91.2 million, or 3.6%. The increase in gross premiums written was primarily driven by an increase in the AlphaCat and Western World segments and was partially offset by a decrease in the Validus Re and Talbot segments.

• Gross premiums written for the year endedDecember 31, 2015 were $2,557.5 million compared to $2,358.9 million for the year endedDecember 31, 2014, an increase of $198.6 million, or 8.4%. The increase in gross premiums written was primarily driven by an increase in the Western World, AlphaCat and Validus Re segments and was partially offset by a decrease in the Talbot segment.

• Underwriting revenues for the years ended December 31, 2016, 2015 and 2014 were $2,252.1 million, $2,253.0 million, and $1,996.5 million, respectively.

• Losses and loss expenses for the years ended December 31, 2016, 2015 and 2014 were $1,065.1 million, $977.8 million and $765.0 million, respectively.

Notable and Non-notable Loss Events

Losses and loss expenses arising from notable and non-notable loss events occurring during the years ended December 31, 2016, 2015 and 2014 are set out in the tables below:

	Year Ended December 31, 2016
	Notable Loss Events									Non-notable Loss Events											Total
(Dollars in thousands)	Canadian Wildfires			Hurricane Matthew			2016 New Zealand Earthquake			Texas Hailstorms			Kumamoto Earthquake		Jubilee Oil			SpaceX
Net Losses and Loss Expenses	$	19,650		$	39,140		$	31,421		$	19,305		$	15,480	$	15,213		$	20,239		$	160,448
Less: Net Losses and Loss Expenses Attributable to AlphaCat Third Party Investors and Noncontrolling Interests	(3,696		)	(8,943		)	(9,068		)	(5,638		)	—		—			—			(27,345		)
Validus’ Share of Net Losses and Loss Expenses	15,954			30,197			22,353			13,667			15,480		15,213			20,239			133,103
Less: Reinstatement Premiums, net	(1,496		)	(2,781		)	(65		)	(2,108		)	—		(8,942		)	(1,510		)	(16,902		)
Net Loss Attributable to Validus	$	14,458		$	27,416		$	22,288		$	11,559		$	15,480	$	6,271		$	18,729		$	116,201

• For the year endedDecember 31, 2016, losses and loss expenses from the three notable loss events were $90.2 million, or 4.0 percentage points of the loss ratio. Net of losses attributable to AlphaCat investors and noncontrolling interests of $21.7 million and reinstatement premiums of $4.3 million, the net loss attributable to the Company from these notable loss events was $64.2 million. Losses and loss expenses from the four non-notable loss events were $70.2 million, or 3.1 percentage points of the loss ratio. Net of losses attributable to AlphaCat investors and noncontrolling interests of $5.6 million and reinstatement premiums of $12.6 million, the net loss attributable to the Company from these non-notable loss events was $52.0 million.

	Year Ended December 31, 2015
	Notable Loss Events					Non-notable Loss Event			Total
(Dollars in thousands)	Tianjin			Pemex		2015 Chilean Earthquake
Net Losses and Loss Expenses	$	47,427		$	49,537	$	22,231		$	119,195
Less: Reinstatement Premiums, net	(3,896		)	2,130		(2,200		)	(3,966		)
Net Loss Attributable to Validus	$	43,531		$	51,667	$	20,031		$	115,229

• For the year endedDecember 31, 2015, losses and loss expenses from the two notable loss events were $97.0 million, or 4.3 percentage points of the loss ratio. Net of reinstatement premiums of $1.8 million, the net loss attributable to the Company

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from these notable loss events was $95.2 million. Losses and loss expenses from a single non-notable loss event were $22.2 million, or 1.0 percentage point of the loss ratio. Net of reinstatement premiums of $2.2 million, the net loss attributable to the Company from this non-notable loss event was $20.0 million.

	Year Ended December 31, 2014
	Notable Loss Event			Non-notable Loss Events						Total
(Dollars in thousands)	Tripoli Airport			Japanese Snowstorm			2014 Chilean Earthquake
Net Losses and Loss Expenses	$	34,944		$	16,256		$	18,412		$	69,612
Less: Reinstatement Premiums, net	(3,816		)	(2,239		)	(496		)	(6,551		)
Net Loss Attributable to Validus	$	31,128		$	14,017		$	17,916		$	63,061

• For the year endedDecember 31, 2014, losses and loss expenses from a single notable loss event were $34.9 million, or 1.8 percentage points of the loss ratio. Net of reinstatement premiums of $3.8 million, the net loss attributable to the Company from this notable loss event was $31.1 million. Losses and loss expenses from the two non-notable loss events were $34.7 million, or 1.7 percentage points of the loss ratio. Net of reinstatement premiums of $2.7 million, the net loss attributable to the Company from these non-notable loss events was $32.0 million.

Change in prior accident years

• Loss reserve development on prior years was as follows:

	Years Ended December 31,
(Dollars in thousands)	2016			2015			2014
(Favorable) development on events	$	(14,394	)	$	(52,196	)	$	(50,884	)
(Favorable) development on attritional losses	(201,797		)	(253,941		)	(208,357		)
Change in prior accident years	$	(216,191	)	$	(306,137	)	$	(259,241	)

The favorable development on events in 2016 primarily related to favorable development on the 2015 Chilean Earthquake non-notable loss event and the 2015 Tianjin port explosion notable loss event and was partially offset by adverse development established following the receipt of a loss advice on an individual marine policy that incepted during the second half of 2015. The favorable development on events in 2015 primarily related to favorable development on Superstorm Sandy. The favorable development on events in 2014 primarily related to favorable development on the Superstorm Sandy and European Floods notable loss events and was partially offset by adverse development on the 2010 New Zealand Earthquake notable loss event.

Loss Ratio

• Loss ratios by line of business were as follows:

	Years Ended December 31,
	2016		2015		2014
Property	35.3	%	23.0	%	16.3	%
Marine	51.9	%	47.5	%	40.5	%
Specialty	55.0	%	57.9	%	64.0	%
Liability	65.9	%	69.3	%	68.3	%
All lines	47.4	%	43.5	%	38.4	%

• Policy acquisition costs for the years ended December 31, 2016, 2015 and 2014 were $449.5 million, $410.1 million and $339.5 million, respectively.

• General and administrative expenses for the years ended December 31, 2016, 2015 and 2014 were $336.3 million, $363.7 million and $329.4 million, respectively.

• Underwriting income for the years ended December 31, 2016, 2015 and 2014 was $358.3 million, $463.1 million and $529.6 million, respectively.

• Net operating income available to Validus common shareholders for the years ended December 31, 2016, 2015 and 2014 was $319.2 million, $409.7 million and $480.8 million, respectively.

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Full Year 2016 Results of Operations - Validus Re Segment

The following table presents underwriting income by line of business for the years ended December 31, 2016 and 2015:

	Years Ended December 31,
	2016												2015
(Dollars in thousands)	Property			Marine			Specialty			Total			Property			Marine			Specialty			Total
Underwriting revenues
Gross premiums written	$	472,965		$	105,698		$	532,391		$	1,111,054		$	547,409		$	152,670		$	426,680		$	1,126,759
Reinsurance premiums ceded	(86,646		)	(12,546		)	(12,372		)	(111,564		)	(121,518		)	(17,127		)	(10,443		)	(149,088		)
Net premiums written	386,319			93,152			520,019			999,490			425,891			135,543			416,237			977,671
Change in unearned premiums	12,499			18,020			(86,064		)	(55,545		)	5,235			12,022			(4,715		)	12,542
Net premiums earned	398,818			111,172			433,955			943,945			431,126			147,565			411,522			990,213
Other insurance related (loss) income										(55		)										3,575
Total underwriting revenues										943,890												993,788
Underwriting deductions
Losses and loss expenses	97,859			45,595			268,034			411,488			86,232			91,306			280,438			457,976
Policy acquisition costs	72,558			19,396			89,086			181,040			74,655			30,024			61,708			166,387
Total underwriting deductions before G&A	170,417			64,991			357,120			592,528			160,887			121,330			342,146			624,363
Underwriting income before G&A	$	228,401		$	46,181		$	76,835		$	351,362		$	270,239		$	26,235		$	69,376		$	369,425
General and administrative expenses										72,770												78,428
Share compensation expenses										11,034												10,350
Total underwriting deductions										676,332												713,141
Underwriting income (a)										$	267,558											$	280,647
Supplemental information:
Losses and loss expenses:
Current period excluding items below	$	96,671		$	58,353		$	293,778		$	448,802		$	115,825		$	83,271		$	297,470		$	496,566
Current period—notable loss events	36,992			1,420			—			38,412			23,310			47,495			1,665			72,470
Current period—non-notable loss events	22,084			10,257			10,466			42,807			17,440			—			116			17,556
Change in prior accident years	(57,888		)	(24,435		)	(36,210		)	(118,533		)	(70,343		)	(39,460		)	(18,813		)	(128,616		)
Total losses and loss expenses	$	97,859		$	45,595		$	268,034		$	411,488		$	86,232		$	91,306		$	280,438		$	457,976
Selected ratios:
Ratio of net to gross premiums written	81.7		%	88.1		%	97.7		%	90.0		%	77.8		%	88.8		%	97.6		%	86.8		%
Losses and loss expense ratio:
Current period excluding items below	24.2		%	52.5		%	67.7		%	47.6		%	26.9		%	56.4		%	72.3		%	50.1		%
Current period—notable loss events	9.3		%	1.3		%	—		%	4.1		%	5.4		%	32.2		%	0.4		%	7.3		%
Current period—non-notable loss events	5.5		%	9.2		%	2.4		%	4.5		%	4.0		%	—		%	—		%	1.8		%
Change in prior accident years	(14.5		)%	(22.0		)%	(8.3		)%	(12.6		)%	(16.3		)%	(26.7		)%	(4.6		)%	(13.0		)%
Losses and loss expense ratio	24.5		%	41.0		%	61.8		%	43.6		%	20.0		%	61.9		%	68.1		%	46.2		%
Policy acquisition cost ratio	18.2		%	17.4		%	20.5		%	19.2		%	17.3		%	20.3		%	15.0		%	16.8		%
General and administrative expense ratio (b)										8.8		%										9.0		%
Expense ratio										28.0		%										25.8		%
Combined ratio										71.6		%										72.0		%

(a) Non-GAAP Financial Measures. In presenting the Company’s results, management has included and discussed underwriting income that is not calculated under standards or rules that comprise U.S. GAAP. Such measures are referred to as non-GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(b) The general and administrative expense ratio includes share compensation expenses.

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Highlights for the for the year endedDecember 31, 2016 as compared to the year endedDecember 31, 2015 were as follows:

• Gross premiums writtenfor the year endedDecember 31, 2016 were $1,111.1 million compared to $1,126.8 million for the year endedDecember 31, 2015, a decrease of $15.7 million, or 1.4%. The decrease in gross premiums written was primarily driven by:

◦ A decrease in gross premiums written in the property lines of $74.4 million, primarily due to a reduction in business written in the catastrophe excess of loss lines driven by reductions in participation on various programs due to market conditions; and

◦ A decrease in gross premiums written in the marine lines of $47.0 million, primarily due to reductions in participation on various programs as a result of challenging market conditions and business historically written in marine lines being renewed in specialty lines; partially offset by

◦ An increase in gross premiums written in the specialty lines of $105.7 million, primarily due to new casualty lines written during the period of $79.0 million and business historically written in marine lines being renewed in specialty lines.

• Reinsurance premiums ceded for the year endedDecember 31, 2016 were $111.6 million compared to $149.1 million for the year endedDecember 31, 2015, a decrease of $37.5 million, or 25.2%. The decrease was primarily due to a reduction in the costs associated with the Company’s main proportional retrocession program during the year endedDecember 31, 2016.

• Net premiums earned for the year endedDecember 31, 2016 were $943.9 million compared to $990.2 million for the year endedDecember 31, 2015, a decrease of $46.3 million, or 4.7%. The decrease was driven by decreases in the property and marine lines of $32.3 million and $36.4 million, respectively, as a result of lower gross premiums written during the year endedDecember 31, 2016, offset by the earned impact of the reduction in reinsurance premiums ceded and was partially offset by an increase in net premiums earned in the specialty lines of $22.4 million, primarily due to the increase in gross premiums written as noted above, the impact of reinstatement premiums and adjustments to existing business.

• Losses and loss expenses for the year endedDecember 31, 2016 were $411.5 million compared to $458.0 million for the year endedDecember 31, 2015, a decrease of $46.5 million or 10.2%. The decrease was primarily as a result of lower losses and loss expenses from attritional losses and notable loss events during the year endedDecember 31, 2016 and was partially offset by higher losses and loss expenses from non-notable loss events.

◦ The loss ratio for the year endedDecember 31, 2016 was 43.6%, which included $118.5 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 12.6 percentage points compared to a loss ratio for the year endedDecember 31, 2015 of 46.2% which included $128.6 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 13.0 percentage points.

Notable and Non-notable Loss Events

◦ During the year endedDecember 31, 2016, there were three notable loss events and four non-notable loss events that impacted Validus Re as set out in the table below:

	Year Ended December 31, 2016
	Notable Loss Events									Non-notable Loss Events											Total
(Dollars in thousands)	Canadian Wildfires			Hurricane Matthew			2016 New Zealand Earthquake			Texas Hailstorms			Kumamoto Earthquake		Jubilee Oil			SpaceX
Validus Re’s Share of Net Losses and Loss Expenses	$	5,930		$	13,580		$	18,902		$	6,891		$	15,195	$	10,376		$	10,345		$	81,219
Less: Reinstatement Premiums, net	(1,085		)	(2,781		)	(68		)	(2,077		)	—		(7,981		)	(2,393		)	(16,385		)
Net Loss Attributable to Validus Re	$	4,845		$	10,799		$	18,834		$	4,814		$	15,195	$	2,395		$	7,952		$	64,834

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◦ During the year endedDecember 31, 2015, there were two notable loss events and one non-notable loss event that impacted Validus Re as set out in the table below:

	Year Ended December 31, 2015
	Notable Loss Events						Non-notable Loss Event			Total
(Dollars in thousands)	Tianjin			Pemex			2015 Chilean Earthquake
Validus Re’s Share of Net Losses and Loss Expenses	$	35,818		$	36,652		$	17,556		$	90,026
Less: Reinstatement Premiums, net	(3,136		)	(8,940		)	(2,200		)	(14,276		)
Net Loss Attributable to Validus Re	$	32,682		$	27,712		$	15,356		$	75,750

Notable Loss Events

◦ For the year endedDecember 31, 2016, losses and loss expenses from three notable loss events, the Canadian Wildfires, Hurricane Matthew and the 2016 New Zealand Earthquake were $38.4 million, or 4.1 percentage points of the loss ratio. Net of reinstatement premiums of $3.9 million, these events resulted in an aggregate reduction of underwriting income of $34.5 million. The losses and loss expenses of the 2016 notable loss events by line of business were as follows:

▪Canadian Wildfires and 2016 New Zealand Earthquake - property lines of $24.8 million; and

▪Hurricane Matthew - property and marine lines of $12.2 million and $1.4 million, respectively.

◦ For the year endedDecember 31, 2015, losses and loss expenses from two notable loss events, Tianjin and Pemex, were $72.5 million, or 7.3 percentage points of the loss ratio. Net of reinstatement premiums of $12.1 million, these events resulted in an aggregate reduction of underwriting income of $60.4 million. The losses and loss expenses of the 2015 notable loss events by line of business were as follows:

▪Tianjin - property and marine lines of $23.3 million and $12.5 million, respectively; and

▪Pemex - marine and specialty lines of $35.0 million and $1.7 million, respectively.

Non-notable Loss Events

◦ For the year endedDecember 31, 2016, losses and loss expenses incurred from the 2016 non-notable loss events, the Texas Hailstorms, Kumamoto Earthquake, Jubilee Oil and SpaceX, were $42.8 million, or 4.5 percentage points of the loss ratio. Net of reinstatement premiums of $12.4 million, these events resulted in an aggregate reduction of underwriting income of $30.4 million. The losses and loss expenses of the 2016 non-notable loss events by line of business were as follows:

▪Texas Hailstorms and Kumamoto Earthquake - property lines of $22.1 million; and

▪Jubilee Oil - marine and specialty lines of $0.7 million and $9.7 million, respectively; and

▪SpaceX - marine and specialty lines of $9.5 million and $0.8 million, respectively.

◦ For the year endedDecember 31, 2015, losses and loss expenses from the 2015 Chilean Earthquake non-notable loss event were $17.6 million, or 1.8 percentage points of the loss ratio, and related primarily to Validus Re’s property lines. Net of reinstatement premiums of $2.2 million, this event resulted in an aggregate reduction of underwriting income of $15.4 million.

Change in prior accident years

• Loss reserve development by line of business for the years ended December 31, 2016 and 2015 was as follows:

	Year Ended December 31, 2016
(Dollars in thousands)	Property			Marine			Specialty			Total
(Favorable) adverse development on events	$	(32,553	)	$	9,677		$	1,849		$	(21,027	)
(Favorable) development on attritional losses	(25,335		)	(34,112		)	(38,059		)	(97,506		)
Change in prior accident years	$	(57,888	)	$	(24,435	)	$	(36,210	)	$	(118,533	)

The favorable development on events in 2016 in the property lines was primarily related to the 2015 Chilean Earthquake non-notable loss event and the Tianjin notable loss event. The adverse development in 2016 in the marine lines primarily related to reserves established following the receipt of a loss advice on an individual marine policy that incepted during the second half of 2015.

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	Year Ended December 31, 2015
	Property			Marine			Specialty			Total
(Favorable) adverse development on events	$	(32,408	)	$	23		$	240		$	(32,145	)
(Favorable) development on attritional losses	(37,935		)	(39,483		)	(19,053		)	(96,471		)
Change in prior accident years	$	(70,343	)	$	(39,460	)	$	(18,813	)	$	(128,616	)

The favorable development on events in 2015 in the property lines was primarily related to Superstorm Sandy.

• Policy acquisition costs for the year endedDecember 31, 2016 were $181.0 million compared to $166.4 million for the year endedDecember 31, 2015, an increase of $14.7 million, or 2.4 percentage points of the policy acquisition costs ratio. The increase was driven by an increase in the specialty lines due to profit commissions on agriculture business, as well as an increase in financial, trade credit and mortgage lines, along with new casualty business which carries higher costs and was partially offset by a decrease in the marine lines as a result of a reduction in proportional business along with adjustments to existing business.

• General and administration expenses for the year endedDecember 31, 2016 were $72.8 million compared to $78.4 million for the year endedDecember 31, 2015, a decrease of $5.7 million, or 7.2%. The decrease was primarily due to reductions in office related expenses, staff costs and the performance bonus accrual.

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The following table presents underwriting income by line of business for the years ended December 31, 2015 and 2014:

	Years Ended December 31,
	2015												2014
(Dollars in thousands)	Property			Marine			Specialty			Total			Property			Marine			Specialty			Total
Underwriting revenues
Gross premiums written	$	547,409		$	152,670		$	426,680		$1,126,759			$	616,554		$	190,959		$	311,019		$	1,118,532
Reinsurance premiums ceded	(121,518		)	(17,127		)	(10,443		)	(149,088		)	(139,656		)	(16,524		)	(7,498		)	(163,678		)
Net premiums written	425,891			135,543			416,237			977,671			476,898			174,435			303,521			954,854
Change in unearned premiums	5,235			12,022			(4,715		)	12,542			(6,603		)	(7,179		)	(23,788		)	(37,570		)
Net premiums earned	431,126			147,565			411,522			990,213			470,295			167,256			279,733			917,284
Other insurance related income										3,575												3,159
Total underwriting revenues										993,788												920,443
Underwriting deductions
Losses and loss expenses	86,232			91,306			280,438			457,976			41,689			58,960			206,641			307,290
Policy acquisition costs	74,655			30,024			61,708			166,387			76,955			26,724			37,991			141,670
Total underwriting deductions before G&A	160,887			121,330			342,146			624,363			118,644			85,684			244,632			448,960
Underwriting income before G&A	$	270,239		$	26,235		$	69,376		$	369,425		$	351,651		$	81,572		$	35,101		$	471,483
General and administrative expenses										78,428												74,739
Share compensation expenses										10,350												9,739
Total underwriting deductions										713,141												533,438
Underwriting income (a)										$	280,647											$	387,005
Supplemental information:
Losses and loss expenses:
Current period excluding items below	$	115,825		$	83,271		$	297,470		$	496,566		$	87,870		$	65,749		$	188,919		$	342,538
Current period—notable loss events	23,310			47,495			1,665			72,470			—			41			22,428			22,469
Current period—non-notable loss events	17,440			—			116			17,556			29,883			—			—			29,883
Change in prior accident years	(70,343		)	(39,460		)	(18,813		)	(128,616		)	(76,064		)	(6,830		)	(4,706		)	(87,600		)
Total losses and loss expenses	$	86,232		$	91,306		$	280,438		$	457,976		$	41,689		$	58,960		$	206,641		$	307,290
Selected ratios:
Ratio of net to gross premiums written	77.8		%	88.8		%	97.6		%	86.8		%	77.3		%	91.3		%	97.6		%	85.4		%
Losses and loss expense ratio:
Current period excluding items below	26.9		%	56.4		%	72.3		%	50.1		%	18.7		%	39.3		%	67.6		%	37.3		%
Current period—notable loss events	5.4		%	32.2		%	0.4		%	7.3		%	—		%	—		%	8.0		%	2.4		%
Current period—non-notable loss events	4.0		%	—		%	—		%	1.8		%	6.4		%	—		%	—		%	3.3		%
Change in prior accident years	(16.3		)%	(26.7		)%	(4.6		)%	(13.0		)%	(16.2		)%	(4.1		)%	(1.7		)%	(9.5		)%
Losses and loss expense ratio	20.0		%	61.9		%	68.1		%	46.2		%	8.9		%	35.2		%	73.9		%	33.5		%
Policy acquisition cost ratio	17.3		%	20.3		%	15.0		%	16.8		%	16.4		%	16.0		%	13.6		%	15.5		%
General and administrative expense ratio (b)										9.0		%										9.2		%
Expense ratio										25.8		%										24.7		%
Combined ratio										72.0		%										58.2		%

(a) Non-GAAP Financial Measures. In presenting the Company’s results, management has included and discussed underwriting income that is not calculated under standards or rules that comprise U.S. GAAP. Such measures are referred to as non-GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(b) The general and administrative expense ratio includes share compensation expenses.

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Highlights for the for the year endedDecember 31, 2015 as compared to the year endedDecember 31, 2014 were as follows:

• Gross premiums written for the year endedDecember 31, 2015 were $1,126.8 million compared to $1,118.5 million for the year endedDecember 31, 2014, an increase of $8.2 million, or 0.7%. The increase in gross premiums written was primarily driven by:

◦ An increase in gross premiums written in the specialty lines of $115.7 million, primarily due to a significant new agriculture deal and new casualty business of $7.1 million which was written during the three months ended December 31, 2015, partially offset by various non-renewals; and

◦ A decrease in gross premiums written in the property lines of $69.1 million, primarily due to a reduction in business written in the catastrophe excess of loss lines of $76.8 million, driven by reductions in participation on various programs due to market conditions; and

◦ A decrease in gross premiums written in the marine lines of $38.3 million, primarily due to non-renewals as a result of difficult market conditions and business historically written in marine lines being renewed in specialty lines. Further contributing to the decrease was a gain on the commutation of a Flagstone contract with a Lloyd’s counterparty which occurred in the three months ended December 31, 2014.

• Reinsurance premiums ceded for the year endedDecember 31, 2015 were $149.1 million compared to $163.7 million for the year endedDecember 31, 2014, a decrease of $14.6 million, or 8.9%. The decrease was due to a reduction in the property lines of $18.1 million primarily due to a reduction in the costs associated with the Company’s main proportional retrocession program during the year endedDecember 31, 2015 and was partially offset by an increase in the specialty lines of $2.9 million.

• Net premiums earned for the year endedDecember 31, 2015 were $990.2 million compared to $917.3 million for the year endedDecember 31, 2014, an increase of $72.9 million, or 8.0%. The increase was primarily due to an increase in the specialty lines of $131.8 million as a result of the increase in gross premiums written as described above and was partially offset by decreases in the property and marine lines of $39.2 million and $19.7 million, respectively, as a result of lower gross premiums written during the year endedDecember 31, 2015 compared to the year endedDecember 31, 2014.

• Losses and loss expenses for the year endedDecember 31, 2015 were $458.0 million compared to $307.3 million for the year endedDecember 31, 2014, an increase of $150.7 million or 49.0%, primarily as a result of an increase in attritional losses and losses from notable loss events during the year endedDecember 31, 2015.

◦ The loss ratio for the year endedDecember 31, 2015 was 46.2%, which included $128.6 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 13.0 percentage points compared to a loss ratio for the year endedDecember 31, 2014 of 33.5% which included $87.6 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 9.5 percentage points.

Notable and Non-notable Loss Events

◦ During the year endedDecember 31, 2014, there was one notable loss event and two non-notable loss events that impacted Validus Re as set out in the table below:

	Year Ended December 31, 2014
	Notable Loss Event			Non-notable Loss Events						Total
(Dollars in thousands)	Tripoli Airport			Japanese Snowstorm			2014 Chilean Earthquake
Validus Re’s Share of Net Losses and Loss Expenses	$	22,469		$	16,256		$	13,627		$	52,352
Less: Reinstatement Premiums, net	(3,007		)	(2,239		)	(221		)	(5,467		)
Net Loss Attributable to Validus Re	$	19,462		$	14,017		$	13,406		$	46,885

Notable Loss Events

◦ For the year endedDecember 31, 2014, losses and loss expenses from a single notable loss event, Tripoli Airport, were $22.5 million, or 2.4 percentage points of the loss ratio and primarily related to the specialty lines. Net of reinstatement premiums of $3.0 million, this event resulted in an aggregate reduction of underwriting income of $19.5 million.

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Non-notable Loss Events

◦ For the year endedDecember 31, 2014, losses and loss expenses incurred from two non-notable loss events, the Japanese Snowstorm and the 2014 Chilean Earthquake, were $29.9 million, or 3.3 percentage points of the loss ratio and related solely to the property lines. Net of reinstatement premiums of $2.5 million, these events resulted in an aggregate reduction of underwriting income of $27.4 million.

Change in prior accident years

• Loss reserve development by line of business for the year ended December 31, 2014 was as follows:

	Year Ended December 31, 2014
(Dollars in thousands)	Property			Marine			Specialty			Total
(Favorable) adverse development on events	$	(28,831	)	$	12,104		$	1,258		$	(15,469	)
(Favorable) development on attritional losses	(47,233		)	(18,934		)	(5,964		)	(72,131		)
Change in prior accident years	$	(76,064	)	$	(6,830	)	$	(4,706	)	$	(87,600	)

The favorable development on events in the property lines was primarily related to the European Floods and Superstorm Sandy notable loss events. The adverse development on events in the marine lines was primarily related to the Costa Concordia notable loss event, and was partially offset by favorable development on the Gryphon Alpha mooring failure notable loss event.

• Policy acquisition costs for the year endedDecember 31, 2015 were $166.4 million compared to $141.7 million for the year endedDecember 31, 2014, an increase of $24.7 million, or 1.3 percentage points of the policy acquisition costs ratio. The increase was primarily due to an increase in the policy acquisition costs ratio in the marine and specialty lines of 4.3 and 1.4 percentage points, respectively, as a result of the impact of premium adjustments and profit commissions, respectively.

• General and administration expenses for the year endedDecember 31, 2015 were $78.4 million compared to $74.7 million for the year endedDecember 31, 2014, an increase of $3.7 million, or 4.9%. The increase was primarily due to a greater retention of costs within the segment and an increase in staff costs related to overseas underwriting operations during the year ended December 31, 2015. This increase was partially offset by a reduction in office and infrastructure costs in the current year related to entities that are no longer in use as a result of efficiencies achieved through rationalization of historical Flagstone entities.

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Full Year 2016 Results of Operations - Talbot Segment

The following table presents underwriting income by line of business for the years ended December 31, 2016 and 2015:

	Years Ended December 31,
	2016												2015
(Dollars in thousands)	Property			Marine			Specialty			Total			Property			Marine			Specialty			Total
Underwriting revenues
Gross premiums written	$	317,085		$	261,940		$	391,677		$	970,702		$	327,122		$	327,539		$	364,174		$	1,018,835
Reinsurance premiums ceded	(86,308		)	(29,502		)	(59,919		)	(175,729		)	(103,677		)	(34,087		)	(61,132		)	(198,896		)
Net premiums written	230,777			232,438			331,758			794,973			223,445			293,452			303,042			819,939
Change in unearned premiums	(2,923		)	27,782			(37,916		)	(13,057		)	(2,142		)	25,506			(5,212		)	18,152
Net premiums earned	227,854			260,220			293,842			781,916			221,303			318,958			297,830			838,091
Other insurance related income										455												851
Total underwriting revenues										782,371												838,942
Underwriting deductions
Losses and loss expenses	142,669			147,158			135,119			424,946			86,807			130,521			129,994			347,322
Policy acquisition costs	37,082			68,593			71,452			177,127			32,768			82,705			72,062			187,535
Total underwriting deductions before G&A	179,751			215,751			206,571			602,073			119,575			213,226			202,056			534,857
Underwriting income before G&A	$	48,103		$	44,469		$	87,271		$	180,298		$	101,728		$	105,732		$	95,774		$	304,085
General and administrative expenses										134,479												155,306
Share compensation expenses										13,078												12,373
Total underwriting deductions										749,630												702,536
Underwriting income (a)										$	32,741											$	136,406
Supplemental information:
Losses and loss expenses:
Current period excluding items below	$	155,175		$	140,750		$	170,215		$	466,140		$	131,298		$	173,174		$	160,038		$	464,510
Current period—notable loss events	20,082			3,414			608			24,104			3,727			20,767			—			24,494
Current period—non-notable loss events	5,780			14,732			—			20,512			4,175			500			—			4,675
Change in prior accident years	(38,368		)	(11,738		)	(35,704		)	(85,810		)	(52,393		)	(63,920		)	(30,044		)	(146,357		)
Total losses and loss expenses	$	142,669		$	147,158		$	135,119		$	424,946		$	86,807		$	130,521		$	129,994		$	347,322
Selected ratios:
Ratio of net to gross premiums written	72.8		%	88.7		%	84.7		%	81.9		%	68.3		%	89.6		%	83.2		%	80.5		%
Losses and loss expense ratio:
Current period excluding items below	68.1		%	54.1		%	58.0		%	59.6		%	59.3		%	54.2		%	53.7		%	55.4		%
Current period—notable loss events	8.8		%	1.3		%	0.2		%	3.1		%	1.7		%	6.5		%	—		%	2.9		%
Current period—non-notable loss events	2.5		%	5.7		%	—		%	2.6		%	1.9		%	0.2		%	—		%	0.6		%
Change in prior accident years	(16.8		)%	(4.5		)%	(12.2		)%	(11.0		)%	(23.7		)%	(20.0		)%	(10.1		)%	(17.5		)%
Losses and loss expense ratio	62.6		%	56.6		%	46.0		%	54.3		%	39.2		%	40.9		%	43.6		%	41.4		%
Policy acquisition cost ratio	16.3		%	26.4		%	24.3		%	22.7		%	14.8		%	25.9		%	24.2		%	22.4		%
General and administrative expense ratio (b)										18.9		%										20.0		%
Expense ratio										41.6		%										42.4		%
Combined ratio										95.9		%										83.8		%

(a) Non-GAAP Financial Measures. In presenting the Company’s results, management has included and discussed underwriting income that is not calculated under standards or rules that comprise U.S. GAAP. Such measures are referred to as non-GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(b) The general and administrative expense ratio includes share compensation expenses.

74

Highlights for the for the year endedDecember 31, 2016 as compared to the year endedDecember 31, 2015 were as follows:

• Gross premiums written for the year endedDecember 31, 2016 were $970.7 million compared to $1,018.8 million for the year endedDecember 31, 2015, a decrease of $48.1 million, or 4.7%. The decrease in gross premiums written was primarily driven by:

◦ A decrease in gross premiums written in the property lines of $10.0 million. The decrease includes an increase in premium estimates of $5.2 million, which had no impact on earned premium. After the impact of these changes in estimates, the decrease was primarily driven by decreases in the downstream energy and power and property treaty classes as a result of the timing of renewals, the non-renewal of various programs due to the current rate environment and reduced premium adjustments in the current year; and

◦ A decrease in gross premiums written in the marine lines of $65.6 million, which includes an increase in premium estimates of $4.2 million, which had no impact on earned premium. After the impact of these changes in estimates, the decrease was primarily driven by decreases in the upstream energy and cargo classes as a result of reductions in our participation and non-renewals on various programs due to continued pressure on rates from the lack of activity and lower prices in the oil and gas sector; partially offset by,

◦ An increase in gross premiums written in the specialty lines of $27.5 million. The increase includes an increase in premium estimates of $17.0 million, which had no impact on earned premium. After the impact of these changes in estimates, the increase was primarily driven by increases in the contingency and political violence classes as a result of premium adjustments on prior period policies and an increase in the financial lines as a result of new business written during the year. The increases were partially offset by a decrease in the aviation direct class as a result of non-renewals on various programs due to continued pressure on rates.

• Reinsurance premiums ceded for the year endedDecember 31, 2016 were $175.7 million compared to $198.9 million for the year endedDecember 31, 2015, a decrease of $23.2 million, or 11.6%. The decrease was primarily due to a decrease in the property lines of $17.4 million as a result of lower quota share ceded premiums during the year endedDecember 31, 2016 compared to the year endedDecember 31, 2015 and a decrease in the marine lines of $4.6 million as a result of higher reinstatement premiums during the year endedDecember 31, 2015, which was primarily attributable to $11.1 million of reinstatement premiums from Pemex, a 2015 notable loss event.

• Net premiums earned for the year endedDecember 31, 2016 were $781.9 million compared to $838.1 million for the year endedDecember 31, 2015, a decrease of $56.2 million, or 6.7%. Excluding the impact of the changes in estimates noted above on gross premiums written, which had no impact on earned premium, the decrease was primarily driven by the overall reduction in net premiums written in the marine lines and slower earnings patterns on longer-term contracts in the specialty lines during the year ended December 31, 2016 compared to the year endedDecember 31, 2015.

• Losses and loss expenses for the year endedDecember 31, 2016 were $424.9 million compared to $347.3 million for the year endedDecember 31, 2015, an increase of $77.6 million or 22.3%, primarily as a result of lower favorable development on prior accident years and higher losses from non-notable loss events during the year endedDecember 31, 2016.

◦ The loss ratio for the year endedDecember 31, 2016 was 54.3%, which included $85.8 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 11.0 percentage points compared to a loss ratio for the year endedDecember 31, 2015 of 41.4%, which included $146.4 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 17.5 percentage points.

75

Notable and Non-notable Loss Events

◦ During the year endedDecember 31, 2016, there were three notable loss events and four non-notable loss events that impacted Talbot as set out in the table below:

	Year Ended December 31, 2016
	Notable Loss Events							Non-notable Loss Events										Total
(Dollars in thousands)	Canadian Wildfires			Hurricane Matthew		2016 New Zealand Earthquake		Texas Hailstorms			Kumamoto Earthquake		Jubilee Oil			SpaceX
Talbot’s Share of Net Losses and Loss Expenses	$	9,517		$	12,337	$	2,250	$	5,496		$	285	$	4,837		$	9,894	$	44,616
Less: Reinstatement Premiums, net	(411		)	—		3		(31		)	—		(961		)	883		(517		)
Net Loss Attributable to Talbot	$	9,106		$	12,337	$	2,253	$	5,465		$	285	$	3,876		$	10,777	$	44,099

◦ During the year endedDecember 31, 2015, there were two notable loss events and one non-notable loss event that impacted Talbot as set out in the table below:

	Year Ended December 31, 2015
	Notable Loss Events					Non-notable Loss Event		Total
(Dollars in thousands)	Tianjin			Pemex		2015 Chilean Earthquake
Talbot’s Share of Net Losses and Loss Expenses	$	11,609		$	12,885	$	4,675	$	29,169
Less: Reinstatement Premiums, net	(760		)	11,070		—		10,310
Net Loss Attributable to Talbot	$	10,849		$	23,955	$	4,675	$	39,479

Notable Loss Events

◦ For the year endedDecember 31, 2016, losses and loss expenses from three notable loss events, the Canadian Wildfires, Hurricane Matthew and the 2016 New Zealand Earthquake were $24.1 million, or 3.1 percentage points of the loss ratio. Net of reinstatement premiums of $0.4 million, these events resulted in an aggregate reduction of underwriting income of $23.7 million. The losses and loss expenses of the 2016 notable loss events by line of business were as follows:

▪Canadian Wildfires - property and specialty lines of $9.3 million and $0.2 million, respectively;

▪ Hurricane Matthew - property, marine and specialty lines of $8.5 million, $3.4 million and $0.4 million, respectively; and

▪2016 New Zealand Earthquake - property lines of $2.3 million.

◦ For the year endedDecember 31, 2015, losses and loss expenses from two notable loss events, Tianjin and Pemex, were $24.5 million, or 2.9 percentage points of the loss ratio. Including reinstatement premiums of $10.3 million, these events resulted in an aggregate reduction of underwriting income of $34.8 million. The losses and loss expenses of the 2015 notable loss events by line of business were as follows:

▪Tianjin - property and marine lines of $3.3 million and $8.3 million, respectively; and

▪Pemex - property and marine lines of $0.4 million and $12.5 million, respectively.

Non-notable Loss Events

◦ For the year endedDecember 31, 2016, losses and loss expenses incurred from the 2016 non-notable loss events, the Texas Hailstorms, Kumamoto Earthquake, Jubilee Oil and SpaceX, were $20.5 million, or 2.6 percentage points of the loss ratio. Net of reinstatement premiums of $0.1 million, these events resulted in an aggregate reduction of underwriting income of $20.4 million. The losses and loss expenses of the 2016 non-notable loss events by line of business were as follows:

▪Texas Hailstorms and Kumamoto Earthquake - property lines of $5.8 million; and

▪Jubilee Oil and SpaceX - marine lines of $14.7 million.

◦ For the year endedDecember 31, 2015, losses and loss expenses from the 2015 Chilean earthquake non-notable loss event were $4.7 million, or 0.6 percentage points of the loss ratio, and related primarily to Talbot’s property lines.

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Change in prior accident years

• Loss reserve development by line of business was as follows:

	Year Ended December 31, 2016
(Dollars in thousands)	Property			Marine			Specialty			Total
(Favorable) adverse development on events	$	(9,206	)	$	18,169		$	(2,129	)	$	6,834
(Favorable) development on attritional losses	(29,162		)	(29,907		)	(33,575		)	(92,644		)
Change in prior accident years	$	(38,368	)	$	(11,738	)	$	(35,704	)	$	(85,810	)

The adverse development on events in the marine lines primarily related to adverse development established following the receipt of a loss advice on an individual marine policy that incepted during the second half of 2015.

	Year Ended December 31, 2015
	Property			Marine			Specialty			Total
(Favorable) adverse development on events	$	(7,947	)	$	286		$	(8,217	)	$	(15,878	)
(Favorable) development on attritional losses	(44,446		)	(64,206		)	(21,827		)	(130,479		)
Change in prior accident years	$	(52,393	)	$	(63,920	)	$	(30,044	)	$	(146,357	)

The favorable development on events in the property lines was primarily related to the 2011 Thailand Floods notable loss event.

• Policy acquisition costs for the year endedDecember 31, 2016 were $177.1 million compared to $187.5 million for the year endedDecember 31, 2015, a decrease of $10.4 million, or 0.3 percentage points of the policy acquisition costs ratio.

• General and administration expenses for the year endedDecember 31, 2016 were $134.5 million compared to $155.3 million for the year endedDecember 31, 2015, a decrease of $20.8 million, or 13.4%. The decrease was primarily due to the impact of foreign exchange and a reduction in the performance bonus accrual.

77

The following table presents underwriting income by line of business for the years ended December 31, 2015 and 2014:

	Years Ended December 31,
	2015												2014
(Dollars in thousands)	Property			Marine			Specialty			Total			Property			Marine			Specialty			Total
Underwriting revenues
Gross premiums written	$	327,122		$	327,539		$	364,174		$	1,018,835		$	337,210		$	392,701		$	371,859		$	1,101,770
Reinsurance premiums ceded	(103,677		)	(34,087		)	(61,132		)	(198,896		)	(111,948		)	(24,928		)	(55,335		)	(192,211		)
Net premiums written	223,445			293,452			303,042			819,939			225,262			367,773			316,524			909,559
Change in unearned premiums	(2,142		)	25,506			(5,212		)	18,152			(16,486		)	(1,435		)	(11,864		)	(29,785		)
Net premiums earned	221,303			318,958			297,830			838,091			208,776			366,338			304,660			879,774
Other insurance related income										851												1,095
Total underwriting revenues										838,942												880,869
Underwriting deductions
Losses and loss expenses	86,807			130,521			129,994			347,322			98,678			157,177			167,539			423,394
Policy acquisition costs	32,768			82,705			72,062			187,535			27,549			88,079			71,534			187,162
Total underwriting deductions before G&A	119,575			213,226			202,056			534,857			126,227			245,256			239,073			610,556
Underwriting income before G&A	$	101,728		$	105,732		$	95,774		$	304,085		$	82,549		$	121,082		$	65,587		$	270,313
General and administrative expenses										155,306												150,828
Share compensation expenses										12,373												11,346
Total underwriting deductions										702,536												772,730
Underwriting income (a)										$	136,406											$	108,139
Supplemental information:
Losses and loss expenses:
Current period excluding items below	$	131,298		$	173,174		$	160,038		$	464,510		$	147,672		$	188,383		$	211,245		$	547,300
Current period—notable loss events	3,727			20,767			—			24,494			—			191			12,284			12,475
Current period—non-notable loss events	4,175			500			—			4,675			4,785			—			—			4,785
Change in prior accident years	(52,393		)	(63,920		)	(30,044		)	(146,357		)	(53,779		)	(31,397		)	(55,990		)	(141,166		)
Total losses and loss expenses	$	86,807		$	130,521		$	129,994		$	347,322		$	98,678		$	157,177		$	167,539		$	423,394
Selected ratios:
Ratio of net to gross premiums written	68.3		%	89.6		%	83.2		%	80.5		%	66.8		%	93.7		%	85.1		%	82.6		%
Losses and loss expense ratio:
Current period excluding items below	59.3		%	54.2		%	53.7		%	55.4		%	70.8		%	51.4		%	69.4		%	62.3		%
Current period—notable loss events	1.7		%	6.5		%	—		%	2.9		%	—		%	0.1		%	4.0		%	1.4		%
Current period—non-notable loss events	1.9		%	0.2		%	—		%	0.6		%	2.3		%	—		%	—		%	0.5		%
Change in prior accident years	(23.7		)%	(20.0		)%	(10.1		)%	(17.5		)%	(25.8		)%	(8.6		)%	(18.4		)%	(16.1		)%
Losses and loss expense ratio	39.2		%	40.9		%	43.6		%	41.4		%	47.3		%	42.9		%	55.0		%	48.1		%
Policy acquisition cost ratio	14.8		%	25.9		%	24.2		%	22.4		%	13.2		%	24.0		%	23.5		%	21.3		%
General and administrative expense ratio (b)										20.0		%										18.4		%
Expense ratio										42.4		%										39.7		%
Combined ratio										83.8		%										87.8		%

(a) Non-GAAP Financial Measures. In presenting the Company’s results, management has included and discussed underwriting income that is not calculated under standards or rules that comprise U.S. GAAP. Such measures are referred to as non-GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(b) The general and administrative expense ratio includes share compensation expenses.

78

Highlights for the for the year endedDecember 31, 2015 as compared to the year endedDecember 31, 2014 were as follows:

• Gross premiums written for the year endedDecember 31, 2015 were $1,018.8 million compared to $1,101.8 million for the year endedDecember 31, 2014, a decrease of $82.9 million or 7.5%. The decrease in gross premiums written was primarily driven by:

◦ A decrease in gross premiums written in the property lines of $10.1 million, primarily due to a decrease in the property treaty lines of $9.3 million which related primarily to Latin American business being written directly by Validus Re Swiss. In addition, renewed business in the downstream energy and power international lines has decreased due to unfavorable market conditions. These decreases were partially offset by an increase in the construction lines as a result of new projects and amendments to existing contracts; and

◦ A decrease in gross premiums written in the marine lines of $65.2 million, primarily driven by a decrease in the upstream energy and cargo lines due to ongoing market conditions and economic factors, including the worldwide reduction in oil prices, which have reduced new business and renewals. Also contributing to the decrease was a decrease in the marine hull lines primarily as a result of 18-month policies written during the year ended December 31, 2014 which were not yet due for renewal; and

◦ A decrease in gross premiums written in the specialty lines of $7.7 million, primarily driven by a decrease in the aviation treaty lines as a result of a higher level of reinstatement premiums and adjustments to prior year policies during the year ended December 31, 2014.

• Reinsurance premiums ceded for the year endedDecember 31, 2015 were $198.9 million compared to $192.2 million for the year endedDecember 31, 2014, an increase of $6.7 million, or 3.5%. The increase was primarily due to an increase in the marine and specialty lines of $9.2 million and $5.8 million, respectively, primarily due to increased reinstatement premiums across a number of classes and was partially offset by a decrease in the property lines of $8.3 million due to lower quota share premiums as a result of the Latin American business being written directly by Validus Re Swiss and due to a decrease in reinstatement premiums in the year ended December 31, 2015.

• Net premiums earned for the year endedDecember 31, 2015 were $838.1 million compared to $879.8 million for the year endedDecember 31, 2014, a decrease of $41.7 million, or 4.7%. The decrease was consistent with the pattern of gross premiums written and reinsurance premiums ceded as discussed above.

• Losses and loss expenses for the year endedDecember 31, 2015 were $347.3 million compared to $423.4 million for the year endedDecember 31, 2014, a decrease of $76.1 million or 18.0%, primarily as a result of lower attritional losses during the year endedDecember 31, 2015.

◦ The loss ratio for the year endedDecember 31, 2015 was 41.4%, which included $146.4 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 17.5 percentage points compared to a loss ratio for the year endedDecember 31, 2014 of 48.1% which included $141.2 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 16.1 percentage points.

Notable and Non-notable Loss Events

◦ During the year endedDecember 31, 2014, there was one notable loss event and one non-notable loss event that impacted Talbot as set out in the table below:

	Year Ended December 31, 2014
	Notable Loss Event			Non-Notable Loss Event			Total
(Dollars in thousands)	Tripoli Airport			2014 Chilean Earthquake
Talbot’s Share of Net Losses and Loss Expenses	$	12,475		$	4,785		$	17,260
Less: Reinstatement Premiums, net	(808		)	(275		)	(1,083		)
Net Loss Attributable to Talbot	$	11,667		$	4,510		$	16,177

Notable Loss Events

◦ For the year endedDecember 31, 2014, losses and loss expenses from a single notable loss event, Tripoli Airport, were $12.5 million, or 1.4 percentage points of the loss ratio and primarily related to the specialty lines. Net of reinstatement premiums of $0.8 million, this event resulted in an aggregate reduction of underwriting income of $11.7 million.

79

Non-notable Loss Events

◦ For the year endedDecember 31, 2014, losses and loss expenses incurred from a single non-notable loss event, the 2014 Chilean Earthquake, were $4.8 million, or 0.5 percentage points of the loss ratio and related solely to the property lines. Net of reinstatement premiums of $0.3 million, this event resulted in an aggregate reduction of underwriting income of $4.5 million.

Change in prior accident years

• Loss reserve development by line of business for the year ended December 31, 2014 was as follows:

	Year Ended December 31, 2014
(Dollars in thousands)	Property			Marine			Specialty			Total
(Favorable) development on events	$	(18,266	)	$	(5,733	)	$	(4,051	)	$	(28,050	)
(Favorable) development on attritional losses	(35,513		)	(25,664		)	(51,939		)	(113,116		)
Change in prior accident years	$	(53,779	)	$	(31,397	)	$	(55,990	)	$	(141,166	)

The favorable development on events in the property lines was primarily related to the 2011 Tohoku earthquake notable loss event.

• Policy acquisition costs for the year endedDecember 31, 2015 were $187.5 million compared to $187.2 million for the year endedDecember 31, 2014, an increase of $0.4 million, or 1.1 percentage points of the policy acquisition costs ratio.

• General and administration expenses for the year endedDecember 31, 2015 were $155.3 million compared to $150.8 million for the year endedDecember 31, 2014, an increase of $4.5 million, or 3.0%. The increase was primarily due to a greater retention of costs within the segment and an increase in the performance bonus accrual.

80

Full Year 2016 Results of Operations - Western World Segment

The following table presents underwriting income by line of business for the years ended December 31, 2016 and 2015:

	Years Ended December 31,
	2016									2015
(Dollars in thousands)	Property			Liability			Total			Property			Liability			Total
Underwriting revenues
Gross premiums written	$	94,440		$	228,780		$	323,220		$	53,018		$	225,486		$	278,504
Reinsurance premiums ceded	(10,070		)	(12,564		)	(22,634		)	(4,347		)	(14,530		)	(18,877		)
Net premiums written	84,370			216,216			300,586			48,671			210,956			259,627
Change in unearned premiums	(21,216		)	(6,138		)	(27,354		)	(4,588		)	3,611			(977		)
Net premiums earned	63,154			210,078			273,232			44,083			214,567			258,650
Other insurance related income							912									1,044
Total underwriting revenues							274,144									259,694
Underwriting deductions
Losses and loss expenses	45,469			138,343			183,812			23,104			148,774			171,878
Policy acquisition costs	15,840			48,602			64,442			6,948			34,460			41,408
Total underwriting deductions before G&A	61,309			186,945			248,254			30,052			183,234			213,286
Underwriting income before G&A	$	1,845		$	23,133		$	25,890		$	14,031		$	31,333		$	46,408
General and administrative expenses							43,280									38,715
Share compensation expenses							2,543									2,083
Total underwriting deductions							294,077									254,084
Underwriting (loss) income (a)							$	(19,933	)							$	5,610
Supplemental information:
Losses and loss expenses:
Current period excluding items below	$	44,065		$	144,754		$	188,819		$	29,149		$	165,696		$	194,845
Current period—notable loss events	3,400			—			3,400			—			—			—
Current period—non-notable loss events	705			—			705			—			—			—
Change in prior accident years	(2,701		)	(6,411		)	(9,112		)	(6,045		)	(16,922		)	(22,967		)
Total losses and loss expenses	$	45,469		$	138,343		$	183,812		$	23,104		$	148,774		$	171,878
Selected ratios:
Ratio of net to gross premiums written	89.3		%	94.5		%	93.0		%	91.8		%	93.6		%	93.2		%
Losses and loss expense ratio:
Current period excluding items below	69.8		%	69.0		%	69.1		%	66.1		%	77.2		%	75.3		%
Current period—notable loss events	5.4		%	—		%	1.2		%	—		%	—		%	—		%
Current period—non-notable loss events	1.1		%	—		%	0.3		%	—		%	—		%	—		%
Change in prior accident years	(4.3		)%	(3.1		)%	(3.3		)%	(13.7		)%	(7.9		)%	(8.9		)%
Losses and loss expense ratio	72.0		%	65.9		%	67.3		%	52.4		%	69.3		%	66.4		%
Policy acquisition cost ratio	25.1		%	23.1		%	23.5		%	15.8		%	16.1		%	16.0		%
General and administrative expense ratio (b)							16.8		%							15.8		%
Expense ratio							40.3		%							31.8		%
Combined ratio							107.6		%							98.2		%

(a) Non-GAAP Financial Measures. In presenting the Company’s results, management has included and discussed underwriting income that is not calculated under standards or rules that comprise U.S. GAAP. Such measures are referred to as non-GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(b) The general and administrative expense ratio includes share compensation expenses.

81

Highlights for the for the year endedDecember 31, 2016 as compared to the year endedDecember 31, 2015 were as follows:

• Gross premiums written for the year endedDecember 31, 2016 were $323.2 million compared to $278.5 million for the year endedDecember 31, 2015, an increase of $44.7 million, or 16.1%. The increase in gross premiums written was primarily driven by:

◦ An increase in gross premiums written in the property lines of $41.4 million primarily due to increases in the brokerage property, contract commercial package property, monoline property and program flood classes of $12.5 million, $12.2 million, $6.9 million and $6.4 million, respectively, as a result of the continued build out of the underwriting platform in short tail lines.

◦ An increase in gross premiums written in the liability lines of $3.3 million. The increase was driven by increases in the contract liability and brokerage professional lines of $12.2 million and $6.3 million, respectively, and was partially offset by decreases arising from the discontinuation of underperforming programs and brokerage general liability lines.

• Reinsurance premiums ceded for the year endedDecember 31, 2016 were $22.6 million compared to $18.9 million for the year endedDecember 31, 2015, an increase of $3.8 million, or 19.9% and were driven by the factors highlighted above in respect of gross premiums written.

• Net premiums earned for the year endedDecember 31, 2016 were $273.2 million compared to $258.7 million for the year endedDecember 31, 2015, an increase of $14.6 million, or 5.6%. The increase was primarily driven by the increase in gross premiums written in the property lines and was partially offset by the discontinuation of various liability lines as discussed above.

• Losses and loss expenses for the year endedDecember 31, 2016 were $183.8 million compared to $171.9 million for the year endedDecember 31, 2015, an increase of $11.9 million or 6.9%, primarily as a result of losses incurred from notable loss events during the year endedDecember 31, 2016 and lower favorable development on prior accident years as discussed below. Included as part of current year losses and loss expenses for the year endedDecember 31, 2016 are $14.3 million, or 5.2 percentage points of the loss ratio, of losses from other U.S.-based weather losses.

◦ The loss ratio for the year endedDecember 31, 2016 was 67.3%, which included $9.1 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 3.3 percentage points compared to a loss ratio for the year endedDecember 31, 2015 of 66.4% which included $23.0 million of favorable loss reserve development on prior accident years, benefiting the loss ratio by 8.9 percentage points. The favorable development of $23.0 million on prior accident years for the year endedDecember 31, 2015 primarily relates to favorable development on attritional losses and also includes the amortization of the risk premium adjustment accounted for at the time of the acquisition of Western World. This adjustment was fully amortized to income through a reduction in losses and loss expenses of $11.0 million during the year ended December 31, 2015, benefiting the loss ratio by 4.2 percentage points.

Notable and Non-notable Loss Events

◦ During the year endedDecember 31, 2016, there was one notable and one non-notable loss event that impacted Western World as set out in the table below:

	Year Ended December 31, 2016
	Notable Loss Event		Non-notable Loss Event		Total
(Dollars in thousands)	Hurricane Matthew		Texas Hailstorms
Western World’s Share of Net Losses and Loss Expenses	$	3,400	$	705	$	4,105
Less: Reinstatement Premiums, net	—		—		—
Net Loss Attributable to Western World	$	3,400	$	705	$	4,105

Notable Loss Events

◦ For the year endedDecember 31, 2016, losses and loss expenses from a single notable loss event, Hurricane Matthew, were $3.4 million, or 1.2 percentage points of the loss ratio and solely impacted Western World’s property lines.

Non-notable Loss Events

◦ For the year endedDecember 31, 2016, losses and loss expenses incurred from a single non-notable loss event, the Texas Hailstorms, were $0.7 million, or 0.3 percentage points of the loss ratio and solely impacted Western World’s property lines.

82

• Policy acquisition costs for the year endedDecember 31, 2016 were $64.4 million compared to $41.4 million for the year endedDecember 31, 2015, an increase of $23.0 million, or 7.5 percentage points of the policy acquisition costs ratio. The increase was primarily a result of an adjustment made upon the acquisition of Western World to reduce deferred acquisition costs to reflect fair value. These deferred acquisition costs would otherwise have been expensed in the amount of $21.8 million during the year endedDecember 31, 2015, benefiting the policy acquisition costs ratio by 8.4 percentage points.

• General and administration expenses for the year endedDecember 31, 2016 were $43.3 million compared to $38.7 million for the year endedDecember 31, 2015, an increase of $4.6 million, or 11.8%. The increase was primarily due to increases in staff costs associated with the opening of new offices in Scottsdale, Atlanta, and New York.

83

The following table presents underwriting income by line of business for the years ended December 31, 2015 and 2014. As the Company acquired Western World on October 2, 2014 and the results of Western World have been included in the Company’s consolidated results from the date of acquisition, no meaningful comparison is available for the years ended December 31, 2015 versus 2014.

	Year Ended December 31, 2015									Year Ended December 31, 2014 (a)
(Dollars in thousands)	Property			Liability			Total			Property			Liability			Total
Underwriting revenues
Gross premiums written	$	53,018		$	225,486		$	278,504		$	9,983		$	55,252		$	65,235
Reinsurance premiums ceded	(4,347		)	(14,530		)	(18,877		)	(1,535		)	(4,893		)	(6,428		)
Net premiums written	48,671			210,956			259,627			8,448			50,359			58,807
Change in unearned premiums	(4,588		)	3,611			(977		)	2,806			11,383			14,189
Net premiums earned	44,083			214,567			258,650			11,254			61,742			72,996
Other insurance related income							1,044									264
Total underwriting revenues							259,694									73,260
Underwriting deductions
Losses and loss expenses	23,104			148,774			171,878			8,883			42,152			51,035
Policy acquisition costs	6,948			34,460			41,408			609			2,560			3,169
Total underwriting deductions before G&A	30,052			183,234			213,286			9,492			44,712			54,204
Underwriting income before G&A	$	14,031		$	31,333		$	46,408		$	1,762		$	17,030		$	19,056
General and administrative expenses							38,715									11,121
Share compensation expenses							2,083									135
Total underwriting deductions							254,084									65,460
Underwriting income (b)							$	5,610								$	7,800
Supplemental information:
Losses and loss expenses:
Current period excluding items below	$	29,149		$	165,696		$	194,845		$	7,860		$	54,415		$	62,275
Current period—notable loss events	—			—			—			—			—			—
Current period—non-notable loss events	—			—			—			—			—			—
Change in prior accident years	(6,045		)	(16,922		)	(22,967		)	1,023			(12,263		)	(11,240		)
Total losses and loss expenses	$	23,104		$	148,774		$	171,878		$	8,883		$	42,152		$	51,035
Selected ratios:
Ratio of net to gross premiums written	91.8		%	93.6		%	93.2		%	84.6		%	91.1		%	90.1		%
Losses and loss expense ratio:
Current period excluding items below	66.1		%	77.2		%	75.3		%	69.8		%	88.2		%	85.3		%
Current period—notable loss events	—		%	—		%	—		%	—		%	—		%	—		%
Current period—non-notable loss events	—		%	—		%	—		%	—		%	—		%	—		%
Change in prior accident years	(13.7		)%	(7.9		)%	(8.9		)%	9.1		%	(19.9		)%	(15.4		)%
Losses and loss expense ratio	52.4		%	69.3		%	66.4		%	78.9		%	68.3		%	69.9		%
Policy acquisition cost ratio	15.8		%	16.1		%	16.0		%	5.4		%	4.1		%	4.4		%
General and administrative expense ratio (c)							15.8		%							15.4		%
Expense ratio							31.8		%							19.8		%
Combined ratio							98.2		%							89.7		%

(a) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

(b) Non-GAAP Financial Measures. In presenting the Company’s results, management has included and discussed underwriting income that is not calculated under standards or rules that comprise U.S. GAAP. Such measures are referred to as non-GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(c) The general and administrative expense ratio includes share compensation expenses.

84

Full Year 2016, 2015and2014 Results of Operations - AlphaCat Segment

The following table presents Validus’ share of the AlphaCat segment income on an asset manager basis for the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
(Dollars in thousands)	2016			2015			2014
Revenues
Third party	$	18,771		$	19,661		$	18,667
Related party	3,329			5,309			7,467
Total revenues	22,100			24,970			26,134
Expenses
General and administrative expenses	10,233			12,115			10,134
Share compensation expenses	249			580			501
Finance expenses	947			9,312			3,417
Tax expenses	90			—			—
Foreign exchange losses (gains)	19			(16		)	(20		)
Total expenses	11,538			21,991			14,032
Income before investment income from AlphaCat Funds and Sidecars	10,562			2,979			12,102
Investment income (loss) from AlphaCat Funds and Sidecars (b)
AlphaCat Re & Master Fund	—			—			(1,377		)
AlphaCat Sidecars	607			5,504			10,525
AlphaCat ILS Funds - Lower Risk (c)	8,901			7,491			7,974
AlphaCat ILS Funds - Higher Risk (c)	7,471			8,428			8,754
BetaCat ILS Funds	3,623			1,702			(51		)
PaCRe	(23		)	(3,949		)	(4,340		)
Total investment income from AlphaCat Funds and Sidecars	20,579			19,176			21,485
Validus’ share of AlphaCat income	$	31,141		$	22,155		$	33,587
Supplemental information:
Gross premiums written
AlphaCat Sidecars	$	(341	)	$	45,755		$	50,023
AlphaCat ILS Funds - Lower Risk (c)	112,222			91,363			52,264
AlphaCat ILS Funds - Higher Risk (c)	140,022			34,228			24,498
AlphaCat Direct (d)	18,499			4,780			—
Total	$	270,402		$	176,126		$	126,785

(a) In presenting the Company’s results, management has included and discussed the results of AlphaCat, which are presented on an asset manager basis. Validus’ share of AlphaCat income is a non-GAAP measure and is not calculated under standards or rules that comprise U.S. GAAP. Further discussion of these measures is presented in the section entitled “Non-GAAP Financial Measures.”

(b) The investment income from the AlphaCat funds and sidecars is based on equity accounting.

(c) Lower risk AlphaCat ILS funds have a maximum permitted portfolio expected loss of less than 7%, whereas higher risk AlphaCat ILS funds have a maximum permitted portfolio expected loss of greater than 7%. Expected loss represents the average annual loss over the set of simulation scenarios divided by the total limit.

(d) AlphaCat Direct includes direct investments from third party investors in AlphaCat Re.

85

Revenues

Revenues earned for the years ended December 31, 2016, 2015 and 2014 were $22.1 million, $25.0 million and $26.1 million, inclusive of third party revenues of $18.8 million, $19.7 million and $18.7 million, respectively. The decrease in third party revenues earned of $0.9 million during the year endedDecember 31, 2016 as compared to 2015 was primarily attributable to a decrease in performance fees earned as a result of the 2016 notable and non-notable loss events. The increase in revenues earned from third parties of $1.0 million during the year endedDecember 31, 2015 as compared to 2014 was driven by an increase in third party assets under management.

Expenses

Total expenses for the years ended December 31, 2016, 2015 and 2014 were $11.5 million, $22.0 million and $14.0 million, respectively. The decrease of $10.5 million during the year endedDecember 31, 2016 as compared to 2015 and increase of $8.0 million during the year ended December 31, 2015 as compared to 2014 was primarily attributable to higher placement fees incurred in relation to raising new capital during 2015.

Investment income from AlphaCat Funds and Sidecars

Investment income from the AlphaCat Funds and Sidecars, excluding PaCRe which was off-risk effective January 1, 2016, for the years ended December 31, 2016, 2015 and 2014 was $20.6 million, $23.1 million and $25.8 million, respectively. The decrease of $2.5 million during the year ended December 31, 2016 as compared to 2015 was primarily driven by Validus’ share of the net losses and loss expenses arising from notable and non-notable loss events during 2016. The decrease of $2.7 million during the year endedDecember 31, 2015 as compared to 2014 was primarily due to a reduction in related party assets under management and the change in the ratio of higher to lower risk investments during 2015.

Assets Under Management

	Assets Under Management (a)
	January 1,
(Dollars in thousands)	2017		2016
Assets Under Management - Related Party
AlphaCat Sidecars	$	7,729	$	35,416
AlphaCat ILS Funds - Lower Risk	124,297		164,014
AlphaCat ILS Funds - Higher Risk	83,881		65,464
AlphaCat Direct (c)	—		—
BetaCat ILS Funds	26,808		61,749
Total	$	242,715	$	326,643
Assets Under Management - Third Party
AlphaCat Sidecars	$	28,829	$	154,386
AlphaCat ILS Funds - Lower Risk	1,257,287		1,102,462
AlphaCat ILS Funds - Higher Risk	738,813		434,851
AlphaCat Direct (b)	444,668		367,820
BetaCat ILS Funds	29,000		—
Total	2,498,597		2,059,519
Total Assets Under Management	$	2,741,312	$	2,386,162

(a) The Company’s assets under management are based on NAV and are represented by investments made by related parties and third parties in the feeder funds and on a direct basis.

(b) AlphaCat Direct includes direct investments from third party investors in AlphaCat Re.

AlphaCat’s assets under management were $2.7 billion as at January 1, 2017, compared to $2.4 billion as at January 1, 2016. Third party assets under management were $2.5 billion as at January 1, 2017, compared to $2.1 billion as at January 1, 2016. During the year ended December 31, 2016, a total of $672.9 million of capital was raised, of which $638.4 million was raised from third parties. During the year ended December 31, 2016, $505.5 million was returned to investors, of which $365.5 million was returned to third party investors.

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Full Year 2016 Consolidated Results - Corporate and Investments

The following table presents the corporate and investment function’s income and expense items on a consolidated basis for the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
(Dollars in thousands)	2016			2015			2014
Investment income
Managed net investment income (a)	$	141,718		$	121,166		$	95,800
Operating expenses
General and administrative expenses	72,249			75,724			80,210
Share compensation expenses	16,003			12,955			11,352
Finance expenses (a)	57,183			61,071			60,309
Dividends on preferred shares	4,455			—			—
Tax (benefit) expense	(19,819		)	6,376			155
Total operating expenses	130,071			156,126			152,026
Other items
Net realized gains on managed investments (a)	14,680			1,698			12,160
Change in net unrealized gains (losses) on managed investments (a)	14,106			(32,007		)	(1,030		)
(Loss) income from investment affiliates	(2,083		)	4,281			8,411
Foreign exchange gains (losses) (a)	10,778			(8,172		)	(10,700		)
Other loss	(766		)	(1,002		)	(2,243		)
Transaction expenses (b)	—			—			(8,096		)
Total other items	36,715			(35,202		)	(1,498		)
Total Corporate and Investments	$	48,362		$	(70,162	)	$	(57,724	)

(a) These items exclude the components which are included in the Company’s share of AlphaCat and amounts which are consolidated from VIEs.

(b) The transaction expenses relate to costs incurred in connection with the acquisition of Western World and are primarily comprised of legal, financial advisory, and audit related services.

Managed Net Investment Income

	Managed Net Investment Income
	Years Ended December 31,
(Dollars in thousands)	2016			2015			2014
Managed net investment income
Fixed maturities and short-term investments	$	119,085		$	113,627		$	93,044
Other investments	27,860			13,307			5,111
Cash and cash equivalents and restricted cash	2,939			1,911			5,106
Securities lending income	55			16			11
Total gross managed net investment income	149,939			128,861			103,272
Investment expenses	(8,221		)	(7,695		)	(7,472		)
Total managed net investment income	$	141,718		$	121,166		$	95,800

Managed net investment income for the years ended December 31, 2016, 2015 and 2014 was $141.7 million, $121.2 million and $95.8 million, respectively. The increase of $20.6 million during the year ended December 31, 2016 as compared to 2015 was primarily driven by returns on the Company’s portfolio of structured securities, of which $16.7 million was generated from a single fixed income fund. The increase of $25.4 million during the year ended December 31, 2015 as compared to 2014 was driven by a change in asset allocation intended to improve yield. Managed net investment income from other investments includes distributed and undistributed net income from certain investment funds.

The Company’s managed yield-bearing portfolio had an effective yield of 2.24%, 1.91% and 1.51% for the years ended December 31, 2016, 2015 and 2014, respectively. Investment yield is calculated by dividing total managed net investment income by the average balance of the yield bearing assets managed by the Company’s portfolio managers. Average assets for the period ended is the average of the beginning, ending and intervening quarter end asset balances.

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General and Administrative and Share Compensation Expenses

General and administrative expenses for the years ended December 31, 2016, 2015 and 2014 were $72.2 million, $75.7 million and $80.2 million, respectively. The decrease of $4.5 million during the year ended December 31, 2015 as compared to 2014 was primarily due to the retention of certain costs within the operating segments. Corporate general and administrative expenses are comprised of executive and board expenses, internal and external audit expenses and other costs relating to the Company as a whole.

Share compensation expenses for the years ended December 31, 2016, 2015 and 2014 were $16.0 million, $13.0 million and $11.4 million, respectively. The increase of $3.0 million during the year ended December 31, 2016 as compared to 2015 was primarily due to increased performance share award grants.

Finance Expenses

Finance expenses for the years ended December 31, 2016, 2015 and 2014 were $57.2 million, $61.1 million and $60.3 million, respectively. The decrease of $3.9 million during the year ended December 31, 2016 as compared to 2015 was primarily due to reduced credit facility expenses.

Dividends on preferred shares

The Company issued $150.0 million of preferred shares in June 2016. Dividends paid on preferred shares were $4.5 million for the year ended December 31, 2016.

Tax (Benefit) Expense

Tax benefit for the year ended December 31, 2016 was $19.8 million compared to tax expense of $6.4 million and $0.2 million for the years ended December 31, 2015 and 2014, respectively. The favorable movement of $26.2 million during the year ended December 31, 2016 as compared to 2015 was primarily due to a partial release of a valuation allowance which had been applied against a deferred tax asset related to net operating losses acquired as part of the Flagstone acquisition. The Company believes it is now more-likely-than-not that it will have sufficient future taxable income to realize a portion of that deferred tax asset over the next three years and in accordance with U.S. GAAP, the Company was required to record a tax benefit of $18.4 million in the fourth quarter.

Net Realized and Change in Net Unrealized Gains (Losses) on Investments

Net realized gains on managed investments for the years ended December 31, 2016, 2015 and 2014 were $14.7 million, $1.7 million and $12.2 million, respectively. The increase of $13.0 million during the year ended December 31, 2016 as compared to 2015 primarily resulted from the sale of managed fixed maturities and gains realized on the termination of two interest rate swap contracts which were entered into in the third quarter of 2016 to partially offset the impact of interest rate increases on the Company’s fixed maturity portfolio.

The change in net unrealized gains on managed investments for the year endedDecember 31, 2016 was $14.1 million compared to losses of $32.0 million and $1.0 million for the years ended December 31, 2015 and 2014, respectively. The favorable movement of $46.1 million during the year ended December 31, 2016 as compared to 2015 was primarily due to the impact of declining interest rates on our fixed maturity investments early in the year endedDecember 31, 2016 compared to the year endedDecember 31, 2015, partially offset by rising rates later in the year. The unfavorable movement of $31.0 million during the year ended December 31, 2015 as compared to 2014 was primarily due to a rising interest rate environment during 2015 as compared to 2014.

(Loss) income from investment affiliates

The (loss) income from investment affiliate relates to the income earned from the Company’s investments in Aquiline Financial Services Fund II L.P. and Fund III L.P. For further details, refer to Note 7to the Consolidated Financial Statements, “Investments,” in Part II, Item 8.

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Foreign Exchange Gains (Losses)

The Company’s reporting currency is the U.S. dollar. As a significant portion of the Company’s operations are transacted in currencies other than the U.S. dollar, fluctuations in foreign exchange rates may affect year-to-year comparisons. The Company’s largest foreign currency fluctuation exposure is to the following currencies, with the movement in each currency against the U.S. dollar for the year endedDecember 31, 2016, 2015 and 2014 shown in the table below:

	Years Ended December 31,
U.S. dollar (weakened) strengthened against:	2016		2015		2014
British Pound sterling	19.8	%	5.4	%	6.3	%
Euro	3.2	%	11.4	%	13.5	%
Canadian dollar	(3.0	)%	19.2	%	9.4	%
Swiss franc	1.8	%	0.7	%	11.3	%
Australian dollar	1.4	%	11.8	%	9.1	%
New Zealand dollar	(1.4	)%	14.2	%	5.5	%
Singapore dollar	2.5	%	6.5	%	5.0	%
Japanese yen	(3.1	)%	0.8	%	13.7	%
South African rand	(11.5	)%	34.3	%	10.4	%

Foreign exchange gains for the year ended December 31, 2016 were $10.8 million compared to losses of $8.2 million and $10.7 million for the years ended December 31, 2015 and 2014, respectively. The foreign exchange gains for the year ended December 31, 2016 were primarily attributable to the U.S. dollar strengthening against the British Pound sterling.

The Company currently hedges foreign currency exposure by substantively balancing assets (primarily cash and premium receivables) with liabilities (primarily case reserves and event IBNR) for certain major non-U.S. dollar currencies, or by entering into forward foreign currency contracts. Consequently, the Company aims to have a limited exposure to foreign exchange fluctuations.

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Non-GAAP Financial Measures

The operating results of an insurance or reinsurance company are also often measured by reference to its underwriting income and net operating income, which are non-GAAP financial measures. Underwriting income and net operating income available to Validus common shareholders are calculated by the addition or subtraction of certain Consolidated Statement of Income and Comprehensive Income line items from net income available to Validus common shareholders, the most directly comparable GAAP financial measure, as illustrated below.

	Three Months Ended December 31,						Years Ended December 31,
(Dollars in thousands)	2016			2015			2016			2015			2014
Net income available to Validus common shareholders	$	7,767		$	69,042		$	359,384		$	374,893		$	479,963
Adjustments for:
Net realized (gains) losses on investments	(9,220		)	2,928			(15,757		)	(2,298		)	(14,917		)
Change in net unrealized losses (gains) on investments	67,460			34,862			(16,871		)	32,395			2,842
(Income) loss from investment affiliates	(2,166		)	1,261			2,083			(4,281		)	(8,411		)
Foreign exchange losses (gains)	901			(797		)	(10,864		)	8,731			12,181
Other (income) loss	(7		)	(1,576		)	766			1,002			2,243
Transaction expenses	—			—			—			—			8,096
Net (loss) income attributable to noncontrolling interests	(412		)	(325		)	457			(693		)	(1,235		)
Net operating income available to Validus common shareholders	$	64,323		$	105,395		$	319,198		$	409,749		$	480,762
Net investment income	(38,153		)	(31,612		)	(150,385		)	(127,824		)	(100,086		)
Finance expenses	14,630			16,581			58,520			74,742			68,324
Dividends on preferred shares	2,203			—			4,455			—			—
Tax (benefit) expense	(21,147		)	(756		)	(19,729		)	6,376			155
Loss from operating affiliate	—			1,708			23			3,949			4,340
Income attributable to AlphaCat investors	7,080			974			23,358			2,412			—
Net operating income attributable to noncontrolling interests	27,612			26,321			122,906			93,657			76,115
Underwriting income	$	56,548		$	118,611		$	358,346		$	463,061		$	529,610

Net operating income available to Validus common shareholders indicates the performance of the Company’s core underwriting function and includes net investment income, finance expenses, tax (expense) benefit, income (loss) from operating affiliates and (income) attributable to AlphaCat investors and excludes net operating (income) attributable to noncontrolling interests and certain other revenues and expenses such as the reconciling items in the table above. The Company believes the reporting of net operating income available to Validus common shareholders enhances the understanding of results by highlighting the underlying profitability of the Company’s core insurance and reinsurance business. This profitability is influenced significantly by earned premium growth, adequacy of the Company’s pricing and loss frequency and severity. Over time it is also influenced by the Company’s underwriting discipline, which seeks to manage exposure to loss through favorable risk selection and diversification, its management of claims, its use of reinsurance and its ability to manage its expense ratio, which it accomplishes through its management of acquisition costs and other underwriting expenses.

The Company uses underwriting income as a primary measure of underwriting results in its analysis of historical financial information and when performing its budgeting and forecasting processes. Analysts, investors and rating agencies who follow the Company request this non-GAAP financial information on a regular basis. In addition, underwriting income is one of the factors considered by the compensation committee of our Board of Directors in determining the total annual incentive compensation.

Underwriting income is the primary financial measure for the Company’s insurance and reinsurance operating segments: Validus Re, Talbot and Western World. The results of the AlphaCat operating segment are presented on an asset manager basis, which is also non-GAAP. Refer to Note 26 to the Consolidated Financial Statements, “Segment information,” in Part II, Item 8 for a reconciliation of the Company’s share of AlphaCat segment income to segmental income.

The Company excludes the U.S. GAAP measures noted above, in particular net realized and change in net unrealized gains and losses on investments, from its calculation of net operating income available to Validus common shareholders because the amount of these gains and losses is heavily influenced by, and fluctuates in part, according to availability of investment market opportunities. The Company believes these amounts are largely independent of its core underwriting activities and including them distorts the analysis of trends in its operations. In addition to presenting net income available to Validus common shareholders determined in accordance with U.S. GAAP, the Company believes that showing underwriting income and net operating income available to Validus

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common shareholders provides investors with a valuable measure of profitability and enables investors, analysts, rating agencies and other users of its financial information to more easily analyze the Company’s results in a manner similar to how management analyzes the Company’s underlying business performance.

Underwriting income and net operating income available to Validus common shareholders should not be viewed as a substitute for U.S. GAAP net income available to Validus common shareholders as there are inherent material limitations associated with the use of underwriting income and net operating income available to Validus common shareholders as compared to using net income available to Validus common shareholders, which is the most directly comparable U.S. GAAP financial measure. The most significant limitation is the ability of users of the financial information to make comparable assessments of underwriting income and operating income with other companies, particularly as these measures may be defined or calculated differently by other companies. Therefore, the Company provides prominence in this filing to the use of the most comparable U.S. GAAP financial measure, net income available to Validus common shareholders, which includes the reconciling items in the table above. The Company compensates for these limitations by providing both clear and transparent disclosure of net income available to Validus common shareholders and reconciliation of underwriting income and net operating income available to Validus common shareholders to net income available to Validus common shareholders.

In presenting the Company’s results, management has also included and discussed certain schedules containing book value and tangible book value per diluted common share and book value per diluted common share plus accumulated dividends that are not calculated in accordance with U.S. GAAP.

Such measures described above which are referred to as non-GAAP, may be defined or calculated differently by other companies. These measures should not be viewed as a substitute for those determined in accordance with U.S. GAAP.

The following tables present reconciliations of book value per diluted common share to book value per common share, the most comparable U.S. GAAP financial measure, as at December 31, 2016 and December 31, 2015:

	December 31, 2016
(Dollars in thousands, except share and per share amounts)	Equity Amount		Shares	Exercise Price(a)		Book Value Per Share
Book value per common share
Total shareholders’ equity available to Validus common shareholders (b)	$	3,688,291	79,132,252			$	46.61
Tangible book value per common share						$	42.66
Book value per diluted common share
Total shareholders’ equity available to Validus common shareholders (b)	3,688,291		79,132,252
Assumed exercise of outstanding stock options (c)	614		26,136	$	23.48
Unvested restricted shares	—		2,868,610
Book value per diluted common share	$	3,688,905	82,026,998			$	44.97
Adjustment for accumulated dividends						11.56
Book value per diluted common share plus accumulated dividends						$	56.53
Tangible book value per diluted common share						$	41.16

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	December 31, 2015
(Dollars in thousands, except share and per share amounts)	Equity Amount		Shares	Exercise Price(a)		Book Value Per Share
Book value per common share
Total shareholders’ equity available to Validus common shareholders (b)	$	3,638,975	82,900,617			$	43.90
Tangible book value per common share						$	40.06
Book value per diluted common share
Total shareholders’ equity available to Validus common shareholders (b)	3,638,975		82,900,617
Assumed exercise of outstanding stock options (c)	1,319		65,401	$	20.17
Unvested restricted shares	—		3,026,376
Book value per diluted common share	$	3,640,294	85,992,394			$	42.33
Adjustment for accumulated dividends						10.16
Book value per diluted common share plus accumulated dividends						$	52.49
Tangible book value per diluted common share						$	38.63

(a) Weighted average exercise price for those stock options that have an exercise price lower than book value per share.

(b) Total shareholders’ equity available to Validus common shareholders excludes the liquidation value of the preferred shares of $150,000.

(c) Using the “as-if-converted” method, assuming all proceeds received upon exercise of stock options will be retained by the Company and the resulting common shares from exercise remain outstanding.

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Liquidity and Capital Resources

Investments

Managed investments represent assets governed by the Company’s Investment Policy Statement (“IPS”) whereas, non-managed investments represent assets held in support of consolidated AlphaCat VIEs which are not governed by the Company’s IPS. Refer to Note 9 to the Consolidated Financial Statements, “Variable interest entities,” in Part II, Item 8 for further details.

The fair value of the Company’s investments, cash and cash equivalents and restricted cash as at December 31, 2016 and December 31, 2015 was as follows:

	Fair Value
	December 31, 2016		December 31, 2015
Managed investments, cash and cash equivalents and restricted cash
Fixed maturities
U.S. government and government agency	$	804,126	$	937,202
Non-U.S. government and government agency	240,791		237,968
U.S. states, municipalities and political subdivisions	271,830		301,289
Agency residential mortgage-backed securities	679,595		610,582
Non-agency residential mortgage-backed securities	15,477		26,920
U.S. corporate	1,534,508		1,489,951
Non-U.S. corporate	410,227		446,570
Bank loans	570,399		576,211
Asset-backed securities	526,814		437,124
Commercial mortgage-backed securities	330,932		260,135
Total fixed maturities	5,384,699		5,323,952
Short-term investments	228,386		237,369
Other investments
Fund of hedge funds	955		1,417
Hedge funds	17,381		20,980
Private equity investments	89,809		63,771
Fixed income investment funds	242,093		188,721
Overseas deposits	50,106		54,484
Mutual funds	5,368		7,483
Total other investments	405,712		336,856
Investment in investment affiliate	100,431		87,673
Cash and cash equivalents	415,419		537,636
Restricted cash	15,000		—
Total managed investments, cash and cash equivalents and restricted cash	$	6,549,647	$	6,523,486
Non-managed investments, cash and cash equivalents and restricted cash
Catastrophe bonds	$	158,331	$	186,379
Short-term investments	2,567,784		1,704,266
Cash and cash equivalents	4,557		185,473
Restricted cash	55,956		73,270
Total non-managed investments, cash and cash equivalents and restricted cash	2,786,628		2,149,388
Total investments and cash	$	9,336,275	$	8,672,874

As at December 31, 2016, the Company’s managed cash and investment portfolio totaled $6.5 billion (December 31, 2015: $6.5 billion). Refer to Note 7 to the Consolidated Financial Statements, “Investments,” in Part II, Item 8 for further details related to the Company’s managed investments.

A significant portion of (re)insurance contracts written by the Company provide short-tail reinsurance coverage for losses resulting mainly from natural and man-made catastrophes, which could result in payment of a substantial amount of losses at short notice. Accordingly, the Company’s investment portfolio is primarily structured to provide liquidity, which means the investment portfolio contains a significant amount of relatively short-term fixed maturity investments. The Company’s IPS specifically requires

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certain minimum thresholds of cash, short-term investments, and highly-rated fixed maturity securities relative to our consolidated net reserves and estimates of probable maximum loss exposures at the 1 in 100 year threshold to provide necessary liquidity in a wide range of reasonable scenarios. As such, the Company structures its managed cash and investment portfolio to support policyholder reserves and contingent risk exposures with a liquid portfolio of high quality fixed-income investments with a comparable duration profile.

The Company’s IPS requires managed investments to have an average duration in the range of 0.75 years to 3.00 years. At December 31, 2016, the average duration of the Company’s managed investment portfolio was 2.26 years (December 31, 2015: 2.15 years). This duration is reviewed regularly based on changes in the duration of the Company’s liabilities and general market conditions.

The Company’s IPS also requires certain minimum credit quality standards for its managed fixed maturity portfolio, including a minimum weighted average portfolio rating of A+ for securities assigned ratings. Further limits on asset classes and security types are also mandated. In addition, the Company stress-tests the downside risks within its asset portfolio using internal and external inputs and stochastic modeling processes to help define and limit asset risks to acceptable levels that are consistent with our overall ERM framework. At December 31, 2016, the Company’s rated managed fixed maturity portfolio had an average credit quality rating of AA- (December 31, 2015: AA-). Refer to Note 7(a) to the Consolidated Financial Statements, “Investments,” in Part II, Item 8 for further details related to the investment ratings of the Company’s fixed maturity portfolio.

The value of the Company’s managed fixed maturity portfolio will fluctuate with, among other factors, changes in the interest rate environment and in overall economic conditions. Additionally, the structure of the Company’s overall managed investment portfolio exposes the Company to other risks, including insolvency or reduced credit quality of corporate debt securities, prepayment, default and structural risks on asset-backed securities, mortgage-backed securities and bank loans and liquidity risks on certain other investments, including hedge funds, investment funds and private equity investments. For further details on market risks, refer to Part I, Item 7A “Quantitative And Qualitative Disclosures About Market Risk.”

As part of the ongoing risk management process, the Company monitors the aggregation of country or jurisdiction risk exposure. Jurisdiction risk exposure is the risk that events within a jurisdiction, such as currency crises, regulatory changes and other political events, will adversely affect the ability of obligors within the jurisdiction to honor their obligations. The following table provides a breakdown of the fair value of jurisdiction risk exposures outside the United States within the Company’s managed fixed maturity portfolio:

	December 31, 2016
(Dollars in thousands)	Fair Value		% of Total
Germany	$	66,886	10.3	%
Supranational	41,502		6.4	%
United Kingdom	36,178		5.6	%
Canada	15,836		2.4	%
Province of Ontario	12,387		1.9	%
Norway	12,085		1.9	%
France	10,360		1.6	%
Jordan	10,080		1.5	%
Other (individual jurisdictions below $10,000)	35,477		5.4	%
Total Managed Non-U.S. Government Securities	240,791		37.0	%
European Corporate Securities	173,326		26.6	%
United Kingdom Corporate Securities	96,425		14.8	%
Other Non-U.S. Corporate Securities	140,476		21.6	%
Total Managed Non-U.S. Fixed Maturity Portfolio	$	651,018	100.0	%

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	December 31, 2015
(Dollars in thousands)	Fair Value		% of Total
Germany	$	53,259	7.8	%
United Kingdom	48,254		7.1	%
Supranational	33,019		4.8	%
France	21,075		3.1	%
Province of Ontario	15,896		2.3	%
Norway	15,861		2.3	%
Province of Manitoba	12,981		1.9	%
Jordan	10,073		1.5	%
Other (individual jurisdictions below $10,000)	27,550		4.0	%
Total Managed Non-U.S. Government Securities	237,968		34.8	%
European Corporate Securities	183,501		26.8	%
United Kingdom Corporate Securities	131,656		19.2	%
Other Non-U.S. Corporate Securities	131,413		19.2	%
Total Managed Non-U.S. Fixed Maturity Portfolio	$	684,538	100.0	%

At December 31, 2016, the Company did not have an aggregate exposure to any single issuer of more than 1.0% (December 31, 2015: 0.9%) of managed cash and investments, other than with respect to government and agency securities. The top ten exposures to fixed income corporate issuers at December 31, 2016 and 2015 were as follows:

	December 31, 2016
Issuer (a)	Fair Value (c)		S&P Rating (b)	% of Managed Investments and Cash
JPMorgan Chase & Co	$	66,827	BBB+	1.0	%
Citigroup Inc	52,737		BBB	0.8	%
Bank of America Corp	50,280		BBB+	0.8	%
Morgan Stanley	48,273		BBB+	0.7	%
Goldman Sachs Group	46,261		BBB+	0.7	%
Wells Fargo & Company	44,596		A	0.7	%
Anheuser-Busch Inbev NV	39,674		A-	0.6	%
Bank of New York Mellon Corp	34,619		A	0.5	%
HSBC Holdings plc	29,411		A	0.4	%
US Bancorp	28,175		AA-	0.4	%
Total	$	440,853		6.6	%

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	December 31, 2015
Issuer (a)	Fair Value (c)		S&P Rating (b)	% of Managed Investments and Cash
JPMorgan Chase & Co	$	56,421	A-	0.9	%
HSBC Holdings plc	54,172		A	0.8	%
Morgan Stanley	47,242		BBB+	0.7	%
Bank of America Corp	43,274		BBB	0.7	%
Goldman Sachs Group	43,173		BBB+	0.7	%
Citigroup Inc	41,984		BBB	0.6	%
Wells Fargo & Company	39,604		BBB+	0.6	%
US Bancorp	34,294		AA-	0.5	%
Bank of New York Mellon Corp	33,492		A	0.5	%
UBS Group AG	31,495		A-	0.5	%
Total	$	425,151		6.5	%

(a) Issuers exclude government-backed government-sponsored enterprises and cash and cash equivalents.

(b) Investment ratings are the median of Moody’s, Standard & Poor’s and Fitch. For investments where three ratings are unavailable, the lower of the ratings shall apply. All investment ratings are presented as the Standard & Poor’s equivalent rating.

(c) Credit exposures represent only direct exposure to fixed maturities and short-term investments of the parent issuer and its major subsidiaries. These exposures exclude asset and mortgage backed securities that were issued, sponsored or serviced by the parent.

Reserve for Losses and Loss Expenses

At December 31, 2016, gross and net reserves for losses and loss expenses were estimated using the methodology as outlined in the Critical Accounting Policies and Estimates section below. The following tables indicate the breakdown of gross and net reserves for losses and loss expenses between lines of business and between case reserves and IBNR.

	December 31, 2016
(Dollars in thousands)	Gross Case Reserves		Gross IBNR		Total Gross Reserve for Losses and Loss Expenses
Property	$	390,141	$	440,531	$	830,672
Marine	389,614		471,845		861,459
Specialty	259,251		473,656		732,907
Liability	198,766		371,391		570,157
Total	$	1,237,772	$	1,757,423	$	2,995,195

	December 31, 2016
(Dollars in thousands)	Net Case Reserves		Net IBNR		Total Net Reserve for Losses and Loss Expenses
Property	$	330,213	$	392,886	$	723,099
Marine	337,550		369,908		707,458
Specialty	222,496		428,864		651,360
Liability	182,185		300,672		482,857
Total	$	1,072,444	$	1,492,330	$	2,564,774

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The following table sets forth a reconciliation of gross and net reserves for losses and loss expenses by operating segment for the year ended December 31, 2016.

	Year Ended December 31, 2016
(Dollars in thousands)	Validus Re			Talbot			Western World			AlphaCat			Eliminations			Total
Reserve for losses and loss expenses, beginning of year	$	1,146,869		$	1,302,635		$	600,331		$	11,013		$	(64,281	)	$	2,996,567
Loss reserves recoverable	(36,055		)	(293,662		)	(85,150		)	—			64,281			(350,586		)
Net reserves for losses and loss expenses, beginning of year	1,110,814			1,008,973			515,181			11,013			—			2,645,981
Increase (decrease) in net reserves for losses and loss expenses in respect of losses occurring in:
Current year	530,021			510,756			192,924			47,588			—			1,281,289
Prior years	(118,533		)	(85,810		)	(9,112		)	(2,737		)	—			(216,192		)
Total net incurred losses and loss expenses	411,488			424,946			183,812			44,851			—			1,065,097
Less net losses and loss expenses paid in respect of losses occurring in:
Current year	(192,527		)	(146,742		)	(43,316		)	(6,649		)	—			(389,234		)
Prior years	(312,546		)	(258,713		)	(153,664		)	(245		)	—			(725,168		)
Total net paid losses	(505,073		)	(405,455		)	(196,980		)	(6,894		)	—			(1,114,402		)
Foreign exchange loss (gain)	1,519			(32,985		)	—			(436		)	—			(31,902		)
Net reserves for losses and loss expenses, end of year	1,018,748			995,479			502,013			48,534			—			2,564,774
Loss reserves recoverable	98,005			306,038			87,487			—			(61,109		)	430,421
Reserve for losses and loss expenses, end of year	$	1,116,753		$	1,301,517		$	589,500		$	48,534		$	(61,109	)	$	2,995,195

For further information regarding the Company’s reserves for losses and loss expenses refer to Note 14to the Consolidated Financial Statements, “Reserve for losses and loss expenses,” in Part II, Item 8. The amount of recorded reserves represents management’s best estimate of expected losses and loss expenses on premiums earned. For the year ended December 31, 2016, favorable loss reserve development on prior accident years was $216.2 million, of which $118.5 million related to the Validus Re segment, $85.8 million related to the Talbot segment, $9.1 million related to the Western World segment and $2.7 million related to the AlphaCat segment.

The management of insurance and reinsurance companies use significant judgment in the estimation of reserves for losses and loss expenses. Given the magnitude of some notable loss events and other uncertainties inherent in loss estimation, meaningful uncertainty remains regarding the estimation for these events. The Company’s actual ultimate net loss may vary materially from these estimates. Ultimate losses for notable loss events are estimated through detailed review of contracts which are identified by the Company as potentially exposed to the specific notable loss event. However, there can be no assurance that the ultimate loss amount estimated for a specific contract will be accurate, or that all contracts with exposure to a specific notable loss event will be identified in a timely manner. Potential losses in excess of the estimated ultimate loss assigned to a contract on the basis of a specific review, or loss amounts from contracts not specifically included in the detailed review may be reserved for in the reserve for potential development on notable loss events (“RDE”) and would be included as part of the Company’s overall reserves. As at December 31, 2016, the Company had no RDE.

For disclosure purposes, only those notable loss events which have an ultimate loss estimate above $30.0 million are disclosed separately and included in the reserves for notable loss event roll forward table below. To the extent that there are increased complexity and volatility factors relating to notable loss events in the aggregate, RDE may be established for a specific accident year.

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The reserves for notable loss events table below does not disclose notable loss events prior to 2014. The following pre-2014 notable loss events had closing reserves associated with them as at December 31, 2016 as follows: Deepwater Horizon, a 2010 event, had $9.5 million; the New Zealand earthquakes of 2010 and 2011 had $61.0 million; Superstorm Sandy, a 2012 event had $56.7 million; and Costa Concordia, also a 2012 event had $24.2 million.

Reserves for Notable Loss Events (Dollars in thousands)
2014 Notable Loss Event			Year Ended December 31, 2014				Year Ended December 31, 2015					Year Ended December 31, 2016
			Development		Closing		Development			Closing		Development			Closing
	Initial		(Favorable) /		Estimate (b)		(Favorable) /			Estimate (b)		(Favorable) /			Estimate (b)
Notable Loss Event	Estimate (a)		Unfavorable		December 31, 2014		Unfavorable			December 31, 2015		Unfavorable			December 31, 2016
Tripoli Airport (d)	$	28,134	$	6,810	$	34,944	$	(1,196	)	$	33,748	$	1,213		$	34,961
			Year Ended December 31, 2014				Year Ended December 31, 2015					Year Ended December 31, 2016
			Paid Loss (Recovery)		Closing Reserve (c)		Paid Loss (Recovery)			Closing Reserve (c)		Paid Loss (Recovery)			Closing Reserve (c)
Notable Loss Event					December 31, 2014					December 31, 2015					December 31, 2016
Tripoli Airport (d)			$	—	$	34,944	$	22,938		$	10,810	$	63		$	11,960
2015 Notable Loss Events							Year Ended December 31, 2015					Year Ended December 31, 2016
							Development			Closing		Development			Closing
	Initial						(Favorable) /			Estimate (b)		(Favorable) /			Estimate (b)
Notable Loss Events	Estimate (a)						Unfavorable			December 31, 2015		Unfavorable			December 31, 2016
Pemex	$	48,073					$	1,464		$	49,537	$	(426	)	$	49,111
Tianjin	47,789						(362		)	$	47,427	(11,645		)	35,782
Total 2015 Notable Loss Events	$	95,862					$	1,102		$	96,964	$	(12,071	)	$	84,893
							Year Ended December 31, 2015					Year Ended December 31, 2016
							Paid Loss (Recovery)			Closing Reserve (c)		Paid Loss (Recovery)			Closing Reserve (c)
Notable Loss Events										December 31, 2015					December 31, 2016
Pemex							$	44		$	49,493	$	166		$	48,901
Tianjin							—			47,427		12,754			23,028
Total 2015 Notable Loss Events							$	44		$	96,920	$	12,920		$	71,929
2016 Notable Loss Events												Year Ended December 31, 2016
												Development			Closing
	Initial											(Favorable) /			Estimate (b)
Notable Loss Event	Estimate (a)											Unfavorable			December 31, 2016
Canadian Wildfires	$	36,915										$	(17,265	)	$	19,650
Hurricane Matthew	39,140											—			39,140
2016 New Zealand Earthquake	31,421											—			31,421
Total 2016 Notable Loss Events	$	107,476										$	(17,265	)	$	90,211
												Year Ended December 31, 2016
												Paid Loss (Recovery)			Closing Reserve (c)
Notable Loss Events															December 31, 2016
Canadian Wildfires												$	5,676		$	13,974
Hurricane Matthew												6,712			32,428
2016 New Zealand Earthquake												—			31,421
Total 2016 Notable Loss Events												$	12,388		$	77,823

(a) Includes paid losses, case reserves and IBNR reserves.

(b) Excludes impact of movements in foreign exchange rates.

(c) Closing Reserve for the period equals Closing Estimate for the period less cumulative paid losses (recovery).

(d) As at September 30, 2014, the initial estimate for Tripoli Airport was below the $30.0 million notable loss event threshold; however, during the fourth quarter of 2014 adverse development caused this event to exceed the notable loss event threshold.

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Sources of Liquidity

Holding Company Liquidity

Validus Holdings, Ltd. is a holding company and conducts no operations of its own. The Company relies primarily on cash dividends and other permitted payments from operating subsidiaries within the Validus Re, Talbot, Western World and AlphaCat segments to pay dividends, finance expenses and other holding company expenses. There are restrictions on the payment of dividends from most operating subsidiaries, primarily due to regulatory requirements in the jurisdictions in which the operating subsidiaries are domiciled. Refer to Part I, Item 1 “Regulation,” and Note 27 to the Consolidated Financial Statements,“Statutory and regulatory requirements,” in Part II, Item 8 for further discussion on the regulatory requirements in the jurisdictions in which the Company operates. Also refer to Part II, Item 5, “Market for Registrant’s Common Equity, Related Shareholder Matters and Issuer Purchases of Equity Securities,” for further discussion of the Company’s dividend policy. The Company believes the dividend/distribution capacity of the Company’s subsidiaries will provide the Company with sufficient liquidity for the foreseeable future. The Company continues to generate substantial cash from operating activities and remains in a strong financial position, with resources available for reinvestment in existing businesses, strategic acquisitions and managing capital structure to meet its short and long-term objectives.

The following table details the capital resources of certain subsidiaries of the Company on an unconsolidated basis:

(Dollars in thousands)	December 31, 2016			December 31, 2015
Validus Reinsurance, Ltd. (excluding capital supporting FAL) (a) (b)	$	3,720,595		$	3,562,458
Talbot Holdings, Ltd. (including capital supporting FAL) (b)	914,442			887,249
Other, net	(14,158		)	(27,903		)
Redeemable noncontrolling interests in AlphaCat	1,528,001			1,111,714
Noncontrolling interests in AlphaCat	165,977			154,662
Total consolidated capitalization	6,314,857			5,688,180
Senior notes payable	(245,362		)	(245,161		)
Debentures payable	(537,226		)	(537,668		)
Redeemable noncontrolling interests in AlphaCat	(1,528,001		)	(1,111,714		)
Total shareholders’ equity	4,004,268			3,793,637
Preferred shares (c)	(150,000		)	—
Noncontrolling interests in AlphaCat	(165,977		)	(154,662		)
Total shareholders’ equity available to Validus common shareholders (c)	$	3,688,291		$	3,638,975

(a) Validus Reinsurance, Ltd. (excluding capital supporting FAL) includes capital of $639,113 (2015: $640,684) relating to Western World Insurance Group, Inc.

(b) Validus Reinsurance, Ltd. (excluding capital supporting FAL) excludes capital of $723,888 (2015: $586,393) which supports Talbot’s FAL. This capital was included in Talbot Holdings, Ltd. (including capital supporting FAL).

(c) Total shareholders’ equity available to Validus common shareholders excludes the liquidation value of the preferred shares of $150,000.

Sources and Uses of Cash

The Company has written certain (re)insurance business that has loss experience generally characterized as having low frequency and high severity. This results in volatility in both results and operational cash flows. The potential for large claims or a series of claims under one or more reinsurance contracts means that substantial and unpredictable payments may be required within relatively short periods of time. As a result, cash flows from operating activities may fluctuate, perhaps significantly, between individual quarters and years. Management believes the Company’s unused credit facility amounts and highly liquid investment portfolio are sufficient to support any potential operating cash flow deficiencies.

In addition to relying on premiums received and investment income from the investment portfolio, the Company intends to meet these cash flow demands by carrying a substantial amount of short and medium term investments that would mature, or possibly be sold, prior to the settlement of expected liabilities. The Company cannot provide assurance, however, that it will successfully match the structure of its investments with its liabilities due to uncertainty related to the timing and severity of loss events.

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There are three main sources (uses) of cash flows for the Company: operating activities, investing activities and financing activities. The movement in net cash provided by or used in operating, investing and financing activities and the effect of foreign currency rate changes on cash and cash equivalents for the years ended December 31, 2016, 2015 and 2014 are provided in the following table:

	Years Ended December 31,
(Dollars in thousands)	2016			2015			2014
Net cash provided by operating activities	$	410,203		$	334,506		$	340,161
Net cash used in investing activities	(991,793		)	(370,834		)	(162,681		)
Net cash provided by (used in) financing activities	301,089			226,641			(331,102		)
Effect of foreign currency rate changes on cash and cash equivalents	(22,632		)	(17,605		)	(25,310		)
Net (decrease) increase in cash and cash equivalents	$	(303,133	)	$	172,708		$	(178,932	)

Operating Activities

Cash flow from operating activities is derived primarily from the receipt of premiums less the payment of losses and loss expenses related to underwriting activities.

Net cash provided by operating activities during the years ended December 31, 2016, 2015 and 2014 was $410.2 million, $334.5 million and $340.2 million, respectively. The favorable movement of $75.7 million during the year ended December 31, 2016 compared to 2015 was primarily due to the timing of loss payments. The unfavorable movement of $5.7 million during the year ended December 31, 2015 compared to 2014 was due to the timing of cash receipts and payments, notably with regard to premiums receivable and losses payable, respectively.

We anticipate that cash flows from operations will continue to be sufficient to cover cash outflows under our contractual commitments as well as most loss scenarios through the foreseeable future. Refer to the “Capital Resources” section below for further information on our anticipated obligations.

Investing Activities

Cash flow used in investing activities is primarily from net purchases made in the Company’s investment portfolio. As at December 31, 2016, the Company’s portfolio was composed of fixed income, short-term and other investments and investments in investment affiliates amounting to $8.8 billion or 94.7% of total cash and investments. For further details related to investments pledged as collateral, refer to Note 7 to the Consolidated Financial Statements, “Investments,” in Part II, Item 8.

Net cash used in investing activities during the years ended December 31, 2016, 2015 and 2014 was $991.8 million, $370.8 million and $162.7 million, respectively. The increase in in net cash used of $621.0 million during the year ended December 31, 2016 compared to 2015 was primarily due to an increase in purchases of short-term investments in the Company’s non-managed portfolio on behalf of AlphaCat investors of $419.3 million, an increase in the purchase of other investments of $59.0 million and a decrease in restricted cash of $97.4 million. The increase in net cash used of $208.2 million during the year ended December 31, 2015 compared to 2014 was primarily due to a decrease in the sales and maturities of fixed maturity investments of $1,136.4 million; offset by, the non-recurrence of cash paid for the acquisition of Western World of $643.5 million which occurred during the year ended December 31, 2014, a decrease in the purchases of fixed maturity investments of $166.8 million and an increase in the sales of other investments of $137.6 million.

Financing Activities

Cash flow from financing activities is derived primarily from the issuance and purchase of shares in the Company and its subsidiaries, including third party investments in the AlphaCat ILS funds and sidecars, as well as the issuance of notes payable to AlphaCat investors, and is partially offset by repurchases of shares in the Company and the payment of dividends.

Net cash provided by (used in) financing activities during the years ended December 31, 2016, 2015 and 2014 was $301.1 million, $226.6 million and $(331.1) million, respectively. The favorable movement of $74.4 million during the year ended December 31, 2016 compared to 2015 was driven primarily by an increase in the issuance of notes payable to AlphaCat investors of $220.8 million, an increase of $144.9 million resulting from the issuance of preferred shares during the year, an increase of $167.6 million related to net third party investments in noncontrolling and redeemable noncontrolling interests; partially offset by an increase in capital deployed on the AlphaCat funds of $474.9 million. The favorable movement of $557.7 million during the year ended December 31, 2015 compared to 2014 was driven primarily by a decrease in the repurchase of common shares under the share repurchase program of $250.5 million, an increase in third party investments in redeemable noncontrolling interests of $199.0 million and an increase in the issuance of notes payable to AlphaCat investors of $75.5 million.

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Capital Resources

The following table details the Company’s capital position as at December 31, 2016 and 2015.

(Dollars in thousands)	December 31, 2016			December 31, 2015
Senior Notes (a)	$	245,362		$	245,161
Junior Subordinated Deferrable Debentures (JSDs) (a)	289,800			289,800
Flagstone Junior Subordinated Deferrable Debentures (JSDs) (a)	247,426			247,868
Total debt	$	782,588		$	782,829
Redeemable noncontrolling interests	$	1,528,001		$	1,111,714
Preferred shares, liquidation value (b)	$	150,000		$	—
Ordinary shares, capital and surplus available to Validus common shareholders	3,711,507			3,651,544
Accumulated other comprehensive loss	(23,216		)	(12,569		)
Noncontrolling interests	165,977			154,662
Total shareholders’ equity	$	4,004,268		$	3,793,637
Total capitalization (c)	$	6,314,857		$	5,688,180
Total capitalization available to Validus (d)	$	4,620,879		$	4,421,804
Debt to total capitalization	12.4		%	13.8		%
Debt (excluding JSDs) to total capitalization	3.9		%	4.3		%
Debt and preferred shares to total capitalization	14.8		%	13.8		%
Debt to total capitalization available to Validus	16.9		%	17.7		%
Debt (excluding JSDs) to total capitalization available to Validus	5.3		%	5.5		%
Debt and preferred shares to total capitalization available to Validus	20.2		%	17.7		%

(a) Refer to Part II, Item 8, Note 20 to the Consolidated Financial Statements, “Debt and financing arrangements,” for further details and discussion on the debt and financing arrangements of the Company.

(b) Refer to Part II, Item 8, Note 17 to the Consolidated Financial Statements, “Share capital,” for further details and discussion on the Company’s preferred shares.

(c) Total capitalization equals total shareholders’ equity plus redeemable noncontrolling interests and total debt.

(d) Total capitalization available to Validus equals total capitalization (as per (c)) less redeemable noncontrolling interests and noncontrolling interests.

Shareholders’ Equity

Shareholders’ equity available to Validus common shareholders at December 31, 2016 was $3.7 billion, compared to $3.6 billion at December 31, 2015. Including $150.0 million of preferred shares, shareholders’ equity available to Validus at December 31, 2016 was $3.8 billion, compared to $3.6 billion at December 31, 2015.

On February 9, 2017, the Company announced a quarterly cash dividend of $0.38 per common share, which is payable on March 31, 2017 to shareholders of record on March 15, 2017 and a cash dividend of $0.3671875 per depositary share on the outstanding Series A Preferred Shares, which is payable on March 15, 2017 to shareholders of record on March 1, 2017. The timing and amount of any future cash dividends, however, will be at the discretion of the Board and will depend upon results of operations and cash flows, the Company’s financial position and capital requirements, general business conditions, legal, tax, regulatory, rating agency and contractual constraints or restrictions and any other factors that the Board deems relevant.

The Company may from time to time repurchase its securities, including common shares, Junior Subordinated Deferrable Debentures and Senior Notes. On February 3, 2015, the Board of Directors of the Company approved an increase in the Company’s common share repurchase authorization to $750.0 million.

The Company has repurchased 80,508,849 common shares for an aggregate purchase price of $2.7 billion from the inception of the share repurchase program to February 22, 2017. The Company had $320.0 million remaining under its authorized share repurchase program as of February 22, 2017.

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The Company expects the purchases under its share repurchase program to be made from time to time in the open market or in privately negotiated transactions. The timing, form and amount of the share repurchases under the program will depend on a variety of factors, including market conditions, the Company’s capital position relative to internal and rating agency targets, legal requirements and other factors. The repurchase program may be modified, extended or terminated by the Board of Directors at any time.

Debt and financing arrangements

For additional information about our debt, including the terms of our financing arrangements, basis for interest rates and debt covenants, refer to Part II, Item 8, Note 20 to the Consolidated Financial Statements, “Debt and financing arrangements.”

Noncontrolling interests

Investors in certain of the AlphaCat ILS funds have rights that enable them, subject to certain limitations, to redeem their shares. The third party equity is therefore recorded in the Company’s Consolidated Balance Sheets as redeemable noncontrolling interests. When and if a redemption notice is received, the fair value of the redemption is reclassified to a liability. As at December 31, 2016 and 2015, the amount of the Company’s total capitalization owed to third parties as redeemable noncontrolling interests was $1,528.0 million and $1,111.7 million, respectively.

The AlphaCat sidecars and one of the AlphaCat ILS funds have no shareholder redemption rights. Therefore, the third party equity is recorded in the Company’s Consolidated Balance Sheets as noncontrolling interests. As at December 31, 2016 and 2015, the amount of the Company’s total capitalization owed to third parties as noncontrolling interests was $166.0 million and $154.7 million, respectively. Refer to Part II, Item 8, Notes 9and 10 to the Consolidated Financial Statements, “Variable Interest Entities,” and “Noncontrolling interests,” respectively, for further details.

Contractual Obligations and Commitments

The Company’s contractual obligations and commitments as at December 31, 2016 are set out below:

	Payment Due by Period
(Dollars in thousands)	Total		Less Than 1 Year		1 - 3 Years		3 - 5 Years		More Than 5 Years
Reserve for losses and loss expenses (a)	$	2,995,195	$	1,310,644	$	1,081,899	$	381,438	$	221,214
Long term debt obligations (b)	1,925,578		53,548		107,096		107,096		1,657,838
Projected pension benefit obligation (c)	16,979		2,570		6,720		2,578		5,111
Operating lease obligations	103,843		11,878		24,172		21,375		46,418
Private equity and investment commitments (d)	248,704		248,704		—		—		—
Other commitments (e)	291,388		291,388		—		—		—
Total contractual obligations and commitments	$	5,581,687	$	1,918,732	$	1,219,887	$	512,487	$	1,930,581

(a) The reserve for losses and loss expenses represents an estimate, including actuarial and statistical projections at a given point in time of an insurer’s or reinsurer’s expectations of the ultimate settlement and administration costs of claims incurred. As such, the actual payment of the reserve for losses and loss expenses will differ from estimated payouts. Refer to Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations-Critical Accounting Policies and Estimates” for further details and discussion on the Company’s reserve for losses and loss expenses.

(b) The amounts in the table above reflect the Company’s contractual obligations with respect to the principal and interest payments on the Company’s Senior Notes and JSDs. The Company has entered into interest rate swaps which fix the rates of interest on the JSDs. The terms of the swaps are matched to the maturity date of the JSDs. Refer to Part II, Item 8, Note 20 to the Consolidated Financial Statements, “Debt and financing arrangements,” for further details and discussion on the debt and financing arrangements of the Company.

(c) Refer to Part II, Item 8, Note 19 to the Consolidated Financial Statements, “Retirement and pension plans,” for further details describing the projected pension benefit obligation.

(d) The private equity and investment commitments do not have a defined contractual commitment date and are therefore included in the less than one year category. Refer to Part II, Item 8, Note 23 to the Consolidated Financial Statements, “Commitments and contingencies,” for further details describing these contractual obligations and commitments.

(e) Other commitments include commitments related the Company’s structured settlements, AlphaCat ILS funds and notes payable to AlphaCat investors. Refer to Part II, Item 8, Note 23 to the Consolidated Financial Statements, “Commitments and contingencies,” for further details describing these contractual obligations and commitments.

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Goodwill and Other Intangible Assets

The Company has performed an impairment analysis of its carried goodwill and intangible assets as required by U.S. GAAP. Based on this analysis, management has concluded that an impairment adjustment is not required against the carried goodwill and carried intangible assets. For information about goodwill and intangible assets refer to Note 6to the Consolidated Financial Statements, “Goodwill and other intangible assets,” in Part II, Item 8.

Off-Balance Sheet Arrangements

The Company is not party to any off-balance sheet transaction, agreement or other contractual arrangement as defined by Item 303(a) (4) of Regulation S-K to which an entity unconsolidated with the Company is a party that management believes is reasonably likely to have a current or future effect on its financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources that the Company believes is material to investors.

For further details related to the Company’s variable interest entities, refer to Notes 9 and 11 to the Consolidated Financial Statements, “Variable interest entities,” and “Investments in affiliates,” respectively, in Part II, Item 8.

Ratings

The following table summarizes the financial strength ratings of the Company and its principal reinsurance and insurance subsidiaries from internationally recognized rating agencies as of February 23, 2017:

	A.M. Best	S&P	Moody’s	Fitch
Validus Holdings, Ltd.
Issuer credit rating	bbb	BBB+	Baa1	A-
Senior debt	bbb	BBB+	Baa1	BBB+
Subordinated debt	bbb-	—	Baa2	BBB
Preferred stock	bb+	BBB-	Baa3	BBB
Outlook on ratings	Positive	Stable	Stable	Stable
Validus Reinsurance, Ltd.
Financial strength rating	A	A	A2	A
Outlook on ratings	Stable	Stable	Stable	Stable
Lloyd’s of London
Financial strength rating applicable to all Lloyd’s syndicates	A	A+	—	AA-
Outlook on ratings	Stable	Stable	—	Stable
Validus Reinsurance (Switzerland), Ltd.
Financial strength rating	A	A	—	—
Outlook on ratings	Stable	Stable	—	—
Western World Insurance Company
Financial strength rating	A	—	—	—
Outlook on ratings	Stable	—	—	—

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Critical Accounting Policies and Estimates

The Company’s Consolidated Financial Statements have been prepared in accordance with U.S. GAAP. The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect reported and disclosed amounts of assets and liabilities, as well as disclosure of contingent assets and liabilities as at the balance sheet date and the reported amounts of revenues and expenses during the reporting period. Management believes the following accounting policies are critical to the Company’s financial reporting as the application of these policies requires management to make significant judgments. Management believes the estimates that require the most subjective and complex judgments are (1) reserve for losses and loss expenses, (2) premiums, (3) reinsurance premiums ceded and reinsurance recoverables (4) investment valuation and (5) the valuation of goodwill and intangible assets.

Reserve for Losses and Loss Expenses

Description: The Company believes that the most significant accounting judgment made by management is our estimate of reserve for losses and loss expenses. The Company establishes its reserve for losses and loss expenses to cover the estimated remaining liability for both reported claims (“case reserves”) and unreported amounts (“incurred but not reported” or “IBNR” reserves). For insurance and reinsurance business, the IBNR reserves include provision for loss incidents that have occurred but have not yet been reported to the Company as well as for future variation in case reserves (where the claim has been reported but the ultimate cost is not yet known). The provision for future variation in current case reserves is generally calculated using actuarial estimates of total IBNR at the aggregated line of business level. Additional individual claim IBNR amounts are sometimes calculated for larger claims within our insurance and reinsurance businesses. Within the reinsurance business, the portion of total IBNR related to future variation on known claims is calculated at the individual claim level in some instances (either as an additional case reserve or individual claim IBNR). Within the insurance business, the provision for future variation in current case reserves is generally calculated using actuarial estimates of total IBNR, while individual claim IBNR amounts are sometimes calculated for larger claims. IBNR is established by the Company separately for certain large or catastrophe losses and smaller “attritional” losses. The Company has procedures in place to aggregate large or catastrophe losses on a consolidated basis for financial reporting and disclosure purposes. Loss events which have an ultimate loss estimate at or above $30.0 million on a consolidated basis are disclosed separately and included in the reserves for notable loss event roll forward table. In addition, non-notable loss events which aggregate to $15.0 million or more but less than $30.0 million on a consolidated basis are disclosed separately and included in the Company’s analysis of losses and loss expenses. Notable and non-notable loss events are first determined at the respective operating segments based on segment thresholds and are then aggregated and only disclosed if it is determined that they reach the respective consolidated threshold for notable and non-notable loss event disclosure.

For all lines of business, the Company’s reserve for losses and loss expenses and loss reserves recoverable consist of three categories: (1) case reserves, (2) in certain circumstances, additional case reserves (“ACR”), and (3) IBNR reserves. The reserves and recoverables for attritional and large or catastrophe losses are established on an annual and interim basis as follows:

1.Case reserves:    Case reserves generally are analyzed and established by each segment’s claims department on all lines, making use of third party input where appropriate (including, for the reinsurance business, reports of losses from ceding companies). For insurance business where Talbot is not the lead underwriter on the business, the case reserves are established by the lead underwriter and validated by the central Lloyd’s market claims bureau, with a sample reviewed by Talbot.

2.ACR:    ACR are established for Validus Re and AlphaCat business by our claims department in cases where we believe the case reserves reported by the cedant requires adjustment. ACR supplement case reserves based on information obtained through ceding company audits or other sources. ACR are not generally used at Talbot or Western World as claim volumes are generally greater and thus the potential for future variation in case reserve estimates on known claims often can be analyzed at an aggregate level using historical data.

3.IBNR reserves:

a.Large or catastrophe events—IBNR reserves are established for all lines based on each segment’s estimates for known loss events for which not all claims have been reported to the Company. In establishing such IBNR reserves, the Company accumulates loss information from modeling agencies, where possible, publicly available sources and information contained in client reports and estimates. The loss information is applied to the Company’s book of in-force contracts to establish an estimate of the Company’s ultimate exposure to the loss event. For the largest loss events, the Company estimates an ultimate loss expectation for the individual event. Paid losses, case reserves and any additional case reserves are then deducted from the ultimate loss to ascertain the IBNR estimate for these individual large claims or catastrophe events. The size of event for which the Company establishes a separate ultimate loss estimate may vary based on an assessment of the materiality of the event, as well as on other factors such as complexity and volatility.

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b.Attritional losses—IBNR reserves are established using some combination of the actuarial methods described above, including the Chain Ladder method, the Generalized Cape Cod method and the Bornhuetter-Ferguson method. In situations where limited historic development data is available and/or the year being analyzed is more recent (less mature), the expected loss method and the Bornhuetter-Ferguson method are more commonly used. Under all methods used, an ultimate loss amount is established. Paid losses, case reserves and any additional case reserves are then deducted from the ultimate loss to ascertain the attritional IBNR reserves.

For all case reserves, ACR and IBNR, net reserves are estimated by first estimating gross reserves, then estimating reinsurance recoverables.

Judgments and Uncertainties: Loss reserve estimates for insurance and reinsurance business are not precise in that they deal with the inherent uncertainty in the outcome of insurance and reinsurance claims made on the Company, many of which have not yet been reported to the Company. Estimating loss reserves requires management to make assumptions, both explicit and implicit, regarding future paid and reported loss development patterns, frequency and severity trends, claims settlement practices, potential changes in the legal environment and other factors. These estimates and judgments are based on numerous factors, and may be revised over time as additional experience or other data becomes available, as new or improved methodologies are developed or as current laws change.

As predominantly a broker market insurer and reinsurer, the Company must rely on loss information reported to us by brokers from clients, where such information is often incomplete or changing. The quality and type of information received varies by client and by the nature of the business, insurance or reinsurance.

For insurance business, the Company receives from brokers details of potential claims, on the basis of which the Company’s loss adjusters make estimates of the likely ultimate outcome of the claims. In determining these reserves, the Company takes into account a number of factors including the facts and circumstances of the individual claim, the nature of the coverage and historical information about its experience on similar types of claims. For insurance business where Talbot is not the lead underwriter, the case reserves are established by the lead underwriter and validated centrally by the Lloyd’s market claims bureau, with a sample reviewed by the Company. The sum of the individual claim estimates for lead and follow business constitutes the case reserves.

For reinsurance business, the Company typically receives from brokers details of paid losses and estimated case reserves recorded by the ceding company. In addition to this, the ceding company’s estimated provision for IBNR losses is sometimes also available, although this in itself introduces additional uncertainty owing to the differing and typically unknown reserving practices of ceding companies.

There will also be a time lag between a loss occurring and it being reported, first by the original claimant to its insurer, via the insurance broker, and, for reinsurance business, subsequently from the insurer to the reinsurer via the reinsurance broker.

The Company writes a mix of predominantly short-tail business, both insurance and reinsurance. The combination of low claim frequency and high claim severity that is characteristic of much of this short-tail business makes the available data more volatile and less reliable for predicting ultimate losses. For example, in property lines, there can be additional uncertainty in loss estimation related to large catastrophe events, whether natural or man-made. With wind events, such as hurricanes, the damage assessment process may take more than a year. The cost of claims is also subject to volatility due to supply shortages for construction materials and labor. In the case of earthquakes, the damage assessment process may take longer as buildings are discovered to have structural weaknesses not initially detected.

The Company also writes longer tail insurance lines of business through Validus Re, Talbot and Western World. Validus Re’s longer tail lines of business include casualty lines. Talbot’s longer tail lines of business predominantly include financial lines, marine and energy liabilities, aviation products and airports (aviation direct), construction and political risk. Western World’s longer tail lines predominantly include liability coverages for contractors, manufacturers and health care related classes. These longer tail lines represent 19.7% of the Company’s gross premiums written for the year ended December 31, 2016. In contrast to our short-tail business, the claim tail for our longer tail lines of business is expected to be notably longer as claims are often reported and ultimately paid or settled years after the related loss event occurs. In the intervening period between occurrence, reporting and settlement, additional facts regarding individual claims and trends will often become known and current laws and case law may change, affecting the ultimate value of the claim.

Taken together, these issues add considerable uncertainty to the process of estimating ultimate losses, hence loss reserves, and this uncertainty is increased for reinsurance business compared with insurance business due to the additional parties in the chain of reporting from the original claimant to the reinsurer.

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As a result of the uncertainties described above, the Company must estimate IBNR reserves, which consist of a provision for future development on known loss events, as well as a provision for claims which have occurred but which have not yet been reported to us by clients. Because of the degree of reliance that is necessarily placed on brokers and (re)insured companies for claims reporting, the associated time lag, the low frequency/high severity nature of much of the business underwritten, the rapidly emerging and changing nature of facts and circumstances surrounding large events and, for reinsurance business, the varying reserving practices among ceding companies as described above, reserve estimates are highly dependent on management’s judgment and are subject to uncertainty.

The Company strives to take account of these uncertainties in the judgments and assumptions made when establishing loss reserves, but it is not possible to eliminate the uncertainties. As a result, there is a risk that the Company’s actual losses may be higher or lower than the reserves booked.

For the Company’s insurance business written by Talbot and Western World, where a longer reserving history exists, the Company examines the development of its own historical paid and incurred losses to identify trends, which it then incorporates into the reserving process where it deems appropriate.

For the Company’s reinsurance business, where the Company relies more heavily on information provided by clients in order to assist it in estimating reserves, the Company performs certain processes in order to help assess the completeness and accuracy of such information as follows:

1.In addition to information received from clients on reported claims, the Company also uses information on the patterns of client loss reporting and loss settlements from previous events in order to estimate the Company’s ultimate liability related to these events;

2.The Company uses reinsurance industry information in order to perform consistency checks on the data provided by ceding companies and to identify trends in loss reporting and settlement activity. Where it deems appropriate, the Company incorporates such information in establishing reinsurance reserves; and

3.For both insurance and reinsurance business, the Company supplements the loss information received from clients with loss estimates developed by market share techniques and third party catastrophe models when such information is available.

Although there is normally a lag in receiving reinsurance data from cedants, the Company currently has adequate procedures in place regarding the timeliness related to the processing of assumed reinsurance information and there is no significant backlog. The Company actively manages its relationships with brokers and clients and considers existing disputes with counterparties to be in the normal course of business.

As described above, the reserve for losses and loss expenses includes both a component for outstanding case reserves for claims which have been reported and a component for IBNR reserves. IBNR reserves are the difference between ultimate losses and reported losses, where reported losses are the sum of paid losses and outstanding case reserves. Ultimate losses are estimated by management using various actuarial methods, including exposure-based and loss-based methods, as well as other qualitative assessments regarding claim trends.

The Company uses a reserving methodology that establishes a point estimate for ultimate losses. The point estimate represents management’s best estimate of ultimate losses and loss expenses. The Company does not select a range as part of its loss reserving process. The extent of reliance on management judgment in the reserving process differs depending on the circumstances surrounding the estimations, including the volume and credibility of data, the perceived relevance of historical data to future conditions, the level of stability in the Company’s operational processes for handling losses (including claims practices and systems) and other factors. The Company reviews its reserving assumptions and methodologies on a quarterly basis. Two of the most critical assumptions in establishing reserves are loss emergence patterns and expected loss ratios. Loss emergence patterns are critical to the reserving process as they can be one key indicator of the ultimate liability. A pattern of reported loss emergence which is different from expectations may indicate a change in the loss climate and may thus influence the estimate of future payments that should be reflected in reserves. Expected loss ratios are a primary component in the Company’s calculation of estimated ultimate losses for business at an early stage in its development.

Loss emergence patterns for the business written by Talbot and Western World are generally derived from its own historic loss development triangulations and in some instances, the business written by Talbot is also supplemented by Lloyd’s market data. For the business written by Validus Re and AlphaCat, where its own historic loss development triangulations are currently more limited, greater use is made of market data including reinsurance industry data available from organizations such as statistical bureaus and consulting firms, where appropriate. Expected loss ratios are estimated in a variety of ways, largely dependent upon the data available. Wherever it deems appropriate, management incorporates the Company’s own loss experience in establishing initial expected loss ratios and reserves. This is particularly true for the business written by Talbot and Western World where a longer reserving history exists and expected losses and loss ratios consider, among other things, rate increases and changes in terms and conditions that have

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been observed in the market. For reinsurance business, expected losses and loss ratios are typically developed using vendor and proprietary computer models. The information used in these models is collected by underwriters and actuaries during the initial pricing of the business.

The Company has large catastrophe event ultimate loss reserve estimation procedures for the investigation, analysis, and estimation of ultimate losses resulting from large catastrophe events. The determination regarding which events follow these procedures is made by members of senior management from relevant departments within the Company. The procedures are designed to facilitate the communication of information between various relevant functions and provide an efficient approach to determining the estimated loss for the event.

In developing estimates for large catastrophe events, the Company considers various sources of information including: specific loss estimates reported by our cedants and policyholders, overall insurance industry loss estimates reported by our brokers and by claims reporting services, proprietary and third party vendor models and internal data regarding insured or reinsured exposures related to the geographical location of the event. Use of these various sources enables management to estimate the ultimate loss for known events with a higher degree of accuracy and timeliness than if the Company relied solely on one data source. Indicated ultimate loss estimates for catastrophe events are compiled by a committee of management, and these indicated ultimate losses are incorporated into the process of selecting management’s best estimate of reserves.

As with large catastrophe events, the Company separately estimates ultimate losses for certain large claims using a number of methods, including estimation based on vendor models, analyses of specific industry occurrences and facts, as well as information from cedants and policyholders on individual contract involvements.

During 2010 and 2011, given the complexity and severity of notable loss events, explicit reserves for potential development (“RDE”) on 2010 and 2011 notable loss events were included within the Company’s IBNR reserving process. As uncertainties surrounding initial estimates on notable loss events developed, this reserve has been allocated to specific notable loss events. No RDE was established for notable loss events incurred between 2012 through 2016.

The requirement for a reserve for potential development on notable loss events in a quarter is a function of (a) the number of significant events occurring in that quarter and (b) the complexity and volatility of those events. Complexity and volatility factors considered are as follows:

• Contract complexity;

• Nature and number of perils arising from an event;

• Limits and sub limits exposed;

• Quality, timing and flow of information received from each loss;

• Timing of receipt of information to the Company;

• Information regarding retrocessional covers;

• Assumptions, both explicit and implicit, regarding future paid and reported loss development patterns;

• Frequency and severity trends;

• Claims settlement practices; and

• Potential changes in the legal environment.

Each of these factors may lead to associated volatility for each notable loss event as well as consideration of the total reserve for loss events in the aggregate. Consequently, all of these factors are considered in the aggregate for the events occurring in the quarter, recognizing that it is more likely that one or some of the events may deteriorate significantly, rather than all deteriorating proportionately. The establishment of each quarter’s requirement for a reserve for potential development on notable loss events takes place as part of the quarterly evaluation of the Company’s overall reserve requirements. It is not directly linked in isolation to any one significant/notable loss in the quarter. The reserve for potential development on notable loss events is evaluated by our in-house actuaries as part of their normal process in setting of indicated reserves for the quarter. In ensuing quarters, senior management and the in-house actuaries revisit and re-estimate certain events previously considered in the catastrophe loss event process as well as events that have subsequently emerged in the current quarter. To the extent that there has been adverse development on a notable loss event, if there is RDE remaining from that accident year, an allocation from the respective accident year RDE will be made to the notable loss event. If there is no remaining RDE relating to the accident year of the loss, then adverse development will be recorded for the notable loss event.

Changes to the reserve for potential development on notable loss events will be considered in light of changes to previous loss estimates from notable loss events in this re-estimation process. To the extent that there are continued complexity and volatility factors relating to notable loss events in the aggregate, additions to the RDE may be established for a specific accident year.

Management’s loss estimates are subject to annual corroborative review by independent external actuaries using generally accepted actuarial techniques and other analytical and qualitative methods.

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The Company’s reserving methodology was not changed materially in the year ended December 31, 2016 from the methodology used in the year ended December 31, 2015. Management’s best estimate of the gross reserve for losses and loss expenses and loss reserves recoverable at December 31, 2016 were $3.0 billion and $430.4 million, respectively. The following table sets forth a breakdown between gross case reserves and gross IBNR by segment at December 31, 2016.

	December 31, 2016
(Dollars in thousands)	Gross Case Reserves			Gross IBNR			Total Gross Reserve for Losses and Loss Expenses
Validus Re	$	447,982		$	668,771		$	1,116,753
Talbot	603,447			698,070			1,301,517
Western World	208,157			381,343			589,500
AlphaCat	9,106			39,428			48,534
Eliminations	(30,920		)	(30,189		)	(61,109		)
Total	$	1,237,772		$	1,757,423		$	2,995,195

Management’s best estimate of the gross reserve for losses and loss expenses and loss reserves recoverable at December 31, 2015 were $3.0 billion and $350.6 million, respectively. The following table sets forth a breakdown between gross case reserves and gross IBNR by segment at December 31, 2015.

	December 31, 2015
(Dollars in thousands)	Gross Case Reserves			Gross IBNR			Total Gross Reserve for Losses and Loss Expenses
Validus Re	$	508,275		$	638,594		$	1,146,869
Talbot	616,459			686,176			1,302,635
Western World	188,477			411,854			600,331
AlphaCat	595			10,418			11,013
Eliminations	(35,109		)	(29,172		)	(64,281		)
Total	$	1,278,697		$	1,717,870		$	2,996,567

To the extent insurance and reinsurance industry data is relied upon to aid in establishing reserve estimates, there is a risk that the data may not match the Company’s risk profile or that the industry’s reserving practices overall differ from those of the Company and its clients. In addition, reserving can prove especially difficult should a significant loss event take place near the end of an accounting period, particularly if it involves a catastrophic event. These factors further contribute to the degree of uncertainty in the reserving process.

The uncertainties inherent in the reserving process, together with the potential for unforeseen developments, including changes in laws and the prevailing interpretation of policy terms, may result in losses and loss expenses materially different from the reserves initially established. Changes to prior year reserves will affect current period underwriting income by increasing income if the prior year ultimate losses are reduced or decreasing income if the prior year ultimate losses are increased. The Company expects volatility in results in periods when significant loss events occur because U.S. GAAP does not permit insurers or reinsurers to reserve for loss events until they have both occurred and are expected to give rise to a claim. As a result, the Company is not allowed to record contingency reserves to account for expected future losses. The Company anticipates that claims arising from future events will require the establishment of substantial reserves in future periods.

Effect if Actual Results Differ From Assumptions: Given the risks and uncertainties associated with the process for estimating reserves for losses and loss expenses, management has performed an evaluation of the potential variability in loss reserves and the impact this variability may have on reported results, financial condition and liquidity. Because of the inherent uncertainties discussed above, we have developed a reserving philosophy which attempts to incorporate prudent assumptions and estimates, and we have generally experienced favorable net development on prior year reserves in the last several years. However, there is no assurance that this will occur in future periods.

Management’s best estimate of the net reserve for losses and loss expenses at December 31, 2016 is $2.6 billion. The following tables show the effect on estimated net reserves for losses and loss expenses as of December 31, 2016 of a change in two of the most critical assumptions in establishing reserves: (1) loss emergence patterns, accelerated or decelerated by three and six months; and (2) expected loss ratios varied by plus or minus five and ten percent. Management believes that a reasonably likely scenario is represented by such a standard, as used by some professional actuaries as part of their review of an insurer’s or reinsurer’s reserves.

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Utilizing this standard as a guide, management has selected these variances to determine reasonably likely scenarios of variability in the loss emergence and loss ratio assumptions. These scenarios consider normal levels of catastrophe events. Loss reserves may vary beyond these scenarios in periods of heightened or reduced claim activity. The reserves resulting from the changes in the assumptions are not additive and should be considered separately. The following tables vary the assumptions employed therein independently. In addition, the tables below do not adjust any parameters other than the ones described above. Specifically, reinsurance collectability was not explicitly stressed as part of the calculations below.

Net reserve for losses and loss expenses at December 31, 2016—Sensitivity to loss emergence patterns

	December 31, 2016
(Dollars in thousands)	Reserve for losses and loss expenses
Change in assumption
Six month acceleration	$	2,261,310
Three month acceleration	$	2,405,367
No change (selected)	$	2,564,774
Three month deceleration	$	2,735,327
Six month deceleration	$	2,884,735

Net reserve for losses and loss expenses at December 31, 2016—Sensitivity to expected loss ratios

	December 31, 2016
(Dollars in thousands)	Reserve for losses and loss expenses
Change in assumption
10% favorable	$	2,370,162
5% favorable	$	2,467,654
No change (selected)	$	2,564,774
5% unfavorable	$	2,662,639
10% unfavorable	$	2,760,131

The most significant variance in the above scenarios, a six month deceleration in loss emergence patterns, would have the effect of increasing losses and loss expenses by $320.0 million.

Management believes that the reserve for losses and loss expenses are sufficient to cover expected claims incurred before the reporting date on the basis of the methodologies and judgments used to support its estimates. However, there can be no assurance that actual payments will not vary significantly from total reserves. The reserve for losses and loss expenses and the methodology of estimating such reserve are regularly reviewed and updated as new information becomes known. Any resulting adjustments are reflected in income in the period in which they become known.

Premiums

Description: For insurance business, written premium estimates are determined from the business plan estimates of premiums by class, the aggregate of underwriters’ estimates on a policy-by-policy basis, and projections of ultimate premiums using generally accepted actuarial methods. In particular, direct insurance premiums are recognized in accordance with the type of contract written. The majority of our insurance premium is accepted on a direct open market or facultative (proportional or non-proportional) basis. We receive a premium which is identified in the policy and this premium will typically adjust only if the underlying insured values adjust.

A limited portion of our insurance business is written on a line slip basis or binder, under which we assume a fixed percentage of the premiums and losses on a particular risk or group of risks along with numerous other unrelated insurers. Although premiums on this business are not contractually stated, we recognize gross premiums written based on an estimate provided by the client, via the broker.

For reinsurance business, where the assumed reinsurance premium is written on an excess of loss (non-proportional) or on a pro-rata (proportional) basis, reinsurance contracts are generally written prior to the time the underlying direct policies are written by cedants and accordingly cedants must estimate such premiums when purchasing reinsurance coverage. For excess of loss contracts, the deposit premium is defined in the contract. The deposit premium is based on the client’s estimated premiums, and this estimate is the amount recorded as written premium in the period the risk incepts. In the majority of cases, these contracts are adjustable to reflect the changes in underlying risks during the contract period. For pro-rata contracts, an estimate of written premium is recorded in the period in which the risk incepts. The written premiums estimate is based on the pro rata cession percentage, on information provided by ceding companies and on management’s judgment. Management critically evaluates the information provided by ceding

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companies based on experience with the cedant, broker and the underlying book of business and may modify the initial premium estimates provided by the cedant.

The table below identifies the extent of premiums that were written on a proportional and non-proportional basis:

	Years Ended December 31,
	2016				2015				2014 (a)
(Dollars in thousands)	Gross Premiums Written		% of Total		Gross Premiums Written		% of Total		Gross Premiums Written		% of Total
Proportional	$	767,922	29.0	%	$	725,135	28.4	%	$	600,537	25.5	%
Non-proportional	1,880,783		71.0	%	1,832,371		71.6	%	1,758,328		74.5	%
Total	$	2,648,705	100.0	%	$	2,557,506	100.0	%	$	2,358,865	100.0	%

(a) The results of operations for Western World are consolidated from the October 2, 2014 date of acquisition.

Premium earning: For contracts written on a losses occurring basis or claims made basis, being the majority of our insurance and excess of loss reinsurance business, premium income is generally earned proportionately over the expected risk period, usually 12 months. For contracts written on a risks attaching basis, being primarily our pro-rata reinsurance business, premiums are generally earned over a 24 month period due to the fact that some of the underlying exposures may attach towards the end of the contract, and such underlying exposures generally have a 12 month coverage period. The portion of the premium related to the unexpired portion of the policy at the end of any reporting period is presented on the consolidated balance sheet as unearned premiums. Changes in circumstance subsequent to contract inception can impact the earning period. For example, when the exposure limit for a contract is reached, we fully earn any associated unearned premium.

Judgments and Uncertainties: On a quarterly basis, the Company evaluates the appropriateness of premium estimates based on the latest information available, which may include actual reported premium to date, the latest premium estimates as provided by cedants and brokers, historical experience, management’s professional judgment, underlying values as necessary, information obtained during the underwriting renewal process, as well as an assessment of relevant economic conditions. Past experience may not be indicative of how future premium estimates develop.

For business written on a facultative basis, endorsements, based on reports by our clients of changes in the original contractual cover, are recorded in the period in which the client reports are received, which would normally be over the life of the cover or shortly afterwards. Typically, the adjustment to the original premium is an insignificant portion of the total premium written.

For business written on a facility basis, although a premium estimate is not contractually stated for the amount of business to be written under any particular facility, an initial estimate of the expected premium written is received from the coverholder via the broker. Our estimate of premium is derived by reference to one or more of the following: the historical premium volume experienced by any facility, historical premium volume of similar facilities, the estimates provided by the broker and industry information on the underlying business. We actively monitor the development of actual reported premium against the estimates made; where actual reported premiums deviate from the estimate, we carry out an analysis to determine the cause and may, if necessary, adjust the estimated premiums.

For business written on an excess of loss basis, premium adjustments, based on reports by the clients of actual premium, are recorded in the period in which the cedant reports are received, which would normally be within six months to one year subsequent to the expiration of the contract. Typically the adjustment to the deposit premium is an insignificant portion of the total premium written. Many of our excess of loss contracts also include provisions that require an automatic reinstatement of coverage in the event of a loss. Reinstatement premiums are recognized when a triggering loss event occurs and losses are recorded by us. While the reinstatement premium amount is defined by contract terms, our recognition of reinstatement premiums is dependent on our estimate of losses and loss expenses, which reflect management’s best judgment as described above in “Reserve for Losses and Loss Expenses.”

For business written on a proportional basis, we review premium estimates on a quarterly basis and evaluate their reasonability in light of actual reported premium to date, the latest premium estimates as provided by cedants and brokers, historical experience, management’s professional judgment, information obtained during the underwriting renewal process, as well as an assessment of relevant economic conditions. Factors contributing to changes from the initial premium estimates may include changes in renewal rates, rates of new business or underlying exposures. As a result of this review process, any adjustments to estimates are recognized in gross premiums written during the period they are determined. Such changes in premium estimates may directly impact net premiums earned in the period they are determined because the adjustment may need to be substantially or fully earned.

The Company believes that reasonably likely changes in assumptions made in the estimation process would not have a significant impact on gross premiums written as recorded.

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Credit risk: Management includes an assessment of the creditworthiness of cedants in the review process above, primarily based on market knowledge, reports from rating agencies, the timeliness of cedants’ payments and the status of current balances owing. Based on this assessment, management believes that as at December 31, 2016 no provision for doubtful accounts is necessary for receivables from cedants.

Reinsurance Premiums Ceded and Reinsurance Recoverables

Description:As discussed in Item 1 “Business,” the Company primarily uses ceded reinsurance for risk mitigation purposes. Validus Re purchases reinsurance on an excess of loss and a proportional basis together with ILW coverage. Talbot purchases reinsurance on an excess of loss and a proportional basis together with a relatively small amount of facultative reinsurance and ILWs. Western World purchases reinsurance on an excess of loss basis with a relatively small amount of facultative reinsurance.

Judgments and Uncertainties: For excess of loss business, the amount of reinsurance premium payable is usually contractually documented at inception and management judgment is only necessary in respect of any loss-related elements of the reinsurance premium, for example, reinstatement or adjustment premiums and loss-related commissions. The full reinsurance premium ceded is recorded at inception and if the contract is purchased on a “losses occurring” basis, the reinsurance premium ceded is expensed on a straight line basis over the life of the contract. If the policy is purchased on a “risks attaching” basis, the reinsurance premium ceded is expensed in line with how the inwards gross premium, to which the risk attaching policy relates, is earned. After the contract has expired, a No Claims Bonus may be received for certain policies, and this is recorded as a reinsurance premium adjustment in the period in which it can be reasonably determined.

Paid losses recoverable and loss reserves recoverable balances include amounts owed to us in respect of paid and unpaid ceded losses and loss expenses, respectively. The balances are presented net of a provision for non-recoverability. As at December 31, 2016, loss reserves recoverable balances were $430.4 million and paid losses recoverable balances were $35.2 million. In establishing our reinsurance recoverable balances, significant judgment is exercised by management in determining the amount of unpaid losses and loss expenses to be ceded as well as our ability to cede losses and loss expenses under our reinsurance contracts.

The Company’s ceded unpaid losses and loss expenses consists of two elements, those for reported losses and those for IBNR. Ceded amounts for IBNR are developed as part of our loss reserving process. Consequently, the estimation of ceded unpaid losses and loss expenses is subject to similar risks and uncertainties in the estimation of gross IBNR (refer to “Reserve for Losses and Loss Expenses” above). As at December 31, 2016, ceded IBNR recoverable balances were $265.1 million.

Although our reinsurance recoverable balances are derived from our determination of contractual provisions, the recoverability of such amounts may ultimately differ due to the potential for a reinsurer to become financially impaired or insolvent or for a contractual dispute over contract language or coverage. Consequently, we review our reinsurance recoverable balances on a regular basis to determine if there is a need to establish a provision for non-recoverability. In performing this review, the Company uses judgment in assessing the credit worthiness of our reinsurers and the contractual provisions of our reinsurance agreements. As at December 31, 2016, the Company had a provision for non-recoverability of $5.2 million. In the event that the credit worthiness of our reinsurers were to deteriorate, actual uncollectible amounts could be significantly greater than our provision for non-recoverability.

The Company uses a variety of methods to estimate uncollectible reinsurance, with the primary method being a default analysis. The primary components of the default analysis are reinsurance recoverable balances by reinsurer and default factors used to determine the portion of a reinsurer’s balance deemed to be uncollectible. Default factors require considerable judgment and are determined using the current rating, or rating equivalent, of each reinsurer as well as other key considerations and assumptions.

At December 31, 2016, the use of different assumptions within the model could have an effect on the provision for uncollectible reinsurance reflected in the Company’s Consolidated Financial Statements. To the extent the creditworthiness of the Company’s reinsurers was to deteriorate due to an adverse event affecting the reinsurance industry, such as a large number of major catastrophes, actual uncollectible amounts could be significantly greater than the Company’s provision.

Investment Valuation

Description: Consistent with U.S. GAAP, the Company recognizes investments at their fair value in the Consolidated Balance Sheets. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. U.S. GAAP also established a three level valuation hierarchy for disclosure of fair value measurements. The valuation hierarchy is based upon whether the inputs to the valuation of an asset or liability are observable or unobservable in the market at the measurement date, with quoted market prices being the highest level (“Level 1”) and unobservable inputs being the lowest level (“Level 3”). Generally, the degree of judgment used in measuring the fair value of financial instruments inversely correlates with the availability of observable inputs. The Company also holds investments which are measured at fair value using the net asset value practical expedient, and in accordance with U.S. GAAP does not classify these investments within the fair value hierarchy.

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Judgments and Uncertainties: The Company’s external investment accounting service provider receives prices from independent pricing sources to measure the fair values of a majority of the Company’s investments. These independent pricing sources are prioritized with respect to reliability to ensure that only the highest priority pricing inputs are used. The independent pricing sources are received via automated feeds from indices, pricing and broker-dealers services. Pricing is also obtained from other external investment managers. This information is applied consistently across all portfolios. The Company’s external investment accounting service provider confirms and documents all prices received from broker-dealers on a daily basis for quality control and audit purposes.

In addition to internal controls, management relies on the effectiveness of the valuation controls in place at the Company’s external investment accounting service provider (supported by a Statement on Standards for Attestation Engagements No. 16 Report) in conjunction with regular discussion and analysis of the investment portfolio’s structure and performance. To date, management has not noted any issues or discrepancies related to investment valuation.

For further details on the valuation of the Company’s investment portfolio refer to Note 8 to the Consolidated Financial Statements, “Fair value measurements,” in Part II, Item 8.

Refer to Item 7A, “Quantitative and Qualitative Disclosures About Market Risk” for further discussion of interest rate risk and a sensitivity analysis of the impact of interest rate variances on the valuation of the Company’s fixed maturity and short-term investments.

Goodwill and Other Intangible Assets

Goodwill represents the excess of purchase price over the fair value of nets assets acquired from the acquisition of Talbot and Western World. Intangible assets with a finite life are amortized over the estimated useful life of the asset. Intangible assets with an indefinite useful life are not amortized.

Goodwill and other intangible assets are assessed for impairment on an annual basis or more frequently if events or changes in circumstances indicate that it is more likely than not that an impairment exists. Such events or circumstances may include an economic downturn in a geographic market or change in the assessment of future operations. In performing this assessment, the Company may first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform the quantitative goodwill impairment test. Similarly, the Company may first assess qualitative factors to determine whether it is more likely than not that an other intangible asset is impaired as a basis for determining whether it is necessary to perform the quantitative impairment test described in ASC Topic 350 “Intangibles-Goodwill and Other.” The factors assessed in making this determination included the overall insurance industry outlook, business strategy, premium rates, earnings sustainability, market capitalization and the regulatory and political environment.

If goodwill or other intangible assets are impaired, they are written down to their fair value with a corresponding expense reflected in the Consolidated Statements of Income and Comprehensive Income in the period in which the determination is made.

As at December 31, 2016, neither the Company’s initial valuation nor its subsequent valuations has indicated any impairment of the Company’s goodwill and other intangible assets of $196.8 million and $115.6 million, respectively. For further details refer to Note 6 to the Consolidated Financial Statements, “Goodwill and other intangible assets,” in Part II, Item 8.

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CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

The PSLRA provides a “safe harbor” for forward-looking statements. Any prospectus, prospectus supplement, the Company’s Annual Report to shareholders, any proxy statement, any other Form 10-K, Form 10-Q or Form 8-K of the Company or any other written or oral statements made by or on behalf of the Company may include forward-looking statements that reflect the Company’s current views with respect to future events and financial performance. Such statements include forward-looking statements both with respect to the Company in general, and to the insurance and reinsurance sectors in particular. Statements that include the words “expect”, “intend”, “plan”, “believe”, “project”, “anticipate”, “will”, “may”, and similar statements of a future or forward-looking nature identify forward-looking statements for purposes of the PSLRA or otherwise. All forward-looking statements address matters that involve risks and uncertainties. Accordingly, there are or will be important factors that could cause actual results to differ materially from those indicated in such statements and, therefore, you should not place undue reliance on any such statement.

We believe that these factors include, but are not limited to, the following:

• unpredictability and severity of catastrophic events;

• our ability to obtain and maintain ratings, which may affect by our ability to raise additional equity or debt financings, as well as other factors described herein;

• adequacy of the Company’s risk management and loss limitation methods;

• cyclicality of demand and pricing in the insurance and reinsurance markets;

• the Company’s ability to implement its business strategy during “soft” as well as “hard” markets;

• adequacy of the Company’s loss reserves;

• continued availability of capital and financing;

• the Company’s ability to identify, hire and retain, on a timely and unimpeded basis and on anticipated economic and other terms, experienced and capable senior management, as well as underwriters, claims professionals and support staff;

• acceptance of our business strategy, security and financial condition by rating agencies and regulators, as well as by brokers and (re)insureds;

• competition, including increased competition, on the basis of pricing, capacity, coverage terms or other factors;

• potential loss of business from one or more major insurance or reinsurance brokers;

• the Company’s ability to implement, successfully and on a timely basis, complex infrastructure, distribution capabilities, systems, procedures and internal controls, and to develop accurate actuarial data to support the business and regulatory and reporting requirements;

• general economic and market conditions (including inflation, volatility in the credit and capital markets, interest rates and foreign currency exchange rates) and conditions specific to the insurance and reinsurance markets in which we operate;

• the integration of businesses we may acquire or new business ventures, including overseas offices, we may start and the risk associated with implementing our business strategies and initiatives with respect to the new business ventures;

• accuracy of those estimates and judgments used in the preparation of our financial statements, including those related to revenue recognition, insurance and other reserves, reinsurance recoverables, investment valuations, intangible assets, bad debts, taxes, contingencies, litigation and any determination to use the deposit method of accounting, which, for a relatively new insurance and reinsurance company like our company, are even more difficult to make than those made in a mature company because of limited historical information;

• the effect on the Company’s investment portfolio of changing financial market conditions including inflation, interest rates, liquidity and other factors;

• acts of terrorism, political unrest, outbreak of war and other hostilities or other non-forecasted and unpredictable events;

• availability and cost of reinsurance and retrocession coverage;

• the failure of reinsurers, retrocessionaires, producers or others to meet their obligations to us;

• the timing of loss payments being faster or the receipt of reinsurance recoverables being slower than anticipated by us;

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• changes in domestic or foreign laws or regulations, or their interpretations;

• changes in accounting principles or the application of such principles by regulators;

• statutory or regulatory or rating agency developments, including as to tax policy and reinsurance and other regulatory matters such as the adoption of proposed legislation that would affect Bermuda-headquartered companies and/or Bermuda based insurers or reinsurers; and

• the other factors set forth herein under Part I Item 1A “Risk Factors” and under Part II Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and the other sections of this Annual Report on Form 10-K for the year ended December 31, 2016, as well as the risk and other factors set forth in the Company’s other filings with the SEC, as well as management’s response to any of the aforementioned factors.

In addition, other general factors could affect our results, including: (a) developments in the world’s financial and capital markets and our access to such markets; (b) changes in regulations or tax laws applicable to us, and (c) the effects of business disruption or economic contraction due to terrorism or other hostilities.

The foregoing review of important factors should not be construed as exhaustive and should be read in conjunction with the other cautionary statements that are included herein or elsewhere. Any forward-looking statements made in this report are qualified by these cautionary statements, and there can be no assurance that the actual results or developments anticipated by us will be realized or, even if substantially realized, that they will have the expected consequences to, or effects on, us or our business or operations. We undertake no obligation to update publicly or revise any forward-looking statement, whether as a result of new information, future developments or otherwise.

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Item 7A.    Quantitative And Qualitative Disclosures About Market Risk

The Company is principally exposed to five types of market risk:

• interest rate risk;

• foreign currency risk;

• credit risk;

• liquidity risk; and

• inflation risk.

Interest Rate Risk   

 The Company’s managed fixed maturity and short-term investments are exposed to interest rate risk. Fluctuations in interest rates have a direct impact on the market valuation of these investments. As interest rates rise and credit spreads widen, the market value of the Company’s fixed maturity and short-term investments fall and the Company has the risk that cash outflows will have to be funded by selling assets, which will be trading at depreciated values. As interest rates decline and credit spreads tighten, the market value of the Company’s fixed maturity and short-term investments increase and the Company has reinvestment risk, as funds reinvested may earn less than is necessary to match anticipated liabilities. The Company manages interest rate risk by selecting investments with characteristics such as duration, yield, currency and liquidity tailored to the anticipated cash outflow characteristics of the insurance and reinsurance liabilities it assumes.

The following table indicates the impact on the fair value of the Company’s managed fixed maturity and short-term investment portfolios from an immediate 100 basis point increase and decrease in market interest rates (based on U.S. treasury yields):

	December 31, 2016					December 31, 2015
(Dollars in thousands)	Increase (decrease) in fair value					Increase (decrease) in fair value
Immediate 100 basis point increase in market interest rates	$	(136,758	)	(2.4	)%	$	(126,908	)	(2.4	)%
Immediate 100 basis point decrease in market interest rates	$	137,213		2.4	%	$	127,976		2.4	%

As at December 31, 2016, the Company held $1.6 billion (December 31, 2015: $1.3 billion), or 28.8% (December 31, 2015: 25.1%) of the Company’s managed fixed maturity investments in asset-backed and mortgage-backed securities. Some of these assets are exposed to prepayment risk, which occurs when the frequency with which holders of the underlying loans prepay the outstanding principal before the maturity date changes. The adverse impact of prepayment is more evident in a declining interest rate environment. As a result, the Company will be exposed to reinvestment risk, as cash flows received by the Company will be accelerated and will be reinvested at the prevailing interest rates.

Foreign Currency Risk 

We conduct our insurance and reinsurance operations in a variety of non-U.S. currencies and certain of the Company’s reinsurance contracts provide that ultimate losses may be payable in foreign currencies depending on the country of original loss. As the functional currency for the majority of our subsidiaries is the U.S. dollar, foreign currency exchange rate risk exists to the extent that there is an increase in the exchange rate of the foreign currency in which losses are ultimately owed. Therefore, our foreign currency policy is to broadly manage, where possible, our foreign currency risk by seeking to match our liabilities under insurance and reinsurance policies that are payable in foreign currencies with assets that are denominated in such currencies.

The following table presents the Company’s monetary assets and liabilities held in foreign currencies and the Company’s non-monetary assets and liabilities that do not require revaluation:

	December 31, 2016				December 31, 2015
(Dollars in thousands)	Balance		% of Total		Balance		% of Total
Total monetary assets held in foreign currencies	$	592,010	5.2	%	$	568,153	5.4	%
Total monetary liabilities held in foreign currencies	681,281		11.7	%	732,730		13.1	%
Total non-monetary assets that do not require revaluation	16,584		0.1	%	15,937		0.2	%
Total non-monetary liabilities that do not require revaluation	87,291		1.5	%	81,718		1.5	%

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When necessary, the Company may also use derivatives to economically hedge unmatched foreign currency exposures, specifically forward contracts. To the extent foreign currency exposure is not hedged or otherwise matched, the Company may experience foreign exchange gains or losses, which in turn would affect the Company’s results of operations and financial condition.

For further information on the accounting treatment of our foreign currency derivatives, refer to Note 12to the Consolidated Financial Statements, “Derivative instruments,” inPart II, Item 8.

Credit Risk 

Credit risk relates to the uncertainty of a counterparty’s ability to make timely payments in accordance with contractual terms of the instrument or contract. We are exposed to direct credit risk primarily within our portfolios of fixed maturity and short-term investments, and through customers, brokers and reinsurers in the form of premiums receivable and reinsurance recoverables, respectively, as discussed below.

The Company is exposed to credit risk from the possibility that counterparties may default on their obligations. The Company’s primary credit risks reside in investments in U.S. and non-U.S. corporate bonds and loans and amounts recoverable from reinsurers.

Investments: The Company attempts to limit its credit exposure by purchasing high quality fixed maturity investments to maintain a minimum weighted average portfolio credit rating of A+ on its rated managed fixed maturity investments. As at December 31, 2016, the Company’s rated managed fixed maturity investments had an average credit quality rating of AA- (December 31, 2015: AA-).

In addition, the Company’s IPS limits the amount of “risk assets” held as part of its managed cash and investments portfolio to a maximum of 35% of shareholders’ equity available to Validus. Risk assets include non-investment grade debt securities, private equity investments, private placements that are not subject to rule 144A, hedge funds and other alternative assets. The Company’s managed cash and investment portfolio had risk assets of $853.0 million or 22.2% of shareholders’ equity available to Validus as at December 31, 2016 (December 31, 2015: $837.9 million or 23.0%).

The Company also limits its aggregate exposure to any single issuer to 3.75% or less of its total managed cash and investment portfolio, excluding government and agency securities, depending on the credit rating of the issuer. The Company did not have an aggregate exposure to any single issuer of more than 1.0% of total managed cash and investments, other than with respect to government and agency securities as at December 31, 2016 (December 31, 2015: 0.9%).

Furthermore, fixed maturity investments in below investment grade securities are limited to no more than 15% of the Company’s managed cash and investment portfolio. As at December 31, 2016, 9.4% (December 31, 2015: 10.2%) of the managed cash and investment portfolio was rated below Baa3/BBB-.

Reinsurance: The amount of the maximum exposure to credit risk is indicated by the carrying value of the Company’s financial assets. The Company evaluates the financial condition of its reinsurers and monitors concentration of credit risk arising from its exposure to individual reinsurers. The reinsurance program is generally placed with reinsurers whose rating, at the time of placement, was A- or better rated by S&P or the equivalent with other rating agencies. Exposure to a single reinsurer is also controlled with restrictions dependent on rating. As at December 31, 2016, $461.4 million or 99.1% (December 31, 2015: $368.6 million or 98.7%) of the Company’s reinsurance balances recoverable were either fully collateralized or recoverable from reinsurers rated A- or better.

Liquidity risk  

Certain of the Company’s investments may become illiquid. Disruption in the credit markets may materially affect the liquidity of the Company’s investments, including non-agency residential mortgage-backed securities and bank loans which represent 8.9% at December 31, 2016 (December 31, 2015: 9.2%) of managed cash and investments. If the Company requires significant amounts of cash on short notice in excess of normal cash requirements (which could include claims on a major catastrophic event) in a period of market illiquidity, the investments may be difficult to sell in a timely manner and may have to be disposed of for less than what may otherwise have been possible under other conditions. At December 31, 2016, the Company had $726.0 million (December 31, 2015: $855.9 million) of unrestricted, liquid assets, defined as managed unpledged cash and cash equivalents, short term investments, government and government agency securities.

For details on the Company’s debt and financing arrangements, refer to Part II, Item 8, Note 13 to the Consolidated Financial Statements, “Debt and financing arrangements.”

Inflation Risk  

The Company does not believe that inflation has had or will have a material effect on its combined results of operations, except insofar as (a) inflation may affect interest rates, and (b) losses and loss expenses may be affected by inflation.

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Item 8.    Financial Statements and Supplementary Data

Reference is made to Item 15 (a) of this Report for the Consolidated Financial Statements of Validus Holdings, Ltd. and the Notes thereto, as well as the Schedules to the Consolidated Financial Statements.

Item 9.    Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

None.

Item 9A.    Controls and Procedures

Conclusion Regarding the Effectiveness of Disclosure Controls and Procedures

The Company carried out an evaluation, under the supervision and with the participation of the Company’s management, including the Chief Executive Officer and Chief Financial Officer, of the effectiveness of disclosure controls and procedures pursuant to Rules 13a-15 and 15d-15 promulgated under the Securities Exchange Act of 1934, as amended, as of the end of the period covered by this report. Based on that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that the disclosure controls and procedures are effective to provide reasonable assurance that all material information relating to the Company required to be filed in this report has been made known to them in a timely fashion.

Management’s Report on Internal Control Over Financial Reporting

The Company’s management is responsible for establishing and maintaining adequate internal control over financial reporting as defined in Rules 13a-15(f) and 15d-15(f) of the Securities Exchange Act of 1934, as amended.

The Company’s internal control over financial reporting was designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles.

The Company’s management assessed the effectiveness of the Company’s internal control over financial reporting as of December 31, 2016. In making this assessment, it used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in Internal Control—Integrated Framework (2013) (the “Framework”). Based on its assessment, management concluded that, as of December 31, 2016, the Company’s internal control over financial reporting was effective based on the Framework criteria.

The effectiveness of the Company’s internal control over financial reporting as of December 31, 2016 has been audited by PricewaterhouseCoopers Ltd., an independent registered public accounting firm, as stated in their report included in this filing.

Changes in Internal Control Over Financial Reporting

There have been no changes in internal control over financial reporting identified in connection with the Company’s evaluation required pursuant to Rules 13a-15 and 15d-15 promulgated under the Securities Exchange Act of 1934, as amended, that occurred during the most recent fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

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Item 9B.    Other Information

Disclosure of Certain Activities Under Section 13(r) of the Securities Exchange Act of 1934

Section 13(r) of the Securities Exchange Act of 1934, as amended, requires an issuer to disclose in its annual or quarterly reports whether it or an affiliate knowingly engaged in certain activities described in that section, including certain activities related to Iran during the period covered by the report.

Effective January 16, 2016, the Office of Foreign Assets Control of the U.S. Department of the Treasury adopted General License H which authorizes non-U.S. entities that are owned or controlled by a U.S. person to engage in certain activities with Iran so long as they comply with certain specific requirements set forth therein.

Certain of the Company’s non-U.S. subsidiaries provide global marine hull & war policies that provide coverage for vessels navigating into and out of ports worldwide. In light of EU and U.S. modifications to Iran sanctions this year, including the issuance of General License H, and consistent with General License H, the Company has been notified that certain of its policyholders have begun to ship cargo to and from Iran, including transporting crude oil from Iran to another country and transporting refined petroleum products to Iran. Since these policies insure multiple voyages and fleets containing multiple ships, the Company is unable to attribute gross revenues and net profits from such marine policies to these activities involving Iran. The Company intends for its non-U.S. subsidiaries to continue to provide such coverage to the extent permitted by applicable law.

Certain of the Company’s other non-U.S. subsidiaries have policies that provide excess of loss reinsurance coverage for various risks worldwide. In light of EU and U.S. modifications to Iran sanctions this year, including the issuance of General License H, and consistent with General License H, the Company has been notified that one of its cedants provides hull and marine, war and related coverage to a drilling contractor that operates drilling rigs located in offshore Iranian oilfields. As the reinsurance coverage provided to this cedant covers multiple global risks and multiple insureds, the Company is unable to attribute gross revenues and net profits from such policy to these activities involving Iran. The Company intends for its non-U.S. subsidiaries to continue to provide such coverage to the extent permitted by applicable law.

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PART III

Item 10.    Directors, Executive Officers and Corporate Governance

Certain of the information required by this item relating to the executive officers of the Company may be found in Part I, Item 1, “Business.” The balance of the information required by this item is omitted because a definitive proxy statement that involves the election of directors will be filed with the Securities and Exchange Commission not later than 120 days after the close of the fiscal year pursuant to Regulation 14A, which proxy statement is incorporated herein by reference.

Item 11.    Executive Compensation

This item is omitted because a definitive proxy statement that involves the election of directors will be filed with the Securities and Exchange Commission not later than 120 days after the close of the fiscal year pursuant to Regulation 14A, which proxy statement is incorporated herein by reference.

Item 12.    Security Ownership of Certain Beneficial Owners and Management and Related Shareholder Matters

Equity Compensation Plan Information

The following table displays certain information regarding our equity compensation plans at December 31, 2016:

(Dollars in thousands)	Number of Securities to be Issued Upon Exercise of Outstanding Options and Restricted Stock	Weighted-Average Exercise Price of Outstanding Options		Number of Securities Remaining Available for Future Issuance Under Equity compensation plans
2005 Amended and Restated Long-Term Incentive Plan	2,894,746	$	23.48	1,251,411
Director Stock Compensation Plan	—			52,104

The balance of the information required by this item is omitted because a definitive proxy statement that involves the election of directors will be filed with the Securities and Exchange Commission not later than 120 days after the close of the fiscal year pursuant to Regulation 14A, which proxy statement is incorporated herein by reference.

Item 13.    Certain Relationships and Related Transactions, and Director Independence

This item is omitted because a definitive proxy statement that involves the election of directors will be filed with the Securities and Exchange Commission not later than 120 days after the close of the fiscal year pursuant to Regulation 14A, which proxy statement is incorporated herein by reference.

Item 14.    Principal Accounting Fees and Services

This item is omitted because a definitive proxy statement that involves the election of directors will be filed with the Securities and Exchange Commission not later than 120 days after the close of the fiscal year pursuant to Regulation 14A, which proxy statement is incorporated herein by reference.

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PART IV

Item 15.    Exhibits and Financial Statement Schedules

Financial Statements, Financial Statement Schedules and Exhibits.

(a) Financial Statements and Financial Statement Schedules: See pages F-1 to F-99.

(b) The exhibits numbers followed by an asterisk (*) indicate exhibits physically filed with this Annual Report on Form 10-K. All other exhibit numbers indicate exhibits filed by incorporation by reference.

Exhibit Number	Description of Document
2.1	Stock Purchase Agreement, dated as of June 23, 2014, by and among Western World Insurance Group, Inc., the shareholders of Western World Insurance Group, Inc., Validus Specialty, Inc., Validus Holdings, Ltd. (solely for purposes of Article I, Section 5.08, Section 6.08, Section 9.03 and Article XI), and Andrew S. Frazier (in his capacity as the Sellers’ Representative) (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on June 27, 2014)
3.1	Memorandum of Association dated October 10, 2005 (Incorporated by reference from S-1 SEC File No. 333-139989)
3.2	Amended and Restated Bye-laws (Incorporated by reference from S-1 SEC File No. 333-139989)
4.1	Specimen Common Share Certificate (Incorporated by reference from S-1 SEC File No. 333-139989)
4.2	Certificate of Deposit of Memorandum of Increase of Share Capital dated October 28, 2005 (Incorporated by reference from S-1 SEC File No. 333-139989)
4.3	Specimen 5.875% Non-Cumulative Preference Shares, Series A (Incorporated by reference to Exhibit 4.2 from the Company’s Current Report on Form 8-K filed on June 13, 2016)
4.4	Certificate of Designations of 5.875% Non-Cumulative Preference Shares, Series A, of Validus Holdings, Ltd. (incorporated by reference from Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on June 13, 2016)
4.5	Form of depositary receipt (Incorporated by reference from Exhibit 4.4 to the Company’s Current Report on Form 8-K filed on June 13, 2016)
4.6	9.069% Junior Subordinated Deferrable Debentures Indenture dated as of June 15, 2006 (Incorporated by reference from S-1 SEC File No. 333-139989)
4.7	Form of 9.069% Junior Subordinated Deferrable Debentures (Included in Exhibit 4.5 hereto) (Incorporated by reference from S-1 SEC File No. 333-139989)
4.8	First Supplemental Indenture to the 9.069% Junior Subordinated Deferrable Debentures Indenture dated as of September 15, 2006 (Incorporated by reference from S-1 SEC File No. 333-139989)
4.9	8.480% Junior Subordinated Deferrable Debentures Indenture dated as of June 29, 2007 (Incorporated by reference from S-1 SEC File No. 333-139989)
4.10	Form of 8.480% Junior Subordinated Deferrable Debentures (Included in Exhibit 4.8 hereto) (Incorporated by reference from S-1 SEC File No. 333-139989)
4.11	Senior Note Indenture, by and between Validus Holdings, Ltd. and The Bank of New York Mellon, dated January 26, 2010 (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on January 26, 2010)
4.12	8.875% Senior Notes Supplemental Indenture, by and between Validus Holdings, Ltd. and The Bank of New York Mellon, dated January 26, 2010 (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on January 26, 2010)
4.13	Form of 8.875% Senior Note (Included in Exhibit 4.10 hereto) (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on January 26, 2010)
4.14	Junior Subordinated Indenture dated as of August 23, 2006, between Flagstone Reinsurance Holdings Limited and JP Morgan Chase Bank, National Association, as trustee (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)

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4.15	First Supplemental Indenture, dated as of May 17, 2010, among Flagstone Reinsurance Holdings, S.A., Flagstone Reinsurance Holdings Limited and The Bank of New York Mellon Trust Company, National Association, as trustee (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.16	Second Supplemental Indenture, dated as of November 30, 2012, among Flagstone Reinsurance Holdings (Bermuda) Limited, Flagstone Reinsurance Holding, S.A. and The Bank of New York Mellon Trust Company, National Association, as trustee (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.17	Third Supplemental Indenture, dated as of November 30, 2012, among Validus UPS, Ltd., Validus Holdings, Ltd. and The Bank of New York Mellon Trust Company, National Association, as trustee (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.18	Fourth Supplemental Indenture dated as of July 13, 2016 between Validus Reinsurance Ltd. and The Bank of New York Mellon Trust Company, National Association (as successor in interest to JPMorgan Chase Bank, National Association), as trustee (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed with the SEC on August 5, 2016)
4.19	Junior Subordinated Indenture, dated as of September 20, 2007, between Flagstone Reinsurance Holdings Limited and The Bank of New York Trust Company, National Association, as trustee (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.20	First Supplemental Indenture, dated as of May 17, 2010, among Flagstone Reinsurance Holdings, S.A., Flagstone Reinsurance Holdings Limited and The Bank of New York Mellon Trust Company, National Association, as trustee (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.21	Second Supplemental Indenture, dated as of November 30, 2012, among Flagstone Reinsurance Holdings (Bermuda) Limited, Flagstone Reinsurance Holdings, S.A. and The Bank of New York Mellon Trust Company, National Association, as trustee (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.22	Third Supplemental Indenture, dated as of November 30, 2012, among Flagstone Finance S.A., Validus UPS, Ltd., Validus Holdings, Ltd. and Wilmington Trust Company, as trustee (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.23	Fourth Supplemental Indenture dated as of July 13, 2016 between Validus Reinsurance Ltd. and The Bank of New York Mellon Trust Company, National Association (as successor in interest to The Bank of New York Trust Company, National Association), as trustee (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed with the SEC on August 5, 2016)
4.24	Junior Subordinated Indenture, dated as of June 8, 2007, among Flagstone Finance S.A., Flagstone Reinsurance Holdings Limited and Wilmington Trust Company, as trustee (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.25	First Supplemental Indenture, dated as of May 17, 2010, among Flagstone Finance S.A., Flagstone Reinsurance Holdings, S.A. and Wilmington Trust Company, as trustee (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.26	Second Supplemental Indenture, dated as of November 30, 2012, among Flagstone Finance S.A., Flagstone Reinsurance Holdings (Bermuda) Limited, Flagstone Reinsurance Holdings, S.A. and Wilmington Trust Company, as trustee (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.27	Third Supplemental Indenture, dated as of November 30, 2012, among Flagstone Finance S.A, Validus UPS, Ltd., Validus Holdings, Ltd. and Wilmington Trust Company, as trustee (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.28	Fourth Supplemental Indenture dated as of July 12, 2016 between Validus UPS, Ltd. and Wilmington Trust Company, a Delaware trust company, as trustee (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed with the SEC on August 5, 2016)
4.29	Fifth Supplemental Indenture dated as of July 13, 2016 between Validus Reinsurance, Ltd. and Wilmington Trust Company, a Delaware trust company, as trustee (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed with the SEC on August 5, 2016)
4.30	Note Purchase Agreement, dated as of August 23, 2006, between Flagstone Reinsurance Holdings Limited and Merrill Lynch International (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)

121

4.31		Amendment No. 1, dated as of November 30, 2012, to the Note Purchase Agreement, among Flagstone Reinsurance Holding (Bermuda) Limited and the noteholders named therein (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.32		Amendment No. 2, dated as of November 30, 2012, to the Note Purchase Agreement, among Validus UPS, Ltd., Validus Holdings, Ltd. and the noteholders named therein (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012)
4.33		Amendment No. 3 to Note Purchase Agreement dated as of July 13, 2016 between Validus Reinsurance, Ltd. and Validus Holdings, Ltd. as Guarantor and the noteholders named therein (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed with the SEC on August 5, 2016)
10.1		Five-Year Unsecured Revolving Credit and Letter of Credit Facility, dated as of December 9, 2015, among Validus Holdings, Ltd., Validus Reinsurance, Ltd., the Lenders party thereto, JPMorgan Chase Bank, N.A., as administrative agent for the Lenders and Lloyds Securities Inc., as syndication agent (Incorporated by reference from the Company’s Current Report on Form 8-K filed on December 10, 2015)
10.2		Five-Year Secured Letter of Credit Facility, dated as of December 9, 2015, among Validus Holdings, Ltd., Validus Reinsurance, Ltd., the Lenders party thereto, JPMorgan Chase Bank, N.A., as administrative agent for the Lenders and Lloyds Securities Inc., as syndication agent (Incorporated by reference from the Company’s Current Report on Form 8-K filed on December 10, 2015)
10.3		Amended and Restated Employment Agreement between Validus Holdings, Ltd. and Lixin Zeng dated as of November 1, 2012 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q for the period ended September 30, 2012 filed with the SEC on November 6. 2012)
10.3.1		Amendment No.1 to Amended and Restated Employment Agreement between Validus Holdings, Ltd. and Lixin Zeng dated as of March 12, 2015 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed on May 8, 2015)
10.4		Amended and Restated Employment Agreement dated as of February 15, 2013 between Validus Holdings, Ltd. and Jeffrey D. Sangster (Incorporated by reference from the Company’s Annual Report on Form 10-K for year ended December 31, 2012, filed with the SEC on February 15, 2013).
10.4.1		Amendment to No. 1 to Amended and Restated Employment Agreement between Jeffrey D. Sangster and Validus Holdings, Ltd. dated as of March 12, 2015 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed on May 8, 2015)
10.5		Amended and Restated Employment Agreement between Validus Holdings, Ltd. and Edward J. Noonan (Incorporated by reference from S-1 SEC File No. 333-139989)
10.5.1		Amendment No.1 to Amended and Restated Employment Agreement between Validus Holdings, Ltd. and Edward J. Noonan (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q for the period ended September 30, 2008, filed with the SEC on November 13, 2008)
10.5.2		Amendment No. 2 to Amended and Restated Employment Agreement between Edward J. Noonan and Validus Holdings, Ltd. dated as of March 12, 2015 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed on May 8, 2015)
10.6		Employment Agreement dated as of September 1, 2010 between Validus Holdings, Ltd. and Jonathan P. Ritz. (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on September 8, 2010)
10.6.1		Amendment No. 1 to Employment Agreement between Validus Holdings, Ltd. and Jonathan P. Ritz dated as of October 1, 2010 (Incorporated by reference from the Company’s Annual Report on Form 10-K for the year ended December 31, 2010, filed with the SEC on February 18, 2011)
10.6.2		Amendment No. 2 to Employment Agreement between Jonathan P. Ritz and Validus America, Inc. dated as of March 12, 2015 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed on May 8, 2015)
10.6.3	*	Amendment No. 3 to Employment Agreement between Validus America, Inc. and Jonathan P. Ritz dated as of November 3, 2016
10.7	*	Employment Agreement between Talbot Underwriting Services Ltd. and Peter A. Bilsby dated as of March 19, 2013 (as amended on March 1, 2016)
10.8		Amended and Restated Employment Agreement between Validus Holdings, Ltd. and Robert F. Kuzloski dated as of April 1, 2011 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q for the period ended September 30, 2011, filed with the SEC on November 4, 2011)

122

10.8.1	Amendment No. 1 to Amended and Restated Employment Agreement between Validus Holdings, Ltd. and Robert F. Kuzloski dated as of August 1, 2012 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q for the period ended September 30, 2012 filed with the SEC on November 6, 2012)
10.8.2	Amendment No. 2 to Amended and Restated Employment Agreement between Robert F. Kuzloski and Validus Holdings, Ltd. dated as of March 12, 2015 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed on May 8, 2015)
10.9	Employment Agreement between Validus Holdings, Ltd. and Andrew Kudera dated as of February 2, 2010 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q for the period ended September 30, 2011, filed with the SEC on November 4, 2011)
10.9.1	Amendment No. 1 to Employment Agreement between Andrew E. Kudera and Validus Holdings, Ltd. dated as of March 12, 2015 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed on May 8, 2015)
10.10	Employment Agreement dated October 25 2012 between Validus America, Inc. and for purposes of Section 12.04, countersigned by Validus Holdings, Ltd. and John J. Hendrickson (Incorporated by reference from the Company’s Annual Report on Form 10-K for year ended December 31, 2012, filed with the SEC on February 15, 2013)
10.10.1	Amendment No. 1 to Employment Agreement between John J. Hendrickson and Validus America, Inc. dated as of March 12, 2015 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed on May 8, 2015)
10.11	Employment Agreement dated as of April 2, 2013 between Validus America, Inc. and Romel Salam (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q for the period ended March 31, 2013 filed with the SEC on May 6, 2013)
10.11.1	Amendment No. 1 to Employment Agreement between Validus America, Inc. and Romel Salam dated as of May 20, 2014 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q for the period ended June 30, 2014 filed with the SEC on August 7, 2014)
10.11.2	Amendment No. 2 to Employment Agreement between Romel Salam and Validus America, Inc. dated as of March 12, 2015 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed on May 8, 2015)
10.12	Amended and Restated Employment Agreement dated as of April 30, 2013 between Validus Services (Bermuda), Ltd. and Kean Driscoll (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q for the period ended March 31, 2013 filed with the SEC on May 6, 2013)
10.12.1	Amendment No. 1 to Amended and Restated Employment Agreement between Kean Driscoll and Validus Services (Bermuda) Ltd. dated as of March 12, 2015 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed on May 8, 2015)
10.13	Amended and Restated Employment Agreement dated as of June 1, 2016, between Validus Holdings, Ltd. and Michael Moore (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed with the SEC on August 5, 2016)
10.14	Amended and Restated Employment Agreement between Validus Holdings, Ltd. and Patrick Boisvert dated as of May 18, 2016 (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed with the SEC on August 5, 2016)
10.15	Amended and Restated Validus Holdings, Ltd. 2005 Long Term Incentive Plan (As Amended and Restated Effective May 7, 2015) (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed on November 6, 2015)
10.16	Form of Amended Post-IPO Restricted Share Award Agreement for Validus Executive Officers (Incorporated by reference from the Company’s Annual Report on Form 10-K for the year ended December 31, 2010, filed with the SEC on February 18, 2011)
10.17	Form of Amended Restricted Share Agreement for Talbot Executive Officers (Incorporated by reference from the Company’s Annual Report on Form 10-K for the year ended December 31, 2010, filed with the SEC on February 18, 2011)
10.18	Amended and Restated Restricted Share Agreement between Validus Holdings, Ltd. and Edward J. Noonan (Incorporated by reference from S-1 SEC File No. 333-139989)
10.19	Stock Option Agreement between Validus Holdings, Ltd. and Edward J. Noonan (Incorporated by reference from S-1 SEC File No. 333-139989)

123

10.20		Form of Stock Option Agreement for Executive Officers commencing in 2008 (Incorporated by reference from the Company’s Annual Report on Form 10-K for the year ended December 31, 2007, filed with the SEC on March 6, 2008)
10.21		Form of Performance Share Award Agreement for Validus Executive Officers (Incorporated by reference from the Company’s Annual Report on Form 10-K for the year ended December 31, 2010, filed with the SEC on February 18, 2011)
10.22		Form of Performance Share Award Agreement for Talbot Executive Officers (Incorporated by reference from the Company’s Annual Report on Form 10-K for the year ended December 31, 2010, filed with the SEC on February 18, 2011)
10.23		Nonqualified Supplemental Deferred Compensation Plan (Incorporated by reference from S-1 SEC File No. 333-139989)
10.24		Validus Holdings, Ltd. Director Stock Compensation Plan (Incorporated by reference from S-1 SEC File No. 333-139989)
10.25		Amendment No. 1 to Validus Holdings, Ltd. Directors Stock Compensation Plan dated as of January 5, 2009 (Incorporated by reference from the Company’s Annual Report on Form 10-K for the year ended December 31, 2008 filed with the SEC on February 27, 2009)
10.26		Subscription Agreement dated as of November 7, 2014 between Aquiline Capital Partners III GP (Offshore) Ltd. and Validus Reinsurance, Ltd. (Incorporated by reference from the Company’s Current Report on Form 8-K filed with the SEC on November 7, 2014)
10.27		Form of Amended Restricted Share Award Agreement for Talbot Executive Officers (Incorporated by reference from the Company’s Quarterly Report on Form 10-Q filed with the SEC on August 5, 2016)
12	*	Ratio of Earnings to Fixed Charges and Preferred Dividends
21	*	Subsidiaries of the Registrant
23	*	Consent of PricewaterhouseCoopers Ltd.
24		Power of attorney (Incorporated by Reference from signature page)
31	*	Rule 13a-14(a)/15d-14(a) Certifications
32	*	Section 1350 Certification
101.INS	*	XBRL Instance Document
101.SCH	*	XBRL Taxonomy Extension Schema Document
101.CAL	*	XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB	*	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	*	XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF	*	XBRL Taxonomy Extension Definition Linkbase Document

*Filed herewith

124

Item 16.    Form 10-K Summary

None.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Annual Report on Form 10-K to be signed on its behalf by the undersigned, thereunto duly authorized, in Pembroke, Bermuda, on February 23, 2017.

Validus Holdings, Ltd.
By:	/s/ EDWARD J. NOONAN
	Name:	Edward J. Noonan
	Title:	Chief Executive Officer
By:	/s/ JEFFREY D. SANGSTER
	Name:	Jeffrey D. Sangster
	Title:	Executive Vice President and Chief Financial Officer

125

POWER OF ATTORNEY

We, the undersigned directors and executive officers of Validus Holdings, Ltd. hereby severally constitute Edward J. Noonan and Jeffrey D. Sangster, and each of them singly, our true and lawful attorneys with full power to them and each of them to sign for us, and in our names in the capacities indicated below, any and all amendments to the Annual Report on Form 10-K filed with the Securities and Exchange Commission, hereby ratifying and confirming our signatures as they may be signed by our said attorneys to any and all amendments to said Annual Report on Form 10-K.

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this Annual Report on Form 10-K has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.

Signature	Title	Date
/s/ EDWARD J. NOONAN	Chairman of the Board of Directors	February 23, 2017
Name: Edward J. Noonan	and Chief Executive Officer (Principal Executive Officer)
/s/ JEFFREY D. SANGSTER	Executive Vice President	February 23, 2017
Name: Jeffrey D. Sangster	and Chief Financial Officer (Principal Finance Officer)
/s/ PATRICK BOISVERT	Executive Vice President	February 23, 2017
Name: Patrick Boisvert	and Chief Accounting Officer (Principal Accounting Officer)
/s/ MAHMOUD ABDALLAH	Director	February 23, 2017
Name: Mahmoud Abdallah
/s/ MICHAEL E. A. CARPENTER	Director	February 23, 2017
Name: Michael E. A. Carpenter
/s/ MATTHEW J. GRAYSON	Director	February 23, 2017
Name: Matthew J. Grayson
/s/ JOHN J. HENDRICKSON	Director	February 23, 2017
Name: John J. Hendrickson
/s/ MANDAKINI PURI	Director	February 23, 2017
Name: Mandakini Puri
/s/ GAIL ROSS	Director	February 23, 2017
Name: Gail Ross
/s/ DR. THERESE M. (TERRI) VAUGHAN	Director	February 23, 2017
Name: Dr. Therese M. (Terri) Vaughan

126

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

AND FINANCIAL STATEMENT SCHEDULES

	Page No.
Consolidated Financial Statements:
Report of Independent Registered Public Accounting Firm	128
Consolidated Balance Sheets as at December 31, 2016 and 2015	F-1
Consolidated Statements of Income and Comprehensive Income for the Years Ended December 31, 2016, 2015 and 2014	F-2
Consolidated Statements of Shareholders' Equity for the Years Ended December 31, 2016, 2015 and 2014	F-3
Consolidated Statements of Cash Flow for the Years Ended December 31, 2016, 2015 and 2014	F-4
Notes to Consolidated Financial Statements	F-5
Note 1 - Nature of the business	F-5
Note 2 - Basis of preparation and consolidation	F-5
Note 3 - Significant accounting policies	F-6
Note 4 - Recent accounting pronouncements	F-11
Note 5 - Business combinations	F-15
Note 6 - Goodwill and other intangible assets	F-17
Note 7 - Investments	F-19
Note 8 - Fair value measurements	F-26
Note 9 - Variable interest entities	F-34
Note 10 - Noncontrolling interests	F-36
Note 11 - Investment in operating affiliate	F-37
Note 12 - Derivative instruments	F-37
Note 13 - Premiums receivable	F-39
Note 14 - Reserve for losses and loss expenses	F-40
Note 15 - Accounts payable and accrued expenses	F-52
Note 16 - Reinsurance	F-53
Note 17 - Share capital	F-55
Note 18 - Stock plans	F-57
Note 19 - Retirement and pension plans	F-61
Note 20 - Debt and financing arrangements	F-64
Note 21 - Income taxes	F-68
Note 22 - Accumulated other comprehensive loss	F-72
Note 23 - Commitments and contingencies	F-73
Note 24 - Related party transactions	F-75
Note 25 - Earnings per share	F-76
Note 26 - Segment information	F-77
Note 27 - Statutory and regulatory requirements	F-88
Note 28 - Subsequent events	F-90
Note 29 - Unaudited quarterly financial data	F-91
Financial Statement Schedules:
I. Summary of Investments Other than Investments in Related Parties	F-93
II. Condensed Financial Information of Registrant	F-94
III. Supplementary Insurance Information	F-97
IV. Reinsurance	F-98
VI. Supplemental Information Concerning Property/Casualty Insurance Operations	F-99

Schedules other than those listed are omitted for the reason that they are not required, are not applicable or that equivalent information has been included in the financial statements, notes thereto, or elsewhere herein.

127

Report of Independent Registered Public Accounting Firm

To the Board of Directors and Shareholders of

Validus Holdings, Ltd.

In our opinion, the consolidated financial statements listed in the accompanying index present fairly, in all material respects, the financial position of Validus Holdings, Ltd. and its subsidiaries at December 31, 2016 and December 31, 2015, and the results of their operations and their cash flows for each of the three years in the period ended December 31, 2016 in conformity with accounting principles generally accepted in the United States of America. In addition, in our opinion, the financial statement schedules listed in the accompanying index present fairly, in all material respects, the information set forth therein when read in conjunction with the related consolidated financial statements. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2016, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). The Company’s management is responsible for these financial statements and financial statement schedules, for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in Management’s Report on Internal Control Over Financial Reporting appearing under Item 9A. Our responsibility is to express opinions on these financial statements, on the financial statement schedules, and on the Company’s internal control over financial reporting based on our integrated audits. We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatement and whether effective internal control over financial reporting was maintained in all material respects. Our audits of the financial statements included examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ PricewaterhouseCoopers Ltd.

Hamilton, Bermuda

February 23, 2017

128

PART I. FINANCIAL INFORMATION

ITEM I. FINANCIAL STATEMENTS

Validus Holdings, Ltd.

Consolidated Balance Sheets

As at December 31, 2016 and 2015

(Expressed in thousands of U.S. dollars, except share and per share information)

	December 31, 2016			December 31, 2015
Assets
Fixed maturities trading, at fair value (amortized cost: 2016—$5,584,599; 2015—$5,556,900)	$	5,543,030		$	5,510,331
Short-term investments trading, at fair value (amortized cost: 2016—$2,796,358; 2015—$1,941,615)	2,796,170			1,941,635
Other investments, at fair value (cost: 2016—$380,130; 2015—$315,963)	405,712			336,856
Investments in investment affiliates, equity method (cost: 2016—$84,840; 2015—$69,794)	100,431			87,673
Cash and cash equivalents	419,976			723,109
Restricted cash	70,956			73,270
Total investments and cash	9,336,275			8,672,874
Investment in operating affiliate, equity method (cost: 2016—$nil; 2015—$392)	—			392
Premiums receivable	725,390			658,682
Deferred acquisition costs	209,227			181,002
Prepaid reinsurance premiums	77,996			77,992
Securities lending collateral	9,779			4,863
Loss reserves recoverable	430,421			350,586
Paid losses recoverable	35,247			23,071
Income taxes recoverable	4,870			16,228
Deferred tax asset	43,529			21,661
Receivable for investments sold	3,901			39,766
Intangible assets	115,592			121,258
Goodwill	196,758			196,758
Accrued investment income	26,488			23,897
Other assets	134,282			126,782
Total assets	$	11,349,755		$	10,515,812
Liabilities
Reserve for losses and loss expenses	$	2,995,195		$	2,996,567
Unearned premiums	1,076,049			966,210
Reinsurance balances payable	54,781			75,380
Securities lending payable	10,245			5,329
Deferred tax liability	3,331			3,847
Payable for investments purchased	29,447			77,475
Accounts payable and accrued expenses	587,648			627,331
Notes payable to AlphaCat investors	278,202			75,493
Senior notes payable	245,362			245,161
Debentures payable	537,226			537,668
Total liabilities	5,817,486			5,610,461
Commitments and contingent liabilities
Redeemable noncontrolling interests	1,528,001			1,111,714
Shareholders’ equity
Preferred shares (Issued and Outstanding: 2016—6,000; 2015—nil)	150,000			—
Common shares (Issued: 2016—161,279,976; 2015—160,570,772; Outstanding: 2016—79,132,252; 2015—82,900,617)	28,224			28,100
Treasury shares (2016—82,147,724; 2015—77,670,155)	(14,376		)	(13,592		)
Additional paid-in capital	821,023			1,002,980
Accumulated other comprehensive loss	(23,216		)	(12,569		)
Retained earnings	2,876,636			2,634,056
Total shareholders’ equity available to Validus	3,838,291			3,638,975
Noncontrolling interests	165,977			154,662
Total shareholders’ equity	4,004,268			3,793,637
Total liabilities, noncontrolling interests and shareholders’ equity	$	11,349,755		$	10,515,812

The accompanying notes are an integral part of these Consolidated Financial Statements.

F-1

Validus Holdings, Ltd.

Consolidated Statements of Income and Comprehensive Income

For the Years Ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars, except share and per share information)

	December 31, 2016			December 31, 2015			December 31, 2014
Revenues
Gross premiums written	$	2,648,705		$	2,557,506		$	2,358,865
Reinsurance premiums ceded	(289,705		)	(328,681		)	(313,208		)
Net premiums written	2,359,000			2,228,825			2,045,657
Change in unearned premiums	(109,835		)	18,064			(52,602		)
Net premiums earned	2,249,165			2,246,889			1,993,055
Net investment income	150,385			127,824			100,086
Net realized gains on investments	15,757			2,298			14,917
Change in net unrealized gains (losses) on investments	16,871			(32,395		)	(2,842		)
(Loss) income from investment affiliates	(2,083		)	4,281			8,411
Other insurance related income and other income	2,195			5,111			1,229
Foreign exchange gains (losses)	10,864			(8,731		)	(12,181		)
Total revenues	2,443,154			2,345,277			2,102,675
Expenses
Losses and loss expenses	1,065,097			977,833			765,015
Policy acquisition costs	449,482			410,058			339,467
General and administrative expenses	336,294			363,709			329,362
Share compensation expenses	42,907			38,341			33,073
Finance expenses	58,520			74,742			68,324
Transaction expenses	—			—			8,096
Total expenses	1,952,300			1,864,683			1,543,337
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors	490,854			480,594			559,338
Tax benefit (expense)	19,729			(6,376		)	(155		)
Loss from operating affiliate	(23		)	(3,949		)	(4,340		)
(Income) attributable to AlphaCat investors	(23,358		)	(2,412		)	—
Net income	487,202			467,857			554,843
Net (income) attributable to noncontrolling interests	(123,363		)	(92,964		)	(74,880		)
Net income available to Validus	363,839			374,893			479,963
Dividends on preferred shares	(4,455		)	—			—
Net income available to Validus common shareholders	$	359,384		$	374,893		$	479,963
Comprehensive income:
Net income	$	487,202		$	467,857		$	554,843
Other comprehensive (loss) income:
Change in foreign currency translation adjustments	(10,440		)	(3,716		)	(7,501		)
Change in minimum pension liability, net of tax	(484		)	544			(210		)
Change in fair value of cash flow hedge	277			(841		)	(228		)
Other comprehensive (loss), net of tax	(10,647		)	(4,013		)	(7,939		)
Comprehensive (income) attributable to noncontrolling interests	(123,363		)	(92,964		)	(74,880		)
Comprehensive income available to Validus	$	353,192		$	370,880		$	472,024
Earnings per share
Basic earnings per share available to Validus common shareholders	$	4.43		$	4.47		$	5.24
Earnings per diluted share available to Validus common shareholders	$	4.36		$	4.34		$	5.07
Cash dividends declared per common share	$	1.40		$	1.28		$	1.20
Weighted average number of common shares and common share equivalents outstanding:
Basic	81,041,974			83,107,236			90,354,745
Diluted	82,359,460			86,426,760			94,690,271

The accompanying notes are an integral part of these Consolidated Financial Statements.

F-2

Validus Holdings, Ltd.

Consolidated Statements of Shareholders’ Equity

For the Years Ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars)

	December 31, 2016			December 31, 2015			December 31, 2014
Preferred shares
Balance - beginning of year	$	—		$	—		$	—
Preferred shares issued	150,000			—			—
Balance - end of year	$	150,000		$	—		$	—
Common shares
Balance - beginning of year	$	28,100		$	27,222		$	27,036
Common shares issued, net	124			878			186
Balance - end of year	$	28,224		$	28,100		$	27,222
Treasury shares
Balance - beginning of year	$	(13,592	)	$	(12,545	)	$	(10,228	)
Repurchase of common shares	(784		)	(1,047		)	(2,317		)
Balance - end of year	$	(14,376	)	$	(13,592	)	$	(12,545	)
Additional paid-in capital
Balance - beginning of year	$	1,002,980		$	1,207,493		$	1,677,894
Offering expenses on preferred shares	(5,148		)	—			—
Common shares (redeemed) issued, net	(7,825		)	16,529			5,161
Repurchase of common shares	(211,891		)	(259,383		)	(508,635		)
Share compensation expenses	42,907			38,341			33,073
Balance - end of year	$	821,023		$	1,002,980		$	1,207,493
Accumulated other comprehensive loss
Balance - beginning of year	$	(12,569	)	$	(8,556	)	$	(617	)
Other comprehensive loss	(10,647		)	(4,013		)	(7,939		)
Balance - end of year	$	(23,216	)	$	(12,569	)	$	(8,556	)
Retained earnings
Balance - beginning of year	$	2,634,056		$	2,372,972		$	2,010,009
Net income	487,202			467,857			554,843
Net (income) attributable to noncontrolling interests	(123,363		)	(92,964		)	(74,880		)
Dividends on common shares	(116,804		)	(113,809		)	(117,000		)
Dividends on preferred shares	(4,455		)	—			—
Balance - end of year	$	2,876,636		$	2,634,056		$	2,372,972
Total shareholders’ equity available to Validus	$	3,838,291		$	3,638,975		$	3,586,586
Noncontrolling interests	$	165,977		$	154,662		$	292,274
Total shareholders’ equity	$	4,004,268		$	3,793,637		$	3,878,860

The accompanying notes are an integral part of these Consolidated Financial Statements.

F-3

Validus Holdings, Ltd.

Consolidated Statements of Cash Flows

For the Years Ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars)

	December 31, 2016			December 31, 2015			December 31, 2014
Cash flows provided by (used in) operating activities
Net income	$	487,202		$	467,857		$	554,843
Adjustments to reconcile net income to cash provided by operating activities:
Share compensation expenses	42,907			38,341			33,073
Gain on sale of subsidiary	—			—			(709		)
Amortization of discount on senior notes	108			108			108
Loss (income) from investment and operating affiliates	2,106			(332		)	(4,071		)
Net realized and change in net unrealized (gains) losses on investments	(32,628		)	30,097			(12,075		)
Amortization of intangible assets	5,666			5,666			4,538
Foreign exchange losses included in net income	3,043			18,907			23,591
Amortization of premium on fixed maturity investments	17,961			23,075			19,107
Change in operational balance sheet items:
Premiums receivable	(76,659		)	44,154			22,034
Deferred acquisition costs	(28,225		)	(19,980		)	(27,131		)
Prepaid reinsurance premiums	(4		)	4,955			34,443
Loss reserves recoverable	(85,264		)	24,659			81,824
Paid losses recoverable	(11,932		)	15,111			43,580
Reserve for losses and loss expenses	37,042			(231,345		)	(404,280		)
Unearned premiums	109,839			(23,019		)	18,161
Reinsurance balances payable	(18,487		)	(52,785		)	(32,262		)
Other operational balance sheet items, net	(42,472		)	(10,963		)	(14,613		)
Net cash provided by operating activities	410,203			334,506			340,161
Cash flows provided by (used in) investing activities
Proceeds on sales of fixed maturity investments	2,671,226			3,842,408			4,756,555
Proceeds on maturities of fixed maturity investments	349,722			332,410			554,619
Purchases of fixed maturity investments	(3,074,703		)	(4,225,031		)	(4,391,814		)
Purchases of short-term investments, net	(856,021		)	(436,690		)	(329,301		)
Purchases of other investments, net	(64,943		)	(5,988		)	(143,597		)
(Increase) decrease in securities lending collateral	(4,916		)	(4,393		)	2,922
Distributions from operating affiliates	369			46,603			—
Investments in investment affiliates, net	(14,841		)	(19,886		)	(12,468		)
Decrease in restricted cash	2,314			99,733			27,489
Proceeds on sale of subsidiary, net of cash	—			—			16,459
Purchase of subsidiary, net of cash	—			—			(643,545		)
Net cash used in investing activities	(991,793		)	(370,834		)	(162,681		)
Cash flows provided by (used in) financing activities
Net proceeds on issuance of notes payable to AlphaCat investors	296,325			75,493			—
Net proceeds on issuance of preferred shares	144,852			—			—
(Redemption) issuance of common shares, net	(7,701		)	17,407			5,347
Purchases of common shares under share repurchase program	(212,675		)	(260,430		)	(510,952		)
Dividends paid on preferred shares	(4,455		)	—			—
Dividends paid on common shares	(115,625		)	(112,967		)	(117,043		)
Increase (decrease) in securities lending payable	4,916			4,393			(2,922		)
Third party investments in redeemable noncontrolling interests	393,450			499,200			300,200
Third party redemptions of redeemable noncontrolling interests	(17,285		)	(86,933		)	(13,192		)
Third party investments in noncontrolling interests	171,674			9,600			117,243
Third party distributions of noncontrolling interests	(127,103		)	(168,758		)	(237,183		)
Third party subscriptions (deployed) received on AlphaCat Funds and Sidecars	(225,284		)	249,636			127,400
Net cash provided by (used in) financing activities	301,089			226,641			(331,102		)
Effect of foreign currency rate changes on cash and cash equivalents	(22,632		)	(17,605		)	(25,310		)
Net (decrease) increase in cash and cash equivalents	(303,133		)	172,708			(178,932		)
Cash and cash equivalents—beginning of year	723,109			550,401			729,333
Cash and cash equivalents—end of year	$	419,976		$	723,109		$	550,401
Supplemental disclosure of cash flow information:
Taxes paid during the year	$	6,034		$	16,050		$	42,689
Interest paid during the year	$	54,638		$	55,047		$	54,526

The accompanying notes are an integral part of these Consolidated Financial Statements.

F-4

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

1. Nature of the business

Validus Holdings, Ltd. (together with its wholly and majority owned subsidiaries, the “Company”) was incorporated under the laws of Bermuda on October 19, 2005. The Company provides reinsurance coverage, insurance coverage and insurance linked securities (“ILS”) management through four distinct global operating segments, Validus Re, Talbot, Western World, and AlphaCat. Validus Re is a global reinsurance segment focused primarily on treaty reinsurance. Talbot is a specialty insurance segment, primarily operating within the Lloyd’s insurance market through Syndicate 1183. Western World is a U.S. based specialty excess and surplus lines insurance segment operating within the U.S. commercial market. AlphaCat is a Bermuda based investment adviser, managing capital for third parties and the Company in ILS and other property catastrophe and specialty reinsurance investments.

2. Basis of preparation and consolidation

These Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”). The Company consolidates in these Consolidated Financial Statements the results of operations and financial position of all voting interest entities (“VOE”) in which the Company has a controlling financial interest and all variable interest entities (“VIE”) in which the Company is considered to be the primary beneficiary. The consolidation assessment, including the determination as to whether an entity qualifies as a VIE or VOE, depends on the facts and circumstances surrounding each entity.

All significant intercompany accounts and transactions have been eliminated.

The preparation of these financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. While management believes that the amounts included in the Consolidated Financial Statements reflect its best estimates and assumptions, actual results could differ from those estimates. The Company’s principal estimates include:

•reserve for losses and loss expenses;

•premium estimates for business written on a line slip or proportional basis;

•the valuation of goodwill and intangible assets;

•reinsurance recoverable balances including the provision for uncollectible amounts; and

•investment valuation of financial assets.

The term “ASC” used in these notes refers to Accounting Standard Codification issued by the United States Financial Accounting Standards Board (the “FASB”).

F-5

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

3. Significant accounting policies

The following is a summary of significant accounting policies adopted by the Company.

(a) Premiums

Insurance premiums written are recorded in accordance with the terms of underlying policies. Reinsurance premiums written are recorded at the inception of the policy and are estimated based on information received from brokers, ceding companies and reinsureds, and any subsequent differences arising on such estimates will be recorded in the periods in which they are determined. Premiums written are earned on a pro-rated basis over the term of the policy. For contracts and policies written on a losses occurring basis, the risk period is generally the same as the contract or policy terms. For contracts written on a risks attaching basis, the risk period is based on the terms of the underlying contracts and policies and is generally assumed to be 24 months. The portion of the premiums written applicable to the unexpired terms of the underlying contracts and policies in force is recorded as unearned premiums.

Reinstatement premiums are recorded at the time a loss event occurs and coverage limits for the remaining life of the contract are reinstated under predefined contract terms. The accrual of reinstatement premiums is based on our estimate of losses and loss expenses, which reflects management’s judgment, as described in Note 3(c), “Reserve for losses and loss expenses” below.

(b) Policy acquisition costs

Policy acquisition costs are costs that vary with, and are directly related to, the successful production of new and renewal business, and consist principally of commissions and brokerage expenses. Acquisition costs are shown net of commissions earned on reinsurance ceded. These costs are deferred and amortized over the periods in which the related premiums are earned. Deferred acquisition costs are limited to their estimated realizable value based on the related unearned premiums and anticipated claims expenses. The realizable value of the Company’s deferred acquisition costs is determined without consideration of investment income. Policy acquisition costs also include profit commissions. Profit commissions are recognized on a basis consistent with our estimate of losses and loss expenses.

(c) Reserve for losses and loss expenses

The reserve for losses and loss expenses includes reserves for unpaid reported losses (“case reserves”) and for losses incurred but not reported (“IBNR”). Case reserves are established by management based on reports from brokers, ceding companies and insureds and represents the estimated ultimate cost of events or conditions that have been reported to, or specifically identified by, the Company. IBNR reserves are established by management based on actuarially determined estimates of ultimate losses and loss expenses. Inherent in the estimate of ultimate losses and loss expenses are expected trends in claim severity and frequency and other factors which may vary significantly as claims are settled. Accordingly, ultimate losses and loss expenses may differ materially from the amounts recorded in the Consolidated Financial Statements. These estimates are reviewed regularly and, as experience develops and new information becomes known, the reserves are adjusted as necessary. Such adjustments, if any, will be recorded in earnings in the period in which they become known. Prior period development arises from changes to these estimates recognized in the current year that relate to reserves for losses and loss expenses established in previous calendar years.

(d) Reinsurance

In the normal course of business, the Company seeks to reduce the potential amount of loss arising from claims events by reinsuring certain levels of risk assumed in various areas of exposure with other insurers or reinsurers. The accounting for reinsurance ceded depends on the method of reinsurance. If the policy is on a “losses occurring” basis, reinsurance premiums ceded are expensed (and any commissions thereon are earned) on a pro-rata basis over the period the reinsurance coverage is provided. If the policy is a “risks attaching” policy, reinsurance premiums ceded are expensed (and any commissions thereon are earned) in line with the earning of the gross premiums to which the risk attaching policy relates. Prepaid reinsurance premiums represent the portion of premiums ceded applicable to the unexpired term of policies in force. Mandatory reinstatement premiums ceded are recorded at the time the loss event occurs. Reinsurance recoverables are based on contracts in force at the time of the underlying loss event. The method for determining the reinsurance recoverable on unpaid losses and loss expenses involves the actuarial estimates of unpaid losses and loss expenses as well as a determination of the Company’s ability to cede unpaid losses and loss expenses under its reinsurance treaties. The use of different assumptions could have a material effect on the provision for uncollectible reinsurance. To the extent the creditworthiness of the Company’s reinsurers was to deteriorate due to adverse events affecting the reinsurance industry, such as a large number of major catastrophes, actual uncollectible amounts could be significantly greater than the Company’s provision. Amounts recoverable from reinsurers are estimated in a manner consistent with the underlying liabilities.

F-6

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(e) Investments

The Company classifies its fixed maturity and short-term investments as trading and accounts for its other investments in accordance with ASC Topic 825 “Financial Instruments.” As such, all investments are carried at fair value with interest and dividend income and realized and unrealized gains and losses included in net income for the year.

All investment transactions are recorded on a first-in-first-out basis and realized gains and losses on the sale of investments are determined on the basis of amortized cost (or cost). Interest on fixed maturity securities is recorded in net investment income when earned and includes amortization of premium or accretion of discount.

For mortgage-backed securities, and any other holdings for which there is a prepayment risk, prepayment assumptions are evaluated and revised as necessary. Any adjustments required due to the resultant change in effective yields and maturities are recognized retrospectively. Prepayment fees or call premiums that are only payable to the Company when a security is called prior to its maturity, are earned when received and reflected in net investment income.

Short-term investments primarily comprise of investments with a remaining maturity of less than one year at time of purchase and money market funds held at the Company’s investment managers. Certain short-term investments relate to funds held in trust in support of collateralized reinsurance transactions.

Restricted cash primarily relates to funds held in trust for support of collateralized reinsurance transactions.

The fair value of other investments is generally recorded on the basis of the net asset valuation criteria established by the managers of the investments, normally based upon the governing documents of such investments. In addition, due to a lag in reporting, some of the fund managers, fund administrators, or both, are unable to provide final fund valuations as of the Company’s reporting date. In these circumstances, the Company estimates the fair value of these funds by starting with the prior month’s or prior quarter’s fund valuation, adjusting these valuations for capital calls, redemptions or distributions and the impact of changes in foreign currency exchange rates, and then estimating the return for the current period. In circumstances in which the Company estimates the return for the current period, it uses all credible information available. This includes utilizing preliminary estimates reported by its fund managers, obtaining the valuation of underlying portfolio investments where such underlying investments are publicly traded and therefore have a readily observable price, using information that is available to the Company with respect to the underlying investments, reviewing various indices for similar investments or asset classes, as well as estimating returns based on the results of similar types of investments for which the Company has reported results, or other valuation methods, as necessary. Actual final fund valuations may differ, perhaps materially so, from the Company’s estimates and these differences are recorded in the period they become known as a change in estimate.

Investments in which the Company has significant influence over the operating and financial policies of the investee are accounted for under the equity method of accounting. Under this method, the Company records its proportionate share of income or loss from such investments in its results for the period.

(f) Fair value of financial instruments

Fair value is defined as the price received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date reflecting the highest and best use valuation concepts. ASC Topic 820 “Fair Value Measurement and Disclosure” provides a framework for measuring fair value by creating a hierarchy of fair value measurements that distinguishes market data between observable independent market inputs and unobservable market assumptions by the reporting entity. The guidance further expands disclosures about such fair value measurements. The guidance applies broadly to most existing accounting pronouncements that require or permit fair value measurements (including both financial and non-financial assets and liabilities) but does not require any new fair value measurements. The Company has adopted all authoritative guidance in effect as of the balance sheet date regarding certain market conditions that allow for fair value measurements that incorporate unobservable inputs where active market transaction based measurements are unavailable.

(g) Derivative instruments

Fair Value Hedges

The Company uses derivative instruments in the form of foreign currency forward exchange contracts to manage foreign currency risk. A foreign currency forward exchange contract involves an obligation to purchase or sell a specified amount of a specified currency at a future date at a price set at the time of the contract. Foreign currency forward exchange contracts will not

F-7

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

eliminate fluctuations in the value of our assets and liabilities denominated in foreign currencies but rather allow the Company to establish a rate of exchange for a future point in time. The foreign currency forward exchange contracts are recorded as derivatives at fair value as either assets or liabilities, depending on their rights or obligations, with changes in fair value recorded as a net foreign exchange gain or loss in the Company’s Statements of Income and Comprehensive Income.

To qualify for hedge accounting treatment, the derivative must be highly effective in mitigating the designated changes in fair value of the hedged item. The Company formally documents all relationships between designated hedging instruments and hedged items, as well as its risk management objective and strategy for undertaking various hedge transactions. The documentation process includes linking derivatives to specific assets or liabilities on the balance sheet. The Company also formally assesses, both at the hedge’s inception and on an ongoing basis, whether the derivatives that are used in hedging transactions are highly effective in offsetting the changes in fair value of the hedged items. The Company assesses the effectiveness of its designated hedges on an individual currency basis. If the ratio obtained with this method is within the range of 80% to 125%, the Company considers the hedge effective.

The Company discontinues hedge accounting prospectively when it is determined that the derivative is no longer highly effective in offsetting changes in the fair value of a hedged item; the derivative is de-designated as a hedging instrument; or the derivative expires or is sold, terminated or exercised. To the extent that the Company discontinues hedge accounting, because, based on management’s assessment, the derivative no longer qualifies as an effective hedge, the derivative will continue to be carried in the Consolidated Balance Sheets at its fair value, with changes in its fair value recognized in current period net income through foreign exchange gains (losses).

Cash Flow Hedges

The Company uses derivative instruments in the form of interest rate swaps to manage the interest rate exposure associated with certain assets and liabilities. These derivatives are recorded at fair value. Changes in the fair value of a derivative that is designated and qualifies as a cash flow hedge are recorded in accumulated other comprehensive income (“AOCI”) and are reclassified into earnings when the variability of the cash flow of the hedged item impacts earnings. Gains and losses on derivative contracts that are reclassified from AOCI to current period earnings are included in the line item in the Consolidated Statements of Income and Comprehensive Income in which the cash flows of the hedged item are recorded. Any hedge ineffectiveness is recorded immediately in current period earnings.

To qualify for hedge accounting treatment, a derivative must be highly effective in mitigating the designated changes in cash flow of the hedged item. The Company formally documents all relationships between designated hedging instruments and hedged items, as well as its risk management objective and strategy for undertaking various hedge transactions. The documentation process includes linking derivatives to specific assets or liabilities on the balance sheet. The Company also formally assesses, both at the hedge’s inception and on an ongoing basis, whether the derivatives that are used in hedging transactions are highly effective in offsetting the changes in cash flows of the hedged items. The Company assesses the effectiveness of its designated hedges on an individual contract basis. The Company currently applies the long haul method when assessing the hedge’s effectiveness.

The Company discontinues hedge accounting prospectively when it is determined that the derivative is no longer highly effective in offsetting changes in the cash flows of a hedged item; the derivative is de-designated as a hedging instrument; or the derivative expires or is sold, terminated or exercised. When hedge accounting is discontinued because the Company becomes aware that it is not probable that the forecasted transaction will occur, the derivative continues to be carried on the balance sheet at its fair value, and gains and losses that were included as part of AOCI are reclassified and recognized immediately in earnings.

(h) Cash and cash equivalents

The Company considers time deposits and money market funds with an original maturity of one month or less as equivalent to cash.

(i) Foreign exchange

The U.S. dollar is the functional currency of the Company and the majority of its subsidiaries. For these companies, monetary assets and liabilities denominated in foreign currencies are revalued at the exchange rates in effect at the balance sheet date and revenues and expenses denominated in foreign currencies are translated at the prevailing exchange rate on the transaction date with the resulting foreign exchange gains and losses included in earnings. Non-monetary assets and liabilities denominated in foreign currencies are revalued at the exchange rate in effect at the time of the underlying transaction.

F-8

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Assets and liabilities of subsidiaries whose functional currency is not the U.S. dollar are translated at prevailing year end exchange rates. Revenue and expenses of such foreign operations are translated at average exchange rates during the year. The net effect of translation differences between functional and reporting currencies in foreign operations, net of applicable deferred income taxes, is included in AOCI.

(j) Stock plans

The Company accounts for its stock plans in accordance with the ASC Topic 718 “Compensation - Stock Compensation.” Accordingly, the Company recognizes the compensation expense for stock option grants, restricted share grants and performance share awards based on the fair value of the award on the date of grant over the requisite service period.

(k) Warrants

The Company has accounted for certain warrant contracts issued to our sponsoring investors in conjunction with the capitalization of the Company, and which may be settled by the Company using either the physical settlement or net-share settlement methods, in accordance with ASC Topic 815 “Derivatives and Hedging, Contracts in Entity’s Own Equity.” Accordingly, the fair value of these warrants has been recorded in equity as an addition to additional paid-in capital.

(l) Earnings per share

Basic earnings per common share is calculated in accordance with ASC Topic 260 “Earnings per Share” by dividing net income available to common shareholders by the weighted average number of common shares outstanding. Earnings per diluted common share are based on the weighted average number of common shares and share equivalents excluding any anti-dilutive effects of warrants, options and other awards under stock plans.

(m) Income taxes and uncertain tax provisions

Deferred tax assets and liabilities are recorded in accordance with ASC Topic 740 “Income Taxes.” Consistent with ASC 740, the Company records deferred income taxes which reflect operating losses and tax credits carried forward and the tax effect of the temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and their respective tax bases.

The Company and its Bermuda domiciled subsidiaries are not subject to any income, withholding or capital gains taxes under current Bermuda law. The Company has operating subsidiaries in various other jurisdictions around the world, including but not limited to the U.K., U.S., Switzerland, Luxembourg and Canada that are subject to relevant taxes in those jurisdictions.

The Company recognizes the tax benefits of uncertain tax positions only where the position is more likely than not to be sustained upon examination by tax authorities based upon the technical merits of the position. Based on the more-likely-than-not recognition threshold, we must presume that the tax position will be subject to examination by a taxing authority with full knowledge of all relevant information. If the recognition threshold is met, then the tax position is measured at the largest amount of benefit that is more than 50% likely of being realized upon ultimate settlement. The Company classifies all interest and penalties related to uncertain tax positions in income tax expenses.

(n) Business combinations, goodwill and other intangible assets

The Company accounts for business combinations in accordance with ASC Topic 805 “Business Combinations” and goodwill and other intangible assets that arise from business combinations in accordance with ASC Topic 350 “Intangibles – Goodwill and Other.”

A purchase price paid that is in excess of the fair value of the net assets acquired (“goodwill”) arising from a business combination is recorded as an asset, and is not amortized. Where the fair value of the net assets acquired exceeds the consideration paid (“negative goodwill”), the acquirer will record a gain as a result of the bargain purchase, to be recognized through the Consolidated Statements of Income and Comprehensive Income at the close of the transaction. Other intangible assets with a finite life are amortized over the estimated useful life of the asset, whereas other intangible assets with an indefinite useful life are not amortized.

Goodwill and other intangible assets are assessed for impairment on an annual basis or more frequently if events or changes in circumstances indicate that it is more likely than not that an impairment exists. Such events or circumstances may include an economic downturn in a geographic market or change in the assessment of future operations. In performing this assessment, the

F-9

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Company may first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform the quantitative goodwill impairment test. Similarly, the Company may first assess qualitative factors to determine whether it is more likely than not that an other intangible asset is impaired as a basis for determining whether it is necessary to perform the quantitative impairment test. The factors assessed in making this determination included the overall insurance industry outlook, business strategy, premium rates, earnings sustainability, market capitalization and the regulatory and political environment.

If goodwill or other intangible assets are impaired, they are written down to their fair value with a corresponding expense reflected in the Consolidated Statements of Income and Comprehensive Income.

(n) Variable interest entities

The Company determines whether it has relationships with entities defined as VIEs in accordance with ASC Topic 810 “Consolidation.” A VIE is consolidated by the variable interest holder that is determined to be the primary beneficiary.

An entity in which the Company holds a variable interest is a VIE if any of the following conditions exist: (a) the total equity investment at risk is not sufficient to permit the entity to finance its activities without additional subordinated financial support, (b) as a group, the holders of equity investment at risk lack either the direct or indirect ability through voting rights or similar rights to make decisions about an entity’s activities that most significantly impact the entity’s economic performance or the obligation to absorb the expected losses or right to receive the expected residual returns, or (c) the voting rights of some investors are disproportionate to their obligation to absorb the expected losses of the entity, their rights to receive the expected residual returns of the entity, or both and substantially all of the entity’s activities either involve or are conducted on behalf of an investor with disproportionately few voting rights.

The primary beneficiary is defined as the variable interest holder that is determined to have the controlling financial interest as a result of having both (a) the power to direct the activities of a VIE that most significantly impact the economic performance of the VIE and (b) the obligation to absorb losses or right to receive benefits from the VIE that could potentially be significant to the VIE. At inception of the VIE, as well as following an event that requires reassessment, the Company determines whether it is the primary beneficiary based on the facts and circumstances surrounding each entity.

(o) Noncontrolling interests

The Company accounts for its noncontrolling interests in accordance with ASC Topic 810 “Consolidation.” Redeemable noncontrolling interests are presented as a mezzanine item, between liabilities and shareholders’ equity, in the Company’s Consolidated Balance Sheet and the non-redeemable noncontrolling interests are presented within shareholders’ equity in the Company’s Consolidated Balance Sheets and Consolidated Statements of Shareholders’ Equity. The net (income) loss attributable to noncontrolling interests is presented separately in the Company’s Consolidated Statements of Income and Comprehensive Income.

F-10

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

4. Recent accounting pronouncements

(a) Accounting Standards Adopted in 2016

In June 2014, the FASB issued Accounting Standard Update (“ASU”) No. 2014-12, “Compensation - Stock Compensation (Topic 718) - Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period.” The amendments in this ASU apply to all reporting entities that grant their employees share-based payments in which the terms of the award provide that a performance target that affects vesting could be achieved after the requisite service period. That is the case when an employee is eligible to retire or otherwise terminate employment before the end of the period in which a performance target (for example, an initial public offering or a profitability target) could be achieved and still be eligible to vest in the award if and when the performance target is achieved. The amendments in this ASU became effective for the Company on January 1, 2016. Adoption of this guidance did not have a material impact on the Company’s Consolidated Financial Statements.

In August 2014, the FASB issued ASU 2014-13, “Consolidation (Topic 810) - Measuring the Financial Assets and the Financial Liabilities of a Consolidated Collateralized Financing Entity.” The fair value of the financial assets of a collateralized financing entity, as determined under GAAP, may differ from the fair value of its financial liabilities even when the financial liabilities have recourse only to the financial assets. The amendments in this ASU provide an alternative to Topic 820 for measuring the financial assets and the financial liabilities of a consolidated collateralized financing entity to eliminate that difference. The amendments in this ASU became effective for the Company on January 1, 2016. Adoption of this guidance did not have a material impact on the Company’s Consolidated Financial Statements.

In August 2014, the FASB issued ASU 2014-15, “Presentation of Financial Statements - Going Concern (Subtopic 205-40) - Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern.”The amendments in this ASU require management to assess an entity’s ability to continue as a going concern by incorporating and expanding upon certain principles that are currently in U.S. auditing standards. The amendments in this ASU became effective for the Company on January 1, 2016. Adoption of this guidance did not have a material impact on the Company’s Consolidated Financial Statements.

In May 2015, the FASB issued ASU 2015-09, “Financial Services - Insurance (Topic 944) - Disclosures about Short-Duration Contracts.” The amendments in this ASU enhance annual disclosures relating to reserves for losses and loss expenses by requiring the following: (1) net incurred and paid claims development information by accident year; (2) a reconciliation of incurred and paid claims development information to the aggregate carrying amount of the reserve for losses and loss expenses; (3) for each accident year presented, total IBNR plus expected development on case reserves included in the reserve for losses and loss expenses, accompanied by a description of reserving methodologies and any changes thereto; (4) for each accident year presented, quantitative information about claim frequency (unless impracticable) accompanied by a qualitative description of methodologies used for determining claim frequency information and any changes thereto; and (5) the average annual percentage payout of incurred claims by age for the same number of accident years presented. The amendments in this ASU became effective for the Company on January 1, 2016 and the required annual disclosures have been included in Note 14, “Reserves for Losses and Loss Expenses.”

In September 2015, the FASB issued ASU 2015-16, “Business Combinations (Topic 805) - Simplifying the Accounting for Measurement-Period Adjustments.” The amendments in this ASU simplify the accounting for adjustments made to provisional amounts recognized in a business combination by eliminating the requirement to retrospectively account for those adjustments. The amendments in this ASU became effective for the Company on January 1, 2016. Adoption of this guidance did not have a material impact on the Company’s Consolidated Financial Statements.

(b) Recently Issued Accounting Standards Not Yet Adopted

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606).” The guidance in this ASU affects any entity that either enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of nonfinancial assets, unless those contracts are within the scope of other standards (for example, insurance contracts or lease contracts). The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In March and April 2016, the FASB issued ASU 2016-08, “Revenue from Contracts with Customers (Topic 606) - Principal versus Agent Considerations (Reporting Revenue Gross versus Net)” and ASU 2016-10, “Revenue from Contracts with Customers (Topic 606) - Identifying Performance Obligations and Licensing.” The amendments in these ASUs clarify the implementation guidance within ASU 2014-09 on principal versus agent considerations and the aspects of identifying performance

F-11

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

obligations, respectively, while retaining the related principals in those areas. In May 2016, the FASB issued ASU 2016-12, “Revenue from Contracts with Customers (Topic 606) - Narrow-Scope Improvements and Practical Expedients.” The amendments in this ASU do not change the core principle of the guidance in Topic 606. Rather, the amendments provide clarifying guidance in a few narrow areas and add practical expedients to reduce the potential for diversity in practice as well as the cost and complexity of applying the guidance. In December 2016, the FASB issued ASU 2016-20, “Technical Corrections and Improvements to Topic 606 - Revenue from Contracts with Customers.” The amendments in this ASU affect narrow aspects of the guidance issued in ASU 2014-09. The original effective date for the amendments in ASU 2014-09 was for annual reporting periods beginning after December 15, 2016; however, in August 2015, the FASB delayed the effective date by one year through the issuance of ASU 2015-14, “Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date.” As such, the new effective date is for interim and annual reporting periods beginning after December 15, 2017. Entities may adopt the standard as of the original effective date; however, earlier adoption is not permitted.

The Company has evaluated this guidance and determined it will likely impact the timing of when performance fees are recognized by AlphaCat Managers Ltd. (“AlphaCat Managers”). Currently, performance fees are recognized by AlphaCat Managers monthly, on a seasonal basis, in line with the underlying insurance contracts of the ILS it manages. However, upon adoption, performance fees will only be recognized when it’s probable that a significant reversal of the amount of cumulative revenue recognized will not occur. While performance fees are variable and dependent on the results of the AlphaCat sidecars and higher risk ILS funds, the impact on the results of the Company would not be material. The Company plans to adopt this guidance on January 1, 2018.

In January 2016, the FASB issued ASU 2016-01, “Financial Instruments - Overall (Subtopic 825-10) - Recognition and measurement of financial assets and financial liabilities.” The amendments in this ASU address certain aspects of recognition, measurement and disclosure of financial instruments and are effective for interim and annual reporting periods beginning after December 15, 2017. Early adoption is not permitted. The Company has evaluated the impact of this guidance and it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2018.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” The amendments in this ASU increase the transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and requiring the disclosure of key information about leasing arrangements. The amendments in this ASU are effective for interim and annual reporting periods beginning after December 15, 2018. Early adoption is permitted. Upon adoption, the Company expects to report higher assets and liabilities as a result of recognizing lease assets and liabilities on the Consolidated Balance Sheet. The Company does not expect the new guidance to have a significant impact on the Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2019.

In March 2016, the FASB issued ASU 2016-07, “Investments-Equity Method and Joint Ventures (Topic 323) - Simplifying the Transition to the Equity Method of Accounting.” The amendments in this ASU eliminate the requirement to retroactively adopt the equity method of accounting when an investment becomes qualified for the equity method of accounting as a result of an increase in the level of ownership interest or degree of influence. The amendments in this ASU are effective for interim and annual reporting periods beginning after December 15, 2016. Early adoption is permitted. The Company has evaluated the impact of this guidance and it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2017.

In March 2016, the FASB issued ASU 2016-09, “Compensation-Stock Compensation (Topic 718) - Improvements to Employee Share-Based Payment Accounting.” The amendments in this ASU simplify several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities and classification on the statement of cash flows. The amendments in this ASU are effective for interim and annual reporting periods beginning after December 15, 2016. Early adoption is permitted. The Company has evaluated the impact of this guidance and it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2017.

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326).” The new guidance introduces an approach based on expected losses to estimate credit losses on certain types of financial instruments. It also modifies the impairment model for available-for-sale debt securities and provides for a simplified accounting model for purchased financial assets with credit deterioration since their origination. This guidance is effective for annual periods beginning after December 15, 2019, and interim periods within those fiscal years. Early adoption is permitted for annual periods beginning after December 15, 2018, and interim periods within those fiscal years. This ASU also impacts the assessment of the recoverability of the Company’s reinsurance balances recoverable. The Company evaluates the financial condition of its reinsurers and monitors concentration of credit risk arising from

F-12

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

its exposure to individual reinsurers. The reinsurance program is generally placed with reinsurers whose rating, at the time of placement, was A- or better as rated by Standard & Poor’s or the equivalent with other rating agencies. As at December 31, 2016, 99.1% of the Company’s total reinsurance balances recoverable were either fully collateralized or recoverable from reinsurers rated A- or better. As a result, the Company does not expect the new guidance to have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2020.

In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows (Topic 230) - Classification of Certain Cash Receipts and Cash Payments.” This ASU is directed at reducing diversity in practice and addresses eight specific issues in how certain cash receipts and cash payments are presented and classified in the statement of cash flows. The ASU is effective for fiscal periods beginning after December 15, 2017, and interim periods within those fiscal years. Early adoption is permitted, including adoption in an interim period. Any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. An entity that elects early adoption must adopt all of the amendments in the same period. The amendments in this ASU should be applied using a retrospective transition method to each period presented. If it is impracticable to apply the amendments retrospectively for some of the issues, the amendments for those issues would be applied prospectively as of the earliest date practicable. The Company has evaluated the impact of this guidance and it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2018.

In October 2016, the FASB issued ASU 2016-16, “Income Taxes (Topic 740) - Intra-Entity Transfers of Assets Other Than Inventory.” This ASU aims to improve the accounting for the income tax consequences of intra-entity transfers of assets other than inventory. Current U.S. GAAP prohibits the recognition of current and deferred income taxes for an intra-entity asset transfer until the asset has been sold to an outside party. The ASU states that an entity should recognize the income tax consequences of an intra-entity transfer of an asset, other than inventory, when the transfer occurs. The ASU does not include new disclosure requirements; however, existing disclosure requirements might be applicable when accounting for the current and deferred income taxes for an intra-entity transfer of an asset other than inventory. The ASU is effective for fiscal periods beginning after December 15, 2017, and interim periods within those fiscal years. Early adoption is permitted for all entities as of the beginning of an annual reporting period for which financial statements (interim or annual) have not been issued or made available for issuance. That is, earlier adoption should be in the first interim period if an entity issues interim financial statements. The Company has evaluated the impact of this guidance and determined that it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2018.

In October 2016, the FASB issued ASU 2016-17, “Consolidation (Topic 810) - Interests Held Through Related Parties That Are Under Common Control.” The amendments in this ASU do not change the characteristics of a primary beneficiary in current U.S. GAAP. Rather, the ASU requires that a reporting entity, in determining whether it satisfies the second characteristic of a primary beneficiary, include all of its direct variable interests in a VIE and, on a proportionate basis, its indirect variable interests in a VIE held through related parties, including related parties that are under common control with the reporting entity. The ASU is effective for public business entities for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. Early adoption is permitted, including adoption in an interim period. If an entity early adopts the amendments in an interim period, any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. Entities that already have adopted ASU 2015-02 are required to apply the amendments in this ASU retrospectively to all relevant prior periods beginning with the fiscal year in which ASU 2015-02 initially were applied. The Company has evaluated the impact of this guidance and it will not have a material impact on the Company’s Consolidated Financial Statements.The Company plans to adopt this guidance on January 1, 2017.

In November 2016, the FASB issued ASU 2016-18, “Statement of Cash Flows (Topic 230) - Restricted Cash.” This ASU is directed at reducing diversity that exists in the classification and presentation of changes in restricted cash on the statement of cash flows. The ASU is effective for fiscal periods beginning after December 15, 2017, and interim periods within those fiscal years. Early adoption is permitted, including adoption in an interim period. Any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. The amendments in this ASU should be applied using a retrospective transition method to each period presented. The Company has evaluated the impact of this guidance and determined that it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2018.

In January 2017, the FASB issued ASU 2017-01, “Business Combinations (Topic 805) - Clarifying the Definition of a Business.” The amendments in this ASU clarify the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. This ASU is effective for fiscal periods beginning after December 15, 2017, and interim periods within those fiscal years. The amendments in this ASU should be

F-13

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

applied prospectively on or after the effective date. No disclosures are required at transition and early application is allowed in certain situations. The Company has evaluated the impact of this guidance and determined that it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this ASU on January 1, 2018.

In January 2017, the FASB issued ASU 2017-04, “Intangibles - Goodwill and Other (Topic 350).” The amendments in this ASU simplify the subsequent measurement of goodwill by eliminating Step 2 from the goodwill impairment test. Under this ASU, an entity would perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. Additionally, an entity should consider income tax effects from any tax deductible goodwill on the carrying amount of the reporting unit when measuring the goodwill impairment loss, if applicable. This ASU is effective for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. The Company completed its qualitative assessments for impairment of both goodwill and other intangible assets and concluded that there had been no impairment as at December 31, 2016. The Company has evaluated the impact of this guidance and determined that it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this ASU on January 1, 2020.

F-14

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

5. Business combination

Western World Insurance Group, Inc.

On October 2, 2014, Validus Specialty, Inc., a wholly owned subsidiary of the Company, acquired all of the issued and outstanding capital stock of Western World for an aggregate purchase price of $692,305 in cash. The Western World acquisition was undertaken to enhance the Company’s access to the specialty U.S. commercial insurance market. Additional factors that added to the value of Western World included its State Licenses, Brand Name, Distribution Network and Technology. These factors resulted in a market value greater than the value of net tangible and intangible assets which resulted in the recognition of goodwill. This goodwill is reflective of the strategic benefits that a U.S. based insurer can provide to the Company.

For reporting purposes, the results of Western World’s operations have been included in the Consolidated Financial Statements as a separate segment from the acquisition date.

The estimates of fair values for tangible and intangible assets acquired and liabilities assumed were determined by management based on various market and income analyses. Significant judgment was required to arrive at these estimates of fair value and changes to assumptions used could have led to materially different results.

The fair value of net assets acquired, including pro forma U.S. GAAP adjustments, are summarized as follows:

Total purchase price				$	692,305
Assets acquired
	Cash and cash equivalents	$	48,760
	Investments	1,126,185
	Receivables	37,848
	Other assets	19,418
	Tangible assets acquired			1,232,211
	Intangible asset - State licenses	$	12,325
	Intangible asset - Brand name	5,756
	Intangible asset - Distribution network	4,651
	Intangible asset - Technology	2,323
	Intangible assets acquired			$	25,055
Liabilities acquired
	Net loss reserves and paid losses recoverable	$	523,315
	Unearned premiums, net of expenses	135,686
	Other liabilities	81,464
	Liabilities acquired			740,465
Excess purchase price (goodwill) as at December 31, 2014				$	175,504
Measurement period adjustments (a)				861
Excess purchase price (goodwill) as at December 31, 2015				$	176,365

(a) During the year ended December 31, 2015, measurement period adjustments of $861 were made to certain other assets, net of taxes.

For details on the intangible assets acquired, refer to Note 6, “Goodwill and other intangible assets.”

The Company also incurred transaction expenses related to the Western World acquisition. Transaction expenses included legal, financial advisory and audit related services.

F-15

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Supplemental Pro Forma Information

Operating results of Western World have been included in the Consolidated Financial Statements from the October 2, 2014 acquisition date. The following selected unaudited pro forma financial information has been provided to present a summary of the combined results of the Company and Western World, assuming the transaction had been effected on January 1, 2014.

The unaudited pro forma data is for informational purposes only and does not necessarily represent results that would have occurred if the transaction had taken place on the basis assumed above.

	Year Ended December 31,
	2014
(Dollars in thousands)	Unaudited
Net premiums earned	$	2,216,349
Net operating income	$	481,179
Net income	$	448,071

The following selected audited information has been provided to present a summary of the results of Western World that have been included in the Consolidated Financial Statements for the year ended December 31, 2014.

	From Acquisition Date to
(Dollars in thousands)	December 31, 2014
Net premiums written	$	58,807
Total revenue	78,325
Total expenses	(66,882		)
Net income	$	11,443

F-16

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

6. Goodwill and other intangible assets

The following table presents a reconciliation of the beginning and ending goodwill and other intangible assets for the years ended December 31, 2016 and 2015:

	Year Ended December 31, 2016
	Goodwill						Other Intangible Assets
	Talbot		Western World		Total		With a Finite Life			With an Indefinite Life		Total
Balance, beginning of year	$	20,393	$	176,365	$	196,758	$	17,090		$	104,168	$	121,258
Amortization	—		—		—		(5,666		)	—		(5,666		)
Balance, end of year	$	20,393	$	176,365	$	196,758	$	11,424		$	104,168	$	115,592
	Year Ended December 31, 2015
	Goodwill						Other Intangible Assets
	Talbot		Western World		Total		With a Finite Life			With an Indefinite Life		Total
Balance, beginning of year	$	20,393	$	175,504	$	195,897	$	22,756		$	104,168	$	126,924
Amortization	—		—		—		(5,666		)	—		(5,666		)
Measurement period adjustments	—		861		861		—			—		—
Balance, end of year	$	20,393	$	176,365	$	196,758	$	17,090		$	104,168	$	121,258

Goodwill relates to the Company’s 2007 acquisition of Talbot and 2014 acquisition of Western World. As at December 31, 2016 and 2015, the total amount of carried goodwill was $196,758. During the year ended December 31, 2015, measurement period adjustments of $861 were made to certain other assets, net of taxes, for Western World.

Other intangible assets with a finite life includes the distribution network, technology, trade name and customer relationships related to the Company’s acquisitions of Talbot and Western World. These assets are amortized on a straight-line basis over a period ranging from 5 to 10 years. Amortization expense associated with these assets for the years ended December 31, 2016, 2015 and 2014 was $5,666, $5,666 and $4,538, respectively.

Other intangible assets with an indefinite life consist of U.S. state licenses that provide a legal right to transact business indefinitely which were acquired with the Company’s acquisition of Western World, along with Lloyd’s Syndicate capacity related to the Company’s acquisition of Talbot.

The Company completed its qualitative assessments for impairment of both goodwill and other intangible assets and concluded that there had been no impairment as at December 31, 2016 and 2015.

F-17

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The gross carrying value, accumulated amortization and net carrying value of other intangible assets by type as at December 31, 2016 and 2015 were as follows:

	December 31, 2016							December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Other intangible assets with a finite life
Trade name and customer relationships	$	18,189	$	(13,406	)	$	4,783	$	18,189	$	(12,187	)	$	6,002
Distribution network	39,831		(34,468		)	5,363		39,831		(30,485		)	9,346
Technology	2,323		(1,045		)	1,278		2,323		(581		)	1,742
Total	$	60,343	$	(48,919	)	$	11,424	$	60,343	$	(43,253	)	$	17,090
Other intangible assets with an indefinite life
Syndicate capacity	$	91,843	n/a			$	91,843	$	91,843	n/a			$	91,843
State licenses	12,325		n/a			12,325		12,325		n/a			12,325
Total	$	104,168				$	104,168	$	104,168				$	104,168

The estimated remaining amortization expense for the Company’s other intangible assets with a finite life is as follows:

	Total Remaining Amortization Expense
2017	$	3,585
2018	1,505
2019	1,389
2020	1,041
2021	1,041
2022 and thereafter	2,863
	$	11,424

F-18

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

7. Investments

Managed investments represent assets governed by the Company’s investment policy statement (“IPS”) whereas, non-managed investments represent assets held in support of consolidated AlphaCat VIEs which are not governed by the Company’s IPS. Refer to Note 9, “Variable interest entities,” for further details.

The amortized cost (or cost) and fair value of the Company’s investments as at December 31, 2016 and 2015 were as follows:

	December 31, 2016				December 31, 2015
	Amortized  Cost or Cost		Fair Value		Amortized  Cost or Cost		Fair Value
Managed investments
U.S. government and government agency	$	809,392	$	804,126	$	940,428	$	937,202
Non-U.S. government and government agency	245,651		240,791		241,549		237,968
U.S. states, municipalities and political subdivisions	271,742		271,830		299,929		301,289
Agency residential mortgage-backed securities	684,490		679,595		606,676		610,582
Non-agency residential mortgage-backed securities	15,858		15,477		27,025		26,920
U.S. corporate	1,540,036		1,534,508		1,503,614		1,489,951
Non-U.S. corporate	418,520		410,227		453,178		446,570
Bank loans	579,121		570,399		592,981		576,211
Asset-backed securities	528,563		526,814		440,363		437,124
Commercial mortgage-backed securities	333,740		330,932		263,310		260,135
Total fixed maturities	5,427,113		5,384,699		5,369,053		5,323,952
Short-term investments	228,574		228,386		237,349		237,369
Other investments
Fund of hedge funds	1,457		955		1,457		1,417
Hedge funds	11,292		17,381		14,018		20,980
Private equity investments	72,814		89,809		53,489		63,771
Fixed income investment funds	241,536		242,093		188,121		188,721
Overseas deposits	50,106		50,106		54,484		54,484
Mutual funds	2,925		5,368		4,394		7,483
Total other investments	380,130		405,712		315,963		336,856
Investments in investment affiliates (a)	84,840		100,431		69,794		87,673
Total managed investments	$	6,120,657	$	6,119,228	$	5,992,159	$	5,985,850
Non-managed investments
Catastrophe bonds	$	157,486	$	158,331	$	187,847	$	186,379
Short-term investments	2,567,784		2,567,784		1,704,266		1,704,266
Total non-managed investments	2,725,270		2,726,115		1,892,113		1,890,645
Total investments	$	8,845,927	$	8,845,343	$	7,884,272	$	7,876,495

(a) The Company’s investments in investment affiliates have been treated as equity method investments with the corresponding gains and losses recorded in

income as “Income (loss) from investment affiliates.”

F-19

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(a) Fixed maturity investments

The following table sets forth certain information regarding the investment ratings of the Company’s fixed maturity investments as at December 31, 2016 and 2015:

	December 31, 2016				December 31, 2015
	Fair Value		% of Total		Fair Value		% of Total
Managed fixed maturities
AAA	$	2,405,597	43.4	%	$	2,367,642	43.0	%
AA	538,289		9.7	%	569,386		10.3	%
A	1,081,949		19.5	%	1,031,326		18.7	%
BBB	740,861		13.4	%	691,538		12.6	%
Total investment grade managed fixed maturities	4,766,696		86.0	%	4,659,892		84.6	%
BB	213,568		3.9	%	235,724		4.3	%
B	177,737		3.2	%	179,069		3.2	%
CCC	13,371		0.2	%	5,706		0.1	%
CC	—		0.0	%	1,015		0.0	%
NR	213,327		3.8	%	242,546		4.4	%
Total non-investment grade managed fixed maturities	618,003		11.1	%	664,060		12.0	%
Total managed fixed maturities	$	5,384,699	97.1	%	$	5,323,952	96.6	%
Non-managed fixed maturities
BBB	$	—	0.0	%	$	1,911	0.0	%
Total investment grade non-managed catastrophe bonds	—		0.0	%	1,911		0.0	%
BB	29,731		0.6	%	70,962		1.3	%
B	4,524		0.1	%	30,698		0.6	%
NR	124,076		2.2	%	82,808		1.5	%
Total non-investment grade non-managed catastrophe bonds	158,331		2.9	%	184,468		3.4	%
Total non-managed fixed maturities	158,331		2.9	%	186,379		3.4	%
Total fixed maturities	$	5,543,030	100.0	%	$	5,510,331	100.0	%

F-20

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The amortized cost and estimated fair value amounts for the Company’s fixed maturity investments held at December 31, 2016 and 2015 are shown below by contractual maturity. Actual maturity may differ from contractual maturity because certain borrowers may have the right to call or prepay certain obligations with or without call or prepayment penalties.

	December 31, 2016				December 31, 2015
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Managed fixed maturities
Due in one year or less	$	350,733	$	346,161	$	367,132	$	366,019
Due after one year through five years	2,954,856		2,933,146		2,965,920		2,936,053
Due after five years through ten years	430,365		426,647		548,183		539,083
Due after ten years	128,508		125,927		150,444		148,036
	3,864,462		3,831,881		4,031,679		3,989,191
Asset-backed and mortgage-backed securities	1,562,651		1,552,818		1,337,374		1,334,761
Total managed fixed maturities	$	5,427,113	$	5,384,699	$	5,369,053	$	5,323,952
Non-managed catastrophe bonds
Due in one year or less	$	43,664	$	45,418	$	7,504	$	7,544
Due after one year through five years	112,572		111,656		165,093		163,575
Due after five years through ten years	1,250		1,257		15,250		15,260
Due after ten years	—		—		—		—
Total non-managed fixed maturities	157,486		158,331		187,847		186,379
Total fixed maturities	$	5,584,599	$	5,543,030	$	5,556,900	$	5,510,331

F-21

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(b) Other investments

The following tables set forth certain information regarding the Company’s other investments as at December 31, 2016 and 2015:

	December 31, 2016
	Fair Value		Investments with redemption restrictions		Investments without redemption restrictions		Redemption frequency (a)	Redemption notice period (a)
Fund of hedge funds	$	955	$	955	$	—
Hedge funds	17,381		17,381		—
Private equity investments	89,809		89,809		—
Fixed income investment funds	242,093		211,151		30,942		Daily	2 days
Overseas deposits	50,106		50,106		—
Mutual funds	5,368		—		5,368		Daily	Daily
Total other investments	$	405,712	$	369,402	$	36,310
	December 31, 2015
	Fair Value		Investments with redemption restrictions		Investments without redemption restrictions		Redemption frequency (a)	Redemption notice period (a)
Fund of hedge funds	$	1,417	$	1,417	$	—
Hedge funds	20,980		20,980		—
Private equity investments	63,771		63,771		—
Fixed income investment funds	188,721		167,910		20,811		Daily	2 days
Overseas deposits	54,484		54,484		—
Mutual funds	7,483		—		7,483		Daily	Daily
Total other investments	$	336,856	$	308,562	$	28,294

(a)     The redemption frequency and notice periods only apply to investments without redemption restrictions.

Other investments include alternative investments in various funds and pooled investment schemes. These alternative investments employ various investment strategies primarily involving, but not limited to, investments in collateralized obligations, fixed income securities, private equities, distressed debt and equity securities.

Certain securities included in other investments are subject to redemption restrictions and are unable to be redeemed from the funds. Distributions from these funds will be received as the underlying investments of the funds are liquidated. Currently, it is not known to the Company when these underlying assets will be sold by their investment managers; however, it is estimated that the majority of the underlying assets of the investments would liquidate over five to ten years from inception of the funds. In addition, one of the fixed income investment funds with a fair value of $184,749 (December 31, 2015: $167,910), has a lock-up period of three years as at December 31, 2016 and may also impose a redemption gate. A lock-up period refers to the initial amount of time an investor is contractually required to remain invested before having the ability to redeem. Typically, the imposition of a gate delays a portion of the requested redemption, with the remaining portion settled in cash shortly after the redemption date. Furthermore, the underlying investments held in the overseas deposit funds are liquid and will generally trade freely in an open market. However, the Company’s ability to withdraw from the overseas deposit funds is restricted by an annual and quarterly, funding and release process for Lloyd’s market participants.

The Company’s maximum exposure to any of these alternative investments is limited to the invested amounts and any remaining capital commitments. Refer to Note 23, “Commitments and contingencies,” for further details. As at December 31, 2016, the Company does not have any plans to sell any of the other investments listed above.

F-22

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(c) Investments in investment affiliates

Aquiline Financial Services Fund II L.P.

On December 20, 2011, the Company entered into an Assignment and Assumption Agreement (the “Agreement”) with Aquiline Capital Partners LLC, a Delaware limited liability company (the “Assignor”) and Aquiline Capital Partners II GP (Offshore) Ltd., a Cayman Islands company limited by shares (the “Aquiline II General Partner”) pursuant to which the Company has assumed 100% of the Assignor’s interest in Aquiline Financial Services Fund II L.P. (the “Aquiline II Partnership”) representing a total capital commitment of $50,000 (the “Aquiline II Commitment”), as a limited partner in the Partnership (the “Transferred Interest”). The Transferred Interest is governed by the terms of an Amended and Restated Exempted Limited Partnership Agreement of the Fund.

On October 2, 2014, the Company assumed an additional investment in the Aquiline II Partnership as part of the Western World acquisition representing a total capital commitment of $10,000. This interest is also governed by the terms of the Aquiline II Limited Partnership Agreement.

The Aquiline II Partnership is a VIE and the Company is not the primary beneficiary. Therefore, the Company’s investment in the Aquiline II Partnership has been treated as an equity method investment. The Aquiline II Partnership provides a quarterly capital account statement, with a three month delay in its valuation, which was used as the basis for calculating the Company’s share of partnership income for the period.

In accordance with the terms of the Agreement, no limited partner has the right to withdraw from the Aquiline II Partnership or to withdraw any part of its capital account without prior consent from the Aquiline II General Partner. The Company’s maximum exposure to the Aquiline II Partnership is limited to the amount invested and any remaining capital commitment. Refer to Note 23, “Commitments and contingencies,” for further details.

Aquiline Financial Services Fund III L.P.

On November 7, 2014, the Company, entered into a Subscription Agreement (the “Subscription Agreement”) with Aquiline Capital Partners III GP (Offshore) Ltd., a Cayman Islands company limited by shares (the “Aquiline III General Partner”) pursuant to which the Company committed and agreed to purchase limited partnership or other comparable limited liability equity interests (the “Limited Partnership Interests”) in Aquiline Financial Services Fund III L.P., a Cayman Islands exempted limited partnership (the “Aquiline III Partnership”), and/or one or more Alternative Investment Vehicles and Intermediate Entities (together with the Aquiline III Partnership, the “Fund” or the “Entities”) with a capital commitment (the “Aquiline III Commitment”) in an amount equal to $100,000, as a limited partner in the Aquiline III Partnership. The Limited Partnership Interests are governed by the terms of an Amended and Restated Exempted Limited Partnership Agreement.

The Aquiline III Partnership is a VIE and the Company is not the primary beneficiary. Therefore, the Company’s investment in the Aquiline III Partnership has been treated as an equity method investment. The Aquiline III Partnership provides a quarterly capital account statement, with a three month delay in its valuation, which was used as the basis for calculating the Company’s share of partnership income for the period.

In accordance with the terms of the Agreement, no limited partner has the right to withdraw from the Aquiline III Partnership or to withdraw any part of its capital account without prior consent from the Aquiline III General Partner. The Company’s maximum exposure to the Aquiline III Partnership is limited to the amount invested and any remaining capital commitment. Refer to Note 23, “Commitments and contingencies,” for further details.

F-23

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The following table presents a reconciliation of the Company’s beginning and ending investments in investment affiliates for the years ended December 31, 2016 and 2015:

	Years Ended December 31,
	2016			2015
Investment affiliates, beginning of year	$	87,673		$	63,506
Net capital contributions	14,841			19,886
(Loss) income from investment affiliate	(2,083		)	4,281
Investment affiliates, end of year	$	100,431		$	87,673

The following table presents the Company’s investments in the partnerships as at December 31, 2016 and 2015:

	December 31, 2016
	Investment at cost		Voting ownership %		Equity ownership %		Carrying value
Aquiline II Partnership	$	46,871	—	%	8.1	%	$	61,999
Aquiline III Partnership	37,969		—	%	9.0	%	38,432
Total	$	84,840					$	100,431
	December 31, 2015
	Investment at cost		Voting ownership %		Equity ownership %		Carrying value
Aquiline II Partnership	$	55,904	—	%	8.1	%	$	73,880
Aquiline III Partnership	13,890		—	%	13.7	%	13,793
Total	$	69,794					$	87,673

(d) Net investment income

Net investment income was derived from the following sources:

	Years Ended December 31,
	2016			2015			2014
Managed investments
Fixed maturities and short-term investments	$	119,085		$	113,627		$	93,044
Other investments	27,860			13,307			5,111
Cash and cash equivalents and restricted cash	2,939			1,911			5,106
Securities lending income	55			16			11
Total gross investment income	149,939			128,861			103,272
Investment expenses	(8,221		)	(7,695		)	(7,472		)
Total managed net investment income	$	141,718		$	121,166		$	95,800
Non managed investments
Fixed maturities and short-term investments	$	6,931		$	6,528		$	4,204
Cash and cash equivalents and restricted cash	1,736			130			82
Total non-managed net investment income	8,667			6,658			4,286
Total net investment income	$	150,385		$	127,824		$	100,086

Net investment income from other investments includes distributed and undistributed net income from certain fixed income investment funds.

F-24

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(e) Net realized gains and change in net unrealized gains (losses) on investments

The following table sets forth an analysis of net realized gains and the change in net unrealized gains (losses) on investments:

	Years Ended December 31,
	2016			2015			2014
Managed fixed maturities, short-term and other investments
Gross realized gains	$	22,491		$	15,678		$	20,201
Gross realized (losses)	(7,811		)	(13,980		)	(8,041		)
Net realized gains on investments	14,680			1,698			12,160
Change in net unrealized gains (losses) on investments	14,106			(32,007		)	(1,030		)
Total net realized and change in net unrealized gains (losses) on managed investments	$	28,786		$	(30,309	)	$	11,130
Non-managed fixed maturities, short-term and other investments
Gross realized gains	$	1,086		$	611		$	2,757
Gross realized (losses)	(9		)	(11		)	—
Net realized gains on investments	1,077			600			2,757
Change in net unrealized gains (losses) on investments	2,765			(388		)	(1,812		)
Total net realized and change in net unrealized gains on non-managed investments	3,842			212			945
Total net realized and change in net unrealized gains (losses) on total investments	$	32,628		$	(30,097	)	$	12,075

(f) Pledged investments and cash

As at December 31, 2016, the Company had $5,173,966 (December 31, 2015: $4,056,788) of cash and cash equivalents, restricted cash, short-term investments and fixed maturity investments that were pledged during the normal course of business. Of those, $5,068,092 were held in trust (December 31, 2015: $4,007,215). Pledged assets are generally for the benefit of the Company’s cedants and policyholders, to support AlphaCat’s fully collateralized reinsurance transactions and to facilitate the accreditation of Validus Reinsurance, Ltd., Validus Reinsurance (Switzerland) Ltd. (“Validus Re Swiss”) and Talbot as an alien insurer/reinsurer by certain regulators.

In addition, the Company has pledged cash and investments as collateral under the Company’s credit facilities in the amount of $442,184 (December 31, 2015: $826,535). For further details on the credit facilities, refer to Note 20“Debt and financing arrangements.”

During 2014, Validus Reinsurance, Ltd. established a Multi-Beneficiary Reinsurance Trust (“MBRT”) to collateralize its (re)insurance liabilities associated with and for the benefit of U.S. domiciled cedants who, as a result, will receive automatic credit in their regulatory filings for the reinsurance provided prospectively by the Company. As of December 31, 2016, Validus Reinsurance, Ltd. was approved as a trusteed reinsurer in 48 states as well as Puerto Rico and the District of Columbia. In addition, Validus Re Swiss established a MBRT in December 2015 and was approved as a trusteed reinsurer in 44 states as well as Puerto Rico and the District of Columbia as at December 31, 2016.

(g) Securities lending

The Company participates in a securities lending program whereby certain securities from its portfolio are loaned to third parties for short periods of time through a lending agent. The Company retains all economic interest in the securities it lends and receives a fee from the borrower for the temporary use of the securities. Collateral in the form of cash, government securities and letters of credit is required at a rate of 102% of the market value of the loaned securities and is held by a third party.

F-25

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

8. Fair value measurements

(a) Classification within the fair value hierarchy

Fair value is defined as the price to sell an asset or transfer a liability in an orderly transaction between market participants. Under U.S. GAAP, a company must determine the appropriate level in the fair value hierarchy for each fair value measurement. The fair value hierarchy prioritizes the inputs, which refer broadly to assumptions market participants would use in pricing an asset or liability, into three levels. It gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs. The level in the fair value hierarchy within which a fair value measurement in its entirety falls is determined based on the lowest level input that is significant to the fair value measurement in its entirety.

The three levels of the fair value hierarchy are described below:

Level 1 - Fair values are measured based on unadjusted quoted prices in active markets for identical assets or liabilities that we have the ability to access.

Level 2 - Fair values are measured based on quoted prices in active markets for similar assets or liabilities, quoted prices for identical assets or liabilities in inactive markets, or for which significant inputs are observable (e.g., interest rates, yield curves, prepayment speeds, default rates, loss severities, etc.) or can be corroborated by observable market data.

Level 3 - Fair values are measured based on inputs that are unobservable and significant to the overall fair value measurement. The unobservable inputs reflect the Company’s own judgments about assumptions where there is little, if any, market activity for that asset or liability that market participants might use.

The availability of observable inputs can vary from financial instrument to financial instrument and is affected by a wide variety of factors including, for example, the type of financial instrument, whether the financial instrument is new and not yet established in the marketplace, and other characteristics particular to the instrument. To the extent that valuation is based on models or inputs that are less observable or unobservable in the market, the determination of fair value requires significantly more judgment.

Accordingly, the degree of judgment exercised by management in determining fair value is greatest for instruments categorized in Level 3. In periods of market dislocation, the observability of prices and inputs may be reduced for many instruments. This may lead the Company to change the selection of our valuation technique (for example, from market to cash flow approach) or to use multiple valuation techniques to estimate the fair value of a financial instrument. These circumstances could cause an instrument to be reclassified between levels within the fair value hierarchy.

During 2015, the Company early adopted and implemented ASU 2015-07, “Fair Value Measurement (Topic 820) - Disclosures for Investments in Certain Entities That Calculate Net Asset Value per Share (or Its Equivalent).” As such, the investments measured at fair value using the net asset value (“NAV”) per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy.

F-26

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

At December 31, 2016, the Company’s investments were allocated between Levels 1, 2 and 3 as follows:

	Level 1		Level 2		Level 3		Fair value based on NAV practical expedient		Total
Managed investments
U.S. government and government agency	$	—	$	804,126	$	—	$	—	$	804,126
Non-U.S. government and government agency	—		240,791		—		—		240,791
U.S. states, municipalities and political subdivisions	—		271,830		—		—		271,830
Agency residential mortgage-backed securities	—		679,595		—		—		679,595
Non-agency residential mortgage-backed securities	—		15,477		—		—		15,477
U.S. corporate	—		1,534,508		—		—		1,534,508
Non-U.S. corporate	—		410,227		—		—		410,227
Bank loans	—		323,903		246,496		—		570,399
Asset-backed securities	—		502,883		23,931		—		526,814
Commercial mortgage-backed securities	—		330,932		—		—		330,932
Total fixed maturities	—		5,114,272		270,427		—		5,384,699
Short-term investments	209,651		18,735		—		—		228,386
Other investments
Fund of hedge funds	—		—		—		955		955
Hedge funds	—		—		—		17,381		17,381
Private equity investments	—		—		—		89,809		89,809
Fixed income investment funds	—		30,941		12,168		198,984		242,093
Overseas deposits	—		—		—		50,106		50,106
Mutual funds	—		5,368		—		—		5,368
Total other investments	—		36,309		12,168		357,235		405,712
Investments in investment affiliates (a)	—		—		—		—		100,431
Total managed investments	$	209,651	$	5,169,316	$	282,595	$	357,235	$	6,119,228
Non-managed investments
Catastrophe bonds	$	—	$	109,956	$	48,375	$	—	$	158,331
Short-term investments	2,567,784		—		—		—		2,567,784
Total non-managed investments	2,567,784		109,956		48,375		—		2,726,115
Total investments	$	2,777,435	$	5,279,272	$	330,970	$	357,235	$	8,845,343

(a) In accordance with ASC Topic 825 “Financial Instruments,” the Company’s investments in investment affiliates have not been classified in the fair value hierarchy.

F-27

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

At December 31, 2015, the Company’s investments were allocated between Levels 1, 2 and 3 as follows:

	Level 1		Level 2		Level 3		Fair value based on NAV practical expedient		Total
Managed investments
U.S. government and government agency	$	—	$	937,202	$	—	$	—	$	937,202
Non-U.S. government and government agency	—		237,968		—		—		237,968
U.S. states, municipalities and political subdivisions	—		301,289		—		—		301,289
Agency residential mortgage-backed securities	—		610,582		—		—		610,582
Non-agency residential mortgage-backed securities	—		26,920		—		—		26,920
U.S. corporate	—		1,489,951		—		—		1,489,951
Non-U.S. corporate	—		446,570		—		—		446,570
Bank loans	—		343,874		232,337		—		576,211
Asset-backed securities	—		437,124		—		—		437,124
Commercial mortgage-backed securities	—		260,135		—		—		260,135
Total fixed maturities	—		5,091,615		232,337		—		5,323,952
Short-term investments	222,678		14,691		—		—		237,369
Other investments
Fund of hedge funds	—		—		—		1,417		1,417
Hedge funds	—		—		—		20,980		20,980
Private equity investments	—		—		—		63,771		63,771
Fixed income investment funds	—		20,811		—		167,910		188,721
Overseas deposits	—		—		—		54,484		54,484
Mutual funds	—		7,483		—		—		7,483
Total other investments	—		28,294		—		308,562		336,856
Investments in investment affiliates (a)	—		—		—		—		87,673
Total managed investments	$	222,678	$	5,134,600	$	232,337	$	308,562	$	5,985,850
Non-managed investments
Catastrophe bonds	$	—	$	172,879	$	13,500	$	—	$	186,379
Short-term investments	1,704,266		—		—		—		1,704,266
Total non-managed investments	1,704,266		172,879		13,500		—		1,890,645
Total investments	$	1,926,944	$	5,307,479	$	245,837	$	308,562	$	7,876,495

(a) In accordance with ASC Topic 825 “Financial Instruments,” the Company’s investments in investment affiliates have not been classified in the fair value hierarchy.

At December 31, 2016, managed Level 3 investments totaled $282,595 (December 31, 2015: $232,337), representing 4.6% (December 31, 2015: 3.9%) of total managed investments.

(b) Valuation techniques

There have been no material changes in the Company’s valuation techniques during the period, or periods, represented by these Consolidated Financial Statements. The following methods and assumptions were used in estimating the fair value of each class of financial instrument recorded in the Consolidated Balance Sheets.

F-28

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Fixed maturity investments

In general, valuation of the Company’s fixed maturity investment portfolio is provided by pricing services, such as index providers and pricing vendors, as well as broker quotations. The pricing vendors provide valuations for a high volume of liquid securities that are actively traded. For securities that do not trade on an exchange, the pricing services generally utilize market data and other observable inputs in matrix pricing models to determine month end prices. Prices are generally verified using third party data. Securities which are priced by an index provider are generally included in the index.

In general, broker-dealers value securities through their trading desks based on observable inputs. The methodologies include mapping securities based on trade data, bids or offers, observed spreads, and performance on newly issued securities. Broker-dealers also determine valuations by observing secondary trading of similar securities. Prices obtained from broker quotations are considered non-binding, however they are based on observable inputs and by observing secondary trading of similar securities obtained from active, non-distressed markets. The Company considers these Level 2 inputs as they are corroborated with other market observable inputs. The techniques generally used to determine the fair value of the Company’s fixed maturity investments are detailed below by asset class.

U.S. government and government agency

U.S. government and government agency securities consist primarily of debt securities issued by the U.S. Treasury and mortgage pass-through agencies such as the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation and the Government National Mortgage Association. Fixed maturity investments included in U.S. government and government agency securities are primarily priced by pricing services. When evaluating these securities, the pricing services gather information from market sources and integrate other observations from markets and sector news. Evaluations are updated by obtaining broker dealer quotes and other market information including actual trade volumes, when available. The fair value of each security is individually computed using analytical models which incorporate option adjusted spreads and other daily interest rate data. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Non-U.S. government and government agency

Non-U.S. government and government agency securities consist of debt securities issued by non-U.S. governments and their agencies along with supranational organizations (also known as sovereign debt securities). Securities held in these sectors are primarily priced by pricing services who employ proprietary discounted cash flow models to value the securities. Key quantitative inputs for these models are daily observed benchmark curves for treasury, swap and high issuance credits. The pricing services then apply a credit spread for each security which is developed by in-depth and real time market analysis. For securities in which trade volume is low, the pricing services utilize data from more frequently traded securities with similar attributes. These models may also be supplemented by daily market and credit research for international markets. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

U.S. states, municipalities and political subdivisions

The Company’s U.S. states, municipalities and political subdivisions portfolio contains debt securities issued by U.S. domiciled state and municipal entities. These securities are generally priced by independent pricing services using the techniques described for U.S. government and government agency securities described above. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Agency residential mortgage-backed securities

The Company’s agency residential mortgage-backed investments are primarily priced by pricing services using a mortgage pool specific model which utilizes daily inputs from the active to be announced market which is very liquid, as well as the U.S. treasury market. The model also utilizes additional information, such as the weighted average maturity, weighted average coupon and other available pool level data which is provided by the sponsoring agency. Valuations are also corroborated with daily active market quotes. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

F-29

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Non-agency residential mortgage-backed securities

The Company’s non-agency mortgage-backed investments include non-agency prime residential mortgage-backed fixed maturity investments. The Company has no fixed maturity investments classified as sub-prime held in its fixed maturity investments portfolio. Securities held in these sectors are primarily priced by pricing services using an option adjusted spread model or other relevant models, which principally utilize inputs including benchmark yields, available trade information or broker quotes, and issuer spreads. The pricing services also review collateral prepayment speeds, loss severity and delinquencies among other collateral performance indicators for the securities valuation, when applicable. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

U.S. corporate

Corporate debt securities consist primarily of investment-grade debt of a wide variety of U.S. corporate issuers and industries. The Company’s corporate fixed maturity investments are primarily priced by pricing services. When evaluating these securities, the pricing services gather information from market sources regarding the issuer of the security and obtain credit data, as well as other observations, from markets and sector news. Evaluations are updated by obtaining broker dealer quotes and other market information including actual trade volumes, when available. The pricing services also consider the specific terms and conditions of the securities, including any specific features which may influence risk. In certain instances, securities are individually evaluated using a spread which is added to the U.S. treasury curve or a security specific swap curve as appropriate. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Non-U.S. corporate

Non-U.S. corporate debt securities consist primarily of investment-grade debt of a wide variety of non-U.S. corporate issuers and industries. The Company’s non-U.S. corporate fixed maturity investments are primarily priced by pricing services. When evaluating these securities, the pricing services gather information from market sources regarding the issuer of the security and obtain credit data, as well as other observations, from markets and sector news. Evaluations are updated by obtaining broker dealer quotes and other market information including actual trade volumes, when available. The pricing services also consider the specific terms and conditions of the securities, including any specific features which may influence risk. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Bank loans

The Company’s bank loan investments consist primarily of below-investment-grade debt of a wide variety of corporate issuers and industries. The Company’s bank loans are primarily priced by pricing services. When evaluating these securities, the pricing services gather information from market sources regarding the issuer of the security and obtain credit data, as well as other observations, from markets and sector news. Evaluations are updated by obtaining broker dealer quotes and other market information including actual trade volumes, when available. The pricing services also consider the specific terms and conditions of the securities, including any specific features which may influence risk. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Included in the bank loan portfolio is a collection of loan participations held through an intermediary. A third party pricing service provides monthly valuation reports for each loan and participation using a combination of quotations from loan pricing services, leveraged loan indices or market price quotes obtained directly from the intermediary. Significant unobservable inputs used to price these securities include credit spreads and default rates; therefore, the fair value of these investments are classified as Level 3.

F-30

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Asset-backed securities

Asset backed securities include mostly investment-grade debt securities backed by pools of loans with a variety of underlying collateral, including automobile loan receivables, student loans, credit card receivables, and collateralized loan obligations originated by a variety of financial institutions. Securities held in these sectors are primarily priced by pricing services. The pricing services apply dealer quotes and other available trade information such as bids and offers, prepayment speeds which may be adjusted for the underlying collateral or current price data, the U.S. treasury curve and swap curve as well as cash settlement. The pricing services determine the expected cash flows for each security held in this sector using historical prepayment and default projections for the underlying collateral and current market data. In addition, a spread is applied to the relevant benchmark and used to discount the cash flows noted above to determine the fair value of the securities held in this sector. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Where pricing is unavailable from pricing services, we value the positions using alternative methods such as a discounted cash flow methodology. This is generally the case when there is a low volume of trading activity and/or current transactions are not orderly.  Such discounted cash flow models for which significant observable inputs are unable to be corroborated with market observable information are classified as Level 3.

Commercial mortgage-backed securities

Commercial mortgage backed securities are investment-grade debt primarily priced by pricing services. The pricing services apply dealer quotes and other available trade information such as bids and offers, prepayment speeds which may be adjusted for the underlying collateral or current price data, the U.S. treasury curve and swap curve as well as cash settlement. The pricing services determine the expected cash flows for each security held in this sector using historical prepayment and default projections for the underlying collateral and current market data. In addition, a spread is applied to the relevant benchmark and used to discount the cash flows noted above to determine the fair value of the securities held in this sector. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Catastrophe bonds

Catastrophe bonds are priced based on broker or underwriter bid indications. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2. Where the significant inputs used to price these securities are unobservable, the fair value of these investments are classified as Level 3.

Short-term investments

Short-term investments consist primarily of highly liquid securities, all with maturities of less than one year from the date of purchase. The fair value of the portfolio is generally determined using amortized cost which approximates fair value. As the highly liquid money market-type funds are actively traded, the fair value of these investments are classified as Level 1. To the extent that the remaining securities are not actively traded due to their approaching maturity, the fair value of these investments are classified as Level 2.

Other investments

Fund of hedge funds

The fund of hedge funds includes a side pocket. While a redemption request has been submitted, the timing of receipt of proceeds on the side pocket is unknown. The fund’s administrator provides a monthly reported NAV with a three month delay in its valuation. The fund manager has provided an estimate of the fund NAV at year end based on the estimated performance provided from the underlying funds. To determine the reasonableness of the estimated NAV, the Company compares the fund administrator’s NAV to the fund manager’s estimated NAV that incorporates relevant valuation sources on a timely basis. Material variances are recorded in the current reporting period while immaterial variances are recorded in the following reporting period. The fair value of these investments are measured using the NAV practical expedient and therefore have not been categorized within the fair value hierarchy.

Hedge funds

The hedge fund investment was assumed by the Company in its acquisition of Flagstone Reinsurance Holdings, S.A. (“Flagstone”) (the “Flagstone hedge fund”). The Flagstone hedge fund’s administrator provides quarterly NAVs with a three month

F-31

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

delay in valuation. The fair value of this investment is measured using the NAV practical expedient and therefore has not been categorized within the fair value hierarchy.

Private equity investments

The private equity funds provide quarterly or semi-annual partnership capital statements with a three or six month delay which are used as a basis for valuation. These private equity investments vary in investment strategies and are not actively traded in any open markets. The fair value of these investments are measured using the NAV practical expedient and therefore have not been categorized within the fair value hierarchy.

Fixed income investment funds

The Company’s investment funds classified as Level 2 consist of a pooled investment fund. The pooled investment is invested in fixed income securities with high credit ratings and is only open to Lloyd’s Trust Fund participants. The fair value of units in the investment fund is based on the NAV of the fund and is traded on a daily basis.

Included in investment funds is a residual equity tranche of a structured credit fund valued using a dynamic yield that calculates an income accrual based on an underlying valuation model with a typical cash flow waterfall structure.  Significant unobservable inputs used to price this fund include default rates and prepayment rates; therefore, the fair value of the investment fund is classified as Level 3.

The fair value of the Company’s remaining investment funds is based on the NAV of the fund as reported by the independent fund administrator. The fund’s administrators provide a monthly reported NAV with a one or three month delay in their valuation. The fair value of these investments are measured using the NAV practical expedient and therefore have not been categorized within the fair value hierarchy.

Overseas deposits

The Company’s share of a portfolio of Lloyd’s overseas deposits are managed centrally by Lloyd’s and invested according to local regulatory requirements. The composition of the portfolio varies and the deposits are made across the market. The fair value of the deposits is based on the portfolio level reporting that is provided by Lloyd’s. The fair value of these investments are measured using the NAV practical expedient and therefore have not been categorized within the fair value hierarchy.

Mutual funds

Mutual funds consist of an investment fund which invests in various quoted investments. The fair value of units in the mutual fund is based on the NAV of the fund as reported by the fund manager. The mutual fund has daily liquidity which allows us to redeem our holdings at the applicable NAV in the near term. As such, the Company has classified this investment as Level 2.

F-32

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(c) Level 3 investments

The following table presents a reconciliation of the beginning and ending balances for all investments measured at fair value on a recurring basis using Level 3 inputs during the years ended December 31, 2016 and 2015:

	Year Ended December 31, 2016
	Bank Loans			Catastrophe Bonds			Fixed Income Investment Funds		Asset Backed Securities		Total
Level 3 investments, beginning of year	$	232,337		$	13,500		$	—	$	—	$	245,837
Purchases	87,345			33,272			12,168		23,896		156,681
Sales	(2,389		)	—			—		—		(2,389		)
Settlements	(69,496		)	(125		)	—		—		(69,621		)
Change in net unrealized (losses) gains	(1,301		)	1,728			—		35		462
Level 3 investments, end of year	$	246,496		$	48,375		$	12,168	$	23,931	$	330,970

	Year Ended December 31, 2015
	Bank Loans			Catastrophe Bonds			Total
Level 3 investments, beginning of year	$	32,748		$	17,500		$	50,248
Purchases	230,070			—			230,070
Sales	(1,036		)	(3,989		)	(5,025		)
Settlements	(27,429		)	—			(27,429		)
Net realized losses	—			(11		)	(11		)
Change in net unrealized losses	(2,016		)	—			(2,016		)
Level 3 investments, end of year	$	232,337		$	13,500		$	245,837

There were no transfers into or out of Level 3 during the years ended December 31, 2016 or 2015.

(d) Financial instruments not carried at fair value

ASC Topic 825 “Financial Instruments” is also applicable to disclosures of financial instruments not carried at fair value, except for certain financial instruments, including insurance contracts and investments in affiliates. The carrying values of cash and cash equivalents, restricted cash, accrued investment income, other assets, net payable for investments purchased and accounts payable and accrued expenses approximated their fair values at December 31, 2016, due to their respective short maturities. As these financial instruments are not actively traded, their respective fair values are classified within Level 2.

F-33

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

9. Variable interest entities

The Company consolidates all VOEs in which it has a controlling financial interest and all VIEs in which it is considered to be the primary beneficiary. The Company’s VIEs primarily include entities related to the AlphaCat segment.

(a) Consolidated VIEs

AlphaCat sidecars

Beginning on May 25, 2011, the Company joined with other investors in capitalizing a series of sidecars for the purpose of investing in collateralized reinsurance and retrocessional contracts. Certain of these sidecars deployed their capital through transactions entered into by AlphaCat Reinsurance Ltd. (“AlphaCat Re”). Each of these entities return capital once the risk period expires and all losses have been paid out. The AlphaCat sidecars are VIEs and are consolidated by the Company as the primary beneficiary. The Company’s maximum exposure to any of the sidecars is the amount of capital invested at any given time.

AlphaCat ILS funds

The AlphaCat ILS funds received third party subscriptions beginning on December 17, 2012. The Company and third party investors invest in the AlphaCat ILS funds for the purpose of investing in instruments with returns linked to property catastrophe reinsurance, retrocession and ILS contracts. The AlphaCat ILS funds have varying risk profiles and are categorized by the expected loss of the fund. Expected loss represents the average annual loss over the set of simulation scenarios divided by the total limit. Lower risk ILS funds are defined as having a maximum permitted portfolio expected loss of less than 7%, whereas higher risk ILS funds have a maximum permitted portfolio expected loss of greater than 7%. The AlphaCat ILS funds primarily deploy their capital through transactions entered into by AlphaCat Re and AlphaCat Master Fund Ltd. (“AlphaCat Master Fund”). The AlphaCat ILS funds are VIEs and are consolidated by the Company as the primary beneficiary. The Company’s maximum exposure to any of the funds is the amount of capital invested at any given time and any remaining capital commitments. Refer to Note 23, “Commitments and contingencies,” for further details.

AlphaCat Re and AlphaCat Master Fund

The Company utilizes AlphaCat Re and AlphaCat Master Fund (collectively the “master funds”), both market facing entities, for the purpose of writing collateralized reinsurance and investing in capital markets products, respectively, on behalf of certain entities within the AlphaCat segment and direct third party investors. AlphaCat Re enters into transactions on behalf of the AlphaCat sidecars and ILS funds (collectively the “feeder funds”) and direct third party investors, whereas AlphaCat Master Fund only enters into transactions on behalf of certain AlphaCat ILS funds. All of the risks and rewards of the underlying transactions are allocated to the feeder funds and direct third party investors using variable funding notes. The master funds are VIEs and are consolidated by the Company as the primary beneficiary.

Notes Payable to AlphaCat Investors

The master funds issue variable funding notes to the feeder funds, and direct to third party investors, in order to write collateralized reinsurance and invest in capital markets products on their behalf. The Company’s investments in the feeder funds, together with investments made by third parties in the feeder funds and on a direct basis, are provided as consideration for the notes to the master funds. The duration of the underlying collateralized reinsurance contracts and capital market products is typically twelve months; however, the variable funding notes do not have a stated maturity date or principal amount since repayment is dependent on the settlement and income or loss of the underlying transactions. Therefore, the notes are subsequently redeemed as the underlying transactions are settled. The income or loss generated by the underlying transactions is then transferred to the feeder funds and direct third party investors via the variable funding notes.

As both the master and feeder funds are consolidated by the Company, any notes issued by the master funds to the feeder funds are eliminated on consolidation and only variable funding notes issued by AlphaCat Re to direct third party investors remain on the Consolidated Balance Sheets as notes payable to AlphaCat investors with the related income or loss included in the Consolidated Statements of Income and Comprehensive Income as (income) attributable to AlphaCat investors. To the extent that the (income) loss has not been returned to the investors, it is included in accounts payable and accrued expenses in the Consolidated Balance Sheets.

During 2016, one of the AlphaCat ILS funds (“the Fund”) issued both common shares and structured notes to the Company and other third party investors in order to capitalize the fund. The Fund deploys its capital through AlphaCat Re; therefore, the structured notes do not have a stated maturity date or principal amount since repayment is dependent on the settlement and income

F-34

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

or loss of the variable funding notes with AlphaCat Re. The structured notes rank senior to the common shares and earn an interest rate of 8.0% per annum, payable on a cumulative basis in arrears.

As the Fund is consolidated by the Company, the structured notes issued to the Company are eliminated on consolidation and only the structured notes issued to third party investors remain on the Consolidated Balance Sheets as notes payable to AlphaCat investors with any related interest included in the Consolidated Statements of Income and Comprehensive Income as (income) loss attributable to AlphaCat investors. To the extent that the accrued interest on the structured notes has not been returned to the investors, it is included in accounts payable and accrued expenses in the Consolidated Balance Sheets.

The following tables present a reconciliation of the beginning and ending notes payable to AlphaCat investors as at December 31, 2016 and 2015:

	Year Ended December 31, 2016
	Variable Funding Notes			Structured Notes			Total
Notes payable to AlphaCat investors, beginning of year	$	75,493		$	—		$	75,493
Issuance of notes payable to AlphaCat investors	311,711			94,326			406,037
Redemption of notes payable to AlphaCat investors	(109,712		)	(94,326		)	(204,038		)
Foreign exchange gains	710			—			710
Notes payable to AlphaCat investors, end of year	$	278,202		$	—		$	278,202
	Year Ended December 31, 2015
	Variable Funding Notes			Structured Notes			Total
Notes payable to AlphaCat investors, beginning of year	$	—		$	—		$	—
Issuance of notes payable to AlphaCat investors	75,770			—			75,770
Foreign exchange losses	(277		)	—			(277		)
Notes payable to AlphaCat investors, end of year	$	75,493		$	—		$	75,493

As at December 31, 2016, $1,000 of the structured notes redeemed during the year ended December 31, 2016 were payable to AlphaCat investors and included in accounts payable and accrued expenses.

The income attributable to AlphaCat investors for the year ended December 31, 2016 was $23,358 (2015: $2,412), of which $17,068 was included in accounts payable and accrued expenses as at December 31, 2016 (December 31, 2015: $2,412).     

BetaCat ILS funds

The BetaCat ILS funds invest exclusively in catastrophe bonds (principal-at-risk variable rate notes and other event-linked securities, being referred to collectively as “Cat Bonds”) focused on property and casualty risk and issued under Rule 144A of the Securities Act of 1933, as amended, following a passive buy-and-hold investment strategy. One of the funds is a VIE and is consolidated by the Company as the primary beneficiary. The remaining funds are VOEs and are consolidated by the Company as it owns all of the voting equity interests. The Company’s maximum exposure to any of the funds is the amount of capital invested at any given time.

F-35

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The following table presents the total assets and total liabilities of the Company’s consolidated VIEs, excluding intercompany eliminations, as at December 31, 2016 and 2015:

	December 31, 2016				December 31, 2015
	Total Assets		Total Liabilities		Total Assets		Total Liabilities
AlphaCat sidecars	$	40,041	$	3,206	$	206,581	$	14,804
AlphaCat ILS funds - Lower Risk	$	1,498,276	$	42,457	$	1,268,070	$	143,371
AlphaCat ILS funds - Higher Risk	$	972,633	$	381,332	$	522,867	$	300,122
AlphaCat Re and AlphaCat Master Fund	$	2,510,415	$	2,510,245	$	1,615,779	$	1,615,609
BetaCat ILS funds	$	82,471	$	30,663	$	64,221	$	2,472

Assets of consolidated VIEs can only be used to settle obligations and liabilities of the consolidated VIEs and do not have recourse to the general credit of the Company. Investments of these entities are presented separately in Note 7, “Investments,” as non-managed investments.

(b) Non-Consolidated VIEs

The Company invests in private equity and other investment vehicles as part of the Company’s investment portfolio. The activities of these VIEs are generally limited to holding investments and the Company’s involvement in these entities is passive in nature. The Company’s maximum exposure to the VIEs is the amount of capital invested at any given time and any remaining capital commitments. The Company does not have the power to direct the activities which most significantly impact the VIEs economic performance and therefore, the Company is not the primary beneficiary of these VIEs.

10. Noncontrolling interests

Investors in certain of the AlphaCat ILS funds have rights that enable shareholders, subject to certain limitations, to redeem their shares. The third party equity is therefore recorded on the Company’s Consolidated Balance Sheets as redeemable noncontrolling interests. When and if a redemption notice is received, the fair value of the redemption is reclassified to a liability.

The AlphaCat sidecars and one of the AlphaCat ILS funds have no shareholder redemption rights. Therefore, the third party equity is recorded on the Company’s Consolidated Balance Sheets as noncontrolling interests.

The following tables present a reconciliation of the beginning and ending balances of redeemable noncontrolling interests and noncontrolling interests for the years ended December 31, 2016 and 2015:

	Redeemable Noncontrolling Interests						Noncontrolling Interests						Total
	Years Ended December 31,						Years Ended December 31,						Years Ended December 31,
	2016			2015			2016			2015			2016			2015
Balance, beginning of year	$	1,111,714		$	617,791		$	154,662		$	292,274		$	1,266,376		$	910,065
Issuance of shares	393,450			499,200			171,674			9,600			565,124			508,800
Income attributable to noncontrolling interests	100,852			71,418			22,511			21,546			123,363			92,964
Redemption of shares / Distributions	(78,015		)	(76,695		)	(182,870		)	(168,758		)	(260,885		)	(245,453		)
Balance, end of year	$	1,528,001		$	1,111,714		$	165,977		$	154,662		$	1,693,978		$	1,266,376

As at December 31, 2016, redemptions of $71,530 and distributions of $16,144 (December 31, 2015: $10,800 and $nil) were payable to redeemable noncontrolling interests and noncontrolling interests, respectively. These amounts are classified within accounts payable and accrued expenses on the Company’s Consolidated Balance Sheets.

F-36

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

11. Investment in operating affiliate

On April 2, 2012, the Company joined with other investors in capitalizing PaCRe, Ltd. (“PaCRe”), a Class 4 Bermuda reinsurer formed for the purpose of writing high excess property catastrophe reinsurance. During 2015, PaCRe’s Class 4 license was surrendered and it was considered off-risk effective January 1, 2016. During 2016, PaCRe was liquidated. The Company’s investment in PaCRe was treated as an equity method investment.

The following table presents a reconciliation of the beginning and ending investment in PaCRe for the years ended December 31, 2016 and 2015:

	Years Ended December 31,
	2016			2015
Operating affiliate, beginning of year	$	392		$	50,944
Return of investment	(369		)	(46,603		)
Loss from operating affiliate	(23		)	(3,949		)
Operating affiliate, end of year	$	—		$	392

The following table presents the Company’s investment in PaCRe as at December 31, 2015:

	Investment at cost		Voting ownership %		Equity ownership %		Carrying value
Investment in PaCRe	$	392	100.0	%	10.0	%	$	392

12. Derivative instruments

The Company enters into derivative instruments for risk management purposes, specifically to hedge unmatched foreign currency exposures and interest rate exposures.

(a) Derivatives not designated as hedging instruments

The following table summarizes information on the classification and amount of the fair value of derivatives not designated as hedging instruments for accounting purposes within the Company’s Consolidated Balance Sheets as at December 31, 2016 and December 31, 2015:

	December 31, 2016						December 31, 2015
Derivatives not designated as hedging instruments	Notional Exposure		Asset Derivative at Fair Value (a)		Liability Derivative at Fair Value (a)		Notional Exposure		Asset Derivative at Fair Value (a)		Liability Derivative at Fair Value (a)
Foreign currency forward contracts	$	181,375	$	2,351	$	3,421	$	255,840	$	2,601	$	3,211

(a) Asset and liability derivatives are classified within other assets and accounts payable and accrued expenses, respectively, within the Company’s Consolidated Balance Sheets.

F-37

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The following table summarizes information on the classification and net impact on earnings, recognized in the Company’s Consolidated Statements of Income and Comprehensive Income relating to the foreign currency forward and interest rate swap contracts that were not designated as hedging instruments for accounting purposes during the years endedDecember 31, 2016, 2015 and 2014:

Derivatives not designated as hedging instruments	Classification of gains (losses) recognized in earnings	Years Ended December 31,
		2016			2015			2014
Foreign currency forward contracts	Foreign exchange gains losses	$	(1,667	)	$	(610	)	$	—
Foreign currency forward contracts	Other insurance related income and other income	$	142		$	139		$	(133	)
Interest rate swap contracts (a)	Net realized gains on investments	$	8,518		$	—		$	—

(a) Relates to net realized gains on two interest rate swap contracts which were entered into and terminated during the year ended December 31, 2016 to partially offset the impact of interest rate increases on the Company’s fixed maturity investment portfolio.

(b) Derivatives designated as hedging instruments

The following table summarizes information on the classification and amount of the fair value of derivatives designated as hedging instruments for accounting purposes on the Consolidated Balance Sheets as at December 31, 2016 and 2015:

	December 31, 2016						December 31, 2015
Derivatives designated as hedging instruments	Notional Exposure		Asset Derivative at Fair Value (a)		Liability Derivative at Fair Value (a)		Notional Exposure		Asset Derivative at Fair Value (a)		Liability Derivative at Fair Value (a)
Interest rate swap contracts	$	552,263	$	20	$	1,479	$	552,263	$	21	$	1,942

(a) Asset and liability derivatives are classified within other assets and accounts payable and accrued expenses, respectively, within the Company’s Consolidated Balance Sheets.

Derivative instruments designated as a fair value hedge

Up to September 30, 2015, the Company had designated certain foreign currency derivative instruments as fair value hedges for accounting purposes and formally and contemporaneously documented all relationships between the derivative instruments and hedged items and linked the derivative instruments to specific assets and liabilities. The Company assessed the effectiveness of these hedges, both at inception and on an on-going basis to determine whether the hedges were highly effective in offsetting changes in fair value of the linked hedged items.

The following table provides the net impact on earnings, recognized in income within foreign exchange gains (losses), relating to the derivative instruments formally designated as fair value hedges for accounting purposes along with the impact of the related hedged items for the years endedDecember 31, 2016, 2015 and 2014:

	Years Ended December 31,
Foreign currency forward contracts	2016		2015			2014
Amount of loss recognized in income on derivative	$	—	$	(12,279	)	$	(9,651	)
Amount of gain on hedged item recognized in income attributable to risk being hedged	$	—	$	12,279		$	9,651
Amount of gain recognized in income on derivative (ineffective portion)	$	—	$	—		$	—

Derivative instruments designated as a cash flow hedge

The Company designates its interest rate derivative instruments as cash flow hedges for accounting purposes and formally and contemporaneously documents all relationships between the hedging instruments and hedged items and links the derivative instruments to specific assets and liabilities. The Company assesses the effectiveness of the hedges, both at inception and on an on-going basis and determines whether the hedges are highly effective in offsetting changes in fair value of the linked hedged items. The Company currently applies the long haul method when assessing the hedge’s effectiveness.

F-38

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The following table provides the total impact on other comprehensive income (loss) and earnings relating to the derivative instruments formally designated as cash flow hedges along with the impact of the related hedged items for the years endedDecember 31, 2016, 2015 and 2014:

	Years Ended December 31,
Interest rate swap contracts	2016			2015			2014
Amount of effective portion recognized in other comprehensive income	$	10,584		$	13,740		$	13,302
Amount of effective portion subsequently reclassified to earnings	$	(10,861	)	$	(12,899	)	$	(13,074	)
Amount of ineffective portion excluded from effectiveness testing	$	277		$	(841	)	$	(228	)

The above balances relate to interest payments and have therefore been classified as finance expenses in the Consolidated Statements of Income and Comprehensive Income.

(c) Classification within the fair value hierarchy

As described in Note 8, “Fair value measurements,” a company must determine the appropriate level in the fair value hierarchy for each fair value measurement. The assumptions used within the valuation of the Company’s derivative instruments are observable in the marketplace, can be derived from observable data or are supported by observable levels at which other similar transactions are executed in the marketplace. Accordingly, these derivatives were classified within Level 2 of the fair value hierarchy.

(d) Balance sheet offsetting

There was no balance sheet offsetting activity as at December 31, 2016 or December 31, 2015.

The Company currently provides cash collateral as security for interest rate swap contracts. The Company does not provide cash collateral or financial instruments as security for foreign currency forward contracts. Our derivative instruments are generally traded under International Swaps and Derivatives Association master netting agreements, which establish terms that apply to all transactions. On a periodic basis, the amounts receivable from or payable to the counterparties are settled in cash.

The Company has not elected to settle multiple transactions with an individual counterparty on a net basis.

13. Premiums receivable

Premiums receivable are composed of premiums in the course of collection, net of commissions and brokerage, and premiums accrued but unbilled, net of commissions and brokerage. It is common practice in the (re)insurance industry for premiums to be paid on an installment basis, therefore significant amounts will be considered unbilled and will not become due until a future date, which is typically no later than expiration of the underlying coverage period. The following is a breakdown of the components of premiums receivable at December 31, 2016 and 2015:

	Year Ended December 31, 2016
	Premiums in course of collection		Premiums accrued but unbilled		Total
Premiums receivable, beginning of year	$	95,152	$	563,530	$	658,682
Change during year	6,250		60,458		66,708
Premiums receivable, end of year	$	101,402	$	623,988	$	725,390

	Year Ended December 31, 2015
	Premiums in course of collection		Premiums accrued but unbilled			Total
Premiums receivable, beginning of year	$	84,901	$	621,566		$	706,467
Change during year	10,251		(58,036		)	(47,785		)
Premiums receivable, end of year	$	95,152	$	563,530		$	658,682

F-39

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

14. Reserve for losses and loss expenses

Reserves for losses and loss expenses are based in part upon the estimation of case reserves from broker, insured and ceding company reported data. The Company also uses statistical and actuarial methods to estimate ultimate expected losses and loss expenses, from which IBNR losses can be calculated. The period of time from the occurrence of a loss to the reporting of a loss to the Company and to the settlement of the Company’s liability may be several months or years. During this period, additional facts and trends may be revealed. As these factors become apparent, reserves will be adjusted, sometimes requiring an increase or decrease in the overall reserves of the Company, and at other times requiring a reallocation of incurred but not reported reserves to specific case reserves. These estimates are reviewed and adjusted regularly, and such adjustments, if any, are reflected in earnings in the period in which they become known. While management believes that it has made a reasonable estimate of ultimate losses, there can be no assurances that ultimate losses and loss expenses will not exceed this estimate.

The following table summarizes the total reserve for losses and loss expenses as at December 31, 2016 and 2015:

	December 31, 2016		December 31, 2015
Case reserves	$	1,237,772	$	1,278,697
IBNR	1,757,423		1,717,870
Total reserve for losses and loss expenses	$	2,995,195	$	2,996,567

The following table represents an analysis of paid and unpaid losses and loss expenses incurred and a reconciliation of the beginning and ending unpaid losses and loss expenses for the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
	2016			2015			2014
Reserve for losses and loss expenses, beginning of year	$	2,996,567		$	3,243,147		$	3,047,933
Loss reserves recoverable	(350,586		)	(377,466		)	(370,154		)
Net reserves for losses and loss expenses, beginning of year	2,645,981			2,865,681			2,677,779
Net reserves acquired	—			—			525,091
Increase (decrease) in net reserves for losses and loss expenses in respect of losses occurring in:
Current year	1,281,289			1,283,970			1,024,256
Prior years (a)	(216,192		)	(306,137		)	(259,241		)
Total incurred losses and loss expenses (a)	1,065,097			977,833			765,015
Less net losses and loss expenses paid in respect of losses occurring in:
Current year	(389,234		)	(326,167		)	(245,084		)
Prior years	(725,168		)	(841,672		)	(818,569		)
Total net paid losses	(1,114,402		)	(1,167,839		)	(1,063,653		)
Foreign exchange gain	(31,902		)	(29,694		)	(38,551		)
Net reserve for losses and loss expenses, end of year	2,564,774			2,645,981			2,865,681
Loss reserves recoverable	430,421			350,586			377,466
Reserve for losses and loss expenses, end of year	$	2,995,195		$	2,996,567		$	3,243,147

F-40

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Incurred losses and loss expenses comprise:

	Years Ended December 31,
	2016			2015			2014
Gross losses and loss expenses (a)	$	1,257,054		$	1,083,695		$	826,826
Reinsurance balances recoverable	(191,957		)	(105,862		)	(61,811		)
Net incurred losses and loss expenses (a)	$	1,065,097		$	977,833		$	765,015

(a) Upon closing the acquisition of Western World, an adjustment of $15,586 was made to increase net reserves to reflect fair value. This adjustment was fully amortized to income through a reduction in losses and loss expenses of $10,979 and $4,607 during the years ended December 31, 2015 and 2014, respectively.

The net favorable development on prior accident years by segment and line of business for the years endedDecember 31, 2016, 2015 and 2014 was as follows:

	Year Ended December 31, 2016
	Property			Marine			Specialty			Liability			Total
Validus Re	$	(57,888	)	$	(24,435	)	$	(36,210	)	$	—		$	(118,533	)
Talbot	(38,368		)	(11,738		)	(35,704		)	—			(85,810		)
Western World	(2,701		)	—			—			(6,411		)	(9,112		)
AlphaCat	(1,858		)	—			(879		)	—			(2,737		)
Net favorable development	$	(100,815	)	$	(36,173	)	$	(72,793	)	$	(6,411	)	$	(216,192	)

The Validus Re segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses along with favorable development on the 2015 Chilean Earthquake and 2015 Tianjin port explosion loss events partially offset by adverse development on events in the marine lines primarily related to receipt of a loss advice on an individual marine policy that incepted during the second half of 2015. The Talbot segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses partially offset by adverse development on events in the marine lines primarily related to receipt of a loss advice on an individual marine policy that incepted during the second half of 2015. The Western World segment experienced favorable development on prior accident years principally due to favorable development on attritional losses.

	Year Ended December 31, 2015
	Property			Marine			Specialty			Liability			Total (a)
Validus Re	$	(70,343	)	$	(39,460	)	$	(18,813	)	$	—		$	(128,616	)
Talbot	(52,393		)	(63,920		)	(30,044		)	—			(146,357		)
Western World (a)	(6,045		)	—			—			(16,922		)	(22,967		)
AlphaCat	(8,197		)	—			—			—			(8,197		)
Net favorable development (a)	$	(136,978	)	$	(103,380	)	$	(48,857	)	$	(16,922	)	$	(306,137	)

The Validus Re segment experienced favorable development on prior accident years primarily due to favorable development on Superstorm Sandy, a 2012 loss event, and attritional losses. The Talbot segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses and certain events, including the Thailand floods, which was a 2011 loss event. The Western World segment experienced favorable development on prior accident years primarily due to the amortization of the fair value adjustment made at the acquisition date as well as favorable development on attritional losses.

F-41

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

	Year Ended December 31, 2014
	Property			Marine			Specialty			Liability			Total
Validus Re	$	(76,064	)	$	(6,830	)	$	(4,706	)	$	—		$	(87,600	)
Talbot	(53,779		)	(31,397		)	(55,990		)	—			(141,166		)
Western World (a)	1,023			—			—			(12,263		)	(11,240		)
AlphaCat	(19,235		)	—			—			—			(19,235		)
Net favorable development (a)	$	(148,055	)	$	(38,227	)	$	(60,696	)	$	(12,263	)	$	(259,241	)

(a) Upon closing the acquisition of Western World, an adjustment of $15,586 was made to increase net reserves to reflect fair value. This adjustment was fully amortized to income through a reduction in losses and loss expenses of $10,979 and $4,607 during the years ended December 31, 2015 and 2014, respectively.

The Validus Re segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses and the European Floods, Superstorm Sandy and Gryphon Alpha mooring failure loss events, partially offset by adverse development on the Costa Concordia loss event. The Talbot segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses and loss events, primarily the Tohoku earthquake, which was a 2011 loss event. The Western World segment experienced favorable development on prior accident years primarily due to the amortization of the fair value adjustment made at the acquisition date as well as favorable development on attritional losses. The AlphaCat segment experienced favorable development on prior accident years primarily due to the partial release of a 2013 aggregate excess of loss contract.

Short Duration Contract Disclosures

During the year, the Company adopted ASU 2015-09 and has included the required disclosures below. Refer to Note 4, “Recent Accounting Pronouncements,” for further information.

The Company has disaggregated its information presented in the tables below by line of business as appropriate for each of the Validus Re, Talbot and Western World segments. The Company has not prepared loss development tables for the AlphaCat segment as its reserves for losses and loss expenses as at December 31, 2016 of $48,534 are not significant (1.9% of total net reserves) and therefore, presenting this information would not be meaningful. Reserves for the AlphaCat segment have been included as a reconciling item within the reconciliation of loss development information to the Company’s reserves for losses and loss expenses.

The Company has presented the below development tables for all accident years shown using exchange rates as at December 31, 2016. All accident years prior to the current year have been restated and presented using the current year exchange rate.

(a) Loss Development Tables

(i)Validus Re

The Validus Re loss development tables have been produced by line of business for accident years 2012 through to 2016. The Company determined that it was impracticable to produce IBNR by accident year by lines of business for years prior to 2012 as the necessary data in original currency was not readily available. In addition, Validus Re provides treaty reinsurance products on a global basis for all of its lines of business and does not receive or maintain claims count information associated with its reserved claims. As such, the Company has determined that it is impracticable to provide this information.

The net reserves for losses and loss expenses related to the acquisitions of IPC Holdings Ltd. (“IPC”) acquired on September 4, 2009, and Flagstone Reinsurance Holdings, S.A. (“Flagstone”), acquired on November 30, 2012, have been incorporated in Validus Re’s reserves for losses and loss expenses on a prospective basis. IPC and Flagstone were put into run-off as at the acquisition date of each. The prospective treatment for the acquisition of Flagstone was adopted primarily as a result of the data necessary to produce the loss development tables by accident year and by lines of business not being migrated over on acquisition as it was not requested or received and as a result does not exist within Validus Re’s data systems.

F-42

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Validus Re - Property
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	397,635	$	321,956	$	309,344	$	282,517	$	280,411	$	19,108	n/a
2013			174,722		156,233		141,203		132,830		7,233		n/a
2014					108,206		102,273		95,392		6,757		n/a
2015							154,923		118,484		41,177		n/a
2016									149,263		86,564		n/a
							Total		$	776,380
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	67,004		149,433		202,141		225,518		234,256
2013			17,325		63,974		101,158		114,263
2014					25,346		63,415		78,509
2015							16,029		57,882
2016									26,522
							Total		$	511,432
Reserves for losses and loss expenses, before 2012, net of reinsurance (a)									$	154,539
	Reserves for losses and loss expenses, net of reinsurance								$	419,487

(a) Includes reserves for losses and loss expenses, net of reinsurance, of $77,790 and $10,614 related to Flagstone and IPC, respectively.

F-43

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Validus Re - Marine
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	195,163	$	226,817	$	225,131	$	218,734	$	216,673	$	19,725	n/a
2013			76,776		74,022		63,630		61,210		7,347		n/a
2014					63,732		42,991		35,910		7,418		n/a
2015							129,864		119,490		55,557		n/a
2016									68,531		49,619		n/a
							Total		$	501,814
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	11,356		94,052		148,628		169,420		178,172
2013			11,784		28,996		39,493		44,512
2014					7,013		11,749		17,383
2015							3,723		16,180
2016									8,801
							Total		$	265,048
Reserves for losses and loss expenses, before 2012, net of reinsurance (a)									$	64,750
	Reserves for losses and loss expenses, net of reinsurance								$	301,516

(a) Includes reserves for losses and loss expenses, net of reinsurance, of $15,178 and $1,537 related to Flagstone and IPC, respectively.

F-44

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Validus Re - Specialty
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	53,798	$	54,573	$	49,263	$	47,428	$	46,626	$	733	n/a
2013			182,297		190,470		178,736		174,219		1,974		n/a
2014					213,911		208,508		200,649		8,372		n/a
2015							296,554		279,766		32,236		n/a
2016									295,872		128,761		n/a
							Total		$	997,132
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	$	17,716	$	41,156	$	44,037	$	44,942	$	45,332
2013			99,340		157,688		164,366		166,814
2014					95,765		162,056		176,202
2015							177,776		235,819
2016									149,502
							Total		$	773,669
Reserves for losses and loss expenses, before 2012, net of reinsurance (a)									$	67,909
	Reserves for losses and loss expenses, net of reinsurance								$	291,372

(a) Includes reserves for losses and loss expenses, net of reinsurance, of $41,091 and $5,743 related to Flagstone and IPC, respectively.

F-45

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(ii)Talbot

The Talbot loss development tables have been produced by line of business for accident years 2012 through to 2016. The Company determined that it was impracticable to produce IBNR by accident year for years prior to 2012 as the Company did not record this data for years prior to 2012 and as such, did not allocate IBNR by line of business for these years. Talbot writes treaty reinsurance business along with business through binders and lineslips and for this business the Company does not receive or maintain claims count information associated with its reserved losses therefore, the Company has determined that it is impracticable to provide claims count information.

Talbot - Property
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	135,923	$	112,488	$	100,748	$	101,387	$	100,773	$	2,413	n/a
2013			118,167		96,814		83,426		81,004		605		n/a
2014					147,259		121,260		114,852		5,528		n/a
2015							138,087		109,608		12,696		n/a
2016									177,771		76,755		n/a
							Total		$	584,008
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	$	13,051	$	61,490	$	83,824	$	88,150	$	92,512
2013			12,813		48,231		67,328		73,267
2014					21,249		74,493		95,945
2015							24,537		63,437
2016									37,880
							Total		$	363,041
Reserves for losses and loss expenses, before 2012, net of reinsurance									$	12,180
	Reserves for losses and loss expenses, net of reinsurance								$	233,147

F-46

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Talbot - Marine
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	208,883	$	203,855	$	186,278	$	182,283	$	178,839	$	5,154	n/a
2013			189,091		188,991		168,203		161,839		11,372		n/a
2014					180,401		155,361		154,105		13,671		n/a
2015							187,790		192,818		54,285		n/a
2016									159,153		89,536		n/a
							Total		$	846,754
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	$	36,491	$	105,600	$	136,335	$	153,550	$	157,475
2013			38,416		88,494		112,781		125,037
2014					24,433		74,547		102,788
2015							25,300		73,957
2016									35,105
							Total		$	494,362
Reserves for losses and loss expenses, before 2012, net of reinsurance									$	44,753
	Reserves for losses and loss expenses, net of reinsurance								$	397,145

F-47

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Talbot - Specialty
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	151,306	$	132,735	$	122,760	$	120,621	$	118,869	$	5,886	n/a
2013			166,450		145,905		132,797		124,208		8,724		n/a
2014					215,960		214,962		198,653		39,248		n/a
2015							152,907		149,031		39,447		n/a
2016									166,604		105,142		n/a
							Total		$	757,365
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	$	25,591	$	57,906	$	83,201	$	87,753	$	105,888
2013			42,325		77,428		91,940		100,213
2014					41,183		107,882		135,526
2015							35,724		85,397
2016									33,468
							Total		$	460,492
Reserves for losses and loss expenses, before 2012, net of reinsurance									$	45,486
	Reserves for losses and loss expenses, net of reinsurance								$	342,359

(iii)Western World

The Western World loss development tables have been produced by line of business for accident years 2007 through to 2016. The Company has accumulated claims count information by accident year for Western World. The Company’s methodology for determining reported claims count information is on a per claims basis by accident year and is inclusive of claims that are open, closed with payment and closed without payment.

F-48

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Western World - Property
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,																				December 31, 2016
Accident Year	2007		2008		2009		2010		2011		2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<------------------------------------------------- Unaudited -------------------------------------------------->
2007	$	8,520	$	8,161	$	8,218	$	8,209	$	8,209	$	8,206	$	8,206	$	8,207	$	8,207	$	8,207	$	—	841
2008			12,094		11,615		11,805		11,762		11,729		11,721		11,724		11,724		11,724		—		412
2009					10,300		10,005		10,039		10,034		10,060		10,060		10,060		10,060		—		784
2010							11,846		11,573		11,507		11,414		11,448		11,438		11,332		—		974
2011									12,588		12,223		12,000		12,134		12,012		12,021		—		1,238
2012											15,506		15,491		15,594		15,556		15,522		—		1,680
2013													21,825		23,561		23,659		23,599		—		1,950
2014															35,612		29,282		28,619		103		2,393
2015																	27,879		26,002		135		1,788
2016																			46,636		9,324		1,587
																	Total		$	193,722
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2007		2008		2009		2010		2011		2012		2013		2014		2015		2016
	<------------------------------------------------- Unaudited -------------------------------------------------->
2007	$	5,418	$	7,968	$	8,192	$	8,206	$	8,206	$	8,206	$	8,206	$	8,207	$	8,207	$	8,207
2008			8,895		11,288		11,672		11,747		11,714		11,721		11,724		11,724		11,724
2009					8,096		9,948		9,942		10,003		10,060		10,060		10,060		10,060
2010							8,563		10,521		10,905		10,854		10,882		10,903		11,287
2011									9,797		12,000		11,976		12,027		12,009		12,021
2012											11,166		14,838		15,435		15,513		15,522
2013													15,568		22,647		23,104		23,561
2014															21,913		27,211		27,606
2015																	18,981		25,302
2016																			29,666
																	Total		$	174,956
	Reserves for losses and loss expenses, before 2007, net of reinsurance																		$	—
	Reserves for losses and loss expenses, net of reinsurance																		$	18,766

F-49

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Western World - Liability
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,																				December 31, 2016
Accident Year	2007		2008		2009		2010		2011		2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<------------------------------------------------- Unaudited -------------------------------------------------->
2007	$	164,717	$	162,239	$	160,117	$	158,478	$	154,499	$	152,163	$	149,994	$	107,894	$	107,350	$	106,342	$	1,981	$	4.727
2008			135,009		135,280		135,330		133,088		131,006		129,559		102,424		102,070		101,478		2,075		4,950
2009					116,474		116,780		116,990		116,463		116,327		98,261		96,235		95,266		2,173		3,955
2010							101,223		108,823		111,675		112,072		105,400		106,066		103,973		3,877		4,205
2011									101,091		107,741		107,827		109,412		109,183		108,301		4,627		4,372
2012											108,981		111,283		133,990		132,562		127,486		9,410		4,649
2013													132,077		165,233		164,428		158,329		17,049		5,990
2014															197,022		197,388		203,592		44,988		7,469
2015																	154,184		158,591		76,092		5,152
2016																			133,303		104,906		3,156
																	Total		$	1,296,661
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2007		2008		2009		2010		2011		2012		2013		2014		2015		2016
	<------------------------------------------------- Unaudited -------------------------------------------------->
2007	$	10,723	$	30,741	$	58,358	$	80,218	$	91,020	$	96,658	$	99,978	$	102,600	$	103,961	$	104,038
2008			8,654		28,467		51,165		71,239		82,661		89,433		93,563		95,773		97,475
2009					10,023		30,131		48,255		65,009		77,895		85,644		89,688		90,415
2010							8,215		28,393		51,765		71,430		84,320		92,889		96,309
2011									7,331		27,438		50,197		75,000		88,415		96,780
2012											8,823		31,291		65,437		92,499		108,409
2013													10,159		41,782		77,776		108,613
2014															16,468		52,543		98,848
2015																	12,662		39,598
2016																			9,873
																	Total		$	850,358
	Reserves for losses and loss expenses, before 2007, net of reinsurance																		$	8,944
	Reserves for losses and loss expenses, net of reinsurance																		$	455,247

F-50

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(b) Reconciliation of Loss Development Information to the Reserves for Losses and Loss Expenses

The table below reconciles the loss development information to the Company’s reserves for losses and loss expenses as at December 31, 2016:

	December 31, 2016
Reserves for losses and loss expenses, net of reinsurance
Validus Re - Property	$	419,487
Validus Re - Marine	301,516
Validus Re - Specialty	291,372
Talbot - Property	233,147
Talbot - Marine	397,145
Talbot - Specialty	342,359
Western World - Property	18,766
Western World - Liability	455,247
Total reserves for losses and loss expenses, net of reinsurance	2,459,039
Loss reserves recoverable
Validus Re - Property	42,873
Validus Re - Marine	52,970
Validus Re - Specialty	2,162
Talbot - Property	93,774
Talbot - Marine	125,677
Talbot - Specialty	86,587
Western World - Property	187
Western World - Liability	87,300
Elimination - Intercompany	(61,109		)
Total loss reserves recoverable	430,421
Unallocated loss adjustment expenses	51,990
Provisions for uncollectible reinsurance	5,153
Reserves for losses and loss expenses - AlphaCat segment	48,534
Other	58
Total reserves for losses and loss expenses	$	2,995,195

F-51

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(c) Historical Loss Duration

The below table summarizes the historic average annual percentage payout of incurred losses by age, net of reinsurance, as of December 31, 2016:

	Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance
	December 31, 2016
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Validus Re - Property	19.0	%	34.9	%	20.9	%	9.1	%	3.1	%	n/a		n/a		n/a		n/a		n/a
Validus Re - Marine	12.0	%	22.5	%	19.3	%	8.9	%	4.0	%	n/a		n/a		n/a		n/a		n/a
Validus Re - Specialty	51.4	%	34.4	%	5.7	%	1.7	%	0.8	%	n/a		n/a		n/a		n/a		n/a
Talbot - Property	18.2	%	43.4	%	21.5	%	5.8	%	4.3	%	n/a		n/a		n/a		n/a		n/a
Talbot - Marine	19.0	%	31.8	%	16.8	%	8.6	%	2.2	%	n/a		n/a		n/a		n/a		n/a
Talbot - Specialty	24.1	%	30.6	%	15.6	%	5.2	%	15.3	%	n/a		n/a		n/a		n/a		n/a
Western World - Property	73.1	%	22.4	%	2.0	%	0.5	%	0.1	%	0.1	%	0.9	%	—	%	—	%	—	%
Western World - Liability	8.1	%	18.9	%	22.9	%	20.1	%	12.0	%	7.2	%	3.7	%	1.8	%	1.5	%	0.1	%

15. Accounts payable and accrued expenses

The following are the components of accounts payable and accrued expenses:

	December 31, 2016		December 31, 2015
Accrued interest on debt	$	10,286	$	10,771
Subscriptions received in advance on AlphaCat ILS funds and sidecars	326,900		412,036
Redemptions/distributions payable to noncontrolling interests	87,674		10,800
Structured notes payable to AlphaCat investors	1,000		—
Accrued income attributable to AlphaCat investors	17,068		2,412
Income tax payable	1,036		8,856
Accrued pension liability	16,979		15,722
Trade and compensation payables	126,705		166,734
Total accounts payable and accrued expenses	$	587,648	$	627,331

For the year ended December 31, 2016, non-cash movements in accounts payable and accrued expenses in relation to the AlphaCat ILS funds and sidecars were $217,322 (2015: $(10,239); 2014: $7,847). Of this, redemptions/distributions payable to noncontrolling interests included non-cash movements of $77,873 (2015: $(10,239); 2014: $7,847). Subscriptions received in advance on AlphaCat ILS funds and sidecars included non-cash reinvestment of noncontrolling interests and structured notes of $139,449 (2015: $nil; 2014: $nil).

F-52

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

16. Reinsurance

The Company’s reinsurance balances recoverable at December 31, 2016 and 2015 were as follows:

	December 31, 2016		December 31, 2015
Loss reserves recoverable on unpaid:
Case reserves	$	165,328	$	135,723
IBNR	265,093		214,863
Total loss reserves recoverable	430,421		350,586
Paid losses recoverable	35,247		23,071
Total reinsurance recoverable	$	465,668	$	373,657

The Company enters into reinsurance and retrocession agreements in order to mitigate its accumulation of loss, reduce its liability on individual risks, enable it to underwrite policies with higher limits and increase its aggregate capacity. The cession of insurance and reinsurance does not legally discharge the Company from its primary liability for the full amount of the policies, and the Company is required to pay the loss and bear collection risk if the reinsurer fails to meet its obligations under the reinsurance or retrocession agreement. Amounts recoverable from reinsurers are estimated in a manner consistent with the underlying liabilities.

(a) Effects of reinsurance on premiums written and earned

The effects of reinsurance on premiums written and earned for the years ended December 31, 2016, 2015 and 2014 were as follows:

	Year Ended December 31, 2016
	Validus Re						Talbot						Western World						AlphaCat						Eliminations						Total
	Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned
Treaty reinsurance	$	1,111,054		$	1,060,117		$	146,296		$	115,828		$	—		$	—		$	270,402		$	256,085		$	(26,673	)	$	(23,035	)	$	1,501,079		$	1,408,995
Facultative reinsurance	—			—			293,741			307,351			—			—			—			—			—			—			293,741			307,351
Direct	—			—			530,665			529,265			323,220			294,376			—			—			—			—			853,885			823,641
Ceded	(111,564		)	(116,172		)	(175,729		)	(170,528		)	(22,634		)	(21,144		)	(6,451		)	(6,013		)	26,673			23,035			(289,705		)	(290,822		)
Total	$	999,490		$	943,945		$	794,973		$	781,916		$	300,586		$	273,232		$	263,951		$	250,072		$	—		$	—		$	2,359,000		$	2,249,165

	Year Ended December 31, 2015
	Validus Re						Talbot						Western World						AlphaCat						Eliminations						Total
	Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned
Treaty reinsurance	$	1,126,759		$	1,141,184		$	133,273		$	136,796		$	—		$	—		$	176,126		$	164,544		$	(42,718	)	$	(45,115	)	$	1,393,440		$	1,397,409
Facultative reinsurance	—			—			325,311			330,472			—			—			—			—			—			—			325,311			330,472
Direct	—			—			560,251			570,669			278,504			281,587			—			—			—			—			838,755			852,256
Ceded	(149,088		)	(150,971		)	(198,896		)	(199,846		)	(18,877		)	(22,937		)	(4,538		)	(4,609		)	42,718			45,115			(328,681		)	(333,248		)
Total	$	977,671		$	990,213		$	819,939		$	838,091		$	259,627		$	258,650		$	171,588		$	159,935		$	—		$	—		$	2,228,825		$	2,246,889

	Year Ended December 31, 2014
	Validus Re						Talbot						Western World						AlphaCat						Eliminations						Total
	Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned
Treaty reinsurance	$	1,118,532		$	1,109,659		$	149,079		$	163,382		$	—		$	—		$	126,785		$	126,534		$	(53,457	)	$	(60,912	)	$	1,340,939		$	1,338,663
Facultative reinsurance	—			—			334,898			345,252			—			—			—			—			—			—			334,898			345,252
Direct	—			—			617,793			576,136			65,235			80,838			—			—			—			—			683,028			656,974
Ceded	(163,678		)	(192,375		)	(192,211		)	(204,996		)	(6,428		)	(7,842		)	(4,348		)	(3,533		)	53,457			60,912			(313,208		)	(347,834		)
Total	$	954,854		$	917,284		$	909,559		$	879,774		$	58,807		$	72,996		$	122,437		$	123,001		$	—		$	—		$	2,045,657		$	1,993,055

F-53

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(b) Credit risk

The Company evaluates the financial condition of its reinsurers and monitors concentration of credit risk arising from its exposure to individual reinsurers. The reinsurance program is generally placed with reinsurers whose rating, at the time of placement, was A- or better as rated by Standard & Poor’s or the equivalent with other rating agencies. Exposure to a single reinsurer is also controlled with restrictions dependent on rating. As at December 31, 2016, $461,369 or 99.1% (December 31, 2015: $368,638 or 98.7%) of the Company’s reinsurance balances recoverable were either fully collateralized or recoverable from reinsurers rated A- or better.

Reinsurance recoverables by reinsurer as at December 31, 2016 and 2015 were as follows:

	December 31, 2016				December 31, 2015
	Reinsurance Recoverable		% of Total		Reinsurance Recoverable		% of Total
Top 10 reinsurers	$	395,308	84.9	%	$	303,108	81.1	%
Other reinsurers’ balances > $1 million	66,944		14.4	%	61,222		16.4	%
Other reinsurers’ balances < $1 million	3,416		0.7	%	9,327		2.5	%
Total	$	465,668	100.0	%	$	373,657	100.0	%

	December 31, 2016
Top 10 Reinsurers	Rating	Reinsurance Recoverable		% of Total
Lloyd's Syndicates	A+	$	84,419	18.2	%
Swiss Re	AA-	84,044		18.1	%
Fully collateralized reinsurers	NR	83,088		17.8	%
Hannover Re	AA-	50,603		10.9	%
Everest Re	A+	36,912		7.9	%
Munich Re	AA-	18,214		3.9	%
Transatlantic Re	A+	10,593		2.3	%
Hamilton Re	A-	10,343		2.2	%
Toa Re	A+	9,510		2.0	%
National Indemnity Company	AA+	7,582		1.6	%
Total		$	395,308	84.9	%

NR: Not rated

F-54

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

	December 31, 2015
Top 10 Reinsurers	Rating	Reinsurance Recoverable		% of Total
Swiss Re	AA-	$	83,048	22.2	%
Lloyd's Syndicates	A+	66,356		17.8	%
Hannover Re	AA-	43,765		11.7	%
Everest Re	A+	43,060		11.5	%
Munich Re	AA-	18,707		5.0	%
Transatlantic Re	A+	11,923		3.2	%
Hamilton Re	A-	10,898		2.9	%
National Indemnity Company	AA+	10,293		2.8	%
XL Re	A+	8,728		2.3	%
Toa Re	A+	6,330		1.7	%
Total		$	303,108	81.1	%

At December 31, 2016 and 2015, the provision for uncollectible reinsurance relating to reinsurance recoverables was $5,153 and $4,997, respectively. To estimate this provision for uncollectible reinsurance, reinsurance recoverables are first allocated to applicable reinsurers. This determination is based on a process rather than an estimate, although an element of judgment is applied, especially in relation to ceded IBNR. The Company then uses default factors to determine the portion of a reinsurer’s balance deemed to be uncollectible. Default factors require considerable judgment and are determined in part using the current rating, or rating equivalent, of each reinsurer as well as other key considerations and assumptions.

17. Share capital

The Company is authorized to issue up to an aggregate of 571,428,571 common and preferred shares with a par value of $0.175 per share.

(a) Preferred shares

On June 13, 2016, the Company issued 6,000 shares of its 5.875% Non-Cumulative Preferred Shares, Series A (the “Series A Preferred Shares”) (equivalent to 6,000,000 Depositary Shares, each of which represents a 1/1,000th interest in a Series A Preferred Share), $0.175 par value and $25,000 liquidation preference per share (equivalent to $25 per Depositary Share). The Series A Preferred Shares were registered and sold under the Securities Act of 1933, as amended, and were issued at a price to the public of $25,000 per share (equivalent to $25 per Depositary Share). After underwriting discounts and expenses, the Company received net proceeds of $144,852 which will be used for general corporate purposes.

The Depositary Shares, representing the Series A Preferred Shares, are traded on the New York Stock Exchange under the symbol “VRPRA.” The Series A Preferred Shares have no stated maturity date and are redeemable, in whole or in part, at the Company’s option on and after June 15, 2021, at a redemption price of $25,000 per Series A Preferred Share (equivalent to $25 per Depositary Share), plus declared and unpaid dividends. The Company may also redeem all, but not less than all, of the Series A Preferred Shares before the redemption date at a redemption price of $26,000 per share (equivalent to $26 per Depositary Share), plus declared and unpaid dividends, if the Company is required to submit a proposal to the holders of the Series A Preferred Shares concerning an amalgamation, consolidation, merger or other similar corporate transaction or change in Bermuda law. The Series A Preferred Shares may also be redeemed before the redemption date at a redemption price of $25,000 per Series A Preferred Share (equivalent to $25 per Depositary Share), plus declared and unpaid dividends, in whole, if there is a change in tax law, or in whole or in part, in the case of a capital disqualification event.

Dividends on the Series A Preferred Shares, when, as and if declared by the Company’s Board of Directors or a duly authorized committee thereof, will accrue and be payable on the liquidation preference amount from the original issue date, on a non-cumulative basis, quarterly in arrears on each dividend payment date at an annual rate of 5.875%. The Company will be restricted from paying dividends on and repurchasing its common shares, unless certain dividend payments are made on the Series A Preferred Shares.

F-55

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Upon any voluntary or involuntary liquidation, dissolution or winding up of the Company, holders of the Series A Preferred Shares and any parity shares are entitled to receive out of the Company’s assets available for distribution to shareholders, before any distribution is made to holders of common shares or other junior shares, a liquidating distribution in the amount of $25,000 per Series A Preferred Share (equivalent to $25 per Depositary Share) plus declared and unpaid dividends. Distributions will be made pro rata in accordance with the respective aggregate liquidation preferences of the Series A Preferred Shares and any parity shares and only to the extent of our assets, if any, that are available after satisfaction of all liabilities to creditors.

Holders of the Series A Preferred Shares have no voting rights, except with respect to certain fundamental changes in the terms of the Series A Preferred Shares and in the case of certain dividend non-payments or as otherwise required by Bermuda law or the Company’s bye-laws.

The following table is a summary of the Preferred shares issued and outstanding:

	Preferred Shares
Preferred shares issued and outstanding, beginning of year	—
Preferred shares issued	6,000
Preferred shares issued and outstanding, end of year	6,000

(b) Common shares

The holders of common shares are entitled to receive dividends and are allocated one vote per share, provided that, if the controlled shares of any shareholder or group of related shareholders constitute more than 9.09 percent of the outstanding common shares of the Company, their voting power will be reduced to 9.09 percent.

The Company may from time to time repurchase its securities, including common shares, Junior Subordinated Deferrable Debentures and Senior Notes. On February 3, 2015, the Board of Directors of the Company approved an increase in the Company’s common share repurchase authorization to $750,000. This amount was in addition to the $2,274,401 of common shares repurchased by the Company through February 3, 2015 under its previously authorized share repurchase programs.

The Company has repurchased approximately 80,508,849 common shares for an aggregate purchase price of $2,704,406 from the inception of its share repurchase program to December 31, 2016. The Company had $319,995 remaining under its authorized share repurchase program as of December 31, 2016.

The Company expects the purchases under its share repurchase program to be made from time to time in the open market or in privately negotiated transactions. The timing, form and amount of the share repurchases under the program will depend on a variety of factors, including market conditions, the Company’s capital position relative to internal and rating agency targets, legal requirements and other factors. The repurchase program may be modified, extended or terminated by the Board of Directors at any time.

F-56

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The following table is a summary of the common shares issued and outstanding during the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
	2016		2015		2014
Common shares issued, beginning of year	160,570,772		155,554,224		154,488,497
Restricted share awards vested, net of shares withheld	612,100		614,945		615,659
Restricted share units vested, net of shares withheld	18,486		13,260		10,265
Options exercised	30,530		782,465		412,656
Warrants exercised	—		3,593,715		—
Direct issuance of common stock	—		639		1,380
Performance shares vested, net of shares withheld	48,088		11,524		25,767
Common shares issued, end of year	161,279,976		160,570,772		155,554,224
Treasury shares, end of year	(82,147,724	)	(77,670,155	)	(71,684,379	)
Common shares outstanding, end of year	79,132,252		82,900,617		83,869,845

(c) Warrants

The Company had no outstanding warrants as at both December 31, 2016 and 2015. During the year ended December 31, 2015, 5,154,077 warrants were exercised, while 20,037 warrants expired without being exercised. Each warrant provided the holder with the option to purchase a common share at a specified exercise price. All outstanding warrants expired on December 12, 2015 and no further warrants are anticipated to be issued.

The warrants were settled using either the physical settlement or net-share settlement methods. The warrants have been classified as equity instruments, in accordance with ASC Topic 815 “Derivatives and Hedging, Contracts in Entity’s own Equity.” The warrants were measured at fair value and recorded in additional paid-in capital.

(d) Dividends

The Company announced four quarterly cash dividends of $0.35 per common share during the year ended December 31, 2016 (2015: $0.32). These dividends were paid on March 31, 2016, June 30, 2016, September 30, 2016 and December 30, 2016 to holders of record on March 15, 2016, June 15, 2016, September 15, 2016 and December 15, 2016, respectively.

During the quarter ended September 30, 2016, the Company declared and paid a cash dividend on its outstanding Series A Preferred Shares of $0.3753472 per depositary share for the period June 13, 2016 to September 15, 2016. In addition, during the quarter ended December 31, 2016, the Company declared and paid a cash dividend of $0.3671875 per depositary share. These dividends were paid on September 15, 2016 and December 15, 2016, to holders of record on September 1, 2016 and December 1, 2016, respectively.

18. Stock plans

(a) Long Term Incentive Plan

The Company’s Amended and Restated 2005 Long Term Incentive Plan (“LTIP”) provides for grants to employees of options, stock appreciation rights (“SARs”), restricted shares, restricted share units, performance shares, dividend equivalents or other share-based awards. The total number of shares reserved for issuance under the LTIP are 2,753,292 shares of which 1,251,411 shares are remaining. The LTIP is administered by the Compensation Committee of the Board of Directors. No SARs have been granted to date. Grant prices are established at the fair market value of the Company’s common shares at the date of grant.

(i)    Options

Options may be exercised for voting common shares upon vesting. Options have a life of 10 years and vest either pro rata or at the end of the required service period from the date of grant. Fair value of the option awards at the date of grant is determined using the Black-Scholes option-pricing model.

F-57

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Expected volatility is based on stock price volatility of comparable publicly-traded companies. The Company used the simplified method consistent with U.S. GAAP authoritative guidance on stock compensation expenses to estimate expected lives for options granted during the period as historical exercise data was not available and the options met the requirement as set out in the guidance.

The Company has not granted any stock option awards since September 4, 2009. These stock option awards were fully amortized during the year ended December 31, 2012.

Activity with respect to options for the year ended December 31, 2016 was as follows:

	Options		Weighted Average Grant Date Fair Value		Weighted Average Grant Date Exercise Price		Total Intrinsic Value (a)		Company Proceeds Received
Options outstanding, beginning of year	65,401		$	7.74	$	20.17
Options exercised	(39,265	)	8.37		17.96		$	1,260	$	277
Options outstanding, end of year	26,136		$	6.78	$	23.48

Activity with respect to options for the year ended December 31, 2015 was as follows:

	Options		Weighted Average Grant Date Fair Value		Weighted Average Grant Date Exercise Price		Total Intrinsic Value (a)		Company Proceeds Received
Options outstanding, beginning of year	1,160,057		$	7.12	$	17.74
Options exercised	(1,094,656	)	7.09		17.60		$	26,367	$	6,277
Options outstanding, end of year	65,401		$	7.74	$	20.17

Activity with respect to options for the year ended December 31, 2014 was as follows:

	Options		Weighted Average Grant Date Fair Value		Weighted Average Grant Date Exercise Price		Total Intrinsic Value (a)		Company Proceeds Received
Options outstanding, beginning of year	1,572,713		$	6.66	$	18.88
Options exercised	(412,656	)	5.36		22.07		$	7,459	$	9,107
Options outstanding, end of year	1,160,057		$	7.12	$	17.74

(a) The total intrinsic value in the tables above represent the amount by which the market price of the Company’s common stock is greater than the option strike price multiplied by the number of options exercised during the year.

There have been no unamortized share compensation expenses in respect of options since the year ended December 31, 2012. The aggregate intrinsic value of the options outstanding and exercisable at December 31, 2016 was $831 (December 31, 2015: $1,740).

(ii)    Restricted share awards

Restricted shares granted under the LTIP vest either pro rata or at the end of the required service period and contain certain restrictions during the vesting period, relating to, among other things, forfeiture in the event of termination of employment and transferability. Share compensation expenses of $36,887 were recorded for the year ended December 31, 2016 (2015: $35,386; 2014: $31,335). The expenses represent the proportionate accrual of the fair value of each grant based on the remaining vesting period.

F-58

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Activity with respect to unvested restricted share awards for the years ended December 31, 2016, 2015 and 2014 was as follows:

	Years Ended December 31,
	2016				2015				2014
	Restricted Share Awards		Weighted Average Grant Date Fair Value		Restricted Share Awards		Weighted Average Grant Date Fair Value		Restricted Share Awards		Weighted Average Grant Date Fair Value
Restricted share awards outstanding, beginning of year	2,739,446		$	38.25	2,858,711		$	35.81	2,684,745		$	33.74
Restricted share awards granted	564,345		48.83		724,357		43.67		1,051,348		37.81
Restricted share awards vested	(796,716	)	37.40		(788,758	)	34.41		(797,446	)	31.44
Restricted share awards forfeited	(37,093	)	41.27		(54,864	)	38.14		(79,936	)	36.09
Restricted share awards outstanding, end of year	2,469,982		$	40.89	2,739,446		$	38.25	2,858,711		$	35.81

At December 31, 2016, there were $58,804 (December 31, 2015: $69,143) of total unrecognized share compensation expenses in respect of restricted share awards that are expected to be recognized over a weighted-average period of 2.3 years (December 31, 2015: 2.4 years).

(iii)    Restricted share units

Restricted share units under the LTIP vest either ratably or at the end of the required service period and contain certain restrictions during the vesting period, relating to, among other things, forfeiture in the event of termination of employment and transferability. Share compensation expenses of $1,285 were recorded for the year ended December 31, 2016 (2015: $1,160; 2014: $876). The expenses represent the proportionate accrual of the fair value of each grant based on the remaining vesting period.

Activity with respect to unvested restricted share units for the years ended December 31, 2016, 2015 and 2014 was as follows:

	Years Ended December 31,
	2016				2015				2014
	Restricted Share Units		Weighted Average Grant Date Fair Value		Restricted Share Units		Weighted Average Grant Date Fair Value		Restricted Share Units		Weighted Average Grant Date Fair Value
Restricted share units outstanding, beginning of year	114,337		$	38.47	103,484		$	36.54	66,518		$	33.74
Restricted share units granted	27,609		50.03		28,057		42.91		53,025		38.10
Restricted share units vested	(23,982	)	38.18		(19,455	)	34.58		(18,325	)	30.71
Restricted share units issued in lieu of cash dividends	3,182		39.36		3,143		37.53		2,266		35.00
Restricted share units forfeited	(8,338	)	44.34		(892	)	35.42		—		—
Restricted share units outstanding, end of year	112,808		$	40.95	114,337		$	38.47	103,484		$	36.54

At December 31, 2016, there were $2,542 (December 31, 2015: $2,790) of total unrecognized share compensation expenses in respect of restricted share units that are expected to be recognized over a weighted-average period of 2.6 years (December 31, 2015: 2.6 years).

(iv)    Performance share awards

The performance share awards contain a performance based component. The performance component relates to the compounded growth in the Dividend Adjusted Book Value per Diluted Share (“DBVPS”) over a three year period. For performance share awards granted during the period, the grant date is based on the DBVPS at the end of the most recent financial reporting

F-59

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

year. The performance period end DBVPS will be the DBVPS three years after the grant date DBVPS. The fair value estimate earns over the requisite attribution period and the estimate will be reassessed at the end of each performance period which will reflect any adjustments in the consolidated statements of comprehensive income in the period in which they are determined.

Share compensation expenses of $4,735 were recorded for the year ended December 31, 2016 (2015: $1,795; 2014: $862). The share compensation expenses represent the proportionate accrual of the fair value of each grant based on the remaining vesting period. The negative expense is due to a reversal of expenses on unvested performance share awards based on a review of current and projected performance criteria.

Activity with respect to unvested performance share awards for the years ended December 31, 2016, 2015, and 2014 was as follows:

	Years Ended December 31,
	2016				2015				2014
	Performance Share Awards		Weighted Average Grant Date Fair Value		Performance Share Awards		Weighted Average Grant Date Fair Value		Performance Share Awards		Weighted Average Grant Date Fair Value
Performance share awards outstanding, beginning of year	172,594		$	40.70	106,369		$	36.03	101,820		$	33.56
Performance share awards granted	125,290		48.75		81,569		45.03		52,639		37.33
Performance share awards vested	(57,581	)	36.11		(15,344	)	31.38		(32,746	)	32.62
Performance share awards conversion adjustment	45,517		36.82		—		—		(15,344	)	31.38
Performance share awards outstanding, end of year	285,820		$	44.53	172,594		$	40.70	106,369		$	36.03

At December 31, 2016, there were $6,902 (December 31, 2015: $4,011) of total unrecognized share compensation expenses in respect of performance share awards that are expected to be recognized over a weighted-average period of 2.1 years (December 31, 2015: 2.1 years).

(b) Total share compensation expenses

The breakdown of share compensation expenses by award type is as follows:

	Years Ended December 31,
	2016		2015		2014
Restricted share awards	$	36,887	$	35,386	$	31,335
Restricted share units	1,285		1,160		876
Performance share awards	4,735		1,795		862
Total	$	42,907	$	38,341	$	33,073

In addition, the Company recorded $1,869 of associated tax benefits for the year ended December 31, 2016 (2015: $3,436; 2014: $1,610). The Company also recognized $1,203 of net windfall taxes during the year ended December 31, 2016 (2015: $906; 2014: $3,513) in relation to share vestings and option exercises.

F-60

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

19. Retirement and pension plans

(a) Defined benefit plans

Senior executives and retired selected key employees of Western World participate in non-qualified, unfunded, defined benefit plans. Benefits for these plans are based on final average earnings, social security benefits earned at retirement date and years of service.

The assumptions used to determine net periodic pension expense for the years ended December 31, 2016 and 2015 are as follows:

	Years Ended December 31,
	2016		2015
Discount rate	3.50	%	2.75	%
Increase in compensation levels rate	5.00	%	5.00	%

The assumptions used to determine benefit obligations as at December 31, 2016 and 2015 are as follows:

	December 31, 2016		December 31, 2015
Discount rate	4.00	%	4.00	%
Increase in compensation levels rate	5.00	%	5.00	%

F-61

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The following tables present a reconciliation of the beginning and ending funded status and the net amounts recognized for the defined benefit plans for the years ended December 31, 2016 and 2015:

	Years Ended December 31,
	2016			2015
Change in benefit obligation
Projected benefit obligation, beginning of year	$	15,722		$	16,493
Service cost	1,026			1,024
Interest cost	594			434
Actuarial losses (gains)	1,473			(46		)
Benefit payments	(98		)	(98		)
Settlements	(1,738		)	(2,085		)
Projected benefit obligation, end of year	$	16,979		$	15,722
Change in plan assets
Fair value of plan assets, beginning of year	$	—		$	—
Employer contributions	1,836			2,186
Benefit payments	(98		)	(98		)
Settlements	(1,738		)	(2,088		)
Fair value of plan assets, end of year	—			—
Funded status at end of year	$	(16,979	)	$	(15,722	)
Net amount recognized in accounts payable and accrued expenses	$	(16,979	)	$	(15,722	)
Amounts recognized in accumulated other comprehensive loss consist of
Net loss (gain)	$	226		$	(517	)
Prior service credit	6			4
Net amount recognized	$	232		$	(513	)
	December 31, 2016			December 31, 2015
Projected benefit obligation	$	16,979		$	15,722
Accumulated benefit obligation	$	13,480		$	13,308
Fair value of plan assets	$	—		$	—

F-62

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The components of net periodic pension expense for the years ended December 31, 2016 and 2015 are as follows:

	Years Ended December 31,
	2016			2015
Service cost	$	1,026		$	1,024
Interest cost	594			434
Amortization of prior service cost	(2		)	(2		)
Amortization of net loss	374			312
Net periodic benefit cost	1,992			1,768
Settlement loss	356			484
Net periodic pension expense	$	2,348		$	2,252

Other changes in plan assets and benefit obligations recognized in other comprehensive loss for the years ended December 31, 2016 and 2015 are as follows:

	Years Ended December 31,
	2016			2015
Net loss (gain)	$	1,473		$	(43	)
Amortization of loss	(374		)	(312		)
Amortization of prior service cost	2			2
Settlement loss	(356		)	(484		)
Total recognized in other comprehensive loss	$	745		$	(837	)
Total recognized in net pension expense and other comprehensive loss (before tax effects)	$	3,093		$	1,415

The estimated amount of net loss and prior service cost expected to be amortized from accumulated other comprehensive (loss) income into net periodic pension expense over the next fiscal year is $2.

The employer benefit payments/settlements for the year ended December 31, 2016 were $1,836 (2015: $2,183). As at December 31, 2016, the projected benefits are as follows:

	December 31, 2016
2017	$	2,740
2018	7,072
2019	92
2020	2,665
2021	83
2022-2026	5,449
Total benefit payments required	$	18,101

(b) Other pension plans

The Company provides pension benefits to eligible employees through various plans which are managed externally and sponsored by the Company. The Company’s contributions are expensed as incurred. The Company’s expenses for its defined contribution retirement plans for the years ended December 31, 2016, 2015 and 2014 were $13,419, $13,684 and $10,606, respectively.

F-63

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

20. Debt and financing arrangements

The Company’s financing structure consists of debentures and senior notes payable along with credit and other facilities.

The Company’s outstanding debentures and senior notes payable as at December 31, 2016 and 2015 were as follows:

	December 31, 2016			December 31, 2015
Deferrable debentures
2006 Junior Subordinated	$	150,000		$	150,000
2007 Junior Subordinated	139,800			139,800
Flagstone 2006 Junior Subordinated	133,676			134,118
Flagstone 2007 Junior Subordinated	113,750			113,750
Total debentures payable	537,226			537,668
2010 Senior notes payable	250,000			250,000
Less: Unamortized debt issuance costs	(4,638		)	(4,839		)
Total senior notes payable	245,362			245,161
Total debentures and senior notes payable	$	782,588		$	782,829

The Company’s outstanding credit and other facilities as at December 31, 2016 and 2015 were as follows:

	December 31, 2016				December 31, 2015
	Commitment		Drawn and outstanding		Commitment		Drawn and outstanding
Credit and other facilities
$85,000 syndicated unsecured letter of credit facility	$	85,000	$	—	$	85,000	$	—
$300,000 syndicated secured letter of credit facility	300,000		90,252		300,000		235,540
$24,000 secured bi-lateral letter of credit facility	24,000		4,553		24,000		10,543
$20,000 AlphaCat Re secured letter of credit facility	20,000		20,000		30,000		30,000
$25,000 IPC bi-lateral facility	25,000		5,842		25,000		9,241
$236,000 Flagstone bi-lateral facility	236,000		144,392		236,000		193,764
Total credit and other facilities	$	690,000	$	265,039	$	700,000	$	479,088

F-64

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(a) Senior notes and junior subordinated deferrable debentures

The following table summarizes the key terms of the Company’s senior notes and junior subordinated deferrable debentures:

Description	Issuance date	Amount		Maturity date	Interest Rate as at						Interest payments due
					Issuance Date			December 31, 2016
2006 Junior Subordinated Deferrable Debentures	June 15, 2006	$	150,000	June 15, 2036	9.069	%	(a)	5.831	%	(e)	Quarterly
Flagstone 2006 Junior Subordinated Deferrable Debentures	August 23, 2006	$	133,676	September 15, 2036	3.540	%	(b)	6.463	%	(e)	Quarterly
2007 Junior Subordinated Deferrable Debentures	June 21, 2007	$	200,000	June 15, 2037	8.480	%	(c)	5.180	%	(e)	Quarterly
Flagstone 2007 Junior Subordinated Deferrable Debentures	June 8, 2007	$	88,750	July 30, 2037	3.000	%	(b)	5.900	%	(e)	Quarterly
Flagstone 2007 Junior Subordinated Deferrable Debentures	September 20, 2007	$	25,000	September 15, 2037	3.100	%	(b)	5.983	%	(e)	Quarterly
2010 Senior Notes due 2040	January 26, 2010	$	250,000	January 26, 2040	8.875	%	(d)	8.875	%	(d)	Semi-annually in arrears

(a) Fixed interest rate for 5 years, floating interest rate of three-month LIBOR plus 3.550% thereafter, reset quarterly.

(b) Floating interest rate of three-month LIBOR plus amount stated, reset quarterly.

(c) Fixed interest rate for 5 years, floating interest rate of three-month LIBOR plus 2.950% thereafter, reset quarterly.

(d) Fixed interest rate.

(e) Fixed interest rate as a result of interest rate swap contracts entered into by the Company.

Senior Notes

The 2010 Senior Notes due 2040 (the “2010 Senior Notes”) were part of a registered public offering and mature on January 26, 2040. The Company may redeem the notes, in whole at any time, or in part from time to time, at the Company’s option on not less than 30 nor more than 60 days’ notice, at a make-whole redemption price as described in “Description of the Notes - Optional Redemption” in the 2010 Senior Notes prospectus supplement. In addition, the Company may redeem the notes, in whole, but not in part, at any time upon the occurrence of certain tax events as described in “Description of the Notes - Redemption for Tax Purposes” in the prospectus supplement.

Debt issuance costs are amortized to income over the life of the 2010 Senior Notes and are presented on a net basis within the senior notes payable balance in the Company’s Consolidated Balance Sheets. There were no redemptions made during the year endedDecember 31, 2016 and 2015.

The 2010 Senior Notes are unsecured and unsubordinated obligations of the Company and rank equally in right of payment with all of the Company’s existing and future unsecured and unsubordinated indebtedness. The 2010 Senior Notes will be effectively junior to all of the Company’s future secured debt, to the extent of the value of the collateral securing such debt, and will rank senior to all our existing and future subordinated debt. The 2010 Senior Notes are structurally subordinated to all obligations of the Company’s subsidiaries.

Future payments of principal of $250,000 on the 2010 Senior Notes are all expected to be after 2021.

Junior subordinated deferrable debentures

The Company participated in private placements of junior subordinated deferrable interest debentures due 2036 and 2037 (respectively, the “2006 Junior Subordinated Deferrable Debentures” and “2007 Junior Subordinated Deferrable Debentures”).

Debt issuance costs for the 2006 and 2007 Junior Subordinated Deferrable Debentures were amortized to income over the five year optional redemption periods. They are redeemable at the Company’s option at par. There were no redemptions made during the year endedDecember 31, 2016 and 2015.

F-65

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

As part of the acquisition of Flagstone, the Company assumed junior subordinated deferrable debentures due 2036 and 2037 (respectively, the “Flagstone 2006 Junior Subordinated Deferrable Debentures” and “Flagstone 2007 Junior Subordinated Deferrable Debentures”). These debentures are redeemable quarterly at par. There were no redemptions made during the year endedDecember 31, 2016 and 2015.

Future payments of principal of $537,226 on the debentures discussed above are all expected to be after 2021.

(b) Credit facilities

(i)    $85,000 syndicated unsecured letter of credit facility and $300,000 syndicated secured letter of credit facility

On December 9, 2015, the Company entered into a $85,000five year unsecured facility with various counterparties as co-documentation agents and the lenders party thereto, which provides for letter of credit (“LOC”) and revolving credit availability for the Company (the “Five Year Unsecured Facility”) (the full $85,000 of which is available for LOC’s and/or revolving loans). The Five Year Unsecured Facility was provided by a syndicate of commercial banks. LOC’s under the Five Year Unsecured Facility are available to support obligations in connection with the reinsurance business of the Company and its subsidiaries. Loans under the Five Year Unsecured Facility are available for the general corporate and working capital purposes of the Company. The Company may request that existing lenders under the Five Year Unsecured Facility or prospective additional lenders agree to make available additional commitments from time to time so long as the aggregate commitments under the Five Year Unsecured Facility do not exceed $150,000.

Also on December 9, 2015, the Company entered into a $300,000five year secured credit facility, with the same parties, which provides for LOC availability for the Company (the “Five Year Secured Facility” and together with the Five Year Unsecured Facility, the “Credit Facilities”). The Five Year Secured Facility was also provided by a syndicate of commercial banks. LOC’s under the Five Year Secured Facility will be available to support obligations in connection with the reinsurance business of the Company and its subsidiaries. The Company may request that existing lenders under the Five Year Secured Facility or prospective additional lenders agree to make available additional commitments from time to time so long as the aggregate commitments under the Five Year Secured Facility do not exceed $400,000. The obligations of the Company under the Five Year Secured Facility are secured by cash and securities deposited into cash collateral accounts from time to time with The Bank of New York Mellon.

As of December 31, 2016, there was $nil (December 31, 2015: $nil) of outstanding LOC’s under the Five Year Unsecured Facility and $90,252 (December 31, 2015: $235,540) of outstanding LOC’s under the Five Year Secured Facility.

The Credit Facilities contain covenants that include, among other things (i) the requirement that the Company initially maintain a minimum level of consolidated net worth of at least $2,600,000 and, commencing with the end of the fiscal quarter ending June 30, 2015, to be increased quarterly by an amount equal to 25.0% of the Company’s consolidated net income (if positive) for such quarter plus 50.0% of the aggregate increases in the consolidated shareholders’ equity of the Company during such fiscal quarter by reason of the issuance and sale of common equity interests of the Company, including upon any conversion of debt securities of the Company into such equity interests, (ii) the requirement that the Company maintain at all times a consolidated total debt to consolidated total capital ratio not greater than 0.35:1.00, and (iii) the requirement that Validus Reinsurance, Ltd. and any other material insurance subsidiaries maintain a financial strength rating by A.M. Best of not less than “B++” (Fair). In addition, the Credit Facilities contain customary negative covenants applicable to the Company, including limitations on the ability to pay dividends and other payments in respect of equity interests at any time that the Company is otherwise in default with respect to certain provisions under the respective Credit Facilities, limitations on the ability to incur liens, sell assets, merge or consolidate with others, enter into transactions with affiliates, and limitations on the ability of its subsidiaries to incur indebtedness. The Credit Facilities also contain customary affirmative covenants, representations and warranties and events of default for credit facilities of its type. As of December 31, 2016, and throughout the reporting periods presented, the Company was in compliance with all covenants and restrictions under the Credit Facilities.

(ii)    $25,000 IPC bi-lateral facility

The Company assumed an existing evergreen LOC facility through the acquisition of IPC Holdings, Ltd. (the “IPC bi-lateral facility”). As of December 31, 2016, there were $5,842 of outstanding LOC’s issued under the IPC bi-lateral facility (December 31, 2015: $9,241). As of December 31, 2016, and throughout the reporting periods presented, the Company was in compliance with all covenants and restrictions under the IPC bi-lateral facility.

F-66

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(iii)    $24,000 secured bi-lateral letter of credit facility

The Company is party to an evergreen secured bi-lateral LOC facility with Citibank Europe plc (the “Secured bi-lateral LOC facility”). As of December 31, 2016, $4,553 (December 31, 2015: $10,543) of LOC’s were outstanding under the Secured bi-lateral LOC facility. The Secured bi-lateral LOC facility has no fixed termination date and as of December 31, 2016, and throughout the reporting periods presented, the Company was in compliance with all covenants and restrictions under the Secured bi-lateral LOC facility.

(iv)    $20,000 AlphaCat Re secured letter of credit facility

During 2013, AlphaCat Re entered into a secured evergreen LOC facility with Comerica Bank. This facility provided for LOC’s issued by AlphaCat Re to be used to support its reinsurance obligations. During the second quarter of 2016 the available amount under this facility was reduced to $20,000 from $30,000. As of December 31, 2016, $20,000 (December 31, 2015: $30,000) of LOC’s were outstanding under this facility. As of December 31, 2016, and throughout the reporting periods presented, AlphaCat Re was in compliance with all covenants and restrictions under the AlphaCat Re secured LOC facility.

(v)    $236,000 Flagstone bi-lateral facility

As part of the acquisition of Flagstone, the Company assumed an evergreen LOC Master Agreement between Citibank Europe plc and Flagstone Reassurance Suisse, S.A. (the “Flagstone Bi-Lateral Facility”). As of December 31, 2016, the Flagstone Bi-Lateral Facility had $144,392 (December 31, 2015: $193,764) of LOC’s issued and outstanding. As of December 31, 2016, and throughout the reporting periods presented, the Company was in compliance with all covenants and restrictions under the Flagstone Bi-Lateral Facility.

(vi)    Investments and cash pledged as collateral

The Company has pledged investments and cash as collateral under the Company’s credit facilities in the total amount of $442,184 (December 31, 2015: $826,535) as detailed in the table below:

	December 31, 2016		December 31, 2015
$300,000 syndicated secured letter of credit facility	$	157,597	$	370,909
$24,000 secured bi-lateral letter of credit facility	48,097		47,607
$20,000 AlphaCat Re secured letter of credit facility	20,032		30,153
$236,000 Flagstone bi-lateral facility	216,458		377,866
Total	$	442,184	$	826,535

F-67

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(c) Finance expenses

Finance expenses consist of interest on the junior subordinated deferrable debentures and senior notes, the amortization of debt offering costs, credit facility fees, bank charges, Talbot Funds at Lloyds (“FAL”) facility costs, AlphaCat financing fees and other charges as follows:

	Years Ended December 31,
	2016		2015		2014
2006 Junior Subordinated Deferrable Debentures	$	8,893	$	8,868	$	8,868
2007 Junior Subordinated Deferrable Debentures	7,362		7,341		7,341
Flagstone 2006 Junior Subordinated Deferrable Debentures	9,028		8,989		9,001
Flagstone 2007 Junior Subordinated Deferrable Debentures	7,100		7,123		7,129
2010 Senior Notes due 2040	22,388		22,388		22,388
Credit facilities	2,060		6,006		5,516
Bank charges, Talbot FAL facility and other charges (a)	504		4,592		4,536
AlphaCat fees (b)	1,185		9,435		3,545
Total finance expenses	$	58,520	$	74,742	$	68,324

(a) On November 30, 2015, the Company terminated its Talbot FAL Facility provided and arranged by Lloyds Bank plc and ING Bank N.V., London Branch.

(b) Includes finance expenses incurred by AlphaCat Managers in relation to fund raising for the AlphaCat sidecars, the AlphaCat ILS funds and AlphaCat direct.

21. Income taxes

The Company provides for income taxes based upon amounts reported in the financial statements and the provisions of currently enacted tax laws. The Company is registered in Bermuda and is subject to Bermuda law with respect to taxation. Under current Bermuda law, the Company is not taxed on any Bermuda income or capital gains and has received an undertaking from the Bermuda Minister of Finance that, in the event of any Bermuda income or capital gains taxes being imposed, the Company will be exempt from such taxes until March 31, 2035.

The Company has subsidiaries and branches with operations in several jurisdictions outside Bermuda, including but not limited to the U.K., U.S., Switzerland and Canada that are subject to relevant taxes in those jurisdictions. Within Note 26, “Segment information,” gross premiums written are allocated to the territory of coverage exposure and therefore do not correlate to pre-tax income generated in any of the territories identified.

The Company’s income (loss) before income taxes for the years ended December 31, 2016, 2015 and 2014 was generated in the following domestic and foreign jurisdictions:

	Years Ended December 31,
	2016			2015			2014
Domestic
Bermuda	$	447,257		$	470,454		$	518,476
Foreign
U.K.	4,308			13,621			10,824
U.S.	4,038			(4,176		)	(11,752		)
Switzerland	(1,084		)	2,276			9,941
Canada	2,599			493			2,773
Other	33,736			(2,074		)	29,076
Total income before income taxes	$	490,854		$	480,594		$	559,338

F-68

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Income tax (benefit) expense is comprised of both current and deferred tax attributable to U.S. and Non-U.S. jurisdictions as follows:

	Years Ended December 31,
	2016			2015			2014
Current income tax expense
U.S.	$	2,042		$	739		$	21,257
Non-U.S.	711			6,028			26,179
Total current income tax expense	$	2,753		$	6,767		$	47,436
Deferred income tax (benefit) expense
U.S.	$	(3,487	)	$	1,360		$	(24,998	)
Non-U.S.	(18,995		)	(1,751		)	(22,283		)
Total deferred income tax benefit	$	(22,482	)	$	(391	)	$	(47,281	)
Total income tax (benefit) expense
U.S.	$	(1,445	)	$	2,099		$	(3,741	)
Non-U.S.	(18,284		)	4,277			3,896
Total income tax (benefit) expense	$	(19,729	)	$	6,376		$	155

The table below is a reconciliation of the actual income tax (benefit) expense for the years ended December 31, 2016, 2015 and 2014 to the amount computed by applying the effective tax rate of 0% under Bermuda law to income before taxes:

	Years Ended December 31,
	2016			2015			2014
Expected tax expense at Bermuda statutory rate of 0%	$	—		$	—		$	—
Foreign tax rate differential	11,394			6,462			7,993
Changes in valuation allowance	(36,990		)	9,830			(7,284		)
Tax exempt income and expenses not deductible	(1,960		)	393			(6,055		)
Share compensation tax windfall	1,203			906			3,513
Impact of enacted changes in tax rates	8,931			69			250
Prior years tax adjustments	(5,199		)	(12,272		)	666
Other	2,892			988			1,072
Actual income tax (benefit) expense	$	(19,729	)	$	6,376		$	155

Deferred tax assets and liabilities primarily represent the tax effect of temporary differences between the carrying value of assets and liabilities for financial statement purposes and such values as measured by tax laws and regulations in countries in which the operations are taxable. Deferred tax assets may also represent the tax effect of tax losses carried forward.

In assessing whether a deferred tax asset can be recovered and assessing the need for a valuation allowance, the Company considers all positive and negative evidence to determine whether it is more-likely-than-not that the tax benefit of part or all of a deferred tax asset will be realized. The Company’s framework for assessing the recoverability of deferred tax assets primarily considers taxable income in prior carryback years when permitted by law, future reversal of existing taxable temporary differences, available tax planning strategies and the expected occurrence of future taxable income. The weighting of the positive and negative evidence is commensurate with the extent to which they can be objectively verified.

F-69

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

Significant components of the Company’s deferred tax assets and liabilities as at December 31, 2016 and 2015 were as follows:

	December 31, 2016			December 31, 2015
Deferred tax asset
Tax losses carried forward	$	116,416		$	167,929
Deferred compensation	6,915			7,504
Deferred interest expense	2,039			2,047
Tax credits carried forward	5,469			2,761
Discounting of loss reserves	9,938			11,882
Unearned premiums reserve	6,647			4,291
Pension	5,943			5,503
Lloyd’s underwriting loss deductible in future periods	581			47
Other	4,943			4,111
Deferred tax asset, gross of valuation allowance	158,891			206,075
Valuation allowance	(98,065		)	(167,929		)
Net deferred tax asset	$	60,826		$	38,146
Deferred tax liability
Deferred acquisition costs	4,633			1,989
Intangibles	7,583			8,111
Unrealized appreciation on investments	3,179			7,073
Properties and fixed assets	2,593			2,044
Other	2,640			1,115
Deferred tax liability	20,628			20,332
Net deferred tax asset	$	40,198		$	17,814

The movement in deferred tax asset on tax losses carried forward and related valuation allowance from December 31, 2015 to December 31, 2016 can be explained as follows:

	Deferred Tax Asset on Tax Losses Carried Forward			Valuation Allowance
Balance as at December 31, 2015	$	167,929		$	(167,929	)
Movement due to use of tax losses carried forward	(10,990		)	10,990
Movement due to provision to return adjustments	1,108			(1,108		)
Movement due to changes in enacted tax rates	(8,757		)	8,757
Movement due to change in assessment of deferred tax asset recoverability	—			18,351
Forfeiture of tax losses carried forward	(32,927		)	32,927
Other	53			(53		)
Balance as at December 31, 2016	$	116,416		$	(98,065	)

F-70

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The movement of $10,990 represents the tax benefit from the use of tax losses carried forward where a full valuation allowance was provided (Luxembourg: $6,722; U.S.: $3,066; and Singapore: $1,202). The movement of $1,108 represents prior year adjustments reflecting tax losses carried forward as per tax returns filed. The movement of $8,757 reflects the impact of enacted changes in income tax rates under Luxembourg law. The change in valuation allowance of $18,351 is due to the partial release of a valuation allowance which had previously been applied against a deferred tax asset related to carried forward Luxembourg tax losses acquired as part of the Flagstone acquisition. As of December 31, 2016, the Company believes, after review of all available positive and negative evidence, that it is more-likely-than-not to have sufficient future taxable income to realize a portion of that deferred tax asset. As such, the Company has recorded a partial release of the previously held valuation allowance resulting in a current year tax benefit. The tax effect from forfeiture of tax losses carried forward of $32,927 primarily results from $18,438 related to the closure of certain Luxembourg operations and $14,489 attributable to the reduction of Swiss tax losses associated with the application of non-taxable income of Validus Re Swiss’ Bermuda Branch in accordance with Swiss law.

As at December 31, 2016, the Company had net operating and capital losses carried forward, inclusive of cumulative currency translation adjustments, as follows:

Tax Jurisdiction	Losses carried forward		Tax effect		Expiration
U.S.	$	11,195	$	3,918	2029 - 2035
Switzerland	$	157,512	$	33,078	2018 - 2020
Luxembourg	$	300,121	$	78,310	None
Singapore	$	11,090	$	1,109	None

The valuation allowance as at December 31, 2016 of $98,065 (2015: $167,929) relates to tax losses carried forward of subsidiaries primarily in Luxembourg, Switzerland, Singapore and the U.S. The Company believes it is necessary to maintain a full valuation allowance against the deferred tax assets related to tax losses carried forward in Switzerland, Singapore and the U.S. after review of all available positive and negative evidence, including uncertainty regarding the ability of the concerned operations to generate future taxable income to utilize the losses carried forward and realize the deferred tax assets. The weighting of the positive and negative evidence is commensurate with the extent to which they can be objectively verified.

As mentioned above, a partial release of $18,351 of the valuation allowance previously held against a deferred tax asset related to tax losses carried forward in Luxembourg was recorded as of December 31, 2016. The Company believes, after review of all positive and negative evidence, it is now more-likely-than-not to have sufficient future taxable income to realize a portion of that deferred tax asset.

The Company will continue to monitor all available positive and negative evidence, including its expectations for future taxable income in the relevant jurisdictions, in relation to the recoverability of its existing deferred tax balances. If the Company’s positive evidence continues to develop favorably in the foreseeable future, it is possible that further releases of the valuation allowances related to deferred tax asset balances will occur.

As at December 31, 2016 and 2015, the Company had no accrued liabilities for tax, interest and penalties relating to uncertain tax positions. Interest and penalties related to uncertain tax positions would be recognized in income tax expense.

The Company has undistributed earnings in several foreign subsidiaries. If such earnings were to be distributed, as dividends or otherwise, they may be subject to income and withholding taxes. As a general rule, the Company intends to only distribute earnings that can be distributed in a tax free manner and indefinitely reinvest any other earnings. Determination of the amount of unrecognized deferred tax liability related to these earnings is currently not practicable due to the different possible methods for repatriating earnings.

As at December 31, 2016, the Company had no open examinations by local tax authorities. The Company has open tax years that are potentially subject to examinations by local tax authorities in the following major tax jurisdictions: the U.K., 2015 and 2016; the U.S., 2013 to 2016; Switzerland, 2012 to 2016; and Canada, 2012 to 2016.

F-71

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

22. Accumulated other comprehensive (loss) gain

The changes in accumulated other comprehensive (loss) gain, by component for the years ended December 31, 2016, 2015 and 2014 are as follows:

	Year Ended December 31, 2016
	Foreign currency translation adjustment			Minimum pension liability			Cash flow hedge			Total
Balance, net of tax, beginning of year	$	(11,834	)	$	334		$	(1,069	)	$	(12,569	)
Other comprehensive (loss) gain, net of tax	(10,440		)	(484		)	277			(10,647		)
Balance, net of tax, end of year	$	(22,274	)	$	(150	)	$	(792	)	$	(23,216	)
	Year Ended December 31, 2015
	Foreign currency translation adjustment			Minimum pension liability			Cash flow hedge			Total
Balance, net of tax, beginning of year	$	(8,118	)	$	(210	)	$	(228	)	$	(8,556	)
Other comprehensive (loss) gain, net of tax	(3,716		)	544			(841		)	(4,013		)
Balance, net of tax, end of year	$	(11,834	)	$	334		$	(1,069	)	$	(12,569	)
	Year Ended December 31, 2014
	Foreign currency translation adjustment			Minimum pension liability			Cash flow hedge			Total
Balance, net of tax, beginning of year	$	(617	)	$	—		$	—		$	(617	)
Other comprehensive loss, net of tax	(7,501		)	(210		)	(228		)	(7,939		)
Balance, net of tax, end of year	$	(8,118	)	$	(210	)	$	(228	)	$	(8,556	)

F-72

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

23. Commitments and contingencies

(a) Concentrations of credit risk

The Company underwrites a significant amount of its reinsurance business through three particular brokers as set out below. There is credit risk associated with payments of insurance and reinsurance balances to the Company if these brokers are unable to fulfill their contractual obligations. These companies are large, well established, and there are no indications they are financially distressed. There was no other broker or party insured or reinsured that accounted for more than 10% of gross premiums written for the periods mentioned.

The following table shows the percentage of gross premiums written by broker for the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
	2016		2015		2014
Marsh & McLennan Companies, Inc.	28.8	%	28.2	%	28.5	%
Aon Benfield Group Ltd.	16.2	%	15.5	%	20.0	%
Willis Towers Watson plc	14.1	%	14.3	%	18.0	%

(b) Employment agreements

The Company has entered into employment agreements with certain individuals that provide for executive benefits and severance payments under certain circumstances.

(c) Operating leases

The Company leases office space and office equipment under operating leases. Total rent expense with respect to these operating leases for the year ended December 31, 2016 was approximately $9,761 (2015: $10,143, 2014: $10,540). Future minimum lease commitments are as follows:

	December 31, 2016
2017	$	11,878
2018	12,214
2019	11,958
2020	11,059
2021	10,316
2022 and thereafter	46,418
Total	$	103,843

(d) Funds at Lloyd’s

Talbot operates in Lloyd’s through a corporate member, Talbot 2002 Underwriting Capital Ltd (“T02”), which is the sole participant in Syndicate 1183. Lloyd’s sets T02’s required capital annually based on Syndicate 1183’s business plan, rating environment and reserving environment together with input arising from Lloyd’s discussions with, inter alia, regulatory and rating agencies. Such capital, called Funds at Lloyd’s (“FAL”), comprises cash and investments. The Company provided FAL in the amount of $583,600 for the 2017 underwriting year (2016: $617,000).

The amounts which are provided as FAL are not available for distribution to the Company for the payment of dividends. Talbot’s corporate member may also be required to maintain funds under the control of Lloyd’s in excess of its capital requirement and such funds also may not be available for distribution to the Company for the payment of dividends.

F-73

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

(e) Lloyd’s Central Fund

Whenever a member of Lloyd’s is unable to pay its debts to policyholders, such debts may be payable by the Lloyd’s Central Fund. If Lloyd’s determines that the Central Fund needs to be increased, it has the power to assess premium levies on current Lloyd’s members up to 3% of a member’s underwriting capacity in any one year. The Company does not believe that any assessment is likely in the foreseeable future and has not provided any allowance for such an assessment. However, based on the Company’s 2017 estimated premium income at Lloyd’s of £600,000, at December 31, 2016 exchange rate of £1 equals $1.23 and assuming the maximum 3% assessment, the Company would be assessed approximately $22,140.

(f) Investment affiliate commitments

As discussed in Note 7, “Investments,” on December 20, 2011 the Company entered into an Assignment and Assumption Agreement with Aquiline Capital Partners LLC, pursuant to which it assumed total capital commitments of $50,000. The Company’s remaining commitment at December 31, 2016 was $1,700 (December 31, 2015: $3,413).

On October 2, 2014, the Company assumed an additional investment in Aquiline Capital Partners II GP (Offshore) Ltd. as part of the Western World acquisition representing a total capital commitment of $10,000. The Company’s remaining capital commitment at December 31, 2016 was $340 (December 31, 2015: $683).

On November 7, 2014, the Company entered into a Subscription Agreement with Aquiline Capital Partners III GP (Offshore) Ltd., pursuant to which it assumed total capital commitments of $100,000 in respect of Limited Partnership Interests in Aquiline Financial Services Fund III L.P. (the “Fund”). The Company’s remaining commitment at December 31, 2016 was $62,031 (December 31, 2015: $86,110).

(g) AlphaCat commitments

On December 29, 2014, the Company entered into an agreement with an AlphaCat ILS fund pursuant to which it assumed total capital commitments of $20,000. On December 29, 2015, the Company assumed an additional capital commitment of $20,000. The Company’s remaining unfunded capital commitment at December 31, 2016 was $nil (December 31, 2015: $10,000).

On December 30, 2015, the Company entered into an agreement with another AlphaCat ILS fund pursuant to which it assumed total capital commitments of $25,000. The Company’s remaining unfunded capital commitment at December 31, 2016 was $nil (December 31, 2015: $9,536). On December 30, 2016, a portion of the Company’s initial investment was returned and the Company assumed an additional capital commitment of $25,000. The Company’s remaining unfunded capital commitment on the additional investment at December 31, 2016 was $10,000.

(h) Fixed maturity commitments

At December 31, 2016, the Company had an outstanding commitment to participate in certain secured loan facilities through participation agreements with an established loan originator. The undrawn amount under the revolver facility participations as at December 31, 2016 was $28,499 (December 31, 2015: $34,888).

(i) Other investment commitments

At December 31, 2016, the Company had capital commitments in certain other investments of $308,000 (December 31, 2015: $263,000). The Company’s remaining unfunded capital commitment to these investments at December 31, 2016 was $156,134 (December 31, 2015: $185,548).

(j) Structured settlements

As at December 31, 2016, the Company is contingently liable for the present value of amounts not yet due under annuities purchased by Western World where the claimant is the payee for the amount of $3,186 (December 31, 2015: $3,108).

F-74

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

24. Related party transactions

The transactions listed below are classified as related party transactions as principals and/or directors of each counterparty are members of the Company’s board of directors.

(a) Aquiline Capital Partners LLC (“Aquiline Capital”)

Group Ark Insurance

Pursuant to reinsurance agreements with a subsidiary of Group Ark Insurance Holdings Ltd. (“Group Ark”), the Company recognized gross premiums written during the year endedDecember 31, 2016 of $3,157 (2015: $2,718; 2014: $2,073) with $292 included in premiums receivable at December 31, 2016 (December 31, 2015: $82). The Company also recognized reinsurance premiums ceded during the year endedDecember 31, 2016 of $40 (2015: $24; 2014: $126) and had reinsurance balances payable of $nil at December 31, 2016 (December 31, 2015: $4). The Company recorded $798 of loss reserves recoverable at December 31, 2016 (December 31, 2015: $790) and earned premium adjustments of $3,115 were recorded during the year endedDecember 31, 2016 (2015: $2,833; 2014: $1,982).

Until July 2016, Aquiline Capital were shareholders of Group Ark. Christopher E. Watson, a director of the Company and senior principal of Aquiline Capital, serves as a director of Group Ark.

Wellington

Pursuant to reinsurance agreements with a subsidiary of Wellington Insurance Company (“Wellington”), the Company recognized gross premiums written during the year endedDecember 31, 2016 of $2,860 (2015 and 2014: $nil) with $666 included in premiums receivable at December 31, 2016 (December 31, 2015: $nil). The Company also recognized earned premium adjustments during the year endedDecember 31, 2016 of $2,603 (2015 and 2014: $nil). Aquiline Capital are shareholders of Wellington and Christopher E. Watson, a director of the Company and senior principal of Aquiline Capital, serves as a director of Wellington.

Conning

On November 24, 2009, the Company entered into an Investment Management Agreement with Conning, Inc. (“Conning”) to manage a portion of the Company’s investment portfolio. Aquiline Capital acquired Conning on June 16, 2009. Jeffrey W. Greenberg, a director of the Company, serves as a director of Conning Holdings Corp., the parent company of Conning. During the third quarter of 2015, Aquiline Capital disposed of its investment in Conning resulting in it no longer being a related party with effect from September 30, 2015. Investment management fees earned by Conning for the years endedDecember 31, 2015 and 2014 were $841 and $1,125, respectively.

Aquiline II

On December 20, 2011, the Company entered into an Agreement with Aquiline Capital and Aquiline II General Partner pursuant to which the Company has assumed 100% of Aquiline Capital’s interest in the Aquiline II Partnership representing a total capital commitment of $50,000 (the “Aquiline II Commitment”), as a limited partner in the Partnership (the “Transferred Interest”). On October 2, 2014, the Company assumed an additional investment in the Aquiline II Partnership as part of the Western World acquisition representing a total capital commitment of $10,000. Messrs. Greenberg and Watson, directors of the Company, serve as managing principal and senior principal, respectively, of Aquiline Capital.

For the year endedDecember 31, 2016, the Company incurred partnership fees of $843 (2015: $1,519; 2014: $410) and, for the years endedDecember 31, 2016, 2015 and 2014, had net capital (distributions) contributions of ($9,032), $6,093 and $12,468, respectively.

Aquiline III

On November 7, 2014, the Company entered into a Subscription Agreement with the Aquiline III General Partner pursuant to which the Company committed and agreed to purchase limited partnership or other comparable limited liability equity interests (the “Limited Partnership Interests”) in the “Aquiline III Partnership, and/or one or more Alternative Investment Vehicles and Intermediate Entities (together with the Aquiline III Partnership, the “Fund” or the “Entities”) with a capital commitment (the “Aquiline III Commitment”) in an amount equal to $100,000, as a limited partner in the Aquiline III Partnership.

F-75

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

For the year endedDecember 31, 2016, the Company incurred partnership fees of $2,031 (2015: $1,814; 2014: $nil) and, for the years endedDecember 31, 2016, 2015 and 2014, made net capital contributions of $23,873 and $13,793 and $nil, respectively.

(b)    Other

Certain shareholders of the Company and their affiliates, as well as employees of entities associated with directors and officers may have purchased insurance and/or reinsurance from the Company in the ordinary course of business. The Company does not believe these transactions to be material.

25. Earnings per share

The following table sets forth the computation of basic earnings per share and earnings per diluted share available to common shareholders for the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
	2016		2015			2014
Basic earnings per share
Net income available to Validus common shareholders	$	359,384	$	374,893		$	479,963
Less: Dividends on outstanding warrants	—		(3,566		)	(6,208		)
Net income allocated to Validus common shareholders	$	359,384	$	371,327		$	473,755
Weighted average number of common shares outstanding	81,041,974		83,107,236			90,354,745
Basic earnings per share available to Validus common shareholders	$	4.43	$	4.47		$	5.24
Earnings per diluted share
Net income available to Validus common shareholders	$	359,384	$	374,893		$	479,963
Less: Dividends on outstanding warrants	—		—			—
Net income allocated to Validus common shareholders	$	359,384	$	374,893		$	479,963
Weighted average number of common shares outstanding	81,041,974		83,107,236			90,354,745
Share equivalents:
Warrants	—		2,090,248			2,789,032
Stock options	28,196		151,867			745,561
Unvested restricted shares	1,289,290		1,077,409			800,933
Weighted average number of diluted common shares outstanding	82,359,460		86,426,760			94,690,271
Earnings per diluted share available to Validus common shareholders	$	4.36	$	4.34		$	5.07

Share equivalents that would result in the issuance of common shares of 133,810, 167,417 and 199,740 were outstanding for the years ended December 31, 2016, 2015 and 2014, respectively but were not included in the computation of earnings per diluted share because the effect would be antidilutive.

F-76

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

26. Segment information

The Company conducts its operations worldwide through four operating segments, which have been determined under ASC Topic 280 “Segment Reporting” to be Validus Re, Talbot, Western World and AlphaCat. The Company’s operating segments are strategic business units that offer different products and services. They are managed and have capital allocated separately because each segment undertakes different strategies.

A description of each of the Company’s operating segments and its corporate and investments function is as follows:

Validus Re Segment

The Validus Re segment is focused primarily on treaty reinsurance. The primary lines in which the segment conducts business are property, marine and specialty which includes agriculture, aerospace and aviation, financial lines of business, nuclear, terrorism, life, accident & health, workers’ compensation, crisis management, contingency, technical lines, composite, trade credit and casualty.

Talbot Segment

The Talbot segment is focused on a wide range of marine and energy, political lines, commercial property, financial lines, contingency, accident & health and aviation classes of business on an insurance or facultative reinsurance basis and principally property, aerospace and marine classes of business on a treaty reinsurance basis.

Western World Segment

The Western World segment is focused on providing commercial insurance products on a surplus lines and specialty admitted basis. Western World specializes in underwriting classes of business that are not easily placed in the standard insurance market due to their complexity, high hazard, or unusual nature; including general liability, property and professional liability classes of business.

AlphaCat Segment

The AlphaCat segment leverages the Company’s underwriting and analytical expertise and earns management and performance fees from the Company and other third party investors primarily through the AlphaCat ILS funds and sidecars.

Corporate and Investments

The Company has a corporate and investments function (“Corporate and Investments”), which includes the activities of the parent company, and which carries out certain functions for the group, including investment management. Corporate and Investments includes investment income on a managed basis and other non-segment expenses, predominantly general and administrative, stock compensation and finance expenses. Corporate and Investments also denotes the activities of certain key executives such as the Chief Executive Officer and Chief Financial Officer. For internal reporting purposes, Corporate and Investments is reflected separately; however, it is not considered an operating segment under these circumstances. Other reconciling items include, but are not limited to, the elimination of certain inter segment revenues and expenses and other items that are not allocated to the operating segments.

Underwriting income and the AlphaCat asset manager view are non-GAAP financial measures. A reconciliation of segmental income to net income available to Validus is included in the tables below.

F-77

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The following tables summarize the results of our operating segments and “Corporate and Investments”:

	Years Ended December 31,
Validus Re Segment Information	2016			2015			2014
Underwriting revenues
Gross premiums written	$	1,111,054		$	1,126,759		$	1,118,532
Reinsurance premiums ceded	(111,564		)	(149,088		)	(163,678		)
Net premiums written	999,490			977,671			954,854
Change in unearned premiums	(55,545		)	12,542			(37,570		)
Net premiums earned	943,945			990,213			917,284
Other insurance related (loss) income	(55		)	3,575			3,159
Total underwriting revenues	943,890			993,788			920,443
Underwriting deductions
Losses and loss expenses	411,488			457,976			307,290
Policy acquisition costs	181,040			166,387			141,670
General and administrative expenses	72,770			78,428			74,739
Share compensation expenses	11,034			10,350			9,739
Total underwriting deductions	676,332			713,141			533,438
Underwriting income	$	267,558		$	280,647		$	387,005
Selected ratios:
Ratio of net to gross premiums written	90.0		%	86.8		%	85.4		%
Losses and loss expense ratio	43.6		%	46.2		%	33.5		%
Policy acquisition cost ratio	19.2		%	16.8		%	15.5		%
General and administrative expense ratio (a)	8.8		%	9.0		%	9.2		%
Expense ratio	28.0		%	25.8		%	24.7		%
Combined ratio	71.6		%	72.0		%	58.2		%

(a) The general and administrative expense ratio includes share compensation expenses.

F-78

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

	Years Ended December 31,
Talbot Segment Information	2016			2015			2014
Underwriting revenues
Gross premiums written	$	970,702		$	1,018,835		$	1,101,770
Reinsurance premiums ceded	(175,729		)	(198,896		)	(192,211		)
Net premiums written	794,973			819,939			909,559
Change in unearned premiums	(13,057		)	18,152			(29,785		)
Net premiums earned	781,916			838,091			879,774
Other insurance related income	455			851			1,095
Total underwriting revenues	782,371			838,942			880,869
Underwriting deductions
Losses and loss expenses	424,946			347,322			423,394
Policy acquisition costs	177,127			187,535			187,162
General and administrative expenses	134,479			155,306			150,828
Share compensation expenses	13,078			12,373			11,346
Total underwriting deductions	749,630			702,536			772,730
Underwriting income	$	32,741		$	136,406		$	108,139
Selected ratios:
Ratio of net to gross premiums written	81.9		%	80.5		%	82.6		%
Losses and loss expense ratio	54.3		%	41.4		%	48.1		%
Policy acquisition cost ratio	22.7		%	22.4		%	21.3		%
General and administrative expense ratio (a)	18.9		%	20.0		%	18.4		%
Expense ratio	41.6		%	42.4		%	39.7		%
Combined ratio	95.9		%	83.8		%	87.8		%

(a) The general and administrative expense ratio includes share compensation expenses.

F-79

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

	Years Ended December 31,
Western World Segment Information	2016			2015			2014 (a)
Underwriting revenues
Gross premiums written	$	323,220		$	278,504		$	65,235
Reinsurance premiums ceded	(22,634		)	(18,877		)	(6,428		)
Net premiums written	300,586			259,627			58,807
Change in unearned premiums	(27,354		)	(977		)	14,189
Net premiums earned	273,232			258,650			72,996
Other insurance related income	912			1,044			264
Total underwriting revenues	274,144			259,694			73,260
Underwriting deductions
Losses and loss expenses	183,812			171,878			51,035
Policy acquisition costs	64,442			41,408			3,169
General and administrative expenses	43,280			38,715			11,121
Share compensation expenses	2,543			2,083			135
Total underwriting deductions	294,077			254,084			65,460
Underwriting (loss) income	$	(19,933	)	$	5,610		$	7,800
Selected ratios:
Ratio of net to gross premiums written	93.0		%	93.2		%	90.1		%
Losses and loss expense ratio	67.3		%	66.4		%	69.9		%
Policy acquisition cost ratio	23.5		%	16.0		%	4.4		%
General and administrative expense ratio (b)	16.8		%	15.8		%	15.4		%
Expense ratio	40.3		%	31.8		%	19.8		%
Combined ratio	107.6		%	98.2		%	89.7		%

(a) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

(b) The general and administrative expense ratio includes share compensation expenses.

F-80

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

	Years Ended December 31,
AlphaCat Segment Information (a)	2016			2015			2014
Revenues
Third party	$	18,771		$	19,661		$	18,667
Related party	3,329			5,309			7,467
Total revenues	22,100			24,970			26,134
Expenses
General and administrative expenses	10,233			12,115			10,134
Share compensation expenses	249			580			501
Finance expenses	947			9,312			3,417
Tax expenses	90			—			—
Foreign exchange losses (gains)	19			(16		)	(20		)
Total expenses	11,538			21,991			14,032
Income before investment income from AlphaCat Funds and Sidecars	10,562			2,979			12,102
Investment income (loss) from AlphaCat Funds and Sidecars (b)
AlphaCat Re & Master Fund	—			—			(1,377		)
AlphaCat Sidecars	607			5,504			10,525
AlphaCat ILS Funds - Lower Risk	8,901			7,491			7,974
AlphaCat ILS Funds - Higher Risk	7,471			8,428			8,754
BetaCat ILS Funds	3,623			1,702			(51		)
PaCRe	(23		)	(3,949		)	(4,340		)
Total investment income from AlphaCat Funds and Sidecars	20,579			19,176			21,485
Validus’ share of AlphaCat income	$	31,141		$	22,155		$	33,587
Supplemental information:
Gross premiums written
AlphaCat Sidecars	$	(341	)	$	45,755		$	50,023
AlphaCat ILS Funds - Lower Risk	112,222			91,363			52,264
AlphaCat ILS Funds - Higher Risk	140,022			34,228			24,498
AlphaCat Direct (c)	18,499			4,780			—
Total gross premiums written	$	270,402		$	176,126		$	126,785

(a) The results of AlphaCat are presented on an asset manager basis, which is non-GAAP. A reconciliation of Validus’ share of AlphaCat segment income to segmental income is presented in the tables below.

(b) The investment income from the AlphaCat funds and sidecars is based on equity accounting.

(c) AlphaCat Direct includes direct investments from third party investors in AlphaCat Re.

F-81

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

	Years Ended December 31,
Corporate and Investments	2016			2015			2014
Investment income
Managed net investment income (a)	$	141,718		$	121,166		$	95,800
Operating expenses
General and administrative expenses	72,249			75,724			80,210
Share compensation expenses	16,003			12,955			11,352
Finance expenses (a)	57,183			61,071			60,309
Dividends on preferred shares	4,455			—			—
Tax (benefit) expense (a)	(19,819		)	6,376			155
Total operating expenses	130,071			156,126			152,026
Other items
Net realized gains on managed investments (a)	14,680			1,698			12,160
Change in net unrealized gains (losses) on managed investments (a)	14,106			(32,007		)	(1,030		)
(Loss) income from investment affiliates	(2,083		)	4,281			8,411
Foreign exchange gains (losses) (a)	10,778			(8,172		)	(10,700		)
Other loss	(766		)	(1,002		)	(2,243		)
Transaction expenses (b)	—			—			(8,096		)
Total other items	36,715			(35,202		)	(1,498		)
Total Corporate and Investments	$	48,362		$	(70,162	)	$	(57,724	)

(a) These items exclude the components which are included in Validus’ share of AlphaCat and amounts which are consolidated from VIEs.

(b) The transaction expenses relate to costs incurred in connection with the acquisition of Western World, which was completed on October 2, 2014. Transaction expenses are primarily comprised of legal, financial advisory and audit related services.

F-82

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The following tables reconcile the results of our operating segments and “Corporate & Investments” to the Consolidated results of the Company for the years indicated:

	Year Ended December 31, 2016
	Validus Re Segment			Talbot Segment			Western World Segment			AlphaCat Segment and Consolidated VIEs			Corporate and Investments			Eliminations			Total
Underwriting revenues
Gross premiums written	$	1,111,054		$	970,702		$	323,220		$	270,402		$	—		$	(26,673	)	$	2,648,705
Reinsurance premiums ceded	(111,564		)	(175,729		)	(22,634		)	(6,451		)	—			26,673			(289,705		)
Net premiums written	999,490			794,973			300,586			263,951			—			—			2,359,000
Change in unearned premiums	(55,545		)	(13,057		)	(27,354		)	(13,879		)	—			—			(109,835		)
Net premiums earned	943,945			781,916			273,232			250,072			—			—			2,249,165
Other insurance related (loss) income	(55		)	455			912			22,386			—			(20,737		)	2,961
Total underwriting revenues	943,890			782,371			274,144			272,458			—			(20,737		)	2,252,126
Underwriting deductions
Losses and loss expenses	411,488			424,946			183,812			44,851			—			—			1,065,097
Policy acquisition costs	181,040			177,127			64,442			26,905			—			(32		)	449,482
General and administrative expenses	72,770			134,479			43,280			34,333			72,249			(20,817		)	336,294
Share compensation expenses	11,034			13,078			2,543			249			16,003			—			42,907
Total underwriting deductions	676,332			749,630			294,077			106,338			88,252			(20,849		)	1,893,780
Underwriting income (loss)	$	267,558		$	32,741		$	(19,933	)	$	166,120		$	(88,252	)	$	112		$	358,346
Other items (a)	—			—			—			2,478			(649		)	—			1,829
Dividends on preferred shares	—			—			—			—			(4,455		)	—			(4,455		)
Net investment income	—			—			—			9,264			141,718			(597		)	150,385
(Income) attributable to AlphaCat investors	—			—			—			(23,358		)	—			—			(23,358		)
Net (income) attributable to noncontrolling interests	—			—			—			(123,363		)	—			—			(123,363		)
Segmental income (loss)	$	267,558		$	32,741		$	(19,933	)	$	31,141		$	48,362		$	(485	)
Net income available to Validus common shareholders																			$	359,384

(a) Other items includes finance expenses, tax (benefit) expense, foreign exchange gains (losses), net realized and change in net unrealized gains (losses) on investments, income from investment and operating affiliates and other income (loss).

F-83

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

	Year Ended December 31, 2015
	Validus Re Segment			Talbot Segment			Western World Segment			AlphaCat Segment and Consolidated VIEs			Corporate and Investments			Eliminations			Total
Underwriting revenues
Gross premiums written	$	1,126,759		$	1,018,835		$	278,504		$	176,126		$	—		$	(42,718	)	$	2,557,506
Reinsurance premiums ceded	(149,088		)	(198,896		)	(18,877		)	(4,538		)	—			42,718			(328,681		)
Net premiums written	977,671			819,939			259,627			171,588			—			—			2,228,825
Change in unearned premiums	12,542			18,152			(977		)	(11,653		)	—			—			18,064
Net premiums earned	990,213			838,091			258,650			159,935			—			—			2,246,889
Other insurance related income	3,575			851			1,044			25,524			—			(24,881		)	6,113
Total underwriting revenues	993,788			838,942			259,694			185,459			—			(24,881		)	2,253,002
Underwriting deductions
Losses and loss expenses	457,976			347,322			171,878			657			—			—			977,833
Policy acquisition costs	166,387			187,535			41,408			16,327			—			(1,599		)	410,058
General and administrative expenses	78,428			155,306			38,715			39,055			75,724			(23,519		)	363,709
Share compensation expenses	10,350			12,373			2,083			580			12,955			—			38,341
Total underwriting deductions	713,141			702,536			254,084			56,619			88,679			(25,118		)	1,789,941
Underwriting income	$	280,647		$	136,406		$	5,610		$	128,840		$	(88,679	)	$	237		$	463,061
Other items (a)	—			—			—			(17,967		)	(102,649		)	—			(120,616		)
Dividends on preferred shares	—			—			—			—			—			—			—
Net investment income	—			—			—			6,658			121,166			—			127,824
(Income) attributable to AlphaCat investors	—			—			—			(2,412		)	—			—			(2,412		)
Net (income) attributable to noncontrolling interests	—			—			—			(92,964		)	—			—			(92,964		)
Segmental income	$	280,647		$	136,406		$	5,610		$	22,155		$	(70,162	)	$	237
Net income available to Validus																			$	374,893

(a) Other items includes finance expenses, tax expenses, foreign exchange gains (losses), net realized and change in net unrealized gains (losses) on investments, income from investment and operating affiliates and other income (loss).

F-84

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

	Year Ended December 31, 2014
	Validus Re Segment			Talbot Segment			Western World Segment (c)			AlphaCat Segment and Consolidated VIEs			Corporate and Investments			Eliminations			Total
Underwriting revenues
Gross premiums written	$	1,118,532		$	1,101,770		$	65,235		$	126,785		$	—		$	(53,457	)	$	2,358,865
Reinsurance premiums ceded	(163,678		)	(192,211		)	(6,428		)	(4,348		)	—			53,457			(313,208		)
Net premiums written	954,854			909,559			58,807			122,437			—			—			2,045,657
Change in unearned premiums	(37,570		)	(29,785		)	14,189			564			—			—			(52,602		)
Net premiums earned	917,284			879,774			72,996			123,001			—			—			1,993,055
Other insurance related income	3,159			1,095			264			25,750			—			(26,796		)	3,472
Total underwriting revenues	920,443			880,869			73,260			148,751			—			(26,796		)	1,996,527
Underwriting deductions
Losses and loss expenses	307,290			423,394			51,035			(16,704		)	—			—			765,015
Policy acquisition costs	141,670			187,162			3,169			11,584			—			(4,118		)	339,467
General and administrative expenses	74,739			150,828			11,121			36,298			80,210			(23,834		)	329,362
Share compensation expenses	9,739			11,346			135			501			11,352			—			33,073
Total underwriting deductions	533,438			772,730			65,460			31,679			91,562			(27,952		)	1,466,917
Underwriting income	$	387,005		$	108,139		$	7,800		$	117,072		$	(91,562	)	$	1,156		$	529,610
Other items (a)	—			—			—			(12,891		)	(53,866		)	—			(66,757		)
Net investment income	—			—			—			4,286			95,800			—			100,086
Net (income) attributable to noncontrolling interests	—			—			—			(74,880		)	—			—			(74,880		)
Transaction expenses (b)	—			—			—			—			(8,096		)	—			(8,096		)
Segmental income	$	387,005		$	108,139		$	7,800		$	33,587		$	(57,724	)	$	1,156
Net income available to Validus																			$	479,963

(a) Other items includes finance expenses, tax expenses, foreign exchange gains (losses), net realized and change in net unrealized gains (losses) on investments, income from investment and operating affiliates and other income (loss).

(b) The transaction expenses relate to costs incurred in connection with the acquisition of Western World, which was completed on October 2, 2014. Transaction expenses are primarily comprised of legal, financial advisory and audit related services.

(c) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

The following table sets forth the gross premiums written by line of business for the years indicated:

	Years Ended December 31,
	2016		2015		2014 (a)
Property	$	1,128,523	$	1,077,700	$	1,050,109
Marine	363,656		471,857		576,478
Specialty	927,746		782,463		677,026
Liability	228,780		225,486		55,252
Total	$	2,648,705	$	2,557,506	$	2,358,865

(a) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

F-85

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

The Company’s exposures are generally diversified across geographic zones. The following tables set forth the gross premiums written allocated to the territory of coverage exposure for the years indicated:

	Gross Premiums Written
	Year Ended December 31, 2016
	Validus Re		Talbot		Western World		AlphaCat		Eliminations			Total		%
United States	$	448,243	$	103,415	$	323,220	$	64,766	$	(2,057	)	$	937,587	35.4	%
Worldwide excluding United States (a)	51,902		148,347		—		22,206		(689		)	221,766		8.4	%
Australia and New Zealand	7,389		10,844		—		4,949		(133		)	23,049		0.9	%
Europe	28,967		34,264		—		3,245		(695		)	65,781		2.4	%
Latin America and Caribbean	47,586		102,293		—		—		(9,484		)	140,395		5.3	%
Japan	40,099		6,580		—		3,221		(33		)	49,867		1.9	%
Canada	3,349		6,834		—		207		(147		)	10,243		0.4	%
Rest of the world (b)	22,595		107,106		—		—		(2,449		)	127,252		4.8	%
Sub-total, non United States	201,887		416,268		—		33,828		(13,630		)	638,353		24.1	%
Worldwide including United States (a)	167,065		98,311		—		170,253		(10,983		)	424,646		16.0	%
Other locations non-specific (c)	293,859		352,708		—		1,555		(3		)	648,119		24.5	%
Total	$	1,111,054	$	970,702	$	323,220	$	270,402	$	(26,673	)	$	2,648,705	100.0	%

	Gross Premiums Written
	Year Ended December 31, 2015
	Validus Re		Talbot		Western World		AlphaCat		Eliminations			Total		%
United States	$	530,541	$	106,679	$	278,504	$	41,134	$	(2,547	)	$	954,311	37.4	%
Worldwide excluding United States (a)	52,860		127,540		—		8,107		(1,186		)	187,321		7.3	%
Australia and New Zealand	12,190		8,974		—		624		(244		)	21,544		0.8	%
Europe	48,240		38,657		—		2,504		(1,135		)	88,266		3.5	%
Latin America and Caribbean	46,258		103,318		—		38		(15,481		)	134,133		5.2	%
Japan	38,885		5,171		—		1,671		(109		)	45,618		1.8	%
Canada	3,129		6,666		—		458		(231		)	10,022		0.4	%
Rest of the world (b)	21,498		103,237		—		—		(3,660		)	121,075		4.7	%
Sub-total, non United States	223,060		393,563		—		13,402		(22,046		)	607,979		23.7	%
Worldwide including United States (a)	139,419		100,523		—		116,523		(18,120		)	338,345		13.2	%
Other locations non-specific (c)	233,739		418,070		—		5,067		(5		)	656,871		25.7	%
Total	$	1,126,759	$	1,018,835	$	278,504	$	176,126	$	(42,718	)	$	2,557,506	100.0	%

F-86

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

	Gross Premiums Written
	Year Ended December 31, 2014
	Validus Re		Talbot		Western World (d)		AlphaCat		Eliminations			Total		%
United States	$	437,124	$	108,458	$	65,235	$	26,067	$	(3,664	)	$	633,220	26.8	%
Worldwide excluding United States (a)	76,370		139,570		—		6,727		(1,575		)	221,092		9.4	%
Australia and New Zealand	20,617		9,736		—		1,019		(360		)	31,012		1.3	%
Europe	57,223		45,615		—		2,305		(1,292		)	103,851		4.4	%
Latin America and Caribbean	56,102		116,281		—		—		(26,007		)	146,376		6.2	%
Japan	42,813		4,116		—		608		(111		)	47,426		2.0	%
Canada	3,793		10,194		—		214		(337		)	13,864		0.6	%
Rest of the world (b)	25,272		93,012		—		—		(3,805		)	114,479		4.9	%
Sub-total, non United States	282,190		418,524		—		10,873		(33,487		)	678,100		28.8	%
Worldwide including United States (a)	175,098		96,187		—		89,845		(16,196		)	344,934		14.6	%
Other locations non-specific (c)	224,120		478,601		—		—		(110		)	702,611		29.8	%
Total	$	1,118,532	$	1,101,770	$	65,235	$	126,785	$	(53,457	)	$	2,358,865	100.0	%

(a) Represents risks in two or more geographic zones.

(b) Represents risks in one geographic zone.

(c) The other locations non-specific category refers to business for which an analysis of exposure by geographic zone is not applicable since these exposures can span multiple geographic areas and, in some instances, are not fixed locations.

(d) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

F-87

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

27. Statutory and regulatory requirements

Validus Holdings, Ltd. has operations which are subject to laws and regulations in the jurisdictions in which they operate, the most significant of which are Bermuda, the United Kingdom, the United States and Switzerland.

As a holding company, Validus Holdings, Ltd.’s principal sources of income are dividends or other sources of permitted distributions from its subsidiaries. These funds provide the cash flow required for dividend payments to the Company’s shareholders. The holding company has no material restrictions on its ability to make distributions to shareholders however, the ability of our (re)insurance subsidiaries to make distributions is limited by the applicable local laws and relevant regulations of the various countries in which we operate. The Company’s subsidiaries are required to maintain certain measures of solvency and liquidity which provide restrictions on declaring dividends and distributions.

The Company’s (re)insurance subsidiaries prepare their statutory financial statements in conformity with statutory accounting practices prescribed or permitted by the applicable local laws and relevant regulatory authority. The statutory financial statements may vary materially from statements prepared in accordance with U.S. GAAP.

Statutory capital and surplus as at December 31, 2016 and 2015 and statutory net income for the years endedDecember 31, 2016, 2015 and 2014 for our (re)insurance subsidiaries based in our most significant regulatory jurisdictions were as follows:

	Statutory Capital and Surplus
	Required				Actual				Statutory Net Income
	December 31,				December 31,				Years Ended December 31,
	2016		2015		2016		2015		2016		2015		2014
Bermuda	$	734,045	$	1,463,408	$	3,712,369	$	3,469,849	$	369,684	$	329,260	$	511,652
United States	78,342		80,047		416,746		421,047		7,795		32,255		105,210
Switzerland	267,000		259,000		806,099		750,356		46,362		21,379		44,939

During the year ended December 31, 2016, dividends and distributions to the Company from its subsidiaries, net of amounts reinvested in subsidiaries were $320,000 (2015: $465,000).

(a) Bermuda

The Company has five Bermuda based insurance subsidiaries: Validus Reinsurance, Ltd., a Class 4 insurer; Validus Reinsurance (Switzerland) Ltd (Bermuda Branch), a Class 4 insurer; IPCRe Limited (“IPCRe”), a Class 3A insurer; AlphaCat Reinsurance Ltd., a Class 3 insurer; and Mont Fort Re Ltd., a Class 3 insurer. Each of these Bermuda insurance subsidiaries is registered under the Insurance Act. The Company also has two Bermuda based subsidiaries which are licensed as Special Purpose Insurers (“SPIs”) under the Insurance Act, AlphaCat Re 2011, Ltd. and AlphaCat Re 2012, Ltd.

The Company’s Bermuda based insurance subsidiaries are required to maintain minimum statutory capital and surplus equal to the greater of a minimum solvency margin (“MSM”) and the Enhanced Capital Requirement (“ECR”) where applicable. The ECR is equal to the higher of the MSM or the Bermuda Solvency Capital Requirement (“BSCR”) model or approved internal capital model. The BSCR for the relevant insurers for the year ended December 31, 2016 will not be filed with the BMA until April 2017. As a result, the required statutory capital and surplus as at December 31, 2016, of $734,045 is based on the MSM of all relevant insurers, whereas the required statutory capital and surplus as at December 31, 2015 of $1,463,408 is based on the MSM and ECR where applicable for all relevant insurers. Actual statutory capital and surplus includes capital held in support of FAL which is not available for distribution to the Company. For further details refer to Note 23, “Commitments and contingencies.” At December 31, 2016 and 2015, the actual statutory capital and surplus of the Bermuda based insurance subsidiaries exceeded the relevant regulatory requirements.

The ability of certain of these insurance subsidiaries to pay dividends to us is limited under Bermuda law and regulations. The Insurance Act provides that each of the Class 3A and 4 Bermuda subsidiaries may not declare or pay, in any financial year, dividends of more than 25% of its total statutory capital and surplus (as shown on its statutory balance sheet in relation to the previous financial year) unless it files with the BMA at least seven days prior to the payment, an affidavit signed by at least two directors and such insurance subsidiary’s principal representative, stating that in their opinion such subsidiary will continue to satisfy the required margins following declaration of those dividends, however, there is no additional requirement for BMA approval.

F-88

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

In addition, before reducing its total statutory capital by 15% or more (as set out in its previous year’s statutory financial statements) each of the Class 3A and Class 4 Bermuda insurance subsidiaries must make application to the BMA for permission to do so; such application shall consist of an affidavit signed by at least two directors and such insurance subsidiary’s principal representative stating that in their opinion the proposed reduction in capital will not cause such subsidiaries to fail to meet its relevant margins, and such other information as the BMA may require. The Insurance Act permits each of the Class 3 insurers to declare or pay any dividends during any financial year so long as it does not cause the insurance subsidiary to fail to meet its relevant margins subject to the restrictions set out herein and other than in respect of IPCRe. Class 3 insurers, before reducing by 15% or more of its total statutory capital, as set out in its previous year’s financial statements, are required to apply to the BMA for its approval and provide such information as the BMA may require.

As at December 31, 2016, the Company’s Bermuda insurance subsidiaries have the ability to distribute up to $1,335,300 of unrestricted net assets as dividend payments or return of capital to Validus Holdings, Ltd. (December 31, 2015: $1,008,367) without prior regulatory approval.

The Company’s primary restrictions on net assets of insurance subsidiaries consist of regulatory requirements placed upon the regulated insurance subsidiaries to hold minimum amounts of total statutory capital and surplus and other than the restriction on IPCRe noted above, there were no other material restrictions on net assets in place as of December 31, 2016.

The Company’s principal operating subsidiary in Bermuda, Validus Reinsurance, Ltd., maintains a branch office in Singapore. As the branch office is not considered a separate entity for regulatory purposes, the required and actual statutory capital and surplus amount includes amounts, as set out above, related to the applicable branch office. The branch office is subject to additional minimum capital or asset requirements in its country of domicile. At December 31, 2016 and 2015, the actual capital and assets for the branch exceeded the relevant local regulatory requirements.

(b) United Kingdom - Lloyd’s

As disclosed in Note 23(d), “Commitments and contingencies,” Syndicate 1183 and T02 are subject to regulation by the Council of Lloyd’s. Syndicate 1183 and T02 are also subject to regulation by the U.K. Financial Conduct Authority (“FCA”) and Prudential Regulation Authority (“PRA”) under the Financial Services and Market Act 2000.

T02 is a corporate member of Lloyd’s. As a corporate member of Lloyd’s, T02 is bound by the rules of the Society of Lloyd’s, which are prescribed by Bye-laws and Requirements made by the Council of Lloyd’s under powers conferred by the Lloyd’s Act 1982. These rules (among other matters) prescribe T02’s membership subscription, the level of its contribution to the Lloyd’s central fund and the assets it must deposit with Lloyd’s in support of its underwriting. The Council of Lloyd’s has broad power to sanction breaches of its rules, including the power to restrict or prohibit a member’s participation on Lloyd’s syndicates. The capital required to support a Syndicate’s underwriting capacity, or FAL, is assessed annually and is determined by Lloyd’s in accordance with the rules of the Society of Lloyd’s. The capital to support the underwriting of Syndicate 1183 is provided by the Company’s Bermuda based insurance subsidiaries in the form of cash and investments held at Lloyd’s. The amount provided as FAL is not available for distribution to the Company for the payment of dividends.

Each year, during the second quarter, the corporate member applies to Lloyd’s to release accumulated funds, whether syndicate profits, interest on FAL or other which are in excess of the agreed FAL amount. At December 31, 2016 and 2015, the actual capital and assets exceeded the relevant local regulatory requirements. The release for the year ended December 31, 2015 enabled a dividend payment to the Company of $30,000 during the year ended December 31, 2016 (2015: $65,000).

(c) United States

The Company has three U.S. based insurance subsidiaries domiciled in New Hampshire: Western World Insurance Company, Tudor Insurance Company and Stratford Insurance Company, which are required to file financial statements prepared in accordance with statutory accounting practices prescribed or permitted by the New Hampshire State Insurance Department (“NHSID”).

State insurance laws and regulations prescribe accounting practices for determining statutory net income and equity for insurance companies. In addition, state regulators may permit statutory accounting practices that differ from such prescribed practices. The Company’s U.S. based insurance company subsidiaries did not use such permitted practices.

The Company’s U.S. based insurance company subsidiaries are subject to certain Risk-Based Capital (“RBC”) requirements as specified by the National Association of Insurance Commissioners. Under those requirements, the minimum amount of capital

F-89

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

and surplus required to be maintained by a property/casualty insurance company is based on various risk factors. At December 31, 2016 and 2015, the Company’s U.S. based insurance company subsidiaries met the RBC requirements.

New Hampshire insurance laws limit the amount of dividends Western World may pay to the Company in a 12-month period without the approval of the NHSID. These limitations are based on the lesser of: (i) a maximum of 10.0% of prior year end statutory surplus as determined under statutory accounting practices; or (ii) statutory net income, not including realized capital gains, for the 12-month period ending December 31, next preceding, but shall not include pro rata distributions of any class of the insurer’s own securities. In determining whether a dividend or distribution is extraordinary, an insurer may carry forward net income from the previous two calendar years that has not already been paid out as dividends. This carry-forward is computed by taking the net income from the second and third preceding calendar years, not including realized capital gains, less dividends paid in the second and immediate preceding calendar years. As at December 31, 2016, the maximum dividend that may be paid to the Company by its U.S. based insurance subsidiaries without obtaining prior approval was $490 (December 31, 2015: $17,599). During the year ended December 31, 2016, our U.S. based insurance subsidiaries paid dividends to the Company of $18,500 (2015: $80,300).

(d) Switzerland

Validus Re Swiss is a société anonyme headquartered in Zurich, Switzerland. The conduct of reinsurance business by a company headquartered in Switzerland requires a license granted by the Swiss Financial Market Supervisory Authority (“FINMA”). Validus Re Swiss maintains a branch office in Bermuda, Validus Reinsurance (Switzerland) Ltd. (Bermuda Branch), a Class 4 insurer.

Required statutory capital and surplus is based on the Target Capital requirements calculated under the Swiss Solvency Test (“SST”). Required and actual statutory capital and surplus includes Validus Reinsurance (Switzerland) Ltd. and its Bermuda branch. At December 31, 2016 and 2015, the actual capital and assets exceeded the relevant local regulatory requirements.

Validus Re Swiss is funded by equity in the form of paid in capital by shares and in share premium. Under Swiss corporate law as modified by insurance supervisory law, a non-life insurance company is obliged to contribute to statutory legal reserves a minimum of 20% of any annual profit up to 50% of statutory capital, being paid in share capital. Validus Re Swiss has been substantially funded by share premium. Share premium can be distributed to shareholders without being subject to withholding tax. However, the distribution of any special dividend to shareholders remains subject to the approval of FINMA which considers the maintenance of solvency and the interests of reinsureds and creditors.

Validus Reinsurance (Switzerland) Ltd. (Bermuda Branch) is exempt from filing an Annual Statutory Financial Return and Annual Capital and Solvency Return but is subject to the minimum required statutory capital and surplus requirements for Class 4 insurers and the SST. At December 31, 2016 and 2015, the branch was in compliance with all relevant regulatory requirements.

28. Subsequent events

Dividends

On February 9, 2017, the Company announced a quarterly cash dividend of $0.38 per common share, payable on March 31, 2017 to shareholders of record on March 15, 2017 and a cash dividend of $0.3671875 per depositary share on the outstanding Series A Preferred Shares, payable on March 15, 2017 to shareholders of record on March 1, 2017.

Acquisition of ADM Crop Risk Services

On January 30, 2017, the Company, through its wholly-owned subsidiary Stratford Insurance Company, entered into a definitive agreement with Archer Daniels Midland Company (“ADM”) under which the Company will acquire all of the outstanding stock of ADM Crop Risk Services (“CRS”). CRS is a primary crop insurance general agent with 1,170 agents across 36 states within the U.S. The purchase price for CRS will be approximately $127,500 in cash, subject to certain working capital and balance sheet adjustments. Completion of the transaction is conditioned on, among other things, regulatory approvals and satisfaction of various customary closing conditions. The transaction is currently expected to close during the second quarter of 2017.

F-90

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

29. Unaudited quarterly financial data

	Quarters Ended
	December 31, 2016			September 30, 2016			June 30, 2016			March 31, 2016
	Unaudited			Unaudited			Unaudited			Unaudited
Revenues
Gross premiums written	$	339,454		$	372,418		$	764,042		$	1,172,791
Reinsurance premiums ceded	(40,635		)	(45,006		)	(36,229		)	(167,835		)
Net premiums written	298,819			327,412			727,813			1,004,956
Change in unearned premiums	241,580			236,363			(154,090		)	(433,688		)
Net premiums earned	540,399			563,775			573,723			571,268
Net investment income	38,153			43,514			39,257			29,461
Net realized gains (losses) on investments	9,220			4,397			2,724			(584		)
Change in net unrealized (losses) gains on investments	(67,460		)	5,459			31,428			47,444
Income (loss) from investment affiliates	2,166			453			(589		)	(4,113		)
Other insurance related income (loss) and other income	568			(610		)	824			1,413
Foreign exchange (losses) gains	(901		)	(766		)	6,286			6,245
Total revenues	522,145			616,222			653,653			651,134
Expenses
Losses and loss expenses	275,126			258,394			307,130			224,447
Policy acquisition costs	120,889			113,434			107,966			107,193
General and administrative expenses	77,955			82,443			89,688			86,208
Share compensation expenses	10,442			10,501			10,727			11,237
Finance expenses	14,630			14,521			14,166			15,203
Total expenses	499,042			479,293			529,677			444,288
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors	23,103			136,929			123,976			206,846
Tax benefit (expense)	21,147			(1,830		)	(1,706		)	2,118
Loss from operating affiliate	—			—			—			(23		)
(Income) attributable to AlphaCat investors	(7,080		)	(5,564		)	(6,114		)	(4,600		)
Net income	$	37,170		$	129,535		$	116,156		$	204,341
Net (income) attributable to noncontrolling interests	(27,200		)	(37,439		)	(21,193		)	(37,531		)
Net income available to Validus	9,970			92,096			94,963			166,810
Dividends on preferred shares	(2,203		)	(2,252		)	—			—
Net income available to Validus common shareholders	$	7,767		$	89,844		$	94,963		$	166,810
Earnings per share
Basic earnings per share available to Validus common shareholders	$	0.10		$	1.12		$	1.16		$	2.01
Earnings per diluted share available to Validus common shareholders	$	0.10		$	1.11		$	1.14		$	1.98
Cash dividends declared per common share	$	0.35		$	0.35		$	0.35		$	0.35

F-91

Validus Holdings, Ltd.

Notes to Consolidated Financial Statements

(Expressed in thousands of U.S. dollars, except share and per share information)

	Quarters Ended
	December 31, 2015			September 30, 2015			June 30, 2015			March 31, 2015
	Unaudited			Unaudited			Unaudited			Unaudited
Revenues
Gross premiums written	$	309,605		$	402,509		$	726,168		$	1,119,224
Reinsurance premiums ceded	(33,128		)	(48,810		)	(55,418		)	(191,325		)
Net premiums written	276,477			353,699			670,750			927,899
Change in unearned premiums	266,823			201,312			(98,062		)	(352,009		)
Net premiums earned	543,300			555,011			572,688			575,890
Net investment income	31,612			31,572			33,611			31,029
Net realized (losses) gains on investments	(2,928		)	(1,187		)	2,244			4,169
Change in net unrealized (losses) gains on investments	(34,862		)	3,916			(34,676		)	33,227
(Loss) income from investment affiliates	(1,261		)	2,482			284			2,776
Other insurance related income and other income	2,545			1,526			100			940
Foreign exchange gains (losses)	797			(2,592		)	(2,671		)	(4,265		)
Total revenues	539,203			590,728			571,580			643,766
Expenses
Losses and loss expenses	214,748			256,010			266,146			240,929
Policy acquisition costs	102,285			105,039			104,323			98,411
General and administrative expenses	98,563			96,886			84,025			84,235
Share compensation expenses	10,062			9,983			9,242			9,054
Finance expenses	16,581			18,512			18,682			20,967
Total expenses	442,239			486,430			482,418			453,596
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors	96,964			104,298			89,162			190,170
Tax benefit (expense)	756			(2,018		)	(2,549		)	(2,565		)
(Loss) income from operating affiliate	(1,708		)	(7,963		)	1,738			3,984
(Income) attributable to AlphaCat investors	(974		)	(1,438		)	—			—
Net income	$	95,038		$	92,879		$	88,351		$	191,589
Net (income) attributable to noncontrolling interests	(25,996		)	(26,229		)	(22,561		)	(18,178		)
Net income available to Validus	69,042			66,650			65,790			173,411
Dividends on preferred shares	—			—			—			—
Net income available to Validus common shareholders	$	69,042		$	66,650		$	65,790		$	173,411
Earnings per share
Basic earnings per share available to Validus common shareholders	$	0.84		$	0.79		$	0.77		$	2.07
Earnings per diluted share available to Validus common shareholders	$	0.81		$	0.78		$	0.75		$	1.98
Cash dividends declared per common share	$	0.32		$	0.32		$	0.32		$	0.32

F-92

SCHEDULE I

VALIDUS HOLDINGS, LTD.

SUMMARY OF INVESTMENTS OTHER THAN INVESTMENTS IN RELATED PARTIES

At December 31, 2016

(Expressed in thousands of U.S. dollars)

	Amortized cost		Fair value		Amount shown on the Balance Sheet
U.S. government and government agency	$	809,392	$	804,126	$	804,126
Non-U.S. government and government agency	245,651		240,791		240,791
U.S. states, municipalities and political subdivisions	271,742		271,830		271,830
Agency residential mortgage-backed securities	684,490		679,595		679,595
Non-agency residential mortgage-backed securities	15,858		15,477		15,477
U.S. corporate	1,540,036		1,534,508		1,534,508
Non-U.S. corporate	418,520		410,227		410,227
Bank loans	579,121		570,399		570,399
Catastrophe bonds	157,486		158,331		158,331
Asset-backed securities	528,563		526,814		526,814
Commercial mortgage-backed securities	333,740		330,932		330,932
Total fixed maturities	5,584,599		5,543,030		5,543,030
Total short-term investments	2,796,358		2,796,170		2,796,170
Total other investments	380,130		405,712		405,712
Total	$	8,761,087	$	8,744,912	$	8,744,912

F-93

SCHEDULE II

VALIDUS HOLDINGS, LTD.

CONDENSED FINANCIAL INFORMATION OF REGISTRANT

BALANCE SHEETS

As at December 31, 2016 and 2015

(Expressed in thousands of U.S. dollars, except share and per share information)

	December 31, 2016			December 31, 2015
Assets
Fixed maturities trading, at fair value	$	92,197		$	28,403
Cash and cash equivalents	11,780			25,306
Investments in subsidiaries on an equity basis	4,383,800			4,198,809
Balances due from subsidiaries	—			10,389
Accrued investment income	239			49
Other assets	1,143			813
Total assets	$	4,489,159		$	4,263,769
Liabilities
Accounts payable and accrued expenses	$	26,884		$	29,633
Balances due to subsidiaries	28,622			—
Senior notes payable	245,362			245,161
Debentures payable	350,000			350,000
Total liabilities	$	650,868		$	624,794
Shareholders’ Equity
Authorized 571,428,571 common and preferred shares, par value $0.175 per share:
Preferred shares (Issued and Outstanding: 2016—6,000; 2015—nil)	$	150,000		$	—
Common shares (Issued: 2016—161,279,976; 2015—160,570,772; Outstanding: 2016—79,132,252; 2015—82,900,617)	28,224			28,100
Treasury shares (2016—82,147,724; 2015—77,670,155)	(14,376		)	(13,592		)
Additional paid-in capital	821,023			1,002,980
Accumulated other comprehensive loss	(23,216		)	(12,569		)
Retained earnings	2,876,636			2,634,056
Total shareholders’ equity	$	3,838,291		$	3,638,975
Total liabilities and shareholders’ equity	$	4,489,159		$	4,263,769

F-94

VALIDUS HOLDINGS, LTD.

CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Continued)

STATEMENTS OF INCOME AND COMPREHENSIVE INCOME

For the years ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars)

	Years Ended December 31,
	2016			2015			2014
Revenues
Net investment income	$	1,195		$	317		$	14
Net realized gains on investments	8,020			—			—
Change in net unrealized losses on investments	(276		)	(395		)	—
Foreign exchange gains	1,932			715			648
Total revenues	10,871			637			662
Expenses
General and administrative expenses	72,235			74,015			86,108
Share compensation expenses	6,832			7,261			6,424
Finance expenses	47,108			47,722			47,689
Total expenses	126,175			128,998			140,221
Loss before equity in net earnings of subsidiaries	(115,304		)	(128,361		)	(139,559		)
Equity in net earnings of subsidiaries	479,143			503,254			619,522
Net income available to Validus	363,839			374,893			479,963
Dividends on preferred shares	(4,455		)	—			—
Net income available to Validus common shareholders	$	359,384		$	374,893		$	479,963
Comprehensive income:
Net income available to Validus	$	363,839		$	374,893		$	479,963
Other comprehensive (loss) income:
Change in foreign currency translation adjustments	(10,440		)	(3,716		)	(7,501		)
Change in minimum pension liability, net of tax	(484		)	544			(210		)
Change in fair value of cash flow hedge	277			(841		)	(228		)
Other comprehensive loss	(10,647		)	(4,013		)	(7,939		)
Comprehensive income available to Validus	$	353,192		$	370,880		$	472,024

F-95

VALIDUS HOLDINGS, LTD.

CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Continued)

STATEMENTS OF CASH FLOWS

For the years ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars)

	Years Ended December 31,
	2016			2015			2014
Cash flows provided by (used in) operating activities
Net income available to Validus	$	363,839		$	374,893		$	479,963
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Equity in net earnings of subsidiaries	(479,143		)	(503,254		)	(619,522		)
Dividends received from subsidiaries	30,000			620,700			100,000
Net realized gains on investments	(8,020		)	—			—
Amortization of discount on senior notes	108			108			108
Share compensation expenses	6,832			7,261			6,424
Change in net unrealized losses on investments	276			395			—
Amortization of premium on fixed maturity investments	115			105			—
Change in:
Other assets	(238		)	173			528
Accrued investment income	(190		)	(49		)	—
Balances due from subsidiaries	10,389			30,689			(12,030		)
Balances due to subsidiaries	28,622			—			—
Accounts payable and accrued expenses	(4,348		)	5,080			2,624
Net cash (used in) provided by operating activities	(51,758		)	536,101			(41,905		)
Cash flows provided by (used in) investing activities
Purchases of fixed maturity investments	(56,164		)	(28,903		)	—
Investments in subsidiaries	—			(555,700		)	—
Return of capital from subsidiaries	290,000			400,000			673,966
Net cash provided by (used in) investing activities	233,836			(184,603		)	673,966
Cash flows provided by (used in) financing activities
Issuance of preferred shares, net	144,852			—			—
Issuance of common shares, net	(7,701		)	17,407			5,347
Purchases of common shares under repurchase program	(212,675		)	(260,430		)	(510,952		)
Dividends paid on preferred shares	(4,455		)	—			—
Dividends paid on common shares	(115,625		)	(112,967		)	(117,043		)
Net cash used in financing activities	(195,604		)	(355,990		)	(622,648		)
Net (decrease) increase in cash	(13,526		)	(4,492		)	9,413
Cash and cash equivalents—beginning of year	25,306			29,798			20,385
Cash and cash equivalents—end of year	$	11,780		$	25,306		$	29,798

F-96

SCHEDULE III

VALIDUS HOLDINGS, LTD.

SUPPLEMENTARY INSURANCE INFORMATION

As at and for the years ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars)

	As at and for the year ended December 31, 2016
	Deferred Acquisition Costs			Reserve for Losses and Loss Expenses			Unearned Premiums			Net Premiums Earned		Net Investment Income		Losses and Loss Expenses		Amortization of Deferred Acquisition Costs			Other Operating Expenses		Net Premiums Written
Validus Re	$	79,588		$	1,116,753		$	352,646		$	943,945	$	—	$	411,488	$	181,040		$	83,804	$	999,490
Talbot	95,237			1,301,517			551,815			781,916		—		424,946		177,127			147,557		794,973
Western World	34,841			589,500			158,945			273,232		—		183,812		64,442			45,823		300,586
AlphaCat	4,060			48,534			38,961			250,072		—		44,851		26,905			34,582		263,951
Corporate & Investments and Eliminations	(4,499		)	(61,109		)	(26,318		)	—		150,385		—		(32		)	67,435		—
Total	$	209,227		$	2,995,195		$	1,076,049		$	2,249,165	$	150,385	$	1,065,097	$	449,482		$	379,201	$	2,359,000

	As at and for the year ended December 31, 2015
	Deferred Acquisition Costs			Reserve for Losses and Loss Expenses			Unearned Premiums			Net Premiums Earned		Net Investment Income		Losses and Loss Expenses		Amortization of Deferred Acquisition Costs			Other Operating Expenses		Net Premiums Written
Validus Re	$	60,459		$	1,146,869		$	294,509		$	990,213	$	—	$	457,976	$	166,387		$	88,778	$	977,671
Talbot	92,095			1,302,635			533,558			838,091		—		347,322		187,535			167,679		819,939
Western World	28,622			600,331			130,101			258,650		—		171,878		41,408			40,798		259,627
AlphaCat	2,526			11,013			24,643			159,935		—		657		16,327			39,635		171,588
Corporate & Investments and Eliminations	(2,700		)	(64,281		)	(16,601		)	—		127,824		—		(1,599		)	65,160		—
Total	$	181,002		$	2,996,567		$	966,210		$	2,246,889	$	127,824	$	977,833	$	410,058		$	402,050	$	2,228,825

	As at and for the year ended December 31, 2014
	Deferred Acquisition Costs			Reserve for Losses and Loss Expenses			Unearned Premiums			Net Premiums Earned		Net Investment Income		Losses and Loss Expenses			Amortization of Deferred Acquisition Costs			Other Operating Expenses		Net Premiums Written
Validus Re	$	59,091		$	1,333,878		$	305,138		$	917,284	$	—	$	307,290		$	141,670		$	84,478	$	954,854
Talbot	95,246			1,352,056			552,660			879,774		—		423,394			187,162			162,174		909,559
Western World	9,566			613,551			133,185			72,996		—		51,035			3,169			11,256		58,807
AlphaCat	1,281			15,278			13,060			123,001		—		(16,704		)	11,584			36,799		122,437
Corporate & Investments and Eliminations	(4,162		)	(71,616		)	(14,814		)	—		100,086		—			(4,118		)	67,728		—
Total	$	161,022		$	3,243,147		$	989,229		$	1,993,055	$	100,086	$	765,015		$	339,467		$	362,435	$	2,045,657

F-97

SCHEDULE IV

VALIDUS HOLDINGS, LTD.

REINSURANCE

For the years ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars)

	Direct gross		Ceded to other companies		Assumed from other companies		Net amount		Percentage of amount assumed to net
Year Ended December 31, 2016	$	853,885	$	289,705	$	1,794,820	$	2,359,000	76	%
Year Ended December 31, 2015	838,755		328,681		1,718,751		2,228,825		77	%
Year Ended December 31, 2014	683,028		313,208		1,675,837		2,045,657		82	%

F-98

SCHEDULE VI

VALIDUS HOLDINGS, LTD.

SUPPLEMENTAL INFORMATION CONCERNING PROPERTY/CASUALTY

INSURANCE OPERATIONS

As at and for the years ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars)

Affiliation with registrant	Deferred acquisition costs		Reserves for losses and loss expenses		Reserves for unearned premiums		Net earned premiums		Net investment income		Losses and loss expenses incurred related to					Net paid losses and loss expenses		Amortization of deferred acquisition costs		Net premiums written
											Current year		Prior year
Consolidated Subsidiaries
2016	$	209,227	$	2,995,195	$	1,076,049	$	2,249,165	$	150,385	$	1,281,289	$	(216,192	)	$	1,114,402	$	449,482	$	2,359,000
2015	181,002		2,996,567		966,210		2,246,889		127,824		1,283,970		(306,137		)	1,167,839		410,058		2,228,825
2014	161,022		3,243,147		989,229		1,993,055		100,086		1,024,256		(259,241		)	1,063,653		339,467		2,045,657

F-99

EX-10.6.3

AMENDMENT TO EMPLOYMENT AGREEMENT

AMENDMENT TO EMPLOYMENT AGREEMENT (“Amendment”) dated as of November 3, 2016 between Validus America, Inc., a Delaware corporation (the “Company”), and Jonathan P. Ritz (the “Executive”).

WHEREAS, the Company and the Executive are parties to an Employment Agreement dated as of September 1, 2010 as amended on October 1, 2010 and March 12, 2015 (the “Agreement”);

WHEREAS, the Company and the Executive wish to amend the Agreement as set forth herein;

NOW THEREFORE, in consideration of the mutual covenants herein contained, the Company and the Executive hereby agree as follows:

1. The preamble to the Agreement is amended to change the definition of the “Company” to Validus Services, Inc., a Delaware corporation.

2. Section 3.01 is amended to read in its entirety as follows:

Position and Duties. Effective on the Start Date, the Executive shall serve as Chief Executive Officer of Validus Specialty Underwriters, render such services to the Company and its Affiliates which are consistent with Executive’s position and have such responsibilities, powers and duties as may from time to time be prescribed by the senior executives of the Company; provided that such responsibilities, powers and duties are substantially consistent with those customarily assigned to individuals serving in such position at comparable companies or as may be reasonably required by the conduct of the business of the Company or its Affiliates. During the Employment Period, the Executive shall devote substantially all of his working time and efforts to the business and affairs of the Company and its Affiliates. The Executive shall not directly or indirectly render any services of a business, commercial or professional nature to any other person not related to the business of the Company or its Affiliates, whether for compensation or otherwise, without prior written consent of the Company.

3. Section 3.02 is amended to read in its entirety as follows:

Work Location. While employed by the Company hereunder, the Executive shall perform his duties (when not traveling or engaged elsewhere in the performance of his duties) at the offices of the Company in New York City or at such other place as the Company may in its discretion from time to time direct. The Executive shall travel to such places outside of New York City on the business of the Company in such manner and on such occasions as the Company may from time to time reasonably require.

4. Section 4.01 is amended to read in its entirety as follows:

Base Salary. During the Employment Period, the Executive’s base salary will be $550,000.00 per annum (the “Base Salary”). The Base Salary will be payable semi-monthly in (24) twenty-four equal instalments on the 15th and 30th of the month. If applicable, deductions may be made from this gross amount as is paid in accordance with our regular payroll procedures and subject to deductions from taxes and other withholdings as required by law. Annually during the Employment Period the Company shall review with the Executive his job performance and compensation, and if deemed appropriate by the Board of Directors of the Company or its delegate, in its discretion, the Executive’s Base Salary may be increased.

5. Section 4.02 is amended to read in its entirety as follows:

Bonuses. In addition to the Base Salary, the Executive shall be eligible to participate in an annual bonus plan on terms set forth from time to time by the Board of Directors of the Company; provided, however, that the Executive’s target annual bonus will be 150% of his Base Salary.

6. Except as set forth herein, the Agreement shall continue in full force and effect in accordance with its terms.

7. This Amendment may be executed simultaneously in two or more counterparts, any one of which need not contain the signatures of more than one party, but all of which counterparts taken together will constitute one and the same agreement.

IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of the date and year first above written.

VALIDUS AMERICA, INC.

By:/s/ Robert Kuzloski

Printed Name: Robert Kuzloski

Title: Director

VALIDUS SERVICES, INC.

By:/s/ Robert Kuzloski

Printed Name: Robert Kuzloski

Title: Director

By:/s/ Jonathan P. Ritz

Printed Name: Jonathan P. Ritz

EX-10.7

Dated 2013

TALBOT UNDERWRITING SERVICES LTD

- and -

See Schedule 1

_____________________________________________

CONTRACT OF EMPLOYMENT

_____________________________________________

THIS AGREEMENT is made on __________________. 

B E T W E E N

(1) TALBOT UNDERWRITING SERVICES LTD (Company No. 03043304), whose registered office is 60 Threadneedle Street, London, EC2R 8HP (the Company);and

(2) See Schedule 1 (the Employee)

WHEREBY IT IS AGREED as follows:-

1. Definitions

In this Agreement:  

Associated Company	means any company with which the Company is connected in accordance with section 839 of the Income and Corporation Taxes Act 1988.
Commencement Date	As set out in Schedule 1.
Schedule 1	means Schedule 1 to this Agreement
Termination Date	means the date of termination of the Employee's employment under this Agreement.

2. Term of Appointment

2.1 Subject to the terms and conditions of this Agreement, the Employee shall be employed by the Company as set out in Schedule 1.

2.2 The Employee's employment commenced on the Commencement Date and shall continue, subject to the remaining terms of this Agreement, until terminated by either party giving the other not less than the written notice as specified in Schedule 1. The date of the Employee’s continuous period of employment is set out in Schedule 1.

(i) Notwithstanding Clause 2.2, the Company may, in its sole and absolute discretion, terminate the Employee's employment with immediate effect by paying a sum in lieu of notice (Payment in Lieu) equal to the base salary (as at the Termination Date) which the Employee would have been entitled to receive under this Agreement during the notice period referred to at Clause 2.2 (or, if notice has already been given, during the remainder of the notice period) less applicable income tax and National Insurance contributions.

(ii)     Notwithstanding clause 2.2(i), the Employee shall not be entitled to a Payment in Lieu of Notice or part thereof in the event the Company would at any time have been entitled to terminate the employment of the Employee without notice in accordance with clause 18 regardless of when the Company becomes aware of this right. Further in such circumstances the Company shall be entitled to recover from the Employee any payment in Lieu or any part payment made to the Employee.

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3. Powers and Duties

3.1 The Employee's position is contained in Schedule 1. The Employee may be reasonably required by the Company to undertake such other duties within their range of experience and skills as may be necessary from time to time.

3.2    The Employee shall:

3.2.1 comply with all reasonable directions from, and all regulations of, the Company or, as appropriate, any Associated Company;

3.2.2 have a reporting line as provided in Schedule 1;

3.2.3 at all times promptly give to such person as the Company or any Associated Company may direct (in writing if so requested) all information, advice and explanations as they may reasonably require in connection with matters relating to their employment or in relation to the business of the Company or any Associated Company generally; and

3.2.4 devote the whole of their time, attention and abilities during their working hours to carrying out their duties under this Agreement in a proper, loyal and efficient manner; and

3.2.5 at all times promote the interests of and maintain the goodwill of the Company and any Associated Company and not knowingly do or willingly permit to be done anything that may result in loss, other than in the normal course of business, or harm to the Company or any Associated Company; and

3.2.6 not at any time make any untrue or misleading statement relating to the Company or any Associated Company; and

3.2.7 carry out his duties or perform such other duties as may be reasonable and report to any Associated Company (without any further remuneration) including accepting any position with any Associated Company as the Company may direct from time to time.

4. Hours of Work

4.1 The Employee is normally required to work 40 hours per week including a daily lunch break of one hour. There will be no additional payment for hours worked in excess of the Employee's normal hours of work.

4.2 The normal hours of work are as specified in Schedule 1 or such other hours as may from time to time be notified to the Employee in writing or otherwise agreed with the Company.

4.3 The Employee may also be required to work such additional hours (without any further remuneration) as may be necessary for the proper performance of their duties.

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4.4 The Employee agrees to exclude the right provided under regulation 4 of the Working Time Regulations 1998 (the Regulations) to limit their working hours to 48 hours per week. Pursuant to regulation 5 of the Regulations, the Employee may, at any time, revoke any agreement by giving three months’ notice in writing to the Company.

5. Place of Work

5.1 The Employee’s normal place of work shall be 60 Threadneedle Street, London, EC2R 8HP or at such other place within London or such other place as reasonably required as the Company may from time to time determine.

5.2 In addition, the Employee shall, in the proper performance of their duties and for the purpose of business trips, travel to such places both within the United Kingdom and abroad as the Company may from time to time require. The Company does not envisage at the present time that the Employee will be required to work outside the United Kingdom for a continuous period of more than one month during their employment. The Employee will be given written notification if there is a change in this position.

6. Probationary Period

6.1 The first three months of this employment will be probationary, unless otherwise agreed.

6.2 During the probationary period, this employment may be terminated as provided for in Schedule 1 by either the Employee or the Company, except that the Company may (without notice or payment in lieu of notice) dismiss the Employee summarily for serious misconduct. During the probationary period, the disciplinary procedure set out in the Staff Handbook may not apply to the Employee’s employment.

6.3 The Employee’s continued employment will be reviewed at the end of the probationary period, at which time the Company may at its discretion decide to extend the probationary period for such period as it considers appropriate, terminate employment or confirm the position of employment.

7. Salary

7.1 The Employee shall receive a base salary as provided for in Schedule 1 payable in arrears by twelve monthly instalments by direct credit transfer to the Employee's bank account by no later than the 24th day of each month.

7.2 It is the policy of the Company to review salaries annually in April although there is no obligation on the Company to increase them. Any changes to salary will be notified in writing to the Employee.

7.3 The Employee may be eligible to be considered for a discretionary bonus at the sole discretion of the Board of directors of Validus Holdings, Ltd (Validus). The Employee shall not be entitled to receive any bonus, if, on the date such bonus is due to be paid, the Employee is under notice of termination (regardless of whether the Company or the Employee has given such notice), is subject to disciplinary proceedings which leads to disciplinary sanctions, is on garden leave pursuant to Clause 17 or if the employment has terminated. Any bonus award may be paid with a deferred period and

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if joining part-way through a calendar year will be pro-rated. If joining after 1^st October the Employee will not be eligible for a bonus award payable in the following year.

8. Pension

8.1 During each year of the Employee’s employment, the Company shall contribute an amount equal to a percentage as per Schedule 1 of the Employee's base salary in equal monthly instalments in arrears to the Talbot Underwriting Services Ltd Group Personal Pension Plan or such other scheme that the Company may put in place from time to time. The Company's contributions to such scheme shall be subject to the rules of the scheme and the tax relief and exemptions available from HMRC, as amended from time to time.

8.2 No contracting out certificate under the Pensions Schemes Act 1993 is in force in respect of the Employee's employment under this Agreement.

9. Other Benefits (excluding pension)

9.1 The Company seeks to maintain benefit cover for all its Employees as detailed below although it reserves the right at any time to change the provider and the terms of any such benefits. Further, should the Company reach the view that it can no longer justify the costs of providing all or some of such benefits or the provisions of all or part of the benefits is no longer possible then it reserves the right to withdraw all or part of the benefits it provides under this Agreement.

9.2 The Employee will be eligible to participate in the private medical insurance scheme operated by the Company which provides cover for the Employee, their spouse, civil partner or long term partner and dependent children, subject to cover being accepted by the insurance company and to any conditions that the insurance company may impose.

9.3 The Employee shall be entitled to participate in the Company's life assurance scheme which shall pay to the Employee's dependants, if the Employee dies during his employment, a sum equal to: four times the Employee's base salary if the Employee's marital status is single; or eight times the Employee's base salary if the Employee is married or has a civil partner or long term partner. Participation is subject to:

(i) the terms of the Company's life assurance scheme, as amended from time to time;

(ii) the rules of the insurance policy of the relevant insurance provider, as amended from time to time; and

(iii) the Employee satisfying the normal underwriting requirements of the relevant insurance provider.

9.4 The Employee will be eligible to join the permanent health insurance plan operated by the Company from time to time and the premium in connection with such plan will be paid for by the Company. Benefit will be payable only in accordance with the terms of the plan. If benefit is refused by the insurer there will be no obligation on the Company to make any payment to the Employee. If the insurer accepts a claim under the terms of the plan from time to time in force, the Employee shall, from the date of such acceptance, no longer be eligible to receive any base salary but the Employee will continue to be eligible to participate in the private medical insurance scheme pursuant to Clause 9.1 above, subject to cover being accepted by the insurance company and to any conditions that the insurance company may impose. Further details are set out in the Staff Handbook.

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9.5 Details of other benefits to which the Employee may be entitled are set out in the Staff Handbook.

10. Expenses

10.1 The Company shall reimburse the Employee against production of receipts, if requested, all reasonable travelling (other than to and from the usual place of work), hotel, entertainment and other out‑of‑pocket expenses which the Employee may from time to time be authorised to incur in the execution of his duties under this agreement. Further details are set out in the Staff Handbook.

11. Holidays

11.1 In addition to normal bank and public holidays applicable in England the Employee’s entitlement to paid holiday is set out in Schedule 1 which is to be taken at such time or times as may be approved by the Employee’s line manager as set out Schedule 1. If the Employee is working part-time, the amount of paid holiday will be calculated on a pro rata basis and notified to them.

11.2 The Company's holiday year runs from 1 January to 31 December.

11.3 Upon termination the Company may at its discretion require the Employee to take, during his notice period and any period of garden leave, any holiday entitlement which will have accrued by the Termination Date but which has not been taken.

11.4 If the Employee's employment commences or terminates part way through a holiday year, the Employee's entitlement to holiday during that year will be assessed on a pro rata basis. Subject to the Company's discretion, payment for holiday entitlement accrued but not taken will only be made on termination of employment. If, on termination, the Employee has taken more holiday than his accrued holiday entitlement, he will be required to reimburse to the Company in respect of the excess days taken and the Employee hereby authorises the Company to make deductions in respect of the same from his final salary payment. For the avoidance of doubt, a day's holiday pay is 1/260 of the Employee's base salary.

11.5 Further details regarding holidays are set out in the Staff Handbook.

12. Confidential Information

12.1    For the purposes of this Clause 12, confidential information means, without limitation:

(i) trade secrets;

(ii) any inventions or improvements which the Employee may from time to time make or discover in the course of his duties;

(iii) details of clients of the Company or any Associated Company including insureds’ and reinsureds’ premiums charged to them and premiums paid to reinsurers, claims, account information, the services provided and the Company's or any Associated Company's terms of business with clients, brokers, coverholders and other agents;

(iv) business marketing plans, budgets and accounts;

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(v) any proposals relating to the future of the Company or any Associated Company or its or their business or any part thereof;

(vi) details of employees and officers of the Company or any Associated Company and of the remuneration and other benefits paid to them;

(vii) information relating to business matters, corporate plans, management systems, finances, marketing or sales of any past, present or future products or services, processes, designs, know how, pitch lists, policy wordings, broker lists, intermediary lists, customer lists, analyses, data, spreadsheets, models, software, applications and technical information relating to the creation, production or supply of any past, present or future products or services of the Company or any Associated Company, any information given to the Company or any Associated Company in confidence by clients, insureds, reinsureds, brokers, agents, intermediaries, coverholders or other persons and any other information (whether or not recorded in documentary form, or on computer disk or tape) which is confidential or commercially sensitive and is not in the public domain; and

(viii) any other information which is notified to the Employee as confidential.

12.2 The Employee shall not, either during his employment or thereafter, except in the proper course of his duties or as required by law or regulation/regulators, use for his own or another party's benefit, or divulge or disclose to any person any Confidential Information concerning the business or affairs of the Company or any Associated Company, or any of its or their clients, customers, insureds, reinsureds, brokers, agents, intermediaries or coverholders which may have come to his knowledge at any time during his employment by the Company or any Associated Company. This Clause will cease to apply to information which enters the public domain other than (directly or indirectly) through the acts or omissions of the Employee.

13. Competitive Activities

13.1 During the term of this Agreement the Employee shall not (unless otherwise agreed in writing by the Company) undertake any other business or profession or be or become an employee or agent of any other firm, company or other person or assist, be concerned in or have any financial interest, whether directly or indirectly, in any other business or profession including a business that is not trading or that is not in competition with the Company or any Associated Company. The Employee may hold or acquire not more than 4%, by way of bona fide investment only, of the shares or other securities of any company in competition with the Company or any Associated Company which are listed or dealt in on any recognised Stock Exchange, provided that the Employee promptly discloses such holding or acquisition to the Company or Associated Company. The Company may require the Employee to divest of any investment in any particular case on the ground that such other company is or may be carrying on a business competing or intending to compete with the business of the Company or any Associated Company or may cause a conflict of interests between those of the Company or any Associated Company and those of such company or the Employee or may breach any law or regulation binding on the Company, any Associated Company or the Employee.

13.2 In addition the Employee shall be entitled to engage in such activities as may be appropriate in order to manage his personal investments in so far as such activities do not materially interfere or conflict with the Employee’s performance of his duties under this Agreement.

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14. Post-Termination Restrictions

14.1 The Employee will not within the Prohibited Area directly or indirectly or otherwise or on behalf of any other person, without the prior written consent of the Company, carry on, be engaged, concerned or otherwise interested for the Restricted Period  in any business which is in competition with any Restricted Business.

14.2 The Employee will not, directly or otherwise or on behalf of any other person, without the prior written consent of the Company, for the Restricted Period, in respect of any business which is in competition with any Restricted Business;

(A) solicit, interfere with, canvas, entice away or endeavour to solicit any Client or Prospective Client;

(B) communicate with or accept the business of any Client or Prospective Client;

(C) offer employment to or otherwise endeavour to entice away from the Company or any Associated Company any Restricted Employee; or

(D) engage or otherwise work with any Restricted Employee in any business which is in competition with any Restricted Business.

In the above Clauses, the words and phrases set out below shall have the following meanings:

Client shall mean any person, firm, company or other organisation whom at any time during the period (see Schedule 1) ending on the Termination Date was a client or customer of the Company or any Associated Company in connection with the Restricted Business and with whom the Employee has had material dealings during such period.

Prohibited Area shall mean London, Bermuda or any location in which the Company or any Associated Company has an office.

Prospective Client shall mean any person, firm, company, broker, MGA or other organisation with whom at any time during the period (see Schedule 1) ending on the Termination Date the Company or any Associated Company has had negotiations or discussions in connection with the provision of the Restricted Business and with whom the Employee has had material dealings during such period.

Restricted Business means those of the businesses of the Company or any Associated Company with which the Employee was involved to a material extent at any time during the period (see Schedule 1) ending on the Termination Date;

Restricted Employee means any person who at the Termination Date was an employee of the Company and/or any Associated Company who could materially damage the interests of the Company and/or any Associated Company if he became engaged or employed in any business concern in competition with any Restricted Business and with whom the Employee had material dealings with during the period of 12 months ending on the Termination Date;

Restricted Period means the period (see Schedule 1) after the Termination Date, less any period that the Employee has spent on garden leave pursuant to this Agreement.

14.3 The Employee agrees and acknowledges that before entering into this Agreement he had the opportunity to obtain independent legal advice on the restrictions in this Clause 14 that the restrictions set out above are no wider or more restrictive than is reasonably necessary for the protection of the legitimate business interests of the Company and any Associated Company and further that the effect of those restrictions is not such as to prevent the Employee from earning a living.

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14.4 The Employee agrees that the restrictions contained in Clause 14 of this Agreement shall be read and construed independently of the others and that all such restrictions are considered reasonable by the parties to this Agreement. In the event that any such restriction shall be found or held to be void in circumstances where it would be valid if some part of it were deleted or the period scope or distance of application reduced the parties to this Agreement agree that such restriction shall apply with such modification as may be necessary to make it valid and effective and that any such modification shall not affect the validity of any other restriction contained in this Agreement.

14.5 Without prejudice to the Company’s right to enforce this Agreement in respect of any Associated Company it is agreed that the covenants contained in this Clause 14 shall inure for the benefit of any relevant Associated Company and that the same shall be enforceable against the Executive by that Associated Company as if it were a party to this Agreement.

15. Return of Property

15.1 For the purposes of this Clause 15, Property means all property belonging to the Company and/or any Associated Company including but not limited to keys, computer equipment, all lists of clients or customers, correspondence and all other documents, papers and records (including, without limitation, any records stored by electronic means, together with any codes or implements necessary to give full access to such records), confidential information, system designs, software designs, software programmes (in whatever media), presentations, proposals or specifications which may have been prepared by the Employee or have come into their possession, custody or control in the course of their employment.

15.2 The Employee shall promptly whenever requested by the Company and in any event upon the termination of their employment or during any period of garden leave pursuant to Clause 17 deliver up to the Company all Property of the Company or any Associated Company and the Employee shall not be entitled to and shall not retain any copies thereof. The Employee shall also promptly provide any passwords whenever requested by a suitably authorised member of the Company.

16. Sickness

16.1 If the Employee is unable to work due to illness or injury, they should inform the HR Department and/or their Line Manager by 9.30am on the first day of absence. The Employee must also comply with the absence procedures set out in the Staff Handbook.

16.2 Subject to the Employee complying with Clause 16.1, the number of working days for which the Company will pay their base salary while they are absent due to sickness or injury is set out in the Staff Handbook. Such remuneration shall include any sums the Company is obliged to pay to the Employee pursuant to any social security or sick pay legislation. The Company may reduce remuneration during incapacity by an amount equal to the benefit (excluding any lump sum benefit) which the Employee would be entitled to claim during such incapacity under the then current social security legislation (whether or not such benefit is claimed by the Employee).

16.3    If the Employee either:

(i) becomes entitled to payment of benefit under the terms of any permanent health insurance scheme from time to time in force; or

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(ii) is refused benefit under that scheme,

all entitlement to base salary shall cease from the earlier of the commencement of the payment of such benefit or the expiry of the relevant period referred to in Clause 16.2.

16.4 If the Employee is unable to work due to illness or injury the Company may require the Employee from time to time to undergo a medical examination by a medical practitioner nominated by the Company. The Company shall bear the cost of any such examination. The Employee agrees that this Agreement shall be taken as the Employee's written authorisation to the nominated medical practitioner to disclose to and discuss with the Company the results of the examination and the matters which arise from it so that the Company can be notified of any matters it considers might impair the Employee's ability to properly discharge their duties. The Company undertakes that, where such information is disclosed to it, it shall be disclosed at the same time to the Employee. The Company shall keep such information confidential and shall limit disclosure of such medical information to only those officers and employees of the Company who have a proper and necessary need to be given the information.

16.5 The Company shall not be liable to pay the Employee any benefit under the permanent health insurance scheme unless it receives payment from the insurer. The Company also reserves the right to terminate the Employee’s employment on notice to the Employee at any time during any period of absence when the Employee is in receipt of permanent health insurance.

17. Garden Leave

17.1 Once notice to terminate the Employee's employment has been given by the Company or the Employee pursuant to Clause 2.2, the Company shall be under no obligation to vest in or assign to the Employee any powers or duties or to provide any work for the Employee and may exclude the Employee from any premises of the Company or any Associated Company for all or any part of the notice period.

17.2 The Company reserves the right to withdraw any rights or duties assigned to the Employee and may require the Employee to carry out other projects which are outside the Employee’s normal duties but commensurate to the Employee’s position within the Company.

17.3 During any period of Garden Leave the Employee shall:

(i) continue to receive their salary and all contractual benefits in the usual way subject to clause 7.3 and subject to the terms of any benefit arrangement;

(ii) remain an employee of the Company and bound by the terms of this Agreement and the Staff handbook to the extent they apply;

(iii) not, without the prior written consent of the Company, contact or deal with any insurance broker, consultant, client, customer, supplier, agent, distributor, shareholder, adviser or other business contact of the Company or any Associated Company;

(iv) resign from the Board of the Company or any Associated Company to which the Employee may be employed as a director; and

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(v) keep HR reasonably informed of their whereabouts on a regular basis and how they can be contacted during the working week other than any day when it is agreed that they are on holiday.

18. Summary Termination of Employment

18.1 The Company may terminate the employment of the Employee, without notice or payment in lieu of notice, if the Employee:

(i) is convicted of any criminal offence (other than a motoring offence for which no custodial sentence is given to him) which in the reasonable opinion of the Company demonstrated unsuitability for further employment with the Company; or

(ii) shall be or become prohibited by law from being a director (applicable only to directors); or

(iii) shall be guilty of fraud, dishonesty or serious misconduct (which, for the avoidance of doubt, includes any conduct which may bring the Company or any Associated Company or the Employee into disrepute) or shall commit any serious or persistent breach of any of his obligations (for which warnings have been given to the Employee) to the Company or any Associated Company (under this Agreement); or

(iv)    is declared bankrupt or has an IVA in place; or

(v)    ceases to be eligible to work within the United Kingdom.

18.2 Any delay or forbearance by the Company in exercising any right of termination under this Clause shall not constitute a waiver of it.

18.3 In order to investigate a complaint of misconduct against the Employee the Company is entitled to suspend the Employee on full pay. The Company shall ensure that any suspension is kept for as short a time as is possible.

19. Other Agreements

19.1 The Employee acknowledges and warrants that there are no agreements or arrangements whether written, oral or implied between the Company or any Associated Company and the Employee relating to the employment of the Employee other than those expressly set out in this Agreement, the Staff Handbook and the offer of employment letter and that the Employee is not entering into this Agreement in reliance on any representation not expressly set out in this Agreement, the Staff Handbook and the offer of employment letter. In the event of any conflict the terms in this Agreement shall take precedence.

20. Waiver of Rights

If the Employee’s employment is terminated:

(i) by reason of liquidation of the Company for the purpose of amalgamation or reconstruction; or

(ii) as part of any arrangement for the amalgamation of the undertaking of the Company not including liquidation or the transfer of the whole or part of the undertaking of the Company to any Associated Company; and

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(iii) the Employee is offered suitable alternative employment with the amalgamated or reconstructed company and on terms not generally less favourable to the Employee than the terms of this Agreement,

the Employee will have no claim against the Company under this Agreement in respect of that termination.

21. Data Protection

21.1 The Employee consents to the Company or any Associated Company holding and processing both electronically and manually the data it collects which relates to the Employee for the purposes of the administration and management of its employees and its business and for compliance with applicable procedures, laws and regulations. The Employee also consents to the transfer of such personal information (including sensitive personal data) to other offices the Company may have or to an Associated Company or to other third parties whether or not outside the European Economic Area for administration purposes and other purposes in connection with the Employee’s employment where it is necessary or desirable for the Company to do so.

22. Communications

22.1 Telephone calls made and received by the Employee using the Company’s or any Associated Company’s equipment and use of the Company’s or any Associated Company’s e‑mail system to send or receive personal correspondence may be recorded by the Company or any Associated Company on its communications systems. Any recordings made shall at all times remain the property of the Company or any Associated Company and, if necessary, will be used as evidence in the case of disputes with employees or clients.

23. Severability

23.1 If any provision of this Agreement is determined to be void, invalid, unenforceable or against public policy, such provisions shall be deemed severable from the Agreement, and the remaining provisions of the Agreement will remain unaffected and in full force and effect.

24. Confirmation of Agreement

24.1 The Employee represents and warrants that they have read and understood each and every provision of this Agreement, and that they have freely and voluntarily entered into this Agreement.

25. Miscellaneous Matters

25.1 The Company's grievance procedures apply to the Employee and are outlined in the Staff Handbook. For the avoidance of doubt the procedures are not contractual.

25.2 The Company's disciplinary procedures apply to the Employee and are contained in the Staff Handbook. For the avoidance of doubt, these procedures are not contractual.

25.3 There are no collective agreements which directly affect the terms and conditions set out in this Agreement.

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25.4 At any time during the period of this Agreement, and, in any event, upon the termination of the Employee’s employment (for whatever reason and howsoever arising) the Employee shall immediately repay all outstanding debts or loans due to the Company or any Associated Company and the Company is hereby authorised to deduct from any payment of wages due to the Employee a sum in repayment of all or any part of such debts or loans.

26. References and Background Checking

26.1 The employment is subject always to receipt of references which the Company deems to be satisfactory and in the event that the Employee’s employment has commenced before all references have been obtained, the Company reserves the right to terminate the Employee’s employment with immediate effect in the event that any references obtained are unsatisfactory to the Company.

26.2 The Employee’s employment is subject always to receipt of satisfactory background checks. In the event that the employment has commenced before all checks have been carried out the Company reserves the right to terminate the Employee’s employment with immediate effect in the event that any information gained from the checks is unsatisfactory to the Company.

27. Notices

27.1 Any notice may be given personally to the Employee or to the Secretary of the Company (as the case may be) or may be posted to the Company (for the attention of its Secretary) at its registered office for the time being or to the Employee either at the address given above or at their last known address. Any such notice sent by post shall be deemed served forty-eight hours after it is posted and in proving such service it shall be sufficient to prove that the notice was properly addressed and put in the post.

28. Variation

28.1 The Company reserves the right, at any time and from time to time, to make reasonable non-material changes to any of the Employee's terms and conditions of employment.

28.2 The Employee will be notified of minor changes by way of a general written notice to all employees and any such changes will take effect from the date of the notice.

28.3 The Employee will be given not less than one month's notice of any significant changes. Such changes will be deemed to be accepted unless the Employee notifies the Company in writing of any objections before the expiry of that notice period.

29. Governing Law

29.1 This Agreement shall be governed by and construed under English law and each of the parties hereby irrevocably agrees for the exclusive benefit of the Company that the Courts of England are to have jurisdiction to settle any disputes which may arise out of or in connection with this Agreement.

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IN WITNESS whereof this Agreement has been signed by or on behalf of the parties hereto the day and year first before written.

SIGNED on behalf of the Company:        Signature    /s/ Jane Clouting

Name         Jane Clouting

    Date        March 1, 2013

SIGNED by the Employee             Signature    /s/ P.A. Bilsby

Name        P.A. Bilsby

Date        March 19, 2013

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SCHEDULE 1

Name	Peter Bilsby
Address	17 Meadow Way, Farnborough Park, Locksbottom, Kent, BR6 8LN
Job Title	Chief Executive Officer
Department	Corporate
Line Manager	Chairman
Legal Entity	Talbot Underwriting Services Ltd
Salary	£400,000 per annum
Continuous service date	3rd September 2009
Notice period	Twelve Months
Post-Termination Restrictions Period	Twelve Months
Normal work days	Monday to Friday
Normal work hours	9.30am to 5.30pm
Employer pension contribution	20%
Holiday	30 days per annum
Date of Contract Amendment	1st March 2016
Signed by the employee	/s/ P.A. Bilsby
Signed on behalf of the company	/s/ Dominic Scarlett

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EX-12

Exhibit 12

VALIDUS HOLDINGS, LTD.

RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED SHARE DIVIDENDS

The following table sets forth our historical ratio of earnings to fixed charges for each of the periods indicated:

	Years Ended December 31,
	2016			2015			2014			2013			2012
Net income available to Validus	$	363,839		$	374,893		$	479,963		$	532,666		$	408,438
Tax (benefit) expense	(19,729		)	6,376			155			383			2,501
Pre-tax net income available to Validus	344,110			381,269			480,118			533,049			410,939
Distributed income from investment affiliates	11,089			—			—			—			—
Distributed (losses) from operating affiliate	(761		)	(9,505		)	—			—			—
Loss (income) from investment affiliates	2,083			(4,281		)	(8,411		)	(4,790		)	964
Loss (income) from operating affiliate	23			3,949			4,340			(542		)	1,758
Earnings before fixed charges	356,544			371,432			476,047			527,717			413,661
Estimated interest component of rent expense (a)	3,254			3,381			3,513			3,405			2,557
2006 Junior Subordinated Deferrable Debentures	8,893			8,868			8,868			8,868			6,964
2007 Junior Subordinated Deferrable Debentures	7,362			7,341			7,341			7,341			8,922
Flagstone 2006 Junior Subordinated Deferrable Debentures	9,028			8,989			9,001			8,259			459
Flagstone 2007 Junior Subordinated Deferrable Debentures	7,100			7,123			7,129			6,222			327
2010 Senior Notes due 2040	22,388			22,388			22,388			22,388			22,388
Other finance expenses (b)	3,749			20,033			13,597			14,929			20,650
Fixed charges	61,774			78,123			71,837			71,412			62,267
Earnings available for fixed charges	$	418,318		$	449,555		$	547,884		$	599,129		$	475,928
Ratio of earnings to fixed charges	6.77			5.75			7.63			8.39			7.64
Fixed charges	$	61,774		$	78,123		$	71,837		$	71,412		$	62,267
Preferred share dividends (c)	4,455			—			—			—			—
Fixed charges and preferred share dividends	$	66,229		78,123			$	71,837		$	71,412		$	62,267
Ratio of earnings to fixed charges and preferred share dividends	6.32			5.75			7.63			8.39			7.64

___________________________

(a) 33.3% represents a reasonable approximation of the interest factor.

(b) Other finance expenses consist of fees relating to credit facilities, bank charges, Talbot FAL facility and other charges as well as fees incurred by AlphaCat Managers Ltd. in relation to fund raising for the AlphaCat sidecars, the AlphaCat ILS funds and AlphaCat direct.

(d) Dividends have been tax effected at a 0% rate as it is presumed they will be funded from a Bermuda entity.

EX-21

	Exhibit 21
Validus Holdings, Ltd.
List of Subsidiaries
		Ownership Interest Held By Immediate Parent 100% unless otherwise indicated
Subsidiary	Jurisdiction
Validus Holdings, Ltd.	Bermuda
Validus Reinsurance, Ltd.	Bermuda
Validus Amalgamation Subsidiary, Ltd.	Bermuda
Underwriting Risk Services S.A.	Chile	99.0%
Validus Re Americas, Ltd.	Bermuda
AlphaCat Re 2011 Ltd.	Bermuda	22.3%
AlphaCat Re 2012 Ltd.	Bermuda	37.9%
AlphaCat 2013, Ltd.	Bermuda	19.7%
AlphaCat 2014, Ltd.	Bermuda	19.6%
AlphaCat 2015, Ltd.	Bermuda	20.0%
BetaCat Ltd.	Bermuda
Validus Holdings (UK) Plc	United Kingdom
Validus Specialty, Inc.	Delaware
AlphaCat Capital Inc.	Delaware
Validus Underwriters, Inc.	Massachusetts
Validus America, Inc.	Delaware
Validus Services, Inc.	Delaware
Validus Reaseguros, Inc.	Florida
Validus Re Americas, (New Jersey) Inc.	New Jersey
Talbot Underwriting Services (US), Ltd.	Delaware
Western World Insurance Group, Inc.	Delaware
Western World Insurance Company	New Hampshire
Stratford Insurance Company	New Hampshire
Tudor Insurance Company	New Hampshire
Westco Insurance Managers, Inc.	New Jersey
Westco Claims Management Services, Inc.	New Jersey
Flagstone Reinsurance (Luxembourg), SARL	Luxembourg
Validus Risk Services (Ireland) Limited	Ireland
Validus Research, Inc.	Ontario
IPCRe Limited	Bermuda
Validus UPS, Ltd.	Bermuda
Flagstone (Bermuda) Holdings Limited	Bermuda
IAL Leasing Ltd.	Bermuda
Mont Fort Re Ltd.	Bermuda
Flagstone (Mauritius) Limited	Mauritius
Flagstone Underwriting Support Services (India) Pvt Ltd.	India	99.0%
Flagstone Finance S.A.	Luxembourg
Validus Reinsurance (Switzerland) Ltd	Switzerland
L.P. Holdings Limited	Cyprus
Limassol Power Plant Limited	Cyprus
Flagstone Africa (Pty) Limited	South Africa

		Ownership Interest Held By Immediate Parent 100% unless otherwise indicated
Subsidiary	Jurisdiction
Validus Services (Bermuda), Ltd.	Bermuda
Validus Ventures Ltd.	Bermuda
AlphaCat Managers Ltd.	Bermuda
AlphaCat Advantage Fund Ltd.	Bermuda
AlphaCat Reinsurance Ltd.	Bermuda
AlphaCat Diversified Fund Ltd.	Bermuda
AlphaCat Master Fund Ltd.	Bermuda
BetaCat Fund Ltd.	Bermuda
BetaCat Feeder Fund I Ltd.	Bermuda
AlphaCat Prima Fund Ltd.	Bermuda
AlphaCat Soteria Fund Ltd.	Bermuda
AlphaCat Opportunities Ltd.	Bermuda
Talbot Holdings Ltd.	Bermuda
Talbot Capital Ltd.	Bermuda
Talbot 2002 Underwriting Capital Ltd.	United Kingdom
Talbot Underwriting Holdings Ltd.	United Kingdom
Talbot Underwriting Services, Ltd.	United Kingdom
Talbot Underwriting Ltd.	United Kingdom
Talbot Underwriting (LATAM) S.A.	Chile	99.0%
Talbot Risk Services Pte, Ltd.	Singapore
Talbot Underwriting (MENA) Ltd.	Dubai
Talbot Risk Services (Labuan) Pte. Ltd.	Labuan
Talbot Underwriting Risk Services, Ltd.	United Kingdom
Talbot Insurance (Bermuda), Ltd.	Bermuda
Talbot Underwriting Capital Ltd.	United Kingdom

EX-23

Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-197723) and Form S-8 (No. 333-147028) of Validus Holdings, Ltd. of our report dated February 23, 2017 relating to the financial statements, financial statement schedules and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers Ltd.

Hamilton, Bermuda

February 23, 2017

EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

VALIDUS HOLDINGS, LTD.

PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

(Chapter 98, Title 15 U.S.C. SS. 7241)

I, Edward J. Noonan, certify that:

1. I have reviewed this Annual Report on Form 10-K of Validus Holdings, Ltd.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's Board of Directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Dated: February 23, 2017

/s/ EDWARD J. NOONAN

Edward J. Noonan

Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

VALIDUS HOLDINGS, LTD.

PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

(Chapter 98, Title 15 U.S.C. SS. 7241)

I, Jeffrey D. Sangster, certify that:

1. I have reviewed this Annual Report on Form 10-K of Validus Holdings, Ltd.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's Board of Directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Dated: February 23, 2017

/s/ JEFFREY D. SANGSTER

Jeffrey D. Sangster

 Executive Vice President and Chief Financial Officer

EX-32

Exhibit 32

CERTIFICATION ACCOMPANYING FORM 10-K REPORT

OF

VALIDUS HOLDINGS, LTD. PURSUANT TO SECTION 906 OF THE

SARBANES-OXLEY ACT OF 2002

(Chapter 63, Title 18 U.S.C. SS.SS. 1350(a) and (b))

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Chapter 63, Title 18 U.S.C. ss.ss. 1350(a) and (b)), each of the undersigned hereby certifies that the Annual Report on Form 10-K for the fiscal year ended December 31, 2016 of Validus Holdings, Ltd. (the "Company") fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934 and that the information contained in such Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: February 23, 2017

/s/ EDWARD J. NOONAN

Edward J. Noonan

Chief Executive Officer

Validus Holdings, Ltd.

Dated: February 23, 2017

/s/ JEFFREY D. SANGSTER

Jeffrey D. Sangster

 Executive Vice President and Chief Financial Officer

Validus Holdings, Ltd.

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Validus Holdings, Ltd. and will be retained by Validus Holdings, Ltd. and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Feb. 22, 2017	Jun. 30, 2016
Document and Entity Information [Abstract]
Entity Registrant Name	VALIDUS HOLDINGS LTD
Entity Central Index Key	0001348259
Document Type	10-K
Document Period End Date	Dec. 31, 2016
Amendment Flag	false
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		79,132,252
Entity Public Float			$ 3,285.5

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets
Fixed maturities trading, at fair value (amortized cost: 2016—$5,584,599; 2015—$5,556,900)	$ 5,543,030	$ 5,510,331
Short-term investments trading, at fair value (amortized cost: 2016—$2,796,358; 2015—$1,941,615)	2,796,170	1,941,635
Other investments, at fair value (cost: 2016—$380,130; 2015—$315,963)	405,712	336,856
Investments in investment affiliates, equity method (cost: 2016—$84,840; 2015—$69,794)	100,431	87,673
Cash and cash equivalents	419,976	723,109
Restricted cash	70,956	73,270
Total investments and cash	9,336,275	8,672,874
Investment in operating affiliate, equity method (cost: 2016—$nil; 2015—$392)	0	392
Premiums receivable	725,390	658,682
Deferred acquisition costs	209,227	181,002
Prepaid reinsurance premiums	77,996	77,992
Securities lending collateral	9,779	4,863
Loss reserves recoverable	430,421	350,586
Paid losses recoverable	35,247	23,071
Income taxes receivable	4,870	16,228
Deferred tax asset	43,529	21,661
Receivable for investments sold	3,901	39,766
Intangible assets	115,592	121,258
Goodwill	196,758	196,758
Accrued investment income	26,488	23,897
Other assets	134,282	126,782
Total assets	11,349,755	10,515,812
Liabilities
Reserve for losses and loss expenses	2,995,195	2,996,567
Unearned premiums	1,076,049	966,210
Reinsurance balances payable	54,781	75,380
Securities lending payable	10,245	5,329
Deferred tax liability	3,331	3,847
Payable for investments purchased	29,447	77,475
Accounts payable and accrued expenses	587,648	627,331
Notes payable to AlphaCat investors	278,202	75,493
Senior notes payable	245,362	245,161
Debentures payable	537,226	537,668
Total liabilities	5,817,486	5,610,461
Commitments and contingent liabilities
Redeemable noncontrolling interests	1,528,001	1,111,714
Shareholders' equity
Preferred shares (Issued and Outstanding: 2016—6,000; 2015—nil)	150,000	0
Common shares (Issued: 2016—161,279,976; 2015—160,570,772; Outstanding: 2016—79,132,252; 2015—82,900,617)	28,224	28,100
Treasury shares (2016—82,147,724; 2015—77,670,155)	(14,376)	(13,592)
Additional paid-in-capital	821,023	1,002,980
Accumulated other comprehensive loss	(23,216)	(12,569)
Retained earnings	2,876,636	2,634,056
Total shareholders' equity available to Validus	3,838,291	3,638,975
Noncontrolling interests	165,977	154,662
Total shareholders' equity	4,004,268	3,793,637
Total liabilities, noncontrolling interests and shareholders’ equity	$ 11,349,755	$ 10,515,812

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets
Fixed maturities, at amortized cost	$ 5,584,599	$ 5,556,900
Short-term investments, at amortized cost	2,796,358	1,941,615
Other investments, at amortized cost	380,130	315,963
Investments in investment affiliates, at cost	84,840	69,794
Investments in operating affiliates, at cost	$ 0	$ 392
Shareholders' equity
Preferred Stock, Shares Issued	6,000	0
Preferred Stock, Shares Outstanding	6,000	0
Common shares, par value	$ 0.175	$ 0.175
Common shares, shares issued	161,279,976	160,570,772
Common shares, shares outstanding	79,132,252	82,900,617
Treasury stock, common shares	82,147,724	77,670,155

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues
Gross premiums written	$ 2,648,705	$ 2,557,506	$ 2,358,865
Reinsurance premiums ceded	(289,705)	(328,681)	(313,208)
Net premiums written	2,359,000	2,228,825	2,045,657
Change in unearned premiums	(109,835)	18,064	(52,602)
Net premiums earned	2,249,165	2,246,889	1,993,055
Net investment income	150,385	127,824	100,086
Net realized gains on investments	15,757	2,298	14,917
Change in net unrealized gains (losses) on investments	16,871	(32,395)	(2,842)
(Loss) income from investment affiliates	(2,083)	4,281	8,411
Other insurance related income and other income	2,195	5,111	1,229
Foreign exchange gains (losses)	10,864	(8,731)	(12,181)
Total revenues	2,443,154	2,345,277	2,102,675
Expenses
Losses and loss expenses	1,065,097	977,833	765,015
Policy acquisition costs	449,482	410,058	339,467
General and administrative expenses	336,294	363,709	329,362
Share compensation expenses	42,907	38,341	33,073
Finance expenses	58,520	74,742	68,324
Transaction expenses	0	0	8,096	[1]
Total expenses	1,952,300	1,864,683	1,543,337
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors	490,854	480,594	559,338
Tax benefit (expense)	19,729	(6,376)	(155)
Loss from operating affiliate	(23)	(3,949)	(4,340)
(Income) attributable to AlphaCat investors	(23,358)	(2,412)	0
Net income	487,202	467,857	554,843
Net (income) attributable to noncontrolling interests	(123,363)	(92,964)	(74,880)
Net income available to Validus	363,839	374,893	479,963
Dividends on preferred shares	(4,455)	0	0
Net income available to Validus common shareholders	359,384	374,893	479,963
Other comprehensive (loss) income:
Change in foreign currency translation adjustments	(10,440)	(3,716)	(7,501)
Change in minimum pension liability, net of tax	(484)	544	(210)
Change in fair value of cash flow hedge	277	(841)	(228)
Other comprehensive (loss), net of tax	(10,647)	(4,013)	(7,939)
Comprehensive (income) attributable to noncontrolling interests	(123,363)	(92,964)	(74,880)
Comprehensive income available to Validus	$ 353,192	$ 370,880	$ 472,024
Earnings per share
Basic earnings per share available to common shareholders	$ 4.43	$ 4.47	$ 5.24
Earnings per diluted share available to common shareholders	4.36	4.34	5.07
Cash dividends declared per share	$ 1.40	$ 1.28	$ 1.20
Weighted average number of common shares and common share equivalents outstanding
Basic (shares)	81,041,974	83,107,236	90,354,745
Diluted (shares)	82,359,460	86,426,760	94,690,271

[1] The transaction expenses relate to costs incurred in connection with the acquisition of Western World, which was completed on October 2, 2014. Transaction expenses are primarily comprised of legal, financial advisory and audit related services.

XML

Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Preferred shares	Common shares	Treasury shares	Additional paid-in capital	Accumulated other comprehensive loss	Retained earnings
Total shareholders' equity						$ (617)
Balance - Beginning of period at Dec. 31, 2013		$ 0	$ 27,036	$ (10,228)	$ 1,677,894	(617)	$ 2,010,009
Preferred shares issued		0
Common shares issued, net			186		5,161
Offering expenses on preferred shares					0
Repurchase of common shares				(2,317)	(508,635)
Share compensation expenses					33,073
Other comprehensive loss	$ (7,939)					(7,939)
Net income	554,843						554,843
Net (income) attributable to noncontrolling interests	(74,880)						(74,880)
Dividends on common shares							(117,000)
Dividends on preferred shares							0
Balance - End of period at Dec. 31, 2014	3,586,586	0	27,222	(12,545)	1,207,493	(8,556)	2,372,972
Noncontrolling interests	292,274
Total shareholders' equity	3,878,860					(8,556)
Preferred shares issued		0
Common shares issued, net			878		16,529
Offering expenses on preferred shares					0
Repurchase of common shares				(1,047)	(259,383)
Share compensation expenses					38,341
Other comprehensive loss	(4,013)					(4,013)
Net income	467,857						467,857
Net (income) attributable to noncontrolling interests	(92,964)						(92,964)
Dividends on common shares							(113,809)
Dividends on preferred shares							0
Balance - End of period at Dec. 31, 2015	3,638,975	0	28,100	(13,592)	1,002,980	(12,569)	2,634,056
Noncontrolling interests	154,662
Total shareholders' equity	3,793,637					(12,569)
Preferred shares issued		150,000
Common shares issued, net			124		(7,825)
Offering expenses on preferred shares					(5,148)
Repurchase of common shares				(784)	(211,891)
Share compensation expenses					42,907
Other comprehensive loss	(10,647)					(10,647)
Net income	487,202						487,202
Net (income) attributable to noncontrolling interests	(123,363)						(123,363)
Dividends on common shares							(116,804)
Dividends on preferred shares							(4,455)
Balance - End of period at Dec. 31, 2016	3,838,291	$ 150,000	$ 28,224	$ (14,376)	$ 821,023	(23,216)	$ 2,876,636
Noncontrolling interests	165,977
Total shareholders' equity	$ 4,004,268					$ (23,216)

XML

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows provided by (used in) operating activities
Net income	$ 487,202	$ 467,857	$ 554,843
Adjustments to reconcile net income to cash provided by operating activities:
Share compensation expenses	42,907	38,341	33,073
Gain on sale of subsidiary	0	0	(709)
Amortization of discount on senior notes	108	108	108
Loss (income) from investment and operating affiliates	2,106	(332)	(4,071)
Net realized and change in net unrealized (gains) losses on investments	(32,628)	30,097	(12,075)
Amortization of intangible assets	5,666	5,666	4,538
Foreign exchange losses included in net income	3,043	18,907	23,591
Amortization of premium on fixed maturity investments	17,961	23,075	19,107
Change in operational balance sheet items:
Premiums receivable	(76,659)	44,154	22,034
Deferred acquisition costs	(28,225)	(19,980)	(27,131)
Prepaid reinsurance premiums	(4)	4,955	34,443
Loss reserves recoverable	(85,264)	24,659	81,824
Paid losses recoverable	(11,932)	15,111	43,580
Reserve for losses and loss expenses	37,042	(231,345)	(404,280)
Unearned premiums	109,839	(23,019)	18,161
Reinsurance balances payable	(18,487)	(52,785)	(32,262)
Other operational balance sheet items, net	(42,472)	(10,963)	(14,613)
Net cash provided by operating activities	410,203	334,506	340,161
Cash flows provided by (used in) investing activities
Proceeds on sales of fixed maturity investments	2,671,226	3,842,408	4,756,555
Proceeds on maturities of fixed maturity investments	349,722	332,410	554,619
Purchases of fixed maturity investments	(3,074,703)	(4,225,031)	(4,391,814)
Purchases of short-term investments, net	(856,021)	(436,690)	(329,301)
Purchases of other investments, net	(64,943)	(5,988)	(143,597)
(Increase) decrease in securities lending collateral	(4,916)	(4,393)	2,922
Distributions from operating affiliates	369	46,603	0
Investments in investment affiliates, net	(14,841)	(19,886)	(12,468)
Decrease in restricted cash	2,314	99,733	27,489
Proceeds on sale of subsidiary, net of cash	0	0	16,459
Purchase of subsidiary, net of cash	0	0	(643,545)
Net cash used in investing activities	(991,793)	(370,834)	(162,681)
Cash flows provided by (used in) financing activities
Net proceeds on issuance of notes payable to AlphaCat investors	296,325	75,493	0
Net proceeds on issuance of preferred shares	144,852	0	0
(Redemption) issuance of common shares, net	(7,701)	17,407	5,347
Purchases of common shares under share repurchase program	(212,675)	(260,430)	(510,952)
Dividends paid on preferred shares	(4,455)	0	0
Dividends paid on common shares	(115,625)	(112,967)	(117,043)
Increase (decrease) in securities lending payable	4,916	4,393	(2,922)
Third party investments in redeemable noncontrolling interests	393,450	499,200	300,200
Third party redemptions of redeemable noncontrolling interests	(17,285)	(86,933)	(13,192)
Third party investments in noncontrolling interests	171,674	9,600	117,243
Third party distributions of noncontrolling interests	(127,103)	(168,758)	(237,183)
Third party subscriptions (deployed) received on AlphaCat Funds and Sidecars	(225,284)	249,636	127,400
Net cash provided by (used in) financing activities	301,089	226,641	(331,102)
Effect of foreign currency rate changes on cash and cash equivalents	(22,632)	(17,605)	(25,310)
Net (decrease) increase in cash and cash equivalents	(303,133)	172,708	(178,932)
Cash and cash equivalents - beginning of year	723,109	550,401	729,333
Cash and cash equivalents - end of year	419,976	723,109	550,401
Supplemental disclosure of cash flow information:
Taxes paid during the year	6,034	16,050	42,689
Interest paid during the year	$ 54,638	$ 55,047	$ 54,526

XML

Nature of the business

12 Months Ended

Dec. 31, 2016

Nature Of Business [Abstract]

Nature of the business

Nature of the business

Validus Holdings, Ltd. (together with its wholly and majority owned subsidiaries, the “Company”) was incorporated under the laws of Bermuda on October 19, 2005. The Company provides reinsurance coverage, insurance coverage and insurance linked securities (“ILS”) management through four distinct global operating segments, Validus Re, Talbot, Western World, and AlphaCat. Validus Re is a global reinsurance segment focused primarily on treaty reinsurance. Talbot is a specialty insurance segment, primarily operating within the Lloyd’s insurance market through Syndicate 1183. Western World is a U.S. based specialty excess and surplus lines insurance segment operating within the U.S. commercial market. AlphaCat is a Bermuda based investment adviser, managing capital for third parties and the Company in ILS and other property catastrophe and specialty reinsurance investments.

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Basis of preparation and consolidation

12 Months Ended

Dec. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of preparation and consolidation

Basis of preparation and consolidation

These Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”). The Company consolidates in these Consolidated Financial Statements the results of operations and financial position of all voting interest entities (“VOE”) in which the Company has a controlling financial interest and all variable interest entities (“VIE”) in which the Company is considered to be the primary beneficiary. The consolidation assessment, including the determination as to whether an entity qualifies as a VIE or VOE, depends on the facts and circumstances surrounding each entity.

All significant intercompany accounts and transactions have been eliminated.

The preparation of these financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. While management believes that the amounts included in the Consolidated Financial Statements reflect its best estimates and assumptions, actual results could differ from those estimates. The Company’s principal estimates include:

•reserve for losses and loss expenses;

•premium estimates for business written on a line slip or proportional basis;

•the valuation of goodwill and intangible assets;

•reinsurance recoverable balances including the provision for uncollectible amounts; and

•investment valuation of financial assets.

The term “ASC” used in these notes refers to Accounting Standard Codification issued by the United States Financial Accounting Standards Board (the “FASB”).

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Significant accounting policies

12 Months Ended

Dec. 31, 2016

Accounting Policies [Abstract]

Significant accounting policies

Significant accounting policies

The following is a summary of significant accounting policies adopted by the Company.

(a) Premiums

Insurance premiums written are recorded in accordance with the terms of underlying policies. Reinsurance premiums written are recorded at the inception of the policy and are estimated based on information received from brokers, ceding companies and reinsureds, and any subsequent differences arising on such estimates will be recorded in the periods in which they are determined. Premiums written are earned on a pro-rated basis over the term of the policy. For contracts and policies written on a losses occurring basis, the risk period is generally the same as the contract or policy terms. For contracts written on a risks attaching basis, the risk period is based on the terms of the underlying contracts and policies and is generally assumed to be 24 months. The portion of the premiums written applicable to the unexpired terms of the underlying contracts and policies in force is recorded as unearned premiums.

Reinstatement premiums are recorded at the time a loss event occurs and coverage limits for the remaining life of the contract are reinstated under predefined contract terms. The accrual of reinstatement premiums is based on our estimate of losses and loss expenses, which reflects management’s judgment, as described in Note 3(c), “Reserve for losses and loss expenses” below.

(b) Policy acquisition costs

Policy acquisition costs are costs that vary with, and are directly related to, the successful production of new and renewal business, and consist principally of commissions and brokerage expenses. Acquisition costs are shown net of commissions earned on reinsurance ceded. These costs are deferred and amortized over the periods in which the related premiums are earned. Deferred acquisition costs are limited to their estimated realizable value based on the related unearned premiums and anticipated claims expenses. The realizable value of the Company’s deferred acquisition costs is determined without consideration of investment income. Policy acquisition costs also include profit commissions. Profit commissions are recognized on a basis consistent with our estimate of losses and loss expenses.

(c) Reserve for losses and loss expenses

The reserve for losses and loss expenses includes reserves for unpaid reported losses (“case reserves”) and for losses incurred but not reported (“IBNR”). Case reserves are established by management based on reports from brokers, ceding companies and insureds and represents the estimated ultimate cost of events or conditions that have been reported to, or specifically identified by, the Company. IBNR reserves are established by management based on actuarially determined estimates of ultimate losses and loss expenses. Inherent in the estimate of ultimate losses and loss expenses are expected trends in claim severity and frequency and other factors which may vary significantly as claims are settled. Accordingly, ultimate losses and loss expenses may differ materially from the amounts recorded in the Consolidated Financial Statements. These estimates are reviewed regularly and, as experience develops and new information becomes known, the reserves are adjusted as necessary. Such adjustments, if any, will be recorded in earnings in the period in which they become known. Prior period development arises from changes to these estimates recognized in the current year that relate to reserves for losses and loss expenses established in previous calendar years.

(d) Reinsurance

In the normal course of business, the Company seeks to reduce the potential amount of loss arising from claims events by reinsuring certain levels of risk assumed in various areas of exposure with other insurers or reinsurers. The accounting for reinsurance ceded depends on the method of reinsurance. If the policy is on a “losses occurring” basis, reinsurance premiums ceded are expensed (and any commissions thereon are earned) on a pro-rata basis over the period the reinsurance coverage is provided. If the policy is a “risks attaching” policy, reinsurance premiums ceded are expensed (and any commissions thereon are earned) in line with the earning of the gross premiums to which the risk attaching policy relates. Prepaid reinsurance premiums represent the portion of premiums ceded applicable to the unexpired term of policies in force. Mandatory reinstatement premiums ceded are recorded at the time the loss event occurs. Reinsurance recoverables are based on contracts in force at the time of the underlying loss event. The method for determining the reinsurance recoverable on unpaid losses and loss expenses involves the actuarial estimates of unpaid losses and loss expenses as well as a determination of the Company’s ability to cede unpaid losses and loss expenses under its reinsurance treaties. The use of different assumptions could have a material effect on the provision for uncollectible reinsurance. To the extent the creditworthiness of the Company’s reinsurers was to deteriorate due to adverse events affecting the reinsurance industry, such as a large number of major catastrophes, actual uncollectible amounts could be significantly greater than the Company’s provision. Amounts recoverable from reinsurers are estimated in a manner consistent with the underlying liabilities.

(e) Investments

The Company classifies its fixed maturity and short-term investments as trading and accounts for its other investments in accordance with ASC Topic 825 “Financial Instruments.” As such, all investments are carried at fair value with interest and dividend income and realized and unrealized gains and losses included in net income for the year.

All investment transactions are recorded on a first-in-first-out basis and realized gains and losses on the sale of investments are determined on the basis of amortized cost (or cost). Interest on fixed maturity securities is recorded in net investment income when earned and includes amortization of premium or accretion of discount.

For mortgage-backed securities, and any other holdings for which there is a prepayment risk, prepayment assumptions are evaluated and revised as necessary. Any adjustments required due to the resultant change in effective yields and maturities are recognized retrospectively. Prepayment fees or call premiums that are only payable to the Company when a security is called prior to its maturity, are earned when received and reflected in net investment income.

Short-term investments primarily comprise of investments with a remaining maturity of less than one year at time of purchase and money market funds held at the Company’s investment managers. Certain short-term investments relate to funds held in trust in support of collateralized reinsurance transactions.

Restricted cash primarily relates to funds held in trust for support of collateralized reinsurance transactions.

The fair value of other investments is generally recorded on the basis of the net asset valuation criteria established by the managers of the investments, normally based upon the governing documents of such investments. In addition, due to a lag in reporting, some of the fund managers, fund administrators, or both, are unable to provide final fund valuations as of the Company’s reporting date. In these circumstances, the Company estimates the fair value of these funds by starting with the prior month’s or prior quarter’s fund valuation, adjusting these valuations for capital calls, redemptions or distributions and the impact of changes in foreign currency exchange rates, and then estimating the return for the current period. In circumstances in which the Company estimates the return for the current period, it uses all credible information available. This includes utilizing preliminary estimates reported by its fund managers, obtaining the valuation of underlying portfolio investments where such underlying investments are publicly traded and therefore have a readily observable price, using information that is available to the Company with respect to the underlying investments, reviewing various indices for similar investments or asset classes, as well as estimating returns based on the results of similar types of investments for which the Company has reported results, or other valuation methods, as necessary. Actual final fund valuations may differ, perhaps materially so, from the Company’s estimates and these differences are recorded in the period they become known as a change in estimate.

Investments in which the Company has significant influence over the operating and financial policies of the investee are accounted for under the equity method of accounting. Under this method, the Company records its proportionate share of income or loss from such investments in its results for the period.

(f) Fair value of financial instruments

Fair value is defined as the price received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date reflecting the highest and best use valuation concepts. ASC Topic 820 “Fair Value Measurement and Disclosure” provides a framework for measuring fair value by creating a hierarchy of fair value measurements that distinguishes market data between observable independent market inputs and unobservable market assumptions by the reporting entity. The guidance further expands disclosures about such fair value measurements. The guidance applies broadly to most existing accounting pronouncements that require or permit fair value measurements (including both financial and non-financial assets and liabilities) but does not require any new fair value measurements. The Company has adopted all authoritative guidance in effect as of the balance sheet date regarding certain market conditions that allow for fair value measurements that incorporate unobservable inputs where active market transaction based measurements are unavailable.

(g) Derivative instruments

Fair Value Hedges

The Company uses derivative instruments in the form of foreign currency forward exchange contracts to manage foreign currency risk. A foreign currency forward exchange contract involves an obligation to purchase or sell a specified amount of a specified currency at a future date at a price set at the time of the contract. Foreign currency forward exchange contracts will not eliminate fluctuations in the value of our assets and liabilities denominated in foreign currencies but rather allow the Company to establish a rate of exchange for a future point in time. The foreign currency forward exchange contracts are recorded as derivatives at fair value as either assets or liabilities, depending on their rights or obligations, with changes in fair value recorded as a net foreign exchange gain or loss in the Company’s Statements of Income and Comprehensive Income.

To qualify for hedge accounting treatment, the derivative must be highly effective in mitigating the designated changes in fair value of the hedged item. The Company formally documents all relationships between designated hedging instruments and hedged items, as well as its risk management objective and strategy for undertaking various hedge transactions. The documentation process includes linking derivatives to specific assets or liabilities on the balance sheet. The Company also formally assesses, both at the hedge’s inception and on an ongoing basis, whether the derivatives that are used in hedging transactions are highly effective in offsetting the changes in fair value of the hedged items. The Company assesses the effectiveness of its designated hedges on an individual currency basis. If the ratio obtained with this method is within the range of 80% to 125%, the Company considers the hedge effective.

The Company discontinues hedge accounting prospectively when it is determined that the derivative is no longer highly effective in offsetting changes in the fair value of a hedged item; the derivative is de-designated as a hedging instrument; or the derivative expires or is sold, terminated or exercised. To the extent that the Company discontinues hedge accounting, because, based on management’s assessment, the derivative no longer qualifies as an effective hedge, the derivative will continue to be carried in the Consolidated Balance Sheets at its fair value, with changes in its fair value recognized in current period net income through foreign exchange gains (losses).

Cash Flow Hedges

The Company uses derivative instruments in the form of interest rate swaps to manage the interest rate exposure associated with certain assets and liabilities. These derivatives are recorded at fair value. Changes in the fair value of a derivative that is designated and qualifies as a cash flow hedge are recorded in accumulated other comprehensive income (“AOCI”) and are reclassified into earnings when the variability of the cash flow of the hedged item impacts earnings. Gains and losses on derivative contracts that are reclassified from AOCI to current period earnings are included in the line item in the Consolidated Statements of Income and Comprehensive Income in which the cash flows of the hedged item are recorded. Any hedge ineffectiveness is recorded immediately in current period earnings.

To qualify for hedge accounting treatment, a derivative must be highly effective in mitigating the designated changes in cash flow of the hedged item. The Company formally documents all relationships between designated hedging instruments and hedged items, as well as its risk management objective and strategy for undertaking various hedge transactions. The documentation process includes linking derivatives to specific assets or liabilities on the balance sheet. The Company also formally assesses, both at the hedge’s inception and on an ongoing basis, whether the derivatives that are used in hedging transactions are highly effective in offsetting the changes in cash flows of the hedged items. The Company assesses the effectiveness of its designated hedges on an individual contract basis. The Company currently applies the long haul method when assessing the hedge’s effectiveness.

The Company discontinues hedge accounting prospectively when it is determined that the derivative is no longer highly effective in offsetting changes in the cash flows of a hedged item; the derivative is de-designated as a hedging instrument; or the derivative expires or is sold, terminated or exercised. When hedge accounting is discontinued because the Company becomes aware that it is not probable that the forecasted transaction will occur, the derivative continues to be carried on the balance sheet at its fair value, and gains and losses that were included as part of AOCI are reclassified and recognized immediately in earnings.

(h) Cash and cash equivalents

The Company considers time deposits and money market funds with an original maturity of one month or less as equivalent to cash.

(i) Foreign exchange

The U.S. dollar is the functional currency of the Company and the majority of its subsidiaries. For these companies, monetary assets and liabilities denominated in foreign currencies are revalued at the exchange rates in effect at the balance sheet date and revenues and expenses denominated in foreign currencies are translated at the prevailing exchange rate on the transaction date with the resulting foreign exchange gains and losses included in earnings. Non-monetary assets and liabilities denominated in foreign currencies are revalued at the exchange rate in effect at the time of the underlying transaction.

Assets and liabilities of subsidiaries whose functional currency is not the U.S. dollar are translated at prevailing year end exchange rates. Revenue and expenses of such foreign operations are translated at average exchange rates during the year. The net effect of translation differences between functional and reporting currencies in foreign operations, net of applicable deferred income taxes, is included in AOCI.

(j) Stock plans

The Company accounts for its stock plans in accordance with the ASC Topic 718 “Compensation - Stock Compensation.” Accordingly, the Company recognizes the compensation expense for stock option grants, restricted share grants and performance share awards based on the fair value of the award on the date of grant over the requisite service period.

(k) Warrants

The Company has accounted for certain warrant contracts issued to our sponsoring investors in conjunction with the capitalization of the Company, and which may be settled by the Company using either the physical settlement or net-share settlement methods, in accordance with ASC Topic 815 “Derivatives and Hedging, Contracts in Entity’s Own Equity.” Accordingly, the fair value of these warrants has been recorded in equity as an addition to additional paid-in capital.

(l) Earnings per share

Basic earnings per common share is calculated in accordance with ASC Topic 260 “Earnings per Share” by dividing net income available to common shareholders by the weighted average number of common shares outstanding. Earnings per diluted common share are based on the weighted average number of common shares and share equivalents excluding any anti-dilutive effects of warrants, options and other awards under stock plans.

(m) Income taxes and uncertain tax provisions

Deferred tax assets and liabilities are recorded in accordance with ASC Topic 740 “Income Taxes.” Consistent with ASC 740, the Company records deferred income taxes which reflect operating losses and tax credits carried forward and the tax effect of the temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and their respective tax bases.

The Company and its Bermuda domiciled subsidiaries are not subject to any income, withholding or capital gains taxes under current Bermuda law. The Company has operating subsidiaries in various other jurisdictions around the world, including but not limited to the U.K., U.S., Switzerland, Luxembourg and Canada that are subject to relevant taxes in those jurisdictions.

The Company recognizes the tax benefits of uncertain tax positions only where the position is more likely than not to be sustained upon examination by tax authorities based upon the technical merits of the position. Based on the more-likely-than-not recognition threshold, we must presume that the tax position will be subject to examination by a taxing authority with full knowledge of all relevant information. If the recognition threshold is met, then the tax position is measured at the largest amount of benefit that is more than 50% likely of being realized upon ultimate settlement. The Company classifies all interest and penalties related to uncertain tax positions in income tax expenses.

(n) Business combinations, goodwill and other intangible assets

The Company accounts for business combinations in accordance with ASC Topic 805 “Business Combinations” and goodwill and other intangible assets that arise from business combinations in accordance with ASC Topic 350 “Intangibles – Goodwill and Other.”

A purchase price paid that is in excess of the fair value of the net assets acquired (“goodwill”) arising from a business combination is recorded as an asset, and is not amortized. Where the fair value of the net assets acquired exceeds the consideration paid (“negative goodwill”), the acquirer will record a gain as a result of the bargain purchase, to be recognized through the Consolidated Statements of Income and Comprehensive Income at the close of the transaction. Other intangible assets with a finite life are amortized over the estimated useful life of the asset, whereas other intangible assets with an indefinite useful life are not amortized.

Goodwill and other intangible assets are assessed for impairment on an annual basis or more frequently if events or changes in circumstances indicate that it is more likely than not that an impairment exists. Such events or circumstances may include an economic downturn in a geographic market or change in the assessment of future operations. In performing this assessment, the Company may first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform the quantitative goodwill impairment test. Similarly, the Company may first assess qualitative factors to determine whether it is more likely than not that an other intangible asset is impaired as a basis for determining whether it is necessary to perform the quantitative impairment test. The factors assessed in making this determination included the overall insurance industry outlook, business strategy, premium rates, earnings sustainability, market capitalization and the regulatory and political environment.

If goodwill or other intangible assets are impaired, they are written down to their fair value with a corresponding expense reflected in the Consolidated Statements of Income and Comprehensive Income.

(n) Variable interest entities

The Company determines whether it has relationships with entities defined as VIEs in accordance with ASC Topic 810 “Consolidation.” A VIE is consolidated by the variable interest holder that is determined to be the primary beneficiary.

An entity in which the Company holds a variable interest is a VIE if any of the following conditions exist: (a) the total equity investment at risk is not sufficient to permit the entity to finance its activities without additional subordinated financial support, (b) as a group, the holders of equity investment at risk lack either the direct or indirect ability through voting rights or similar rights to make decisions about an entity’s activities that most significantly impact the entity’s economic performance or the obligation to absorb the expected losses or right to receive the expected residual returns, or (c) the voting rights of some investors are disproportionate to their obligation to absorb the expected losses of the entity, their rights to receive the expected residual returns of the entity, or both and substantially all of the entity’s activities either involve or are conducted on behalf of an investor with disproportionately few voting rights.

The primary beneficiary is defined as the variable interest holder that is determined to have the controlling financial interest as a result of having both (a) the power to direct the activities of a VIE that most significantly impact the economic performance of the VIE and (b) the obligation to absorb losses or right to receive benefits from the VIE that could potentially be significant to the VIE. At inception of the VIE, as well as following an event that requires reassessment, the Company determines whether it is the primary beneficiary based on the facts and circumstances surrounding each entity.

(o) Noncontrolling interests

The Company accounts for its noncontrolling interests in accordance with ASC Topic 810 “Consolidation.” Redeemable noncontrolling interests are presented as a mezzanine item, between liabilities and shareholders’ equity, in the Company’s Consolidated Balance Sheet and the non-redeemable noncontrolling interests are presented within shareholders’ equity in the Company’s Consolidated Balance Sheets and Consolidated Statements of Shareholders’ Equity. The net (income) loss attributable to noncontrolling interests is presented separately in the Company’s Consolidated Statements of Income and Comprehensive Income.

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Recent accounting pronouncements

12 Months Ended

Dec. 31, 2016

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Recent accounting pronouncements

Recent accounting pronouncements

(a) Accounting Standards Adopted in 2016

In June 2014, the FASB issued Accounting Standard Update (“ASU”) No. 2014-12, “Compensation - Stock Compensation (Topic 718) - Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period.” The amendments in this ASU apply to all reporting entities that grant their employees share-based payments in which the terms of the award provide that a performance target that affects vesting could be achieved after the requisite service period. That is the case when an employee is eligible to retire or otherwise terminate employment before the end of the period in which a performance target (for example, an initial public offering or a profitability target) could be achieved and still be eligible to vest in the award if and when the performance target is achieved. The amendments in this ASU became effective for the Company on January 1, 2016. Adoption of this guidance did not have a material impact on the Company’s Consolidated Financial Statements.

In August 2014, the FASB issued ASU 2014-13, “Consolidation (Topic 810) - Measuring the Financial Assets and the Financial Liabilities of a Consolidated Collateralized Financing Entity.” The fair value of the financial assets of a collateralized financing entity, as determined under GAAP, may differ from the fair value of its financial liabilities even when the financial liabilities have recourse only to the financial assets. The amendments in this ASU provide an alternative to Topic 820 for measuring the financial assets and the financial liabilities of a consolidated collateralized financing entity to eliminate that difference. The amendments in this ASU became effective for the Company on January 1, 2016. Adoption of this guidance did not have a material impact on the Company’s Consolidated Financial Statements.

In August 2014, the FASB issued ASU 2014-15, “Presentation of Financial Statements - Going Concern (Subtopic 205-40) - Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern.”The amendments in this ASU require management to assess an entity’s ability to continue as a going concern by incorporating and expanding upon certain principles that are currently in U.S. auditing standards. The amendments in this ASU became effective for the Company on January 1, 2016. Adoption of this guidance did not have a material impact on the Company’s Consolidated Financial Statements.

In May 2015, the FASB issued ASU 2015-09, “Financial Services - Insurance (Topic 944) - Disclosures about Short-Duration Contracts.” The amendments in this ASU enhance annual disclosures relating to reserves for losses and loss expenses by requiring the following: (1) net incurred and paid claims development information by accident year; (2) a reconciliation of incurred and paid claims development information to the aggregate carrying amount of the reserve for losses and loss expenses; (3) for each accident year presented, total IBNR plus expected development on case reserves included in the reserve for losses and loss expenses, accompanied by a description of reserving methodologies and any changes thereto; (4) for each accident year presented, quantitative information about claim frequency (unless impracticable) accompanied by a qualitative description of methodologies used for determining claim frequency information and any changes thereto; and (5) the average annual percentage payout of incurred claims by age for the same number of accident years presented. The amendments in this ASU became effective for the Company on January 1, 2016 and the required annual disclosures have been included in Note 14, “Reserves for Losses and Loss Expenses.”

In September 2015, the FASB issued ASU 2015-16, “Business Combinations (Topic 805) - Simplifying the Accounting for Measurement-Period Adjustments.” The amendments in this ASU simplify the accounting for adjustments made to provisional amounts recognized in a business combination by eliminating the requirement to retrospectively account for those adjustments. The amendments in this ASU became effective for the Company on January 1, 2016. Adoption of this guidance did not have a material impact on the Company’s Consolidated Financial Statements.

(b) Recently Issued Accounting Standards Not Yet Adopted

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606).” The guidance in this ASU affects any entity that either enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of nonfinancial assets, unless those contracts are within the scope of other standards (for example, insurance contracts or lease contracts). The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In March and April 2016, the FASB issued ASU 2016-08, “Revenue from Contracts with Customers (Topic 606) - Principal versus Agent Considerations (Reporting Revenue Gross versus Net)” and ASU 2016-10, “Revenue from Contracts with Customers (Topic 606) - Identifying Performance Obligations and Licensing.” The amendments in these ASUs clarify the implementation guidance within ASU 2014-09 on principal versus agent considerations and the aspects of identifying performance obligations, respectively, while retaining the related principals in those areas. In May 2016, the FASB issued ASU 2016-12, “Revenue from Contracts with Customers (Topic 606) - Narrow-Scope Improvements and Practical Expedients.” The amendments in this ASU do not change the core principle of the guidance in Topic 606. Rather, the amendments provide clarifying guidance in a few narrow areas and add practical expedients to reduce the potential for diversity in practice as well as the cost and complexity of applying the guidance. In December 2016, the FASB issued ASU 2016-20, “Technical Corrections and Improvements to Topic 606 - Revenue from Contracts with Customers.” The amendments in this ASU affect narrow aspects of the guidance issued in ASU 2014-09. The original effective date for the amendments in ASU 2014-09 was for annual reporting periods beginning after December 15, 2016; however, in August 2015, the FASB delayed the effective date by one year through the issuance of ASU 2015-14, “Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date.” As such, the new effective date is for interim and annual reporting periods beginning after December 15, 2017. Entities may adopt the standard as of the original effective date; however, earlier adoption is not permitted.

The Company has evaluated this guidance and determined it will likely impact the timing of when performance fees are recognized by AlphaCat Managers Ltd. (“AlphaCat Managers”). Currently, performance fees are recognized by AlphaCat Managers monthly, on a seasonal basis, in line with the underlying insurance contracts of the ILS it manages. However, upon adoption, performance fees will only be recognized when it’s probable that a significant reversal of the amount of cumulative revenue recognized will not occur. While performance fees are variable and dependent on the results of the AlphaCat sidecars and higher risk ILS funds, the impact on the results of the Company would not be material. The Company plans to adopt this guidance on January 1, 2018.

In January 2016, the FASB issued ASU 2016-01, “Financial Instruments - Overall (Subtopic 825-10) - Recognition and measurement of financial assets and financial liabilities.” The amendments in this ASU address certain aspects of recognition, measurement and disclosure of financial instruments and are effective for interim and annual reporting periods beginning after December 15, 2017. Early adoption is not permitted. The Company has evaluated the impact of this guidance and it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2018.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” The amendments in this ASU increase the transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and requiring the disclosure of key information about leasing arrangements. The amendments in this ASU are effective for interim and annual reporting periods beginning after December 15, 2018. Early adoption is permitted. Upon adoption, the Company expects to report higher assets and liabilities as a result of recognizing lease assets and liabilities on the Consolidated Balance Sheet. The Company does not expect the new guidance to have a significant impact on the Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2019.

In March 2016, the FASB issued ASU 2016-07, “Investments-Equity Method and Joint Ventures (Topic 323) - Simplifying the Transition to the Equity Method of Accounting.” The amendments in this ASU eliminate the requirement to retroactively adopt the equity method of accounting when an investment becomes qualified for the equity method of accounting as a result of an increase in the level of ownership interest or degree of influence. The amendments in this ASU are effective for interim and annual reporting periods beginning after December 15, 2016. Early adoption is permitted. The Company has evaluated the impact of this guidance and it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2017.

In March 2016, the FASB issued ASU 2016-09, “Compensation-Stock Compensation (Topic 718) - Improvements to Employee Share-Based Payment Accounting.” The amendments in this ASU simplify several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities and classification on the statement of cash flows. The amendments in this ASU are effective for interim and annual reporting periods beginning after December 15, 2016. Early adoption is permitted. The Company has evaluated the impact of this guidance and it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2017.

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326).” The new guidance introduces an approach based on expected losses to estimate credit losses on certain types of financial instruments. It also modifies the impairment model for available-for-sale debt securities and provides for a simplified accounting model for purchased financial assets with credit deterioration since their origination. This guidance is effective for annual periods beginning after December 15, 2019, and interim periods within those fiscal years. Early adoption is permitted for annual periods beginning after December 15, 2018, and interim periods within those fiscal years. This ASU also impacts the assessment of the recoverability of the Company’s reinsurance balances recoverable. The Company evaluates the financial condition of its reinsurers and monitors concentration of credit risk arising from its exposure to individual reinsurers. The reinsurance program is generally placed with reinsurers whose rating, at the time of placement, was A- or better as rated by Standard & Poor’s or the equivalent with other rating agencies. As at December 31, 2016, 99.1% of the Company’s total reinsurance balances recoverable were either fully collateralized or recoverable from reinsurers rated A- or better. As a result, the Company does not expect the new guidance to have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2020.

In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows (Topic 230) - Classification of Certain Cash Receipts and Cash Payments.” This ASU is directed at reducing diversity in practice and addresses eight specific issues in how certain cash receipts and cash payments are presented and classified in the statement of cash flows. The ASU is effective for fiscal periods beginning after December 15, 2017, and interim periods within those fiscal years. Early adoption is permitted, including adoption in an interim period. Any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. An entity that elects early adoption must adopt all of the amendments in the same period. The amendments in this ASU should be applied using a retrospective transition method to each period presented. If it is impracticable to apply the amendments retrospectively for some of the issues, the amendments for those issues would be applied prospectively as of the earliest date practicable. The Company has evaluated the impact of this guidance and it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2018.

In October 2016, the FASB issued ASU 2016-16, “Income Taxes (Topic 740) - Intra-Entity Transfers of Assets Other Than Inventory.” This ASU aims to improve the accounting for the income tax consequences of intra-entity transfers of assets other than inventory. Current U.S. GAAP prohibits the recognition of current and deferred income taxes for an intra-entity asset transfer until the asset has been sold to an outside party. The ASU states that an entity should recognize the income tax consequences of an intra-entity transfer of an asset, other than inventory, when the transfer occurs. The ASU does not include new disclosure requirements; however, existing disclosure requirements might be applicable when accounting for the current and deferred income taxes for an intra-entity transfer of an asset other than inventory. The ASU is effective for fiscal periods beginning after December 15, 2017, and interim periods within those fiscal years. Early adoption is permitted for all entities as of the beginning of an annual reporting period for which financial statements (interim or annual) have not been issued or made available for issuance. That is, earlier adoption should be in the first interim period if an entity issues interim financial statements. The Company has evaluated the impact of this guidance and determined that it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2018.

In October 2016, the FASB issued ASU 2016-17, “Consolidation (Topic 810) - Interests Held Through Related Parties That Are Under Common Control.” The amendments in this ASU do not change the characteristics of a primary beneficiary in current U.S. GAAP. Rather, the ASU requires that a reporting entity, in determining whether it satisfies the second characteristic of a primary beneficiary, include all of its direct variable interests in a VIE and, on a proportionate basis, its indirect variable interests in a VIE held through related parties, including related parties that are under common control with the reporting entity. The ASU is effective for public business entities for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. Early adoption is permitted, including adoption in an interim period. If an entity early adopts the amendments in an interim period, any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. Entities that already have adopted ASU 2015-02 are required to apply the amendments in this ASU retrospectively to all relevant prior periods beginning with the fiscal year in which ASU 2015-02 initially were applied. The Company has evaluated the impact of this guidance and it will not have a material impact on the Company’s Consolidated Financial Statements.The Company plans to adopt this guidance on January 1, 2017.

In November 2016, the FASB issued ASU 2016-18, “Statement of Cash Flows (Topic 230) - Restricted Cash.” This ASU is directed at reducing diversity that exists in the classification and presentation of changes in restricted cash on the statement of cash flows. The ASU is effective for fiscal periods beginning after December 15, 2017, and interim periods within those fiscal years. Early adoption is permitted, including adoption in an interim period. Any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. The amendments in this ASU should be applied using a retrospective transition method to each period presented. The Company has evaluated the impact of this guidance and determined that it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this guidance on January 1, 2018.

In January 2017, the FASB issued ASU 2017-01, “Business Combinations (Topic 805) - Clarifying the Definition of a Business.” The amendments in this ASU clarify the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. This ASU is effective for fiscal periods beginning after December 15, 2017, and interim periods within those fiscal years. The amendments in this ASU should be applied prospectively on or after the effective date. No disclosures are required at transition and early application is allowed in certain situations. The Company has evaluated the impact of this guidance and determined that it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this ASU on January 1, 2018.

In January 2017, the FASB issued ASU 2017-04, “Intangibles - Goodwill and Other (Topic 350).” The amendments in this ASU simplify the subsequent measurement of goodwill by eliminating Step 2 from the goodwill impairment test. Under this ASU, an entity would perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. Additionally, an entity should consider income tax effects from any tax deductible goodwill on the carrying amount of the reporting unit when measuring the goodwill impairment loss, if applicable. This ASU is effective for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. The Company completed its qualitative assessments for impairment of both goodwill and other intangible assets and concluded that there had been no impairment as at December 31, 2016. The Company has evaluated the impact of this guidance and determined that it will not have a material impact on the Company’s Consolidated Financial Statements. The Company plans to adopt this ASU on January 1, 2020.

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Business combination

12 Months Ended

Dec. 31, 2016

Business Combinations [Abstract]

Business combination

Business combination

Western World Insurance Group, Inc.

On October 2, 2014, Validus Specialty, Inc., a wholly owned subsidiary of the Company, acquired all of the issued and outstanding capital stock of Western World for an aggregate purchase price of $692,305 in cash. The Western World acquisition was undertaken to enhance the Company’s access to the specialty U.S. commercial insurance market. Additional factors that added to the value of Western World included its State Licenses, Brand Name, Distribution Network and Technology. These factors resulted in a market value greater than the value of net tangible and intangible assets which resulted in the recognition of goodwill. This goodwill is reflective of the strategic benefits that a U.S. based insurer can provide to the Company.

For reporting purposes, the results of Western World’s operations have been included in the Consolidated Financial Statements as a separate segment from the acquisition date.

The estimates of fair values for tangible and intangible assets acquired and liabilities assumed were determined by management based on various market and income analyses. Significant judgment was required to arrive at these estimates of fair value and changes to assumptions used could have led to materially different results.

The fair value of net assets acquired, including pro forma U.S. GAAP adjustments, are summarized as follows:

Total purchase price				$	692,305
Assets acquired
	Cash and cash equivalents	$	48,760
	Investments	1,126,185
	Receivables	37,848
	Other assets	19,418
	Tangible assets acquired			1,232,211
	Intangible asset - State licenses	$	12,325
	Intangible asset - Brand name	5,756
	Intangible asset - Distribution network	4,651
	Intangible asset - Technology	2,323
	Intangible assets acquired			$	25,055
Liabilities acquired
	Net loss reserves and paid losses recoverable	$	523,315
	Unearned premiums, net of expenses	135,686
	Other liabilities	81,464
	Liabilities acquired			740,465
Excess purchase price (goodwill) as at December 31, 2014				$	175,504
Measurement period adjustments (a)				861
Excess purchase price (goodwill) as at December 31, 2015				$	176,365

(a) During the year ended December 31, 2015, measurement period adjustments of $861 were made to certain other assets, net of taxes.

For details on the intangible assets acquired, refer to Note 6, “Goodwill and other intangible assets.”

The Company also incurred transaction expenses related to the Western World acquisition. Transaction expenses included legal, financial advisory and audit related services.

Supplemental Pro Forma Information

Operating results of Western World have been included in the Consolidated Financial Statements from the October 2, 2014 acquisition date. The following selected unaudited pro forma financial information has been provided to present a summary of the combined results of the Company and Western World, assuming the transaction had been effected on January 1, 2014.

The unaudited pro forma data is for informational purposes only and does not necessarily represent results that would have occurred if the transaction had taken place on the basis assumed above.

	Year Ended December 31,
	2014
(Dollars in thousands)	Unaudited
Net premiums earned	$	2,216,349
Net operating income	$	481,179
Net income	$	448,071

The following selected audited information has been provided to present a summary of the results of Western World that have been included in the Consolidated Financial Statements for the year ended December 31, 2014.

	From Acquisition Date to
(Dollars in thousands)	December 31, 2014
Net premiums written	$	58,807
Total revenue	78,325
Total expenses	(66,882		)
Net income	$	11,443

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Goodwill and other intangible assets

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and other intangible assets

Goodwill and other intangible assets

The following table presents a reconciliation of the beginning and ending goodwill and other intangible assets for the years ended December 31, 2016 and 2015:

	Year Ended December 31, 2016
	Goodwill						Other Intangible Assets
	Talbot		Western World		Total		With a Finite Life			With an Indefinite Life		Total
Balance, beginning of year	$	20,393	$	176,365	$	196,758	$	17,090		$	104,168	$	121,258
Amortization	—		—		—		(5,666		)	—		(5,666		)
Balance, end of year	$	20,393	$	176,365	$	196,758	$	11,424		$	104,168	$	115,592
	Year Ended December 31, 2015
	Goodwill						Other Intangible Assets
	Talbot		Western World		Total		With a Finite Life			With an Indefinite Life		Total
Balance, beginning of year	$	20,393	$	175,504	$	195,897	$	22,756		$	104,168	$	126,924
Amortization	—		—		—		(5,666		)	—		(5,666		)
Measurement period adjustments	—		861		861		—			—		—
Balance, end of year	$	20,393	$	176,365	$	196,758	$	17,090		$	104,168	$	121,258

Goodwill relates to the Company’s 2007 acquisition of Talbot and 2014 acquisition of Western World. As at December 31, 2016 and 2015, the total amount of carried goodwill was $196,758. During the year ended December 31, 2015, measurement period adjustments of $861 were made to certain other assets, net of taxes, for Western World.

Other intangible assets with a finite life includes the distribution network, technology, trade name and customer relationships related to the Company’s acquisitions of Talbot and Western World. These assets are amortized on a straight-line basis over a period ranging from 5 to 10 years. Amortization expense associated with these assets for the years ended December 31, 2016, 2015 and 2014 was $5,666, $5,666 and $4,538, respectively.

Other intangible assets with an indefinite life consist of U.S. state licenses that provide a legal right to transact business indefinitely which were acquired with the Company’s acquisition of Western World, along with Lloyd’s Syndicate capacity related to the Company’s acquisition of Talbot.

The Company completed its qualitative assessments for impairment of both goodwill and other intangible assets and concluded that there had been no impairment as at December 31, 2016 and 2015.

The gross carrying value, accumulated amortization and net carrying value of other intangible assets by type as at December 31, 2016 and 2015 were as follows:

	December 31, 2016							December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Other intangible assets with a finite life
Trade name and customer relationships	$	18,189	$	(13,406	)	$	4,783	$	18,189	$	(12,187	)	$	6,002
Distribution network	39,831		(34,468		)	5,363		39,831		(30,485		)	9,346
Technology	2,323		(1,045		)	1,278		2,323		(581		)	1,742
Total	$	60,343	$	(48,919	)	$	11,424	$	60,343	$	(43,253	)	$	17,090
Other intangible assets with an indefinite life
Syndicate capacity	$	91,843	n/a			$	91,843	$	91,843	n/a			$	91,843
State licenses	12,325		n/a			12,325		12,325		n/a			12,325
Total	$	104,168				$	104,168	$	104,168				$	104,168

The estimated remaining amortization expense for the Company’s other intangible assets with a finite life is as follows:

	Total Remaining Amortization Expense
2017	$	3,585
2018	1,505
2019	1,389
2020	1,041
2021	1,041
2022 and thereafter	2,863
	$	11,424

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Investments

12 Months Ended

Dec. 31, 2016

Investments [Abstract]

Investments

Investments

Managed investments represent assets governed by the Company’s investment policy statement (“IPS”) whereas, non-managed investments represent assets held in support of consolidated AlphaCat VIEs which are not governed by the Company’s IPS. Refer to Note 9, “Variable interest entities,” for further details.

The amortized cost (or cost) and fair value of the Company’s investments as at December 31, 2016 and 2015 were as follows:

	December 31, 2016				December 31, 2015
	Amortized  Cost or Cost		Fair Value		Amortized  Cost or Cost		Fair Value
Managed investments
U.S. government and government agency	$	809,392	$	804,126	$	940,428	$	937,202
Non-U.S. government and government agency	245,651		240,791		241,549		237,968
U.S. states, municipalities and political subdivisions	271,742		271,830		299,929		301,289
Agency residential mortgage-backed securities	684,490		679,595		606,676		610,582
Non-agency residential mortgage-backed securities	15,858		15,477		27,025		26,920
U.S. corporate	1,540,036		1,534,508		1,503,614		1,489,951
Non-U.S. corporate	418,520		410,227		453,178		446,570
Bank loans	579,121		570,399		592,981		576,211
Asset-backed securities	528,563		526,814		440,363		437,124
Commercial mortgage-backed securities	333,740		330,932		263,310		260,135
Total fixed maturities	5,427,113		5,384,699		5,369,053		5,323,952
Short-term investments	228,574		228,386		237,349		237,369
Other investments
Fund of hedge funds	1,457		955		1,457		1,417
Hedge funds	11,292		17,381		14,018		20,980
Private equity investments	72,814		89,809		53,489		63,771
Fixed income investment funds	241,536		242,093		188,121		188,721
Overseas deposits	50,106		50,106		54,484		54,484
Mutual funds	2,925		5,368		4,394		7,483
Total other investments	380,130		405,712		315,963		336,856
Investments in investment affiliates (a)	84,840		100,431		69,794		87,673
Total managed investments	$	6,120,657	$	6,119,228	$	5,992,159	$	5,985,850
Non-managed investments
Catastrophe bonds	$	157,486	$	158,331	$	187,847	$	186,379
Short-term investments	2,567,784		2,567,784		1,704,266		1,704,266
Total non-managed investments	2,725,270		2,726,115		1,892,113		1,890,645
Total investments	$	8,845,927	$	8,845,343	$	7,884,272	$	7,876,495

(a) The Company’s investments in investment affiliates have been treated as equity method investments with the corresponding gains and losses recorded in

income as “Income (loss) from investment affiliates.”

(a) Fixed maturity investments

The following table sets forth certain information regarding the investment ratings of the Company’s fixed maturity investments as at December 31, 2016 and 2015:

	December 31, 2016				December 31, 2015
	Fair Value		% of Total		Fair Value		% of Total
Managed fixed maturities
AAA	$	2,405,597	43.4	%	$	2,367,642	43.0	%
AA	538,289		9.7	%	569,386		10.3	%
A	1,081,949		19.5	%	1,031,326		18.7	%
BBB	740,861		13.4	%	691,538		12.6	%
Total investment grade managed fixed maturities	4,766,696		86.0	%	4,659,892		84.6	%
BB	213,568		3.9	%	235,724		4.3	%
B	177,737		3.2	%	179,069		3.2	%
CCC	13,371		0.2	%	5,706		0.1	%
CC	—		0.0	%	1,015		0.0	%
NR	213,327		3.8	%	242,546		4.4	%
Total non-investment grade managed fixed maturities	618,003		11.1	%	664,060		12.0	%
Total managed fixed maturities	$	5,384,699	97.1	%	$	5,323,952	96.6	%
Non-managed fixed maturities
BBB	$	—	0.0	%	$	1,911	0.0	%
Total investment grade non-managed catastrophe bonds	—		0.0	%	1,911		0.0	%
BB	29,731		0.6	%	70,962		1.3	%
B	4,524		0.1	%	30,698		0.6	%
NR	124,076		2.2	%	82,808		1.5	%
Total non-investment grade non-managed catastrophe bonds	158,331		2.9	%	184,468		3.4	%
Total non-managed fixed maturities	158,331		2.9	%	186,379		3.4	%
Total fixed maturities	$	5,543,030	100.0	%	$	5,510,331	100.0	%

The amortized cost and estimated fair value amounts for the Company’s fixed maturity investments held at December 31, 2016 and 2015 are shown below by contractual maturity. Actual maturity may differ from contractual maturity because certain borrowers may have the right to call or prepay certain obligations with or without call or prepayment penalties.

	December 31, 2016				December 31, 2015
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Managed fixed maturities
Due in one year or less	$	350,733	$	346,161	$	367,132	$	366,019
Due after one year through five years	2,954,856		2,933,146		2,965,920		2,936,053
Due after five years through ten years	430,365		426,647		548,183		539,083
Due after ten years	128,508		125,927		150,444		148,036
	3,864,462		3,831,881		4,031,679		3,989,191
Asset-backed and mortgage-backed securities	1,562,651		1,552,818		1,337,374		1,334,761
Total managed fixed maturities	$	5,427,113	$	5,384,699	$	5,369,053	$	5,323,952
Non-managed catastrophe bonds
Due in one year or less	$	43,664	$	45,418	$	7,504	$	7,544
Due after one year through five years	112,572		111,656		165,093		163,575
Due after five years through ten years	1,250		1,257		15,250		15,260
Due after ten years	—		—		—		—
Total non-managed fixed maturities	157,486		158,331		187,847		186,379
Total fixed maturities	$	5,584,599	$	5,543,030	$	5,556,900	$	5,510,331

(b) Other investments

The following tables set forth certain information regarding the Company’s other investments as at December 31, 2016 and 2015:

	December 31, 2016
	Fair Value		Investments with redemption restrictions		Investments without redemption restrictions		Redemption frequency (a)	Redemption notice period (a)
Fund of hedge funds	$	955	$	955	$	—
Hedge funds	17,381		17,381		—
Private equity investments	89,809		89,809		—
Fixed income investment funds	242,093		211,151		30,942		Daily	2 days
Overseas deposits	50,106		50,106		—
Mutual funds	5,368		—		5,368		Daily	Daily
Total other investments	$	405,712	$	369,402	$	36,310
	December 31, 2015
	Fair Value		Investments with redemption restrictions		Investments without redemption restrictions		Redemption frequency (a)	Redemption notice period (a)
Fund of hedge funds	$	1,417	$	1,417	$	—
Hedge funds	20,980		20,980		—
Private equity investments	63,771		63,771		—
Fixed income investment funds	188,721		167,910		20,811		Daily	2 days
Overseas deposits	54,484		54,484		—
Mutual funds	7,483		—		7,483		Daily	Daily
Total other investments	$	336,856	$	308,562	$	28,294

(a)     The redemption frequency and notice periods only apply to investments without redemption restrictions.

Other investments include alternative investments in various funds and pooled investment schemes. These alternative investments employ various investment strategies primarily involving, but not limited to, investments in collateralized obligations, fixed income securities, private equities, distressed debt and equity securities.

Certain securities included in other investments are subject to redemption restrictions and are unable to be redeemed from the funds. Distributions from these funds will be received as the underlying investments of the funds are liquidated. Currently, it is not known to the Company when these underlying assets will be sold by their investment managers; however, it is estimated that the majority of the underlying assets of the investments would liquidate over five to ten years from inception of the funds. In addition, one of the fixed income investment funds with a fair value of $184,749 (December 31, 2015: $167,910), has a lock-up period of three years as at December 31, 2016 and may also impose a redemption gate. A lock-up period refers to the initial amount of time an investor is contractually required to remain invested before having the ability to redeem. Typically, the imposition of a gate delays a portion of the requested redemption, with the remaining portion settled in cash shortly after the redemption date. Furthermore, the underlying investments held in the overseas deposit funds are liquid and will generally trade freely in an open market. However, the Company’s ability to withdraw from the overseas deposit funds is restricted by an annual and quarterly, funding and release process for Lloyd’s market participants.

The Company’s maximum exposure to any of these alternative investments is limited to the invested amounts and any remaining capital commitments. Refer to Note 23, “Commitments and contingencies,” for further details. As at December 31, 2016, the Company does not have any plans to sell any of the other investments listed above.

(c) Investments in investment affiliates

Aquiline Financial Services Fund II L.P.

On December 20, 2011, the Company entered into an Assignment and Assumption Agreement (the “Agreement”) with Aquiline Capital Partners LLC, a Delaware limited liability company (the “Assignor”) and Aquiline Capital Partners II GP (Offshore) Ltd., a Cayman Islands company limited by shares (the “Aquiline II General Partner”) pursuant to which the Company has assumed 100% of the Assignor’s interest in Aquiline Financial Services Fund II L.P. (the “Aquiline II Partnership”) representing a total capital commitment of $50,000 (the “Aquiline II Commitment”), as a limited partner in the Partnership (the “Transferred Interest”). The Transferred Interest is governed by the terms of an Amended and Restated Exempted Limited Partnership Agreement of the Fund.

On October 2, 2014, the Company assumed an additional investment in the Aquiline II Partnership as part of the Western World acquisition representing a total capital commitment of $10,000. This interest is also governed by the terms of the Aquiline II Limited Partnership Agreement.

The Aquiline II Partnership is a VIE and the Company is not the primary beneficiary. Therefore, the Company’s investment in the Aquiline II Partnership has been treated as an equity method investment. The Aquiline II Partnership provides a quarterly capital account statement, with a three month delay in its valuation, which was used as the basis for calculating the Company’s share of partnership income for the period.

In accordance with the terms of the Agreement, no limited partner has the right to withdraw from the Aquiline II Partnership or to withdraw any part of its capital account without prior consent from the Aquiline II General Partner. The Company’s maximum exposure to the Aquiline II Partnership is limited to the amount invested and any remaining capital commitment. Refer to Note 23, “Commitments and contingencies,” for further details.

Aquiline Financial Services Fund III L.P.

On November 7, 2014, the Company, entered into a Subscription Agreement (the “Subscription Agreement”) with Aquiline Capital Partners III GP (Offshore) Ltd., a Cayman Islands company limited by shares (the “Aquiline III General Partner”) pursuant to which the Company committed and agreed to purchase limited partnership or other comparable limited liability equity interests (the “Limited Partnership Interests”) in Aquiline Financial Services Fund III L.P., a Cayman Islands exempted limited partnership (the “Aquiline III Partnership”), and/or one or more Alternative Investment Vehicles and Intermediate Entities (together with the Aquiline III Partnership, the “Fund” or the “Entities”) with a capital commitment (the “Aquiline III Commitment”) in an amount equal to $100,000, as a limited partner in the Aquiline III Partnership. The Limited Partnership Interests are governed by the terms of an Amended and Restated Exempted Limited Partnership Agreement.

The Aquiline III Partnership is a VIE and the Company is not the primary beneficiary. Therefore, the Company’s investment in the Aquiline III Partnership has been treated as an equity method investment. The Aquiline III Partnership provides a quarterly capital account statement, with a three month delay in its valuation, which was used as the basis for calculating the Company’s share of partnership income for the period.

In accordance with the terms of the Agreement, no limited partner has the right to withdraw from the Aquiline III Partnership or to withdraw any part of its capital account without prior consent from the Aquiline III General Partner. The Company’s maximum exposure to the Aquiline III Partnership is limited to the amount invested and any remaining capital commitment. Refer to Note 23, “Commitments and contingencies,” for further details.

The following table presents a reconciliation of the Company’s beginning and ending investments in investment affiliates for the years ended December 31, 2016 and 2015:

	Years Ended December 31,
	2016			2015
Investment affiliates, beginning of year	$	87,673		$	63,506
Net capital contributions	14,841			19,886
(Loss) income from investment affiliate	(2,083		)	4,281
Investment affiliates, end of year	$	100,431		$	87,673

The following table presents the Company’s investments in the partnerships as at December 31, 2016 and 2015:

	December 31, 2016
	Investment at cost		Voting ownership %		Equity ownership %		Carrying value
Aquiline II Partnership	$	46,871	—	%	8.1	%	$	61,999
Aquiline III Partnership	37,969		—	%	9.0	%	38,432
Total	$	84,840					$	100,431
	December 31, 2015
	Investment at cost		Voting ownership %		Equity ownership %		Carrying value
Aquiline II Partnership	$	55,904	—	%	8.1	%	$	73,880
Aquiline III Partnership	13,890		—	%	13.7	%	13,793
Total	$	69,794					$	87,673

(d) Net investment income

Net investment income was derived from the following sources:

	Years Ended December 31,
	2016			2015			2014
Managed investments
Fixed maturities and short-term investments	$	119,085		$	113,627		$	93,044
Other investments	27,860			13,307			5,111
Cash and cash equivalents and restricted cash	2,939			1,911			5,106
Securities lending income	55			16			11
Total gross investment income	149,939			128,861			103,272
Investment expenses	(8,221		)	(7,695		)	(7,472		)
Total managed net investment income	$	141,718		$	121,166		$	95,800
Non managed investments
Fixed maturities and short-term investments	$	6,931		$	6,528		$	4,204
Cash and cash equivalents and restricted cash	1,736			130			82
Total non-managed net investment income	8,667			6,658			4,286
Total net investment income	$	150,385		$	127,824		$	100,086

Net investment income from other investments includes distributed and undistributed net income from certain fixed income investment funds.

(e) Net realized gains and change in net unrealized gains (losses) on investments

The following table sets forth an analysis of net realized gains and the change in net unrealized gains (losses) on investments:

	Years Ended December 31,
	2016			2015			2014
Managed fixed maturities, short-term and other investments
Gross realized gains	$	22,491		$	15,678		$	20,201
Gross realized (losses)	(7,811		)	(13,980		)	(8,041		)
Net realized gains on investments	14,680			1,698			12,160
Change in net unrealized gains (losses) on investments	14,106			(32,007		)	(1,030		)
Total net realized and change in net unrealized gains (losses) on managed investments	$	28,786		$	(30,309	)	$	11,130
Non-managed fixed maturities, short-term and other investments
Gross realized gains	$	1,086		$	611		$	2,757
Gross realized (losses)	(9		)	(11		)	—
Net realized gains on investments	1,077			600			2,757
Change in net unrealized gains (losses) on investments	2,765			(388		)	(1,812		)
Total net realized and change in net unrealized gains on non-managed investments	3,842			212			945
Total net realized and change in net unrealized gains (losses) on total investments	$	32,628		$	(30,097	)	$	12,075

(f) Pledged investments and cash

As at December 31, 2016, the Company had $5,173,966 (December 31, 2015: $4,056,788) of cash and cash equivalents, restricted cash, short-term investments and fixed maturity investments that were pledged during the normal course of business. Of those, $5,068,092 were held in trust (December 31, 2015: $4,007,215). Pledged assets are generally for the benefit of the Company’s cedants and policyholders, to support AlphaCat’s fully collateralized reinsurance transactions and to facilitate the accreditation of Validus Reinsurance, Ltd., Validus Reinsurance (Switzerland) Ltd. (“Validus Re Swiss”) and Talbot as an alien insurer/reinsurer by certain regulators.

In addition, the Company has pledged cash and investments as collateral under the Company’s credit facilities in the amount of $442,184 (December 31, 2015: $826,535). For further details on the credit facilities, refer to Note 20“Debt and financing arrangements.”

During 2014, Validus Reinsurance, Ltd. established a Multi-Beneficiary Reinsurance Trust (“MBRT”) to collateralize its (re)insurance liabilities associated with and for the benefit of U.S. domiciled cedants who, as a result, will receive automatic credit in their regulatory filings for the reinsurance provided prospectively by the Company. As of December 31, 2016, Validus Reinsurance, Ltd. was approved as a trusteed reinsurer in 48 states as well as Puerto Rico and the District of Columbia. In addition, Validus Re Swiss established a MBRT in December 2015 and was approved as a trusteed reinsurer in 44 states as well as Puerto Rico and the District of Columbia as at December 31, 2016.

(g) Securities lending

The Company participates in a securities lending program whereby certain securities from its portfolio are loaned to third parties for short periods of time through a lending agent. The Company retains all economic interest in the securities it lends and receives a fee from the borrower for the temporary use of the securities. Collateral in the form of cash, government securities and letters of credit is required at a rate of 102% of the market value of the loaned securities and is held by a third party.

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Fair value measurements

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Fair value measurements

Fair value measurements

(a) Classification within the fair value hierarchy

Fair value is defined as the price to sell an asset or transfer a liability in an orderly transaction between market participants. Under U.S. GAAP, a company must determine the appropriate level in the fair value hierarchy for each fair value measurement. The fair value hierarchy prioritizes the inputs, which refer broadly to assumptions market participants would use in pricing an asset or liability, into three levels. It gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs. The level in the fair value hierarchy within which a fair value measurement in its entirety falls is determined based on the lowest level input that is significant to the fair value measurement in its entirety.

The three levels of the fair value hierarchy are described below:

Level 1 - Fair values are measured based on unadjusted quoted prices in active markets for identical assets or liabilities that we have the ability to access.

Level 2 - Fair values are measured based on quoted prices in active markets for similar assets or liabilities, quoted prices for identical assets or liabilities in inactive markets, or for which significant inputs are observable (e.g., interest rates, yield curves, prepayment speeds, default rates, loss severities, etc.) or can be corroborated by observable market data.

Level 3 - Fair values are measured based on inputs that are unobservable and significant to the overall fair value measurement. The unobservable inputs reflect the Company’s own judgments about assumptions where there is little, if any, market activity for that asset or liability that market participants might use.

The availability of observable inputs can vary from financial instrument to financial instrument and is affected by a wide variety of factors including, for example, the type of financial instrument, whether the financial instrument is new and not yet established in the marketplace, and other characteristics particular to the instrument. To the extent that valuation is based on models or inputs that are less observable or unobservable in the market, the determination of fair value requires significantly more judgment.

Accordingly, the degree of judgment exercised by management in determining fair value is greatest for instruments categorized in Level 3. In periods of market dislocation, the observability of prices and inputs may be reduced for many instruments. This may lead the Company to change the selection of our valuation technique (for example, from market to cash flow approach) or to use multiple valuation techniques to estimate the fair value of a financial instrument. These circumstances could cause an instrument to be reclassified between levels within the fair value hierarchy.

During 2015, the Company early adopted and implemented ASU 2015-07, “Fair Value Measurement (Topic 820) - Disclosures for Investments in Certain Entities That Calculate Net Asset Value per Share (or Its Equivalent).” As such, the investments measured at fair value using the net asset value (“NAV”) per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy.

At December 31, 2016, the Company’s investments were allocated between Levels 1, 2 and 3 as follows:

	Level 1		Level 2		Level 3		Fair value based on NAV practical expedient		Total
Managed investments
U.S. government and government agency	$	—	$	804,126	$	—	$	—	$	804,126
Non-U.S. government and government agency	—		240,791		—		—		240,791
U.S. states, municipalities and political subdivisions	—		271,830		—		—		271,830
Agency residential mortgage-backed securities	—		679,595		—		—		679,595
Non-agency residential mortgage-backed securities	—		15,477		—		—		15,477
U.S. corporate	—		1,534,508		—		—		1,534,508
Non-U.S. corporate	—		410,227		—		—		410,227
Bank loans	—		323,903		246,496		—		570,399
Asset-backed securities	—		502,883		23,931		—		526,814
Commercial mortgage-backed securities	—		330,932		—		—		330,932
Total fixed maturities	—		5,114,272		270,427		—		5,384,699
Short-term investments	209,651		18,735		—		—		228,386
Other investments
Fund of hedge funds	—		—		—		955		955
Hedge funds	—		—		—		17,381		17,381
Private equity investments	—		—		—		89,809		89,809
Fixed income investment funds	—		30,941		12,168		198,984		242,093
Overseas deposits	—		—		—		50,106		50,106
Mutual funds	—		5,368		—		—		5,368
Total other investments	—		36,309		12,168		357,235		405,712
Investments in investment affiliates (a)	—		—		—		—		100,431
Total managed investments	$	209,651	$	5,169,316	$	282,595	$	357,235	$	6,119,228
Non-managed investments
Catastrophe bonds	$	—	$	109,956	$	48,375	$	—	$	158,331
Short-term investments	2,567,784		—		—		—		2,567,784
Total non-managed investments	2,567,784		109,956		48,375		—		2,726,115
Total investments	$	2,777,435	$	5,279,272	$	330,970	$	357,235	$	8,845,343

(a) In accordance with ASC Topic 825 “Financial Instruments,” the Company’s investments in investment affiliates have not been classified in the fair value hierarchy.

At December 31, 2015, the Company’s investments were allocated between Levels 1, 2 and 3 as follows:

	Level 1		Level 2		Level 3		Fair value based on NAV practical expedient		Total
Managed investments
U.S. government and government agency	$	—	$	937,202	$	—	$	—	$	937,202
Non-U.S. government and government agency	—		237,968		—		—		237,968
U.S. states, municipalities and political subdivisions	—		301,289		—		—		301,289
Agency residential mortgage-backed securities	—		610,582		—		—		610,582
Non-agency residential mortgage-backed securities	—		26,920		—		—		26,920
U.S. corporate	—		1,489,951		—		—		1,489,951
Non-U.S. corporate	—		446,570		—		—		446,570
Bank loans	—		343,874		232,337		—		576,211
Asset-backed securities	—		437,124		—		—		437,124
Commercial mortgage-backed securities	—		260,135		—		—		260,135
Total fixed maturities	—		5,091,615		232,337		—		5,323,952
Short-term investments	222,678		14,691		—		—		237,369
Other investments
Fund of hedge funds	—		—		—		1,417		1,417
Hedge funds	—		—		—		20,980		20,980
Private equity investments	—		—		—		63,771		63,771
Fixed income investment funds	—		20,811		—		167,910		188,721
Overseas deposits	—		—		—		54,484		54,484
Mutual funds	—		7,483		—		—		7,483
Total other investments	—		28,294		—		308,562		336,856
Investments in investment affiliates (a)	—		—		—		—		87,673
Total managed investments	$	222,678	$	5,134,600	$	232,337	$	308,562	$	5,985,850
Non-managed investments
Catastrophe bonds	$	—	$	172,879	$	13,500	$	—	$	186,379
Short-term investments	1,704,266		—		—		—		1,704,266
Total non-managed investments	1,704,266		172,879		13,500		—		1,890,645
Total investments	$	1,926,944	$	5,307,479	$	245,837	$	308,562	$	7,876,495

(a) In accordance with ASC Topic 825 “Financial Instruments,” the Company’s investments in investment affiliates have not been classified in the fair value hierarchy.

At December 31, 2016, managed Level 3 investments totaled $282,595 (December 31, 2015: $232,337), representing 4.6% (December 31, 2015: 3.9%) of total managed investments.

(b) Valuation techniques

There have been no material changes in the Company’s valuation techniques during the period, or periods, represented by these Consolidated Financial Statements. The following methods and assumptions were used in estimating the fair value of each class of financial instrument recorded in the Consolidated Balance Sheets.

Fixed maturity investments

In general, valuation of the Company’s fixed maturity investment portfolio is provided by pricing services, such as index providers and pricing vendors, as well as broker quotations. The pricing vendors provide valuations for a high volume of liquid securities that are actively traded. For securities that do not trade on an exchange, the pricing services generally utilize market data and other observable inputs in matrix pricing models to determine month end prices. Prices are generally verified using third party data. Securities which are priced by an index provider are generally included in the index.

In general, broker-dealers value securities through their trading desks based on observable inputs. The methodologies include mapping securities based on trade data, bids or offers, observed spreads, and performance on newly issued securities. Broker-dealers also determine valuations by observing secondary trading of similar securities. Prices obtained from broker quotations are considered non-binding, however they are based on observable inputs and by observing secondary trading of similar securities obtained from active, non-distressed markets. The Company considers these Level 2 inputs as they are corroborated with other market observable inputs. The techniques generally used to determine the fair value of the Company’s fixed maturity investments are detailed below by asset class.

U.S. government and government agency

U.S. government and government agency securities consist primarily of debt securities issued by the U.S. Treasury and mortgage pass-through agencies such as the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation and the Government National Mortgage Association. Fixed maturity investments included in U.S. government and government agency securities are primarily priced by pricing services. When evaluating these securities, the pricing services gather information from market sources and integrate other observations from markets and sector news. Evaluations are updated by obtaining broker dealer quotes and other market information including actual trade volumes, when available. The fair value of each security is individually computed using analytical models which incorporate option adjusted spreads and other daily interest rate data. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Non-U.S. government and government agency

Non-U.S. government and government agency securities consist of debt securities issued by non-U.S. governments and their agencies along with supranational organizations (also known as sovereign debt securities). Securities held in these sectors are primarily priced by pricing services who employ proprietary discounted cash flow models to value the securities. Key quantitative inputs for these models are daily observed benchmark curves for treasury, swap and high issuance credits. The pricing services then apply a credit spread for each security which is developed by in-depth and real time market analysis. For securities in which trade volume is low, the pricing services utilize data from more frequently traded securities with similar attributes. These models may also be supplemented by daily market and credit research for international markets. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

U.S. states, municipalities and political subdivisions

The Company’s U.S. states, municipalities and political subdivisions portfolio contains debt securities issued by U.S. domiciled state and municipal entities. These securities are generally priced by independent pricing services using the techniques described for U.S. government and government agency securities described above. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Agency residential mortgage-backed securities

The Company’s agency residential mortgage-backed investments are primarily priced by pricing services using a mortgage pool specific model which utilizes daily inputs from the active to be announced market which is very liquid, as well as the U.S. treasury market. The model also utilizes additional information, such as the weighted average maturity, weighted average coupon and other available pool level data which is provided by the sponsoring agency. Valuations are also corroborated with daily active market quotes. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Non-agency residential mortgage-backed securities

The Company’s non-agency mortgage-backed investments include non-agency prime residential mortgage-backed fixed maturity investments. The Company has no fixed maturity investments classified as sub-prime held in its fixed maturity investments portfolio. Securities held in these sectors are primarily priced by pricing services using an option adjusted spread model or other relevant models, which principally utilize inputs including benchmark yields, available trade information or broker quotes, and issuer spreads. The pricing services also review collateral prepayment speeds, loss severity and delinquencies among other collateral performance indicators for the securities valuation, when applicable. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

U.S. corporate

Corporate debt securities consist primarily of investment-grade debt of a wide variety of U.S. corporate issuers and industries. The Company’s corporate fixed maturity investments are primarily priced by pricing services. When evaluating these securities, the pricing services gather information from market sources regarding the issuer of the security and obtain credit data, as well as other observations, from markets and sector news. Evaluations are updated by obtaining broker dealer quotes and other market information including actual trade volumes, when available. The pricing services also consider the specific terms and conditions of the securities, including any specific features which may influence risk. In certain instances, securities are individually evaluated using a spread which is added to the U.S. treasury curve or a security specific swap curve as appropriate. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Non-U.S. corporate

Non-U.S. corporate debt securities consist primarily of investment-grade debt of a wide variety of non-U.S. corporate issuers and industries. The Company’s non-U.S. corporate fixed maturity investments are primarily priced by pricing services. When evaluating these securities, the pricing services gather information from market sources regarding the issuer of the security and obtain credit data, as well as other observations, from markets and sector news. Evaluations are updated by obtaining broker dealer quotes and other market information including actual trade volumes, when available. The pricing services also consider the specific terms and conditions of the securities, including any specific features which may influence risk. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Bank loans

The Company’s bank loan investments consist primarily of below-investment-grade debt of a wide variety of corporate issuers and industries. The Company’s bank loans are primarily priced by pricing services. When evaluating these securities, the pricing services gather information from market sources regarding the issuer of the security and obtain credit data, as well as other observations, from markets and sector news. Evaluations are updated by obtaining broker dealer quotes and other market information including actual trade volumes, when available. The pricing services also consider the specific terms and conditions of the securities, including any specific features which may influence risk. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Included in the bank loan portfolio is a collection of loan participations held through an intermediary. A third party pricing service provides monthly valuation reports for each loan and participation using a combination of quotations from loan pricing services, leveraged loan indices or market price quotes obtained directly from the intermediary. Significant unobservable inputs used to price these securities include credit spreads and default rates; therefore, the fair value of these investments are classified as Level 3.

Asset-backed securities

Asset backed securities include mostly investment-grade debt securities backed by pools of loans with a variety of underlying collateral, including automobile loan receivables, student loans, credit card receivables, and collateralized loan obligations originated by a variety of financial institutions. Securities held in these sectors are primarily priced by pricing services. The pricing services apply dealer quotes and other available trade information such as bids and offers, prepayment speeds which may be adjusted for the underlying collateral or current price data, the U.S. treasury curve and swap curve as well as cash settlement. The pricing services determine the expected cash flows for each security held in this sector using historical prepayment and default projections for the underlying collateral and current market data. In addition, a spread is applied to the relevant benchmark and used to discount the cash flows noted above to determine the fair value of the securities held in this sector. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Where pricing is unavailable from pricing services, we value the positions using alternative methods such as a discounted cash flow methodology. This is generally the case when there is a low volume of trading activity and/or current transactions are not orderly.  Such discounted cash flow models for which significant observable inputs are unable to be corroborated with market observable information are classified as Level 3.

Commercial mortgage-backed securities

Commercial mortgage backed securities are investment-grade debt primarily priced by pricing services. The pricing services apply dealer quotes and other available trade information such as bids and offers, prepayment speeds which may be adjusted for the underlying collateral or current price data, the U.S. treasury curve and swap curve as well as cash settlement. The pricing services determine the expected cash flows for each security held in this sector using historical prepayment and default projections for the underlying collateral and current market data. In addition, a spread is applied to the relevant benchmark and used to discount the cash flows noted above to determine the fair value of the securities held in this sector. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2.

Catastrophe bonds

Catastrophe bonds are priced based on broker or underwriter bid indications. As the significant inputs used to price these securities are observable, the fair value of these investments are classified as Level 2. Where the significant inputs used to price these securities are unobservable, the fair value of these investments are classified as Level 3.

Short-term investments

Short-term investments consist primarily of highly liquid securities, all with maturities of less than one year from the date of purchase. The fair value of the portfolio is generally determined using amortized cost which approximates fair value. As the highly liquid money market-type funds are actively traded, the fair value of these investments are classified as Level 1. To the extent that the remaining securities are not actively traded due to their approaching maturity, the fair value of these investments are classified as Level 2.

Other investments

Fund of hedge funds

The fund of hedge funds includes a side pocket. While a redemption request has been submitted, the timing of receipt of proceeds on the side pocket is unknown. The fund’s administrator provides a monthly reported NAV with a three month delay in its valuation. The fund manager has provided an estimate of the fund NAV at year end based on the estimated performance provided from the underlying funds. To determine the reasonableness of the estimated NAV, the Company compares the fund administrator’s NAV to the fund manager’s estimated NAV that incorporates relevant valuation sources on a timely basis. Material variances are recorded in the current reporting period while immaterial variances are recorded in the following reporting period. The fair value of these investments are measured using the NAV practical expedient and therefore have not been categorized within the fair value hierarchy.

Hedge funds

The hedge fund investment was assumed by the Company in its acquisition of Flagstone Reinsurance Holdings, S.A. (“Flagstone”) (the “Flagstone hedge fund”). The Flagstone hedge fund’s administrator provides quarterly NAVs with a three month delay in valuation. The fair value of this investment is measured using the NAV practical expedient and therefore has not been categorized within the fair value hierarchy.

Private equity investments

The private equity funds provide quarterly or semi-annual partnership capital statements with a three or six month delay which are used as a basis for valuation. These private equity investments vary in investment strategies and are not actively traded in any open markets. The fair value of these investments are measured using the NAV practical expedient and therefore have not been categorized within the fair value hierarchy.

Fixed income investment funds

The Company’s investment funds classified as Level 2 consist of a pooled investment fund. The pooled investment is invested in fixed income securities with high credit ratings and is only open to Lloyd’s Trust Fund participants. The fair value of units in the investment fund is based on the NAV of the fund and is traded on a daily basis.

Included in investment funds is a residual equity tranche of a structured credit fund valued using a dynamic yield that calculates an income accrual based on an underlying valuation model with a typical cash flow waterfall structure.  Significant unobservable inputs used to price this fund include default rates and prepayment rates; therefore, the fair value of the investment fund is classified as Level 3.

The fair value of the Company’s remaining investment funds is based on the NAV of the fund as reported by the independent fund administrator. The fund’s administrators provide a monthly reported NAV with a one or three month delay in their valuation. The fair value of these investments are measured using the NAV practical expedient and therefore have not been categorized within the fair value hierarchy.

Overseas deposits

The Company’s share of a portfolio of Lloyd’s overseas deposits are managed centrally by Lloyd’s and invested according to local regulatory requirements. The composition of the portfolio varies and the deposits are made across the market. The fair value of the deposits is based on the portfolio level reporting that is provided by Lloyd’s. The fair value of these investments are measured using the NAV practical expedient and therefore have not been categorized within the fair value hierarchy.

Mutual funds

Mutual funds consist of an investment fund which invests in various quoted investments. The fair value of units in the mutual fund is based on the NAV of the fund as reported by the fund manager. The mutual fund has daily liquidity which allows us to redeem our holdings at the applicable NAV in the near term. As such, the Company has classified this investment as Level 2.

(c) Level 3 investments

The following table presents a reconciliation of the beginning and ending balances for all investments measured at fair value on a recurring basis using Level 3 inputs during the years ended December 31, 2016 and 2015:

	Year Ended December 31, 2016
	Bank Loans			Catastrophe Bonds			Fixed Income Investment Funds		Asset Backed Securities		Total
Level 3 investments, beginning of year	$	232,337		$	13,500		$	—	$	—	$	245,837
Purchases	87,345			33,272			12,168		23,896		156,681
Sales	(2,389		)	—			—		—		(2,389		)
Settlements	(69,496		)	(125		)	—		—		(69,621		)
Change in net unrealized (losses) gains	(1,301		)	1,728			—		35		462
Level 3 investments, end of year	$	246,496		$	48,375		$	12,168	$	23,931	$	330,970

	Year Ended December 31, 2015
	Bank Loans			Catastrophe Bonds			Total
Level 3 investments, beginning of year	$	32,748		$	17,500		$	50,248
Purchases	230,070			—			230,070
Sales	(1,036		)	(3,989		)	(5,025		)
Settlements	(27,429		)	—			(27,429		)
Net realized losses	—			(11		)	(11		)
Change in net unrealized losses	(2,016		)	—			(2,016		)
Level 3 investments, end of year	$	232,337		$	13,500		$	245,837

There were no transfers into or out of Level 3 during the years ended December 31, 2016 or 2015.

(d) Financial instruments not carried at fair value

ASC Topic 825 “Financial Instruments” is also applicable to disclosures of financial instruments not carried at fair value, except for certain financial instruments, including insurance contracts and investments in affiliates. The carrying values of cash and cash equivalents, restricted cash, accrued investment income, other assets, net payable for investments purchased and accounts payable and accrued expenses approximated their fair values at December 31, 2016, due to their respective short maturities. As these financial instruments are not actively traded, their respective fair values are classified within Level 2.

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Variable interest entities

12 Months Ended

Dec. 31, 2016

Variable Interest Entities Disclosure [Abstract]

Variable interest entities

Variable interest entities

The Company consolidates all VOEs in which it has a controlling financial interest and all VIEs in which it is considered to be the primary beneficiary. The Company’s VIEs primarily include entities related to the AlphaCat segment.

(a) Consolidated VIEs

AlphaCat sidecars

Beginning on May 25, 2011, the Company joined with other investors in capitalizing a series of sidecars for the purpose of investing in collateralized reinsurance and retrocessional contracts. Certain of these sidecars deployed their capital through transactions entered into by AlphaCat Reinsurance Ltd. (“AlphaCat Re”). Each of these entities return capital once the risk period expires and all losses have been paid out. The AlphaCat sidecars are VIEs and are consolidated by the Company as the primary beneficiary. The Company’s maximum exposure to any of the sidecars is the amount of capital invested at any given time.

AlphaCat ILS funds

The AlphaCat ILS funds received third party subscriptions beginning on December 17, 2012. The Company and third party investors invest in the AlphaCat ILS funds for the purpose of investing in instruments with returns linked to property catastrophe reinsurance, retrocession and ILS contracts. The AlphaCat ILS funds have varying risk profiles and are categorized by the expected loss of the fund. Expected loss represents the average annual loss over the set of simulation scenarios divided by the total limit. Lower risk ILS funds are defined as having a maximum permitted portfolio expected loss of less than 7%, whereas higher risk ILS funds have a maximum permitted portfolio expected loss of greater than 7%. The AlphaCat ILS funds primarily deploy their capital through transactions entered into by AlphaCat Re and AlphaCat Master Fund Ltd. (“AlphaCat Master Fund”). The AlphaCat ILS funds are VIEs and are consolidated by the Company as the primary beneficiary. The Company’s maximum exposure to any of the funds is the amount of capital invested at any given time and any remaining capital commitments. Refer to Note 23, “Commitments and contingencies,” for further details.

AlphaCat Re and AlphaCat Master Fund

The Company utilizes AlphaCat Re and AlphaCat Master Fund (collectively the “master funds”), both market facing entities, for the purpose of writing collateralized reinsurance and investing in capital markets products, respectively, on behalf of certain entities within the AlphaCat segment and direct third party investors. AlphaCat Re enters into transactions on behalf of the AlphaCat sidecars and ILS funds (collectively the “feeder funds”) and direct third party investors, whereas AlphaCat Master Fund only enters into transactions on behalf of certain AlphaCat ILS funds. All of the risks and rewards of the underlying transactions are allocated to the feeder funds and direct third party investors using variable funding notes. The master funds are VIEs and are consolidated by the Company as the primary beneficiary.

Notes Payable to AlphaCat Investors

The master funds issue variable funding notes to the feeder funds, and direct to third party investors, in order to write collateralized reinsurance and invest in capital markets products on their behalf. The Company’s investments in the feeder funds, together with investments made by third parties in the feeder funds and on a direct basis, are provided as consideration for the notes to the master funds. The duration of the underlying collateralized reinsurance contracts and capital market products is typically twelve months; however, the variable funding notes do not have a stated maturity date or principal amount since repayment is dependent on the settlement and income or loss of the underlying transactions. Therefore, the notes are subsequently redeemed as the underlying transactions are settled. The income or loss generated by the underlying transactions is then transferred to the feeder funds and direct third party investors via the variable funding notes.

As both the master and feeder funds are consolidated by the Company, any notes issued by the master funds to the feeder funds are eliminated on consolidation and only variable funding notes issued by AlphaCat Re to direct third party investors remain on the Consolidated Balance Sheets as notes payable to AlphaCat investors with the related income or loss included in the Consolidated Statements of Income and Comprehensive Income as (income) attributable to AlphaCat investors. To the extent that the (income) loss has not been returned to the investors, it is included in accounts payable and accrued expenses in the Consolidated Balance Sheets.

During 2016, one of the AlphaCat ILS funds (“the Fund”) issued both common shares and structured notes to the Company and other third party investors in order to capitalize the fund. The Fund deploys its capital through AlphaCat Re; therefore, the structured notes do not have a stated maturity date or principal amount since repayment is dependent on the settlement and income or loss of the variable funding notes with AlphaCat Re. The structured notes rank senior to the common shares and earn an interest rate of 8.0% per annum, payable on a cumulative basis in arrears.

As the Fund is consolidated by the Company, the structured notes issued to the Company are eliminated on consolidation and only the structured notes issued to third party investors remain on the Consolidated Balance Sheets as notes payable to AlphaCat investors with any related interest included in the Consolidated Statements of Income and Comprehensive Income as (income) loss attributable to AlphaCat investors. To the extent that the accrued interest on the structured notes has not been returned to the investors, it is included in accounts payable and accrued expenses in the Consolidated Balance Sheets.

The following tables present a reconciliation of the beginning and ending notes payable to AlphaCat investors as at December 31, 2016 and 2015:

	Year Ended December 31, 2016
	Variable Funding Notes			Structured Notes			Total
Notes payable to AlphaCat investors, beginning of year	$	75,493		$	—		$	75,493
Issuance of notes payable to AlphaCat investors	311,711			94,326			406,037
Redemption of notes payable to AlphaCat investors	(109,712		)	(94,326		)	(204,038		)
Foreign exchange gains	710			—			710
Notes payable to AlphaCat investors, end of year	$	278,202		$	—		$	278,202
	Year Ended December 31, 2015
	Variable Funding Notes			Structured Notes			Total
Notes payable to AlphaCat investors, beginning of year	$	—		$	—		$	—
Issuance of notes payable to AlphaCat investors	75,770			—			75,770
Foreign exchange losses	(277		)	—			(277		)
Notes payable to AlphaCat investors, end of year	$	75,493		$	—		$	75,493

As at December 31, 2016, $1,000 of the structured notes redeemed during the year ended December 31, 2016 were payable to AlphaCat investors and included in accounts payable and accrued expenses.

The income attributable to AlphaCat investors for the year ended December 31, 2016 was $23,358 (2015: $2,412), of which $17,068 was included in accounts payable and accrued expenses as at December 31, 2016 (December 31, 2015: $2,412).     

BetaCat ILS funds

The BetaCat ILS funds invest exclusively in catastrophe bonds (principal-at-risk variable rate notes and other event-linked securities, being referred to collectively as “Cat Bonds”) focused on property and casualty risk and issued under Rule 144A of the Securities Act of 1933, as amended, following a passive buy-and-hold investment strategy. One of the funds is a VIE and is consolidated by the Company as the primary beneficiary. The remaining funds are VOEs and are consolidated by the Company as it owns all of the voting equity interests. The Company’s maximum exposure to any of the funds is the amount of capital invested at any given time.

The following table presents the total assets and total liabilities of the Company’s consolidated VIEs, excluding intercompany eliminations, as at December 31, 2016 and 2015:

	December 31, 2016				December 31, 2015
	Total Assets		Total Liabilities		Total Assets		Total Liabilities
AlphaCat sidecars	$	40,041	$	3,206	$	206,581	$	14,804
AlphaCat ILS funds - Lower Risk	$	1,498,276	$	42,457	$	1,268,070	$	143,371
AlphaCat ILS funds - Higher Risk	$	972,633	$	381,332	$	522,867	$	300,122
AlphaCat Re and AlphaCat Master Fund	$	2,510,415	$	2,510,245	$	1,615,779	$	1,615,609
BetaCat ILS funds	$	82,471	$	30,663	$	64,221	$	2,472

Assets of consolidated VIEs can only be used to settle obligations and liabilities of the consolidated VIEs and do not have recourse to the general credit of the Company. Investments of these entities are presented separately in Note 7, “Investments,” as non-managed investments.

(b) Non-Consolidated VIEs

The Company invests in private equity and other investment vehicles as part of the Company’s investment portfolio. The activities of these VIEs are generally limited to holding investments and the Company’s involvement in these entities is passive in nature. The Company’s maximum exposure to the VIEs is the amount of capital invested at any given time and any remaining capital commitments. The Company does not have the power to direct the activities which most significantly impact the VIEs economic performance and therefore, the Company is not the primary beneficiary of these VIEs.

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Noncontrolling interests

12 Months Ended

Dec. 31, 2016

Noncontrolling Interest [Abstract]

Noncontrolling interest

Noncontrolling interests

Investors in certain of the AlphaCat ILS funds have rights that enable shareholders, subject to certain limitations, to redeem their shares. The third party equity is therefore recorded on the Company’s Consolidated Balance Sheets as redeemable noncontrolling interests. When and if a redemption notice is received, the fair value of the redemption is reclassified to a liability.

The AlphaCat sidecars and one of the AlphaCat ILS funds have no shareholder redemption rights. Therefore, the third party equity is recorded on the Company’s Consolidated Balance Sheets as noncontrolling interests.

The following tables present a reconciliation of the beginning and ending balances of redeemable noncontrolling interests and noncontrolling interests for the years ended December 31, 2016 and 2015:

	Redeemable Noncontrolling Interests						Noncontrolling Interests						Total
	Years Ended December 31,						Years Ended December 31,						Years Ended December 31,
	2016			2015			2016			2015			2016			2015
Balance, beginning of year	$	1,111,714		$	617,791		$	154,662		$	292,274		$	1,266,376		$	910,065
Issuance of shares	393,450			499,200			171,674			9,600			565,124			508,800
Income attributable to noncontrolling interests	100,852			71,418			22,511			21,546			123,363			92,964
Redemption of shares / Distributions	(78,015		)	(76,695		)	(182,870		)	(168,758		)	(260,885		)	(245,453		)
Balance, end of year	$	1,528,001		$	1,111,714		$	165,977		$	154,662		$	1,693,978		$	1,266,376

As at December 31, 2016, redemptions of $71,530 and distributions of $16,144 (December 31, 2015: $10,800 and $nil) were payable to redeemable noncontrolling interests and noncontrolling interests, respectively. These amounts are classified within accounts payable and accrued expenses on the Company’s Consolidated Balance Sheets.

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Investment in operating affiliate

12 Months Ended

Dec. 31, 2016

Equity Method Investments and Joint Ventures [Abstract]

Investment in affiliates

Investment in operating affiliate

On April 2, 2012, the Company joined with other investors in capitalizing PaCRe, Ltd. (“PaCRe”), a Class 4 Bermuda reinsurer formed for the purpose of writing high excess property catastrophe reinsurance. During 2015, PaCRe’s Class 4 license was surrendered and it was considered off-risk effective January 1, 2016. During 2016, PaCRe was liquidated. The Company’s investment in PaCRe was treated as an equity method investment.

The following table presents a reconciliation of the beginning and ending investment in PaCRe for the years ended December 31, 2016 and 2015:

	Years Ended December 31,
	2016			2015
Operating affiliate, beginning of year	$	392		$	50,944
Return of investment	(369		)	(46,603		)
Loss from operating affiliate	(23		)	(3,949		)
Operating affiliate, end of year	$	—		$	392

The following table presents the Company’s investment in PaCRe as at December 31, 2015:

	Investment at cost		Voting ownership %		Equity ownership %		Carrying value
Investment in PaCRe	$	392	100.0	%	10.0	%	$	392

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Derivative instruments

12 Months Ended

Dec. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative instruments

Derivative instruments

The Company enters into derivative instruments for risk management purposes, specifically to hedge unmatched foreign currency exposures and interest rate exposures.

(a) Derivatives not designated as hedging instruments

The following table summarizes information on the classification and amount of the fair value of derivatives not designated as hedging instruments for accounting purposes within the Company’s Consolidated Balance Sheets as at December 31, 2016 and December 31, 2015:

	December 31, 2016						December 31, 2015
Derivatives not designated as hedging instruments	Notional Exposure		Asset Derivative at Fair Value (a)		Liability Derivative at Fair Value (a)		Notional Exposure		Asset Derivative at Fair Value (a)		Liability Derivative at Fair Value (a)
Foreign currency forward contracts	$	181,375	$	2,351	$	3,421	$	255,840	$	2,601	$	3,211

(a) Asset and liability derivatives are classified within other assets and accounts payable and accrued expenses, respectively, within the Company’s Consolidated Balance Sheets.

The following table summarizes information on the classification and net impact on earnings, recognized in the Company’s Consolidated Statements of Income and Comprehensive Income relating to the foreign currency forward and interest rate swap contracts that were not designated as hedging instruments for accounting purposes during the years endedDecember 31, 2016, 2015 and 2014:

Derivatives not designated as hedging instruments	Classification of gains (losses) recognized in earnings	Years Ended December 31,
		2016			2015			2014
Foreign currency forward contracts	Foreign exchange gains losses	$	(1,667	)	$	(610	)	$	—
Foreign currency forward contracts	Other insurance related income and other income	$	142		$	139		$	(133	)
Interest rate swap contracts (a)	Net realized gains on investments	$	8,518		$	—		$	—

(a) Relates to net realized gains on two interest rate swap contracts which were entered into and terminated during the year ended December 31, 2016 to partially offset the impact of interest rate increases on the Company’s fixed maturity investment portfolio.

(b) Derivatives designated as hedging instruments

The following table summarizes information on the classification and amount of the fair value of derivatives designated as hedging instruments for accounting purposes on the Consolidated Balance Sheets as at December 31, 2016 and 2015:

	December 31, 2016						December 31, 2015
Derivatives designated as hedging instruments	Notional Exposure		Asset Derivative at Fair Value (a)		Liability Derivative at Fair Value (a)		Notional Exposure		Asset Derivative at Fair Value (a)		Liability Derivative at Fair Value (a)
Interest rate swap contracts	$	552,263	$	20	$	1,479	$	552,263	$	21	$	1,942

(a) Asset and liability derivatives are classified within other assets and accounts payable and accrued expenses, respectively, within the Company’s Consolidated Balance Sheets.

Derivative instruments designated as a fair value hedge

Up to September 30, 2015, the Company had designated certain foreign currency derivative instruments as fair value hedges for accounting purposes and formally and contemporaneously documented all relationships between the derivative instruments and hedged items and linked the derivative instruments to specific assets and liabilities. The Company assessed the effectiveness of these hedges, both at inception and on an on-going basis to determine whether the hedges were highly effective in offsetting changes in fair value of the linked hedged items.

The following table provides the net impact on earnings, recognized in income within foreign exchange gains (losses), relating to the derivative instruments formally designated as fair value hedges for accounting purposes along with the impact of the related hedged items for the years endedDecember 31, 2016, 2015 and 2014:

	Years Ended December 31,
Foreign currency forward contracts	2016		2015			2014
Amount of loss recognized in income on derivative	$	—	$	(12,279	)	$	(9,651	)
Amount of gain on hedged item recognized in income attributable to risk being hedged	$	—	$	12,279		$	9,651
Amount of gain recognized in income on derivative (ineffective portion)	$	—	$	—		$	—

Derivative instruments designated as a cash flow hedge

The Company designates its interest rate derivative instruments as cash flow hedges for accounting purposes and formally and contemporaneously documents all relationships between the hedging instruments and hedged items and links the derivative instruments to specific assets and liabilities. The Company assesses the effectiveness of the hedges, both at inception and on an on-going basis and determines whether the hedges are highly effective in offsetting changes in fair value of the linked hedged items. The Company currently applies the long haul method when assessing the hedge’s effectiveness.

The following table provides the total impact on other comprehensive income (loss) and earnings relating to the derivative instruments formally designated as cash flow hedges along with the impact of the related hedged items for the years endedDecember 31, 2016, 2015 and 2014:

	Years Ended December 31,
Interest rate swap contracts	2016			2015			2014
Amount of effective portion recognized in other comprehensive income	$	10,584		$	13,740		$	13,302
Amount of effective portion subsequently reclassified to earnings	$	(10,861	)	$	(12,899	)	$	(13,074	)
Amount of ineffective portion excluded from effectiveness testing	$	277		$	(841	)	$	(228	)

The above balances relate to interest payments and have therefore been classified as finance expenses in the Consolidated Statements of Income and Comprehensive Income.

(c) Classification within the fair value hierarchy

As described in Note 8, “Fair value measurements,” a company must determine the appropriate level in the fair value hierarchy for each fair value measurement. The assumptions used within the valuation of the Company’s derivative instruments are observable in the marketplace, can be derived from observable data or are supported by observable levels at which other similar transactions are executed in the marketplace. Accordingly, these derivatives were classified within Level 2 of the fair value hierarchy.

(d) Balance sheet offsetting

There was no balance sheet offsetting activity as at December 31, 2016 or December 31, 2015.

The Company currently provides cash collateral as security for interest rate swap contracts. The Company does not provide cash collateral or financial instruments as security for foreign currency forward contracts. Our derivative instruments are generally traded under International Swaps and Derivatives Association master netting agreements, which establish terms that apply to all transactions. On a periodic basis, the amounts receivable from or payable to the counterparties are settled in cash.

The Company has not elected to settle multiple transactions with an individual counterparty on a net basis.

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Premiums receivable

12 Months Ended

Dec. 31, 2016

Premiums Receivable Disclosure [Abstract]

Premiums receivable

Premiums receivable

Premiums receivable are composed of premiums in the course of collection, net of commissions and brokerage, and premiums accrued but unbilled, net of commissions and brokerage. It is common practice in the (re)insurance industry for premiums to be paid on an installment basis, therefore significant amounts will be considered unbilled and will not become due until a future date, which is typically no later than expiration of the underlying coverage period. The following is a breakdown of the components of premiums receivable at December 31, 2016 and 2015:

	Year Ended December 31, 2016
	Premiums in course of collection		Premiums accrued but unbilled		Total
Premiums receivable, beginning of year	$	95,152	$	563,530	$	658,682
Change during year	6,250		60,458		66,708
Premiums receivable, end of year	$	101,402	$	623,988	$	725,390

	Year Ended December 31, 2015
	Premiums in course of collection		Premiums accrued but unbilled			Total
Premiums receivable, beginning of year	$	84,901	$	621,566		$	706,467
Change during year	10,251		(58,036		)	(47,785		)
Premiums receivable, end of year	$	95,152	$	563,530		$	658,682

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Reserve for losses and loss expenses

12 Months Ended

Dec. 31, 2016

Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract]

Reserve for losses and loss expenses

Reserve for losses and loss expenses

Reserves for losses and loss expenses are based in part upon the estimation of case reserves from broker, insured and ceding company reported data. The Company also uses statistical and actuarial methods to estimate ultimate expected losses and loss expenses, from which IBNR losses can be calculated. The period of time from the occurrence of a loss to the reporting of a loss to the Company and to the settlement of the Company’s liability may be several months or years. During this period, additional facts and trends may be revealed. As these factors become apparent, reserves will be adjusted, sometimes requiring an increase or decrease in the overall reserves of the Company, and at other times requiring a reallocation of incurred but not reported reserves to specific case reserves. These estimates are reviewed and adjusted regularly, and such adjustments, if any, are reflected in earnings in the period in which they become known. While management believes that it has made a reasonable estimate of ultimate losses, there can be no assurances that ultimate losses and loss expenses will not exceed this estimate.

The following table summarizes the total reserve for losses and loss expenses as at December 31, 2016 and 2015:

	December 31, 2016		December 31, 2015
Case reserves	$	1,237,772	$	1,278,697
IBNR	1,757,423		1,717,870
Total reserve for losses and loss expenses	$	2,995,195	$	2,996,567

The following table represents an analysis of paid and unpaid losses and loss expenses incurred and a reconciliation of the beginning and ending unpaid losses and loss expenses for the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
	2016			2015			2014
Reserve for losses and loss expenses, beginning of year	$	2,996,567		$	3,243,147		$	3,047,933
Loss reserves recoverable	(350,586		)	(377,466		)	(370,154		)
Net reserves for losses and loss expenses, beginning of year	2,645,981			2,865,681			2,677,779
Net reserves acquired	—			—			525,091
Increase (decrease) in net reserves for losses and loss expenses in respect of losses occurring in:
Current year	1,281,289			1,283,970			1,024,256
Prior years (a)	(216,192		)	(306,137		)	(259,241		)
Total incurred losses and loss expenses (a)	1,065,097			977,833			765,015
Less net losses and loss expenses paid in respect of losses occurring in:
Current year	(389,234		)	(326,167		)	(245,084		)
Prior years	(725,168		)	(841,672		)	(818,569		)
Total net paid losses	(1,114,402		)	(1,167,839		)	(1,063,653		)
Foreign exchange gain	(31,902		)	(29,694		)	(38,551		)
Net reserve for losses and loss expenses, end of year	2,564,774			2,645,981			2,865,681
Loss reserves recoverable	430,421			350,586			377,466
Reserve for losses and loss expenses, end of year	$	2,995,195		$	2,996,567		$	3,243,147

Incurred losses and loss expenses comprise:

	Years Ended December 31,
	2016			2015			2014
Gross losses and loss expenses (a)	$	1,257,054		$	1,083,695		$	826,826
Reinsurance balances recoverable	(191,957		)	(105,862		)	(61,811		)
Net incurred losses and loss expenses (a)	$	1,065,097		$	977,833		$	765,015

(a) Upon closing the acquisition of Western World, an adjustment of $15,586 was made to increase net reserves to reflect fair value. This adjustment was fully amortized to income through a reduction in losses and loss expenses of $10,979 and $4,607 during the years ended December 31, 2015 and 2014, respectively.

The net favorable development on prior accident years by segment and line of business for the years endedDecember 31, 2016, 2015 and 2014 was as follows:

	Year Ended December 31, 2016
	Property			Marine			Specialty			Liability			Total
Validus Re	$	(57,888	)	$	(24,435	)	$	(36,210	)	$	—		$	(118,533	)
Talbot	(38,368		)	(11,738		)	(35,704		)	—			(85,810		)
Western World	(2,701		)	—			—			(6,411		)	(9,112		)
AlphaCat	(1,858		)	—			(879		)	—			(2,737		)
Net favorable development	$	(100,815	)	$	(36,173	)	$	(72,793	)	$	(6,411	)	$	(216,192	)

The Validus Re segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses along with favorable development on the 2015 Chilean Earthquake and 2015 Tianjin port explosion loss events partially offset by adverse development on events in the marine lines primarily related to receipt of a loss advice on an individual marine policy that incepted during the second half of 2015. The Talbot segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses partially offset by adverse development on events in the marine lines primarily related to receipt of a loss advice on an individual marine policy that incepted during the second half of 2015. The Western World segment experienced favorable development on prior accident years principally due to favorable development on attritional losses.

	Year Ended December 31, 2015
	Property			Marine			Specialty			Liability			Total (a)
Validus Re	$	(70,343	)	$	(39,460	)	$	(18,813	)	$	—		$	(128,616	)
Talbot	(52,393		)	(63,920		)	(30,044		)	—			(146,357		)
Western World (a)	(6,045		)	—			—			(16,922		)	(22,967		)
AlphaCat	(8,197		)	—			—			—			(8,197		)
Net favorable development (a)	$	(136,978	)	$	(103,380	)	$	(48,857	)	$	(16,922	)	$	(306,137	)

The Validus Re segment experienced favorable development on prior accident years primarily due to favorable development on Superstorm Sandy, a 2012 loss event, and attritional losses. The Talbot segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses and certain events, including the Thailand floods, which was a 2011 loss event. The Western World segment experienced favorable development on prior accident years primarily due to the amortization of the fair value adjustment made at the acquisition date as well as favorable development on attritional losses.

	Year Ended December 31, 2014
	Property			Marine			Specialty			Liability			Total
Validus Re	$	(76,064	)	$	(6,830	)	$	(4,706	)	$	—		$	(87,600	)
Talbot	(53,779		)	(31,397		)	(55,990		)	—			(141,166		)
Western World (a)	1,023			—			—			(12,263		)	(11,240		)
AlphaCat	(19,235		)	—			—			—			(19,235		)
Net favorable development (a)	$	(148,055	)	$	(38,227	)	$	(60,696	)	$	(12,263	)	$	(259,241	)

(a) Upon closing the acquisition of Western World, an adjustment of $15,586 was made to increase net reserves to reflect fair value. This adjustment was fully amortized to income through a reduction in losses and loss expenses of $10,979 and $4,607 during the years ended December 31, 2015 and 2014, respectively.

The Validus Re segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses and the European Floods, Superstorm Sandy and Gryphon Alpha mooring failure loss events, partially offset by adverse development on the Costa Concordia loss event. The Talbot segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses and loss events, primarily the Tohoku earthquake, which was a 2011 loss event. The Western World segment experienced favorable development on prior accident years primarily due to the amortization of the fair value adjustment made at the acquisition date as well as favorable development on attritional losses. The AlphaCat segment experienced favorable development on prior accident years primarily due to the partial release of a 2013 aggregate excess of loss contract.

Short Duration Contract Disclosures

During the year, the Company adopted ASU 2015-09 and has included the required disclosures below. Refer to Note 4, “Recent Accounting Pronouncements,” for further information.

The Company has disaggregated its information presented in the tables below by line of business as appropriate for each of the Validus Re, Talbot and Western World segments. The Company has not prepared loss development tables for the AlphaCat segment as its reserves for losses and loss expenses as at December 31, 2016 of $48,534 are not significant (1.9% of total net reserves) and therefore, presenting this information would not be meaningful. Reserves for the AlphaCat segment have been included as a reconciling item within the reconciliation of loss development information to the Company’s reserves for losses and loss expenses.

The Company has presented the below development tables for all accident years shown using exchange rates as at December 31, 2016. All accident years prior to the current year have been restated and presented using the current year exchange rate.

(a) Loss Development Tables

(i)Validus Re

The Validus Re loss development tables have been produced by line of business for accident years 2012 through to 2016. The Company determined that it was impracticable to produce IBNR by accident year by lines of business for years prior to 2012 as the necessary data in original currency was not readily available. In addition, Validus Re provides treaty reinsurance products on a global basis for all of its lines of business and does not receive or maintain claims count information associated with its reserved claims. As such, the Company has determined that it is impracticable to provide this information.

The net reserves for losses and loss expenses related to the acquisitions of IPC Holdings Ltd. (“IPC”) acquired on September 4, 2009, and Flagstone Reinsurance Holdings, S.A. (“Flagstone”), acquired on November 30, 2012, have been incorporated in Validus Re’s reserves for losses and loss expenses on a prospective basis. IPC and Flagstone were put into run-off as at the acquisition date of each. The prospective treatment for the acquisition of Flagstone was adopted primarily as a result of the data necessary to produce the loss development tables by accident year and by lines of business not being migrated over on acquisition as it was not requested or received and as a result does not exist within Validus Re’s data systems.

Validus Re - Property
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	397,635	$	321,956	$	309,344	$	282,517	$	280,411	$	19,108	n/a
2013			174,722		156,233		141,203		132,830		7,233		n/a
2014					108,206		102,273		95,392		6,757		n/a
2015							154,923		118,484		41,177		n/a
2016									149,263		86,564		n/a
							Total		$	776,380
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	67,004		149,433		202,141		225,518		234,256
2013			17,325		63,974		101,158		114,263
2014					25,346		63,415		78,509
2015							16,029		57,882
2016									26,522
							Total		$	511,432
Reserves for losses and loss expenses, before 2012, net of reinsurance (a)									$	154,539
	Reserves for losses and loss expenses, net of reinsurance								$	419,487

(a) Includes reserves for losses and loss expenses, net of reinsurance, of $77,790 and $10,614 related to Flagstone and IPC, respectively.

Validus Re - Marine
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	195,163	$	226,817	$	225,131	$	218,734	$	216,673	$	19,725	n/a
2013			76,776		74,022		63,630		61,210		7,347		n/a
2014					63,732		42,991		35,910		7,418		n/a
2015							129,864		119,490		55,557		n/a
2016									68,531		49,619		n/a
							Total		$	501,814
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	11,356		94,052		148,628		169,420		178,172
2013			11,784		28,996		39,493		44,512
2014					7,013		11,749		17,383
2015							3,723		16,180
2016									8,801
							Total		$	265,048
Reserves for losses and loss expenses, before 2012, net of reinsurance (a)									$	64,750
	Reserves for losses and loss expenses, net of reinsurance								$	301,516

(a) Includes reserves for losses and loss expenses, net of reinsurance, of $15,178 and $1,537 related to Flagstone and IPC, respectively.

Validus Re - Specialty
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	53,798	$	54,573	$	49,263	$	47,428	$	46,626	$	733	n/a
2013			182,297		190,470		178,736		174,219		1,974		n/a
2014					213,911		208,508		200,649		8,372		n/a
2015							296,554		279,766		32,236		n/a
2016									295,872		128,761		n/a
							Total		$	997,132
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	$	17,716	$	41,156	$	44,037	$	44,942	$	45,332
2013			99,340		157,688		164,366		166,814
2014					95,765		162,056		176,202
2015							177,776		235,819
2016									149,502
							Total		$	773,669
Reserves for losses and loss expenses, before 2012, net of reinsurance (a)									$	67,909
	Reserves for losses and loss expenses, net of reinsurance								$	291,372

(a) Includes reserves for losses and loss expenses, net of reinsurance, of $41,091 and $5,743 related to Flagstone and IPC, respectively.

(ii)Talbot

The Talbot loss development tables have been produced by line of business for accident years 2012 through to 2016. The Company determined that it was impracticable to produce IBNR by accident year for years prior to 2012 as the Company did not record this data for years prior to 2012 and as such, did not allocate IBNR by line of business for these years. Talbot writes treaty reinsurance business along with business through binders and lineslips and for this business the Company does not receive or maintain claims count information associated with its reserved losses therefore, the Company has determined that it is impracticable to provide claims count information.

Talbot - Property
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	135,923	$	112,488	$	100,748	$	101,387	$	100,773	$	2,413	n/a
2013			118,167		96,814		83,426		81,004		605		n/a
2014					147,259		121,260		114,852		5,528		n/a
2015							138,087		109,608		12,696		n/a
2016									177,771		76,755		n/a
							Total		$	584,008
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	$	13,051	$	61,490	$	83,824	$	88,150	$	92,512
2013			12,813		48,231		67,328		73,267
2014					21,249		74,493		95,945
2015							24,537		63,437
2016									37,880
							Total		$	363,041
Reserves for losses and loss expenses, before 2012, net of reinsurance									$	12,180
	Reserves for losses and loss expenses, net of reinsurance								$	233,147

Talbot - Marine
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	208,883	$	203,855	$	186,278	$	182,283	$	178,839	$	5,154	n/a
2013			189,091		188,991		168,203		161,839		11,372		n/a
2014					180,401		155,361		154,105		13,671		n/a
2015							187,790		192,818		54,285		n/a
2016									159,153		89,536		n/a
							Total		$	846,754
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	$	36,491	$	105,600	$	136,335	$	153,550	$	157,475
2013			38,416		88,494		112,781		125,037
2014					24,433		74,547		102,788
2015							25,300		73,957
2016									35,105
							Total		$	494,362
Reserves for losses and loss expenses, before 2012, net of reinsurance									$	44,753
	Reserves for losses and loss expenses, net of reinsurance								$	397,145

Talbot - Specialty
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	151,306	$	132,735	$	122,760	$	120,621	$	118,869	$	5,886	n/a
2013			166,450		145,905		132,797		124,208		8,724		n/a
2014					215,960		214,962		198,653		39,248		n/a
2015							152,907		149,031		39,447		n/a
2016									166,604		105,142		n/a
							Total		$	757,365
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	$	25,591	$	57,906	$	83,201	$	87,753	$	105,888
2013			42,325		77,428		91,940		100,213
2014					41,183		107,882		135,526
2015							35,724		85,397
2016									33,468
							Total		$	460,492
Reserves for losses and loss expenses, before 2012, net of reinsurance									$	45,486
	Reserves for losses and loss expenses, net of reinsurance								$	342,359

(iii)Western World

The Western World loss development tables have been produced by line of business for accident years 2007 through to 2016. The Company has accumulated claims count information by accident year for Western World. The Company’s methodology for determining reported claims count information is on a per claims basis by accident year and is inclusive of claims that are open, closed with payment and closed without payment.

Western World - Property
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,																				December 31, 2016
Accident Year	2007		2008		2009		2010		2011		2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<------------------------------------------------- Unaudited -------------------------------------------------->
2007	$	8,520	$	8,161	$	8,218	$	8,209	$	8,209	$	8,206	$	8,206	$	8,207	$	8,207	$	8,207	$	—	841
2008			12,094		11,615		11,805		11,762		11,729		11,721		11,724		11,724		11,724		—		412
2009					10,300		10,005		10,039		10,034		10,060		10,060		10,060		10,060		—		784
2010							11,846		11,573		11,507		11,414		11,448		11,438		11,332		—		974
2011									12,588		12,223		12,000		12,134		12,012		12,021		—		1,238
2012											15,506		15,491		15,594		15,556		15,522		—		1,680
2013													21,825		23,561		23,659		23,599		—		1,950
2014															35,612		29,282		28,619		103		2,393
2015																	27,879		26,002		135		1,788
2016																			46,636		9,324		1,587
																	Total		$	193,722
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2007		2008		2009		2010		2011		2012		2013		2014		2015		2016
	<------------------------------------------------- Unaudited -------------------------------------------------->
2007	$	5,418	$	7,968	$	8,192	$	8,206	$	8,206	$	8,206	$	8,206	$	8,207	$	8,207	$	8,207
2008			8,895		11,288		11,672		11,747		11,714		11,721		11,724		11,724		11,724
2009					8,096		9,948		9,942		10,003		10,060		10,060		10,060		10,060
2010							8,563		10,521		10,905		10,854		10,882		10,903		11,287
2011									9,797		12,000		11,976		12,027		12,009		12,021
2012											11,166		14,838		15,435		15,513		15,522
2013													15,568		22,647		23,104		23,561
2014															21,913		27,211		27,606
2015																	18,981		25,302
2016																			29,666
																	Total		$	174,956
	Reserves for losses and loss expenses, before 2007, net of reinsurance																		$	—
	Reserves for losses and loss expenses, net of reinsurance																		$	18,766

Western World - Liability
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,																				December 31, 2016
Accident Year	2007		2008		2009		2010		2011		2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<------------------------------------------------- Unaudited -------------------------------------------------->
2007	$	164,717	$	162,239	$	160,117	$	158,478	$	154,499	$	152,163	$	149,994	$	107,894	$	107,350	$	106,342	$	1,981	$	4.727
2008			135,009		135,280		135,330		133,088		131,006		129,559		102,424		102,070		101,478		2,075		4,950
2009					116,474		116,780		116,990		116,463		116,327		98,261		96,235		95,266		2,173		3,955
2010							101,223		108,823		111,675		112,072		105,400		106,066		103,973		3,877		4,205
2011									101,091		107,741		107,827		109,412		109,183		108,301		4,627		4,372
2012											108,981		111,283		133,990		132,562		127,486		9,410		4,649
2013													132,077		165,233		164,428		158,329		17,049		5,990
2014															197,022		197,388		203,592		44,988		7,469
2015																	154,184		158,591		76,092		5,152
2016																			133,303		104,906		3,156
																	Total		$	1,296,661
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2007		2008		2009		2010		2011		2012		2013		2014		2015		2016
	<------------------------------------------------- Unaudited -------------------------------------------------->
2007	$	10,723	$	30,741	$	58,358	$	80,218	$	91,020	$	96,658	$	99,978	$	102,600	$	103,961	$	104,038
2008			8,654		28,467		51,165		71,239		82,661		89,433		93,563		95,773		97,475
2009					10,023		30,131		48,255		65,009		77,895		85,644		89,688		90,415
2010							8,215		28,393		51,765		71,430		84,320		92,889		96,309
2011									7,331		27,438		50,197		75,000		88,415		96,780
2012											8,823		31,291		65,437		92,499		108,409
2013													10,159		41,782		77,776		108,613
2014															16,468		52,543		98,848
2015																	12,662		39,598
2016																			9,873
																	Total		$	850,358
	Reserves for losses and loss expenses, before 2007, net of reinsurance																		$	8,944
	Reserves for losses and loss expenses, net of reinsurance																		$	455,247

(b) Reconciliation of Loss Development Information to the Reserves for Losses and Loss Expenses

The table below reconciles the loss development information to the Company’s reserves for losses and loss expenses as at December 31, 2016:

	December 31, 2016
Reserves for losses and loss expenses, net of reinsurance
Validus Re - Property	$	419,487
Validus Re - Marine	301,516
Validus Re - Specialty	291,372
Talbot - Property	233,147
Talbot - Marine	397,145
Talbot - Specialty	342,359
Western World - Property	18,766
Western World - Liability	455,247
Total reserves for losses and loss expenses, net of reinsurance	2,459,039
Loss reserves recoverable
Validus Re - Property	42,873
Validus Re - Marine	52,970
Validus Re - Specialty	2,162
Talbot - Property	93,774
Talbot - Marine	125,677
Talbot - Specialty	86,587
Western World - Property	187
Western World - Liability	87,300
Elimination - Intercompany	(61,109		)
Total loss reserves recoverable	430,421
Unallocated loss adjustment expenses	51,990
Provisions for uncollectible reinsurance	5,153
Reserves for losses and loss expenses - AlphaCat segment	48,534
Other	58
Total reserves for losses and loss expenses	$	2,995,195

(c) Historical Loss Duration

The below table summarizes the historic average annual percentage payout of incurred losses by age, net of reinsurance, as of December 31, 2016:

	Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance
	December 31, 2016
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Validus Re - Property	19.0	%	34.9	%	20.9	%	9.1	%	3.1	%	n/a		n/a		n/a		n/a		n/a
Validus Re - Marine	12.0	%	22.5	%	19.3	%	8.9	%	4.0	%	n/a		n/a		n/a		n/a		n/a
Validus Re - Specialty	51.4	%	34.4	%	5.7	%	1.7	%	0.8	%	n/a		n/a		n/a		n/a		n/a
Talbot - Property	18.2	%	43.4	%	21.5	%	5.8	%	4.3	%	n/a		n/a		n/a		n/a		n/a
Talbot - Marine	19.0	%	31.8	%	16.8	%	8.6	%	2.2	%	n/a		n/a		n/a		n/a		n/a
Talbot - Specialty	24.1	%	30.6	%	15.6	%	5.2	%	15.3	%	n/a		n/a		n/a		n/a		n/a
Western World - Property	73.1	%	22.4	%	2.0	%	0.5	%	0.1	%	0.1	%	0.9	%	—	%	—	%	—	%
Western World - Liability	8.1	%	18.9	%	22.9	%	20.1	%	12.0	%	7.2	%	3.7	%	1.8	%	1.5	%	0.1	%

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Accounts payable and accrued expenses

12 Months Ended

Dec. 31, 2016

Accounts Payable and Accrued Liabilities [Abstract]

Accounts payable and accrued expenses

Accounts payable and accrued expenses

The following are the components of accounts payable and accrued expenses:

	December 31, 2016		December 31, 2015
Accrued interest on debt	$	10,286	$	10,771
Subscriptions received in advance on AlphaCat ILS funds and sidecars	326,900		412,036
Redemptions/distributions payable to noncontrolling interests	87,674		10,800
Structured notes payable to AlphaCat investors	1,000		—
Accrued income attributable to AlphaCat investors	17,068		2,412
Income tax payable	1,036		8,856
Accrued pension liability	16,979		15,722
Trade and compensation payables	126,705		166,734
Total accounts payable and accrued expenses	$	587,648	$	627,331

For the year ended December 31, 2016, non-cash movements in accounts payable and accrued expenses in relation to the AlphaCat ILS funds and sidecars were $217,322 (2015: $(10,239); 2014: $7,847). Of this, redemptions/distributions payable to noncontrolling interests included non-cash movements of $77,873 (2015: $(10,239); 2014: $7,847). Subscriptions received in advance on AlphaCat ILS funds and sidecars included non-cash reinvestment of noncontrolling interests and structured notes of $139,449 (2015: $nil; 2014: $nil).

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Reinsurance

12 Months Ended

Dec. 31, 2016

Reinsurance Disclosures [Abstract]

Reinsurance

Reinsurance

The Company’s reinsurance balances recoverable at December 31, 2016 and 2015 were as follows:

	December 31, 2016		December 31, 2015
Loss reserves recoverable on unpaid:
Case reserves	$	165,328	$	135,723
IBNR	265,093		214,863
Total loss reserves recoverable	430,421		350,586
Paid losses recoverable	35,247		23,071
Total reinsurance recoverable	$	465,668	$	373,657

The Company enters into reinsurance and retrocession agreements in order to mitigate its accumulation of loss, reduce its liability on individual risks, enable it to underwrite policies with higher limits and increase its aggregate capacity. The cession of insurance and reinsurance does not legally discharge the Company from its primary liability for the full amount of the policies, and the Company is required to pay the loss and bear collection risk if the reinsurer fails to meet its obligations under the reinsurance or retrocession agreement. Amounts recoverable from reinsurers are estimated in a manner consistent with the underlying liabilities.

(a) Effects of reinsurance on premiums written and earned

The effects of reinsurance on premiums written and earned for the years ended December 31, 2016, 2015 and 2014 were as follows:

	Year Ended December 31, 2016
	Validus Re						Talbot						Western World						AlphaCat						Eliminations						Total
	Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned
Treaty reinsurance	$	1,111,054		$	1,060,117		$	146,296		$	115,828		$	—		$	—		$	270,402		$	256,085		$	(26,673	)	$	(23,035	)	$	1,501,079		$	1,408,995
Facultative reinsurance	—			—			293,741			307,351			—			—			—			—			—			—			293,741			307,351
Direct	—			—			530,665			529,265			323,220			294,376			—			—			—			—			853,885			823,641
Ceded	(111,564		)	(116,172		)	(175,729		)	(170,528		)	(22,634		)	(21,144		)	(6,451		)	(6,013		)	26,673			23,035			(289,705		)	(290,822		)
Total	$	999,490		$	943,945		$	794,973		$	781,916		$	300,586		$	273,232		$	263,951		$	250,072		$	—		$	—		$	2,359,000		$	2,249,165

	Year Ended December 31, 2015
	Validus Re						Talbot						Western World						AlphaCat						Eliminations						Total
	Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned
Treaty reinsurance	$	1,126,759		$	1,141,184		$	133,273		$	136,796		$	—		$	—		$	176,126		$	164,544		$	(42,718	)	$	(45,115	)	$	1,393,440		$	1,397,409
Facultative reinsurance	—			—			325,311			330,472			—			—			—			—			—			—			325,311			330,472
Direct	—			—			560,251			570,669			278,504			281,587			—			—			—			—			838,755			852,256
Ceded	(149,088		)	(150,971		)	(198,896		)	(199,846		)	(18,877		)	(22,937		)	(4,538		)	(4,609		)	42,718			45,115			(328,681		)	(333,248		)
Total	$	977,671		$	990,213		$	819,939		$	838,091		$	259,627		$	258,650		$	171,588		$	159,935		$	—		$	—		$	2,228,825		$	2,246,889

	Year Ended December 31, 2014
	Validus Re						Talbot						Western World						AlphaCat						Eliminations						Total
	Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned
Treaty reinsurance	$	1,118,532		$	1,109,659		$	149,079		$	163,382		$	—		$	—		$	126,785		$	126,534		$	(53,457	)	$	(60,912	)	$	1,340,939		$	1,338,663
Facultative reinsurance	—			—			334,898			345,252			—			—			—			—			—			—			334,898			345,252
Direct	—			—			617,793			576,136			65,235			80,838			—			—			—			—			683,028			656,974
Ceded	(163,678		)	(192,375		)	(192,211		)	(204,996		)	(6,428		)	(7,842		)	(4,348		)	(3,533		)	53,457			60,912			(313,208		)	(347,834		)
Total	$	954,854		$	917,284		$	909,559		$	879,774		$	58,807		$	72,996		$	122,437		$	123,001		$	—		$	—		$	2,045,657		$	1,993,055

(b) Credit risk

The Company evaluates the financial condition of its reinsurers and monitors concentration of credit risk arising from its exposure to individual reinsurers. The reinsurance program is generally placed with reinsurers whose rating, at the time of placement, was A- or better as rated by Standard & Poor’s or the equivalent with other rating agencies. Exposure to a single reinsurer is also controlled with restrictions dependent on rating. As at December 31, 2016, $461,369 or 99.1% (December 31, 2015: $368,638 or 98.7%) of the Company’s reinsurance balances recoverable were either fully collateralized or recoverable from reinsurers rated A- or better.

Reinsurance recoverables by reinsurer as at December 31, 2016 and 2015 were as follows:

	December 31, 2016				December 31, 2015
	Reinsurance Recoverable		% of Total		Reinsurance Recoverable		% of Total
Top 10 reinsurers	$	395,308	84.9	%	$	303,108	81.1	%
Other reinsurers’ balances > $1 million	66,944		14.4	%	61,222		16.4	%
Other reinsurers’ balances < $1 million	3,416		0.7	%	9,327		2.5	%
Total	$	465,668	100.0	%	$	373,657	100.0	%

	December 31, 2016
Top 10 Reinsurers	Rating	Reinsurance Recoverable		% of Total
Lloyd's Syndicates	A+	$	84,419	18.2	%
Swiss Re	AA-	84,044		18.1	%
Fully collateralized reinsurers	NR	83,088		17.8	%
Hannover Re	AA-	50,603		10.9	%
Everest Re	A+	36,912		7.9	%
Munich Re	AA-	18,214		3.9	%
Transatlantic Re	A+	10,593		2.3	%
Hamilton Re	A-	10,343		2.2	%
Toa Re	A+	9,510		2.0	%
National Indemnity Company	AA+	7,582		1.6	%
Total		$	395,308	84.9	%

NR: Not rated

	December 31, 2015
Top 10 Reinsurers	Rating	Reinsurance Recoverable		% of Total
Swiss Re	AA-	$	83,048	22.2	%
Lloyd's Syndicates	A+	66,356		17.8	%
Hannover Re	AA-	43,765		11.7	%
Everest Re	A+	43,060		11.5	%
Munich Re	AA-	18,707		5.0	%
Transatlantic Re	A+	11,923		3.2	%
Hamilton Re	A-	10,898		2.9	%
National Indemnity Company	AA+	10,293		2.8	%
XL Re	A+	8,728		2.3	%
Toa Re	A+	6,330		1.7	%
Total		$	303,108	81.1	%

At December 31, 2016 and 2015, the provision for uncollectible reinsurance relating to reinsurance recoverables was $5,153 and $4,997, respectively. To estimate this provision for uncollectible reinsurance, reinsurance recoverables are first allocated to applicable reinsurers. This determination is based on a process rather than an estimate, although an element of judgment is applied, especially in relation to ceded IBNR. The Company then uses default factors to determine the portion of a reinsurer’s balance deemed to be uncollectible. Default factors require considerable judgment and are determined in part using the current rating, or rating equivalent, of each reinsurer as well as other key considerations and assumptions.

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Share capital

12 Months Ended

Dec. 31, 2016

Stockholders' Equity Note [Abstract]

Share capital

Share capital

The Company is authorized to issue up to an aggregate of 571,428,571 common and preferred shares with a par value of $0.175 per share.

(a) Preferred shares

On June 13, 2016, the Company issued 6,000 shares of its 5.875% Non-Cumulative Preferred Shares, Series A (the “Series A Preferred Shares”) (equivalent to 6,000,000 Depositary Shares, each of which represents a 1/1,000th interest in a Series A Preferred Share), $0.175 par value and $25,000 liquidation preference per share (equivalent to $25 per Depositary Share). The Series A Preferred Shares were registered and sold under the Securities Act of 1933, as amended, and were issued at a price to the public of $25,000 per share (equivalent to $25 per Depositary Share). After underwriting discounts and expenses, the Company received net proceeds of $144,852 which will be used for general corporate purposes.

The Depositary Shares, representing the Series A Preferred Shares, are traded on the New York Stock Exchange under the symbol “VRPRA.” The Series A Preferred Shares have no stated maturity date and are redeemable, in whole or in part, at the Company’s option on and after June 15, 2021, at a redemption price of $25,000 per Series A Preferred Share (equivalent to $25 per Depositary Share), plus declared and unpaid dividends. The Company may also redeem all, but not less than all, of the Series A Preferred Shares before the redemption date at a redemption price of $26,000 per share (equivalent to $26 per Depositary Share), plus declared and unpaid dividends, if the Company is required to submit a proposal to the holders of the Series A Preferred Shares concerning an amalgamation, consolidation, merger or other similar corporate transaction or change in Bermuda law. The Series A Preferred Shares may also be redeemed before the redemption date at a redemption price of $25,000 per Series A Preferred Share (equivalent to $25 per Depositary Share), plus declared and unpaid dividends, in whole, if there is a change in tax law, or in whole or in part, in the case of a capital disqualification event.

Dividends on the Series A Preferred Shares, when, as and if declared by the Company’s Board of Directors or a duly authorized committee thereof, will accrue and be payable on the liquidation preference amount from the original issue date, on a non-cumulative basis, quarterly in arrears on each dividend payment date at an annual rate of 5.875%. The Company will be restricted from paying dividends on and repurchasing its common shares, unless certain dividend payments are made on the Series A Preferred Shares.

Upon any voluntary or involuntary liquidation, dissolution or winding up of the Company, holders of the Series A Preferred Shares and any parity shares are entitled to receive out of the Company’s assets available for distribution to shareholders, before any distribution is made to holders of common shares or other junior shares, a liquidating distribution in the amount of $25,000 per Series A Preferred Share (equivalent to $25 per Depositary Share) plus declared and unpaid dividends. Distributions will be made pro rata in accordance with the respective aggregate liquidation preferences of the Series A Preferred Shares and any parity shares and only to the extent of our assets, if any, that are available after satisfaction of all liabilities to creditors.

Holders of the Series A Preferred Shares have no voting rights, except with respect to certain fundamental changes in the terms of the Series A Preferred Shares and in the case of certain dividend non-payments or as otherwise required by Bermuda law or the Company’s bye-laws.

The following table is a summary of the Preferred shares issued and outstanding:

	Preferred Shares
Preferred shares issued and outstanding, beginning of year	—
Preferred shares issued	6,000
Preferred shares issued and outstanding, end of year	6,000

(b) Common shares

The holders of common shares are entitled to receive dividends and are allocated one vote per share, provided that, if the controlled shares of any shareholder or group of related shareholders constitute more than 9.09 percent of the outstanding common shares of the Company, their voting power will be reduced to 9.09 percent.

The Company may from time to time repurchase its securities, including common shares, Junior Subordinated Deferrable Debentures and Senior Notes. On February 3, 2015, the Board of Directors of the Company approved an increase in the Company’s common share repurchase authorization to $750,000. This amount was in addition to the $2,274,401 of common shares repurchased by the Company through February 3, 2015 under its previously authorized share repurchase programs.

The Company has repurchased approximately 80,508,849 common shares for an aggregate purchase price of $2,704,406 from the inception of its share repurchase program to December 31, 2016. The Company had $319,995 remaining under its authorized share repurchase program as of December 31, 2016.

The Company expects the purchases under its share repurchase program to be made from time to time in the open market or in privately negotiated transactions. The timing, form and amount of the share repurchases under the program will depend on a variety of factors, including market conditions, the Company’s capital position relative to internal and rating agency targets, legal requirements and other factors. The repurchase program may be modified, extended or terminated by the Board of Directors at any time.

The following table is a summary of the common shares issued and outstanding during the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
	2016		2015		2014
Common shares issued, beginning of year	160,570,772		155,554,224		154,488,497
Restricted share awards vested, net of shares withheld	612,100		614,945		615,659
Restricted share units vested, net of shares withheld	18,486		13,260		10,265
Options exercised	30,530		782,465		412,656
Warrants exercised	—		3,593,715		—
Direct issuance of common stock	—		639		1,380
Performance shares vested, net of shares withheld	48,088		11,524		25,767
Common shares issued, end of year	161,279,976		160,570,772		155,554,224
Treasury shares, end of year	(82,147,724	)	(77,670,155	)	(71,684,379	)
Common shares outstanding, end of year	79,132,252		82,900,617		83,869,845

(c) Warrants

The Company had no outstanding warrants as at both December 31, 2016 and 2015. During the year ended December 31, 2015, 5,154,077 warrants were exercised, while 20,037 warrants expired without being exercised. Each warrant provided the holder with the option to purchase a common share at a specified exercise price. All outstanding warrants expired on December 12, 2015 and no further warrants are anticipated to be issued.

The warrants were settled using either the physical settlement or net-share settlement methods. The warrants have been classified as equity instruments, in accordance with ASC Topic 815 “Derivatives and Hedging, Contracts in Entity’s own Equity.” The warrants were measured at fair value and recorded in additional paid-in capital.

(d) Dividends

The Company announced four quarterly cash dividends of $0.35 per common share during the year ended December 31, 2016 (2015: $0.32). These dividends were paid on March 31, 2016, June 30, 2016, September 30, 2016 and December 30, 2016 to holders of record on March 15, 2016, June 15, 2016, September 15, 2016 and December 15, 2016, respectively.

During the quarter ended September 30, 2016, the Company declared and paid a cash dividend on its outstanding Series A Preferred Shares of $0.3753472 per depositary share for the period June 13, 2016 to September 15, 2016. In addition, during the quarter ended December 31, 2016, the Company declared and paid a cash dividend of $0.3671875 per depositary share. These dividends were paid on September 15, 2016 and December 15, 2016, to holders of record on September 1, 2016 and December 1, 2016, respectively.

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Stock plans

12 Months Ended

Dec. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock plans

Stock plans

(a) Long Term Incentive Plan

The Company’s Amended and Restated 2005 Long Term Incentive Plan (“LTIP”) provides for grants to employees of options, stock appreciation rights (“SARs”), restricted shares, restricted share units, performance shares, dividend equivalents or other share-based awards. The total number of shares reserved for issuance under the LTIP are 2,753,292 shares of which 1,251,411 shares are remaining. The LTIP is administered by the Compensation Committee of the Board of Directors. No SARs have been granted to date. Grant prices are established at the fair market value of the Company’s common shares at the date of grant.

(i)    Options

Options may be exercised for voting common shares upon vesting. Options have a life of 10 years and vest either pro rata or at the end of the required service period from the date of grant. Fair value of the option awards at the date of grant is determined using the Black-Scholes option-pricing model.

Expected volatility is based on stock price volatility of comparable publicly-traded companies. The Company used the simplified method consistent with U.S. GAAP authoritative guidance on stock compensation expenses to estimate expected lives for options granted during the period as historical exercise data was not available and the options met the requirement as set out in the guidance.

The Company has not granted any stock option awards since September 4, 2009. These stock option awards were fully amortized during the year ended December 31, 2012.

Activity with respect to options for the year ended December 31, 2016 was as follows:

	Options		Weighted Average Grant Date Fair Value		Weighted Average Grant Date Exercise Price		Total Intrinsic Value (a)		Company Proceeds Received
Options outstanding, beginning of year	65,401		$	7.74	$	20.17
Options exercised	(39,265	)	8.37		17.96		$	1,260	$	277
Options outstanding, end of year	26,136		$	6.78	$	23.48

Activity with respect to options for the year ended December 31, 2015 was as follows:

	Options		Weighted Average Grant Date Fair Value		Weighted Average Grant Date Exercise Price		Total Intrinsic Value (a)		Company Proceeds Received
Options outstanding, beginning of year	1,160,057		$	7.12	$	17.74
Options exercised	(1,094,656	)	7.09		17.60		$	26,367	$	6,277
Options outstanding, end of year	65,401		$	7.74	$	20.17

Activity with respect to options for the year ended December 31, 2014 was as follows:

	Options		Weighted Average Grant Date Fair Value		Weighted Average Grant Date Exercise Price		Total Intrinsic Value (a)		Company Proceeds Received
Options outstanding, beginning of year	1,572,713		$	6.66	$	18.88
Options exercised	(412,656	)	5.36		22.07		$	7,459	$	9,107
Options outstanding, end of year	1,160,057		$	7.12	$	17.74

(a) The total intrinsic value in the tables above represent the amount by which the market price of the Company’s common stock is greater than the option strike price multiplied by the number of options exercised during the year.

There have been no unamortized share compensation expenses in respect of options since the year ended December 31, 2012. The aggregate intrinsic value of the options outstanding and exercisable at December 31, 2016 was $831 (December 31, 2015: $1,740).

(ii)    Restricted share awards

Restricted shares granted under the LTIP vest either pro rata or at the end of the required service period and contain certain restrictions during the vesting period, relating to, among other things, forfeiture in the event of termination of employment and transferability. Share compensation expenses of $36,887 were recorded for the year ended December 31, 2016 (2015: $35,386; 2014: $31,335). The expenses represent the proportionate accrual of the fair value of each grant based on the remaining vesting period.

Activity with respect to unvested restricted share awards for the years ended December 31, 2016, 2015 and 2014 was as follows:

	Years Ended December 31,
	2016				2015				2014
	Restricted Share Awards		Weighted Average Grant Date Fair Value		Restricted Share Awards		Weighted Average Grant Date Fair Value		Restricted Share Awards		Weighted Average Grant Date Fair Value
Restricted share awards outstanding, beginning of year	2,739,446		$	38.25	2,858,711		$	35.81	2,684,745		$	33.74
Restricted share awards granted	564,345		48.83		724,357		43.67		1,051,348		37.81
Restricted share awards vested	(796,716	)	37.40		(788,758	)	34.41		(797,446	)	31.44
Restricted share awards forfeited	(37,093	)	41.27		(54,864	)	38.14		(79,936	)	36.09
Restricted share awards outstanding, end of year	2,469,982		$	40.89	2,739,446		$	38.25	2,858,711		$	35.81

At December 31, 2016, there were $58,804 (December 31, 2015: $69,143) of total unrecognized share compensation expenses in respect of restricted share awards that are expected to be recognized over a weighted-average period of 2.3 years (December 31, 2015: 2.4 years).

(iii)    Restricted share units

Restricted share units under the LTIP vest either ratably or at the end of the required service period and contain certain restrictions during the vesting period, relating to, among other things, forfeiture in the event of termination of employment and transferability. Share compensation expenses of $1,285 were recorded for the year ended December 31, 2016 (2015: $1,160; 2014: $876). The expenses represent the proportionate accrual of the fair value of each grant based on the remaining vesting period.

Activity with respect to unvested restricted share units for the years ended December 31, 2016, 2015 and 2014 was as follows:

	Years Ended December 31,
	2016				2015				2014
	Restricted Share Units		Weighted Average Grant Date Fair Value		Restricted Share Units		Weighted Average Grant Date Fair Value		Restricted Share Units		Weighted Average Grant Date Fair Value
Restricted share units outstanding, beginning of year	114,337		$	38.47	103,484		$	36.54	66,518		$	33.74
Restricted share units granted	27,609		50.03		28,057		42.91		53,025		38.10
Restricted share units vested	(23,982	)	38.18		(19,455	)	34.58		(18,325	)	30.71
Restricted share units issued in lieu of cash dividends	3,182		39.36		3,143		37.53		2,266		35.00
Restricted share units forfeited	(8,338	)	44.34		(892	)	35.42		—		—
Restricted share units outstanding, end of year	112,808		$	40.95	114,337		$	38.47	103,484		$	36.54

At December 31, 2016, there were $2,542 (December 31, 2015: $2,790) of total unrecognized share compensation expenses in respect of restricted share units that are expected to be recognized over a weighted-average period of 2.6 years (December 31, 2015: 2.6 years).

(iv)    Performance share awards

The performance share awards contain a performance based component. The performance component relates to the compounded growth in the Dividend Adjusted Book Value per Diluted Share (“DBVPS”) over a three year period. For performance share awards granted during the period, the grant date is based on the DBVPS at the end of the most recent financial reporting year. The performance period end DBVPS will be the DBVPS three years after the grant date DBVPS. The fair value estimate earns over the requisite attribution period and the estimate will be reassessed at the end of each performance period which will reflect any adjustments in the consolidated statements of comprehensive income in the period in which they are determined.

Share compensation expenses of $4,735 were recorded for the year ended December 31, 2016 (2015: $1,795; 2014: $862). The share compensation expenses represent the proportionate accrual of the fair value of each grant based on the remaining vesting period. The negative expense is due to a reversal of expenses on unvested performance share awards based on a review of current and projected performance criteria.

Activity with respect to unvested performance share awards for the years ended December 31, 2016, 2015, and 2014 was as follows:

	Years Ended December 31,
	2016				2015				2014
	Performance Share Awards		Weighted Average Grant Date Fair Value		Performance Share Awards		Weighted Average Grant Date Fair Value		Performance Share Awards		Weighted Average Grant Date Fair Value
Performance share awards outstanding, beginning of year	172,594		$	40.70	106,369		$	36.03	101,820		$	33.56
Performance share awards granted	125,290		48.75		81,569		45.03		52,639		37.33
Performance share awards vested	(57,581	)	36.11		(15,344	)	31.38		(32,746	)	32.62
Performance share awards conversion adjustment	45,517		36.82		—		—		(15,344	)	31.38
Performance share awards outstanding, end of year	285,820		$	44.53	172,594		$	40.70	106,369		$	36.03

At December 31, 2016, there were $6,902 (December 31, 2015: $4,011) of total unrecognized share compensation expenses in respect of performance share awards that are expected to be recognized over a weighted-average period of 2.1 years (December 31, 2015: 2.1 years).

(b) Total share compensation expenses

The breakdown of share compensation expenses by award type is as follows:

	Years Ended December 31,
	2016		2015		2014
Restricted share awards	$	36,887	$	35,386	$	31,335
Restricted share units	1,285		1,160		876
Performance share awards	4,735		1,795		862
Total	$	42,907	$	38,341	$	33,073

In addition, the Company recorded $1,869 of associated tax benefits for the year ended December 31, 2016 (2015: $3,436; 2014: $1,610). The Company also recognized $1,203 of net windfall taxes during the year ended December 31, 2016 (2015: $906; 2014: $3,513) in relation to share vestings and option exercises.

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Retirement and pension plans

12 Months Ended

Dec. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Retirement and pension plans

Retirement and pension plans

(a) Defined benefit plans

Senior executives and retired selected key employees of Western World participate in non-qualified, unfunded, defined benefit plans. Benefits for these plans are based on final average earnings, social security benefits earned at retirement date and years of service.

The assumptions used to determine net periodic pension expense for the years ended December 31, 2016 and 2015 are as follows:

	Years Ended December 31,
	2016		2015
Discount rate	3.50	%	2.75	%
Increase in compensation levels rate	5.00	%	5.00	%

The assumptions used to determine benefit obligations as at December 31, 2016 and 2015 are as follows:

	December 31, 2016		December 31, 2015
Discount rate	4.00	%	4.00	%
Increase in compensation levels rate	5.00	%	5.00	%

The following tables present a reconciliation of the beginning and ending funded status and the net amounts recognized for the defined benefit plans for the years ended December 31, 2016 and 2015:

	Years Ended December 31,
	2016			2015
Change in benefit obligation
Projected benefit obligation, beginning of year	$	15,722		$	16,493
Service cost	1,026			1,024
Interest cost	594			434
Actuarial losses (gains)	1,473			(46		)
Benefit payments	(98		)	(98		)
Settlements	(1,738		)	(2,085		)
Projected benefit obligation, end of year	$	16,979		$	15,722
Change in plan assets
Fair value of plan assets, beginning of year	$	—		$	—
Employer contributions	1,836			2,186
Benefit payments	(98		)	(98		)
Settlements	(1,738		)	(2,088		)
Fair value of plan assets, end of year	—			—
Funded status at end of year	$	(16,979	)	$	(15,722	)
Net amount recognized in accounts payable and accrued expenses	$	(16,979	)	$	(15,722	)
Amounts recognized in accumulated other comprehensive loss consist of
Net loss (gain)	$	226		$	(517	)
Prior service credit	6			4
Net amount recognized	$	232		$	(513	)
	December 31, 2016			December 31, 2015
Projected benefit obligation	$	16,979		$	15,722
Accumulated benefit obligation	$	13,480		$	13,308
Fair value of plan assets	$	—		$	—

The components of net periodic pension expense for the years ended December 31, 2016 and 2015 are as follows:

	Years Ended December 31,
	2016			2015
Service cost	$	1,026		$	1,024
Interest cost	594			434
Amortization of prior service cost	(2		)	(2		)
Amortization of net loss	374			312
Net periodic benefit cost	1,992			1,768
Settlement loss	356			484
Net periodic pension expense	$	2,348		$	2,252

Other changes in plan assets and benefit obligations recognized in other comprehensive loss for the years ended December 31, 2016 and 2015 are as follows:

	Years Ended December 31,
	2016			2015
Net loss (gain)	$	1,473		$	(43	)
Amortization of loss	(374		)	(312		)
Amortization of prior service cost	2			2
Settlement loss	(356		)	(484		)
Total recognized in other comprehensive loss	$	745		$	(837	)
Total recognized in net pension expense and other comprehensive loss (before tax effects)	$	3,093		$	1,415

The estimated amount of net loss and prior service cost expected to be amortized from accumulated other comprehensive (loss) income into net periodic pension expense over the next fiscal year is $2.

The employer benefit payments/settlements for the year ended December 31, 2016 were $1,836 (2015: $2,183). As at December 31, 2016, the projected benefits are as follows:

	December 31, 2016
2017	$	2,740
2018	7,072
2019	92
2020	2,665
2021	83
2022-2026	5,449
Total benefit payments required	$	18,101

(b) Other pension plans

The Company provides pension benefits to eligible employees through various plans which are managed externally and sponsored by the Company. The Company’s contributions are expensed as incurred. The Company’s expenses for its defined contribution retirement plans for the years ended December 31, 2016, 2015 and 2014 were $13,419, $13,684 and $10,606, respectively.

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Debt and financing arrangements

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Debt and financing arrangements

Debt and financing arrangements

The Company’s financing structure consists of debentures and senior notes payable along with credit and other facilities.

The Company’s outstanding debentures and senior notes payable as at December 31, 2016 and 2015 were as follows:

	December 31, 2016			December 31, 2015
Deferrable debentures
2006 Junior Subordinated	$	150,000		$	150,000
2007 Junior Subordinated	139,800			139,800
Flagstone 2006 Junior Subordinated	133,676			134,118
Flagstone 2007 Junior Subordinated	113,750			113,750
Total debentures payable	537,226			537,668
2010 Senior notes payable	250,000			250,000
Less: Unamortized debt issuance costs	(4,638		)	(4,839		)
Total senior notes payable	245,362			245,161
Total debentures and senior notes payable	$	782,588		$	782,829

The Company’s outstanding credit and other facilities as at December 31, 2016 and 2015 were as follows:

	December 31, 2016				December 31, 2015
	Commitment		Drawn and outstanding		Commitment		Drawn and outstanding
Credit and other facilities
$85,000 syndicated unsecured letter of credit facility	$	85,000	$	—	$	85,000	$	—
$300,000 syndicated secured letter of credit facility	300,000		90,252		300,000		235,540
$24,000 secured bi-lateral letter of credit facility	24,000		4,553		24,000		10,543
$20,000 AlphaCat Re secured letter of credit facility	20,000		20,000		30,000		30,000
$25,000 IPC bi-lateral facility	25,000		5,842		25,000		9,241
$236,000 Flagstone bi-lateral facility	236,000		144,392		236,000		193,764
Total credit and other facilities	$	690,000	$	265,039	$	700,000	$	479,088

(a) Senior notes and junior subordinated deferrable debentures

The following table summarizes the key terms of the Company’s senior notes and junior subordinated deferrable debentures:

Description	Issuance date	Amount		Maturity date	Interest Rate as at						Interest payments due
					Issuance Date			December 31, 2016
2006 Junior Subordinated Deferrable Debentures	June 15, 2006	$	150,000	June 15, 2036	9.069	%	(a)	5.831	%	(e)	Quarterly
Flagstone 2006 Junior Subordinated Deferrable Debentures	August 23, 2006	$	133,676	September 15, 2036	3.540	%	(b)	6.463	%	(e)	Quarterly
2007 Junior Subordinated Deferrable Debentures	June 21, 2007	$	200,000	June 15, 2037	8.480	%	(c)	5.180	%	(e)	Quarterly
Flagstone 2007 Junior Subordinated Deferrable Debentures	June 8, 2007	$	88,750	July 30, 2037	3.000	%	(b)	5.900	%	(e)	Quarterly
Flagstone 2007 Junior Subordinated Deferrable Debentures	September 20, 2007	$	25,000	September 15, 2037	3.100	%	(b)	5.983	%	(e)	Quarterly
2010 Senior Notes due 2040	January 26, 2010	$	250,000	January 26, 2040	8.875	%	(d)	8.875	%	(d)	Semi-annually in arrears

(a) Fixed interest rate for 5 years, floating interest rate of three-month LIBOR plus 3.550% thereafter, reset quarterly.

(b) Floating interest rate of three-month LIBOR plus amount stated, reset quarterly.

(c) Fixed interest rate for 5 years, floating interest rate of three-month LIBOR plus 2.950% thereafter, reset quarterly.

(d) Fixed interest rate.

(e) Fixed interest rate as a result of interest rate swap contracts entered into by the Company.

Senior Notes

The 2010 Senior Notes due 2040 (the “2010 Senior Notes”) were part of a registered public offering and mature on January 26, 2040. The Company may redeem the notes, in whole at any time, or in part from time to time, at the Company’s option on not less than 30 nor more than 60 days’ notice, at a make-whole redemption price as described in “Description of the Notes - Optional Redemption” in the 2010 Senior Notes prospectus supplement. In addition, the Company may redeem the notes, in whole, but not in part, at any time upon the occurrence of certain tax events as described in “Description of the Notes - Redemption for Tax Purposes” in the prospectus supplement.

Debt issuance costs are amortized to income over the life of the 2010 Senior Notes and are presented on a net basis within the senior notes payable balance in the Company’s Consolidated Balance Sheets. There were no redemptions made during the year endedDecember 31, 2016 and 2015.

The 2010 Senior Notes are unsecured and unsubordinated obligations of the Company and rank equally in right of payment with all of the Company’s existing and future unsecured and unsubordinated indebtedness. The 2010 Senior Notes will be effectively junior to all of the Company’s future secured debt, to the extent of the value of the collateral securing such debt, and will rank senior to all our existing and future subordinated debt. The 2010 Senior Notes are structurally subordinated to all obligations of the Company’s subsidiaries.

Future payments of principal of $250,000 on the 2010 Senior Notes are all expected to be after 2021.

Junior subordinated deferrable debentures

The Company participated in private placements of junior subordinated deferrable interest debentures due 2036 and 2037 (respectively, the “2006 Junior Subordinated Deferrable Debentures” and “2007 Junior Subordinated Deferrable Debentures”).

Debt issuance costs for the 2006 and 2007 Junior Subordinated Deferrable Debentures were amortized to income over the five year optional redemption periods. They are redeemable at the Company’s option at par. There were no redemptions made during the year endedDecember 31, 2016 and 2015.

As part of the acquisition of Flagstone, the Company assumed junior subordinated deferrable debentures due 2036 and 2037 (respectively, the “Flagstone 2006 Junior Subordinated Deferrable Debentures” and “Flagstone 2007 Junior Subordinated Deferrable Debentures”). These debentures are redeemable quarterly at par. There were no redemptions made during the year endedDecember 31, 2016 and 2015.

Future payments of principal of $537,226 on the debentures discussed above are all expected to be after 2021.

(b) Credit facilities

(i)    $85,000 syndicated unsecured letter of credit facility and $300,000 syndicated secured letter of credit facility

On December 9, 2015, the Company entered into a $85,000five year unsecured facility with various counterparties as co-documentation agents and the lenders party thereto, which provides for letter of credit (“LOC”) and revolving credit availability for the Company (the “Five Year Unsecured Facility”) (the full $85,000 of which is available for LOC’s and/or revolving loans). The Five Year Unsecured Facility was provided by a syndicate of commercial banks. LOC’s under the Five Year Unsecured Facility are available to support obligations in connection with the reinsurance business of the Company and its subsidiaries. Loans under the Five Year Unsecured Facility are available for the general corporate and working capital purposes of the Company. The Company may request that existing lenders under the Five Year Unsecured Facility or prospective additional lenders agree to make available additional commitments from time to time so long as the aggregate commitments under the Five Year Unsecured Facility do not exceed $150,000.

Also on December 9, 2015, the Company entered into a $300,000five year secured credit facility, with the same parties, which provides for LOC availability for the Company (the “Five Year Secured Facility” and together with the Five Year Unsecured Facility, the “Credit Facilities”). The Five Year Secured Facility was also provided by a syndicate of commercial banks. LOC’s under the Five Year Secured Facility will be available to support obligations in connection with the reinsurance business of the Company and its subsidiaries. The Company may request that existing lenders under the Five Year Secured Facility or prospective additional lenders agree to make available additional commitments from time to time so long as the aggregate commitments under the Five Year Secured Facility do not exceed $400,000. The obligations of the Company under the Five Year Secured Facility are secured by cash and securities deposited into cash collateral accounts from time to time with The Bank of New York Mellon.

As of December 31, 2016, there was $nil (December 31, 2015: $nil) of outstanding LOC’s under the Five Year Unsecured Facility and $90,252 (December 31, 2015: $235,540) of outstanding LOC’s under the Five Year Secured Facility.

The Credit Facilities contain covenants that include, among other things (i) the requirement that the Company initially maintain a minimum level of consolidated net worth of at least $2,600,000 and, commencing with the end of the fiscal quarter ending June 30, 2015, to be increased quarterly by an amount equal to 25.0% of the Company’s consolidated net income (if positive) for such quarter plus 50.0% of the aggregate increases in the consolidated shareholders’ equity of the Company during such fiscal quarter by reason of the issuance and sale of common equity interests of the Company, including upon any conversion of debt securities of the Company into such equity interests, (ii) the requirement that the Company maintain at all times a consolidated total debt to consolidated total capital ratio not greater than 0.35:1.00, and (iii) the requirement that Validus Reinsurance, Ltd. and any other material insurance subsidiaries maintain a financial strength rating by A.M. Best of not less than “B++” (Fair). In addition, the Credit Facilities contain customary negative covenants applicable to the Company, including limitations on the ability to pay dividends and other payments in respect of equity interests at any time that the Company is otherwise in default with respect to certain provisions under the respective Credit Facilities, limitations on the ability to incur liens, sell assets, merge or consolidate with others, enter into transactions with affiliates, and limitations on the ability of its subsidiaries to incur indebtedness. The Credit Facilities also contain customary affirmative covenants, representations and warranties and events of default for credit facilities of its type. As of December 31, 2016, and throughout the reporting periods presented, the Company was in compliance with all covenants and restrictions under the Credit Facilities.

(ii)    $25,000 IPC bi-lateral facility

The Company assumed an existing evergreen LOC facility through the acquisition of IPC Holdings, Ltd. (the “IPC bi-lateral facility”). As of December 31, 2016, there were $5,842 of outstanding LOC’s issued under the IPC bi-lateral facility (December 31, 2015: $9,241). As of December 31, 2016, and throughout the reporting periods presented, the Company was in compliance with all covenants and restrictions under the IPC bi-lateral facility.

(iii)    $24,000 secured bi-lateral letter of credit facility

The Company is party to an evergreen secured bi-lateral LOC facility with Citibank Europe plc (the “Secured bi-lateral LOC facility”). As of December 31, 2016, $4,553 (December 31, 2015: $10,543) of LOC’s were outstanding under the Secured bi-lateral LOC facility. The Secured bi-lateral LOC facility has no fixed termination date and as of December 31, 2016, and throughout the reporting periods presented, the Company was in compliance with all covenants and restrictions under the Secured bi-lateral LOC facility.

(iv)    $20,000 AlphaCat Re secured letter of credit facility

During 2013, AlphaCat Re entered into a secured evergreen LOC facility with Comerica Bank. This facility provided for LOC’s issued by AlphaCat Re to be used to support its reinsurance obligations. During the second quarter of 2016 the available amount under this facility was reduced to $20,000 from $30,000. As of December 31, 2016, $20,000 (December 31, 2015: $30,000) of LOC’s were outstanding under this facility. As of December 31, 2016, and throughout the reporting periods presented, AlphaCat Re was in compliance with all covenants and restrictions under the AlphaCat Re secured LOC facility.

(v)    $236,000 Flagstone bi-lateral facility

As part of the acquisition of Flagstone, the Company assumed an evergreen LOC Master Agreement between Citibank Europe plc and Flagstone Reassurance Suisse, S.A. (the “Flagstone Bi-Lateral Facility”). As of December 31, 2016, the Flagstone Bi-Lateral Facility had $144,392 (December 31, 2015: $193,764) of LOC’s issued and outstanding. As of December 31, 2016, and throughout the reporting periods presented, the Company was in compliance with all covenants and restrictions under the Flagstone Bi-Lateral Facility.

(vi)    Investments and cash pledged as collateral

The Company has pledged investments and cash as collateral under the Company’s credit facilities in the total amount of $442,184 (December 31, 2015: $826,535) as detailed in the table below:

	December 31, 2016		December 31, 2015
$300,000 syndicated secured letter of credit facility	$	157,597	$	370,909
$24,000 secured bi-lateral letter of credit facility	48,097		47,607
$20,000 AlphaCat Re secured letter of credit facility	20,032		30,153
$236,000 Flagstone bi-lateral facility	216,458		377,866
Total	$	442,184	$	826,535

(c) Finance expenses

Finance expenses consist of interest on the junior subordinated deferrable debentures and senior notes, the amortization of debt offering costs, credit facility fees, bank charges, Talbot Funds at Lloyds (“FAL”) facility costs, AlphaCat financing fees and other charges as follows:

	Years Ended December 31,
	2016		2015		2014
2006 Junior Subordinated Deferrable Debentures	$	8,893	$	8,868	$	8,868
2007 Junior Subordinated Deferrable Debentures	7,362		7,341		7,341
Flagstone 2006 Junior Subordinated Deferrable Debentures	9,028		8,989		9,001
Flagstone 2007 Junior Subordinated Deferrable Debentures	7,100		7,123		7,129
2010 Senior Notes due 2040	22,388		22,388		22,388
Credit facilities	2,060		6,006		5,516
Bank charges, Talbot FAL facility and other charges (a)	504		4,592		4,536
AlphaCat fees (b)	1,185		9,435		3,545
Total finance expenses	$	58,520	$	74,742	$	68,324

(a) On November 30, 2015, the Company terminated its Talbot FAL Facility provided and arranged by Lloyds Bank plc and ING Bank N.V., London Branch.

(b) Includes finance expenses incurred by AlphaCat Managers in relation to fund raising for the AlphaCat sidecars, the AlphaCat ILS funds and AlphaCat direct.

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Income taxes

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Income taxes

Income taxes

The Company provides for income taxes based upon amounts reported in the financial statements and the provisions of currently enacted tax laws. The Company is registered in Bermuda and is subject to Bermuda law with respect to taxation. Under current Bermuda law, the Company is not taxed on any Bermuda income or capital gains and has received an undertaking from the Bermuda Minister of Finance that, in the event of any Bermuda income or capital gains taxes being imposed, the Company will be exempt from such taxes until March 31, 2035.

The Company has subsidiaries and branches with operations in several jurisdictions outside Bermuda, including but not limited to the U.K., U.S., Switzerland and Canada that are subject to relevant taxes in those jurisdictions. Within Note 26, “Segment information,” gross premiums written are allocated to the territory of coverage exposure and therefore do not correlate to pre-tax income generated in any of the territories identified.

The Company’s income (loss) before income taxes for the years ended December 31, 2016, 2015 and 2014 was generated in the following domestic and foreign jurisdictions:

	Years Ended December 31,
	2016			2015			2014
Domestic
Bermuda	$	447,257		$	470,454		$	518,476
Foreign
U.K.	4,308			13,621			10,824
U.S.	4,038			(4,176		)	(11,752		)
Switzerland	(1,084		)	2,276			9,941
Canada	2,599			493			2,773
Other	33,736			(2,074		)	29,076
Total income before income taxes	$	490,854		$	480,594		$	559,338

Income tax (benefit) expense is comprised of both current and deferred tax attributable to U.S. and Non-U.S. jurisdictions as follows:

	Years Ended December 31,
	2016			2015			2014
Current income tax expense
U.S.	$	2,042		$	739		$	21,257
Non-U.S.	711			6,028			26,179
Total current income tax expense	$	2,753		$	6,767		$	47,436
Deferred income tax (benefit) expense
U.S.	$	(3,487	)	$	1,360		$	(24,998	)
Non-U.S.	(18,995		)	(1,751		)	(22,283		)
Total deferred income tax benefit	$	(22,482	)	$	(391	)	$	(47,281	)
Total income tax (benefit) expense
U.S.	$	(1,445	)	$	2,099		$	(3,741	)
Non-U.S.	(18,284		)	4,277			3,896
Total income tax (benefit) expense	$	(19,729	)	$	6,376		$	155

The table below is a reconciliation of the actual income tax (benefit) expense for the years ended December 31, 2016, 2015 and 2014 to the amount computed by applying the effective tax rate of 0% under Bermuda law to income before taxes:

	Years Ended December 31,
	2016			2015			2014
Expected tax expense at Bermuda statutory rate of 0%	$	—		$	—		$	—
Foreign tax rate differential	11,394			6,462			7,993
Changes in valuation allowance	(36,990		)	9,830			(7,284		)
Tax exempt income and expenses not deductible	(1,960		)	393			(6,055		)
Share compensation tax windfall	1,203			906			3,513
Impact of enacted changes in tax rates	8,931			69			250
Prior years tax adjustments	(5,199		)	(12,272		)	666
Other	2,892			988			1,072
Actual income tax (benefit) expense	$	(19,729	)	$	6,376		$	155

Deferred tax assets and liabilities primarily represent the tax effect of temporary differences between the carrying value of assets and liabilities for financial statement purposes and such values as measured by tax laws and regulations in countries in which the operations are taxable. Deferred tax assets may also represent the tax effect of tax losses carried forward.

In assessing whether a deferred tax asset can be recovered and assessing the need for a valuation allowance, the Company considers all positive and negative evidence to determine whether it is more-likely-than-not that the tax benefit of part or all of a deferred tax asset will be realized. The Company’s framework for assessing the recoverability of deferred tax assets primarily considers taxable income in prior carryback years when permitted by law, future reversal of existing taxable temporary differences, available tax planning strategies and the expected occurrence of future taxable income. The weighting of the positive and negative evidence is commensurate with the extent to which they can be objectively verified.

Significant components of the Company’s deferred tax assets and liabilities as at December 31, 2016 and 2015 were as follows:

	December 31, 2016			December 31, 2015
Deferred tax asset
Tax losses carried forward	$	116,416		$	167,929
Deferred compensation	6,915			7,504
Deferred interest expense	2,039			2,047
Tax credits carried forward	5,469			2,761
Discounting of loss reserves	9,938			11,882
Unearned premiums reserve	6,647			4,291
Pension	5,943			5,503
Lloyd’s underwriting loss deductible in future periods	581			47
Other	4,943			4,111
Deferred tax asset, gross of valuation allowance	158,891			206,075
Valuation allowance	(98,065		)	(167,929		)
Net deferred tax asset	$	60,826		$	38,146
Deferred tax liability
Deferred acquisition costs	4,633			1,989
Intangibles	7,583			8,111
Unrealized appreciation on investments	3,179			7,073
Properties and fixed assets	2,593			2,044
Other	2,640			1,115
Deferred tax liability	20,628			20,332
Net deferred tax asset	$	40,198		$	17,814

The movement in deferred tax asset on tax losses carried forward and related valuation allowance from December 31, 2015 to December 31, 2016 can be explained as follows:

	Deferred Tax Asset on Tax Losses Carried Forward			Valuation Allowance
Balance as at December 31, 2015	$	167,929		$	(167,929	)
Movement due to use of tax losses carried forward	(10,990		)	10,990
Movement due to provision to return adjustments	1,108			(1,108		)
Movement due to changes in enacted tax rates	(8,757		)	8,757
Movement due to change in assessment of deferred tax asset recoverability	—			18,351
Forfeiture of tax losses carried forward	(32,927		)	32,927
Other	53			(53		)
Balance as at December 31, 2016	$	116,416		$	(98,065	)

The movement of $10,990 represents the tax benefit from the use of tax losses carried forward where a full valuation allowance was provided (Luxembourg: $6,722; U.S.: $3,066; and Singapore: $1,202). The movement of $1,108 represents prior year adjustments reflecting tax losses carried forward as per tax returns filed. The movement of $8,757 reflects the impact of enacted changes in income tax rates under Luxembourg law. The change in valuation allowance of $18,351 is due to the partial release of a valuation allowance which had previously been applied against a deferred tax asset related to carried forward Luxembourg tax losses acquired as part of the Flagstone acquisition. As of December 31, 2016, the Company believes, after review of all available positive and negative evidence, that it is more-likely-than-not to have sufficient future taxable income to realize a portion of that deferred tax asset. As such, the Company has recorded a partial release of the previously held valuation allowance resulting in a current year tax benefit. The tax effect from forfeiture of tax losses carried forward of $32,927 primarily results from $18,438 related to the closure of certain Luxembourg operations and $14,489 attributable to the reduction of Swiss tax losses associated with the application of non-taxable income of Validus Re Swiss’ Bermuda Branch in accordance with Swiss law.

As at December 31, 2016, the Company had net operating and capital losses carried forward, inclusive of cumulative currency translation adjustments, as follows:

Tax Jurisdiction	Losses carried forward		Tax effect		Expiration
U.S.	$	11,195	$	3,918	2029 - 2035
Switzerland	$	157,512	$	33,078	2018 - 2020
Luxembourg	$	300,121	$	78,310	None
Singapore	$	11,090	$	1,109	None

The valuation allowance as at December 31, 2016 of $98,065 (2015: $167,929) relates to tax losses carried forward of subsidiaries primarily in Luxembourg, Switzerland, Singapore and the U.S. The Company believes it is necessary to maintain a full valuation allowance against the deferred tax assets related to tax losses carried forward in Switzerland, Singapore and the U.S. after review of all available positive and negative evidence, including uncertainty regarding the ability of the concerned operations to generate future taxable income to utilize the losses carried forward and realize the deferred tax assets. The weighting of the positive and negative evidence is commensurate with the extent to which they can be objectively verified.

As mentioned above, a partial release of $18,351 of the valuation allowance previously held against a deferred tax asset related to tax losses carried forward in Luxembourg was recorded as of December 31, 2016. The Company believes, after review of all positive and negative evidence, it is now more-likely-than-not to have sufficient future taxable income to realize a portion of that deferred tax asset.

The Company will continue to monitor all available positive and negative evidence, including its expectations for future taxable income in the relevant jurisdictions, in relation to the recoverability of its existing deferred tax balances. If the Company’s positive evidence continues to develop favorably in the foreseeable future, it is possible that further releases of the valuation allowances related to deferred tax asset balances will occur.

As at December 31, 2016 and 2015, the Company had no accrued liabilities for tax, interest and penalties relating to uncertain tax positions. Interest and penalties related to uncertain tax positions would be recognized in income tax expense.

The Company has undistributed earnings in several foreign subsidiaries. If such earnings were to be distributed, as dividends or otherwise, they may be subject to income and withholding taxes. As a general rule, the Company intends to only distribute earnings that can be distributed in a tax free manner and indefinitely reinvest any other earnings. Determination of the amount of unrecognized deferred tax liability related to these earnings is currently not practicable due to the different possible methods for repatriating earnings.

As at December 31, 2016, the Company had no open examinations by local tax authorities. The Company has open tax years that are potentially subject to examinations by local tax authorities in the following major tax jurisdictions: the U.K., 2015 and 2016; the U.S., 2013 to 2016; Switzerland, 2012 to 2016; and Canada, 2012 to 2016.

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Accumulated other comprehensive loss

12 Months Ended

Dec. 31, 2016

Accumulated Other Comprehensive Income (Loss) [Abstract]

Accumulated other comprehensive loss

Accumulated other comprehensive (loss) gain

The changes in accumulated other comprehensive (loss) gain, by component for the years ended December 31, 2016, 2015 and 2014 are as follows:

	Year Ended December 31, 2016
	Foreign currency translation adjustment			Minimum pension liability			Cash flow hedge			Total
Balance, net of tax, beginning of year	$	(11,834	)	$	334		$	(1,069	)	$	(12,569	)
Other comprehensive (loss) gain, net of tax	(10,440		)	(484		)	277			(10,647		)
Balance, net of tax, end of year	$	(22,274	)	$	(150	)	$	(792	)	$	(23,216	)
	Year Ended December 31, 2015
	Foreign currency translation adjustment			Minimum pension liability			Cash flow hedge			Total
Balance, net of tax, beginning of year	$	(8,118	)	$	(210	)	$	(228	)	$	(8,556	)
Other comprehensive (loss) gain, net of tax	(3,716		)	544			(841		)	(4,013		)
Balance, net of tax, end of year	$	(11,834	)	$	334		$	(1,069	)	$	(12,569	)
	Year Ended December 31, 2014
	Foreign currency translation adjustment			Minimum pension liability			Cash flow hedge			Total
Balance, net of tax, beginning of year	$	(617	)	$	—		$	—		$	(617	)
Other comprehensive loss, net of tax	(7,501		)	(210		)	(228		)	(7,939		)
Balance, net of tax, end of year	$	(8,118	)	$	(210	)	$	(228	)	$	(8,556	)

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Commitments and contingencies

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Commitments and contingencies

Commitments and contingencies

(a) Concentrations of credit risk

The Company underwrites a significant amount of its reinsurance business through three particular brokers as set out below. There is credit risk associated with payments of insurance and reinsurance balances to the Company if these brokers are unable to fulfill their contractual obligations. These companies are large, well established, and there are no indications they are financially distressed. There was no other broker or party insured or reinsured that accounted for more than 10% of gross premiums written for the periods mentioned.

The following table shows the percentage of gross premiums written by broker for the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
	2016		2015		2014
Marsh & McLennan Companies, Inc.	28.8	%	28.2	%	28.5	%
Aon Benfield Group Ltd.	16.2	%	15.5	%	20.0	%
Willis Towers Watson plc	14.1	%	14.3	%	18.0	%

(b) Employment agreements

The Company has entered into employment agreements with certain individuals that provide for executive benefits and severance payments under certain circumstances.

(c) Operating leases

The Company leases office space and office equipment under operating leases. Total rent expense with respect to these operating leases for the year ended December 31, 2016 was approximately $9,761 (2015: $10,143, 2014: $10,540). Future minimum lease commitments are as follows:

	December 31, 2016
2017	$	11,878
2018	12,214
2019	11,958
2020	11,059
2021	10,316
2022 and thereafter	46,418
Total	$	103,843

(d) Funds at Lloyd’s

Talbot operates in Lloyd’s through a corporate member, Talbot 2002 Underwriting Capital Ltd (“T02”), which is the sole participant in Syndicate 1183. Lloyd’s sets T02’s required capital annually based on Syndicate 1183’s business plan, rating environment and reserving environment together with input arising from Lloyd’s discussions with, inter alia, regulatory and rating agencies. Such capital, called Funds at Lloyd’s (“FAL”), comprises cash and investments. The Company provided FAL in the amount of $583,600 for the 2017 underwriting year (2016: $617,000).

The amounts which are provided as FAL are not available for distribution to the Company for the payment of dividends. Talbot’s corporate member may also be required to maintain funds under the control of Lloyd’s in excess of its capital requirement and such funds also may not be available for distribution to the Company for the payment of dividends.

(e) Lloyd’s Central Fund

Whenever a member of Lloyd’s is unable to pay its debts to policyholders, such debts may be payable by the Lloyd’s Central Fund. If Lloyd’s determines that the Central Fund needs to be increased, it has the power to assess premium levies on current Lloyd’s members up to 3% of a member’s underwriting capacity in any one year. The Company does not believe that any assessment is likely in the foreseeable future and has not provided any allowance for such an assessment. However, based on the Company’s 2017 estimated premium income at Lloyd’s of £600,000, at December 31, 2016 exchange rate of £1 equals $1.23 and assuming the maximum 3% assessment, the Company would be assessed approximately $22,140.

(f) Investment affiliate commitments

As discussed in Note 7, “Investments,” on December 20, 2011 the Company entered into an Assignment and Assumption Agreement with Aquiline Capital Partners LLC, pursuant to which it assumed total capital commitments of $50,000. The Company’s remaining commitment at December 31, 2016 was $1,700 (December 31, 2015: $3,413).

On October 2, 2014, the Company assumed an additional investment in Aquiline Capital Partners II GP (Offshore) Ltd. as part of the Western World acquisition representing a total capital commitment of $10,000. The Company’s remaining capital commitment at December 31, 2016 was $340 (December 31, 2015: $683).

On November 7, 2014, the Company entered into a Subscription Agreement with Aquiline Capital Partners III GP (Offshore) Ltd., pursuant to which it assumed total capital commitments of $100,000 in respect of Limited Partnership Interests in Aquiline Financial Services Fund III L.P. (the “Fund”). The Company’s remaining commitment at December 31, 2016 was $62,031 (December 31, 2015: $86,110).

(g) AlphaCat commitments

On December 29, 2014, the Company entered into an agreement with an AlphaCat ILS fund pursuant to which it assumed total capital commitments of $20,000. On December 29, 2015, the Company assumed an additional capital commitment of $20,000. The Company’s remaining unfunded capital commitment at December 31, 2016 was $nil (December 31, 2015: $10,000).

On December 30, 2015, the Company entered into an agreement with another AlphaCat ILS fund pursuant to which it assumed total capital commitments of $25,000. The Company’s remaining unfunded capital commitment at December 31, 2016 was $nil (December 31, 2015: $9,536). On December 30, 2016, a portion of the Company’s initial investment was returned and the Company assumed an additional capital commitment of $25,000. The Company’s remaining unfunded capital commitment on the additional investment at December 31, 2016 was $10,000.

(h) Fixed maturity commitments

At December 31, 2016, the Company had an outstanding commitment to participate in certain secured loan facilities through participation agreements with an established loan originator. The undrawn amount under the revolver facility participations as at December 31, 2016 was $28,499 (December 31, 2015: $34,888).

(i) Other investment commitments

At December 31, 2016, the Company had capital commitments in certain other investments of $308,000 (December 31, 2015: $263,000). The Company’s remaining unfunded capital commitment to these investments at December 31, 2016 was $156,134 (December 31, 2015: $185,548).

(j) Structured settlements

As at December 31, 2016, the Company is contingently liable for the present value of amounts not yet due under annuities purchased by Western World where the claimant is the payee for the amount of $3,186 (December 31, 2015: $3,108).

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Related party transactions

12 Months Ended

Dec. 31, 2016

Related Party Transactions [Abstract]

Related party transactions

Related party transactions

The transactions listed below are classified as related party transactions as principals and/or directors of each counterparty are members of the Company’s board of directors.

(a) Aquiline Capital Partners LLC (“Aquiline Capital”)

Group Ark Insurance

Pursuant to reinsurance agreements with a subsidiary of Group Ark Insurance Holdings Ltd. (“Group Ark”), the Company recognized gross premiums written during the year endedDecember 31, 2016 of $3,157 (2015: $2,718; 2014: $2,073) with $292 included in premiums receivable at December 31, 2016 (December 31, 2015: $82). The Company also recognized reinsurance premiums ceded during the year endedDecember 31, 2016 of $40 (2015: $24; 2014: $126) and had reinsurance balances payable of $nil at December 31, 2016 (December 31, 2015: $4). The Company recorded $798 of loss reserves recoverable at December 31, 2016 (December 31, 2015: $790) and earned premium adjustments of $3,115 were recorded during the year endedDecember 31, 2016 (2015: $2,833; 2014: $1,982).

Until July 2016, Aquiline Capital were shareholders of Group Ark. Christopher E. Watson, a director of the Company and senior principal of Aquiline Capital, serves as a director of Group Ark.

Wellington

Pursuant to reinsurance agreements with a subsidiary of Wellington Insurance Company (“Wellington”), the Company recognized gross premiums written during the year endedDecember 31, 2016 of $2,860 (2015 and 2014: $nil) with $666 included in premiums receivable at December 31, 2016 (December 31, 2015: $nil). The Company also recognized earned premium adjustments during the year endedDecember 31, 2016 of $2,603 (2015 and 2014: $nil). Aquiline Capital are shareholders of Wellington and Christopher E. Watson, a director of the Company and senior principal of Aquiline Capital, serves as a director of Wellington.

Conning

On November 24, 2009, the Company entered into an Investment Management Agreement with Conning, Inc. (“Conning”) to manage a portion of the Company’s investment portfolio. Aquiline Capital acquired Conning on June 16, 2009. Jeffrey W. Greenberg, a director of the Company, serves as a director of Conning Holdings Corp., the parent company of Conning. During the third quarter of 2015, Aquiline Capital disposed of its investment in Conning resulting in it no longer being a related party with effect from September 30, 2015. Investment management fees earned by Conning for the years endedDecember 31, 2015 and 2014 were $841 and $1,125, respectively.

Aquiline II

On December 20, 2011, the Company entered into an Agreement with Aquiline Capital and Aquiline II General Partner pursuant to which the Company has assumed 100% of Aquiline Capital’s interest in the Aquiline II Partnership representing a total capital commitment of $50,000 (the “Aquiline II Commitment”), as a limited partner in the Partnership (the “Transferred Interest”). On October 2, 2014, the Company assumed an additional investment in the Aquiline II Partnership as part of the Western World acquisition representing a total capital commitment of $10,000. Messrs. Greenberg and Watson, directors of the Company, serve as managing principal and senior principal, respectively, of Aquiline Capital.

For the year endedDecember 31, 2016, the Company incurred partnership fees of $843 (2015: $1,519; 2014: $410) and, for the years endedDecember 31, 2016, 2015 and 2014, had net capital (distributions) contributions of ($9,032), $6,093 and $12,468, respectively.

Aquiline III

On November 7, 2014, the Company entered into a Subscription Agreement with the Aquiline III General Partner pursuant to which the Company committed and agreed to purchase limited partnership or other comparable limited liability equity interests (the “Limited Partnership Interests”) in the “Aquiline III Partnership, and/or one or more Alternative Investment Vehicles and Intermediate Entities (together with the Aquiline III Partnership, the “Fund” or the “Entities”) with a capital commitment (the “Aquiline III Commitment”) in an amount equal to $100,000, as a limited partner in the Aquiline III Partnership.

For the year endedDecember 31, 2016, the Company incurred partnership fees of $2,031 (2015: $1,814; 2014: $nil) and, for the years endedDecember 31, 2016, 2015 and 2014, made net capital contributions of $23,873 and $13,793 and $nil, respectively.

(b)    Other

Certain shareholders of the Company and their affiliates, as well as employees of entities associated with directors and officers may have purchased insurance and/or reinsurance from the Company in the ordinary course of business. The Company does not believe these transactions to be material.

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Earnings per share

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Earnings per share

Earnings per share

The following table sets forth the computation of basic earnings per share and earnings per diluted share available to common shareholders for the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
	2016		2015			2014
Basic earnings per share
Net income available to Validus common shareholders	$	359,384	$	374,893		$	479,963
Less: Dividends on outstanding warrants	—		(3,566		)	(6,208		)
Net income allocated to Validus common shareholders	$	359,384	$	371,327		$	473,755
Weighted average number of common shares outstanding	81,041,974		83,107,236			90,354,745
Basic earnings per share available to Validus common shareholders	$	4.43	$	4.47		$	5.24
Earnings per diluted share
Net income available to Validus common shareholders	$	359,384	$	374,893		$	479,963
Less: Dividends on outstanding warrants	—		—			—
Net income allocated to Validus common shareholders	$	359,384	$	374,893		$	479,963
Weighted average number of common shares outstanding	81,041,974		83,107,236			90,354,745
Share equivalents:
Warrants	—		2,090,248			2,789,032
Stock options	28,196		151,867			745,561
Unvested restricted shares	1,289,290		1,077,409			800,933
Weighted average number of diluted common shares outstanding	82,359,460		86,426,760			94,690,271
Earnings per diluted share available to Validus common shareholders	$	4.36	$	4.34		$	5.07

Share equivalents that would result in the issuance of common shares of 133,810, 167,417 and 199,740 were outstanding for the years ended December 31, 2016, 2015 and 2014, respectively but were not included in the computation of earnings per diluted share because the effect would be antidilutive.

XML

Segment information

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Segment information

Segment information

The Company conducts its operations worldwide through four operating segments, which have been determined under ASC Topic 280 “Segment Reporting” to be Validus Re, Talbot, Western World and AlphaCat. The Company’s operating segments are strategic business units that offer different products and services. They are managed and have capital allocated separately because each segment undertakes different strategies.

A description of each of the Company’s operating segments and its corporate and investments function is as follows:

Validus Re Segment

The Validus Re segment is focused primarily on treaty reinsurance. The primary lines in which the segment conducts business are property, marine and specialty which includes agriculture, aerospace and aviation, financial lines of business, nuclear, terrorism, life, accident & health, workers’ compensation, crisis management, contingency, technical lines, composite, trade credit and casualty.

Talbot Segment

The Talbot segment is focused on a wide range of marine and energy, political lines, commercial property, financial lines, contingency, accident & health and aviation classes of business on an insurance or facultative reinsurance basis and principally property, aerospace and marine classes of business on a treaty reinsurance basis.

Western World Segment

The Western World segment is focused on providing commercial insurance products on a surplus lines and specialty admitted basis. Western World specializes in underwriting classes of business that are not easily placed in the standard insurance market due to their complexity, high hazard, or unusual nature; including general liability, property and professional liability classes of business.

AlphaCat Segment

The AlphaCat segment leverages the Company’s underwriting and analytical expertise and earns management and performance fees from the Company and other third party investors primarily through the AlphaCat ILS funds and sidecars.

Corporate and Investments

The Company has a corporate and investments function (“Corporate and Investments”), which includes the activities of the parent company, and which carries out certain functions for the group, including investment management. Corporate and Investments includes investment income on a managed basis and other non-segment expenses, predominantly general and administrative, stock compensation and finance expenses. Corporate and Investments also denotes the activities of certain key executives such as the Chief Executive Officer and Chief Financial Officer. For internal reporting purposes, Corporate and Investments is reflected separately; however, it is not considered an operating segment under these circumstances. Other reconciling items include, but are not limited to, the elimination of certain inter segment revenues and expenses and other items that are not allocated to the operating segments.

Underwriting income and the AlphaCat asset manager view are non-GAAP financial measures. A reconciliation of segmental income to net income available to Validus is included in the tables below.

The following tables summarize the results of our operating segments and “Corporate and Investments”:

	Years Ended December 31,
Validus Re Segment Information	2016			2015			2014
Underwriting revenues
Gross premiums written	$	1,111,054		$	1,126,759		$	1,118,532
Reinsurance premiums ceded	(111,564		)	(149,088		)	(163,678		)
Net premiums written	999,490			977,671			954,854
Change in unearned premiums	(55,545		)	12,542			(37,570		)
Net premiums earned	943,945			990,213			917,284
Other insurance related (loss) income	(55		)	3,575			3,159
Total underwriting revenues	943,890			993,788			920,443
Underwriting deductions
Losses and loss expenses	411,488			457,976			307,290
Policy acquisition costs	181,040			166,387			141,670
General and administrative expenses	72,770			78,428			74,739
Share compensation expenses	11,034			10,350			9,739
Total underwriting deductions	676,332			713,141			533,438
Underwriting income	$	267,558		$	280,647		$	387,005
Selected ratios:
Ratio of net to gross premiums written	90.0		%	86.8		%	85.4		%
Losses and loss expense ratio	43.6		%	46.2		%	33.5		%
Policy acquisition cost ratio	19.2		%	16.8		%	15.5		%
General and administrative expense ratio (a)	8.8		%	9.0		%	9.2		%
Expense ratio	28.0		%	25.8		%	24.7		%
Combined ratio	71.6		%	72.0		%	58.2		%

(a) The general and administrative expense ratio includes share compensation expenses.

	Years Ended December 31,
Talbot Segment Information	2016			2015			2014
Underwriting revenues
Gross premiums written	$	970,702		$	1,018,835		$	1,101,770
Reinsurance premiums ceded	(175,729		)	(198,896		)	(192,211		)
Net premiums written	794,973			819,939			909,559
Change in unearned premiums	(13,057		)	18,152			(29,785		)
Net premiums earned	781,916			838,091			879,774
Other insurance related income	455			851			1,095
Total underwriting revenues	782,371			838,942			880,869
Underwriting deductions
Losses and loss expenses	424,946			347,322			423,394
Policy acquisition costs	177,127			187,535			187,162
General and administrative expenses	134,479			155,306			150,828
Share compensation expenses	13,078			12,373			11,346
Total underwriting deductions	749,630			702,536			772,730
Underwriting income	$	32,741		$	136,406		$	108,139
Selected ratios:
Ratio of net to gross premiums written	81.9		%	80.5		%	82.6		%
Losses and loss expense ratio	54.3		%	41.4		%	48.1		%
Policy acquisition cost ratio	22.7		%	22.4		%	21.3		%
General and administrative expense ratio (a)	18.9		%	20.0		%	18.4		%
Expense ratio	41.6		%	42.4		%	39.7		%
Combined ratio	95.9		%	83.8		%	87.8		%

(a) The general and administrative expense ratio includes share compensation expenses.

	Years Ended December 31,
Western World Segment Information	2016			2015			2014 (a)
Underwriting revenues
Gross premiums written	$	323,220		$	278,504		$	65,235
Reinsurance premiums ceded	(22,634		)	(18,877		)	(6,428		)
Net premiums written	300,586			259,627			58,807
Change in unearned premiums	(27,354		)	(977		)	14,189
Net premiums earned	273,232			258,650			72,996
Other insurance related income	912			1,044			264
Total underwriting revenues	274,144			259,694			73,260
Underwriting deductions
Losses and loss expenses	183,812			171,878			51,035
Policy acquisition costs	64,442			41,408			3,169
General and administrative expenses	43,280			38,715			11,121
Share compensation expenses	2,543			2,083			135
Total underwriting deductions	294,077			254,084			65,460
Underwriting (loss) income	$	(19,933	)	$	5,610		$	7,800
Selected ratios:
Ratio of net to gross premiums written	93.0		%	93.2		%	90.1		%
Losses and loss expense ratio	67.3		%	66.4		%	69.9		%
Policy acquisition cost ratio	23.5		%	16.0		%	4.4		%
General and administrative expense ratio (b)	16.8		%	15.8		%	15.4		%
Expense ratio	40.3		%	31.8		%	19.8		%
Combined ratio	107.6		%	98.2		%	89.7		%

(a) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

(b) The general and administrative expense ratio includes share compensation expenses.

	Years Ended December 31,
AlphaCat Segment Information (a)	2016			2015			2014
Revenues
Third party	$	18,771		$	19,661		$	18,667
Related party	3,329			5,309			7,467
Total revenues	22,100			24,970			26,134
Expenses
General and administrative expenses	10,233			12,115			10,134
Share compensation expenses	249			580			501
Finance expenses	947			9,312			3,417
Tax expenses	90			—			—
Foreign exchange losses (gains)	19			(16		)	(20		)
Total expenses	11,538			21,991			14,032
Income before investment income from AlphaCat Funds and Sidecars	10,562			2,979			12,102
Investment income (loss) from AlphaCat Funds and Sidecars (b)
AlphaCat Re & Master Fund	—			—			(1,377		)
AlphaCat Sidecars	607			5,504			10,525
AlphaCat ILS Funds - Lower Risk	8,901			7,491			7,974
AlphaCat ILS Funds - Higher Risk	7,471			8,428			8,754
BetaCat ILS Funds	3,623			1,702			(51		)
PaCRe	(23		)	(3,949		)	(4,340		)
Total investment income from AlphaCat Funds and Sidecars	20,579			19,176			21,485
Validus’ share of AlphaCat income	$	31,141		$	22,155		$	33,587
Supplemental information:
Gross premiums written
AlphaCat Sidecars	$	(341	)	$	45,755		$	50,023
AlphaCat ILS Funds - Lower Risk	112,222			91,363			52,264
AlphaCat ILS Funds - Higher Risk	140,022			34,228			24,498
AlphaCat Direct (c)	18,499			4,780			—
Total gross premiums written	$	270,402		$	176,126		$	126,785

(a) The results of AlphaCat are presented on an asset manager basis, which is non-GAAP. A reconciliation of Validus’ share of AlphaCat segment income to segmental income is presented in the tables below.

(b) The investment income from the AlphaCat funds and sidecars is based on equity accounting.

(c) AlphaCat Direct includes direct investments from third party investors in AlphaCat Re.

	Years Ended December 31,
Corporate and Investments	2016			2015			2014
Investment income
Managed net investment income (a)	$	141,718		$	121,166		$	95,800
Operating expenses
General and administrative expenses	72,249			75,724			80,210
Share compensation expenses	16,003			12,955			11,352
Finance expenses (a)	57,183			61,071			60,309
Dividends on preferred shares	4,455			—			—
Tax (benefit) expense (a)	(19,819		)	6,376			155
Total operating expenses	130,071			156,126			152,026
Other items
Net realized gains on managed investments (a)	14,680			1,698			12,160
Change in net unrealized gains (losses) on managed investments (a)	14,106			(32,007		)	(1,030		)
(Loss) income from investment affiliates	(2,083		)	4,281			8,411
Foreign exchange gains (losses) (a)	10,778			(8,172		)	(10,700		)
Other loss	(766		)	(1,002		)	(2,243		)
Transaction expenses (b)	—			—			(8,096		)
Total other items	36,715			(35,202		)	(1,498		)
Total Corporate and Investments	$	48,362		$	(70,162	)	$	(57,724	)

(a) These items exclude the components which are included in Validus’ share of AlphaCat and amounts which are consolidated from VIEs.

(b) The transaction expenses relate to costs incurred in connection with the acquisition of Western World, which was completed on October 2, 2014. Transaction expenses are primarily comprised of legal, financial advisory and audit related services.

The following tables reconcile the results of our operating segments and “Corporate & Investments” to the Consolidated results of the Company for the years indicated:

	Year Ended December 31, 2016
	Validus Re Segment			Talbot Segment			Western World Segment			AlphaCat Segment and Consolidated VIEs			Corporate and Investments			Eliminations			Total
Underwriting revenues
Gross premiums written	$	1,111,054		$	970,702		$	323,220		$	270,402		$	—		$	(26,673	)	$	2,648,705
Reinsurance premiums ceded	(111,564		)	(175,729		)	(22,634		)	(6,451		)	—			26,673			(289,705		)
Net premiums written	999,490			794,973			300,586			263,951			—			—			2,359,000
Change in unearned premiums	(55,545		)	(13,057		)	(27,354		)	(13,879		)	—			—			(109,835		)
Net premiums earned	943,945			781,916			273,232			250,072			—			—			2,249,165
Other insurance related (loss) income	(55		)	455			912			22,386			—			(20,737		)	2,961
Total underwriting revenues	943,890			782,371			274,144			272,458			—			(20,737		)	2,252,126
Underwriting deductions
Losses and loss expenses	411,488			424,946			183,812			44,851			—			—			1,065,097
Policy acquisition costs	181,040			177,127			64,442			26,905			—			(32		)	449,482
General and administrative expenses	72,770			134,479			43,280			34,333			72,249			(20,817		)	336,294
Share compensation expenses	11,034			13,078			2,543			249			16,003			—			42,907
Total underwriting deductions	676,332			749,630			294,077			106,338			88,252			(20,849		)	1,893,780
Underwriting income (loss)	$	267,558		$	32,741		$	(19,933	)	$	166,120		$	(88,252	)	$	112		$	358,346
Other items (a)	—			—			—			2,478			(649		)	—			1,829
Dividends on preferred shares	—			—			—			—			(4,455		)	—			(4,455		)
Net investment income	—			—			—			9,264			141,718			(597		)	150,385
(Income) attributable to AlphaCat investors	—			—			—			(23,358		)	—			—			(23,358		)
Net (income) attributable to noncontrolling interests	—			—			—			(123,363		)	—			—			(123,363		)
Segmental income (loss)	$	267,558		$	32,741		$	(19,933	)	$	31,141		$	48,362		$	(485	)
Net income available to Validus common shareholders																			$	359,384

(a) Other items includes finance expenses, tax (benefit) expense, foreign exchange gains (losses), net realized and change in net unrealized gains (losses) on investments, income from investment and operating affiliates and other income (loss).

	Year Ended December 31, 2015
	Validus Re Segment			Talbot Segment			Western World Segment			AlphaCat Segment and Consolidated VIEs			Corporate and Investments			Eliminations			Total
Underwriting revenues
Gross premiums written	$	1,126,759		$	1,018,835		$	278,504		$	176,126		$	—		$	(42,718	)	$	2,557,506
Reinsurance premiums ceded	(149,088		)	(198,896		)	(18,877		)	(4,538		)	—			42,718			(328,681		)
Net premiums written	977,671			819,939			259,627			171,588			—			—			2,228,825
Change in unearned premiums	12,542			18,152			(977		)	(11,653		)	—			—			18,064
Net premiums earned	990,213			838,091			258,650			159,935			—			—			2,246,889
Other insurance related income	3,575			851			1,044			25,524			—			(24,881		)	6,113
Total underwriting revenues	993,788			838,942			259,694			185,459			—			(24,881		)	2,253,002
Underwriting deductions
Losses and loss expenses	457,976			347,322			171,878			657			—			—			977,833
Policy acquisition costs	166,387			187,535			41,408			16,327			—			(1,599		)	410,058
General and administrative expenses	78,428			155,306			38,715			39,055			75,724			(23,519		)	363,709
Share compensation expenses	10,350			12,373			2,083			580			12,955			—			38,341
Total underwriting deductions	713,141			702,536			254,084			56,619			88,679			(25,118		)	1,789,941
Underwriting income	$	280,647		$	136,406		$	5,610		$	128,840		$	(88,679	)	$	237		$	463,061
Other items (a)	—			—			—			(17,967		)	(102,649		)	—			(120,616		)
Dividends on preferred shares	—			—			—			—			—			—			—
Net investment income	—			—			—			6,658			121,166			—			127,824
(Income) attributable to AlphaCat investors	—			—			—			(2,412		)	—			—			(2,412		)
Net (income) attributable to noncontrolling interests	—			—			—			(92,964		)	—			—			(92,964		)
Segmental income	$	280,647		$	136,406		$	5,610		$	22,155		$	(70,162	)	$	237
Net income available to Validus																			$	374,893

(a) Other items includes finance expenses, tax expenses, foreign exchange gains (losses), net realized and change in net unrealized gains (losses) on investments, income from investment and operating affiliates and other income (loss).

	Year Ended December 31, 2014
	Validus Re Segment			Talbot Segment			Western World Segment (c)			AlphaCat Segment and Consolidated VIEs			Corporate and Investments			Eliminations			Total
Underwriting revenues
Gross premiums written	$	1,118,532		$	1,101,770		$	65,235		$	126,785		$	—		$	(53,457	)	$	2,358,865
Reinsurance premiums ceded	(163,678		)	(192,211		)	(6,428		)	(4,348		)	—			53,457			(313,208		)
Net premiums written	954,854			909,559			58,807			122,437			—			—			2,045,657
Change in unearned premiums	(37,570		)	(29,785		)	14,189			564			—			—			(52,602		)
Net premiums earned	917,284			879,774			72,996			123,001			—			—			1,993,055
Other insurance related income	3,159			1,095			264			25,750			—			(26,796		)	3,472
Total underwriting revenues	920,443			880,869			73,260			148,751			—			(26,796		)	1,996,527
Underwriting deductions
Losses and loss expenses	307,290			423,394			51,035			(16,704		)	—			—			765,015
Policy acquisition costs	141,670			187,162			3,169			11,584			—			(4,118		)	339,467
General and administrative expenses	74,739			150,828			11,121			36,298			80,210			(23,834		)	329,362
Share compensation expenses	9,739			11,346			135			501			11,352			—			33,073
Total underwriting deductions	533,438			772,730			65,460			31,679			91,562			(27,952		)	1,466,917
Underwriting income	$	387,005		$	108,139		$	7,800		$	117,072		$	(91,562	)	$	1,156		$	529,610
Other items (a)	—			—			—			(12,891		)	(53,866		)	—			(66,757		)
Net investment income	—			—			—			4,286			95,800			—			100,086
Net (income) attributable to noncontrolling interests	—			—			—			(74,880		)	—			—			(74,880		)
Transaction expenses (b)	—			—			—			—			(8,096		)	—			(8,096		)
Segmental income	$	387,005		$	108,139		$	7,800		$	33,587		$	(57,724	)	$	1,156
Net income available to Validus																			$	479,963

(a) Other items includes finance expenses, tax expenses, foreign exchange gains (losses), net realized and change in net unrealized gains (losses) on investments, income from investment and operating affiliates and other income (loss).

(b) The transaction expenses relate to costs incurred in connection with the acquisition of Western World, which was completed on October 2, 2014. Transaction expenses are primarily comprised of legal, financial advisory and audit related services.

(c) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

The following table sets forth the gross premiums written by line of business for the years indicated:

	Years Ended December 31,
	2016		2015		2014 (a)
Property	$	1,128,523	$	1,077,700	$	1,050,109
Marine	363,656		471,857		576,478
Specialty	927,746		782,463		677,026
Liability	228,780		225,486		55,252
Total	$	2,648,705	$	2,557,506	$	2,358,865

(a) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

The Company’s exposures are generally diversified across geographic zones. The following tables set forth the gross premiums written allocated to the territory of coverage exposure for the years indicated:

	Gross Premiums Written
	Year Ended December 31, 2016
	Validus Re		Talbot		Western World		AlphaCat		Eliminations			Total		%
United States	$	448,243	$	103,415	$	323,220	$	64,766	$	(2,057	)	$	937,587	35.4	%
Worldwide excluding United States (a)	51,902		148,347		—		22,206		(689		)	221,766		8.4	%
Australia and New Zealand	7,389		10,844		—		4,949		(133		)	23,049		0.9	%
Europe	28,967		34,264		—		3,245		(695		)	65,781		2.4	%
Latin America and Caribbean	47,586		102,293		—		—		(9,484		)	140,395		5.3	%
Japan	40,099		6,580		—		3,221		(33		)	49,867		1.9	%
Canada	3,349		6,834		—		207		(147		)	10,243		0.4	%
Rest of the world (b)	22,595		107,106		—		—		(2,449		)	127,252		4.8	%
Sub-total, non United States	201,887		416,268		—		33,828		(13,630		)	638,353		24.1	%
Worldwide including United States (a)	167,065		98,311		—		170,253		(10,983		)	424,646		16.0	%
Other locations non-specific (c)	293,859		352,708		—		1,555		(3		)	648,119		24.5	%
Total	$	1,111,054	$	970,702	$	323,220	$	270,402	$	(26,673	)	$	2,648,705	100.0	%

	Gross Premiums Written
	Year Ended December 31, 2015
	Validus Re		Talbot		Western World		AlphaCat		Eliminations			Total		%
United States	$	530,541	$	106,679	$	278,504	$	41,134	$	(2,547	)	$	954,311	37.4	%
Worldwide excluding United States (a)	52,860		127,540		—		8,107		(1,186		)	187,321		7.3	%
Australia and New Zealand	12,190		8,974		—		624		(244		)	21,544		0.8	%
Europe	48,240		38,657		—		2,504		(1,135		)	88,266		3.5	%
Latin America and Caribbean	46,258		103,318		—		38		(15,481		)	134,133		5.2	%
Japan	38,885		5,171		—		1,671		(109		)	45,618		1.8	%
Canada	3,129		6,666		—		458		(231		)	10,022		0.4	%
Rest of the world (b)	21,498		103,237		—		—		(3,660		)	121,075		4.7	%
Sub-total, non United States	223,060		393,563		—		13,402		(22,046		)	607,979		23.7	%
Worldwide including United States (a)	139,419		100,523		—		116,523		(18,120		)	338,345		13.2	%
Other locations non-specific (c)	233,739		418,070		—		5,067		(5		)	656,871		25.7	%
Total	$	1,126,759	$	1,018,835	$	278,504	$	176,126	$	(42,718	)	$	2,557,506	100.0	%

	Gross Premiums Written
	Year Ended December 31, 2014
	Validus Re		Talbot		Western World (d)		AlphaCat		Eliminations			Total		%
United States	$	437,124	$	108,458	$	65,235	$	26,067	$	(3,664	)	$	633,220	26.8	%
Worldwide excluding United States (a)	76,370		139,570		—		6,727		(1,575		)	221,092		9.4	%
Australia and New Zealand	20,617		9,736		—		1,019		(360		)	31,012		1.3	%
Europe	57,223		45,615		—		2,305		(1,292		)	103,851		4.4	%
Latin America and Caribbean	56,102		116,281		—		—		(26,007		)	146,376		6.2	%
Japan	42,813		4,116		—		608		(111		)	47,426		2.0	%
Canada	3,793		10,194		—		214		(337		)	13,864		0.6	%
Rest of the world (b)	25,272		93,012		—		—		(3,805		)	114,479		4.9	%
Sub-total, non United States	282,190		418,524		—		10,873		(33,487		)	678,100		28.8	%
Worldwide including United States (a)	175,098		96,187		—		89,845		(16,196		)	344,934		14.6	%
Other locations non-specific (c)	224,120		478,601		—		—		(110		)	702,611		29.8	%
Total	$	1,118,532	$	1,101,770	$	65,235	$	126,785	$	(53,457	)	$	2,358,865	100.0	%

(a) Represents risks in two or more geographic zones.

(b) Represents risks in one geographic zone.

(c) The other locations non-specific category refers to business for which an analysis of exposure by geographic zone is not applicable since these exposures can span multiple geographic areas and, in some instances, are not fixed locations.

(d) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

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Statutory and regulatory requirements

12 Months Ended

Dec. 31, 2016

Statutory and regulatory requirements [Abstract]

Statutory and regulatory requirements

Statutory and regulatory requirements

Validus Holdings, Ltd. has operations which are subject to laws and regulations in the jurisdictions in which they operate, the most significant of which are Bermuda, the United Kingdom, the United States and Switzerland.

As a holding company, Validus Holdings, Ltd.’s principal sources of income are dividends or other sources of permitted distributions from its subsidiaries. These funds provide the cash flow required for dividend payments to the Company’s shareholders. The holding company has no material restrictions on its ability to make distributions to shareholders however, the ability of our (re)insurance subsidiaries to make distributions is limited by the applicable local laws and relevant regulations of the various countries in which we operate. The Company’s subsidiaries are required to maintain certain measures of solvency and liquidity which provide restrictions on declaring dividends and distributions.

The Company’s (re)insurance subsidiaries prepare their statutory financial statements in conformity with statutory accounting practices prescribed or permitted by the applicable local laws and relevant regulatory authority. The statutory financial statements may vary materially from statements prepared in accordance with U.S. GAAP.

Statutory capital and surplus as at December 31, 2016 and 2015 and statutory net income for the years endedDecember 31, 2016, 2015 and 2014 for our (re)insurance subsidiaries based in our most significant regulatory jurisdictions were as follows:

	Statutory Capital and Surplus
	Required				Actual				Statutory Net Income
	December 31,				December 31,				Years Ended December 31,
	2016		2015		2016		2015		2016		2015		2014
Bermuda	$	734,045	$	1,463,408	$	3,712,369	$	3,469,849	$	369,684	$	329,260	$	511,652
United States	78,342		80,047		416,746		421,047		7,795		32,255		105,210
Switzerland	267,000		259,000		806,099		750,356		46,362		21,379		44,939

During the year ended December 31, 2016, dividends and distributions to the Company from its subsidiaries, net of amounts reinvested in subsidiaries were $320,000 (2015: $465,000).

(a) Bermuda

The Company has five Bermuda based insurance subsidiaries: Validus Reinsurance, Ltd., a Class 4 insurer; Validus Reinsurance (Switzerland) Ltd (Bermuda Branch), a Class 4 insurer; IPCRe Limited (“IPCRe”), a Class 3A insurer; AlphaCat Reinsurance Ltd., a Class 3 insurer; and Mont Fort Re Ltd., a Class 3 insurer. Each of these Bermuda insurance subsidiaries is registered under the Insurance Act. The Company also has two Bermuda based subsidiaries which are licensed as Special Purpose Insurers (“SPIs”) under the Insurance Act, AlphaCat Re 2011, Ltd. and AlphaCat Re 2012, Ltd.

The Company’s Bermuda based insurance subsidiaries are required to maintain minimum statutory capital and surplus equal to the greater of a minimum solvency margin (“MSM”) and the Enhanced Capital Requirement (“ECR”) where applicable. The ECR is equal to the higher of the MSM or the Bermuda Solvency Capital Requirement (“BSCR”) model or approved internal capital model. The BSCR for the relevant insurers for the year ended December 31, 2016 will not be filed with the BMA until April 2017. As a result, the required statutory capital and surplus as at December 31, 2016, of $734,045 is based on the MSM of all relevant insurers, whereas the required statutory capital and surplus as at December 31, 2015 of $1,463,408 is based on the MSM and ECR where applicable for all relevant insurers. Actual statutory capital and surplus includes capital held in support of FAL which is not available for distribution to the Company. For further details refer to Note 23, “Commitments and contingencies.” At December 31, 2016 and 2015, the actual statutory capital and surplus of the Bermuda based insurance subsidiaries exceeded the relevant regulatory requirements.

The ability of certain of these insurance subsidiaries to pay dividends to us is limited under Bermuda law and regulations. The Insurance Act provides that each of the Class 3A and 4 Bermuda subsidiaries may not declare or pay, in any financial year, dividends of more than 25% of its total statutory capital and surplus (as shown on its statutory balance sheet in relation to the previous financial year) unless it files with the BMA at least seven days prior to the payment, an affidavit signed by at least two directors and such insurance subsidiary’s principal representative, stating that in their opinion such subsidiary will continue to satisfy the required margins following declaration of those dividends, however, there is no additional requirement for BMA approval. In addition, before reducing its total statutory capital by 15% or more (as set out in its previous year’s statutory financial statements) each of the Class 3A and Class 4 Bermuda insurance subsidiaries must make application to the BMA for permission to do so; such application shall consist of an affidavit signed by at least two directors and such insurance subsidiary’s principal representative stating that in their opinion the proposed reduction in capital will not cause such subsidiaries to fail to meet its relevant margins, and such other information as the BMA may require. The Insurance Act permits each of the Class 3 insurers to declare or pay any dividends during any financial year so long as it does not cause the insurance subsidiary to fail to meet its relevant margins subject to the restrictions set out herein and other than in respect of IPCRe. Class 3 insurers, before reducing by 15% or more of its total statutory capital, as set out in its previous year’s financial statements, are required to apply to the BMA for its approval and provide such information as the BMA may require.

As at December 31, 2016, the Company’s Bermuda insurance subsidiaries have the ability to distribute up to $1,335,300 of unrestricted net assets as dividend payments or return of capital to Validus Holdings, Ltd. (December 31, 2015: $1,008,367) without prior regulatory approval.

The Company’s primary restrictions on net assets of insurance subsidiaries consist of regulatory requirements placed upon the regulated insurance subsidiaries to hold minimum amounts of total statutory capital and surplus and other than the restriction on IPCRe noted above, there were no other material restrictions on net assets in place as of December 31, 2016.

The Company’s principal operating subsidiary in Bermuda, Validus Reinsurance, Ltd., maintains a branch office in Singapore. As the branch office is not considered a separate entity for regulatory purposes, the required and actual statutory capital and surplus amount includes amounts, as set out above, related to the applicable branch office. The branch office is subject to additional minimum capital or asset requirements in its country of domicile. At December 31, 2016 and 2015, the actual capital and assets for the branch exceeded the relevant local regulatory requirements.

(b) United Kingdom - Lloyd’s

As disclosed in Note 23(d), “Commitments and contingencies,” Syndicate 1183 and T02 are subject to regulation by the Council of Lloyd’s. Syndicate 1183 and T02 are also subject to regulation by the U.K. Financial Conduct Authority (“FCA”) and Prudential Regulation Authority (“PRA”) under the Financial Services and Market Act 2000.

T02 is a corporate member of Lloyd’s. As a corporate member of Lloyd’s, T02 is bound by the rules of the Society of Lloyd’s, which are prescribed by Bye-laws and Requirements made by the Council of Lloyd’s under powers conferred by the Lloyd’s Act 1982. These rules (among other matters) prescribe T02’s membership subscription, the level of its contribution to the Lloyd’s central fund and the assets it must deposit with Lloyd’s in support of its underwriting. The Council of Lloyd’s has broad power to sanction breaches of its rules, including the power to restrict or prohibit a member’s participation on Lloyd’s syndicates. The capital required to support a Syndicate’s underwriting capacity, or FAL, is assessed annually and is determined by Lloyd’s in accordance with the rules of the Society of Lloyd’s. The capital to support the underwriting of Syndicate 1183 is provided by the Company’s Bermuda based insurance subsidiaries in the form of cash and investments held at Lloyd’s. The amount provided as FAL is not available for distribution to the Company for the payment of dividends.

Each year, during the second quarter, the corporate member applies to Lloyd’s to release accumulated funds, whether syndicate profits, interest on FAL or other which are in excess of the agreed FAL amount. At December 31, 2016 and 2015, the actual capital and assets exceeded the relevant local regulatory requirements. The release for the year ended December 31, 2015 enabled a dividend payment to the Company of $30,000 during the year ended December 31, 2016 (2015: $65,000).

(c) United States

The Company has three U.S. based insurance subsidiaries domiciled in New Hampshire: Western World Insurance Company, Tudor Insurance Company and Stratford Insurance Company, which are required to file financial statements prepared in accordance with statutory accounting practices prescribed or permitted by the New Hampshire State Insurance Department (“NHSID”).

State insurance laws and regulations prescribe accounting practices for determining statutory net income and equity for insurance companies. In addition, state regulators may permit statutory accounting practices that differ from such prescribed practices. The Company’s U.S. based insurance company subsidiaries did not use such permitted practices.

The Company’s U.S. based insurance company subsidiaries are subject to certain Risk-Based Capital (“RBC”) requirements as specified by the National Association of Insurance Commissioners. Under those requirements, the minimum amount of capital and surplus required to be maintained by a property/casualty insurance company is based on various risk factors. At December 31, 2016 and 2015, the Company’s U.S. based insurance company subsidiaries met the RBC requirements.

New Hampshire insurance laws limit the amount of dividends Western World may pay to the Company in a 12-month period without the approval of the NHSID. These limitations are based on the lesser of: (i) a maximum of 10.0% of prior year end statutory surplus as determined under statutory accounting practices; or (ii) statutory net income, not including realized capital gains, for the 12-month period ending December 31, next preceding, but shall not include pro rata distributions of any class of the insurer’s own securities. In determining whether a dividend or distribution is extraordinary, an insurer may carry forward net income from the previous two calendar years that has not already been paid out as dividends. This carry-forward is computed by taking the net income from the second and third preceding calendar years, not including realized capital gains, less dividends paid in the second and immediate preceding calendar years. As at December 31, 2016, the maximum dividend that may be paid to the Company by its U.S. based insurance subsidiaries without obtaining prior approval was $490 (December 31, 2015: $17,599). During the year ended December 31, 2016, our U.S. based insurance subsidiaries paid dividends to the Company of $18,500 (2015: $80,300).

(d) Switzerland

Validus Re Swiss is a société anonyme headquartered in Zurich, Switzerland. The conduct of reinsurance business by a company headquartered in Switzerland requires a license granted by the Swiss Financial Market Supervisory Authority (“FINMA”). Validus Re Swiss maintains a branch office in Bermuda, Validus Reinsurance (Switzerland) Ltd. (Bermuda Branch), a Class 4 insurer.

Required statutory capital and surplus is based on the Target Capital requirements calculated under the Swiss Solvency Test (“SST”). Required and actual statutory capital and surplus includes Validus Reinsurance (Switzerland) Ltd. and its Bermuda branch. At December 31, 2016 and 2015, the actual capital and assets exceeded the relevant local regulatory requirements.

Validus Re Swiss is funded by equity in the form of paid in capital by shares and in share premium. Under Swiss corporate law as modified by insurance supervisory law, a non-life insurance company is obliged to contribute to statutory legal reserves a minimum of 20% of any annual profit up to 50% of statutory capital, being paid in share capital. Validus Re Swiss has been substantially funded by share premium. Share premium can be distributed to shareholders without being subject to withholding tax. However, the distribution of any special dividend to shareholders remains subject to the approval of FINMA which considers the maintenance of solvency and the interests of reinsureds and creditors.

Validus Reinsurance (Switzerland) Ltd. (Bermuda Branch) is exempt from filing an Annual Statutory Financial Return and Annual Capital and Solvency Return but is subject to the minimum required statutory capital and surplus requirements for Class 4 insurers and the SST. At December 31, 2016 and 2015, the branch was in compliance with all relevant regulatory requirements.

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Subsequent events

12 Months Ended

Dec. 31, 2016

Subsequent Events [Abstract]

Subsequent events

Subsequent events

Dividends

On February 9, 2017, the Company announced a quarterly cash dividend of $0.38 per common share, payable on March 31, 2017 to shareholders of record on March 15, 2017 and a cash dividend of $0.3671875 per depositary share on the outstanding Series A Preferred Shares, payable on March 15, 2017 to shareholders of record on March 1, 2017.

Acquisition of ADM Crop Risk Services

On January 30, 2017, the Company, through its wholly-owned subsidiary Stratford Insurance Company, entered into a definitive agreement with Archer Daniels Midland Company (“ADM”) under which the Company will acquire all of the outstanding stock of ADM Crop Risk Services (“CRS”). CRS is a primary crop insurance general agent with 1,170 agents across 36 states within the U.S. The purchase price for CRS will be approximately $127,500 in cash, subject to certain working capital and balance sheet adjustments. Completion of the transaction is conditioned on, among other things, regulatory approvals and satisfaction of various customary closing conditions. The transaction is currently expected to close during the second quarter of 2017.

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Condensed unaudited quarterly financial information

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Condensed unaudited quarterly financial information

Unaudited quarterly financial data

	Quarters Ended
	December 31, 2016			September 30, 2016			June 30, 2016			March 31, 2016
	Unaudited			Unaudited			Unaudited			Unaudited
Revenues
Gross premiums written	$	339,454		$	372,418		$	764,042		$	1,172,791
Reinsurance premiums ceded	(40,635		)	(45,006		)	(36,229		)	(167,835		)
Net premiums written	298,819			327,412			727,813			1,004,956
Change in unearned premiums	241,580			236,363			(154,090		)	(433,688		)
Net premiums earned	540,399			563,775			573,723			571,268
Net investment income	38,153			43,514			39,257			29,461
Net realized gains (losses) on investments	9,220			4,397			2,724			(584		)
Change in net unrealized (losses) gains on investments	(67,460		)	5,459			31,428			47,444
Income (loss) from investment affiliates	2,166			453			(589		)	(4,113		)
Other insurance related income (loss) and other income	568			(610		)	824			1,413
Foreign exchange (losses) gains	(901		)	(766		)	6,286			6,245
Total revenues	522,145			616,222			653,653			651,134
Expenses
Losses and loss expenses	275,126			258,394			307,130			224,447
Policy acquisition costs	120,889			113,434			107,966			107,193
General and administrative expenses	77,955			82,443			89,688			86,208
Share compensation expenses	10,442			10,501			10,727			11,237
Finance expenses	14,630			14,521			14,166			15,203
Total expenses	499,042			479,293			529,677			444,288
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors	23,103			136,929			123,976			206,846
Tax benefit (expense)	21,147			(1,830		)	(1,706		)	2,118
Loss from operating affiliate	—			—			—			(23		)
(Income) attributable to AlphaCat investors	(7,080		)	(5,564		)	(6,114		)	(4,600		)
Net income	$	37,170		$	129,535		$	116,156		$	204,341
Net (income) attributable to noncontrolling interests	(27,200		)	(37,439		)	(21,193		)	(37,531		)
Net income available to Validus	9,970			92,096			94,963			166,810
Dividends on preferred shares	(2,203		)	(2,252		)	—			—
Net income available to Validus common shareholders	$	7,767		$	89,844		$	94,963		$	166,810
Earnings per share
Basic earnings per share available to Validus common shareholders	$	0.10		$	1.12		$	1.16		$	2.01
Earnings per diluted share available to Validus common shareholders	$	0.10		$	1.11		$	1.14		$	1.98
Cash dividends declared per common share	$	0.35		$	0.35		$	0.35		$	0.35

	Quarters Ended
	December 31, 2015			September 30, 2015			June 30, 2015			March 31, 2015
	Unaudited			Unaudited			Unaudited			Unaudited
Revenues
Gross premiums written	$	309,605		$	402,509		$	726,168		$	1,119,224
Reinsurance premiums ceded	(33,128		)	(48,810		)	(55,418		)	(191,325		)
Net premiums written	276,477			353,699			670,750			927,899
Change in unearned premiums	266,823			201,312			(98,062		)	(352,009		)
Net premiums earned	543,300			555,011			572,688			575,890
Net investment income	31,612			31,572			33,611			31,029
Net realized (losses) gains on investments	(2,928		)	(1,187		)	2,244			4,169
Change in net unrealized (losses) gains on investments	(34,862		)	3,916			(34,676		)	33,227
(Loss) income from investment affiliates	(1,261		)	2,482			284			2,776
Other insurance related income and other income	2,545			1,526			100			940
Foreign exchange gains (losses)	797			(2,592		)	(2,671		)	(4,265		)
Total revenues	539,203			590,728			571,580			643,766
Expenses
Losses and loss expenses	214,748			256,010			266,146			240,929
Policy acquisition costs	102,285			105,039			104,323			98,411
General and administrative expenses	98,563			96,886			84,025			84,235
Share compensation expenses	10,062			9,983			9,242			9,054
Finance expenses	16,581			18,512			18,682			20,967
Total expenses	442,239			486,430			482,418			453,596
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors	96,964			104,298			89,162			190,170
Tax benefit (expense)	756			(2,018		)	(2,549		)	(2,565		)
(Loss) income from operating affiliate	(1,708		)	(7,963		)	1,738			3,984
(Income) attributable to AlphaCat investors	(974		)	(1,438		)	—			—
Net income	$	95,038		$	92,879		$	88,351		$	191,589
Net (income) attributable to noncontrolling interests	(25,996		)	(26,229		)	(22,561		)	(18,178		)
Net income available to Validus	69,042			66,650			65,790			173,411
Dividends on preferred shares	—			—			—			—
Net income available to Validus common shareholders	$	69,042		$	66,650		$	65,790		$	173,411
Earnings per share
Basic earnings per share available to Validus common shareholders	$	0.84		$	0.79		$	0.77		$	2.07
Earnings per diluted share available to Validus common shareholders	$	0.81		$	0.78		$	0.75		$	1.98
Cash dividends declared per common share	$	0.32		$	0.32		$	0.32		$	0.32

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Schedule I - Summary of investments

12 Months Ended

Dec. 31, 2016

Summary of Investments, Other than Investments in Related Parties [Abstract]

Summary of Investments Other than Investments in Related Parties

SCHEDULE I

VALIDUS HOLDINGS, LTD.

SUMMARY OF INVESTMENTS OTHER THAN INVESTMENTS IN RELATED PARTIES

At December 31, 2016

(Expressed in thousands of U.S. dollars)

	Amortized cost		Fair value		Amount shown on the Balance Sheet
U.S. government and government agency	$	809,392	$	804,126	$	804,126
Non-U.S. government and government agency	245,651		240,791		240,791
U.S. states, municipalities and political subdivisions	271,742		271,830		271,830
Agency residential mortgage-backed securities	684,490		679,595		679,595
Non-agency residential mortgage-backed securities	15,858		15,477		15,477
U.S. corporate	1,540,036		1,534,508		1,534,508
Non-U.S. corporate	418,520		410,227		410,227
Bank loans	579,121		570,399		570,399
Catastrophe bonds	157,486		158,331		158,331
Asset-backed securities	528,563		526,814		526,814
Commercial mortgage-backed securities	333,740		330,932		330,932
Total fixed maturities	5,584,599		5,543,030		5,543,030
Total short-term investments	2,796,358		2,796,170		2,796,170
Total other investments	380,130		405,712		405,712
Total	$	8,761,087	$	8,744,912	$	8,744,912

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Schedule II - Condensed financial information of registrant

12 Months Ended

Dec. 31, 2016

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Financial Information of Registrant

SCHEDULE II

VALIDUS HOLDINGS, LTD.

CONDENSED FINANCIAL INFORMATION OF REGISTRANT

BALANCE SHEETS

As at December 31, 2016 and 2015

(Expressed in thousands of U.S. dollars, except share and per share information)

	December 31, 2016			December 31, 2015
Assets
Fixed maturities trading, at fair value	$	92,197		$	28,403
Cash and cash equivalents	11,780			25,306
Investments in subsidiaries on an equity basis	4,383,800			4,198,809
Balances due from subsidiaries	—			10,389
Accrued investment income	239			49
Other assets	1,143			813
Total assets	$	4,489,159		$	4,263,769
Liabilities
Accounts payable and accrued expenses	$	26,884		$	29,633
Balances due to subsidiaries	28,622			—
Senior notes payable	245,362			245,161
Debentures payable	350,000			350,000
Total liabilities	$	650,868		$	624,794
Shareholders’ Equity
Authorized 571,428,571 common and preferred shares, par value $0.175 per share:
Preferred shares (Issued and Outstanding: 2016—6,000; 2015—nil)	$	150,000		$	—
Common shares (Issued: 2016—161,279,976; 2015—160,570,772; Outstanding: 2016—79,132,252; 2015—82,900,617)	28,224			28,100
Treasury shares (2016—82,147,724; 2015—77,670,155)	(14,376		)	(13,592		)
Additional paid-in capital	821,023			1,002,980
Accumulated other comprehensive loss	(23,216		)	(12,569		)
Retained earnings	2,876,636			2,634,056
Total shareholders’ equity	$	3,838,291		$	3,638,975
Total liabilities and shareholders’ equity	$	4,489,159		$	4,263,769

VALIDUS HOLDINGS, LTD.

CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Continued)

STATEMENTS OF INCOME AND COMPREHENSIVE INCOME

For the years ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars)

	Years Ended December 31,
	2016			2015			2014
Revenues
Net investment income	$	1,195		$	317		$	14
Net realized gains on investments	8,020			—			—
Change in net unrealized losses on investments	(276		)	(395		)	—
Foreign exchange gains	1,932			715			648
Total revenues	10,871			637			662
Expenses
General and administrative expenses	72,235			74,015			86,108
Share compensation expenses	6,832			7,261			6,424
Finance expenses	47,108			47,722			47,689
Total expenses	126,175			128,998			140,221
Loss before equity in net earnings of subsidiaries	(115,304		)	(128,361		)	(139,559		)
Equity in net earnings of subsidiaries	479,143			503,254			619,522
Net income available to Validus	363,839			374,893			479,963
Dividends on preferred shares	(4,455		)	—			—
Net income available to Validus common shareholders	$	359,384		$	374,893		$	479,963
Comprehensive income:
Net income available to Validus	$	363,839		$	374,893		$	479,963
Other comprehensive (loss) income:
Change in foreign currency translation adjustments	(10,440		)	(3,716		)	(7,501		)
Change in minimum pension liability, net of tax	(484		)	544			(210		)
Change in fair value of cash flow hedge	277			(841		)	(228		)
Other comprehensive loss	(10,647		)	(4,013		)	(7,939		)
Comprehensive income available to Validus	$	353,192		$	370,880		$	472,024

VALIDUS HOLDINGS, LTD.

CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Continued)

STATEMENTS OF CASH FLOWS

For the years ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars)

	Years Ended December 31,
	2016			2015			2014
Cash flows provided by (used in) operating activities
Net income available to Validus	$	363,839		$	374,893		$	479,963
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Equity in net earnings of subsidiaries	(479,143		)	(503,254		)	(619,522		)
Dividends received from subsidiaries	30,000			620,700			100,000
Net realized gains on investments	(8,020		)	—			—
Amortization of discount on senior notes	108			108			108
Share compensation expenses	6,832			7,261			6,424
Change in net unrealized losses on investments	276			395			—
Amortization of premium on fixed maturity investments	115			105			—
Change in:
Other assets	(238		)	173			528
Accrued investment income	(190		)	(49		)	—
Balances due from subsidiaries	10,389			30,689			(12,030		)
Balances due to subsidiaries	28,622			—			—
Accounts payable and accrued expenses	(4,348		)	5,080			2,624
Net cash (used in) provided by operating activities	(51,758		)	536,101			(41,905		)
Cash flows provided by (used in) investing activities
Purchases of fixed maturity investments	(56,164		)	(28,903		)	—
Investments in subsidiaries	—			(555,700		)	—
Return of capital from subsidiaries	290,000			400,000			673,966
Net cash provided by (used in) investing activities	233,836			(184,603		)	673,966
Cash flows provided by (used in) financing activities
Issuance of preferred shares, net	144,852			—			—
Issuance of common shares, net	(7,701		)	17,407			5,347
Purchases of common shares under repurchase program	(212,675		)	(260,430		)	(510,952		)
Dividends paid on preferred shares	(4,455		)	—			—
Dividends paid on common shares	(115,625		)	(112,967		)	(117,043		)
Net cash used in financing activities	(195,604		)	(355,990		)	(622,648		)
Net (decrease) increase in cash	(13,526		)	(4,492		)	9,413
Cash and cash equivalents—beginning of year	25,306			29,798			20,385
Cash and cash equivalents—end of year	$	11,780		$	25,306		$	29,798

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Schedule III - Supplementary insurance information

12 Months Ended

Dec. 31, 2016

Supplementary Insurance Information [Abstract]

Supplementary Insurance Information

SCHEDULE III

VALIDUS HOLDINGS, LTD.

SUPPLEMENTARY INSURANCE INFORMATION

As at and for the years ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars)

	As at and for the year ended December 31, 2016
	Deferred Acquisition Costs			Reserve for Losses and Loss Expenses			Unearned Premiums			Net Premiums Earned		Net Investment Income		Losses and Loss Expenses		Amortization of Deferred Acquisition Costs			Other Operating Expenses		Net Premiums Written
Validus Re	$	79,588		$	1,116,753		$	352,646		$	943,945	$	—	$	411,488	$	181,040		$	83,804	$	999,490
Talbot	95,237			1,301,517			551,815			781,916		—		424,946		177,127			147,557		794,973
Western World	34,841			589,500			158,945			273,232		—		183,812		64,442			45,823		300,586
AlphaCat	4,060			48,534			38,961			250,072		—		44,851		26,905			34,582		263,951
Corporate & Investments and Eliminations	(4,499		)	(61,109		)	(26,318		)	—		150,385		—		(32		)	67,435		—
Total	$	209,227		$	2,995,195		$	1,076,049		$	2,249,165	$	150,385	$	1,065,097	$	449,482		$	379,201	$	2,359,000

	As at and for the year ended December 31, 2015
	Deferred Acquisition Costs			Reserve for Losses and Loss Expenses			Unearned Premiums			Net Premiums Earned		Net Investment Income		Losses and Loss Expenses		Amortization of Deferred Acquisition Costs			Other Operating Expenses		Net Premiums Written
Validus Re	$	60,459		$	1,146,869		$	294,509		$	990,213	$	—	$	457,976	$	166,387		$	88,778	$	977,671
Talbot	92,095			1,302,635			533,558			838,091		—		347,322		187,535			167,679		819,939
Western World	28,622			600,331			130,101			258,650		—		171,878		41,408			40,798		259,627
AlphaCat	2,526			11,013			24,643			159,935		—		657		16,327			39,635		171,588
Corporate & Investments and Eliminations	(2,700		)	(64,281		)	(16,601		)	—		127,824		—		(1,599		)	65,160		—
Total	$	181,002		$	2,996,567		$	966,210		$	2,246,889	$	127,824	$	977,833	$	410,058		$	402,050	$	2,228,825

	As at and for the year ended December 31, 2014
	Deferred Acquisition Costs			Reserve for Losses and Loss Expenses			Unearned Premiums			Net Premiums Earned		Net Investment Income		Losses and Loss Expenses			Amortization of Deferred Acquisition Costs			Other Operating Expenses		Net Premiums Written
Validus Re	$	59,091		$	1,333,878		$	305,138		$	917,284	$	—	$	307,290		$	141,670		$	84,478	$	954,854
Talbot	95,246			1,352,056			552,660			879,774		—		423,394			187,162			162,174		909,559
Western World	9,566			613,551			133,185			72,996		—		51,035			3,169			11,256		58,807
AlphaCat	1,281			15,278			13,060			123,001		—		(16,704		)	11,584			36,799		122,437
Corporate & Investments and Eliminations	(4,162		)	(71,616		)	(14,814		)	—		100,086		—			(4,118		)	67,728		—
Total	$	161,022		$	3,243,147		$	989,229		$	1,993,055	$	100,086	$	765,015		$	339,467		$	362,435	$	2,045,657

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Schedule IV - Reinsurance

12 Months Ended

Dec. 31, 2016

Supplemental Schedule of Reinsurance Premiums for Insurance Companies [Abstract]

Reinsurance

SCHEDULE IV

VALIDUS HOLDINGS, LTD.

REINSURANCE

For the years ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars)

	Direct gross		Ceded to other companies		Assumed from other companies		Net amount		Percentage of amount assumed to net
Year Ended December 31, 2016	$	853,885	$	289,705	$	1,794,820	$	2,359,000	76	%
Year Ended December 31, 2015	838,755		328,681		1,718,751		2,228,825		77	%
Year Ended December 31, 2014	683,028		313,208		1,675,837		2,045,657		82	%

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Schedule VI - Supplemental information for property-casualty underwriters

12 Months Ended

Dec. 31, 2016

Supplemental Information for Property, Casualty Insurance Underwriters [Abstract]

Schedule of Supplemental Information Concerning Property/Casualty Insurance Operations

SCHEDULE VI

VALIDUS HOLDINGS, LTD.

SUPPLEMENTAL INFORMATION CONCERNING PROPERTY/CASUALTY

INSURANCE OPERATIONS

As at and for the years ended December 31, 2016, 2015 and 2014

(Expressed in thousands of U.S. dollars)

Affiliation with registrant	Deferred acquisition costs		Reserves for losses and loss expenses		Reserves for unearned premiums		Net earned premiums		Net investment income		Losses and loss expenses incurred related to					Net paid losses and loss expenses		Amortization of deferred acquisition costs		Net premiums written
											Current year		Prior year
Consolidated Subsidiaries
2016	$	209,227	$	2,995,195	$	1,076,049	$	2,249,165	$	150,385	$	1,281,289	$	(216,192	)	$	1,114,402	$	449,482	$	2,359,000
2015	181,002		2,996,567		966,210		2,246,889		127,824		1,283,970		(306,137		)	1,167,839		410,058		2,228,825
2014	161,022		3,243,147		989,229		1,993,055		100,086		1,024,256		(259,241		)	1,063,653		339,467		2,045,657

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Significant accounting policies (Policies)

12 Months Ended

Dec. 31, 2016

Accounting Policies [Abstract]

Basis of preparation

These Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”). The Company consolidates in these Consolidated Financial Statements the results of operations and financial position of all voting interest entities (“VOE”) in which the Company has a controlling financial interest and all variable interest entities (“VIE”) in which the Company is considered to be the primary beneficiary. The consolidation assessment, including the determination as to whether an entity qualifies as a VIE or VOE, depends on the facts and circumstances surrounding each entity.

All significant intercompany accounts and transactions have been eliminated.

Use of estimates

The preparation of these financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. While management believes that the amounts included in the Consolidated Financial Statements reflect its best estimates and assumptions, actual results could differ from those estimates. The Company’s principal estimates include:

•reserve for losses and loss expenses;

•premium estimates for business written on a line slip or proportional basis;

•the valuation of goodwill and intangible assets;

•reinsurance recoverable balances including the provision for uncollectible amounts; and

•investment valuation of financial assets.

The term “ASC” used in these notes refers to Accounting Standard Codification issued by the United States Financial Accounting Standards Board (the “FASB”).

Premiums

Insurance premiums written are recorded in accordance with the terms of underlying policies. Reinsurance premiums written are recorded at the inception of the policy and are estimated based on information received from brokers, ceding companies and reinsureds, and any subsequent differences arising on such estimates will be recorded in the periods in which they are determined. Premiums written are earned on a pro-rated basis over the term of the policy. For contracts and policies written on a losses occurring basis, the risk period is generally the same as the contract or policy terms. For contracts written on a risks attaching basis, the risk period is based on the terms of the underlying contracts and policies and is generally assumed to be 24 months. The portion of the premiums written applicable to the unexpired terms of the underlying contracts and policies in force is recorded as unearned premiums.

Reinstatement premiums are recorded at the time a loss event occurs and coverage limits for the remaining life of the contract are reinstated under predefined contract terms. The accrual of reinstatement premiums is based on our estimate of losses and loss expenses, which reflects management’s judgment, as described in Note 3(c), “Reserve for losses and loss expenses” below.

Policy acquisition costs

Policy acquisition costs are costs that vary with, and are directly related to, the successful production of new and renewal business, and consist principally of commissions and brokerage expenses. Acquisition costs are shown net of commissions earned on reinsurance ceded. These costs are deferred and amortized over the periods in which the related premiums are earned. Deferred acquisition costs are limited to their estimated realizable value based on the related unearned premiums and anticipated claims expenses. The realizable value of the Company’s deferred acquisition costs is determined without consideration of investment income. Policy acquisition costs also include profit commissions. Profit commissions are recognized on a basis consistent with our estimate of losses and loss expenses.

Reserves for losses and loss expenses

The reserve for losses and loss expenses includes reserves for unpaid reported losses (“case reserves”) and for losses incurred but not reported (“IBNR”). Case reserves are established by management based on reports from brokers, ceding companies and insureds and represents the estimated ultimate cost of events or conditions that have been reported to, or specifically identified by, the Company. IBNR reserves are established by management based on actuarially determined estimates of ultimate losses and loss expenses. Inherent in the estimate of ultimate losses and loss expenses are expected trends in claim severity and frequency and other factors which may vary significantly as claims are settled. Accordingly, ultimate losses and loss expenses may differ materially from the amounts recorded in the Consolidated Financial Statements. These estimates are reviewed regularly and, as experience develops and new information becomes known, the reserves are adjusted as necessary. Such adjustments, if any, will be recorded in earnings in the period in which they become known. Prior period development arises from changes to these estimates recognized in the current year that relate to reserves for losses and loss expenses established in previous calendar years.

Reserves for losses and loss expenses are based in part upon the estimation of case reserves from broker, insured and ceding company reported data. The Company also uses statistical and actuarial methods to estimate ultimate expected losses and loss expenses, from which IBNR losses can be calculated. The period of time from the occurrence of a loss to the reporting of a loss to the Company and to the settlement of the Company’s liability may be several months or years. During this period, additional facts and trends may be revealed. As these factors become apparent, reserves will be adjusted, sometimes requiring an increase or decrease in the overall reserves of the Company, and at other times requiring a reallocation of incurred but not reported reserves to specific case reserves. These estimates are reviewed and adjusted regularly, and such adjustments, if any, are reflected in earnings in the period in which they become known. While management believes that it has made a reasonable estimate of ultimate losses, there can be no assurances that ultimate losses and loss expenses will not exceed this estimate.

Reinsurance

In the normal course of business, the Company seeks to reduce the potential amount of loss arising from claims events by reinsuring certain levels of risk assumed in various areas of exposure with other insurers or reinsurers. The accounting for reinsurance ceded depends on the method of reinsurance. If the policy is on a “losses occurring” basis, reinsurance premiums ceded are expensed (and any commissions thereon are earned) on a pro-rata basis over the period the reinsurance coverage is provided. If the policy is a “risks attaching” policy, reinsurance premiums ceded are expensed (and any commissions thereon are earned) in line with the earning of the gross premiums to which the risk attaching policy relates. Prepaid reinsurance premiums represent the portion of premiums ceded applicable to the unexpired term of policies in force. Mandatory reinstatement premiums ceded are recorded at the time the loss event occurs. Reinsurance recoverables are based on contracts in force at the time of the underlying loss event. The method for determining the reinsurance recoverable on unpaid losses and loss expenses involves the actuarial estimates of unpaid losses and loss expenses as well as a determination of the Company’s ability to cede unpaid losses and loss expenses under its reinsurance treaties. The use of different assumptions could have a material effect on the provision for uncollectible reinsurance. To the extent the creditworthiness of the Company’s reinsurers was to deteriorate due to adverse events affecting the reinsurance industry, such as a large number of major catastrophes, actual uncollectible amounts could be significantly greater than the Company’s provision. Amounts recoverable from reinsurers are estimated in a manner consistent with the underlying liabilities.

Investments

The Company classifies its fixed maturity and short-term investments as trading and accounts for its other investments in accordance with ASC Topic 825 “Financial Instruments.” As such, all investments are carried at fair value with interest and dividend income and realized and unrealized gains and losses included in net income for the year.

All investment transactions are recorded on a first-in-first-out basis and realized gains and losses on the sale of investments are determined on the basis of amortized cost (or cost). Interest on fixed maturity securities is recorded in net investment income when earned and includes amortization of premium or accretion of discount.

For mortgage-backed securities, and any other holdings for which there is a prepayment risk, prepayment assumptions are evaluated and revised as necessary. Any adjustments required due to the resultant change in effective yields and maturities are recognized retrospectively. Prepayment fees or call premiums that are only payable to the Company when a security is called prior to its maturity, are earned when received and reflected in net investment income.

Short-term investments primarily comprise of investments with a remaining maturity of less than one year at time of purchase and money market funds held at the Company’s investment managers. Certain short-term investments relate to funds held in trust in support of collateralized reinsurance transactions.

Restricted cash primarily relates to funds held in trust for support of collateralized reinsurance transactions.

Other investments

The fair value of other investments is generally recorded on the basis of the net asset valuation criteria established by the managers of the investments, normally based upon the governing documents of such investments. In addition, due to a lag in reporting, some of the fund managers, fund administrators, or both, are unable to provide final fund valuations as of the Company’s reporting date. In these circumstances, the Company estimates the fair value of these funds by starting with the prior month’s or prior quarter’s fund valuation, adjusting these valuations for capital calls, redemptions or distributions and the impact of changes in foreign currency exchange rates, and then estimating the return for the current period. In circumstances in which the Company estimates the return for the current period, it uses all credible information available. This includes utilizing preliminary estimates reported by its fund managers, obtaining the valuation of underlying portfolio investments where such underlying investments are publicly traded and therefore have a readily observable price, using information that is available to the Company with respect to the underlying investments, reviewing various indices for similar investments or asset classes, as well as estimating returns based on the results of similar types of investments for which the Company has reported results, or other valuation methods, as necessary. Actual final fund valuations may differ, perhaps materially so, from the Company’s estimates and these differences are recorded in the period they become known as a change in estimate.

Investments in which the Company has significant influence over the operating and financial policies of the investee are accounted for under the equity method of accounting. Under this method, the Company records its proportionate share of income or loss from such investments in its results for the period.

Fair value of financial instruments

Fair value is defined as the price received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date reflecting the highest and best use valuation concepts. ASC Topic 820 “Fair Value Measurement and Disclosure” provides a framework for measuring fair value by creating a hierarchy of fair value measurements that distinguishes market data between observable independent market inputs and unobservable market assumptions by the reporting entity. The guidance further expands disclosures about such fair value measurements. The guidance applies broadly to most existing accounting pronouncements that require or permit fair value measurements (including both financial and non-financial assets and liabilities) but does not require any new fair value measurements. The Company has adopted all authoritative guidance in effect as of the balance sheet date regarding certain market conditions that allow for fair value measurements that incorporate unobservable inputs where active market transaction based measurements are unavailable.

Derivative instruments

Fair Value Hedges

The Company uses derivative instruments in the form of foreign currency forward exchange contracts to manage foreign currency risk. A foreign currency forward exchange contract involves an obligation to purchase or sell a specified amount of a specified currency at a future date at a price set at the time of the contract. Foreign currency forward exchange contracts will not eliminate fluctuations in the value of our assets and liabilities denominated in foreign currencies but rather allow the Company to establish a rate of exchange for a future point in time. The foreign currency forward exchange contracts are recorded as derivatives at fair value as either assets or liabilities, depending on their rights or obligations, with changes in fair value recorded as a net foreign exchange gain or loss in the Company’s Statements of Income and Comprehensive Income.

To qualify for hedge accounting treatment, the derivative must be highly effective in mitigating the designated changes in fair value of the hedged item. The Company formally documents all relationships between designated hedging instruments and hedged items, as well as its risk management objective and strategy for undertaking various hedge transactions. The documentation process includes linking derivatives to specific assets or liabilities on the balance sheet. The Company also formally assesses, both at the hedge’s inception and on an ongoing basis, whether the derivatives that are used in hedging transactions are highly effective in offsetting the changes in fair value of the hedged items. The Company assesses the effectiveness of its designated hedges on an individual currency basis. If the ratio obtained with this method is within the range of 80% to 125%, the Company considers the hedge effective.

The Company discontinues hedge accounting prospectively when it is determined that the derivative is no longer highly effective in offsetting changes in the fair value of a hedged item; the derivative is de-designated as a hedging instrument; or the derivative expires or is sold, terminated or exercised. To the extent that the Company discontinues hedge accounting, because, based on management’s assessment, the derivative no longer qualifies as an effective hedge, the derivative will continue to be carried in the Consolidated Balance Sheets at its fair value, with changes in its fair value recognized in current period net income through foreign exchange gains (losses).

Cash Flow Hedges

The Company uses derivative instruments in the form of interest rate swaps to manage the interest rate exposure associated with certain assets and liabilities. These derivatives are recorded at fair value. Changes in the fair value of a derivative that is designated and qualifies as a cash flow hedge are recorded in accumulated other comprehensive income (“AOCI”) and are reclassified into earnings when the variability of the cash flow of the hedged item impacts earnings. Gains and losses on derivative contracts that are reclassified from AOCI to current period earnings are included in the line item in the Consolidated Statements of Income and Comprehensive Income in which the cash flows of the hedged item are recorded. Any hedge ineffectiveness is recorded immediately in current period earnings.

To qualify for hedge accounting treatment, a derivative must be highly effective in mitigating the designated changes in cash flow of the hedged item. The Company formally documents all relationships between designated hedging instruments and hedged items, as well as its risk management objective and strategy for undertaking various hedge transactions. The documentation process includes linking derivatives to specific assets or liabilities on the balance sheet. The Company also formally assesses, both at the hedge’s inception and on an ongoing basis, whether the derivatives that are used in hedging transactions are highly effective in offsetting the changes in cash flows of the hedged items. The Company assesses the effectiveness of its designated hedges on an individual contract basis. The Company currently applies the long haul method when assessing the hedge’s effectiveness.

The Company discontinues hedge accounting prospectively when it is determined that the derivative is no longer highly effective in offsetting changes in the cash flows of a hedged item; the derivative is de-designated as a hedging instrument; or the derivative expires or is sold, terminated or exercised. When hedge accounting is discontinued because the Company becomes aware that it is not probable that the forecasted transaction will occur, the derivative continues to be carried on the balance sheet at its fair value, and gains and losses that were included as part of AOCI are reclassified and recognized immediately in earnings.

Cash and cash equivalents

The Company considers time deposits and money market funds with an original maturity of one month or less as equivalent to cash.

Foreign exchange

The U.S. dollar is the functional currency of the Company and the majority of its subsidiaries. For these companies, monetary assets and liabilities denominated in foreign currencies are revalued at the exchange rates in effect at the balance sheet date and revenues and expenses denominated in foreign currencies are translated at the prevailing exchange rate on the transaction date with the resulting foreign exchange gains and losses included in earnings. Non-monetary assets and liabilities denominated in foreign currencies are revalued at the exchange rate in effect at the time of the underlying transaction.

Assets and liabilities of subsidiaries whose functional currency is not the U.S. dollar are translated at prevailing year end exchange rates. Revenue and expenses of such foreign operations are translated at average exchange rates during the year. The net effect of translation differences between functional and reporting currencies in foreign operations, net of applicable deferred income taxes, is included in AOCI.

Stock plans

The Company accounts for its stock plans in accordance with the ASC Topic 718 “Compensation - Stock Compensation.” Accordingly, the Company recognizes the compensation expense for stock option grants, restricted share grants and performance share awards based on the fair value of the award on the date of grant over the requisite service period.

Warrants

The Company has accounted for certain warrant contracts issued to our sponsoring investors in conjunction with the capitalization of the Company, and which may be settled by the Company using either the physical settlement or net-share settlement methods, in accordance with ASC Topic 815 “Derivatives and Hedging, Contracts in Entity’s Own Equity.” Accordingly, the fair value of these warrants has been recorded in equity as an addition to additional paid-in capital.

Earnings per share

Basic earnings per common share is calculated in accordance with ASC Topic 260 “Earnings per Share” by dividing net income available to common shareholders by the weighted average number of common shares outstanding. Earnings per diluted common share are based on the weighted average number of common shares and share equivalents excluding any anti-dilutive effects of warrants, options and other awards under stock plans.

Income taxes and uncertain tax provisions

Deferred tax assets and liabilities are recorded in accordance with ASC Topic 740 “Income Taxes.” Consistent with ASC 740, the Company records deferred income taxes which reflect operating losses and tax credits carried forward and the tax effect of the temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and their respective tax bases.

The Company and its Bermuda domiciled subsidiaries are not subject to any income, withholding or capital gains taxes under current Bermuda law. The Company has operating subsidiaries in various other jurisdictions around the world, including but not limited to the U.K., U.S., Switzerland, Luxembourg and Canada that are subject to relevant taxes in those jurisdictions.

The Company recognizes the tax benefits of uncertain tax positions only where the position is more likely than not to be sustained upon examination by tax authorities based upon the technical merits of the position. Based on the more-likely-than-not recognition threshold, we must presume that the tax position will be subject to examination by a taxing authority with full knowledge of all relevant information. If the recognition threshold is met, then the tax position is measured at the largest amount of benefit that is more than 50% likely of being realized upon ultimate settlement. The Company classifies all interest and penalties related to uncertain tax positions in income tax expenses.

Business combinations, goodwill and other intangible assets

The Company accounts for business combinations in accordance with ASC Topic 805 “Business Combinations” and goodwill and other intangible assets that arise from business combinations in accordance with ASC Topic 350 “Intangibles – Goodwill and Other.”

A purchase price paid that is in excess of the fair value of the net assets acquired (“goodwill”) arising from a business combination is recorded as an asset, and is not amortized. Where the fair value of the net assets acquired exceeds the consideration paid (“negative goodwill”), the acquirer will record a gain as a result of the bargain purchase, to be recognized through the Consolidated Statements of Income and Comprehensive Income at the close of the transaction. Other intangible assets with a finite life are amortized over the estimated useful life of the asset, whereas other intangible assets with an indefinite useful life are not amortized.

Goodwill and other intangible assets are assessed for impairment on an annual basis or more frequently if events or changes in circumstances indicate that it is more likely than not that an impairment exists. Such events or circumstances may include an economic downturn in a geographic market or change in the assessment of future operations. In performing this assessment, the Company may first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform the quantitative goodwill impairment test. Similarly, the Company may first assess qualitative factors to determine whether it is more likely than not that an other intangible asset is impaired as a basis for determining whether it is necessary to perform the quantitative impairment test. The factors assessed in making this determination included the overall insurance industry outlook, business strategy, premium rates, earnings sustainability, market capitalization and the regulatory and political environment.

If goodwill or other intangible assets are impaired, they are written down to their fair value with a corresponding expense reflected in the Consolidated Statements of Income and Comprehensive Income.

Variable interest entities

The Company determines whether it has relationships with entities defined as VIEs in accordance with ASC Topic 810 “Consolidation.” A VIE is consolidated by the variable interest holder that is determined to be the primary beneficiary.

An entity in which the Company holds a variable interest is a VIE if any of the following conditions exist: (a) the total equity investment at risk is not sufficient to permit the entity to finance its activities without additional subordinated financial support, (b) as a group, the holders of equity investment at risk lack either the direct or indirect ability through voting rights or similar rights to make decisions about an entity’s activities that most significantly impact the entity’s economic performance or the obligation to absorb the expected losses or right to receive the expected residual returns, or (c) the voting rights of some investors are disproportionate to their obligation to absorb the expected losses of the entity, their rights to receive the expected residual returns of the entity, or both and substantially all of the entity’s activities either involve or are conducted on behalf of an investor with disproportionately few voting rights.

The primary beneficiary is defined as the variable interest holder that is determined to have the controlling financial interest as a result of having both (a) the power to direct the activities of a VIE that most significantly impact the economic performance of the VIE and (b) the obligation to absorb losses or right to receive benefits from the VIE that could potentially be significant to the VIE. At inception of the VIE, as well as following an event that requires reassessment, the Company determines whether it is the primary beneficiary based on the facts and circumstances surrounding each entity.

The Company consolidates all VOEs in which it has a controlling financial interest and all VIEs in which it is considered to be the primary beneficiary.

Noncontrolling interest

The Company accounts for its noncontrolling interests in accordance with ASC Topic 810 “Consolidation.” Redeemable noncontrolling interests are presented as a mezzanine item, between liabilities and shareholders’ equity, in the Company’s Consolidated Balance Sheet and the non-redeemable noncontrolling interests are presented within shareholders’ equity in the Company’s Consolidated Balance Sheets and Consolidated Statements of Shareholders’ Equity. The net (income) loss attributable to noncontrolling interests is presented separately in the Company’s Consolidated Statements of Income and Comprehensive Income.

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Business combination (Tables)

12 Months Ended

Dec. 31, 2016

Business Combinations [Abstract]

Composition of purchase price and fair value of net assets acquired

The fair value of net assets acquired, including pro forma U.S. GAAP adjustments, are summarized as follows:

Total purchase price				$	692,305
Assets acquired
	Cash and cash equivalents	$	48,760
	Investments	1,126,185
	Receivables	37,848
	Other assets	19,418
	Tangible assets acquired			1,232,211
	Intangible asset - State licenses	$	12,325
	Intangible asset - Brand name	5,756
	Intangible asset - Distribution network	4,651
	Intangible asset - Technology	2,323
	Intangible assets acquired			$	25,055
Liabilities acquired
	Net loss reserves and paid losses recoverable	$	523,315
	Unearned premiums, net of expenses	135,686
	Other liabilities	81,464
	Liabilities acquired			740,465
Excess purchase price (goodwill) as at December 31, 2014				$	175,504
Measurement period adjustments (a)				861
Excess purchase price (goodwill) as at December 31, 2015				$	176,365

(a) During the year ended December 31, 2015, measurement period adjustments of $861 were made to certain other assets, net of taxes.

Pro forma information

The unaudited pro forma data is for informational purposes only and does not necessarily represent results that would have occurred if the transaction had taken place on the basis assumed above.

	Year Ended December 31,
	2014
(Dollars in thousands)	Unaudited
Net premiums earned	$	2,216,349
Net operating income	$	481,179
Net income	$	448,071

Summary of results of acquired company since acquisition

The following selected audited information has been provided to present a summary of the results of Western World that have been included in the Consolidated Financial Statements for the year ended December 31, 2014.

	From Acquisition Date to
(Dollars in thousands)	December 31, 2014
Net premiums written	$	58,807
Total revenue	78,325
Total expenses	(66,882		)
Net income	$	11,443

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Goodwill and other intangible assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Analysis of goodwill by segment

The following table presents a reconciliation of the beginning and ending goodwill and other intangible assets for the years ended December 31, 2016 and 2015:

	Year Ended December 31, 2016
	Goodwill						Other Intangible Assets
	Talbot		Western World		Total		With a Finite Life			With an Indefinite Life		Total
Balance, beginning of year	$	20,393	$	176,365	$	196,758	$	17,090		$	104,168	$	121,258
Amortization	—		—		—		(5,666		)	—		(5,666		)
Balance, end of year	$	20,393	$	176,365	$	196,758	$	11,424		$	104,168	$	115,592
	Year Ended December 31, 2015
	Goodwill						Other Intangible Assets
	Talbot		Western World		Total		With a Finite Life			With an Indefinite Life		Total
Balance, beginning of year	$	20,393	$	175,504	$	195,897	$	22,756		$	104,168	$	126,924
Amortization	—		—		—		(5,666		)	—		(5,666		)
Measurement period adjustments	—		861		861		—			—		—
Balance, end of year	$	20,393	$	176,365	$	196,758	$	17,090		$	104,168	$	121,258

Analysis of carrying value and accumulated amortization of intangible assets by type

The gross carrying value, accumulated amortization and net carrying value of other intangible assets by type as at December 31, 2016 and 2015 were as follows:

	December 31, 2016							December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Other intangible assets with a finite life
Trade name and customer relationships	$	18,189	$	(13,406	)	$	4,783	$	18,189	$	(12,187	)	$	6,002
Distribution network	39,831		(34,468		)	5,363		39,831		(30,485		)	9,346
Technology	2,323		(1,045		)	1,278		2,323		(581		)	1,742
Total	$	60,343	$	(48,919	)	$	11,424	$	60,343	$	(43,253	)	$	17,090
Other intangible assets with an indefinite life
Syndicate capacity	$	91,843	n/a			$	91,843	$	91,843	n/a			$	91,843
State licenses	12,325		n/a			12,325		12,325		n/a			12,325
Total	$	104,168				$	104,168	$	104,168				$	104,168

Estimated remaining amortization expense

The estimated remaining amortization expense for the Company’s other intangible assets with a finite life is as follows:

	Total Remaining Amortization Expense
2017	$	3,585
2018	1,505
2019	1,389
2020	1,041
2021	1,041
2022 and thereafter	2,863
	$	11,424

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Investments (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of Equity Method Investments [Line Items]

Amortized cost (or cost), and estimated fair value of investments

The amortized cost (or cost) and fair value of the Company’s investments as at December 31, 2016 and 2015 were as follows:

	December 31, 2016				December 31, 2015
	Amortized  Cost or Cost		Fair Value		Amortized  Cost or Cost		Fair Value
Managed investments
U.S. government and government agency	$	809,392	$	804,126	$	940,428	$	937,202
Non-U.S. government and government agency	245,651		240,791		241,549		237,968
U.S. states, municipalities and political subdivisions	271,742		271,830		299,929		301,289
Agency residential mortgage-backed securities	684,490		679,595		606,676		610,582
Non-agency residential mortgage-backed securities	15,858		15,477		27,025		26,920
U.S. corporate	1,540,036		1,534,508		1,503,614		1,489,951
Non-U.S. corporate	418,520		410,227		453,178		446,570
Bank loans	579,121		570,399		592,981		576,211
Asset-backed securities	528,563		526,814		440,363		437,124
Commercial mortgage-backed securities	333,740		330,932		263,310		260,135
Total fixed maturities	5,427,113		5,384,699		5,369,053		5,323,952
Short-term investments	228,574		228,386		237,349		237,369
Other investments
Fund of hedge funds	1,457		955		1,457		1,417
Hedge funds	11,292		17,381		14,018		20,980
Private equity investments	72,814		89,809		53,489		63,771
Fixed income investment funds	241,536		242,093		188,121		188,721
Overseas deposits	50,106		50,106		54,484		54,484
Mutual funds	2,925		5,368		4,394		7,483
Total other investments	380,130		405,712		315,963		336,856
Investments in investment affiliates (a)	84,840		100,431		69,794		87,673
Total managed investments	$	6,120,657	$	6,119,228	$	5,992,159	$	5,985,850
Non-managed investments
Catastrophe bonds	$	157,486	$	158,331	$	187,847	$	186,379
Short-term investments	2,567,784		2,567,784		1,704,266		1,704,266
Total non-managed investments	2,725,270		2,726,115		1,892,113		1,890,645
Total investments	$	8,845,927	$	8,845,343	$	7,884,272	$	7,876,495

(a) The Company’s investments in investment affiliates have been treated as equity method investments with the corresponding gains and losses recorded in

income as “Income (loss) from investment affiliates.”

Investment ratings on fixed maturities

The following table sets forth certain information regarding the investment ratings of the Company’s fixed maturity investments as at December 31, 2016 and 2015:

	December 31, 2016				December 31, 2015
	Fair Value		% of Total		Fair Value		% of Total
Managed fixed maturities
AAA	$	2,405,597	43.4	%	$	2,367,642	43.0	%
AA	538,289		9.7	%	569,386		10.3	%
A	1,081,949		19.5	%	1,031,326		18.7	%
BBB	740,861		13.4	%	691,538		12.6	%
Total investment grade managed fixed maturities	4,766,696		86.0	%	4,659,892		84.6	%
BB	213,568		3.9	%	235,724		4.3	%
B	177,737		3.2	%	179,069		3.2	%
CCC	13,371		0.2	%	5,706		0.1	%
CC	—		0.0	%	1,015		0.0	%
NR	213,327		3.8	%	242,546		4.4	%
Total non-investment grade managed fixed maturities	618,003		11.1	%	664,060		12.0	%
Total managed fixed maturities	$	5,384,699	97.1	%	$	5,323,952	96.6	%
Non-managed fixed maturities
BBB	$	—	0.0	%	$	1,911	0.0	%
Total investment grade non-managed catastrophe bonds	—		0.0	%	1,911		0.0	%
BB	29,731		0.6	%	70,962		1.3	%
B	4,524		0.1	%	30,698		0.6	%
NR	124,076		2.2	%	82,808		1.5	%
Total non-investment grade non-managed catastrophe bonds	158,331		2.9	%	184,468		3.4	%
Total non-managed fixed maturities	158,331		2.9	%	186,379		3.4	%
Total fixed maturities	$	5,543,030	100.0	%	$	5,510,331	100.0	%

Fixed maturities investments by contractual maturity

The amortized cost and estimated fair value amounts for the Company’s fixed maturity investments held at December 31, 2016 and 2015 are shown below by contractual maturity. Actual maturity may differ from contractual maturity because certain borrowers may have the right to call or prepay certain obligations with or without call or prepayment penalties.

	December 31, 2016				December 31, 2015
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Managed fixed maturities
Due in one year or less	$	350,733	$	346,161	$	367,132	$	366,019
Due after one year through five years	2,954,856		2,933,146		2,965,920		2,936,053
Due after five years through ten years	430,365		426,647		548,183		539,083
Due after ten years	128,508		125,927		150,444		148,036
	3,864,462		3,831,881		4,031,679		3,989,191
Asset-backed and mortgage-backed securities	1,562,651		1,552,818		1,337,374		1,334,761
Total managed fixed maturities	$	5,427,113	$	5,384,699	$	5,369,053	$	5,323,952
Non-managed catastrophe bonds
Due in one year or less	$	43,664	$	45,418	$	7,504	$	7,544
Due after one year through five years	112,572		111,656		165,093		163,575
Due after five years through ten years	1,250		1,257		15,250		15,260
Due after ten years	—		—		—		—
Total non-managed fixed maturities	157,486		158,331		187,847		186,379
Total fixed maturities	$	5,584,599	$	5,543,030	$	5,556,900	$	5,510,331

Other investments

The following tables set forth certain information regarding the Company’s other investments as at December 31, 2016 and 2015:

	December 31, 2016
	Fair Value		Investments with redemption restrictions		Investments without redemption restrictions		Redemption frequency (a)	Redemption notice period (a)
Fund of hedge funds	$	955	$	955	$	—
Hedge funds	17,381		17,381		—
Private equity investments	89,809		89,809		—
Fixed income investment funds	242,093		211,151		30,942		Daily	2 days
Overseas deposits	50,106		50,106		—
Mutual funds	5,368		—		5,368		Daily	Daily
Total other investments	$	405,712	$	369,402	$	36,310
	December 31, 2015
	Fair Value		Investments with redemption restrictions		Investments without redemption restrictions		Redemption frequency (a)	Redemption notice period (a)
Fund of hedge funds	$	1,417	$	1,417	$	—
Hedge funds	20,980		20,980		—
Private equity investments	63,771		63,771		—
Fixed income investment funds	188,721		167,910		20,811		Daily	2 days
Overseas deposits	54,484		54,484		—
Mutual funds	7,483		—		7,483		Daily	Daily
Total other investments	$	336,856	$	308,562	$	28,294

(a)     The redemption frequency and notice periods only apply to investments without redemption restrictions.

Net investment income

Net investment income was derived from the following sources:

	Years Ended December 31,
	2016			2015			2014
Managed investments
Fixed maturities and short-term investments	$	119,085		$	113,627		$	93,044
Other investments	27,860			13,307			5,111
Cash and cash equivalents and restricted cash	2,939			1,911			5,106
Securities lending income	55			16			11
Total gross investment income	149,939			128,861			103,272
Investment expenses	(8,221		)	(7,695		)	(7,472		)
Total managed net investment income	$	141,718		$	121,166		$	95,800
Non managed investments
Fixed maturities and short-term investments	$	6,931		$	6,528		$	4,204
Cash and cash equivalents and restricted cash	1,736			130			82
Total non-managed net investment income	8,667			6,658			4,286
Total net investment income	$	150,385		$	127,824		$	100,086

Analysis of net realized gains (losses) and the change in net unrealized (losses) gains on investments

The following table sets forth an analysis of net realized gains and the change in net unrealized gains (losses) on investments:

	Years Ended December 31,
	2016			2015			2014
Managed fixed maturities, short-term and other investments
Gross realized gains	$	22,491		$	15,678		$	20,201
Gross realized (losses)	(7,811		)	(13,980		)	(8,041		)
Net realized gains on investments	14,680			1,698			12,160
Change in net unrealized gains (losses) on investments	14,106			(32,007		)	(1,030		)
Total net realized and change in net unrealized gains (losses) on managed investments	$	28,786		$	(30,309	)	$	11,130
Non-managed fixed maturities, short-term and other investments
Gross realized gains	$	1,086		$	611		$	2,757
Gross realized (losses)	(9		)	(11		)	—
Net realized gains on investments	1,077			600			2,757
Change in net unrealized gains (losses) on investments	2,765			(388		)	(1,812		)
Total net realized and change in net unrealized gains on non-managed investments	3,842			212			945
Total net realized and change in net unrealized gains (losses) on total investments	$	32,628		$	(30,097	)	$	12,075

Investment Affiliates [Member]

Schedule of Equity Method Investments [Line Items]

Reconciliation of beginning and ending investment in affiliate balances

The following table presents a reconciliation of the Company’s beginning and ending investments in investment affiliates for the years ended December 31, 2016 and 2015:

	Years Ended December 31,
	2016			2015
Investment affiliates, beginning of year	$	87,673		$	63,506
Net capital contributions	14,841			19,886
(Loss) income from investment affiliate	(2,083		)	4,281
Investment affiliates, end of year	$	100,431		$	87,673

Schedule of equity method investments

The following table presents the Company’s investments in the partnerships as at December 31, 2016 and 2015:

	December 31, 2016
	Investment at cost		Voting ownership %		Equity ownership %		Carrying value
Aquiline II Partnership	$	46,871	—	%	8.1	%	$	61,999
Aquiline III Partnership	37,969		—	%	9.0	%	38,432
Total	$	84,840					$	100,431
	December 31, 2015
	Investment at cost		Voting ownership %		Equity ownership %		Carrying value
Aquiline II Partnership	$	55,904	—	%	8.1	%	$	73,880
Aquiline III Partnership	13,890		—	%	13.7	%	13,793
Total	$	69,794					$	87,673

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Fair value measurements (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Fair value hierarchy - allocation of investments

At December 31, 2016, the Company’s investments were allocated between Levels 1, 2 and 3 as follows:

	Level 1		Level 2		Level 3		Fair value based on NAV practical expedient		Total
Managed investments
U.S. government and government agency	$	—	$	804,126	$	—	$	—	$	804,126
Non-U.S. government and government agency	—		240,791		—		—		240,791
U.S. states, municipalities and political subdivisions	—		271,830		—		—		271,830
Agency residential mortgage-backed securities	—		679,595		—		—		679,595
Non-agency residential mortgage-backed securities	—		15,477		—		—		15,477
U.S. corporate	—		1,534,508		—		—		1,534,508
Non-U.S. corporate	—		410,227		—		—		410,227
Bank loans	—		323,903		246,496		—		570,399
Asset-backed securities	—		502,883		23,931		—		526,814
Commercial mortgage-backed securities	—		330,932		—		—		330,932
Total fixed maturities	—		5,114,272		270,427		—		5,384,699
Short-term investments	209,651		18,735		—		—		228,386
Other investments
Fund of hedge funds	—		—		—		955		955
Hedge funds	—		—		—		17,381		17,381
Private equity investments	—		—		—		89,809		89,809
Fixed income investment funds	—		30,941		12,168		198,984		242,093
Overseas deposits	—		—		—		50,106		50,106
Mutual funds	—		5,368		—		—		5,368
Total other investments	—		36,309		12,168		357,235		405,712
Investments in investment affiliates (a)	—		—		—		—		100,431
Total managed investments	$	209,651	$	5,169,316	$	282,595	$	357,235	$	6,119,228
Non-managed investments
Catastrophe bonds	$	—	$	109,956	$	48,375	$	—	$	158,331
Short-term investments	2,567,784		—		—		—		2,567,784
Total non-managed investments	2,567,784		109,956		48,375		—		2,726,115
Total investments	$	2,777,435	$	5,279,272	$	330,970	$	357,235	$	8,845,343

(a) In accordance with ASC Topic 825 “Financial Instruments,” the Company’s investments in investment affiliates have not been classified in the fair value hierarchy.

At December 31, 2015, the Company’s investments were allocated between Levels 1, 2 and 3 as follows:

	Level 1		Level 2		Level 3		Fair value based on NAV practical expedient		Total
Managed investments
U.S. government and government agency	$	—	$	937,202	$	—	$	—	$	937,202
Non-U.S. government and government agency	—		237,968		—		—		237,968
U.S. states, municipalities and political subdivisions	—		301,289		—		—		301,289
Agency residential mortgage-backed securities	—		610,582		—		—		610,582
Non-agency residential mortgage-backed securities	—		26,920		—		—		26,920
U.S. corporate	—		1,489,951		—		—		1,489,951
Non-U.S. corporate	—		446,570		—		—		446,570
Bank loans	—		343,874		232,337		—		576,211
Asset-backed securities	—		437,124		—		—		437,124
Commercial mortgage-backed securities	—		260,135		—		—		260,135
Total fixed maturities	—		5,091,615		232,337		—		5,323,952
Short-term investments	222,678		14,691		—		—		237,369
Other investments
Fund of hedge funds	—		—		—		1,417		1,417
Hedge funds	—		—		—		20,980		20,980
Private equity investments	—		—		—		63,771		63,771
Fixed income investment funds	—		20,811		—		167,910		188,721
Overseas deposits	—		—		—		54,484		54,484
Mutual funds	—		7,483		—		—		7,483
Total other investments	—		28,294		—		308,562		336,856
Investments in investment affiliates (a)	—		—		—		—		87,673
Total managed investments	$	222,678	$	5,134,600	$	232,337	$	308,562	$	5,985,850
Non-managed investments
Catastrophe bonds	$	—	$	172,879	$	13,500	$	—	$	186,379
Short-term investments	1,704,266		—		—		—		1,704,266
Total non-managed investments	1,704,266		172,879		13,500		—		1,890,645
Total investments	$	1,926,944	$	5,307,479	$	245,837	$	308,562	$	7,876,495

(a) In accordance with ASC Topic 825 “Financial Instruments,” the Company’s investments in investment affiliates have not been classified in the fair value hierarchy.

Reconciliation of investments measured at fair value on a recurring basis using Level 3 inputs

The following table presents a reconciliation of the beginning and ending balances for all investments measured at fair value on a recurring basis using Level 3 inputs during the years ended December 31, 2016 and 2015:

	Year Ended December 31, 2016
	Bank Loans			Catastrophe Bonds			Fixed Income Investment Funds		Asset Backed Securities		Total
Level 3 investments, beginning of year	$	232,337		$	13,500		$	—	$	—	$	245,837
Purchases	87,345			33,272			12,168		23,896		156,681
Sales	(2,389		)	—			—		—		(2,389		)
Settlements	(69,496		)	(125		)	—		—		(69,621		)
Change in net unrealized (losses) gains	(1,301		)	1,728			—		35		462
Level 3 investments, end of year	$	246,496		$	48,375		$	12,168	$	23,931	$	330,970

	Year Ended December 31, 2015
	Bank Loans			Catastrophe Bonds			Total
Level 3 investments, beginning of year	$	32,748		$	17,500		$	50,248
Purchases	230,070			—			230,070
Sales	(1,036		)	(3,989		)	(5,025		)
Settlements	(27,429		)	—			(27,429		)
Net realized losses	—			(11		)	(11		)
Change in net unrealized losses	(2,016		)	—			(2,016		)
Level 3 investments, end of year	$	232,337		$	13,500		$	245,837

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Variable interest entities (Tables)

12 Months Ended

Dec. 31, 2016

Variable Interest Entities Disclosure [Abstract]

Summary of notes payable to AlphaCat entities

The following tables present a reconciliation of the beginning and ending notes payable to AlphaCat investors as at December 31, 2016 and 2015:

	Year Ended December 31, 2016
	Variable Funding Notes			Structured Notes			Total
Notes payable to AlphaCat investors, beginning of year	$	75,493		$	—		$	75,493
Issuance of notes payable to AlphaCat investors	311,711			94,326			406,037
Redemption of notes payable to AlphaCat investors	(109,712		)	(94,326		)	(204,038		)
Foreign exchange gains	710			—			710
Notes payable to AlphaCat investors, end of year	$	278,202		$	—		$	278,202
	Year Ended December 31, 2015
	Variable Funding Notes			Structured Notes			Total
Notes payable to AlphaCat investors, beginning of year	$	—		$	—		$	—
Issuance of notes payable to AlphaCat investors	75,770			—			75,770
Foreign exchange losses	(277		)	—			(277		)
Notes payable to AlphaCat investors, end of year	$	75,493		$	—		$	75,493

Total assets and liabilities of the Company's consolidated VIEs

The following table presents the total assets and total liabilities of the Company’s consolidated VIEs, excluding intercompany eliminations, as at December 31, 2016 and 2015:

	December 31, 2016				December 31, 2015
	Total Assets		Total Liabilities		Total Assets		Total Liabilities
AlphaCat sidecars	$	40,041	$	3,206	$	206,581	$	14,804
AlphaCat ILS funds - Lower Risk	$	1,498,276	$	42,457	$	1,268,070	$	143,371
AlphaCat ILS funds - Higher Risk	$	972,633	$	381,332	$	522,867	$	300,122
AlphaCat Re and AlphaCat Master Fund	$	2,510,415	$	2,510,245	$	1,615,779	$	1,615,609
BetaCat ILS funds	$	82,471	$	30,663	$	64,221	$	2,472

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Noncontrolling interests (Tables)

12 Months Ended

Dec. 31, 2016

Noncontrolling Interest [Abstract]

Reconciliation of beginning and ending balances of noncontrolling interest and redeemable noncontrolling interest

The following tables present a reconciliation of the beginning and ending balances of redeemable noncontrolling interests and noncontrolling interests for the years ended December 31, 2016 and 2015:

	Redeemable Noncontrolling Interests						Noncontrolling Interests						Total
	Years Ended December 31,						Years Ended December 31,						Years Ended December 31,
	2016			2015			2016			2015			2016			2015
Balance, beginning of year	$	1,111,714		$	617,791		$	154,662		$	292,274		$	1,266,376		$	910,065
Issuance of shares	393,450			499,200			171,674			9,600			565,124			508,800
Income attributable to noncontrolling interests	100,852			71,418			22,511			21,546			123,363			92,964
Redemption of shares / Distributions	(78,015		)	(76,695		)	(182,870		)	(168,758		)	(260,885		)	(245,453		)
Balance, end of year	$	1,528,001		$	1,111,714		$	165,977		$	154,662		$	1,693,978		$	1,266,376

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Investment in operating affiliate (Tables) - Operating Affiliates

12 Months Ended

Dec. 31, 2016

Schedule of Equity Method Investments [Line Items]

Reconciliation of beginning and ending investment in affiliate balances

The following table presents a reconciliation of the beginning and ending investment in PaCRe for the years ended December 31, 2016 and 2015:

	Years Ended December 31,
	2016			2015
Operating affiliate, beginning of year	$	392		$	50,944
Return of investment	(369		)	(46,603		)
Loss from operating affiliate	(23		)	(3,949		)
Operating affiliate, end of year	$	—		$	392

Schedule of equity method investments

The following table presents the Company’s investment in PaCRe as at December 31, 2015:

	Investment at cost		Voting ownership %		Equity ownership %		Carrying value
Investment in PaCRe	$	392	100.0	%	10.0	%	$	392

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Derivative instruments (Tables)

12 Months Ended

Dec. 31, 2016

Derivative [Line Items]

Location and amount of gains and losses related to derivative instruments reported on in the comprehensive income and earnings

The following table provides the total impact on other comprehensive income (loss) and earnings relating to the derivative instruments formally designated as cash flow hedges along with the impact of the related hedged items for the years endedDecember 31, 2016, 2015 and 2014:

	Years Ended December 31,
Interest rate swap contracts	2016			2015			2014
Amount of effective portion recognized in other comprehensive income	$	10,584		$	13,740		$	13,302
Amount of effective portion subsequently reclassified to earnings	$	(10,861	)	$	(12,899	)	$	(13,074	)
Amount of ineffective portion excluded from effectiveness testing	$	277		$	(841	)	$	(228	)

Not designated as hedging instruments

Derivative [Line Items]

Location and fair value amount of derivative instruments reported on the balance sheet

The following table summarizes information on the classification and amount of the fair value of derivatives not designated as hedging instruments for accounting purposes within the Company’s Consolidated Balance Sheets as at December 31, 2016 and December 31, 2015:

	December 31, 2016						December 31, 2015
Derivatives not designated as hedging instruments	Notional Exposure		Asset Derivative at Fair Value (a)		Liability Derivative at Fair Value (a)		Notional Exposure		Asset Derivative at Fair Value (a)		Liability Derivative at Fair Value (a)
Foreign currency forward contracts	$	181,375	$	2,351	$	3,421	$	255,840	$	2,601	$	3,211

(a) Asset and liability derivatives are classified within other assets and accounts payable and accrued expenses, respectively, within the Company’s Consolidated Balance Sheets.

Location and amount of gains and losses related to derivatives reported in the income statements

The following table summarizes information on the classification and net impact on earnings, recognized in the Company’s Consolidated Statements of Income and Comprehensive Income relating to the foreign currency forward and interest rate swap contracts that were not designated as hedging instruments for accounting purposes during the years endedDecember 31, 2016, 2015 and 2014:

Derivatives not designated as hedging instruments	Classification of gains (losses) recognized in earnings	Years Ended December 31,
		2016			2015			2014
Foreign currency forward contracts	Foreign exchange gains losses	$	(1,667	)	$	(610	)	$	—
Foreign currency forward contracts	Other insurance related income and other income	$	142		$	139		$	(133	)
Interest rate swap contracts (a)	Net realized gains on investments	$	8,518		$	—		$	—

(a) Relates to net realized gains on two interest rate swap contracts which were entered into and terminated during the year ended December 31, 2016 to partially offset the impact of interest rate increases on the Company’s fixed maturity investment portfolio.

Designated as hedging instruments

Derivative [Line Items]

Location and fair value amount of derivative instruments reported on the balance sheet

The following table summarizes information on the classification and amount of the fair value of derivatives designated as hedging instruments for accounting purposes on the Consolidated Balance Sheets as at December 31, 2016 and 2015:

	December 31, 2016						December 31, 2015
Derivatives designated as hedging instruments	Notional Exposure		Asset Derivative at Fair Value (a)		Liability Derivative at Fair Value (a)		Notional Exposure		Asset Derivative at Fair Value (a)		Liability Derivative at Fair Value (a)
Interest rate swap contracts	$	552,263	$	20	$	1,479	$	552,263	$	21	$	1,942

(a) Asset and liability derivatives are classified within other assets and accounts payable and accrued expenses, respectively, within the Company’s Consolidated Balance Sheets.

Location and amount of gains and losses related to derivatives reported in the income statements

The following table provides the net impact on earnings, recognized in income within foreign exchange gains (losses), relating to the derivative instruments formally designated as fair value hedges for accounting purposes along with the impact of the related hedged items for the years endedDecember 31, 2016, 2015 and 2014:

	Years Ended December 31,
Foreign currency forward contracts	2016		2015			2014
Amount of loss recognized in income on derivative	$	—	$	(12,279	)	$	(9,651	)
Amount of gain on hedged item recognized in income attributable to risk being hedged	$	—	$	12,279		$	9,651
Amount of gain recognized in income on derivative (ineffective portion)	$	—	$	—		$	—

XML

Premiums receivable (Tables)

12 Months Ended

Dec. 31, 2016

Premiums Receivable Disclosure [Abstract]

Components of premiums receivable

The following is a breakdown of the components of premiums receivable at December 31, 2016 and 2015:

	Year Ended December 31, 2016
	Premiums in course of collection		Premiums accrued but unbilled		Total
Premiums receivable, beginning of year	$	95,152	$	563,530	$	658,682
Change during year	6,250		60,458		66,708
Premiums receivable, end of year	$	101,402	$	623,988	$	725,390

	Year Ended December 31, 2015
	Premiums in course of collection		Premiums accrued but unbilled			Total
Premiums receivable, beginning of year	$	84,901	$	621,566		$	706,467
Change during year	10,251		(58,036		)	(47,785		)
Premiums receivable, end of year	$	95,152	$	563,530		$	658,682

XML

Reserve for losses and loss expenses (Tables)

12 Months Ended

Dec. 31, 2016

Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract]

Components of reserves

The following table summarizes the total reserve for losses and loss expenses as at December 31, 2016 and 2015:

	December 31, 2016		December 31, 2015
Case reserves	$	1,237,772	$	1,278,697
IBNR	1,757,423		1,717,870
Total reserve for losses and loss expenses	$	2,995,195	$	2,996,567

Reserve for losses and loss expenses

The following table represents an analysis of paid and unpaid losses and loss expenses incurred and a reconciliation of the beginning and ending unpaid losses and loss expenses for the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
	2016			2015			2014
Reserve for losses and loss expenses, beginning of year	$	2,996,567		$	3,243,147		$	3,047,933
Loss reserves recoverable	(350,586		)	(377,466		)	(370,154		)
Net reserves for losses and loss expenses, beginning of year	2,645,981			2,865,681			2,677,779
Net reserves acquired	—			—			525,091
Increase (decrease) in net reserves for losses and loss expenses in respect of losses occurring in:
Current year	1,281,289			1,283,970			1,024,256
Prior years (a)	(216,192		)	(306,137		)	(259,241		)
Total incurred losses and loss expenses (a)	1,065,097			977,833			765,015
Less net losses and loss expenses paid in respect of losses occurring in:
Current year	(389,234		)	(326,167		)	(245,084		)
Prior years	(725,168		)	(841,672		)	(818,569		)
Total net paid losses	(1,114,402		)	(1,167,839		)	(1,063,653		)
Foreign exchange gain	(31,902		)	(29,694		)	(38,551		)
Net reserve for losses and loss expenses, end of year	2,564,774			2,645,981			2,865,681
Loss reserves recoverable	430,421			350,586			377,466
Reserve for losses and loss expenses, end of year	$	2,995,195		$	2,996,567		$	3,243,147

Incurred losses and loss expenses comprise:

	Years Ended December 31,
	2016			2015			2014
Gross losses and loss expenses (a)	$	1,257,054		$	1,083,695		$	826,826
Reinsurance balances recoverable	(191,957		)	(105,862		)	(61,811		)
Net incurred losses and loss expenses (a)	$	1,065,097		$	977,833		$	765,015

(a) Upon closing the acquisition of Western World, an adjustment of $15,586 was made to increase net reserves to reflect fair value. This adjustment was fully amortized to income through a reduction in losses and loss expenses of $10,979 and $4,607 during the years ended December 31, 2015 and 2014, respectively

Prior year development by segment and line of business

The net favorable development on prior accident years by segment and line of business for the years endedDecember 31, 2016, 2015 and 2014 was as follows:

	Year Ended December 31, 2016
	Property			Marine			Specialty			Liability			Total
Validus Re	$	(57,888	)	$	(24,435	)	$	(36,210	)	$	—		$	(118,533	)
Talbot	(38,368		)	(11,738		)	(35,704		)	—			(85,810		)
Western World	(2,701		)	—			—			(6,411		)	(9,112		)
AlphaCat	(1,858		)	—			(879		)	—			(2,737		)
Net favorable development	$	(100,815	)	$	(36,173	)	$	(72,793	)	$	(6,411	)	$	(216,192	)

The Validus Re segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses along with favorable development on the 2015 Chilean Earthquake and 2015 Tianjin port explosion loss events partially offset by adverse development on events in the marine lines primarily related to receipt of a loss advice on an individual marine policy that incepted during the second half of 2015. The Talbot segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses partially offset by adverse development on events in the marine lines primarily related to receipt of a loss advice on an individual marine policy that incepted during the second half of 2015. The Western World segment experienced favorable development on prior accident years principally due to favorable development on attritional losses.

	Year Ended December 31, 2015
	Property			Marine			Specialty			Liability			Total (a)
Validus Re	$	(70,343	)	$	(39,460	)	$	(18,813	)	$	—		$	(128,616	)
Talbot	(52,393		)	(63,920		)	(30,044		)	—			(146,357		)
Western World (a)	(6,045		)	—			—			(16,922		)	(22,967		)
AlphaCat	(8,197		)	—			—			—			(8,197		)
Net favorable development (a)	$	(136,978	)	$	(103,380	)	$	(48,857	)	$	(16,922	)	$	(306,137	)

The Validus Re segment experienced favorable development on prior accident years primarily due to favorable development on Superstorm Sandy, a 2012 loss event, and attritional losses. The Talbot segment experienced favorable development on prior accident years primarily due to favorable development on attritional losses and certain events, including the Thailand floods, which was a 2011 loss event. The Western World segment experienced favorable development on prior accident years primarily due to the amortization of the fair value adjustment made at the acquisition date as well as favorable development on attritional losses.

	Year Ended December 31, 2014
	Property			Marine			Specialty			Liability			Total
Validus Re	$	(76,064	)	$	(6,830	)	$	(4,706	)	$	—		$	(87,600	)
Talbot	(53,779		)	(31,397		)	(55,990		)	—			(141,166		)
Western World (a)	1,023			—			—			(12,263		)	(11,240		)
AlphaCat	(19,235		)	—			—			—			(19,235		)
Net favorable development (a)	$	(148,055	)	$	(38,227	)	$	(60,696	)	$	(12,263	)	$	(259,241	)

(a) Upon closing the acquisition of Western World, an adjustment of $15,586 was made to increase net reserves to reflect fair value. This adjustment was fully amortized to income through a reduction in losses and loss expenses of $10,979 and $4,607 during the years ended December 31, 2015 and 2014, respectively.

Claims development table

Validus Re - Property
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	397,635	$	321,956	$	309,344	$	282,517	$	280,411	$	19,108	n/a
2013			174,722		156,233		141,203		132,830		7,233		n/a
2014					108,206		102,273		95,392		6,757		n/a
2015							154,923		118,484		41,177		n/a
2016									149,263		86,564		n/a
							Total		$	776,380
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	67,004		149,433		202,141		225,518		234,256
2013			17,325		63,974		101,158		114,263
2014					25,346		63,415		78,509
2015							16,029		57,882
2016									26,522
							Total		$	511,432
Reserves for losses and loss expenses, before 2012, net of reinsurance (a)									$	154,539
	Reserves for losses and loss expenses, net of reinsurance								$	419,487

(a) Includes reserves for losses and loss expenses, net of reinsurance, of $77,790 and $10,614 related to Flagstone and IPC, respectively.

Validus Re - Marine
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	195,163	$	226,817	$	225,131	$	218,734	$	216,673	$	19,725	n/a
2013			76,776		74,022		63,630		61,210		7,347		n/a
2014					63,732		42,991		35,910		7,418		n/a
2015							129,864		119,490		55,557		n/a
2016									68,531		49,619		n/a
							Total		$	501,814
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	11,356		94,052		148,628		169,420		178,172
2013			11,784		28,996		39,493		44,512
2014					7,013		11,749		17,383
2015							3,723		16,180
2016									8,801
							Total		$	265,048
Reserves for losses and loss expenses, before 2012, net of reinsurance (a)									$	64,750
	Reserves for losses and loss expenses, net of reinsurance								$	301,516

(a) Includes reserves for losses and loss expenses, net of reinsurance, of $15,178 and $1,537 related to Flagstone and IPC, respectively.

Validus Re - Specialty
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	53,798	$	54,573	$	49,263	$	47,428	$	46,626	$	733	n/a
2013			182,297		190,470		178,736		174,219		1,974		n/a
2014					213,911		208,508		200,649		8,372		n/a
2015							296,554		279,766		32,236		n/a
2016									295,872		128,761		n/a
							Total		$	997,132
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	$	17,716	$	41,156	$	44,037	$	44,942	$	45,332
2013			99,340		157,688		164,366		166,814
2014					95,765		162,056		176,202
2015							177,776		235,819
2016									149,502
							Total		$	773,669
Reserves for losses and loss expenses, before 2012, net of reinsurance (a)									$	67,909
	Reserves for losses and loss expenses, net of reinsurance								$	291,372

(a) Includes reserves for losses and loss expenses, net of reinsurance, of $41,091 and $5,743 related to Flagstone and IPC, respectively.

(ii)Talbot

The Talbot loss development tables have been produced by line of business for accident years 2012 through to 2016. The Company determined that it was impracticable to produce IBNR by accident year for years prior to 2012 as the Company did not record this data for years prior to 2012 and as such, did not allocate IBNR by line of business for these years. Talbot writes treaty reinsurance business along with business through binders and lineslips and for this business the Company does not receive or maintain claims count information associated with its reserved losses therefore, the Company has determined that it is impracticable to provide claims count information.

Talbot - Property
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	135,923	$	112,488	$	100,748	$	101,387	$	100,773	$	2,413	n/a
2013			118,167		96,814		83,426		81,004		605		n/a
2014					147,259		121,260		114,852		5,528		n/a
2015							138,087		109,608		12,696		n/a
2016									177,771		76,755		n/a
							Total		$	584,008
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	$	13,051	$	61,490	$	83,824	$	88,150	$	92,512
2013			12,813		48,231		67,328		73,267
2014					21,249		74,493		95,945
2015							24,537		63,437
2016									37,880
							Total		$	363,041
Reserves for losses and loss expenses, before 2012, net of reinsurance									$	12,180
	Reserves for losses and loss expenses, net of reinsurance								$	233,147

Talbot - Marine
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	208,883	$	203,855	$	186,278	$	182,283	$	178,839	$	5,154	n/a
2013			189,091		188,991		168,203		161,839		11,372		n/a
2014					180,401		155,361		154,105		13,671		n/a
2015							187,790		192,818		54,285		n/a
2016									159,153		89,536		n/a
							Total		$	846,754
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	$	36,491	$	105,600	$	136,335	$	153,550	$	157,475
2013			38,416		88,494		112,781		125,037
2014					24,433		74,547		102,788
2015							25,300		73,957
2016									35,105
							Total		$	494,362
Reserves for losses and loss expenses, before 2012, net of reinsurance									$	44,753
	Reserves for losses and loss expenses, net of reinsurance								$	397,145

Talbot - Specialty
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,										December 31, 2016
Accident Year	2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<-------------------------- Unaudited --------------------------->
2012	$	151,306	$	132,735	$	122,760	$	120,621	$	118,869	$	5,886	n/a
2013			166,450		145,905		132,797		124,208		8,724		n/a
2014					215,960		214,962		198,653		39,248		n/a
2015							152,907		149,031		39,447		n/a
2016									166,604		105,142		n/a
							Total		$	757,365
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2012		2013		2014		2015		2016
	<-------------------------- Unaudited --------------------------->
2012	$	25,591	$	57,906	$	83,201	$	87,753	$	105,888
2013			42,325		77,428		91,940		100,213
2014					41,183		107,882		135,526
2015							35,724		85,397
2016									33,468
							Total		$	460,492
Reserves for losses and loss expenses, before 2012, net of reinsurance									$	45,486
	Reserves for losses and loss expenses, net of reinsurance								$	342,359

(iii)Western World

The Western World loss development tables have been produced by line of business for accident years 2007 through to 2016. The Company has accumulated claims count information by accident year for Western World. The Company’s methodology for determining reported claims count information is on a per claims basis by accident year and is inclusive of claims that are open, closed with payment and closed without payment.

Western World - Property
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,																				December 31, 2016
Accident Year	2007		2008		2009		2010		2011		2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<------------------------------------------------- Unaudited -------------------------------------------------->
2007	$	8,520	$	8,161	$	8,218	$	8,209	$	8,209	$	8,206	$	8,206	$	8,207	$	8,207	$	8,207	$	—	841
2008			12,094		11,615		11,805		11,762		11,729		11,721		11,724		11,724		11,724		—		412
2009					10,300		10,005		10,039		10,034		10,060		10,060		10,060		10,060		—		784
2010							11,846		11,573		11,507		11,414		11,448		11,438		11,332		—		974
2011									12,588		12,223		12,000		12,134		12,012		12,021		—		1,238
2012											15,506		15,491		15,594		15,556		15,522		—		1,680
2013													21,825		23,561		23,659		23,599		—		1,950
2014															35,612		29,282		28,619		103		2,393
2015																	27,879		26,002		135		1,788
2016																			46,636		9,324		1,587
																	Total		$	193,722
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2007		2008		2009		2010		2011		2012		2013		2014		2015		2016
	<------------------------------------------------- Unaudited -------------------------------------------------->
2007	$	5,418	$	7,968	$	8,192	$	8,206	$	8,206	$	8,206	$	8,206	$	8,207	$	8,207	$	8,207
2008			8,895		11,288		11,672		11,747		11,714		11,721		11,724		11,724		11,724
2009					8,096		9,948		9,942		10,003		10,060		10,060		10,060		10,060
2010							8,563		10,521		10,905		10,854		10,882		10,903		11,287
2011									9,797		12,000		11,976		12,027		12,009		12,021
2012											11,166		14,838		15,435		15,513		15,522
2013													15,568		22,647		23,104		23,561
2014															21,913		27,211		27,606
2015																	18,981		25,302
2016																			29,666
																	Total		$	174,956
	Reserves for losses and loss expenses, before 2007, net of reinsurance																		$	—
	Reserves for losses and loss expenses, net of reinsurance																		$	18,766

Western World - Liability
	Incurred Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,																				December 31, 2016
Accident Year	2007		2008		2009		2010		2011		2012		2013		2014		2015		2016		Total of IBNR Reserves Plus Expected Development on Reported Losses		Cumulative Reported Claims Count
	<------------------------------------------------- Unaudited -------------------------------------------------->
2007	$	164,717	$	162,239	$	160,117	$	158,478	$	154,499	$	152,163	$	149,994	$	107,894	$	107,350	$	106,342	$	1,981	$	4.727
2008			135,009		135,280		135,330		133,088		131,006		129,559		102,424		102,070		101,478		2,075		4,950
2009					116,474		116,780		116,990		116,463		116,327		98,261		96,235		95,266		2,173		3,955
2010							101,223		108,823		111,675		112,072		105,400		106,066		103,973		3,877		4,205
2011									101,091		107,741		107,827		109,412		109,183		108,301		4,627		4,372
2012											108,981		111,283		133,990		132,562		127,486		9,410		4,649
2013													132,077		165,233		164,428		158,329		17,049		5,990
2014															197,022		197,388		203,592		44,988		7,469
2015																	154,184		158,591		76,092		5,152
2016																			133,303		104,906		3,156
																	Total		$	1,296,661
	Cumulative Paid Losses and Loss Expenses, Net of Reinsurance
	Years Ended December 31,
Accident Year	2007		2008		2009		2010		2011		2012		2013		2014		2015		2016
	<------------------------------------------------- Unaudited -------------------------------------------------->
2007	$	10,723	$	30,741	$	58,358	$	80,218	$	91,020	$	96,658	$	99,978	$	102,600	$	103,961	$	104,038
2008			8,654		28,467		51,165		71,239		82,661		89,433		93,563		95,773		97,475
2009					10,023		30,131		48,255		65,009		77,895		85,644		89,688		90,415
2010							8,215		28,393		51,765		71,430		84,320		92,889		96,309
2011									7,331		27,438		50,197		75,000		88,415		96,780
2012											8,823		31,291		65,437		92,499		108,409
2013													10,159		41,782		77,776		108,613
2014															16,468		52,543		98,848
2015																	12,662		39,598
2016																			9,873
																	Total		$	850,358
	Reserves for losses and loss expenses, before 2007, net of reinsurance																		$	8,944
	Reserves for losses and loss expenses, net of reinsurance																		$	455,247

Reconciliation of claims development to liability

The table below reconciles the loss development information to the Company’s reserves for losses and loss expenses as at December 31, 2016:

	December 31, 2016
Reserves for losses and loss expenses, net of reinsurance
Validus Re - Property	$	419,487
Validus Re - Marine	301,516
Validus Re - Specialty	291,372
Talbot - Property	233,147
Talbot - Marine	397,145
Talbot - Specialty	342,359
Western World - Property	18,766
Western World - Liability	455,247
Total reserves for losses and loss expenses, net of reinsurance	2,459,039
Loss reserves recoverable
Validus Re - Property	42,873
Validus Re - Marine	52,970
Validus Re - Specialty	2,162
Talbot - Property	93,774
Talbot - Marine	125,677
Talbot - Specialty	86,587
Western World - Property	187
Western World - Liability	87,300
Elimination - Intercompany	(61,109		)
Total loss reserves recoverable	430,421
Unallocated loss adjustment expenses	51,990
Provisions for uncollectible reinsurance	5,153
Reserves for losses and loss expenses - AlphaCat segment	48,534
Other	58
Total reserves for losses and loss expenses	$	2,995,195

Historical loss duration

The below table summarizes the historic average annual percentage payout of incurred losses by age, net of reinsurance, as of December 31, 2016:

	Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance
	December 31, 2016
	Year 1		Year 2		Year 3		Year 4		Year 5		Year 6		Year 7		Year 8		Year 9		Year 10
Validus Re - Property	19.0	%	34.9	%	20.9	%	9.1	%	3.1	%	n/a		n/a		n/a		n/a		n/a
Validus Re - Marine	12.0	%	22.5	%	19.3	%	8.9	%	4.0	%	n/a		n/a		n/a		n/a		n/a
Validus Re - Specialty	51.4	%	34.4	%	5.7	%	1.7	%	0.8	%	n/a		n/a		n/a		n/a		n/a
Talbot - Property	18.2	%	43.4	%	21.5	%	5.8	%	4.3	%	n/a		n/a		n/a		n/a		n/a
Talbot - Marine	19.0	%	31.8	%	16.8	%	8.6	%	2.2	%	n/a		n/a		n/a		n/a		n/a
Talbot - Specialty	24.1	%	30.6	%	15.6	%	5.2	%	15.3	%	n/a		n/a		n/a		n/a		n/a
Western World - Property	73.1	%	22.4	%	2.0	%	0.5	%	0.1	%	0.1	%	0.9	%	—	%	—	%	—	%
Western World - Liability	8.1	%	18.9	%	22.9	%	20.1	%	12.0	%	7.2	%	3.7	%	1.8	%	1.5	%	0.1	%

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Accounts payable and accrued expenses (Tables)

12 Months Ended

Dec. 31, 2016

Accounts Payable and Accrued Liabilities [Abstract]

Components of accounts payable and accrued expenses

The following are the components of accounts payable and accrued expenses:

	December 31, 2016		December 31, 2015
Accrued interest on debt	$	10,286	$	10,771
Subscriptions received in advance on AlphaCat ILS funds and sidecars	326,900		412,036
Redemptions/distributions payable to noncontrolling interests	87,674		10,800
Structured notes payable to AlphaCat investors	1,000		—
Accrued income attributable to AlphaCat investors	17,068		2,412
Income tax payable	1,036		8,856
Accrued pension liability	16,979		15,722
Trade and compensation payables	126,705		166,734
Total accounts payable and accrued expenses	$	587,648	$	627,331

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Reinsurance (Tables)

12 Months Ended

Dec. 31, 2016

Reinsurance Disclosures [Abstract]

ScheduleOfReinsuranceRecoverable [Table Text Block]

The Company’s reinsurance balances recoverable at December 31, 2016 and 2015 were as follows:

	December 31, 2016		December 31, 2015
Loss reserves recoverable on unpaid:
Case reserves	$	165,328	$	135,723
IBNR	265,093		214,863
Total loss reserves recoverable	430,421		350,586
Paid losses recoverable	35,247		23,071
Total reinsurance recoverable	$	465,668	$	373,657

Effects of reinsurance on premiums written and earned

The effects of reinsurance on premiums written and earned for the years ended December 31, 2016, 2015 and 2014 were as follows:

	Year Ended December 31, 2016
	Validus Re						Talbot						Western World						AlphaCat						Eliminations						Total
	Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned
Treaty reinsurance	$	1,111,054		$	1,060,117		$	146,296		$	115,828		$	—		$	—		$	270,402		$	256,085		$	(26,673	)	$	(23,035	)	$	1,501,079		$	1,408,995
Facultative reinsurance	—			—			293,741			307,351			—			—			—			—			—			—			293,741			307,351
Direct	—			—			530,665			529,265			323,220			294,376			—			—			—			—			853,885			823,641
Ceded	(111,564		)	(116,172		)	(175,729		)	(170,528		)	(22,634		)	(21,144		)	(6,451		)	(6,013		)	26,673			23,035			(289,705		)	(290,822		)
Total	$	999,490		$	943,945		$	794,973		$	781,916		$	300,586		$	273,232		$	263,951		$	250,072		$	—		$	—		$	2,359,000		$	2,249,165

	Year Ended December 31, 2015
	Validus Re						Talbot						Western World						AlphaCat						Eliminations						Total
	Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned
Treaty reinsurance	$	1,126,759		$	1,141,184		$	133,273		$	136,796		$	—		$	—		$	176,126		$	164,544		$	(42,718	)	$	(45,115	)	$	1,393,440		$	1,397,409
Facultative reinsurance	—			—			325,311			330,472			—			—			—			—			—			—			325,311			330,472
Direct	—			—			560,251			570,669			278,504			281,587			—			—			—			—			838,755			852,256
Ceded	(149,088		)	(150,971		)	(198,896		)	(199,846		)	(18,877		)	(22,937		)	(4,538		)	(4,609		)	42,718			45,115			(328,681		)	(333,248		)
Total	$	977,671		$	990,213		$	819,939		$	838,091		$	259,627		$	258,650		$	171,588		$	159,935		$	—		$	—		$	2,228,825		$	2,246,889

	Year Ended December 31, 2014
	Validus Re						Talbot						Western World						AlphaCat						Eliminations						Total
	Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned			Written			Earned
Treaty reinsurance	$	1,118,532		$	1,109,659		$	149,079		$	163,382		$	—		$	—		$	126,785		$	126,534		$	(53,457	)	$	(60,912	)	$	1,340,939		$	1,338,663
Facultative reinsurance	—			—			334,898			345,252			—			—			—			—			—			—			334,898			345,252
Direct	—			—			617,793			576,136			65,235			80,838			—			—			—			—			683,028			656,974
Ceded	(163,678		)	(192,375		)	(192,211		)	(204,996		)	(6,428		)	(7,842		)	(4,348		)	(3,533		)	53,457			60,912			(313,208		)	(347,834		)
Total	$	954,854		$	917,284		$	909,559		$	879,774		$	58,807		$	72,996		$	122,437		$	123,001		$	—		$	—		$	2,045,657		$	1,993,055

Reinsurance recoverables by reinsurer

Reinsurance recoverables by reinsurer as at December 31, 2016 and 2015 were as follows:

	December 31, 2016				December 31, 2015
	Reinsurance Recoverable		% of Total		Reinsurance Recoverable		% of Total
Top 10 reinsurers	$	395,308	84.9	%	$	303,108	81.1	%
Other reinsurers’ balances > $1 million	66,944		14.4	%	61,222		16.4	%
Other reinsurers’ balances < $1 million	3,416		0.7	%	9,327		2.5	%
Total	$	465,668	100.0	%	$	373,657	100.0	%

	December 31, 2016
Top 10 Reinsurers	Rating	Reinsurance Recoverable		% of Total
Lloyd's Syndicates	A+	$	84,419	18.2	%
Swiss Re	AA-	84,044		18.1	%
Fully collateralized reinsurers	NR	83,088		17.8	%
Hannover Re	AA-	50,603		10.9	%
Everest Re	A+	36,912		7.9	%
Munich Re	AA-	18,214		3.9	%
Transatlantic Re	A+	10,593		2.3	%
Hamilton Re	A-	10,343		2.2	%
Toa Re	A+	9,510		2.0	%
National Indemnity Company	AA+	7,582		1.6	%
Total		$	395,308	84.9	%

NR: Not rated

	December 31, 2015
Top 10 Reinsurers	Rating	Reinsurance Recoverable		% of Total
Swiss Re	AA-	$	83,048	22.2	%
Lloyd's Syndicates	A+	66,356		17.8	%
Hannover Re	AA-	43,765		11.7	%
Everest Re	A+	43,060		11.5	%
Munich Re	AA-	18,707		5.0	%
Transatlantic Re	A+	11,923		3.2	%
Hamilton Re	A-	10,898		2.9	%
National Indemnity Company	AA+	10,293		2.8	%
XL Re	A+	8,728		2.3	%
Toa Re	A+	6,330		1.7	%
Total		$	303,108	81.1	%

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Share capital (Tables)

12 Months Ended

Dec. 31, 2016

Stockholders' Equity Note [Abstract]

Summary of preferred shares issued and outstanding

The following table is a summary of the Preferred shares issued and outstanding:

	Preferred Shares
Preferred shares issued and outstanding, beginning of year	—
Preferred shares issued	6,000
Preferred shares issued and outstanding, end of year	6,000

Summary of common shares issued and outstanding

The following table is a summary of the common shares issued and outstanding during the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
	2016		2015		2014
Common shares issued, beginning of year	160,570,772		155,554,224		154,488,497
Restricted share awards vested, net of shares withheld	612,100		614,945		615,659
Restricted share units vested, net of shares withheld	18,486		13,260		10,265
Options exercised	30,530		782,465		412,656
Warrants exercised	—		3,593,715		—
Direct issuance of common stock	—		639		1,380
Performance shares vested, net of shares withheld	48,088		11,524		25,767
Common shares issued, end of year	161,279,976		160,570,772		155,554,224
Treasury shares, end of year	(82,147,724	)	(77,670,155	)	(71,684,379	)
Common shares outstanding, end of year	79,132,252		82,900,617		83,869,845

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Stock plans (Tables)

12 Months Ended

Dec. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Options, activity during the period

Activity with respect to options for the year ended December 31, 2016 was as follows:

	Options		Weighted Average Grant Date Fair Value		Weighted Average Grant Date Exercise Price		Total Intrinsic Value (a)		Company Proceeds Received
Options outstanding, beginning of year	65,401		$	7.74	$	20.17
Options exercised	(39,265	)	8.37		17.96		$	1,260	$	277
Options outstanding, end of year	26,136		$	6.78	$	23.48

Activity with respect to options for the year ended December 31, 2015 was as follows:

	Options		Weighted Average Grant Date Fair Value		Weighted Average Grant Date Exercise Price		Total Intrinsic Value (a)		Company Proceeds Received
Options outstanding, beginning of year	1,160,057		$	7.12	$	17.74
Options exercised	(1,094,656	)	7.09		17.60		$	26,367	$	6,277
Options outstanding, end of year	65,401		$	7.74	$	20.17

Activity with respect to options for the year ended December 31, 2014 was as follows:

	Options		Weighted Average Grant Date Fair Value		Weighted Average Grant Date Exercise Price		Total Intrinsic Value (a)		Company Proceeds Received
Options outstanding, beginning of year	1,572,713		$	6.66	$	18.88
Options exercised	(412,656	)	5.36		22.07		$	7,459	$	9,107
Options outstanding, end of year	1,160,057		$	7.12	$	17.74

(a) The total intrinsic value in the tables above represent the amount by which the market price of the Company’s common stock is greater than the option strike price multiplied by the number of options exercised during the year.

Restricted share awards, activity during the period

Activity with respect to unvested restricted share awards for the years ended December 31, 2016, 2015 and 2014 was as follows:

	Years Ended December 31,
	2016				2015				2014
	Restricted Share Awards		Weighted Average Grant Date Fair Value		Restricted Share Awards		Weighted Average Grant Date Fair Value		Restricted Share Awards		Weighted Average Grant Date Fair Value
Restricted share awards outstanding, beginning of year	2,739,446		$	38.25	2,858,711		$	35.81	2,684,745		$	33.74
Restricted share awards granted	564,345		48.83		724,357		43.67		1,051,348		37.81
Restricted share awards vested	(796,716	)	37.40		(788,758	)	34.41		(797,446	)	31.44
Restricted share awards forfeited	(37,093	)	41.27		(54,864	)	38.14		(79,936	)	36.09
Restricted share awards outstanding, end of year	2,469,982		$	40.89	2,739,446		$	38.25	2,858,711		$	35.81

Restricted share unit awards, activity during the period

Activity with respect to unvested restricted share units for the years ended December 31, 2016, 2015 and 2014 was as follows:

	Years Ended December 31,
	2016				2015				2014
	Restricted Share Units		Weighted Average Grant Date Fair Value		Restricted Share Units		Weighted Average Grant Date Fair Value		Restricted Share Units		Weighted Average Grant Date Fair Value
Restricted share units outstanding, beginning of year	114,337		$	38.47	103,484		$	36.54	66,518		$	33.74
Restricted share units granted	27,609		50.03		28,057		42.91		53,025		38.10
Restricted share units vested	(23,982	)	38.18		(19,455	)	34.58		(18,325	)	30.71
Restricted share units issued in lieu of cash dividends	3,182		39.36		3,143		37.53		2,266		35.00
Restricted share units forfeited	(8,338	)	44.34		(892	)	35.42		—		—
Restricted share units outstanding, end of year	112,808		$	40.95	114,337		$	38.47	103,484		$	36.54

Performance share awards, activity during the period

Activity with respect to unvested performance share awards for the years ended December 31, 2016, 2015, and 2014 was as follows:

	Years Ended December 31,
	2016				2015				2014
	Performance Share Awards		Weighted Average Grant Date Fair Value		Performance Share Awards		Weighted Average Grant Date Fair Value		Performance Share Awards		Weighted Average Grant Date Fair Value
Performance share awards outstanding, beginning of year	172,594		$	40.70	106,369		$	36.03	101,820		$	33.56
Performance share awards granted	125,290		48.75		81,569		45.03		52,639		37.33
Performance share awards vested	(57,581	)	36.11		(15,344	)	31.38		(32,746	)	32.62
Performance share awards conversion adjustment	45,517		36.82		—		—		(15,344	)	31.38
Performance share awards outstanding, end of year	285,820		$	44.53	172,594		$	40.70	106,369		$	36.03

Total share compensation expenses

The breakdown of share compensation expenses by award type is as follows:

	Years Ended December 31,
	2016		2015		2014
Restricted share awards	$	36,887	$	35,386	$	31,335
Restricted share units	1,285		1,160		876
Performance share awards	4,735		1,795		862
Total	$	42,907	$	38,341	$	33,073

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Retirement and pension plans (Tables)

12 Months Ended

Dec. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Summary of assumptions used to determine net periodic pension expense and benefit obligations

The assumptions used to determine net periodic pension expense for the years ended December 31, 2016 and 2015 are as follows:

	Years Ended December 31,
	2016		2015
Discount rate	3.50	%	2.75	%
Increase in compensation levels rate	5.00	%	5.00	%

The assumptions used to determine benefit obligations as at December 31, 2016 and 2015 are as follows:

	December 31, 2016		December 31, 2015
Discount rate	4.00	%	4.00	%
Increase in compensation levels rate	5.00	%	5.00	%

Analysis of the funded status and amounts recognized for defined benefit plans

The following tables present a reconciliation of the beginning and ending funded status and the net amounts recognized for the defined benefit plans for the years ended December 31, 2016 and 2015:

	Years Ended December 31,
	2016			2015
Change in benefit obligation
Projected benefit obligation, beginning of year	$	15,722		$	16,493
Service cost	1,026			1,024
Interest cost	594			434
Actuarial losses (gains)	1,473			(46		)
Benefit payments	(98		)	(98		)
Settlements	(1,738		)	(2,085		)
Projected benefit obligation, end of year	$	16,979		$	15,722
Change in plan assets
Fair value of plan assets, beginning of year	$	—		$	—
Employer contributions	1,836			2,186
Benefit payments	(98		)	(98		)
Settlements	(1,738		)	(2,088		)
Fair value of plan assets, end of year	—			—
Funded status at end of year	$	(16,979	)	$	(15,722	)
Net amount recognized in accounts payable and accrued expenses	$	(16,979	)	$	(15,722	)
Amounts recognized in accumulated other comprehensive loss consist of
Net loss (gain)	$	226		$	(517	)
Prior service credit	6			4
Net amount recognized	$	232		$	(513	)
	December 31, 2016			December 31, 2015
Projected benefit obligation	$	16,979		$	15,722
Accumulated benefit obligation	$	13,480		$	13,308
Fair value of plan assets	$	—		$	—

Components of net periodic pension expense

The components of net periodic pension expense for the years ended December 31, 2016 and 2015 are as follows:

	Years Ended December 31,
	2016			2015
Service cost	$	1,026		$	1,024
Interest cost	594			434
Amortization of prior service cost	(2		)	(2		)
Amortization of net loss	374			312
Net periodic benefit cost	1,992			1,768
Settlement loss	356			484
Net periodic pension expense	$	2,348		$	2,252

Summary of other changes in plan assets and benefit obligations recognized in other comprehensive income

Other changes in plan assets and benefit obligations recognized in other comprehensive loss for the years ended December 31, 2016 and 2015 are as follows:

	Years Ended December 31,
	2016			2015
Net loss (gain)	$	1,473		$	(43	)
Amortization of loss	(374		)	(312		)
Amortization of prior service cost	2			2
Settlement loss	(356		)	(484		)
Total recognized in other comprehensive loss	$	745		$	(837	)
Total recognized in net pension expense and other comprehensive loss (before tax effects)	$	3,093		$	1,415

Summary of expected benefit payments

As at December 31, 2016, the projected benefits are as follows:

	December 31, 2016
2017	$	2,740
2018	7,072
2019	92
2020	2,665
2021	83
2022-2026	5,449
Total benefit payments required	$	18,101

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Debt and financing arrangements (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Schedule outstanding debentures and senior notes payable

The Company’s outstanding debentures and senior notes payable as at December 31, 2016 and 2015 were as follows:

	December 31, 2016			December 31, 2015
Deferrable debentures
2006 Junior Subordinated	$	150,000		$	150,000
2007 Junior Subordinated	139,800			139,800
Flagstone 2006 Junior Subordinated	133,676			134,118
Flagstone 2007 Junior Subordinated	113,750			113,750
Total debentures payable	537,226			537,668
2010 Senior notes payable	250,000			250,000
Less: Unamortized debt issuance costs	(4,638		)	(4,839		)
Total senior notes payable	245,362			245,161
Total debentures and senior notes payable	$	782,588		$	782,829

Summary of outstanding credit and other facilities

The Company’s outstanding credit and other facilities as at December 31, 2016 and 2015 were as follows:

	December 31, 2016				December 31, 2015
	Commitment		Drawn and outstanding		Commitment		Drawn and outstanding
Credit and other facilities
$85,000 syndicated unsecured letter of credit facility	$	85,000	$	—	$	85,000	$	—
$300,000 syndicated secured letter of credit facility	300,000		90,252		300,000		235,540
$24,000 secured bi-lateral letter of credit facility	24,000		4,553		24,000		10,543
$20,000 AlphaCat Re secured letter of credit facility	20,000		20,000		30,000		30,000
$25,000 IPC bi-lateral facility	25,000		5,842		25,000		9,241
$236,000 Flagstone bi-lateral facility	236,000		144,392		236,000		193,764
Total credit and other facilities	$	690,000	$	265,039	$	700,000	$	479,088

Summary of key terms of debt instruments

The following table summarizes the key terms of the Company’s senior notes and junior subordinated deferrable debentures:

Description	Issuance date	Amount		Maturity date	Interest Rate as at						Interest payments due
					Issuance Date			December 31, 2016
2006 Junior Subordinated Deferrable Debentures	June 15, 2006	$	150,000	June 15, 2036	9.069	%	(a)	5.831	%	(e)	Quarterly
Flagstone 2006 Junior Subordinated Deferrable Debentures	August 23, 2006	$	133,676	September 15, 2036	3.540	%	(b)	6.463	%	(e)	Quarterly
2007 Junior Subordinated Deferrable Debentures	June 21, 2007	$	200,000	June 15, 2037	8.480	%	(c)	5.180	%	(e)	Quarterly
Flagstone 2007 Junior Subordinated Deferrable Debentures	June 8, 2007	$	88,750	July 30, 2037	3.000	%	(b)	5.900	%	(e)	Quarterly
Flagstone 2007 Junior Subordinated Deferrable Debentures	September 20, 2007	$	25,000	September 15, 2037	3.100	%	(b)	5.983	%	(e)	Quarterly
2010 Senior Notes due 2040	January 26, 2010	$	250,000	January 26, 2040	8.875	%	(d)	8.875	%	(d)	Semi-annually in arrears

(a) Fixed interest rate for 5 years, floating interest rate of three-month LIBOR plus 3.550% thereafter, reset quarterly.

(b) Floating interest rate of three-month LIBOR plus amount stated, reset quarterly.

(c) Fixed interest rate for 5 years, floating interest rate of three-month LIBOR plus 2.950% thereafter, reset quarterly.

(d) Fixed interest rate.

(e) Fixed interest rate as a result of interest rate swap contracts entered into by the Company.

Investments pledged as collateral under credit facilities

The Company has pledged investments and cash as collateral under the Company’s credit facilities in the total amount of $442,184 (December 31, 2015: $826,535) as detailed in the table below:

	December 31, 2016		December 31, 2015
$300,000 syndicated secured letter of credit facility	$	157,597	$	370,909
$24,000 secured bi-lateral letter of credit facility	48,097		47,607
$20,000 AlphaCat Re secured letter of credit facility	20,032		30,153
$236,000 Flagstone bi-lateral facility	216,458		377,866
Total	$	442,184	$	826,535

Components of finance expenses

Finance expenses consist of interest on the junior subordinated deferrable debentures and senior notes, the amortization of debt offering costs, credit facility fees, bank charges, Talbot Funds at Lloyds (“FAL”) facility costs, AlphaCat financing fees and other charges as follows:

	Years Ended December 31,
	2016		2015		2014
2006 Junior Subordinated Deferrable Debentures	$	8,893	$	8,868	$	8,868
2007 Junior Subordinated Deferrable Debentures	7,362		7,341		7,341
Flagstone 2006 Junior Subordinated Deferrable Debentures	9,028		8,989		9,001
Flagstone 2007 Junior Subordinated Deferrable Debentures	7,100		7,123		7,129
2010 Senior Notes due 2040	22,388		22,388		22,388
Credit facilities	2,060		6,006		5,516
Bank charges, Talbot FAL facility and other charges (a)	504		4,592		4,536
AlphaCat fees (b)	1,185		9,435		3,545
Total finance expenses	$	58,520	$	74,742	$	68,324

(a) On November 30, 2015, the Company terminated its Talbot FAL Facility provided and arranged by Lloyds Bank plc and ING Bank N.V., London Branch.

(b) Includes finance expenses incurred by AlphaCat Managers in relation to fund raising for the AlphaCat sidecars, the AlphaCat ILS funds and AlphaCat direct.

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Income taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Income before tax by jurisdiction

The Company’s income (loss) before income taxes for the years ended December 31, 2016, 2015 and 2014 was generated in the following domestic and foreign jurisdictions:

	Years Ended December 31,
	2016			2015			2014
Domestic
Bermuda	$	447,257		$	470,454		$	518,476
Foreign
U.K.	4,308			13,621			10,824
U.S.	4,038			(4,176		)	(11,752		)
Switzerland	(1,084		)	2,276			9,941
Canada	2,599			493			2,773
Other	33,736			(2,074		)	29,076
Total income before income taxes	$	490,854		$	480,594		$	559,338

Components of income tax expense

Income tax (benefit) expense is comprised of both current and deferred tax attributable to U.S. and Non-U.S. jurisdictions as follows:

	Years Ended December 31,
	2016			2015			2014
Current income tax expense
U.S.	$	2,042		$	739		$	21,257
Non-U.S.	711			6,028			26,179
Total current income tax expense	$	2,753		$	6,767		$	47,436
Deferred income tax (benefit) expense
U.S.	$	(3,487	)	$	1,360		$	(24,998	)
Non-U.S.	(18,995		)	(1,751		)	(22,283		)
Total deferred income tax benefit	$	(22,482	)	$	(391	)	$	(47,281	)
Total income tax (benefit) expense
U.S.	$	(1,445	)	$	2,099		$	(3,741	)
Non-U.S.	(18,284		)	4,277			3,896
Total income tax (benefit) expense	$	(19,729	)	$	6,376		$	155

Effective tax rate reconciliation

The table below is a reconciliation of the actual income tax (benefit) expense for the years ended December 31, 2016, 2015 and 2014 to the amount computed by applying the effective tax rate of 0% under Bermuda law to income before taxes:

	Years Ended December 31,
	2016			2015			2014
Expected tax expense at Bermuda statutory rate of 0%	$	—		$	—		$	—
Foreign tax rate differential	11,394			6,462			7,993
Changes in valuation allowance	(36,990		)	9,830			(7,284		)
Tax exempt income and expenses not deductible	(1,960		)	393			(6,055		)
Share compensation tax windfall	1,203			906			3,513
Impact of enacted changes in tax rates	8,931			69			250
Prior years tax adjustments	(5,199		)	(12,272		)	666
Other	2,892			988			1,072
Actual income tax (benefit) expense	$	(19,729	)	$	6,376		$	155

Components of deferred tax assets and liabilities

Significant components of the Company’s deferred tax assets and liabilities as at December 31, 2016 and 2015 were as follows:

	December 31, 2016			December 31, 2015
Deferred tax asset
Tax losses carried forward	$	116,416		$	167,929
Deferred compensation	6,915			7,504
Deferred interest expense	2,039			2,047
Tax credits carried forward	5,469			2,761
Discounting of loss reserves	9,938			11,882
Unearned premiums reserve	6,647			4,291
Pension	5,943			5,503
Lloyd’s underwriting loss deductible in future periods	581			47
Other	4,943			4,111
Deferred tax asset, gross of valuation allowance	158,891			206,075
Valuation allowance	(98,065		)	(167,929		)
Net deferred tax asset	$	60,826		$	38,146
Deferred tax liability
Deferred acquisition costs	4,633			1,989
Intangibles	7,583			8,111
Unrealized appreciation on investments	3,179			7,073
Properties and fixed assets	2,593			2,044
Other	2,640			1,115
Deferred tax liability	20,628			20,332
Net deferred tax asset	$	40,198		$	17,814

Movement in deferred tax asset and related valuation allowance

The movement in deferred tax asset on tax losses carried forward and related valuation allowance from December 31, 2015 to December 31, 2016 can be explained as follows:

	Deferred Tax Asset on Tax Losses Carried Forward			Valuation Allowance
Balance as at December 31, 2015	$	167,929		$	(167,929	)
Movement due to use of tax losses carried forward	(10,990		)	10,990
Movement due to provision to return adjustments	1,108			(1,108		)
Movement due to changes in enacted tax rates	(8,757		)	8,757
Movement due to change in assessment of deferred tax asset recoverability	—			18,351
Forfeiture of tax losses carried forward	(32,927		)	32,927
Other	53			(53		)
Balance as at December 31, 2016	$	116,416		$	(98,065	)

Net operating loss and capital loss carryforwards

As at December 31, 2016, the Company had net operating and capital losses carried forward, inclusive of cumulative currency translation adjustments, as follows:

Tax Jurisdiction	Losses carried forward		Tax effect		Expiration
U.S.	$	11,195	$	3,918	2029 - 2035
Switzerland	$	157,512	$	33,078	2018 - 2020
Luxembourg	$	300,121	$	78,310	None
Singapore	$	11,090	$	1,109	None

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Accumulated other comprehensive loss (Tables)

12 Months Ended

Dec. 31, 2016

Accumulated Other Comprehensive Income (Loss) [Abstract]

Schedule of changes in AOCI

The changes in accumulated other comprehensive (loss) gain, by component for the years ended December 31, 2016, 2015 and 2014 are as follows:

	Year Ended December 31, 2016
	Foreign currency translation adjustment			Minimum pension liability			Cash flow hedge			Total
Balance, net of tax, beginning of year	$	(11,834	)	$	334		$	(1,069	)	$	(12,569	)
Other comprehensive (loss) gain, net of tax	(10,440		)	(484		)	277			(10,647		)
Balance, net of tax, end of year	$	(22,274	)	$	(150	)	$	(792	)	$	(23,216	)
	Year Ended December 31, 2015
	Foreign currency translation adjustment			Minimum pension liability			Cash flow hedge			Total
Balance, net of tax, beginning of year	$	(8,118	)	$	(210	)	$	(228	)	$	(8,556	)
Other comprehensive (loss) gain, net of tax	(3,716		)	544			(841		)	(4,013		)
Balance, net of tax, end of year	$	(11,834	)	$	334		$	(1,069	)	$	(12,569	)
	Year Ended December 31, 2014
	Foreign currency translation adjustment			Minimum pension liability			Cash flow hedge			Total
Balance, net of tax, beginning of year	$	(617	)	$	—		$	—		$	(617	)
Other comprehensive loss, net of tax	(7,501		)	(210		)	(228		)	(7,939		)
Balance, net of tax, end of year	$	(8,118	)	$	(210	)	$	(228	)	$	(8,556	)

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Commitments and contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Percentage of gross premiums written by broker

The following table shows the percentage of gross premiums written by broker for the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
	2016		2015		2014
Marsh & McLennan Companies, Inc.	28.8	%	28.2	%	28.5	%
Aon Benfield Group Ltd.	16.2	%	15.5	%	20.0	%
Willis Towers Watson plc	14.1	%	14.3	%	18.0	%

Future minimum lease commitments

Future minimum lease commitments are as follows:

	December 31, 2016
2017	$	11,878
2018	12,214
2019	11,958
2020	11,059
2021	10,316
2022 and thereafter	46,418
Total	$	103,843

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Earnings per share (Tables)

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per share

The following table sets forth the computation of basic earnings per share and earnings per diluted share available to common shareholders for the years ended December 31, 2016, 2015 and 2014:

	Years Ended December 31,
	2016		2015			2014
Basic earnings per share
Net income available to Validus common shareholders	$	359,384	$	374,893		$	479,963
Less: Dividends on outstanding warrants	—		(3,566		)	(6,208		)
Net income allocated to Validus common shareholders	$	359,384	$	371,327		$	473,755
Weighted average number of common shares outstanding	81,041,974		83,107,236			90,354,745
Basic earnings per share available to Validus common shareholders	$	4.43	$	4.47		$	5.24
Earnings per diluted share
Net income available to Validus common shareholders	$	359,384	$	374,893		$	479,963
Less: Dividends on outstanding warrants	—		—			—
Net income allocated to Validus common shareholders	$	359,384	$	374,893		$	479,963
Weighted average number of common shares outstanding	81,041,974		83,107,236			90,354,745
Share equivalents:
Warrants	—		2,090,248			2,789,032
Stock options	28,196		151,867			745,561
Unvested restricted shares	1,289,290		1,077,409			800,933
Weighted average number of diluted common shares outstanding	82,359,460		86,426,760			94,690,271
Earnings per diluted share available to Validus common shareholders	$	4.36	$	4.34		$	5.07

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Segment information (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Results of operating segments and corporate segment

The following tables summarize the results of our operating segments and “Corporate and Investments”:

	Years Ended December 31,
Validus Re Segment Information	2016			2015			2014
Underwriting revenues
Gross premiums written	$	1,111,054		$	1,126,759		$	1,118,532
Reinsurance premiums ceded	(111,564		)	(149,088		)	(163,678		)
Net premiums written	999,490			977,671			954,854
Change in unearned premiums	(55,545		)	12,542			(37,570		)
Net premiums earned	943,945			990,213			917,284
Other insurance related (loss) income	(55		)	3,575			3,159
Total underwriting revenues	943,890			993,788			920,443
Underwriting deductions
Losses and loss expenses	411,488			457,976			307,290
Policy acquisition costs	181,040			166,387			141,670
General and administrative expenses	72,770			78,428			74,739
Share compensation expenses	11,034			10,350			9,739
Total underwriting deductions	676,332			713,141			533,438
Underwriting income	$	267,558		$	280,647		$	387,005
Selected ratios:
Ratio of net to gross premiums written	90.0		%	86.8		%	85.4		%
Losses and loss expense ratio	43.6		%	46.2		%	33.5		%
Policy acquisition cost ratio	19.2		%	16.8		%	15.5		%
General and administrative expense ratio (a)	8.8		%	9.0		%	9.2		%
Expense ratio	28.0		%	25.8		%	24.7		%
Combined ratio	71.6		%	72.0		%	58.2		%

(a) The general and administrative expense ratio includes share compensation expenses.

	Years Ended December 31,
Talbot Segment Information	2016			2015			2014
Underwriting revenues
Gross premiums written	$	970,702		$	1,018,835		$	1,101,770
Reinsurance premiums ceded	(175,729		)	(198,896		)	(192,211		)
Net premiums written	794,973			819,939			909,559
Change in unearned premiums	(13,057		)	18,152			(29,785		)
Net premiums earned	781,916			838,091			879,774
Other insurance related income	455			851			1,095
Total underwriting revenues	782,371			838,942			880,869
Underwriting deductions
Losses and loss expenses	424,946			347,322			423,394
Policy acquisition costs	177,127			187,535			187,162
General and administrative expenses	134,479			155,306			150,828
Share compensation expenses	13,078			12,373			11,346
Total underwriting deductions	749,630			702,536			772,730
Underwriting income	$	32,741		$	136,406		$	108,139
Selected ratios:
Ratio of net to gross premiums written	81.9		%	80.5		%	82.6		%
Losses and loss expense ratio	54.3		%	41.4		%	48.1		%
Policy acquisition cost ratio	22.7		%	22.4		%	21.3		%
General and administrative expense ratio (a)	18.9		%	20.0		%	18.4		%
Expense ratio	41.6		%	42.4		%	39.7		%
Combined ratio	95.9		%	83.8		%	87.8		%

(a) The general and administrative expense ratio includes share compensation expenses.

	Years Ended December 31,
Western World Segment Information	2016			2015			2014 (a)
Underwriting revenues
Gross premiums written	$	323,220		$	278,504		$	65,235
Reinsurance premiums ceded	(22,634		)	(18,877		)	(6,428		)
Net premiums written	300,586			259,627			58,807
Change in unearned premiums	(27,354		)	(977		)	14,189
Net premiums earned	273,232			258,650			72,996
Other insurance related income	912			1,044			264
Total underwriting revenues	274,144			259,694			73,260
Underwriting deductions
Losses and loss expenses	183,812			171,878			51,035
Policy acquisition costs	64,442			41,408			3,169
General and administrative expenses	43,280			38,715			11,121
Share compensation expenses	2,543			2,083			135
Total underwriting deductions	294,077			254,084			65,460
Underwriting (loss) income	$	(19,933	)	$	5,610		$	7,800
Selected ratios:
Ratio of net to gross premiums written	93.0		%	93.2		%	90.1		%
Losses and loss expense ratio	67.3		%	66.4		%	69.9		%
Policy acquisition cost ratio	23.5		%	16.0		%	4.4		%
General and administrative expense ratio (b)	16.8		%	15.8		%	15.4		%
Expense ratio	40.3		%	31.8		%	19.8		%
Combined ratio	107.6		%	98.2		%	89.7		%

(a) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

(b) The general and administrative expense ratio includes share compensation expenses.

	Years Ended December 31,
AlphaCat Segment Information (a)	2016			2015			2014
Revenues
Third party	$	18,771		$	19,661		$	18,667
Related party	3,329			5,309			7,467
Total revenues	22,100			24,970			26,134
Expenses
General and administrative expenses	10,233			12,115			10,134
Share compensation expenses	249			580			501
Finance expenses	947			9,312			3,417
Tax expenses	90			—			—
Foreign exchange losses (gains)	19			(16		)	(20		)
Total expenses	11,538			21,991			14,032
Income before investment income from AlphaCat Funds and Sidecars	10,562			2,979			12,102
Investment income (loss) from AlphaCat Funds and Sidecars (b)
AlphaCat Re & Master Fund	—			—			(1,377		)
AlphaCat Sidecars	607			5,504			10,525
AlphaCat ILS Funds - Lower Risk	8,901			7,491			7,974
AlphaCat ILS Funds - Higher Risk	7,471			8,428			8,754
BetaCat ILS Funds	3,623			1,702			(51		)
PaCRe	(23		)	(3,949		)	(4,340		)
Total investment income from AlphaCat Funds and Sidecars	20,579			19,176			21,485
Validus’ share of AlphaCat income	$	31,141		$	22,155		$	33,587
Supplemental information:
Gross premiums written
AlphaCat Sidecars	$	(341	)	$	45,755		$	50,023
AlphaCat ILS Funds - Lower Risk	112,222			91,363			52,264
AlphaCat ILS Funds - Higher Risk	140,022			34,228			24,498
AlphaCat Direct (c)	18,499			4,780			—
Total gross premiums written	$	270,402		$	176,126		$	126,785

(a) The results of AlphaCat are presented on an asset manager basis, which is non-GAAP. A reconciliation of Validus’ share of AlphaCat segment income to segmental income is presented in the tables below.

(b) The investment income from the AlphaCat funds and sidecars is based on equity accounting.

(c) AlphaCat Direct includes direct investments from third party investors in AlphaCat Re.

	Years Ended December 31,
Corporate and Investments	2016			2015			2014
Investment income
Managed net investment income (a)	$	141,718		$	121,166		$	95,800
Operating expenses
General and administrative expenses	72,249			75,724			80,210
Share compensation expenses	16,003			12,955			11,352
Finance expenses (a)	57,183			61,071			60,309
Dividends on preferred shares	4,455			—			—
Tax (benefit) expense (a)	(19,819		)	6,376			155
Total operating expenses	130,071			156,126			152,026
Other items
Net realized gains on managed investments (a)	14,680			1,698			12,160
Change in net unrealized gains (losses) on managed investments (a)	14,106			(32,007		)	(1,030		)
(Loss) income from investment affiliates	(2,083		)	4,281			8,411
Foreign exchange gains (losses) (a)	10,778			(8,172		)	(10,700		)
Other loss	(766		)	(1,002		)	(2,243		)
Transaction expenses (b)	—			—			(8,096		)
Total other items	36,715			(35,202		)	(1,498		)
Total Corporate and Investments	$	48,362		$	(70,162	)	$	(57,724	)

(a) These items exclude the components which are included in Validus’ share of AlphaCat and amounts which are consolidated from VIEs.

(b) The transaction expenses relate to costs incurred in connection with the acquisition of Western World, which was completed on October 2, 2014. Transaction expenses are primarily comprised of legal, financial advisory and audit related services.

The following tables reconcile the results of our operating segments and “Corporate & Investments” to the Consolidated results of the Company for the years indicated:

	Year Ended December 31, 2016
	Validus Re Segment			Talbot Segment			Western World Segment			AlphaCat Segment and Consolidated VIEs			Corporate and Investments			Eliminations			Total
Underwriting revenues
Gross premiums written	$	1,111,054		$	970,702		$	323,220		$	270,402		$	—		$	(26,673	)	$	2,648,705
Reinsurance premiums ceded	(111,564		)	(175,729		)	(22,634		)	(6,451		)	—			26,673			(289,705		)
Net premiums written	999,490			794,973			300,586			263,951			—			—			2,359,000
Change in unearned premiums	(55,545		)	(13,057		)	(27,354		)	(13,879		)	—			—			(109,835		)
Net premiums earned	943,945			781,916			273,232			250,072			—			—			2,249,165
Other insurance related (loss) income	(55		)	455			912			22,386			—			(20,737		)	2,961
Total underwriting revenues	943,890			782,371			274,144			272,458			—			(20,737		)	2,252,126
Underwriting deductions
Losses and loss expenses	411,488			424,946			183,812			44,851			—			—			1,065,097
Policy acquisition costs	181,040			177,127			64,442			26,905			—			(32		)	449,482
General and administrative expenses	72,770			134,479			43,280			34,333			72,249			(20,817		)	336,294
Share compensation expenses	11,034			13,078			2,543			249			16,003			—			42,907
Total underwriting deductions	676,332			749,630			294,077			106,338			88,252			(20,849		)	1,893,780
Underwriting income (loss)	$	267,558		$	32,741		$	(19,933	)	$	166,120		$	(88,252	)	$	112		$	358,346
Other items (a)	—			—			—			2,478			(649		)	—			1,829
Dividends on preferred shares	—			—			—			—			(4,455		)	—			(4,455		)
Net investment income	—			—			—			9,264			141,718			(597		)	150,385
(Income) attributable to AlphaCat investors	—			—			—			(23,358		)	—			—			(23,358		)
Net (income) attributable to noncontrolling interests	—			—			—			(123,363		)	—			—			(123,363		)
Segmental income (loss)	$	267,558		$	32,741		$	(19,933	)	$	31,141		$	48,362		$	(485	)
Net income available to Validus common shareholders																			$	359,384

(a) Other items includes finance expenses, tax (benefit) expense, foreign exchange gains (losses), net realized and change in net unrealized gains (losses) on investments, income from investment and operating affiliates and other income (loss).

	Year Ended December 31, 2015
	Validus Re Segment			Talbot Segment			Western World Segment			AlphaCat Segment and Consolidated VIEs			Corporate and Investments			Eliminations			Total
Underwriting revenues
Gross premiums written	$	1,126,759		$	1,018,835		$	278,504		$	176,126		$	—		$	(42,718	)	$	2,557,506
Reinsurance premiums ceded	(149,088		)	(198,896		)	(18,877		)	(4,538		)	—			42,718			(328,681		)
Net premiums written	977,671			819,939			259,627			171,588			—			—			2,228,825
Change in unearned premiums	12,542			18,152			(977		)	(11,653		)	—			—			18,064
Net premiums earned	990,213			838,091			258,650			159,935			—			—			2,246,889
Other insurance related income	3,575			851			1,044			25,524			—			(24,881		)	6,113
Total underwriting revenues	993,788			838,942			259,694			185,459			—			(24,881		)	2,253,002
Underwriting deductions
Losses and loss expenses	457,976			347,322			171,878			657			—			—			977,833
Policy acquisition costs	166,387			187,535			41,408			16,327			—			(1,599		)	410,058
General and administrative expenses	78,428			155,306			38,715			39,055			75,724			(23,519		)	363,709
Share compensation expenses	10,350			12,373			2,083			580			12,955			—			38,341
Total underwriting deductions	713,141			702,536			254,084			56,619			88,679			(25,118		)	1,789,941
Underwriting income	$	280,647		$	136,406		$	5,610		$	128,840		$	(88,679	)	$	237		$	463,061
Other items (a)	—			—			—			(17,967		)	(102,649		)	—			(120,616		)
Dividends on preferred shares	—			—			—			—			—			—			—
Net investment income	—			—			—			6,658			121,166			—			127,824
(Income) attributable to AlphaCat investors	—			—			—			(2,412		)	—			—			(2,412		)
Net (income) attributable to noncontrolling interests	—			—			—			(92,964		)	—			—			(92,964		)
Segmental income	$	280,647		$	136,406		$	5,610		$	22,155		$	(70,162	)	$	237
Net income available to Validus																			$	374,893

(a) Other items includes finance expenses, tax expenses, foreign exchange gains (losses), net realized and change in net unrealized gains (losses) on investments, income from investment and operating affiliates and other income (loss).

	Year Ended December 31, 2014
	Validus Re Segment			Talbot Segment			Western World Segment (c)			AlphaCat Segment and Consolidated VIEs			Corporate and Investments			Eliminations			Total
Underwriting revenues
Gross premiums written	$	1,118,532		$	1,101,770		$	65,235		$	126,785		$	—		$	(53,457	)	$	2,358,865
Reinsurance premiums ceded	(163,678		)	(192,211		)	(6,428		)	(4,348		)	—			53,457			(313,208		)
Net premiums written	954,854			909,559			58,807			122,437			—			—			2,045,657
Change in unearned premiums	(37,570		)	(29,785		)	14,189			564			—			—			(52,602		)
Net premiums earned	917,284			879,774			72,996			123,001			—			—			1,993,055
Other insurance related income	3,159			1,095			264			25,750			—			(26,796		)	3,472
Total underwriting revenues	920,443			880,869			73,260			148,751			—			(26,796		)	1,996,527
Underwriting deductions
Losses and loss expenses	307,290			423,394			51,035			(16,704		)	—			—			765,015
Policy acquisition costs	141,670			187,162			3,169			11,584			—			(4,118		)	339,467
General and administrative expenses	74,739			150,828			11,121			36,298			80,210			(23,834		)	329,362
Share compensation expenses	9,739			11,346			135			501			11,352			—			33,073
Total underwriting deductions	533,438			772,730			65,460			31,679			91,562			(27,952		)	1,466,917
Underwriting income	$	387,005		$	108,139		$	7,800		$	117,072		$	(91,562	)	$	1,156		$	529,610
Other items (a)	—			—			—			(12,891		)	(53,866		)	—			(66,757		)
Net investment income	—			—			—			4,286			95,800			—			100,086
Net (income) attributable to noncontrolling interests	—			—			—			(74,880		)	—			—			(74,880		)
Transaction expenses (b)	—			—			—			—			(8,096		)	—			(8,096		)
Segmental income	$	387,005		$	108,139		$	7,800		$	33,587		$	(57,724	)	$	1,156
Net income available to Validus																			$	479,963

(a) Other items includes finance expenses, tax expenses, foreign exchange gains (losses), net realized and change in net unrealized gains (losses) on investments, income from investment and operating affiliates and other income (loss).

(b) The transaction expenses relate to costs incurred in connection with the acquisition of Western World, which was completed on October 2, 2014. Transaction expenses are primarily comprised of legal, financial advisory and audit related services.

(c) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

Gross premiums written by line of business

The following table sets forth the gross premiums written by line of business for the years indicated:

	Years Ended December 31,
	2016		2015		2014 (a)
Property	$	1,128,523	$	1,077,700	$	1,050,109
Marine	363,656		471,857		576,478
Specialty	927,746		782,463		677,026
Liability	228,780		225,486		55,252
Total	$	2,648,705	$	2,557,506	$	2,358,865

(a) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

Gross premiums written allocated to the territory of coverage exposure

The following tables set forth the gross premiums written allocated to the territory of coverage exposure for the years indicated:

	Gross Premiums Written
	Year Ended December 31, 2016
	Validus Re		Talbot		Western World		AlphaCat		Eliminations			Total		%
United States	$	448,243	$	103,415	$	323,220	$	64,766	$	(2,057	)	$	937,587	35.4	%
Worldwide excluding United States (a)	51,902		148,347		—		22,206		(689		)	221,766		8.4	%
Australia and New Zealand	7,389		10,844		—		4,949		(133		)	23,049		0.9	%
Europe	28,967		34,264		—		3,245		(695		)	65,781		2.4	%
Latin America and Caribbean	47,586		102,293		—		—		(9,484		)	140,395		5.3	%
Japan	40,099		6,580		—		3,221		(33		)	49,867		1.9	%
Canada	3,349		6,834		—		207		(147		)	10,243		0.4	%
Rest of the world (b)	22,595		107,106		—		—		(2,449		)	127,252		4.8	%
Sub-total, non United States	201,887		416,268		—		33,828		(13,630		)	638,353		24.1	%
Worldwide including United States (a)	167,065		98,311		—		170,253		(10,983		)	424,646		16.0	%
Other locations non-specific (c)	293,859		352,708		—		1,555		(3		)	648,119		24.5	%
Total	$	1,111,054	$	970,702	$	323,220	$	270,402	$	(26,673	)	$	2,648,705	100.0	%

	Gross Premiums Written
	Year Ended December 31, 2015
	Validus Re		Talbot		Western World		AlphaCat		Eliminations			Total		%
United States	$	530,541	$	106,679	$	278,504	$	41,134	$	(2,547	)	$	954,311	37.4	%
Worldwide excluding United States (a)	52,860		127,540		—		8,107		(1,186		)	187,321		7.3	%
Australia and New Zealand	12,190		8,974		—		624		(244		)	21,544		0.8	%
Europe	48,240		38,657		—		2,504		(1,135		)	88,266		3.5	%
Latin America and Caribbean	46,258		103,318		—		38		(15,481		)	134,133		5.2	%
Japan	38,885		5,171		—		1,671		(109		)	45,618		1.8	%
Canada	3,129		6,666		—		458		(231		)	10,022		0.4	%
Rest of the world (b)	21,498		103,237		—		—		(3,660		)	121,075		4.7	%
Sub-total, non United States	223,060		393,563		—		13,402		(22,046		)	607,979		23.7	%
Worldwide including United States (a)	139,419		100,523		—		116,523		(18,120		)	338,345		13.2	%
Other locations non-specific (c)	233,739		418,070		—		5,067		(5		)	656,871		25.7	%
Total	$	1,126,759	$	1,018,835	$	278,504	$	176,126	$	(42,718	)	$	2,557,506	100.0	%

	Gross Premiums Written
	Year Ended December 31, 2014
	Validus Re		Talbot		Western World (d)		AlphaCat		Eliminations			Total		%
United States	$	437,124	$	108,458	$	65,235	$	26,067	$	(3,664	)	$	633,220	26.8	%
Worldwide excluding United States (a)	76,370		139,570		—		6,727		(1,575		)	221,092		9.4	%
Australia and New Zealand	20,617		9,736		—		1,019		(360		)	31,012		1.3	%
Europe	57,223		45,615		—		2,305		(1,292		)	103,851		4.4	%
Latin America and Caribbean	56,102		116,281		—		—		(26,007		)	146,376		6.2	%
Japan	42,813		4,116		—		608		(111		)	47,426		2.0	%
Canada	3,793		10,194		—		214		(337		)	13,864		0.6	%
Rest of the world (b)	25,272		93,012		—		—		(3,805		)	114,479		4.9	%
Sub-total, non United States	282,190		418,524		—		10,873		(33,487		)	678,100		28.8	%
Worldwide including United States (a)	175,098		96,187		—		89,845		(16,196		)	344,934		14.6	%
Other locations non-specific (c)	224,120		478,601		—		—		(110		)	702,611		29.8	%
Total	$	1,118,532	$	1,101,770	$	65,235	$	126,785	$	(53,457	)	$	2,358,865	100.0	%

(a) Represents risks in two or more geographic zones.

(b) Represents risks in one geographic zone.

(c) The other locations non-specific category refers to business for which an analysis of exposure by geographic zone is not applicable since these exposures can span multiple geographic areas and, in some instances, are not fixed locations.

(d) The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

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Statutory and regulatory requirements (Tables)

12 Months Ended

Dec. 31, 2016

Statutory and regulatory requirements [Abstract]

Statutory amounts based on regulatory requirements

Statutory capital and surplus as at December 31, 2016 and 2015 and statutory net income for the years endedDecember 31, 2016, 2015 and 2014 for our (re)insurance subsidiaries based in our most significant regulatory jurisdictions were as follows:

	Statutory Capital and Surplus
	Required				Actual				Statutory Net Income
	December 31,				December 31,				Years Ended December 31,
	2016		2015		2016		2015		2016		2015		2014
Bermuda	$	734,045	$	1,463,408	$	3,712,369	$	3,469,849	$	369,684	$	329,260	$	511,652
United States	78,342		80,047		416,746		421,047		7,795		32,255		105,210
Switzerland	267,000		259,000		806,099		750,356		46,362		21,379		44,939

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Condensed unaudited quarterly financial information (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Schedule Of Condensed Quarterly Financial Information [Table Text Block]

	Quarters Ended
	December 31, 2016			September 30, 2016			June 30, 2016			March 31, 2016
	Unaudited			Unaudited			Unaudited			Unaudited
Revenues
Gross premiums written	$	339,454		$	372,418		$	764,042		$	1,172,791
Reinsurance premiums ceded	(40,635		)	(45,006		)	(36,229		)	(167,835		)
Net premiums written	298,819			327,412			727,813			1,004,956
Change in unearned premiums	241,580			236,363			(154,090		)	(433,688		)
Net premiums earned	540,399			563,775			573,723			571,268
Net investment income	38,153			43,514			39,257			29,461
Net realized gains (losses) on investments	9,220			4,397			2,724			(584		)
Change in net unrealized (losses) gains on investments	(67,460		)	5,459			31,428			47,444
Income (loss) from investment affiliates	2,166			453			(589		)	(4,113		)
Other insurance related income (loss) and other income	568			(610		)	824			1,413
Foreign exchange (losses) gains	(901		)	(766		)	6,286			6,245
Total revenues	522,145			616,222			653,653			651,134
Expenses
Losses and loss expenses	275,126			258,394			307,130			224,447
Policy acquisition costs	120,889			113,434			107,966			107,193
General and administrative expenses	77,955			82,443			89,688			86,208
Share compensation expenses	10,442			10,501			10,727			11,237
Finance expenses	14,630			14,521			14,166			15,203
Total expenses	499,042			479,293			529,677			444,288
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors	23,103			136,929			123,976			206,846
Tax benefit (expense)	21,147			(1,830		)	(1,706		)	2,118
Loss from operating affiliate	—			—			—			(23		)
(Income) attributable to AlphaCat investors	(7,080		)	(5,564		)	(6,114		)	(4,600		)
Net income	$	37,170		$	129,535		$	116,156		$	204,341
Net (income) attributable to noncontrolling interests	(27,200		)	(37,439		)	(21,193		)	(37,531		)
Net income available to Validus	9,970			92,096			94,963			166,810
Dividends on preferred shares	(2,203		)	(2,252		)	—			—
Net income available to Validus common shareholders	$	7,767		$	89,844		$	94,963		$	166,810
Earnings per share
Basic earnings per share available to Validus common shareholders	$	0.10		$	1.12		$	1.16		$	2.01
Earnings per diluted share available to Validus common shareholders	$	0.10		$	1.11		$	1.14		$	1.98
Cash dividends declared per common share	$	0.35		$	0.35		$	0.35		$	0.35

	Quarters Ended
	December 31, 2015			September 30, 2015			June 30, 2015			March 31, 2015
	Unaudited			Unaudited			Unaudited			Unaudited
Revenues
Gross premiums written	$	309,605		$	402,509		$	726,168		$	1,119,224
Reinsurance premiums ceded	(33,128		)	(48,810		)	(55,418		)	(191,325		)
Net premiums written	276,477			353,699			670,750			927,899
Change in unearned premiums	266,823			201,312			(98,062		)	(352,009		)
Net premiums earned	543,300			555,011			572,688			575,890
Net investment income	31,612			31,572			33,611			31,029
Net realized (losses) gains on investments	(2,928		)	(1,187		)	2,244			4,169
Change in net unrealized (losses) gains on investments	(34,862		)	3,916			(34,676		)	33,227
(Loss) income from investment affiliates	(1,261		)	2,482			284			2,776
Other insurance related income and other income	2,545			1,526			100			940
Foreign exchange gains (losses)	797			(2,592		)	(2,671		)	(4,265		)
Total revenues	539,203			590,728			571,580			643,766
Expenses
Losses and loss expenses	214,748			256,010			266,146			240,929
Policy acquisition costs	102,285			105,039			104,323			98,411
General and administrative expenses	98,563			96,886			84,025			84,235
Share compensation expenses	10,062			9,983			9,242			9,054
Finance expenses	16,581			18,512			18,682			20,967
Total expenses	442,239			486,430			482,418			453,596
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors	96,964			104,298			89,162			190,170
Tax benefit (expense)	756			(2,018		)	(2,549		)	(2,565		)
(Loss) income from operating affiliate	(1,708		)	(7,963		)	1,738			3,984
(Income) attributable to AlphaCat investors	(974		)	(1,438		)	—			—
Net income	$	95,038		$	92,879		$	88,351		$	191,589
Net (income) attributable to noncontrolling interests	(25,996		)	(26,229		)	(22,561		)	(18,178		)
Net income available to Validus	69,042			66,650			65,790			173,411
Dividends on preferred shares	—			—			—			—
Net income available to Validus common shareholders	$	69,042		$	66,650		$	65,790		$	173,411
Earnings per share
Basic earnings per share available to Validus common shareholders	$	0.84		$	0.79		$	0.77		$	2.07
Earnings per diluted share available to Validus common shareholders	$	0.81		$	0.78		$	0.75		$	1.98
Cash dividends declared per common share	$	0.32		$	0.32		$	0.32		$	0.32

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Nature of the business (Details)	12 Months Ended
	Dec. 31, 2016 segments
Nature Of Business [Abstract]
Number of operating segments	4

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Significant accounting policies (Details)	12 Months Ended
	Dec. 31, 2016
Premiums
Significant Accounting Policies [Line Items]
Assumed risk period, in months	24 months
Derivative | Maximum
Significant Accounting Policies [Line Items]
Hedge effectiveness criteria, percent	125.00%
Derivative | Minimum
Significant Accounting Policies [Line Items]
Hedge effectiveness criteria, percent	80.00%
Cash and cash equivalents
Significant Accounting Policies [Line Items]
Time period for recognition, as shown	1 month

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Business combination (Acquisition details) (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 02, 2014	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2014
Liabilities acquired
Goodwill		$ 196,758	$ 196,758	$ 195,897
Western World Insurance Group, Inc
Total allocable purchase price
Total allocable purchase price	$ 692,305
Tangible assets acquired
Cash and cash equivalents	48,760
Investments	1,126,185
Receivables	37,848
Other assets	19,418
Tangible assets acquired	1,232,211
Intangible assets acquired
Intangible assets acquired	25,055
Liabilities acquired
Net loss reserves and paid losses recoverable	523,315
Unearned premiums, net of expenses	135,686
Other liabilities	81,464
Liabilities acquired	740,465
Goodwill		176,365		$ 175,504
Measurement period adjustments to assets		$ 861
Western World Insurance Group, Inc | Brand names
Intangible assets acquired
Intangible asset - finite-lived	5,756
Western World Insurance Group, Inc | Distribution network
Intangible assets acquired
Intangible asset - finite-lived	4,651
Western World Insurance Group, Inc | Technology
Intangible assets acquired
Intangible asset - finite-lived	2,323
Western World Insurance Group, Inc | State licenses
Intangible assets acquired
Intangible asset - indefinite-lived	$ 12,325

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Business combination (Pro forma information) (Details) - Western World Insurance Group, Inc $ in Thousands	12 Months Ended
	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Net premiums earned	$ 2,216,349
Net operating income	481,179
Net income	$ 448,071

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Business combination (Results since acquisition) (Details) - Western World Insurance Group, Inc $ in Thousands	3 Months Ended
	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Net premiums written	$ 58,807
Total revenue	78,325
Total expenses	(66,882)
Net income	$ 11,443

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Goodwill and other intangible assets (Analysis of goodwill and intangible assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Line Items]
Goodwill, beginning of year	$ 196,758	$ 195,897
Measurement period adjustments		861
Goodwill, end of year	196,758	196,758	$ 195,897
Finite lived intangible assets, beginning of year	17,090	22,756
Finite lived intangible assets, end of year	11,424	17,090	22,756
Indefinite-lived intangible assets, beginning of year	104,168	104,168
Indefinite-lived intangible assets, end of year	104,168	104,168	104,168
Total intangible assets, beginning of year	121,258	126,924
Amortization of intangible assets	(5,666)	(5,666)	(4,538)
Total intangible assets, end of year	115,592	121,258	126,924
Talbot
Goodwill [Line Items]
Goodwill, beginning of year	20,393	20,393
Measurement period adjustments		0
Goodwill, end of year	20,393	20,393	20,393
Western World Insurance Group, Inc
Goodwill [Line Items]
Goodwill, beginning of year	176,365	175,504
Measurement period adjustments		861
Goodwill, end of year	$ 176,365	$ 176,365	$ 175,504

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Goodwill and other intangible assets (Analysis of carrying value and accumulated amortization of intangible assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill And Other Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	$ 60,343	$ 60,343
Finite-lived intangible assets, accumulated amortization	(48,919)	(43,253)
Finite-lived intangible assets, net carrying amount	11,424	17,090	$ 22,756
Indefinite-lived intangible assets, gross and net carrying amount	104,168	104,168	$ 104,168
Syndicate capacity
Goodwill And Other Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross and net carrying amount	91,843	91,843
State licenses
Goodwill And Other Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross and net carrying amount	12,325	12,325
Trade name and customer relationships
Goodwill And Other Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	18,189	18,189
Finite-lived intangible assets, accumulated amortization	(13,406)	(12,187)
Finite-lived intangible assets, net carrying amount	4,783	6,002
Distribution network
Goodwill And Other Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	39,831	39,831
Finite-lived intangible assets, accumulated amortization	(34,468)	(30,485)
Finite-lived intangible assets, net carrying amount	5,363	9,346
Technology
Goodwill And Other Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	2,323	2,323
Finite-lived intangible assets, accumulated amortization	(1,045)	(581)
Finite-lived intangible assets, net carrying amount	$ 1,278	$ 1,742

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Goodwill and other intangible assets (Remaining amortization expense) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
2017	$ 3,585
2018	1,505
2019	1,389
2020	1,041
2021	1,041
2022 and thereafter	2,863
Intangible assets with a finite life, net	$ 11,424	$ 17,090	$ 22,756

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Goodwill and other intangible assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Goodwill	$ 196,758	$ 196,758	$ 195,897
Measurement period adjustments		861
Amortization of intangible assets	5,666	5,666	4,538
Western World Insurance Group, Inc
Business Acquisition [Line Items]
Goodwill	$ 176,365	176,365	$ 175,504
Measurement period adjustments		$ 861
Minimum
Business Acquisition [Line Items]
Useful lives of acquired intangible assets	5 years
Maximum
Business Acquisition [Line Items]
Useful lives of acquired intangible assets	10 years

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Investments (Amortized cost or cost and fair value of investments) (Details) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		$ 5,584,599	$ 5,556,900
Short-term investments, at amortized cost		2,796,358	1,941,615
Other investments, at amortized cost		380,130	315,963
Investments in investment affiliates, at cost		84,840	69,794
Total investments, amortized cost		8,845,927	7,884,272
Fixed maturities, at fair value		5,543,030	5,510,331
Short-term investments, at fair value		2,796,170	1,941,635
Other investments, at fair value		405,712	336,856
Investments in investment affiliates		100,431	87,673
Total investments, at fair value		8,845,343	7,876,495
Managed investments
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		5,427,113	5,369,053
Short-term investments, at amortized cost		228,574	237,349
Other investments, at amortized cost		380,130	315,963
Investments in investment affiliates, at cost	[1]	84,840	69,794
Total investments, amortized cost		6,120,657	5,992,159
Fixed maturities, at fair value		5,384,699	5,323,952
Short-term investments, at fair value		228,386	237,369
Other investments, at fair value		405,712	336,856
Investments in investment affiliates	[1]	100,431	87,673
Total investments, at fair value		6,119,228	5,985,850
Managed investments | U.S. government and government agency
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		809,392	940,428
Fixed maturities, at fair value		804,126	937,202
Managed investments | Non-U.S. government and government agency
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		245,651	241,549
Fixed maturities, at fair value		240,791	237,968
Managed investments | U.S. states, municipalities and political subdivisions
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		271,742	299,929
Fixed maturities, at fair value		271,830	301,289
Managed investments | Agency residential mortgage-backed securities
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		684,490	606,676
Fixed maturities, at fair value		679,595	610,582
Managed investments | Non-agency residential mortgage-backed securities
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		15,858	27,025
Fixed maturities, at fair value		15,477	26,920
Managed investments | U.S. corporate
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		1,540,036	1,503,614
Fixed maturities, at fair value		1,534,508	1,489,951
Managed investments | Non-U.S. corporate
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		418,520	453,178
Fixed maturities, at fair value		410,227	446,570
Managed investments | Bank loans
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		579,121	592,981
Fixed maturities, at fair value		570,399	576,211
Managed investments | Asset-backed securities
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		528,563	440,363
Fixed maturities, at fair value		526,814	437,124
Managed investments | Commercial mortgage backed securities
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		333,740	263,310
Fixed maturities, at fair value		330,932	260,135
Managed investments | Fund of hedge funds
Amortized cost or cost and fair value of investments
Other investments, at amortized cost		1,457	1,457
Other investments, at fair value		955	1,417
Managed investments | Hedge funds
Amortized cost or cost and fair value of investments
Other investments, at amortized cost		11,292	14,018
Other investments, at fair value		17,381	20,980
Managed investments | Private equity investments
Amortized cost or cost and fair value of investments
Other investments, at amortized cost		72,814	53,489
Other investments, at fair value		89,809	63,771
Managed investments | Fixed income investment funds
Amortized cost or cost and fair value of investments
Other investments, at amortized cost		241,536	188,121
Other investments, at fair value		242,093	188,721
Managed investments | Overseas deposits
Amortized cost or cost and fair value of investments
Other investments, at amortized cost		50,106	54,484
Other investments, at fair value		50,106	54,484
Managed investments | Mutual funds
Amortized cost or cost and fair value of investments
Other investments, at amortized cost		2,925	4,394
Other investments, at fair value		5,368	7,483
Non-managed investments
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		157,486	187,847
Short-term investments, at amortized cost		2,567,784	1,704,266
Total investments, amortized cost		2,725,270	1,892,113
Fixed maturities, at fair value		158,331	186,379
Short-term investments, at fair value		2,567,784	1,704,266
Total investments, at fair value		2,726,115	1,890,645
Non-managed investments | Catastrophe bonds
Amortized cost or cost and fair value of investments
Fixed maturities, at amortized cost		157,486	187,847
Fixed maturities, at fair value		$ 158,331	$ 186,379

[1] The Company’s investments in investment affiliates have been treated as equity method investments with the corresponding gains and losses recorded inincome as “Income (loss) from investment affiliates.”

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Investments (Fixed maturities by investment rating) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Fixed Maturities
Estimated fair value	$ 5,543,030	$ 5,510,331
Percentage of total	100.00%	100.00%
Managed investments
Fixed Maturities
Estimated fair value	$ 5,384,699	$ 5,323,952
Percentage of total	97.10%	96.60%
Managed investments | Investment Grade
Fixed Maturities
Estimated fair value	$ 4,766,696	$ 4,659,892
Percentage of total	86.00%	84.60%
Managed investments | Investment Grade | AAA [Member]
Fixed Maturities
Estimated fair value	$ 2,405,597	$ 2,367,642
Percentage of total	43.40%	43.00%
Managed investments | Investment Grade | AA [Member]
Fixed Maturities
Estimated fair value	$ 538,289	$ 569,386
Percentage of total	9.70%	10.30%
Managed investments | Investment Grade | A [Member]
Fixed Maturities
Estimated fair value	$ 1,081,949	$ 1,031,326
Percentage of total	19.50%	18.70%
Managed investments | Investment Grade | BBB [Member]
Fixed Maturities
Estimated fair value	$ 740,861	$ 691,538
Percentage of total	13.40%	12.60%
Managed investments | Non-Investment Grade
Fixed Maturities
Estimated fair value	$ 618,003	$ 664,060
Percentage of total	11.10%	12.00%
Managed investments | Non-Investment Grade | BB [Member]
Fixed Maturities
Estimated fair value	$ 213,568	$ 235,724
Percentage of total	3.90%	4.30%
Managed investments | Non-Investment Grade | B [Member]
Fixed Maturities
Estimated fair value	$ 177,737	$ 179,069
Percentage of total	3.20%	3.20%
Managed investments | Non-Investment Grade | CCC [Member]
Fixed Maturities
Estimated fair value	$ 13,371	$ 5,706
Percentage of total	0.20%	0.10%
Managed investments | Non-Investment Grade | CC [Member]
Fixed Maturities
Estimated fair value	$ 0	$ 1,015
Percentage of total	0.00%	0.00%
Managed investments | Non-Investment Grade | NR [Member]
Fixed Maturities
Estimated fair value	$ 213,327	$ 242,546
Percentage of total	3.80%	4.40%
Non-managed investments
Fixed Maturities
Estimated fair value	$ 158,331	$ 186,379
Percentage of total	2.90%	3.40%
Non-managed investments | Investment Grade
Fixed Maturities
Estimated fair value	$ 0	$ 1,911
Percentage of total	0.00%	0.00%
Non-managed investments | Investment Grade | BBB [Member]
Fixed Maturities
Estimated fair value	$ 0	$ 1,911
Percentage of total	0.00%	0.00%
Non-managed investments | Non-Investment Grade
Fixed Maturities
Estimated fair value	$ 158,331	$ 184,468
Percentage of total	2.90%	3.40%
Non-managed investments | Non-Investment Grade | BB [Member]
Fixed Maturities
Estimated fair value	$ 29,731	$ 70,962
Percentage of total	0.60%	1.30%
Non-managed investments | Non-Investment Grade | B [Member]
Fixed Maturities
Estimated fair value	$ 4,524	$ 30,698
Percentage of total	0.10%	0.60%
Non-managed investments | Non-Investment Grade | NR [Member]
Fixed Maturities
Estimated fair value	$ 124,076	$ 82,808
Percentage of total	2.20%	1.50%

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Investments (Maturity profile of fixed maturity investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Maturity profile
Amortized cost	$ 5,584,599	$ 5,556,900
Estimated fair value	5,543,030	5,510,331
Managed investments
Maturity profile
Amortized cost	5,427,113	5,369,053
Estimated fair value	5,384,699	5,323,952
Managed investments | Due in one year or less [Member]
Maturity profile
Amortized cost	350,733	367,132
Estimated fair value	346,161	366,019
Managed investments | Due after one year through five years [Member]
Maturity profile
Amortized cost	2,954,856	2,965,920
Estimated fair value	2,933,146	2,936,053
Managed investments | Due after five years through ten years [Member]
Maturity profile
Amortized cost	430,365	548,183
Estimated fair value	426,647	539,083
Managed investments | Due after ten years [Member]
Maturity profile
Amortized cost	128,508	150,444
Estimated fair value	125,927	148,036
Managed investments | Fixed Maturities Trading Securities Allocated To Contractual Maturity [Member]
Maturity profile
Amortized cost	3,864,462	4,031,679
Estimated fair value	3,831,881	3,989,191
Managed investments | Asset backed and mortgaged backed securities [Member]
Maturity profile
Amortized cost	1,562,651	1,337,374
Estimated fair value	1,552,818	1,334,761
Non-managed investments
Maturity profile
Amortized cost	157,486	187,847
Estimated fair value	158,331	186,379
Non-managed investments | Due in one year or less [Member]
Maturity profile
Amortized cost	43,664	7,504
Estimated fair value	45,418	7,544
Non-managed investments | Due after one year through five years [Member]
Maturity profile
Amortized cost	112,572	165,093
Estimated fair value	111,656	163,575
Non-managed investments | Due after five years through ten years [Member]
Maturity profile
Amortized cost	1,250	15,250
Estimated fair value	1,257	15,260
Non-managed investments | Due after ten years [Member]
Maturity profile
Amortized cost	0	0
Estimated fair value	$ 0	$ 0

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Investments (Other investments) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		$ 405,712	$ 336,856
Managed investments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		405,712	336,856
Managed investments | Fund of hedge funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		955	1,417
Managed investments | Hedge funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		17,381	20,980
Managed investments | Private equity investments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		89,809	63,771
Managed investments | Fixed income investment funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		242,093	188,721
Managed investments | Overseas deposits
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		50,106	54,484
Managed investments | Mutual funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		5,368	7,483
Subject to redemption restriction | Managed investments | Fixed income investment funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		184,749
Recurring | Managed investments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		405,712	336,856
Recurring | Managed investments | Fund of hedge funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		955	1,417
Recurring | Managed investments | Hedge funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		17,381	20,980
Recurring | Managed investments | Private equity investments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		89,809	63,771
Recurring | Managed investments | Fixed income investment funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		242,093	188,721
Recurring | Managed investments | Overseas deposits
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		50,106	54,484
Recurring | Managed investments | Mutual funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		5,368	7,483
Recurring | Subject to redemption restriction | Managed investments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		369,402	308,562
Recurring | Subject to redemption restriction | Managed investments | Fund of hedge funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		955	1,417
Recurring | Subject to redemption restriction | Managed investments | Hedge funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		17,381	20,980
Recurring | Subject to redemption restriction | Managed investments | Private equity investments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		89,809	63,771
Recurring | Subject to redemption restriction | Managed investments | Fixed income investment funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		211,151	167,910
Recurring | Subject to redemption restriction | Managed investments | Overseas deposits
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		50,106	54,484
Recurring | Subject to redemption restriction | Managed investments | Mutual funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		0	0
Recurring | Not subject to redemption restriction | Managed investments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		36,310	28,294
Recurring | Not subject to redemption restriction | Managed investments | Fund of hedge funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		0	0
Recurring | Not subject to redemption restriction | Managed investments | Hedge funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		0	0
Recurring | Not subject to redemption restriction | Managed investments | Private equity investments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		0	0
Recurring | Not subject to redemption restriction | Managed investments | Fixed income investment funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		$ 30,942	$ 20,811
Redemption frequency	[1]	Daily	Daily
Redemption notice period	[1]	2 days	2 days
Recurring | Not subject to redemption restriction | Managed investments | Overseas deposits
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		$ 0	$ 0
Recurring | Not subject to redemption restriction | Managed investments | Mutual funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		$ 5,368	$ 7,483
Redemption frequency	[1]	Daily	Daily
Minimum | Recurring | Subject to redemption restriction | Managed investments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Redemption restriction period		5 years
Maximum | Recurring | Subject to redemption restriction | Managed investments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Redemption restriction period		10 years

[1] The redemption frequency and notice periods only apply to investments without redemption restrictions.

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Investments (Investments in affiliates) (Details) - USD ($) $ in Thousands				3 Months Ended								12 Months Ended
	Nov. 07, 2014	Oct. 02, 2014	Dec. 20, 2011	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]
Investment affiliate, beginning of year							$ 87,673					$ 87,673
(Loss) income from investment affiliates				$ 2,166	$ 453	$ (589)	(4,113)	$ (1,261)	$ 2,482	$ 284	$ 2,776	(2,083)	$ 4,281	$ 8,411
Investment affiliate, end of year				100,431				87,673				100,431	87,673
Investments in investment affiliates, at cost				84,840				69,794				$ 84,840	69,794
Aquiline Financial Services Fund II LP
Schedule of Equity Method Investments [Line Items]
Investment time lag reporting												3 months
Related Party Transaction Assumption Of Interest Percentage												100.00%
Capital commitment		$ 10,000	$ 50,000
Aquiline Financial Services Fund III LP
Schedule of Equity Method Investments [Line Items]
Capital commitment	$ 100,000
Investment Affiliates [Member]
Schedule of Equity Method Investments [Line Items]
Investment affiliate, beginning of year							87,673				$ 63,506	$ 87,673	63,506
Net capital contributions												14,841	19,886
(Loss) income from investment affiliates												(2,083)	4,281
Investment affiliate, end of year				100,431				87,673				100,431	87,673	$ 63,506
Investments in investment affiliates, at cost				84,840				69,794				84,840	69,794
Investment Affiliates [Member] | Aquiline Financial Services Fund II LP
Schedule of Equity Method Investments [Line Items]
Investment affiliate, beginning of year							73,880					73,880
Investment affiliate, end of year				$ 61,999				$ 73,880				$ 61,999	$ 73,880
Voting ownership %				0.00%				0.00%				0.00%	0.00%
Equity ownership %				8.10%				8.10%				8.10%	8.10%
Investments in investment affiliates, at cost				$ 46,871				$ 55,904				$ 46,871	$ 55,904
Investment Affiliates [Member] | Aquiline Financial Services Fund III LP
Schedule of Equity Method Investments [Line Items]
Investment affiliate, beginning of year							$ 13,793					13,793
Investment affiliate, end of year				$ 38,432				$ 13,793				$ 38,432	$ 13,793
Voting ownership %				0.00%				0.00%				0.00%	0.00%
Equity ownership %				9.00%				13.70%				9.00%	13.70%
Investments in investment affiliates, at cost				$ 37,969				$ 13,890				$ 37,969	$ 13,890

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Investments (Components of net investment income) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net investment income
Net investment income	$ 38,153	$ 43,514	$ 39,257	$ 29,461	$ 31,612	$ 31,572	$ 33,611	$ 31,029	$ 150,385	$ 127,824	$ 100,086
Managed investments
Net investment income
Total gross investment income									149,939	128,861	103,272
Investment expenses									(8,221)	(7,695)	(7,472)
Net investment income									141,718	121,166	95,800
Managed investments | Fixed maturities and short-term investments
Net investment income
Total gross investment income									119,085	113,627	93,044
Managed investments | Other investments
Net investment income
Total gross investment income									27,860	13,307	5,111
Managed investments | Cash and cash equivalents and restricted cash
Net investment income
Total gross investment income									2,939	1,911	5,106
Managed investments | Securities lending income
Net investment income
Total gross investment income									55	16	11
Non-managed investments
Net investment income
Net investment income									8,667	6,658	4,286
Non-managed investments | Fixed maturities and short-term investments
Net investment income
Total gross investment income									6,931	6,528	4,204
Non-managed investments | Cash and cash equivalents and restricted cash
Net investment income
Total gross investment income									$ 1,736	$ 130	$ 82

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Investments (Realized and unrealized gains (losses)) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Fixed maturities, short-term and other investments
Net realized gains on investments	$ 9,220	$ 4,397	$ 2,724	$ (584)	$ (2,928)	$ (1,187)	$ 2,244	$ 4,169	$ 15,757	$ 2,298	$ 14,917
Change in net unrealized gains (losses) on managed investments (a)	$ (67,460)	$ 5,459	$ 31,428	$ 47,444	$ (34,862)	$ 3,916	$ (34,676)	$ 33,227	16,871	(32,395)	(2,842)
Total net realized gains and change in net unrealized gains (losses) gains on investments									32,628	(30,097)	12,075
Managed investments
Fixed maturities, short-term and other investments
Gross realized gains									22,491	15,678	20,201
Gross realized (losses)									(7,811)	(13,980)	(8,041)
Net realized gains on investments									14,680	1,698	12,160
Change in net unrealized gains (losses) on managed investments (a)									14,106	(32,007)	(1,030)
Total net realized gains and change in net unrealized gains (losses) gains on investments									28,786	(30,309)	11,130
Non-managed investments
Fixed maturities, short-term and other investments
Gross realized gains									1,086	611	2,757
Gross realized (losses)									(9)	(11)	0
Net realized gains on investments									1,077	600	2,757
Change in net unrealized gains (losses) on managed investments (a)									2,765	(388)	(1,812)
Total net realized gains and change in net unrealized gains (losses) gains on investments									$ 3,842	$ 212	$ 945

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Investments (Narrative) (Details) $ in Thousands		12 Months Ended
	Nov. 07, 2014 USD ($)	Dec. 31, 2016 USD ($) funds	Dec. 31, 2015 USD ($)
Schedule of Trading Securities and Other Trading Assets [Line Items]
Investments pledged as collateral		$ 442,184	$ 826,535
Other investments		$ 405,712	336,856
Securities lending - Percent of market value required in collateral		102.00%
Cash, cash equivalents and investments pledged as collateral		$ 5,173,966	4,056,788
Investments held in trust		5,068,092	4,007,215
Managed investments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		405,712	336,856
Managed investments | Fixed income investment funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		$ 242,093	188,721
Managed investments | Subject to redemption restriction | Fixed income investment funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Lock Up Period		3 years
Other investments		$ 184,749
Recurring | Managed investments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		405,712	336,856
Recurring | Managed investments | Fixed income investment funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		242,093	188,721
Recurring | Managed investments | Subject to redemption restriction
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		$ 369,402	308,562
Recurring | Managed investments | Subject to redemption restriction | Investment fund A [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Investments Number Of Funds | funds		1
Recurring | Managed investments | Subject to redemption restriction | Fixed income investment funds
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other investments		$ 211,151	$ 167,910
Aquiline Financial Services Fund III LP
Schedule of Trading Securities and Other Trading Assets [Line Items]
Capital commitment	$ 100,000

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Fair value measurements (Fair value hierarchy) (Details) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		$ 5,543,030	$ 5,510,331
Short-term investments		2,796,170	1,941,635
Other investments		405,712	336,856
Investments in investment affiliates		100,431	87,673
Total investments, at fair value		8,845,343	7,876,495
Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments, at fair value		8,845,343	7,876,495
Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments, at fair value		2,777,435	1,926,944
Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments, at fair value		5,279,272	5,307,479
Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments, at fair value		330,970	245,837
Fair value based on NAV practical expedient | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments, at fair value		357,235	308,562
Managed investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		5,384,699	5,323,952
Short-term investments		228,386	237,369
Other investments		405,712	336,856
Investments in investment affiliates	[1]	100,431	87,673
Total investments, at fair value		6,119,228	5,985,850
Managed investments | U.S. government and government agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		804,126	937,202
Managed investments | Non-U.S. government and government agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		240,791	237,968
Managed investments | U.S. states, municipalities and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		271,830	301,289
Managed investments | Agency residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		679,595	610,582
Managed investments | Non-agency residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		15,477	26,920
Managed investments | U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		1,534,508	1,489,951
Managed investments | Non-U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		410,227	446,570
Managed investments | Bank loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		570,399	576,211
Managed investments | Asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		526,814	437,124
Managed investments | Commercial mortgage backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		330,932	260,135
Managed investments | Fund of hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		955	1,417
Managed investments | Hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		17,381	20,980
Managed investments | Private equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		89,809	63,771
Managed investments | Fixed income investment funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		242,093	188,721
Managed investments | Overseas deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		50,106	54,484
Managed investments | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		5,368	7,483
Managed investments | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		5,384,699	5,323,952
Short-term investments		228,386	237,369
Other investments		405,712	336,856
Investments in investment affiliates	[2]	100,431	87,673
Total investments, at fair value		6,119,228	5,985,850
Managed investments | Recurring | U.S. government and government agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		804,126	937,202
Managed investments | Recurring | Non-U.S. government and government agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		240,791	237,968
Managed investments | Recurring | U.S. states, municipalities and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		271,830	301,289
Managed investments | Recurring | Agency residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		679,595	610,582
Managed investments | Recurring | Non-agency residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		15,477	26,920
Managed investments | Recurring | U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		1,534,508	1,489,951
Managed investments | Recurring | Non-U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		410,227	446,570
Managed investments | Recurring | Bank loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		570,399	576,211
Managed investments | Recurring | Asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		526,814	437,124
Managed investments | Recurring | Commercial mortgage backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		330,932	260,135
Managed investments | Recurring | Fund of hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		955	1,417
Managed investments | Recurring | Hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		17,381	20,980
Managed investments | Recurring | Private equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		89,809	63,771
Managed investments | Recurring | Fixed income investment funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		242,093	188,721
Managed investments | Recurring | Overseas deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		50,106	54,484
Managed investments | Recurring | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		5,368	7,483
Managed investments | Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Short-term investments		209,651	222,678
Other investments		0	0
Total investments, at fair value		209,651	222,678
Managed investments | Recurring | Level 1 | U.S. government and government agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 1 | Non-U.S. government and government agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 1 | U.S. states, municipalities and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 1 | Agency residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 1 | Non-agency residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 1 | U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 1 | Non-U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 1 | Bank loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 1 | Asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 1 | Commercial mortgage backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 1 | Fund of hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 1 | Hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 1 | Private equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 1 | Fixed income investment funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 1 | Overseas deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 1 | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		5,114,272	5,091,615
Short-term investments		18,735	14,691
Other investments		36,309	28,294
Total investments, at fair value		5,169,316	5,134,600
Managed investments | Recurring | Level 2 | U.S. government and government agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		804,126	937,202
Managed investments | Recurring | Level 2 | Non-U.S. government and government agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		240,791	237,968
Managed investments | Recurring | Level 2 | U.S. states, municipalities and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		271,830	301,289
Managed investments | Recurring | Level 2 | Agency residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		679,595	610,582
Managed investments | Recurring | Level 2 | Non-agency residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		15,477	26,920
Managed investments | Recurring | Level 2 | U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		1,534,508	1,489,951
Managed investments | Recurring | Level 2 | Non-U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		410,227	446,570
Managed investments | Recurring | Level 2 | Bank loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		323,903	343,874
Managed investments | Recurring | Level 2 | Asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		502,883	437,124
Managed investments | Recurring | Level 2 | Commercial mortgage backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		330,932	260,135
Managed investments | Recurring | Level 2 | Fund of hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 2 | Hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 2 | Private equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 2 | Fixed income investment funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		30,941	20,811
Managed investments | Recurring | Level 2 | Overseas deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 2 | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		5,368	7,483
Managed investments | Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		270,427	232,337
Short-term investments		0	0
Other investments		12,168	0
Total investments, at fair value		282,595	232,337
Managed investments | Recurring | Level 3 | U.S. government and government agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 3 | Non-U.S. government and government agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 3 | U.S. states, municipalities and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 3 | Agency residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 3 | Non-agency residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 3 | U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 3 | Non-U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 3 | Bank loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		246,496	232,337
Managed investments | Recurring | Level 3 | Asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		23,931	0
Managed investments | Recurring | Level 3 | Commercial mortgage backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Recurring | Level 3 | Fund of hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 3 | Hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 3 | Private equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 3 | Fixed income investment funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		12,168	0
Managed investments | Recurring | Level 3 | Overseas deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Recurring | Level 3 | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Managed investments | Fair value based on NAV practical expedient | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Short-term investments		0	0
Other investments		357,235	308,562
Total investments, at fair value		357,235	308,562
Managed investments | Fair value based on NAV practical expedient | Recurring | U.S. government and government agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Fair value based on NAV practical expedient | Recurring | Non-U.S. government and government agency
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Fair value based on NAV practical expedient | Recurring | U.S. states, municipalities and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Fair value based on NAV practical expedient | Recurring | Agency residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Fair value based on NAV practical expedient | Recurring | Non-agency residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Fair value based on NAV practical expedient | Recurring | U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Fair value based on NAV practical expedient | Recurring | Non-U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Fair value based on NAV practical expedient | Recurring | Bank loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Fair value based on NAV practical expedient | Recurring | Asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Fair value based on NAV practical expedient | Recurring | Commercial mortgage backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Managed investments | Fair value based on NAV practical expedient | Recurring | Fund of hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		955	1,417
Managed investments | Fair value based on NAV practical expedient | Recurring | Hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		17,381	20,980
Managed investments | Fair value based on NAV practical expedient | Recurring | Private equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		89,809	63,771
Managed investments | Fair value based on NAV practical expedient | Recurring | Fixed income investment funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		198,984	167,910
Managed investments | Fair value based on NAV practical expedient | Recurring | Overseas deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		50,106	54,484
Managed investments | Fair value based on NAV practical expedient | Recurring | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments		0	0
Non-managed investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		158,331	186,379
Short-term investments		2,567,784	1,704,266
Total investments, at fair value		2,726,115	1,890,645
Non-managed investments | Catastrophe bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		158,331	186,379
Non-managed investments | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments		2,567,784	1,704,266
Total investments, at fair value		2,726,115	1,890,645
Non-managed investments | Recurring | Catastrophe bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		158,331	186,379
Non-managed investments | Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments		2,567,784	1,704,266
Total investments, at fair value		2,567,784	1,704,266
Non-managed investments | Recurring | Level 1 | Catastrophe bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		0	0
Non-managed investments | Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments		0	0
Total investments, at fair value		109,956	172,879
Non-managed investments | Recurring | Level 2 | Catastrophe bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		109,956	172,879
Non-managed investments | Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments		0	0
Total investments, at fair value		48,375	13,500
Non-managed investments | Recurring | Level 3 | Catastrophe bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		48,375	13,500
Non-managed investments | Fair value based on NAV practical expedient | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments		0	0
Total investments, at fair value		0	0
Non-managed investments | Fair value based on NAV practical expedient | Recurring | Catastrophe bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed maturities, at fair value		$ 0	$ 0

[1] The Company’s investments in investment affiliates have been treated as equity method investments with the corresponding gains and losses recorded inincome as “Income (loss) from investment affiliates.”

[2] In accordance with ASC Topic 825 “Financial Instruments,” the Company’s investments in investment affiliates have not been classified in the fair value hierarchy.

XML

Fair value measurements (Level 3 rollforward) (Details) - Recurring - Level 3 - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Level 3, beginning of year	$ 245,837	$ 50,248
Purchases	156,681	230,070
Sales	(2,389)	(5,025)
Settlements	(69,621)	(27,429)
Net realized losses		(11)
Change in net unrealized (losses) gains	462	(2,016)
Level 3, end of year	330,970	245,837
Bank Loan Portfolio
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Level 3, beginning of year	232,337	32,748
Purchases	87,345	230,070
Sales	(2,389)	(1,036)
Settlements	(69,496)	(27,429)
Net realized losses		0
Change in net unrealized (losses) gains	(1,301)	(2,016)
Level 3, end of year	246,496	232,337
Catastrophe bonds
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Level 3, beginning of year	13,500	17,500
Purchases	33,272	0
Sales	0	(3,989)
Settlements	(125)	0
Net realized losses		(11)
Change in net unrealized (losses) gains	1,728	0
Level 3, end of year	48,375	13,500
Fixed income investment funds
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Level 3, beginning of year	0
Purchases	12,168
Sales	0
Settlements	0
Change in net unrealized (losses) gains	0
Level 3, end of year	12,168	0
Asset-backed Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Level 3, beginning of year	0
Purchases	23,896
Sales	0
Settlements	0
Change in net unrealized (losses) gains	35
Level 3, end of year	$ 23,931	$ 0

XML

Fair value measurements (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	$ 8,845,343	$ 7,876,495
Managed investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	6,119,228	5,985,850
Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	$ 8,845,343	7,876,495
Recurring | Hedge funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment time lag reporting	3 months
Recurring | Hedge fund side pocket
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment time lag reporting	3 months
Recurring | Minimum | Fixed income investment funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment time lag reporting	1 month
Recurring | Minimum | Private equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment time lag reporting	3 months
Recurring | Maximum | Fixed income investment funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment time lag reporting	3 months
Recurring | Maximum | Private equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment time lag reporting	6 months
Recurring | Managed investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	$ 6,119,228	5,985,850
Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Transfers into Level 3 during the year	0	0
Total investments	330,970	245,837
Recurring | Level 3 | Managed investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	$ 282,595	$ 232,337
Ratio of Level 3 investments to total investments (percent)	4.60%	3.90%

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Variable interest entities (Notes Payable to AlphaCat Investors) (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016 USD ($) funds	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) funds	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Variable Interest Entity [Line Items]
Income attributable to AlphaCat investors	$ 7,080	$ 5,564	$ 6,114	$ 4,600	$ 974	$ 1,438	$ 0	$ 0	$ 23,358	$ 2,412	$ 0
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Notes payable to AlphaCat investors, beginning of year				75,493				0	75,493	0
Issuance of notes payable to AlphaCat investors									406,037	75,770
Variable Interest Entity Redemption Of Notes Payable To AlphaCat Investors									204,038
Foreign exchange losses									710	(277)
Notes payable to AlphaCat investors, end of year	$ 278,202				75,493				$ 278,202	75,493	0
Variable Funding Notes, Typical Minimum Duration									12 months
AlphaCat ILS Funds
Variable Interest Entity [Line Items]
Number Of Funds | funds	1								1
AlphaCat ILS Funds | Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Risk Profile Percentage									7.00%
Variable Funding Note [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Notes payable to AlphaCat investors, beginning of year				75,493				0	$ 75,493	0
Issuance of notes payable to AlphaCat investors									311,711	75,770
Variable Interest Entity Redemption Of Notes Payable To AlphaCat Investors									109,712
Foreign exchange losses									710	(277)
Notes payable to AlphaCat investors, end of year	$ 278,202				75,493				$ 278,202	75,493	0
Structured Note [Member]
Variable Interest Entity [Line Items]
Structured Notes Interest Rate Percentage									8.00%
Structured Note [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Notes payable to AlphaCat investors, beginning of year				$ 0				$ 0	$ 0	0
Issuance of notes payable to AlphaCat investors									94,326	0
Variable Interest Entity Redemption Of Notes Payable To AlphaCat Investors									94,326
Foreign exchange losses									0	0
Notes payable to AlphaCat investors, end of year	$ 0				$ 0				0	0	$ 0
Accounts payable and accrued expenses
Variable Interest Entity [Line Items]
Variable Interest Entity Redemption Of Notes Payable To AlphaCat Investors									1,000
Income attributable to AlphaCat investors									$ 17,068	$ 2,412

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Variable interest entities (Assets and Liabilities of Consolidated VIEs) (Details) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2016 USD ($) subsidiaries	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) subsidiaries	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Variable Interest Entity [Line Items]
(Income) attributable to AlphaCat investors		$ (7,080)	$ (5,564)	$ (6,114)	$ (4,600)	$ (974)	$ (1,438)	$ 0	$ 0	$ (23,358)	$ (2,412)	$ 0
Accounts payable and accrued expenses
Variable Interest Entity [Line Items]
(Income) attributable to AlphaCat investors										$ (17,068)	(2,412)
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Variable Funding Notes, Typical Minimum Duration										12 months
AlphaCat Sidecars | Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Total assets		40,041				206,581				$ 40,041	206,581
Total liabilities		3,206				14,804				3,206	14,804
AlphaCat ILS Funds - Lower Risk (a) | Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Total assets	[1]	1,498,276				1,268,070				1,498,276	1,268,070
Total liabilities	[1]	42,457				143,371				42,457	143,371
AlphaCat ILS Funds - Higher Risk (a) | Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Total assets	[1]	972,633				522,867				972,633	522,867
Total liabilities	[1]	381,332				300,122				381,332	300,122
AlphaCat Re & Master Fund | Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Total assets		2,510,415				1,615,779				2,510,415	1,615,779
Total liabilities		$ 2,510,245				1,615,609				$ 2,510,245	1,615,609
BetaCat ILS Funds | Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Number of Consolidated Funds | subsidiaries		1								1
Total assets		$ 82,471				64,221				$ 82,471	64,221
Total liabilities		$ 30,663				$ 2,472				$ 30,663	$ 2,472

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Noncontrolling interests (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Noncontrolling Interest [Line Items]
Total, beginning of period				$ 1,266,376				$ 910,065	$ 1,266,376	$ 910,065
Issuance of shares									565,124	508,800
Income attributable to noncontrolling interest	$ 27,200	$ 37,439	$ 21,193	37,531	$ 25,996	$ 26,229	$ 22,561	18,178	123,363	92,964	$ 74,880
Redemption of shares / Distributions									(260,885)	(245,453)
Total, end of period	1,693,978				1,266,376				1,693,978	1,266,376	910,065
Redeemable Noncontrolling Interest
Noncontrolling Interest [Line Items]
Total, beginning of period				1,111,714				617,791	1,111,714	617,791
Issuance of shares									393,450	499,200
Income attributable to noncontrolling interest									100,852	71,418
Redemption of shares / Distributions									(78,015)	(76,695)
Total, end of period	1,528,001				1,111,714				1,528,001	1,111,714	617,791
Amounts payable to concontrolling interest	71,530				10,800				71,530	10,800
Noncontrolling Interest
Noncontrolling Interest [Line Items]
Total, beginning of period				$ 154,662				$ 292,274	154,662	292,274
Issuance of shares									171,674	9,600
Income attributable to noncontrolling interest									22,511	21,546
Redemption of shares / Distributions									(182,870)	(168,758)
Total, end of period	165,977				154,662				165,977	154,662	$ 292,274
Amounts payable to concontrolling interest	$ 16,144				$ 0				$ 16,144	$ 0

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Investment in operating affiliate (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]
Balance, beginning of period				$ 392					$ 392
Loss from operating affiliate	$ 0	$ 0	$ 0	(23)	$ (1,708)	$ (7,963)	$ 1,738	$ 3,984	(23)	$ (3,949)	$ (4,340)
Balance, end of period	0				392				0	392
Operating Affiliates | PacRe
Schedule of Equity Method Investments [Line Items]
Balance, beginning of period				$ 392				$ 50,944	392	50,944
Return of investment									(369)	(46,603)
Loss from operating affiliate									(23)	(3,949)
Balance, end of period	$ 0				392				$ 0	392	$ 50,944
Investment at cost					$ 392					$ 392
Voting ownership %					100.00%					100.00%
Equity ownership %					10.00%					10.00%

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Derivative instruments (Amount and balance sheet location) (Details) $ in Thousands	Dec. 31, 2016 USD ($) derivatives	Dec. 31, 2015 USD ($)
Interest rate swap contracts
Summary of amount of derivatives designated as hedging instruments
Derivative, Number of Instruments Held | derivatives	2
Not designated as hedging instruments | Foreign currency forward contracts
Summary of amount of derivatives designated as hedging instruments
Notional amount	$ 181,375	$ 255,840
Not designated as hedging instruments | Foreign currency forward contracts | Other assets
Summary of amount of derivatives designated as hedging instruments
Fair value, derivative assets	2,351	2,601
Not designated as hedging instruments | Foreign currency forward contracts | Accounts payable and accrued expenses
Summary of amount of derivatives designated as hedging instruments
Fair value, derivative liabilities	3,421	3,211
Designated as hedging instruments | Interest rate swap contracts
Summary of amount of derivatives designated as hedging instruments
Notional amount	552,263	552,263
Designated as hedging instruments | Interest rate swap contracts | Other assets
Summary of amount of derivatives designated as hedging instruments
Fair value, derivative assets	20	21
Designated as hedging instruments | Interest rate swap contracts | Accounts payable and accrued expenses
Summary of amount of derivatives designated as hedging instruments
Fair value, derivative liabilities	$ 1,479	$ 1,942

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Derivative instruments (Amount included in statement of operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Not designated as hedging instruments | Foreign exchange gain (loss)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (1,667)	$ (610)	$ 0
Not designated as hedging instruments | Other Income [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	142	139	(133)
Not designated as hedging instruments | Gain (Loss) on Investments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	8,518	0	0
Designated as hedging instruments | Fair value hedge | Foreign currency forward contracts | Foreign exchange gain (loss)
Derivatives designated as fair value hedges and related hedged item
Amount of gain (loss) recognized in income on derivative	0	(12,279)	(9,651)
Amount of gain (loss) on hedged item recognized in income attributable to risk being hedged	0	12,279	9,651
Amount of gain (loss) recognized in income on derivative (ineffective portion)	0		0
Designated as hedging instruments | Cash flow hedge | Interest rate swap contracts
Derivative Instruments designated as a cash flow hedge
Amount of ineffective portion excluded from effectiveness testing	277	(841)	(228)
Designated as hedging instruments | Cash flow hedge | Interest rate swap contracts | Other comprehensive income
Derivative Instruments designated as a cash flow hedge
Amount of effective portion recognized in other comprehensive income	10,584	13,740	13,302
Designated as hedging instruments | Cash flow hedge | Interest rate swap contracts | Finance expenses
Derivative Instruments designated as a cash flow hedge
Amount of effective portion subsequently reclassified to earnings	$ (10,861)	$ (12,899)	$ (13,074)

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Premiums receivable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Premiums Receivable Reconciliation [Line Items]
Balance at beginning of period	$ 658,682	$ 706,467
Change in premiums receivable during period	66,708	(47,785)
Balance at end of period	725,390	658,682
Premiums in course of collection
Premiums Receivable Reconciliation [Line Items]
Balance at beginning of period	95,152	84,901
Change in premiums receivable during period	6,250	10,251
Balance at end of period	101,402	95,152
Premiums accrued but unbilled
Premiums Receivable Reconciliation [Line Items]
Balance at beginning of period	563,530	621,566
Change in premiums receivable during period	60,458	(58,036)
Balance at end of period	$ 623,988	$ 563,530

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Reserve for losses and loss expenses (Analysis of paid and unpaid losses and reconciliation of beginning and ending unpaid losses and loss expenses) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Reserve for losses and loss expenses, beginning of year				$ 2,996,567				$ 3,243,147	$ 2,996,567	$ 3,243,147	$ 3,047,933
Loss reserves recoverable, beginning of year				(350,586)				(377,466)	(350,586)	(377,466)	(370,154)
Net reserve for losses and loss expenses, beginning of year				2,645,981				2,865,681	2,645,981	2,865,681	2,677,779
Net reserves acquired									0	0	525,091
Increase (decrease) in net losses and loss expenses incurred in respect of losses occurring in:
Current year									1,281,289	1,283,970	1,024,256
Prior years									(216,192)	(306,137)	(259,241)
Total incurred losses and loss expenses									1,065,097	977,833	765,015
Less net losses and loss expenses paid in respect of losses occurring in:
Current year									(389,234)	(326,167)	(245,084)
Prior years									(725,168)	(841,672)	(818,569)
Total net paid losses									(1,114,402)	(1,167,839)	(1,063,653)
Foreign exchange gain									(31,902)	(29,694)	(38,551)
Net reserve for losses and loss expenses, end of year	$ 2,564,774				$ 2,645,981				2,564,774	2,645,981	2,865,681
Loss reserves recoverable, end of year	(430,421)				(350,586)				(430,421)	(350,586)	(377,466)
Reserve for losses and loss expenses, end of year	2,995,195				2,996,567				2,995,195	2,996,567	3,243,147
Incurred losses and loss adjustment expenses comprise:
Gross losses and loss adjustment expenses									1,257,054	1,083,695	826,826
Reinsurance recoverable									(191,957)	(105,862)	(61,811)
Net incurred losses and loss expenses	275,126	$ 258,394	$ 307,130	$ 224,447	214,748	$ 256,010	$ 266,146	$ 240,929	1,065,097	977,833	$ 765,015
Liability for unpaid losses and loss expenses by type
Reserves, reported claims	1,237,772				1,278,697				1,237,772	1,278,697
Reserves, incurred but not reported claims	$ 1,757,423				$ 1,717,870				$ 1,757,423	$ 1,717,870

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Reserve for losses and loss expenses (Prior year development) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	$ (216,192)	$ (306,137)	$ (259,241)
Property
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(100,815)	(136,978)	(148,055)
Marine
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(36,173)	(103,380)	(38,227)
Specialty
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(72,793)	(48,857)	(60,696)
Liability
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(6,411)	(16,922)	(12,263)
Validus Re
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(118,533)	(128,616)	(87,600)
Validus Re | Property
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(57,888)	(70,343)	(76,064)
Validus Re | Marine
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(24,435)	(39,460)	(6,830)
Validus Re | Specialty
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(36,210)	(18,813)	(4,706)
Validus Re | Liability
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	0	0	0
Talbot
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(85,810)	(146,357)	(141,166)
Talbot | Property
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(38,368)	(52,393)	(53,779)
Talbot | Marine
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(11,738)	(63,920)	(31,397)
Talbot | Specialty
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(35,704)	(30,044)	(55,990)
Talbot | Liability
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	0	0	0
Western World Insurance Group, Inc
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(9,112)	(22,967)	(11,240)
Western World Insurance Group, Inc | Property
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(2,701)	(6,045)	1,023
Western World Insurance Group, Inc | Marine
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	0	0	0
Western World Insurance Group, Inc | Specialty
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	0	0	0
Western World Insurance Group, Inc | Liability
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(6,411)	(16,922)	(12,263)
AlphaCat
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(2,737)	(8,197)	(19,235)
AlphaCat | Property
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(1,858)	(8,197)	(19,235)
AlphaCat | Marine
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	0	0	0
AlphaCat | Specialty
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	(879)	0	0
AlphaCat | Liability
Liability for Claims and Claims Adjustment Expense [Line Items]
Net favorable development on prior years	$ 0	$ 0	$ 0

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Reserve for losses and loss expenses (Claims development triangles) (Details) $ in Thousands	Dec. 31, 2016 USD ($) Claims	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2009 USD ($)	Dec. 31, 2008 USD ($)	Dec. 31, 2007 USD ($)
Claims Development [Line Items]
Reserves for losses and loss expenses, net of reinsurance	$ 2,459,039
Validus Re | Property
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	776,380
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	511,432
Liabilities for losses and loss expenses, before 2012, net of reinsurance	154,539
Reserves for losses and loss expenses, net of reinsurance	419,487
Validus Re | Property | 2016
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	149,263
Total of IBNR Reserves Plus Expected Development on Reported Losses	86,564
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	26,522
Validus Re | Property | 2015
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	118,484	$ 154,923
Total of IBNR Reserves Plus Expected Development on Reported Losses	41,177
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	57,882	16,029
Validus Re | Property | 2014
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	95,392	102,273	$ 108,206
Total of IBNR Reserves Plus Expected Development on Reported Losses	6,757
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	78,509	63,415	25,346
Validus Re | Property | 2013
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	132,830	141,203	156,233	$ 174,722
Total of IBNR Reserves Plus Expected Development on Reported Losses	7,233
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	114,263	101,158	63,974	17,325
Validus Re | Property | 2012
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	280,411	282,517	309,344	321,956	$ 397,635
Total of IBNR Reserves Plus Expected Development on Reported Losses	19,108
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	234,256	225,518	202,141	149,433	67,004
Validus Re | Marine
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	501,814
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	265,048
Liabilities for losses and loss expenses, before 2012, net of reinsurance	64,750
Reserves for losses and loss expenses, net of reinsurance	301,516
Validus Re | Marine | 2016
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	68,531
Total of IBNR Reserves Plus Expected Development on Reported Losses	49,619
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	8,801
Validus Re | Marine | 2015
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	119,490	129,864
Total of IBNR Reserves Plus Expected Development on Reported Losses	55,557
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	16,180	3,723
Validus Re | Marine | 2014
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	35,910	42,991	63,732
Total of IBNR Reserves Plus Expected Development on Reported Losses	7,418
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	17,383	11,749	7,013
Validus Re | Marine | 2013
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	61,210	63,630	74,022	76,776
Total of IBNR Reserves Plus Expected Development on Reported Losses	7,347
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	44,512	39,493	28,996	11,784
Validus Re | Marine | 2012
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	216,673	218,734	225,131	226,817	195,163
Total of IBNR Reserves Plus Expected Development on Reported Losses	19,725
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	178,172	169,420	148,628	94,052	11,356
Validus Re | Specialty
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	997,132
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	773,669
Liabilities for losses and loss expenses, before 2012, net of reinsurance	67,909
Reserves for losses and loss expenses, net of reinsurance	291,372
Validus Re | Specialty | 2016
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	295,872
Total of IBNR Reserves Plus Expected Development on Reported Losses	128,761
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	149,502
Validus Re | Specialty | 2015
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	279,766	296,554
Total of IBNR Reserves Plus Expected Development on Reported Losses	32,236
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	235,819	177,776
Validus Re | Specialty | 2014
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	200,649	208,508	213,911
Total of IBNR Reserves Plus Expected Development on Reported Losses	8,372
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	176,202	162,056	95,765
Validus Re | Specialty | 2013
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	174,219	178,736	190,470	182,297
Total of IBNR Reserves Plus Expected Development on Reported Losses	1,974
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	166,814	164,366	157,688	99,340
Validus Re | Specialty | 2012
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	46,626	47,428	49,263	54,573	53,798
Total of IBNR Reserves Plus Expected Development on Reported Losses	733
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	45,332	44,942	44,037	41,156	17,716
Talbot | Property
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	584,008
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	363,041
Liabilities for losses and loss expenses, before 2012, net of reinsurance	12,180
Reserves for losses and loss expenses, net of reinsurance	233,147
Talbot | Property | 2016
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	177,771
Total of IBNR Reserves Plus Expected Development on Reported Losses	76,755
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	37,880
Talbot | Property | 2015
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	109,608	138,087
Total of IBNR Reserves Plus Expected Development on Reported Losses	12,696
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	63,437	24,537
Talbot | Property | 2014
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	114,852	121,260	147,259
Total of IBNR Reserves Plus Expected Development on Reported Losses	5,528
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	95,945	74,493	21,249
Talbot | Property | 2013
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	81,004	83,426	96,814	118,167
Total of IBNR Reserves Plus Expected Development on Reported Losses	605
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	73,267	67,328	48,231	12,813
Talbot | Property | 2012
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	100,773	101,387	100,748	112,488	135,923
Total of IBNR Reserves Plus Expected Development on Reported Losses	2,413
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	92,512	88,150	83,824	61,490	13,051
Talbot | Marine
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	846,754
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	494,362
Liabilities for losses and loss expenses, before 2012, net of reinsurance	44,753
Reserves for losses and loss expenses, net of reinsurance	397,145
Talbot | Marine | 2016
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	159,153
Total of IBNR Reserves Plus Expected Development on Reported Losses	89,536
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	35,105
Talbot | Marine | 2015
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	192,818	187,790
Total of IBNR Reserves Plus Expected Development on Reported Losses	54,285
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	73,957	25,300
Talbot | Marine | 2014
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	154,105	155,361	180,401
Total of IBNR Reserves Plus Expected Development on Reported Losses	13,671
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	102,788	74,547	24,433
Talbot | Marine | 2013
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	161,839	168,203	188,991	189,091
Total of IBNR Reserves Plus Expected Development on Reported Losses	11,372
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	125,037	112,781	88,494	38,416
Talbot | Marine | 2012
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	178,839	182,283	186,278	203,855	208,883
Total of IBNR Reserves Plus Expected Development on Reported Losses	5,154
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	157,475	153,550	136,335	105,600	36,491
Talbot | Specialty
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	757,365
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	460,492
Liabilities for losses and loss expenses, before 2012, net of reinsurance	45,486
Reserves for losses and loss expenses, net of reinsurance	342,359
Talbot | Specialty | 2016
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	166,604
Total of IBNR Reserves Plus Expected Development on Reported Losses	105,142
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	33,468
Talbot | Specialty | 2015
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	149,031	152,907
Total of IBNR Reserves Plus Expected Development on Reported Losses	39,447
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	85,397	35,724
Talbot | Specialty | 2014
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	198,653	214,962	215,960
Total of IBNR Reserves Plus Expected Development on Reported Losses	39,248
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	135,526	107,882	41,183
Talbot | Specialty | 2013
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	124,208	132,797	145,905	166,450
Total of IBNR Reserves Plus Expected Development on Reported Losses	8,724
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	100,213	91,940	77,428	42,325
Talbot | Specialty | 2012
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	118,869	120,621	122,760	132,735	151,306
Total of IBNR Reserves Plus Expected Development on Reported Losses	5,886
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	105,888	87,753	83,201	57,906	25,591
Western World Insurance Group, Inc | Property
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	193,722
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	174,956
Liabilities for losses and loss expenses, before 2012, net of reinsurance	0
Reserves for losses and loss expenses, net of reinsurance	18,766
Western World Insurance Group, Inc | Property | 2016
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	46,636
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 9,324
Cumulative Reported Claims Count | Claims	1,587
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 29,666
Western World Insurance Group, Inc | Property | 2015
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	26,002	27,879
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 135
Cumulative Reported Claims Count | Claims	1,788
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 25,302	18,981
Western World Insurance Group, Inc | Property | 2014
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	28,619	29,282	35,612
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 103
Cumulative Reported Claims Count | Claims	2,393
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 27,606	27,211	21,913
Western World Insurance Group, Inc | Property | 2013
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	23,599	23,659	23,561	21,825
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 0
Cumulative Reported Claims Count | Claims	1,950
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 23,561	23,104	22,647	15,568
Western World Insurance Group, Inc | Property | 2012
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	15,522	15,556	15,594	15,491	15,506
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 0
Cumulative Reported Claims Count | Claims	1,680
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 15,522	15,513	15,435	14,838	11,166
Western World Insurance Group, Inc | Property | 2011
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	12,021	12,012	12,134	12,000	12,223	$ 12,588
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 0
Cumulative Reported Claims Count | Claims	1,238
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 12,021	12,009	12,027	11,976	12,000	9,797
Western World Insurance Group, Inc | Property | 2010
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	11,332	11,438	11,448	11,414	11,507	11,573	$ 11,846
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 0
Cumulative Reported Claims Count | Claims	974
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 11,287	10,903	10,882	10,854	10,905	10,521	8,563
Western World Insurance Group, Inc | Property | 2009
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	10,060	10,060	10,060	10,060	10,034	10,039	10,005	$ 10,300
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 0
Cumulative Reported Claims Count | Claims	784
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 10,060	10,060	10,060	10,060	10,003	9,942	9,948	8,096
Western World Insurance Group, Inc | Property | 2008
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	11,724	11,724	11,724	11,721	11,729	11,762	11,805	11,615	$ 12,094
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 0
Cumulative Reported Claims Count | Claims	412
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 11,724	11,724	11,724	11,721	11,714	11,747	11,672	11,288	8,895
Western World Insurance Group, Inc | Property | 2007
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	8,207	8,207	8,207	8,206	8,206	8,209	8,209	8,218	8,161	$ 8,520
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 0
Cumulative Reported Claims Count | Claims	841
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 8,207	8,207	8,207	8,206	8,206	8,206	8,206	8,192	7,968	5,418
Western World Insurance Group, Inc | Liability
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	1,296,661
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	850,358
Liabilities for losses and loss expenses, before 2012, net of reinsurance	8,944
Reserves for losses and loss expenses, net of reinsurance	455,247
Western World Insurance Group, Inc | Liability | 2016
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	133,303
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 104,906
Cumulative Reported Claims Count | Claims	3,156
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 9,873
Western World Insurance Group, Inc | Liability | 2015
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	158,591	154,184
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 76,092
Cumulative Reported Claims Count | Claims	5,152
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 39,598	12,662
Western World Insurance Group, Inc | Liability | 2014
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	203,592	197,388	197,022
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 44,988
Cumulative Reported Claims Count | Claims	7,469
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 98,848	52,543	16,468
Western World Insurance Group, Inc | Liability | 2013
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	158,329	164,428	165,233	132,077
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 17,049
Cumulative Reported Claims Count | Claims	5,990
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 108,613	77,776	41,782	10,159
Western World Insurance Group, Inc | Liability | 2012
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	127,486	132,562	133,990	111,283	108,981
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 9,410
Cumulative Reported Claims Count | Claims	4,649
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 108,409	92,499	65,437	31,291	8,823
Western World Insurance Group, Inc | Liability | 2011
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	108,301	109,183	109,412	107,827	107,741	101,091
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 4,627
Cumulative Reported Claims Count | Claims	4,372
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 96,780	88,415	75,000	50,197	27,438	7,331
Western World Insurance Group, Inc | Liability | 2010
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	103,973	106,066	105,400	112,072	111,675	108,823	101,223
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 3,877
Cumulative Reported Claims Count | Claims	4,205
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 96,309	92,889	84,320	71,430	51,765	28,393	8,215
Western World Insurance Group, Inc | Liability | 2009
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	95,266	96,235	98,261	116,327	116,463	116,990	116,780	116,474
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 2,173
Cumulative Reported Claims Count | Claims	3,955
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 90,415	89,688	85,644	77,895	65,009	48,255	30,131	10,023
Western World Insurance Group, Inc | Liability | 2008
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	101,478	102,070	102,424	129,559	131,006	133,088	135,330	135,280	135,009
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 2,075
Cumulative Reported Claims Count | Claims	4,950
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 97,475	95,773	93,563	89,433	82,661	71,239	51,165	28,467	8,654
Western World Insurance Group, Inc | Liability | 2007
Claims Development [Line Items]
Incurred Losses and Loss Expenses, Net of Reinsurance	106,342	107,350	107,894	149,994	152,163	154,499	158,478	160,117	162,239	164,717
Total of IBNR Reserves Plus Expected Development on Reported Losses	$ 1,981
Cumulative Reported Claims Count | Claims	4,727
Cumulative Paid Losses and Loss Expenses, Net of Reinsurance	$ 104,038	$ 103,961	$ 102,600	$ 99,978	$ 96,658	$ 91,020	$ 80,218	$ 58,358	$ 30,741	$ 10,723

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Reserve for losses and loss expenses (Reconciliation of loss development information to reserves for losses and loss expenses) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reserves for losses and loss expenses, net of reinsurance	$ 2,459,039
Loss reserves recoverable	430,421	$ 350,586	$ 377,466	$ 370,154
Unallocated loss adjustment expenses	51,990
Allowance for reinsurance recoverable	5,153	4,997
Other	58
Reserve for losses and loss expenses	2,995,195	$ 2,996,567	$ 3,243,147	$ 3,047,933
Validus Re | Property
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reserves for losses and loss expenses, net of reinsurance	419,487
Loss reserves recoverable	42,873
Validus Re | Marine
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reserves for losses and loss expenses, net of reinsurance	301,516
Loss reserves recoverable	52,970
Validus Re | Specialty
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reserves for losses and loss expenses, net of reinsurance	291,372
Loss reserves recoverable	2,162
Talbot | Property
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reserves for losses and loss expenses, net of reinsurance	233,147
Loss reserves recoverable	93,774
Talbot | Marine
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reserves for losses and loss expenses, net of reinsurance	397,145
Loss reserves recoverable	125,677
Talbot | Specialty
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reserves for losses and loss expenses, net of reinsurance	342,359
Loss reserves recoverable	86,587
Western World Insurance Group, Inc | Property
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reserves for losses and loss expenses, net of reinsurance	18,766
Loss reserves recoverable	187
Western World Insurance Group, Inc | Liability
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reserves for losses and loss expenses, net of reinsurance	455,247
Loss reserves recoverable	87,300
AlphaCat
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reserve for losses and loss expenses	48,534
Corporate & Eliminations
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Loss reserves recoverable	$ (61,109)

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Reserve for losses and loss expenses (Historical loss duration) (Details)	Dec. 31, 2016
Validus Re | Property
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Year 1	19.00%
Year 2	34.90%
Year 3	20.90%
Year 4	9.10%
Year 5	3.10%
Validus Re | Marine
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Year 1	12.00%
Year 2	22.50%
Year 3	19.30%
Year 4	8.90%
Year 5	4.00%
Validus Re | Specialty
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Year 1	51.40%
Year 2	34.40%
Year 3	5.70%
Year 4	1.70%
Year 5	0.80%
Talbot | Property
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Year 1	18.20%
Year 2	43.40%
Year 3	21.50%
Year 4	5.80%
Year 5	4.30%
Talbot | Marine
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Year 1	19.00%
Year 2	31.80%
Year 3	16.80%
Year 4	8.60%
Year 5	2.20%
Talbot | Specialty
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Year 1	24.10%
Year 2	30.60%
Year 3	15.60%
Year 4	5.20%
Year 5	15.30%
Western World Insurance Group, Inc | Property
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Year 1	73.10%
Year 2	22.40%
Year 3	2.00%
Year 4	0.50%
Year 5	0.10%
Year 6	0.10%
Year 7	0.90%
Year 8	0.00%
Year 9	0.00%
Year 10	0.00%
Western World Insurance Group, Inc | Liability
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Year 1	8.10%
Year 2	18.90%
Year 3	22.90%
Year 4	20.10%
Year 5	12.00%
Year 6	7.20%
Year 7	3.70%
Year 8	1.80%
Year 9	1.50%
Year 10	0.10%

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Reserve for losses and loss expenses (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2013
Liability for Claims and Claims Adjustment Expense [Line Items]
Reserve for losses and loss expenses	$ 2,996,567	$ 3,243,147	$ 2,995,195	$ 3,047,933
Western World Insurance Group, Inc
Liability for Claims and Claims Adjustment Expense [Line Items]
Fair value adjustment to net reserves	15,586
Amortized to income during the period	$ 10,979	$ 4,607
AlphaCat
Liability for Claims and Claims Adjustment Expense [Line Items]
Percentage of Total Reserves			1.90%
Reserve for losses and loss expenses			$ 48,534
Property | Western World Insurance Group, Inc
Liability for Claims and Claims Adjustment Expense [Line Items]
Liabilities for losses and loss expenses, before 2012, net of reinsurance			0
Property | Validus Re
Liability for Claims and Claims Adjustment Expense [Line Items]
Liabilities for losses and loss expenses, before 2012, net of reinsurance			154,539
Property | Flagstone [Member] | Validus Re
Liability for Claims and Claims Adjustment Expense [Line Items]
Liabilities for losses and loss expenses, before 2012, net of reinsurance			77,790
Property | IPC [Member] | Validus Re
Liability for Claims and Claims Adjustment Expense [Line Items]
Liabilities for losses and loss expenses, before 2012, net of reinsurance			10,614
Marine | Validus Re
Liability for Claims and Claims Adjustment Expense [Line Items]
Liabilities for losses and loss expenses, before 2012, net of reinsurance			64,750
Marine | Flagstone [Member] | Validus Re
Liability for Claims and Claims Adjustment Expense [Line Items]
Liabilities for losses and loss expenses, before 2012, net of reinsurance			15,178
Marine | IPC [Member] | Validus Re
Liability for Claims and Claims Adjustment Expense [Line Items]
Liabilities for losses and loss expenses, before 2012, net of reinsurance			1,537
Specialty | Validus Re
Liability for Claims and Claims Adjustment Expense [Line Items]
Liabilities for losses and loss expenses, before 2012, net of reinsurance			67,909
Specialty | Flagstone [Member] | Validus Re
Liability for Claims and Claims Adjustment Expense [Line Items]
Liabilities for losses and loss expenses, before 2012, net of reinsurance			41,091
Specialty | IPC [Member] | Validus Re
Liability for Claims and Claims Adjustment Expense [Line Items]
Liabilities for losses and loss expenses, before 2012, net of reinsurance			$ 5,743

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Accounts payable and accrued expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accounts Payable and Accrued Liabilities [Abstract]
Accrued interest on debt	$ 10,286	$ 10,771
Subscriptions received in advance on AlphaCat ILS funds and sidecars	326,900	412,036
Redemptions made on AlphaCat ILS funds	87,674	10,800
Structured notes payable	1,000	0
Accrued income attributable to AlphaCat investors	17,068	2,412
Income tax payable	1,036	8,856
Accrued pension liability	16,979	15,722
Trade and compensation payables	126,705	166,734
Total	587,648	627,331
Noncash Movements Related to Variable Interest Entities	217,322	(10,239)	$ 7,847
Noncash Movements Related to Redemptions	77,873	(10,239)	7,847
Noncash Movements Related to Subscriptions	$ 139,449	$ 0	$ 0

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Reinsurance (Components of reinsurance recoverable) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reinsurance Disclosures [Abstract]
Case reserves	$ 165,328	$ 135,723
IBNR	265,093	214,863
Loss reserves recoverable	430,421	350,586	$ 377,466	$ 370,154
Paid losses recoverable	35,247	23,071
Total reinsurance recoverable	$ 465,668	$ 373,657

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Reinsurance (Effect on premiums written and earned) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Written:
Treaty reinsurance									$ 1,501,079	$ 1,393,440	$ 1,340,939
Facultative reinsurance									293,741	325,311	334,898
Direct									853,885	838,755	683,028
Ceded	$ (40,635)	$ (45,006)	$ (36,229)	$ (167,835)	$ (33,128)	$ (48,810)	$ (55,418)	$ (191,325)	(289,705)	(328,681)	(313,208)
Net premiums written	298,819	327,412	727,813	1,004,956	276,477	353,699	670,750	927,899	2,359,000	2,228,825	2,045,657
Earned:
Treaty reinsurance									1,408,995	1,397,409	1,338,663
Facultative reinsurance									307,351	330,472	345,252
Direct									823,641	852,256	656,974
Ceded									(290,822)	(333,248)	(347,834)
Net premiums earned	$ 540,399	$ 563,775	$ 573,723	$ 571,268	$ 543,300	$ 555,011	$ 572,688	$ 575,890	2,249,165	2,246,889	1,993,055
Eliminations
Written:
Treaty reinsurance									(26,673)	(42,718)	(53,457)
Facultative reinsurance									0	0	0
Direct									0	0	0
Ceded									26,673	42,718	53,457
Net premiums written									0	0	0
Earned:
Treaty reinsurance									(23,035)	(45,115)	(60,912)
Facultative reinsurance									0	0	0
Direct									0	0	0
Ceded									23,035	45,115	60,912
Net premiums earned									0	0	0
Operating Segments | Validus Re
Written:
Treaty reinsurance									1,111,054	1,126,759	1,118,532
Facultative reinsurance									0	0	0
Direct									0	0	0
Ceded									(111,564)	(149,088)	(163,678)
Net premiums written									999,490	977,671	954,854
Earned:
Treaty reinsurance									1,060,117	1,141,184	1,109,659
Facultative reinsurance									0	0	0
Direct									0	0	0
Ceded									(116,172)	(150,971)	(192,375)
Net premiums earned									943,945	990,213	917,284
Operating Segments | Talbot
Written:
Treaty reinsurance									146,296	133,273	149,079
Facultative reinsurance									293,741	325,311	334,898
Direct									530,665	560,251	617,793
Ceded									(175,729)	(198,896)	(192,211)
Net premiums written									794,973	819,939	909,559
Earned:
Treaty reinsurance									115,828	136,796	163,382
Facultative reinsurance									307,351	330,472	345,252
Direct									529,265	570,669	576,136
Ceded									(170,528)	(199,846)	(204,996)
Net premiums earned									781,916	838,091	879,774
Operating Segments | Western World Insurance Group, Inc
Written:
Treaty reinsurance									0	0	0
Facultative reinsurance									0	0	0
Direct									323,220	278,504	65,235
Ceded									(22,634)	(18,877)	(6,428)	[1]
Net premiums written									300,586	259,627	58,807	[1]
Earned:
Treaty reinsurance									0	0	0
Facultative reinsurance									0	0	0
Direct									294,376	281,587	80,838
Ceded									(21,144)	(22,937)	(7,842)
Net premiums earned									273,232	258,650	72,996	[1]
Operating Segments | AlphaCat & Consolidated Variable Interest Entities
Written:
Treaty reinsurance									270,402	176,126	126,785
Facultative reinsurance									0	0	0
Direct									0	0	0
Ceded									(6,451)	(4,538)	(4,348)
Net premiums written									263,951	171,588	122,437
Earned:
Treaty reinsurance									256,085	164,544	126,534
Facultative reinsurance									0	0	0
Direct									0	0	0
Ceded									(6,013)	(4,609)	(3,533)
Net premiums earned									$ 250,072	$ 159,935	$ 123,001

[1] The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

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Reinsurance (Reinsurance recoverables by reinsurer) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Ceded Credit Risk [Line Items]
Allowance for reinsurance recoverable	$ 5,153	$ 4,997
Reinsurance Recoverable [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 465,668	$ 373,657
Percentage of total reinsurance recoverable	100.00%	100.00%
Reinsurance Recoverable [Member] | A Minus Or Better Rating [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 461,369	$ 368,638
Percentage of total reinsurance recoverable	99.10%	98.70%
Reinsurance Recoverable [Member] | Top 10 reinsurers [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 395,308	$ 303,108
Percentage of total reinsurance recoverable	84.90%	81.10%
Reinsurance Recoverable [Member] | Top 10 reinsurers [Member] | Lloyds Syndicates [Member] | A (plus) [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 84,419	$ 66,356
Percentage of total reinsurance recoverable	18.20%	17.80%
Reinsurance Recoverable [Member] | Top 10 reinsurers [Member] | Swiss Re [Member] | AA- [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 84,044	$ 83,048
Percentage of total reinsurance recoverable	18.10%	22.20%
Reinsurance Recoverable [Member] | Top 10 reinsurers [Member] | Fully Collateralized [Member] | NR [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 83,088
Percentage of total reinsurance recoverable	17.80%
Reinsurance Recoverable [Member] | Top 10 reinsurers [Member] | Hannover Re [Member] | AA- [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 50,603	$ 43,765
Percentage of total reinsurance recoverable	10.90%	11.70%
Reinsurance Recoverable [Member] | Top 10 reinsurers [Member] | Everest Re [Member] | A (plus) [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 36,912	$ 43,060
Percentage of total reinsurance recoverable	7.90%	11.50%
Reinsurance Recoverable [Member] | Top 10 reinsurers [Member] | Munich Re [Member] | AA- [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 18,214	$ 18,707
Percentage of total reinsurance recoverable	3.90%	5.00%
Reinsurance Recoverable [Member] | Top 10 reinsurers [Member] | Transatlantic Re [Member] | A (plus) [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 10,593	$ 11,923
Percentage of total reinsurance recoverable	2.30%	3.20%
Reinsurance Recoverable [Member] | Top 10 reinsurers [Member] | Hamilton Re [Member] | A- Rating [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 10,343	$ 10,898
Percentage of total reinsurance recoverable	2.20%	2.90%
Reinsurance Recoverable [Member] | Top 10 reinsurers [Member] | Toa Re [Member] | A (plus) [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 9,510	$ 6,330
Percentage of total reinsurance recoverable	2.00%	1.70%
Reinsurance Recoverable [Member] | Top 10 reinsurers [Member] | National Indemnity Company [Member] | AA (plus) [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 7,582	$ 10,293
Percentage of total reinsurance recoverable	1.60%	2.80%
Reinsurance Recoverable [Member] | Top 10 reinsurers [Member] | XL Re [Member] | A (plus) [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable		$ 8,728
Percentage of total reinsurance recoverable		2.30%
Reinsurance Recoverable [Member] | Other Reinsurers Balances Greater Than One Million Dollars [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 66,944	$ 61,222
Percentage of total reinsurance recoverable	14.40%	16.40%
Reinsurance Recoverable [Member] | Other Reinsurers Balances Less Than One Million Dollars [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverable	$ 3,416	$ 9,327
Percentage of total reinsurance recoverable	0.70%	2.50%

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Share capital (Preferred shares) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Class of Stock [Line Items]
Proportionate Interest of Series A Preference Shares, Per Depositary Share	0.10%
Preferred shares issued at beginning of year	0
Preferred shares issued	0	639	1,380
Preferred shares issued at end of year	6,000	0
Net proceeds on issuance of preferred shares	$ 144,852	$ 0	$ 0
Series A Preferred Stock
Class of Stock [Line Items]
Preferred shares issued at beginning of year	0
Preferred shares issued	6,000
Preferred shares issued at end of year	6,000	0
Preferred Stock, Dividend Rate, Percentage	5.875%
Preferred Stock, Par or Stated Value Per Share	$ 0.175
Preferred Stock, Liquidation Preference Per Share	$ 25,000
Depositary Share Equivalent
Class of Stock [Line Items]
Preferred shares issued at end of year	6,000,000
Preferred Stock, Liquidation Preference Per Share	$ 25
On or after June 15, 2021 | Series A Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Redemption Price Per Share	25,000
On or after June 15, 2021 | Depositary Share Equivalent
Class of Stock [Line Items]
Preferred Stock, Redemption Price Per Share	25
Prior to redemption if change in law or capital disqualification event | Series A Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Redemption Price Per Share	25,000
Prior to redemption if change in law or capital disqualification event | Depositary Share Equivalent
Class of Stock [Line Items]
Preferred Stock, Redemption Price Per Share	25
Prior to redemption date
Class of Stock [Line Items]
Preferred Stock, Redemption Price Per Share	26
Prior to redemption date | Series A Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Redemption Price Per Share	$ 26,000

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Share capital (Summary of common shares issued and outstanding) (Details) - shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Summary of common shares issued and outstanding
Common shares issued, beginning balance	160,570,772	155,554,224	154,488,497
Options exercised	30,530	782,465	412,656
Warrants exercised	0	3,593,715
Direct issuance of common stock	0	639	1,380
Common shares issued, ending balance	161,279,976	160,570,772	155,554,224
Treasury shares, ending balance	(82,147,724)	(77,670,155)	(71,684,379)
Common shares outstanding, ending balance	79,132,252	82,900,617	83,869,845
Restricted Stock [Member]
Summary of common shares issued and outstanding
Vested, net of shares withheld	612,100	614,945	615,659
Restricted share units [Member]
Summary of common shares issued and outstanding
Vested, net of shares withheld	18,486	13,260	10,265
Performance Shares [Member]
Summary of common shares issued and outstanding
Vested, net of shares withheld	48,088	11,524	25,767

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Share capital (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended								12 Months Ended
	Feb. 03, 2015	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule of Common Stock Issued and Outstanding [Line Items]
Authorized Share Capital		571,428,571				571,428,571				571,428,571	571,428,571
Common shares, par value		$ 0.175				$ 0.175				$ 0.175	$ 0.175
Common Stock, Voting Rights										one vote per share
Maximum Percent Of Outstanding Common Shares Controlled Contingent Under Voting Rights										9.09%
Stock repurchase program, authorized amount	$ 750,000
Share repurchase program cumulative aggregrate purchase value	$ 2,274,401									$ 2,704,406
Share repurchase program, cumulative shares repurchased										80,508,849
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 319,995								$ 319,995
Class of Warrant or Right, Outstanding		0								0
Warrants exercised										0	3,593,715
Cash dividends declared per share		$ 0.35	$ 0.35	$ 0.35	$ 0.35	0.32	$ 0.32	$ 0.32	$ 0.32	$ 1.40	$ 1.28	$ 1.20
Common shares
Schedule of Common Stock Issued and Outstanding [Line Items]
Cash dividends declared per share		0.35	0.35	$ 0.35	$ 0.35	$ 0.32	$ 0.32	$ 0.32	$ 0.32
Series A Preferred Stock
Schedule of Common Stock Issued and Outstanding [Line Items]
Cash dividends declared per share		$ 0.3671875	$ 0.3753472
Warrant [Member]
Schedule of Common Stock Issued and Outstanding [Line Items]
Number of warrants exercised during period										5,154,077
Warrants Expired During the Period										20,037

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Stock plans (Options activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Options Activities
Options outstanding, beginning balance (in shares)	65,401	1,160,057	1,572,713
Options exercised during period (in shares)	(39,265)	(1,094,656)	(412,656)
Options outstanding, ending balance (in shares)	26,136	65,401	1,160,057
Weighted Average Grant Date Fair Value
Weighted average grant date fair value, beginning balance (in dollars per share)	$ 7.74	$ 7.12	$ 6.66
Weighted average grant date fair value, options exercised (in dollars per share)	8.37	7.09	5.36
Weighted average grant date fair value, ending balance (in dollars per share)	6.78	7.74	7.12
Weighted Average Grant Date Exercise Price
Weighted average grant date exercise price, beginning balance (in dollars per share)	20.17	17.74	18.88
Weighted average grant date exercise price, options exercised (in dollars per share)	17.96	17.60	22.07
Weighted average grant date exercise price, ending balance (in dollars per share)	$ 23.48	$ 20.17	$ 17.74
Total intrinsic value	$ 1,260	$ 26,367	$ 7,459
Company proceeds received	277	6,277	$ 9,107
Intrinsic value of options outstanding	$ 831	$ 1,740

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Stock plans (Other awards activity) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Restricted Stock [Member]
Activities
Beginning balance	2,739,446	2,858,711	2,684,745
Granted	564,345	724,357	1,051,348
Vested	(796,716)	(788,758)	(797,446)
Forfeited	(37,093)	(54,864)	(79,936)
Ending balance	2,469,982	2,739,446	2,858,711
Share Based Payment Award Other Than Options Nonvested Weighted Average Grant Date Fair Value [Abstract]
Weighted average grant date fair value, beginning balance	$ 38.25	$ 35.81	$ 33.74
Weighted average grant date fair value, granted	48.83	43.67	37.81
Weighted average grant date fair value, vested	37.40	34.41	31.44
Weighted average grant date fair value, forfeited	41.27	38.14	36.09
Weighted average grant date fair value, ending balance	$ 40.89	$ 38.25	$ 35.81
Restricted share units [Member]
Activities
Beginning balance	114,337	103,484	66,518
Granted	27,609	28,057	53,025
Vested	(23,982)	(19,455)	(18,325)
Issued in lieu of cash dividends	3,182	3,143	2,266
Forfeited	(8,338)	(892)	0
Ending balance	112,808	114,337	103,484
Share Based Payment Award Other Than Options Nonvested Weighted Average Grant Date Fair Value [Abstract]
Weighted average grant date fair value, beginning balance	$ 38.47	$ 36.54	$ 33.74
Weighted average grant date fair value, granted	50.03	42.91	38.10
Weighted average grant date fair value, vested	38.18	34.58	30.71
Weighted average grant date fair value, issued in lieu of cash dividends	39.36	37.53	35.00
Weighted average grant date fair value, forfeited	44.34	35.42	0
Weighted average grant date fair value, ending balance	$ 40.95	$ 38.47	$ 36.54
Performance Shares [Member]
Activities
Beginning balance	172,594	106,369	101,820
Granted	125,290	81,569	52,639
Vested	(57,581)	(15,344)	(32,746)
Conversion adjustment	45,517	0	(15,344)
Ending balance	285,820	172,594	106,369
Share Based Payment Award Other Than Options Nonvested Weighted Average Grant Date Fair Value [Abstract]
Weighted average grant date fair value, beginning balance	$ 40.70	$ 36.03	$ 33.56
Weighted average grant date fair value, granted	48.75	45.03	37.33
Weighted average grant date fair value, vested	36.11	31.38	32.62
Weighted average grant date fair value, conversion adjustment	36.82	0.00	31.38
Weighted average grant date fair value, ending balance	$ 44.53	$ 40.70	$ 36.03

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Stock plans (Components of share compensation expenses) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Total share compensation expenses
Share compensation expenses	$ 10,442	$ 10,501	$ 10,727	$ 11,237	$ 10,062	$ 9,983	$ 9,242	$ 9,054	$ 42,907	$ 38,341	$ 33,073
Restricted share awards [Member]
Total share compensation expenses
Share compensation expenses									36,887	35,386	31,335
Restricted share units [Member]
Total share compensation expenses
Share compensation expenses									1,285	1,160	876
Performance Shares [Member]
Total share compensation expenses
Share compensation expenses									$ 4,735	$ 1,795	$ 862

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Stock plans (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Stock plans (other details)
Number of shares reserved for issuance under the LTIP and STIP	2,753,292								2,753,292
Remaining number of shares reserved for issuance	1,251,411								1,251,411
Share compensation expenses	$ 10,442	$ 10,501	$ 10,727	$ 11,237	$ 10,062	$ 9,983	$ 9,242	$ 9,054	$ 42,907	$ 38,341	$ 33,073
Intrinsic value of options outstanding	831				1,740				831	1,740
Tax benefit from share compensation expenses									1,869	3,436	1,610
Net windfall taxes on vestings and exercises of stock options during the period									$ 1,203	906	3,513
Options [Member]
Stock plans (other details)
Life of options									10 years
Restricted share awards [Member]
Stock plans (other details)
Share compensation expenses									$ 36,887	35,386	31,335
Unrecognized share compensation expenses	58,804				69,143				$ 58,804	$ 69,143
Weighted average period of recognizing share based compensation expenses									2 years 3 months 3 days	2 years 4 months 24 days
Restricted share units [Member]
Stock plans (other details)
Share compensation expenses									$ 1,285	$ 1,160	876
Unrecognized share compensation expenses	2,542				2,790				$ 2,542	$ 2,790
Weighted average period of recognizing share based compensation expenses									2 years 6 months 21 days	2 years 7 months
Performance Shares [Member]
Stock plans (other details)
Share compensation expenses									$ 4,735	$ 1,795	$ 862
Unrecognized share compensation expenses	$ 6,902				$ 4,011				$ 6,902	$ 4,011
Weighted average period of recognizing share based compensation expenses									2 years 21 days	2 years 1 month 6 days
Performance Share Awards Performance Period									3 years

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Retirement and pension plans (Summary of assumptions used in calculations) (Details) - Defined benefit plans	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Assumptions used to determine net periodic pension expense:
Discount rate	3.50%	2.75%
Increase in compensation levels rate	5.00%	5.00%
Assumptions used to determine benefit obligations:
Discount rate	4.00%	4.00%
Increase in compensation levels rate	5.00%	5.00%

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Retirement and pension plans (Change in projected benefit obligation, plan assets, and funded status of plan) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Amounts recognized in the balance sheet:
Net amount recognized in accounts payable and accrued expenses	$ (16,979)	$ (15,722)
Defined benefit plans
Change in benefit obligation:
Projected benefit obligation, beginning of period	15,722	16,493
Service cost	1,026	1,024
Interest cost	594	434
Actuarial losses (gains)	1,473	(46)
Benefit payments	(98)	(98)
Settlements	(1,738)	(2,085)
Projected benefit obligation, end of period	16,979	15,722
Change in plan assets:
Fair value of plan assets, beginning of period	0
Employer contributions	1,836	2,186
Benefit payments	(98)	(98)
Settlements	(1,738)	(2,088)
Fair value of plan assets, end of period	0	0
Funded status, end of period	(16,979)	(15,722)
Amounts recognized in the balance sheet:
Net amount recognized in accounts payable and accrued expenses	(16,979)	(15,722)
Amounts recognized in accumulated other comprehensive loss consist of
Net loss (gain)	226	(517)
Prior service credit	6	4
Net amount recognized	232	(513)
Summary of projected benefit obligation, accumulated benefit obligation and fair value of plan assets:
Projected benefit obligation	16,979	15,722
Accumulated benefit obligation	13,480	13,308
Fair value of plan assets	$ 0	$ 0

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Retirement and pension plans (Components of net periodic pension expense) (Details) - Defined benefit plans - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1,026	$ 1,024
Interest cost	594	434
Amortization of prior service cost	(2)	(2)
Amortization of net loss	374	312
Net periodic benefit cost	1,992	1,768
Settlement loss	356	484
Net periodic pension expense	$ 2,348	$ 2,252

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Retirement and pension plans (Other changes recognized in other comprehensive income) (Details) - Defined benefit plans - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Net loss (gain)	$ 1,473	$ (43)
Amortization of loss	(374)	(312)
Amortization of prior service cost	2	2
Settlement loss	(356)	(484)
Total recognized in other comprehensive loss	745	(837)
Total recognized in net pension expense and other comprehensive loss (before tax effects)	3,093	$ 1,415
Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year	$ 2

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Retirement and pension plans (Estimated future benefit payments, fiscal year maturity) (Details) - Defined benefit plans - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
2017	$ 2,740
2018	7,072
2019	92
2020	2,665
2021	83
2022-2026	5,449
Total benefit payments required	18,101
Employer benefit payments/settlements for current year	$ 1,836	$ 2,183

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Retirement and pension plans (Defined contribution plans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined contribution plan
Defined contribution retirement plan expense	$ 13,419	$ 13,684	$ 10,606

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Debt and financing arrangements (Summary of outstanding debentures and senior notes payable) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Debentures payable	$ 537,226	$ 537,668
Debt instrument, commitment	250,000	250,000
Unamortized debt issuance costs	(4,638)	(4,839)
Senior notes payable	245,362	245,161
Debentures and senior notes payable	782,588	782,829
Junior Subordinated Deferrable Debentures Two Thousand Six [Member]
Debt Instrument [Line Items]
Debentures payable	150,000	150,000
Debt instrument, commitment	150,000
Junior Subordinated Deferrable Debentures Two Thousand Seven [Member]
Debt Instrument [Line Items]
Debentures payable	139,800	139,800
Debt instrument, commitment	200,000
Flagstone 2007 Due July 30 2037 [Member]
Debt Instrument [Line Items]
Debentures payable	113,750	113,750
Debt instrument, commitment	88,750
Flagstone 2006 Junior Subordinated Deferrable Interest Notes [Member]
Debt Instrument [Line Items]
Debentures payable	133,676	$ 134,118
Debt instrument, commitment	$ 133,676

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Debt and financing arrangements (Credit and other facilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Line of Credit Facility [Line Items]
Credit facility, commitment	$ 690,000	$ 700,000
Letters of credit issued and outstanding	265,039	479,088
Five-year unsecured credit facility [Member]
Line of Credit Facility [Line Items]
Credit facility, commitment	85,000	85,000
Letters of credit issued and outstanding	0	0
Five-year syndicated secured credit facility [Member]
Line of Credit Facility [Line Items]
Credit facility, commitment	300,000	300,000
Letters of credit issued and outstanding	90,252	235,540
$24,000 secured bi-lateral letter of credit facility
Line of Credit Facility [Line Items]
Credit facility, commitment	24,000	24,000
Letters of credit issued and outstanding	4,553	10,543
AlphaCat Re secured letter of credit facility
Line of Credit Facility [Line Items]
Credit facility, commitment	20,000	30,000
Letters of credit issued and outstanding	20,000	30,000
IPC bi-lateral facility
Line of Credit Facility [Line Items]
Credit facility, commitment	25,000	25,000
Letters of credit issued and outstanding	5,842	9,241
$236,000 Flagstone bi-lateral facility
Line of Credit Facility [Line Items]
Credit facility, commitment	236,000	236,000
Letters of credit issued and outstanding	$ 144,392	$ 193,764

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Debt and financing arrangements (Summary of key terms of notes and debentures) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Amount		$ 250,000	$ 250,000
2006 Junior Subordinated Deferrable Debentures [Member]
Debt Instrument [Line Items]
Issuance date		Jun. 15, 2006
Amount		$ 150,000
Maturity date		Jun. 15, 2036
Interest payments due		Quarterly
Interest rate term		5 years
2006 Junior Subordinated Deferrable Debentures [Member] | LIBOR
Debt Instrument [Line Items]
Spread on LIBOR		3.55%
Flagstone 2006 Junior Subordinated Deferrable Interest Notes [Member]
Debt Instrument [Line Items]
Issuance date		Aug. 23, 2006
Amount		$ 133,676
Maturity date		Sep. 15, 2036
Interest payments due		Quarterly
2007 Junior Subordinated Deferrable Debentures [Member]
Debt Instrument [Line Items]
Issuance date		Jun. 21, 2007
Amount		$ 200,000
Maturity date		Jun. 15, 2037
Interest payments due		Quarterly
Interest rate term		5 years
2007 Junior Subordinated Deferrable Debentures [Member] | LIBOR
Debt Instrument [Line Items]
Spread on LIBOR		2.95%
Flagstone 2007 Due July 30 2037 [Member]
Debt Instrument [Line Items]
Issuance date		Jun. 08, 2007
Amount		$ 88,750
Maturity date		Jul. 30, 2037
Interest payments due		Quarterly
Flagstone 2007 Debt Due September 15 2037 [Member]
Debt Instrument [Line Items]
Issuance date		Sep. 20, 2007
Amount		$ 25,000
Maturity date		Sep. 15, 2037
Interest payments due		Quarterly
2010 Senior Notes due 2040 [Member]
Debt Instrument [Line Items]
Issuance date		Jan. 26, 2010
Amount		$ 250,000
Maturity date		Jan. 26, 2040
Interest payments due		Semi-annually in arrears
Debt Information At Issuance [Member] | 2006 Junior Subordinated Deferrable Debentures [Member]
Debt Instrument [Line Items]
Fixed interest rate	[1]	9.069%
Debt Information At Issuance [Member] | Flagstone 2006 Junior Subordinated Deferrable Interest Notes [Member] | LIBOR
Debt Instrument [Line Items]
Spread on LIBOR	[2]	3.54%
Debt Information At Issuance [Member] | 2007 Junior Subordinated Deferrable Debentures [Member]
Debt Instrument [Line Items]
Fixed interest rate	[3]	8.48%
Debt Information At Issuance [Member] | Flagstone 2007 Due July 30 2037 [Member] | LIBOR
Debt Instrument [Line Items]
Spread on LIBOR	[2]	3.00%
Debt Information At Issuance [Member] | Flagstone 2007 Debt Due September 15 2037 [Member] | LIBOR
Debt Instrument [Line Items]
Spread on LIBOR	[2]	3.10%
Debt Information At Issuance [Member] | 2010 Senior Notes due 2040 [Member]
Debt Instrument [Line Items]
Fixed interest rate	[4]	8.875%
Debt Outstanding [Member] | 2006 Junior Subordinated Deferrable Debentures [Member]
Debt Instrument [Line Items]
Effective interest rate	[5]	5.831%
Debt Outstanding [Member] | Flagstone 2006 Junior Subordinated Deferrable Interest Notes [Member]
Debt Instrument [Line Items]
Effective interest rate	[5]	6.463%
Debt Outstanding [Member] | 2007 Junior Subordinated Deferrable Debentures [Member]
Debt Instrument [Line Items]
Effective interest rate	[5]	5.18%
Debt Outstanding [Member] | Flagstone 2007 Due July 30 2037 [Member]
Debt Instrument [Line Items]
Effective interest rate	[5]	5.90%
Debt Outstanding [Member] | Flagstone 2007 Debt Due September 15 2037 [Member]
Debt Instrument [Line Items]
Effective interest rate	[5]	5.983%
Debt Outstanding [Member] | 2010 Senior Notes due 2040 [Member]
Debt Instrument [Line Items]
Fixed interest rate	[4]	8.875%

[1] Fixed interest rate for 5 years, floating interest rate of three-month LIBOR plus 3.550% thereafter, reset quarterly.

[2] Floating interest rate of three-month LIBOR plus amount stated, reset quarterly.

[3] Fixed interest rate for 5 years, floating interest rate of three-month LIBOR plus 2.950% thereafter, reset quarterly.

[4] Fixed interest rate.

[5] Fixed interest rate as a result of interest rate swap contracts entered into by the Company.

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Debt and financing arrangements (Investments pledged as collateral) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financial Instruments Owned and Pledged as Collateral [Line Items]
Investments pledged as collateral	$ 442,184	$ 826,535
Five-year syndicated secured credit facility [Member]
Financial Instruments Owned and Pledged as Collateral [Line Items]
Investments pledged as collateral	157,597	370,909
$24,000 secured bi-lateral letter of credit facility
Financial Instruments Owned and Pledged as Collateral [Line Items]
Investments pledged as collateral	48,097	47,607
AlphaCat Re secured letter of credit facility
Financial Instruments Owned and Pledged as Collateral [Line Items]
Investments pledged as collateral	20,032	30,153
$236,000 Flagstone bi-lateral facility
Financial Instruments Owned and Pledged as Collateral [Line Items]
Investments pledged as collateral	$ 216,458	$ 377,866

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Debt and financing arrangements (Components of finance expenses) (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Components of financial expenses
Finance expenses		$ 14,630	$ 14,521	$ 14,166	$ 15,203	$ 16,581	$ 18,512	$ 18,682	$ 20,967	$ 58,520	$ 74,742	$ 68,324
2006 Junior Subordinated Deferrable Debentures [Member]
Components of financial expenses
Finance expenses										8,893	8,868	8,868
2007 Junior Subordinated Deferrable Debentures [Member]
Components of financial expenses
Finance expenses										7,362	7,341	7,341
Flagstone 2006 Junior Subordinated Deferrable Interest Notes [Member]
Components of financial expenses
Finance expenses										9,028	8,989	9,001
Flagstone 2007 Junior Subordinated Deferrable Interest Notes [Member]
Components of financial expenses
Finance expenses										7,100	7,123	7,129
2010 Senior Notes due 2040 [Member]
Components of financial expenses
Finance expenses										22,388	22,388	22,388
Credit Facilities [Member]
Components of financial expenses
Finance expenses										2,060	6,006	5,516
Bank charges, Talbot FAL facility and other charges
Components of financial expenses
Finance expenses	[1]									504	4,592	4,536
AlphaCat Fees [Member]
Components of financial expenses
Finance expenses	[2]									$ 1,185	$ 9,435	$ 3,545

[1] On November 30, 2015, the Company terminated its Talbot FAL Facility provided and arranged by Lloyds Bank plc and ING Bank N.V., London Branch.

[2] Includes finance expenses incurred by AlphaCat Managers in relation to fund raising for the AlphaCat sidecars, the AlphaCat ILS funds and AlphaCat direct.

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Debt and financing arrangements (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Debt and financing arrangements [Line Items]
Amount	$ 250,000	$ 250,000
Debentures payable	537,226	537,668
Credit facility, commitment	690,000	700,000
Letters of credit issued and outstanding	265,039	479,088
Debentures and senior notes payable	782,588	782,829
Investments pledged as collateral	$ 442,184	826,535
Five Year Credit Facilities [Member]
Debt and financing arrangements [Line Items]
Percent of consolidated net income quarterly increase under covenant	25.00%
Percent of any net proceeds from issuance of common shares	50.00%
Ratio consolidated total debt to net worth under covenant	0.35:1.00
Minimum level of consolidated net worth	$ 2,600,000
Five-year syndicated secured credit facility [Member]
Debt and financing arrangements [Line Items]
Letter of credit facility period	5 years
Line of credit facility initiation date	Dec. 09, 2015
Credit facility, commitment	$ 300,000	300,000
Letters of credit issued and outstanding	90,252	235,540
Aggregate commitments, maximum	400,000
Investments pledged as collateral	$ 157,597	370,909
Five-year unsecured credit facility [Member]
Debt and financing arrangements [Line Items]
Letter of credit facility period	5 years
Line of credit facility initiation date	Dec. 09, 2015
Credit facility, commitment	$ 85,000	85,000
Letters of credit issued and outstanding	0	0
Aggregate commitments, maximum	150,000
IPC bi-lateral facility
Debt and financing arrangements [Line Items]
Credit facility, commitment	25,000	25,000
Letters of credit issued and outstanding	5,842	9,241
$24,000 secured bi-lateral letter of credit facility
Debt and financing arrangements [Line Items]
Credit facility, commitment	24,000	24,000
Letters of credit issued and outstanding	4,553	10,543
Investments pledged as collateral	48,097	47,607
AlphaCat Re secured letter of credit facility
Debt and financing arrangements [Line Items]
Credit facility, commitment	20,000	30,000
Letters of credit issued and outstanding	20,000	30,000
Investments pledged as collateral	20,032	30,153
$236,000 Flagstone bi-lateral facility
Debt and financing arrangements [Line Items]
Credit facility, commitment	236,000	236,000
Letters of credit issued and outstanding	144,392	193,764
Investments pledged as collateral	216,458	$ 377,866
2010 Senior Notes due 2040 [Member]
Debt and financing arrangements [Line Items]
Amount	$ 250,000
Junior Subordinated Deferrable Debentures[Member]
Debt and financing arrangements [Line Items]
Debt Instrument Redemption Period Duration	5 years
Debentures payable	$ 537,226
Minimum
Debt and financing arrangements [Line Items]
Debt Instrument Redemption Required Notice Period	30 days
Maximum
Debt and financing arrangements [Line Items]
Debt Instrument Redemption Required Notice Period	60 days

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Income taxes (Components of tax expense) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosures [Line Items]
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors	$ 23,103	$ 136,929	$ 123,976	$ 206,846	$ 96,964	$ 104,298	$ 89,162	$ 190,170	$ 490,854	$ 480,594	$ 559,338
Components of income tax expense:
U.S.									2,042	739	21,257
Non-U.S.									711	6,028	26,179
Total current income tax expense									2,753	6,767	47,436
U.S.									(3,487)	1,360	(24,998)
Non-U.S.									(18,995)	(1,751)	(22,283)
Total deferred income tax benefit									(22,482)	(391)	(47,281)
U.S.									(1,445)	2,099	(3,741)
Non-U.S.									(18,284)	4,277	3,896
Total income tax (benefit) expense	$ (21,147)	$ 1,830	$ 1,706	$ (2,118)	$ (756)	$ 2,018	$ 2,549	$ 2,565	(19,729)	6,376	155
Bermuda
Income Tax Disclosures [Line Items]
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors									447,257	470,454	518,476
United Kingdom
Income Tax Disclosures [Line Items]
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors									4,308	13,621	10,824
United States
Income Tax Disclosures [Line Items]
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors									4,038	(4,176)	(11,752)
Switzerland
Income Tax Disclosures [Line Items]
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors									(1,084)	2,276	9,941
Canada
Income Tax Disclosures [Line Items]
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors									2,599	493	2,773
Other tax jurisdictions
Income Tax Disclosures [Line Items]
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors									$ 33,736	$ (2,074)	$ 29,076

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Income taxes (Reconciliation of effective tax rate) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Bermuda tax rate									0.00%	0.00%	0.00%
Tax charge by jurisdiction
Expected tax expense at Bermuda statutory rate of 0%									$ 0	$ 0	$ 0
Foreign tax rate differential									11,394	6,462	7,993
Changes in valuation allowance									(36,990)	9,830	(7,284)
Tax exempt income and expenses not deductible									(1,960)	393	(6,055)
Share compensation tax windfall									1,203	906	3,513
Impact of enacted changes in tax rates									8,931	69	250
Prior years tax adjustments									(5,199)	(12,272)	666
Actual income tax (benefit) expense									2,892	988	1,072
Total income tax (benefit) expense	$ (21,147)	$ 1,830	$ 1,706	$ (2,118)	$ (756)	$ 2,018	$ 2,549	$ 2,565	$ (19,729)	$ 6,376	$ 155

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Income taxes (Components of net deferred tax liability) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax asset
Tax losses carried forward	$ 116,416	$ 167,929
Deferred compensation	6,915	7,504
Deferred Tax Assets, Tax Deferred Expense, Other	2,039	2,047
Tax credits carried forward	5,469	2,761
Discounting of loss reserves	9,938	11,882
Unearned premiums reserve	6,647	4,291
Pension	5,943	5,503
Lloyd’s underwriting loss deductible in future periods	581	47
Other	4,943	4,111
Deferred tax asset, gross of valuation allowance	158,891	206,075
Valuation allowance	(98,065)	(167,929)
Net deferred tax asset	60,826	38,146
Deferred tax liability
Deferred acquisition costs	4,633	1,989
Intangibles	7,583	8,111
Unrealized appreciation on investments	3,179	7,073
Properties and fixed assets	2,593	2,044
Other	2,640	1,115
Deferred tax liability	20,628	20,332
Net deferred tax asset	$ 40,198	$ 17,814

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Income taxes (Movement in tax carryforwards and valuation allowance) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)
Tax Credit Carryforward [Line Items]
Balance at beginning of year	$ 167,929
Balance at beginning of year	(167,929)
Balance at end of year	116,416
Balance at end of year	(98,065)
Deferred Tax Asset on Tax Losses Carried Forward
Tax Credit Carryforward [Line Items]
Balance at beginning of year	167,929
Movement due to use of tax losses carried forward	(10,990)
Movement due to provision to return adjustments	1,108
Movement due to changes in enacted tax rates	(8,757)
Movement due to change in assessment of deferred tax asset recoverability	0
Forfeiture of tax losses carried forward	(32,927)
Other	53
Balance at end of year	116,416
Valuation Allowance
Tax Credit Carryforward [Line Items]
Balance at beginning of year	(167,929)
Movement due to use of tax losses carried forward	10,990
Movement due to provision to return adjustments	(1,108)
Movement due to changes in enacted tax rates	8,757
Movement due to change in assessment of deferred tax asset recoverability	18,351
Forfeiture of tax losses carried forward	32,927
Other	(53)
Balance at end of year	(98,065)
Luxembourg | Deferred Tax Asset on Tax Losses Carried Forward
Tax Credit Carryforward [Line Items]
Movement due to use of tax losses carried forward	6,722
Movement due to changes in enacted tax rates	(8,757)
Forfeiture of tax losses carried forward	18,438
Luxembourg | Valuation Allowance
Tax Credit Carryforward [Line Items]
Movement due to change in assessment of deferred tax asset recoverability	18,351
United States | Deferred Tax Asset on Tax Losses Carried Forward
Tax Credit Carryforward [Line Items]
Movement due to use of tax losses carried forward	3,066
Singapore | Deferred Tax Asset on Tax Losses Carried Forward
Tax Credit Carryforward [Line Items]
Movement due to use of tax losses carried forward	1,202
Switzerland | Deferred Tax Asset on Tax Losses Carried Forward
Tax Credit Carryforward [Line Items]
Forfeiture of tax losses carried forward	$ 14,489

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Income taxes (Loss carryforwards) (Details) $ in Thousands	Dec. 31, 2016 USD ($)
United States
Operating and Capital Loss Carryforwards [Line Items]
Loss Carryforwards	$ 11,195
Loss Carryforwards, Tax Effect	3,918
Switzerland
Operating and Capital Loss Carryforwards [Line Items]
Loss Carryforwards	157,512
Loss Carryforwards, Tax Effect	33,078
Luxembourg
Operating and Capital Loss Carryforwards [Line Items]
Loss Carryforwards	300,121
Loss Carryforwards, Tax Effect	78,310
Singapore
Operating and Capital Loss Carryforwards [Line Items]
Loss Carryforwards	11,090
Loss Carryforwards, Tax Effect	$ 1,109

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Accumulated other comprehensive loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accumulated Other Comprehensive Loss [Line Items]
Balance, net of tax, at beginning of year	$ 3,793,637	$ 3,878,860
Balance, net of tax, at end of year	4,004,268	3,793,637	$ 3,878,860
Accumulated other comprehensive loss
Accumulated Other Comprehensive Loss [Line Items]
Balance, net of tax, at beginning of year	(12,569)	(8,556)	(617)
Net current period other comprehensive income (loss), net of tax	(10,647)	(4,013)	(7,939)
Balance, net of tax, at end of year	(23,216)	(12,569)	(8,556)
Foreign currency translation adjustment
Accumulated Other Comprehensive Loss [Line Items]
Balance, net of tax, at beginning of year	(11,834)	(8,118)	(617)
Net current period other comprehensive income (loss), net of tax	(10,440)	(3,716)	(7,501)
Balance, net of tax, at end of year	(22,274)	(11,834)	(8,118)
Minimum pension liability
Accumulated Other Comprehensive Loss [Line Items]
Balance, net of tax, at beginning of year	334	(210)	0
Net current period other comprehensive income (loss), net of tax	(484)	544	(210)
Balance, net of tax, at end of year	(150)	334	(210)
Cash flow hedge
Accumulated Other Comprehensive Loss [Line Items]
Balance, net of tax, at beginning of year	(1,069)	(228)	0
Net current period other comprehensive income (loss), net of tax	277	(841)	(228)
Balance, net of tax, at end of year	$ (792)	$ (1,069)	$ (228)

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Commitments and contingencies (Significant brokers) (Details) - Customer Concentration Risk - Gross Premiums Written	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Marsh & McLennan
Concentration Risk [Line Items]
Concentration Risk, Percentage	28.80%	28.20%	28.50%
Aon Benfield Group Ltd
Concentration Risk [Line Items]
Concentration Risk, Percentage	16.20%	15.50%	20.00%
Willis Group Holdings Ltd
Concentration Risk [Line Items]
Concentration Risk, Percentage	14.10%	14.30%	18.00%

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Commitments and contingencies (Future minimum lease payments) (Details) - Office Space And Office Equipment - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Future minimum lease commitments are as follows:
2017	$ 11,878
2018	12,214
2019	11,958
2020	11,059
2021	10,316
2022 and thereafter	46,418
Total	103,843
Total rent expense with respect to operating leases:
Rent expense	$ 9,761	$ 10,143	$ 10,540

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Commitments and contingencies (Lloyd's syndicate) (Details) - 12 months ended Dec. 31, 2016 - Lloyd's Syndicate 1183 £ in Thousands, $ in Thousands	USD ($)	GBP (£)
Funds at Lloyd's and Lloyd's Central Fund
Maximum premium levies assessable, percent	3.00%	3.00%
Estimated underwriting capacity | £		£ 600,000
Exchange rate	£1 equals $1.23	£1 equals $1.23
Maximum premium levies assessable, amount	$ 22,140
2017 Underwriting Year
Components Of Required Capital [Abstract]
Required capital	583,600
2016 underwriting year
Components Of Required Capital [Abstract]
Required capital	$ 617,000

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Commitments and contingencies (Investment commitments) (Details) - USD ($) $ in Thousands						12 Months Ended
	Dec. 30, 2016	Dec. 30, 2015	Dec. 29, 2014	Nov. 07, 2014	Oct. 02, 2014	Dec. 31, 2016	Dec. 31, 2015
Aquiline Capital Partners II GP Offshore Ltd
Related Party Transaction [Line Items]
Capital commitment						$ 50,000
Remaining commitment						1,700	$ 3,413
Fixed maturities commitment
Related Party Transaction [Line Items]
Other commitment						28,499	34,888
Investment commitment
Related Party Transaction [Line Items]
Contractual obligation						308,000	263,000
Remaining commitment						156,134	185,548
Aquiline Financial Services Fund III LP
Related Party Transaction [Line Items]
Capital commitment				$ 100,000
Remaining commitment						62,031	86,110
AlphaCat Fund A
Related Party Transaction [Line Items]
Capital commitment			$ 20,000
Remaining commitment						0	10,000
Fund B - initial investment
Related Party Transaction [Line Items]
Capital commitment		$ 25,000
Remaining commitment						0	9,536
AlphaCat Fund B
Related Party Transaction [Line Items]
Capital commitment	$ 25,000
Remaining commitment						10,000
Western World Insurance Group, Inc [Member] | Aquiline Capital Partners II GP Offshore Ltd
Related Party Transaction [Line Items]
Capital commitment					$ 10,000	10,000
Remaining commitment						$ 340	$ 683

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Commitments and contingencies (Other details) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Western World Insurance Group, Inc
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss	$ 3,186	$ 3,108

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Related party transactions (Details) - USD ($)				12 Months Ended
	Nov. 07, 2014	Oct. 02, 2014	Dec. 20, 2011	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Group Ark Insurance Holdings Ltd
Related Party Transaction [Line Items]
Gross premiums written				$ 3,157,000	$ 2,718,000	$ 2,073,000
Premiums receivable				292,000	82,000
Reinsurance premiums ceded				40,000	24,000	126,000
Related Party Transaction Reinsurance Balances Payable				0	4,000
Related Party Transaction Loss Reserves Recoverable				798,000	790,000
Earned premium adjustments				3,115,000	2,833,000	1,982,000
Wellington Insurance Company [Member]
Related Party Transaction [Line Items]
Premiums receivable				666,000	0
Reinsurance premiums ceded						0
Related Party Transaction Reinsurance Balances Payable				2,860,000	0	0
Earned premium adjustments				$ 2,603,000	0
Conning Inc
Related Party Transaction [Line Items]
Investment management fees					841,000	1,125,000
Aquiline Capital Partners II GP Offshore Ltd
Related Party Transaction [Line Items]
Percentage of interest assumed				100.00%
Capital commitment				$ 50,000,000
Partnership fees incurred				843,000	1,519,000	410,000
Payments for (Proceeds from) Limited Partnership				$ (9,032,000)	6,093,000	12,468,000
Aquiline Financial Services Fund II LP
Related Party Transaction [Line Items]
Percentage of interest assumed				100.00%
Capital commitment		$ 10,000,000	$ 50,000,000
Aquiline Financial Services Fund III LP
Related Party Transaction [Line Items]
Capital commitment	$ 100,000,000
Partnership fees incurred				$ 2,031,000	1,814,000
Payments for (Proceeds from) Limited Partnership				23,873,000	$ 13,793,000	$ 0
Western World Insurance Group, Inc | Aquiline Capital Partners II GP Offshore Ltd
Related Party Transaction [Line Items]
Capital commitment		$ 10,000,000		$ 10,000,000

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Earnings per share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Basic earnings per share
Net income available to Validus common shareholders	$ 7,767	$ 89,844	$ 94,963	$ 166,810	$ 69,042	$ 66,650	$ 65,790	$ 173,411	$ 359,384	$ 374,893	$ 479,963
Less: Dividends declared on outstanding warrants									0	(3,566)	(6,208)
Net income allocated to Validus common shareholders									$ 359,384	$ 371,327	$ 473,755
Weighted average number of common shares outstanding									81,041,974	83,107,236	90,354,745
Basic earnings per share available to common shareholders	$ 0.10	$ 1.12	$ 1.16	$ 2.01	$ 0.84	$ 0.79	$ 0.77	$ 2.07	$ 4.43	$ 4.47	$ 5.24
Diluted earnings per share
Less: Dividends and distributions declared on outstanding warrants									$ 0	$ 0	$ 0
Income (loss) available (attributable) to common shareholders									$ 359,384	$ 374,893	$ 479,963
Weighted average number of common shares outstanding									81,041,974	83,107,236	90,354,745
Weighted average number of common shares outstanding, diluted									82,359,460	86,426,760	94,690,271
Earnings per diluted share available to common shareholders	$ 0.10	$ 1.11	$ 1.14	$ 1.98	$ 0.81	$ 0.78	$ 0.75	$ 1.98	$ 4.36	$ 4.34	$ 5.07
Earnings per share (Textuals) [Abstract]
Anti-dilutive securities excluded from the calculation of diluted earnings per share									133,810	167,417	199,740
Warrants [Member]
Diluted earnings per share
Weighted average number diluted shares outstanding adjustment									0	2,090,248	2,789,032
Options [Member]
Diluted earnings per share
Weighted average number diluted shares outstanding adjustment									28,196	151,867	745,561
Unvested restricted shares [Member]
Diluted earnings per share
Weighted average number diluted shares outstanding adjustment									1,289,290	1,077,409	800,933

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Segment information (Details) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) segments	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segments										4
Underwriting income
Gross premiums written		$ 339,454	$ 372,418	$ 764,042	$ 1,172,791	$ 309,605	$ 402,509	$ 726,168	$ 1,119,224	$ 2,648,705	$ 2,557,506	$ 2,358,865
Reinsurance premiums ceded		(40,635)	(45,006)	(36,229)	(167,835)	(33,128)	(48,810)	(55,418)	(191,325)	(289,705)	(328,681)	(313,208)
Net premiums written		298,819	327,412	727,813	1,004,956	276,477	353,699	670,750	927,899	2,359,000	2,228,825	2,045,657
Change in unearned premiums		241,580	236,363	(154,090)	(433,688)	266,823	201,312	(98,062)	(352,009)	(109,835)	18,064	(52,602)
Net premiums earned		540,399	563,775	573,723	571,268	543,300	555,011	572,688	575,890	2,249,165	2,246,889	1,993,055
Other insurance related income (loss)										2,961	6,113	3,472
Segmental revenues										2,252,126	2,253,002	1,996,527
Underwriting deductions
Losses and loss expenses		275,126	258,394	307,130	224,447	214,748	256,010	266,146	240,929	1,065,097	977,833	765,015
Policy acquisition costs		120,889	113,434	107,966	107,193	102,285	105,039	104,323	98,411	449,482	410,058	339,467
General and administrative expenses		77,955	82,443	89,688	86,208	98,563	96,886	84,025	84,235	336,294	363,709	329,362
Share compensation expenses		10,442	10,501	10,727	11,237	10,062	9,983	9,242	9,054	42,907	38,341	33,073
Total segmental deductions										1,893,780	1,789,941	1,466,917
Segmental income										358,346	463,061	529,610
Other items	[1]									1,829	(120,616)	(66,757)
Dividends on preferred shares		(2,203)	(2,252)	0	0	0	0	0	0	(4,455)	0	0
Net investment income		38,153	43,514	39,257	29,461	31,612	31,572	33,611	31,029	150,385	127,824	100,086
(Income) attributable to AlphaCat investors		(7,080)	(5,564)	(6,114)	(4,600)	(974)	(1,438)	0	0	(23,358)	(2,412)	0
Net (income) attributable to noncontrolling interests		(27,200)	(37,439)	(21,193)	(37,531)	(25,996)	(26,229)	(22,561)	(18,178)	(123,363)	(92,964)	(74,880)
Finance expenses		14,630	14,521	14,166	15,203	16,581	18,512	18,682	20,967	58,520	74,742	68,324
Tax benefit (expense)		21,147	(1,830)	(1,706)	2,118	756	(2,018)	(2,549)	(2,565)	19,729	(6,376)	(155)
Net realized gains on investments		9,220	4,397	2,724	(584)	(2,928)	(1,187)	2,244	4,169	15,757	2,298	14,917
Change in net unrealized gains (losses) on managed investments (a)		(67,460)	5,459	31,428	47,444	(34,862)	3,916	(34,676)	33,227	16,871	(32,395)	(2,842)
(Loss) income from investment affiliates		2,166	453	(589)	(4,113)	(1,261)	2,482	284	2,776	(2,083)	4,281	8,411
Foreign exchange gains		(901)	(766)	6,286	6,245	797	(2,592)	(2,671)	(4,265)	10,864	(8,731)	(12,181)
Transaction expenses										0	0	(8,096)	[2]
Net income available to Validus common shareholders		$ 7,767	$ 89,844	$ 94,963	$ 166,810	$ 69,042	$ 66,650	$ 65,790	$ 173,411	359,384	374,893	479,963
Operating Segments | Validus Re
Underwriting income
Gross premiums written										1,111,054	1,126,759	1,118,532
Reinsurance premiums ceded										(111,564)	(149,088)	(163,678)
Net premiums written										999,490	977,671	954,854
Change in unearned premiums										(55,545)	12,542	(37,570)
Net premiums earned										943,945	990,213	917,284
Other insurance related income (loss)										(55)	3,575	3,159
Segmental revenues										943,890	993,788	920,443
Underwriting deductions
Losses and loss expenses										411,488	457,976	307,290
Policy acquisition costs										181,040	166,387	141,670
General and administrative expenses										72,770	78,428	74,739
Share compensation expenses										11,034	10,350	9,739
Total segmental deductions										676,332	713,141	533,438
Segmental income										267,558	280,647	387,005
Validus share of segmental income										$ 267,558	$ 280,647	$ 387,005
Selected ratios:
Ratio of net to gross premiums written										90.00%	86.80%	85.40%
Losses and loss expenses ratio										43.60%	46.20%	33.50%
Policy acquisition costs ratio										19.20%	16.80%	15.50%
General and administrative expenses ratio	[3]									8.80%	9.00%	9.20%
Expense ratio										28.00%	25.80%	24.70%
Combined ratio										71.60%	72.00%	58.20%
Operating Segments | Talbot
Underwriting income
Gross premiums written										$ 970,702	$ 1,018,835	$ 1,101,770
Reinsurance premiums ceded										(175,729)	(198,896)	(192,211)
Net premiums written										794,973	819,939	909,559
Change in unearned premiums										(13,057)	18,152	(29,785)
Net premiums earned										781,916	838,091	879,774
Other insurance related income (loss)										455	851	1,095
Segmental revenues										782,371	838,942	880,869
Underwriting deductions
Losses and loss expenses										424,946	347,322	423,394
Policy acquisition costs										177,127	187,535	187,162
General and administrative expenses										134,479	155,306	150,828
Share compensation expenses										13,078	12,373	11,346
Total segmental deductions										749,630	702,536	772,730
Segmental income										32,741	136,406	108,139
Validus share of segmental income										$ 32,741	$ 136,406	$ 108,139
Selected ratios:
Ratio of net to gross premiums written										81.90%	80.50%	82.60%
Losses and loss expenses ratio										54.30%	41.40%	48.10%
Policy acquisition costs ratio										22.70%	22.40%	21.30%
General and administrative expenses ratio	[3]									18.90%	20.00%	18.40%
Expense ratio										41.60%	42.40%	39.70%
Combined ratio										95.90%	83.80%	87.80%
Operating Segments | AlphaCat
Underwriting income
Gross premiums written	[4]									$ 270,402	$ 176,126	$ 126,785
Third party management fees	[4]									18,771	19,661	18,667
Related party management fees	[4]									3,329	5,309	7,467
Segmental revenues	[4]									22,100	24,970	26,134
Underwriting deductions
General and administrative expenses	[4]									10,233	12,115	10,134
Share compensation expenses	[4]									249	580	501
Total segmental deductions	[4]									11,538	21,991	14,032
Segmental income	[4]									10,562	2,979	12,102
Net investment income	[4],[5]									20,579	19,176	21,485
Finance expenses	[4]									947	9,312	3,417
Tax benefit (expense)										(90)	0	0
Foreign exchange gains	[4]									(19)	16	20
Operating Segments | AlphaCat | AlphaCat Re & Master Fund
Underwriting deductions
Net investment income	[4],[5]									0	0	(1,377)
Operating Segments | AlphaCat | AlphaCat Sidecars
Underwriting income
Gross premiums written	[4]									(341)	45,755	50,023
Underwriting deductions
Net investment income	[4],[5]									607	5,504	10,525
Operating Segments | AlphaCat | AlphaCat ILS Funds - Lower Risk
Underwriting income
Gross premiums written	[4],[6]									112,222	91,363	52,264
Underwriting deductions
Net investment income	[4],[5],[6]									8,901	7,491	7,974
Operating Segments | AlphaCat | AlphaCat ILS Funds - Higher Risk
Underwriting income
Gross premiums written	[4],[6]									140,022	34,228	24,498
Underwriting deductions
Net investment income	[4],[5],[6]									7,471	8,428	8,754
Operating Segments | AlphaCat | BetaCat ILS Funds
Underwriting deductions
Net investment income	[4],[5]									3,623	1,702	(51)
Operating Segments | AlphaCat | PaCRe
Underwriting deductions
Net investment income	[4],[5]									(23)	(3,949)	(4,340)
Operating Segments | AlphaCat | AlphaCat Direct
Underwriting income
Gross premiums written	[4]									18,499	4,780	0
Operating Segments | AlphaCat & Consolidated Variable Interest Entities
Underwriting income
Gross premiums written										270,402	176,126	126,785
Reinsurance premiums ceded										(6,451)	(4,538)	(4,348)
Net premiums written										263,951	171,588	122,437
Change in unearned premiums										(13,879)	(11,653)	564
Net premiums earned										250,072	159,935	123,001
Other insurance related income (loss)										22,386	25,524	25,750
Segmental revenues										272,458	185,459	148,751
Underwriting deductions
Losses and loss expenses										44,851	657	(16,704)
Policy acquisition costs										26,905	16,327	11,584
General and administrative expenses										34,333	39,055	36,298
Share compensation expenses										249	580	501
Total segmental deductions										106,338	56,619	31,679
Segmental income										166,120	128,840	117,072
Other items	[1]									2,478	(17,967)	(12,891)
Dividends on preferred shares											0
Net investment income										9,264	6,658	4,286
(Income) attributable to AlphaCat investors										(23,358)	(2,412)
Net (income) attributable to noncontrolling interests										(123,363)	(92,964)	74,880
Validus share of segmental income	[4]									31,141	22,155	33,587
Operating Segments | Western World Insurance Group, Inc
Underwriting income
Gross premiums written										323,220	278,504	65,235	[7]
Reinsurance premiums ceded										(22,634)	(18,877)	(6,428)	[7]
Net premiums written										300,586	259,627	58,807	[7]
Change in unearned premiums										(27,354)	(977)	14,189	[7]
Net premiums earned										273,232	258,650	72,996	[7]
Other insurance related income (loss)										912	1,044	264	[7]
Segmental revenues										274,144	259,694	73,260	[7]
Underwriting deductions
Losses and loss expenses										183,812	171,878	51,035	[7]
Policy acquisition costs										64,442	41,408	3,169	[7]
General and administrative expenses										43,280	38,715	11,121	[7]
Share compensation expenses										2,543	2,083	135	[7]
Total segmental deductions										294,077	254,084	65,460	[7]
Segmental income										(19,933)	5,610	7,800	[7]
Validus share of segmental income										$ (19,933)	$ 5,610	$ 7,800
Selected ratios:
Ratio of net to gross premiums written										93.00%	93.20%	90.10%	[7]
Losses and loss expenses ratio										67.30%	66.40%	69.90%	[7]
Policy acquisition costs ratio										23.50%	16.00%	4.40%	[7]
General and administrative expenses ratio	[3]									16.80%	15.80%	15.40%	[7]
Expense ratio										40.30%	31.80%	19.80%	[7]
Combined ratio										107.60%	98.20%	89.70%	[7]
Operating Segments | Corporate and Investment
Underwriting deductions
General and administrative expenses										$ 72,249	$ 75,724	$ 80,210
Share compensation expenses										16,003	12,955	11,352
Total segmental deductions										88,252	88,679	91,562
Segmental income										(88,252)	(88,679)	(91,562)
Other items	[1]									(649)	(102,649)	(53,866)
Dividends on preferred shares										(4,455)	0	0
Net investment income	[8]									141,718	121,166	95,800
(Income) attributable to AlphaCat investors										0
Net (income) attributable to noncontrolling interests										0		0
Finance expenses	[8]									57,183	61,071	60,309
Tax benefit (expense)	[8]									19,819	(6,376)	(155)
Total expenses										130,071	156,126	152,026
Validus share of segmental income										48,362	(70,162)	(57,724)
Net realized gains on investments	[8]									14,680	1,698	12,160
Change in net unrealized gains (losses) on managed investments (a)	[8]									14,106	(32,007)	(1,030)
(Loss) income from investment affiliates										(2,083)	4,281	8,411
Foreign exchange gains	[8]									10,778	(8,172)	(10,700)
Other income (loss)										(766)	(1,002)	(2,243)
Transaction expenses	[9]									0	0	(8,096)	[2]
Total other items										36,715	(35,202)	(1,498)
Eliminations
Underwriting income
Gross premiums written										(26,673)	(42,718)	(53,457)
Reinsurance premiums ceded										26,673	42,718	53,457
Net premiums written										0	0	0
Change in unearned premiums										0	0	0
Net premiums earned										0	0	0
Other insurance related income (loss)										(20,737)	(24,881)	(26,796)
Segmental revenues										(20,737)	(24,881)	(26,796)
Underwriting deductions
Losses and loss expenses										0	0	0
Policy acquisition costs										(32)	(1,599)	(4,118)
General and administrative expenses										(20,817)	(23,519)	(23,834)
Share compensation expenses										0	0	0
Total segmental deductions										(20,849)	(25,118)	(27,952)
Segmental income										112	237	1,156
Net investment income										(597)
Validus share of segmental income										$ (485)	$ 237	$ 1,156

[1] Other items includes finance expenses, tax (benefit) expense, foreign exchange gains (losses), net realized and change in net unrealized gains (losses) on investments, income from investment and operating affiliates and other income (loss).

[2] The transaction expenses relate to costs incurred in connection with the acquisition of Western World, which was completed on October 2, 2014. Transaction expenses are primarily comprised of legal, financial advisory and audit related services.

[3] The general and administrative expense ratio includes share compensation expenses.

[4] The results of AlphaCat are presented on an asset manager basis, which is non-GAAP. A reconciliation of Validus’ share of AlphaCat segment income to segmental income is presented in the tables below.

[5] The investment income from the AlphaCat funds and sidecars is based on equity accounting.

[6] AlphaCat Direct includes direct investments from third party investors in AlphaCat Re.

[7] The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

[8] These items exclude the components which are included in Validus’ share of AlphaCat and amounts which are consolidated from VIEs.

[9] The transaction expenses relate to costs incurred in connection with the acquisition of Western World, which was completed on October 2, 2014. Transaction expenses are primarily comprised of legal, financial advisory and audit related services.

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Segment information (Gross written premiums by line of business) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue from External Customer [Line Items]
Gross premiums written	$ 339,454	$ 372,418	$ 764,042	$ 1,172,791	$ 309,605	$ 402,509	$ 726,168	$ 1,119,224	$ 2,648,705	$ 2,557,506	$ 2,358,865
Property
Revenue from External Customer [Line Items]
Gross premiums written									1,128,523	1,077,700	1,050,109	[1]
Marine
Revenue from External Customer [Line Items]
Gross premiums written									363,656	471,857	576,478	[1]
Specialty
Revenue from External Customer [Line Items]
Gross premiums written									927,746	782,463	677,026	[1]
Liability
Revenue from External Customer [Line Items]
Gross premiums written									$ 228,780	$ 225,486	$ 55,252	[1]

[1] The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

XML

Segment information (Segment geographic) (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016		Dec. 31, 2015	Dec. 31, 2014
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written		$ 339,454	$ 372,418	$ 764,042	$ 1,172,791	$ 309,605	$ 402,509	$ 726,168	$ 1,119,224	$ 2,648,705		$ 2,557,506	$ 2,358,865
Percent of gross premiums written										100.00%		100.00%	100.00%
United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										$ 937,587		$ 954,311	$ 633,220
Percent of gross premiums written										35.40%		37.40%	26.80%
Worldwide excluding United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										$ 221,766	[1]	$ 187,321	$ 221,092	[1]
Percent of gross premiums written	[1]									8.40%		7.30%	9.40%
Australia and New Zealand
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										$ 23,049		$ 21,544	$ 31,012
Percent of gross premiums written										0.90%		0.80%	1.30%
Europe
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										$ 65,781		$ 88,266	$ 103,851
Percent of gross premiums written										2.40%		3.50%	4.40%
Latin America and Caribbean
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										$ 140,395		$ 134,133	$ 146,376
Percent of gross premiums written										5.30%		5.20%	6.20%
Japan
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										$ 49,867		$ 45,618	$ 47,426
Percent of gross premiums written										1.90%		1.80%	2.00%
Canada
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										$ 10,243		$ 10,022	$ 13,864
Percent of gross premiums written										0.40%		0.40%	0.60%
Rest of world
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[2]									$ 127,252		$ 121,075	$ 114,479
Percent of gross premiums written	[2]									4.80%		4.70%	4.90%
Sub-total, non United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										$ 638,353		$ 607,979	$ 678,100
Percent of gross premiums written										24.10%		23.70%	28.80%
Worldwide including United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[1]									$ 424,646		$ 338,345	$ 344,934
Percent of gross premiums written	[1]									16.00%		13.20%	14.60%
Other location non-specific
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[3]									$ 648,119		$ 656,871	$ 702,611
Percent of gross premiums written	[3]									24.50%		25.70%	29.80%
Operating Segments | Validus Re
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										$ 1,111,054		$ 1,126,759	$ 1,118,532
Operating Segments | Validus Re | United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										448,243		530,541	437,124
Operating Segments | Validus Re | Worldwide excluding United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[1]									51,902		52,860	76,370
Operating Segments | Validus Re | Australia and New Zealand
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										7,389		12,190	20,617
Operating Segments | Validus Re | Europe
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										28,967		48,240	57,223
Operating Segments | Validus Re | Latin America and Caribbean
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										47,586		46,258	56,102
Operating Segments | Validus Re | Japan
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										40,099		38,885	42,813
Operating Segments | Validus Re | Canada
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										3,349		3,129	3,793
Operating Segments | Validus Re | Rest of world
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[2]									22,595		21,498	25,272
Operating Segments | Validus Re | Sub-total, non United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										201,887		223,060	282,190
Operating Segments | Validus Re | Worldwide including United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[1]									167,065		139,419	175,098
Operating Segments | Validus Re | Other location non-specific
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[3]									293,859		233,739	224,120
Operating Segments | AlphaCat
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[4]									270,402		176,126	126,785
Operating Segments | AlphaCat | United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										64,766		41,134	26,067
Operating Segments | AlphaCat | Worldwide excluding United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[1]									22,206		8,107	6,727
Operating Segments | AlphaCat | Australia and New Zealand
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										4,949		624	1,019
Operating Segments | AlphaCat | Europe
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										3,245		2,504	2,305
Operating Segments | AlphaCat | Latin America and Caribbean
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										0		38	0
Operating Segments | AlphaCat | Japan
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										3,221		1,671	608
Operating Segments | AlphaCat | Canada
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										207		458	214
Operating Segments | AlphaCat | Rest of world
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[2]									0		0	0
Operating Segments | AlphaCat | Sub-total, non United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										33,828		13,402	10,873
Operating Segments | AlphaCat | Worldwide including United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[1]									170,253		116,523	89,845
Operating Segments | AlphaCat | Other location non-specific
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[3]									1,555		5,067	0
Operating Segments | Talbot
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										970,702		1,018,835	1,101,770
Operating Segments | Talbot | United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										103,415		106,679	108,458
Operating Segments | Talbot | Worldwide excluding United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[1]									148,347		127,540	139,570
Operating Segments | Talbot | Australia and New Zealand
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										10,844		8,974	9,736
Operating Segments | Talbot | Europe
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										34,264		38,657	45,615
Operating Segments | Talbot | Latin America and Caribbean
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										102,293		103,318	116,281
Operating Segments | Talbot | Japan
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										6,580		5,171	4,116
Operating Segments | Talbot | Canada
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										6,834		6,666	10,194
Operating Segments | Talbot | Rest of world
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[2]									107,106		103,237	93,012
Operating Segments | Talbot | Sub-total, non United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										416,268		393,563	418,524
Operating Segments | Talbot | Worldwide including United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[1]									98,311		100,523	96,187
Operating Segments | Talbot | Other location non-specific
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[3]									352,708		418,070	478,601
Operating Segments | Western World Insurance Group, Inc
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										323,220		278,504	65,235	[5]
Operating Segments | Western World Insurance Group, Inc | United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										323,220		278,504	65,235
Operating Segments | Western World Insurance Group, Inc | Worldwide excluding United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[1]									0		0	0
Operating Segments | Western World Insurance Group, Inc | Australia and New Zealand
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										0		0	0
Operating Segments | Western World Insurance Group, Inc | Europe
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										0		0	0
Operating Segments | Western World Insurance Group, Inc | Latin America and Caribbean
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										0		0	0
Operating Segments | Western World Insurance Group, Inc | Japan
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										0		0	0
Operating Segments | Western World Insurance Group, Inc | Canada
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										0		0	0
Operating Segments | Western World Insurance Group, Inc | Rest of world
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[2]									0		0	0
Operating Segments | Western World Insurance Group, Inc | Sub-total, non United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										0		0	0
Operating Segments | Western World Insurance Group, Inc | Worldwide including United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[1]									0		0	0
Operating Segments | Western World Insurance Group, Inc | Other location non-specific
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[3]									0		0	0
Eliminations
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										(26,673)		(42,718)	(53,457)
Eliminations | United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										(2,057)		(2,547)	(3,664)
Eliminations | Worldwide excluding United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[1]									(689)		(1,186)	(1,575)
Eliminations | Australia and New Zealand
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										(133)		(244)	(360)
Eliminations | Europe
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										(695)		(1,135)	(1,292)
Eliminations | Latin America and Caribbean
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										(9,484)		(15,481)	(26,007)
Eliminations | Japan
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										(33)		(109)	(111)
Eliminations | Canada
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										(147)		(231)	(337)
Eliminations | Rest of world
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[2]									(2,449)		(3,660)	(3,805)
Eliminations | Sub-total, non United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written										(13,630)		(22,046)	(33,487)
Eliminations | Worldwide including United States
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[1]									(10,983)		(18,120)	(16,196)
Eliminations | Other location non-specific
Gross premiums written allocated to the territory of coverage exposure
Gross premiums written	[3]									$ (3)		$ (5)	$ (110)

[1] Represents risks in two or more geographic zones.

[2] Represents risks in one geographic zone.

[3] The other locations non-specific category refers to business for which an analysis of exposure by geographic zone is not applicable since these exposures can span multiple geographic areas and, in some instances, are not fixed locations.

[4] The results of AlphaCat are presented on an asset manager basis, which is non-GAAP. A reconciliation of Validus’ share of AlphaCat segment income to segmental income is presented in the tables below.

[5] The results of Western World have been included in the Company’s consolidated results from the October 2, 2014 date of acquisition.

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Statutory and regulatory requirements (Statutory capital and surplus and statutory net income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Bermuda
Statutory Accounting Practices [Line Items]
Required statutory capital and surplus	$ 734,045	$ 1,463,408
Actual statutory capital and surplus	3,712,369	3,469,849
Statutory net income (loss)	369,684	329,260	$ 511,652
United States
Statutory Accounting Practices [Line Items]
Required statutory capital and surplus	78,342	80,047
Actual statutory capital and surplus	416,746	421,047
Statutory net income (loss)	7,795	32,255	105,210
Switzerland
Statutory Accounting Practices [Line Items]
Required statutory capital and surplus	267,000	259,000
Actual statutory capital and surplus	806,099	750,356
Statutory net income (loss)	$ 46,362	$ 21,379	$ 44,939

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Statutory and regulatory requirements (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) subsidiaries director	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Statutory Accounting Practices [Line Items]
Actual dividends received from subsidiaries	$ 320,000	$ 465,000
Bermuda
Statutory Accounting Practices [Line Items]
Actual statutory capital and surplus	3,712,369	3,469,849
Statutory net income (loss)	369,684	329,260	$ 511,652
Unrestricted net assets available for dividend payments or return of capital	$ 1,335,300	1,008,367
Number of wholly owned subsidiaries | subsidiaries	5
Percentage Of Total Statutory Capital And Surplus Limit	25.00%
Payment Of Dividends Notification Period Required	7 days
Number Of Directors Required For Affidavit | director	2
Percentage Of Total Statutory Capital Limit	15.00%
United Kingdom
Statutory Accounting Practices [Line Items]
Actual dividends received from subsidiaries	$ 30,000	65,000
United States
Statutory Accounting Practices [Line Items]
Actual statutory capital and surplus	416,746	421,047
Statutory net income (loss)	$ 7,795	32,255	105,210
Number of wholly owned subsidiaries | subsidiaries	3
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval	$ 490	17,599
Statutory Accounting Practices, Dividends Paid with Approval of Regulatory Agency	$ 18,500	80,300
Maximum Permitted Dividends Percentage Statutory Capital	10.00%
Switzerland
Statutory Accounting Practices [Line Items]
Actual statutory capital and surplus	$ 806,099	750,356
Statutory net income (loss)	$ 46,362	$ 21,379	$ 44,939
Maximum Permitted Dividends Percentage Annual Profit	20.00%
Maximum Permitted Dividends Percentage Statutory Capital	50.00%
Special Purpose Insurer | Bermuda
Statutory Accounting Practices [Line Items]
Number of wholly owned subsidiaries | subsidiaries	2

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Subsequent events (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended								12 Months Ended
	Feb. 09, 2017	Jan. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Subsequent Event [Line Items]
Cash dividends declared per share			$ 0.35	$ 0.35	$ 0.35	$ 0.35	$ 0.32	$ 0.32	$ 0.32	$ 0.32	$ 1.40	$ 1.28	$ 1.20
Common shares
Subsequent Event [Line Items]
Cash dividends declared per share			0.35	0.35	$ 0.35	$ 0.35	$ 0.32	$ 0.32	$ 0.32	$ 0.32
Series A Preferred Stock
Subsequent Event [Line Items]
Cash dividends declared per share			$ 0.3671875	$ 0.3753472
Subsequent event | ADM Crop Risk Services
Subsequent Event [Line Items]
Payments to Acquire Businesses, Gross		$ 127,500
Subsequent event | Common shares
Subsequent Event [Line Items]
Cash dividends declared per share	$ 0.38
Subsequent event | Series A Preferred Stock
Subsequent Event [Line Items]
Cash dividends declared per share	$ 0.3671875

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Condensed unaudited quarterly financial information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues
Gross premiums written	$ 339,454	$ 372,418	$ 764,042	$ 1,172,791	$ 309,605	$ 402,509	$ 726,168	$ 1,119,224	$ 2,648,705	$ 2,557,506	$ 2,358,865
Reinsurance premiums ceded	(40,635)	(45,006)	(36,229)	(167,835)	(33,128)	(48,810)	(55,418)	(191,325)	(289,705)	(328,681)	(313,208)
Net premiums written	298,819	327,412	727,813	1,004,956	276,477	353,699	670,750	927,899	2,359,000	2,228,825	2,045,657
Change in unearned premiums	241,580	236,363	(154,090)	(433,688)	266,823	201,312	(98,062)	(352,009)	(109,835)	18,064	(52,602)
Net premiums earned	540,399	563,775	573,723	571,268	543,300	555,011	572,688	575,890	2,249,165	2,246,889	1,993,055
Net investment income	38,153	43,514	39,257	29,461	31,612	31,572	33,611	31,029	150,385	127,824	100,086
Net realized gains on investments	9,220	4,397	2,724	(584)	(2,928)	(1,187)	2,244	4,169	15,757	2,298	14,917
Change in net unrealized gains (losses) on managed investments (a)	(67,460)	5,459	31,428	47,444	(34,862)	3,916	(34,676)	33,227	16,871	(32,395)	(2,842)
Income Loss From Equity Method Investment Investment Affiliates	2,166	453	(589)	(4,113)	(1,261)	2,482	284	2,776	(2,083)	4,281	8,411
Other insurance related income and other income	568	(610)	824	1,413	2,545	1,526	100	940	2,195	5,111	1,229
Foreign exchange gains (losses)	(901)	(766)	6,286	6,245	797	(2,592)	(2,671)	(4,265)	10,864	(8,731)	(12,181)
Revenues	522,145	616,222	653,653	651,134	539,203	590,728	571,580	643,766	2,443,154	2,345,277	2,102,675
Expenses
Losses and loss expenses	275,126	258,394	307,130	224,447	214,748	256,010	266,146	240,929	1,065,097	977,833	765,015
Policy acquisition costs	120,889	113,434	107,966	107,193	102,285	105,039	104,323	98,411	449,482	410,058	339,467
General and administrative expenses	77,955	82,443	89,688	86,208	98,563	96,886	84,025	84,235	336,294	363,709	329,362
Share compensation expenses	10,442	10,501	10,727	11,237	10,062	9,983	9,242	9,054	42,907	38,341	33,073
Finance expenses	14,630	14,521	14,166	15,203	16,581	18,512	18,682	20,967	58,520	74,742	68,324
Total expenses	499,042	479,293	529,677	444,288	442,239	486,430	482,418	453,596	1,952,300	1,864,683	1,543,337
Income before taxes, loss from operating affiliate and (income) attributable to AlphaCat investors	23,103	136,929	123,976	206,846	96,964	104,298	89,162	190,170	490,854	480,594	559,338
Tax benefit (expense)	21,147	(1,830)	(1,706)	2,118	756	(2,018)	(2,549)	(2,565)	19,729	(6,376)	(155)
(Loss) income from operating affiliates	0	0	0	(23)	(1,708)	(7,963)	1,738	3,984	(23)	(3,949)	(4,340)
(Income) attributable to AlphaCat investors	(7,080)	(5,564)	(6,114)	(4,600)	(974)	(1,438)	0	0	(23,358)	(2,412)	0
Net income (loss)	37,170	129,535	116,156	204,341	95,038	92,879	88,351	191,589	487,202	467,857	554,843
Net (income) attributable to noncontrolling interests	(27,200)	(37,439)	(21,193)	(37,531)	(25,996)	(26,229)	(22,561)	(18,178)	(123,363)	(92,964)	(74,880)
Net income available to Validus	9,970	92,096	94,963	166,810	69,042	66,650	65,790	173,411	363,839	374,893	479,963
Dividends on preferred shares	(2,203)	(2,252)	0	0	0	0	0	0	(4,455)	0	0
Net income available to Validus common shareholders	$ 7,767	$ 89,844	$ 94,963	$ 166,810	$ 69,042	$ 66,650	$ 65,790	$ 173,411	$ 359,384	$ 374,893	$ 479,963
Earnings per share
Basic earnings per share available to common shareholders	$ 0.10	$ 1.12	$ 1.16	$ 2.01	$ 0.84	$ 0.79	$ 0.77	$ 2.07	$ 4.43	$ 4.47	$ 5.24
Earnings per diluted share available to common shareholders	0.10	1.11	1.14	1.98	0.81	0.78	0.75	1.98	4.36	4.34	5.07
Selected ratios:
Cash dividends declared per share	$ 0.35	$ 0.35	$ 0.35	$ 0.35	$ 0.32	$ 0.32	$ 0.32	$ 0.32	$ 1.40	$ 1.28	$ 1.20

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Schedule I - Summary of investments (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	$ 8,761,087
Fair value	8,744,912
Amount at which shown on the Balance Sheet	8,744,912
Total fixed maturities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	5,584,599
Fair value	5,543,030
Amount at which shown on the Balance Sheet	5,543,030
U.S. government and government agency
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	809,392
Fair value	804,126
Amount at which shown on the Balance Sheet	804,126
Non-U.S. government and government agency
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	245,651
Fair value	240,791
Amount at which shown on the Balance Sheet	240,791
U.S. states, municipalities and political subdivisions
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	271,742
Fair value	271,830
Amount at which shown on the Balance Sheet	271,830
Agency residential mortgage-backed securities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	684,490
Fair value	679,595
Amount at which shown on the Balance Sheet	679,595
Non-agency residential mortgage-backed securities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	15,858
Fair value	15,477
Amount at which shown on the Balance Sheet	15,477
U.S. corporate
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	1,540,036
Fair value	1,534,508
Amount at which shown on the Balance Sheet	1,534,508
Non-U.S. corporate
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	418,520
Fair value	410,227
Amount at which shown on the Balance Sheet	410,227
Bank loans
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	579,121
Fair value	570,399
Amount at which shown on the Balance Sheet	570,399
Catastrophe bonds
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	157,486
Fair value	158,331
Amount at which shown on the Balance Sheet	158,331
Asset-backed securities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	528,563
Fair value	526,814
Amount at which shown on the Balance Sheet	526,814
Commercial mortgage backed securities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	333,740
Fair value	330,932
Amount at which shown on the Balance Sheet	330,932
Total short-term investments
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	2,796,358
Fair value	2,796,170
Amount at which shown on the Balance Sheet	2,796,170
Total other investments
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized cost	380,130
Fair value	405,712
Amount at which shown on the Balance Sheet	$ 405,712

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Schedule II - Condensed financial information of registrant (Balance Sheet) (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
ASSETS
Fixed maturities, at fair value	$ 5,543,030	$ 5,510,331
Cash and cash equivalents	419,976	723,109	$ 550,401	$ 729,333
Accrued investment income	26,488	23,897
Other assets	134,282	126,782
Total assets	11,349,755	10,515,812
LIABILITIES
Accounts payable and accrued expenses	587,648	627,331
Senior notes payable	245,362	245,161
Debentures and senior notes payable	782,588	782,829
Total liabilities	5,817,486	5,610,461
SHAREHOLDERS’ EQUITY
Common shares (Issued: 2016—161,279,976; 2015—160,570,772; Outstanding: 2016—79,132,252; 2015—82,900,617)	28,224	28,100
Treasury shares (2016—82,147,724; 2015—77,670,155)	(14,376)	(13,592)
Additional paid-in capital	821,023	1,002,980
Accumulated other comprehensive loss	(23,216)	(12,569)
Retained earnings	2,876,636	2,634,056
Total shareholders' equity	4,004,268	3,793,637	$ 3,878,860
Total liabilities and shareholders’ equity	$ 11,349,755	$ 10,515,812
Condensed Financial Information Balance Sheet Parenthetical Data [Abstract]
Preferred Stock, Shares Issued	6,000	0
Preferred Stock, Shares Outstanding	6,000	0
Authorized Share Capital	571,428,571	571,428,571
Common shares, par value	$ 0.175	$ 0.175
Common Stock, Shares, Issued	161,279,976	160,570,772	155,554,224	154,488,497
Common Stock, Shares, Outstanding	79,132,252	82,900,617	83,869,845
Treasury Stock, Shares	82,147,724	77,670,155
Parent Company
ASSETS
Fixed maturities, at fair value	$ 92,197	$ 28,403
Cash and cash equivalents	11,780	25,306	$ 29,798	$ 20,385
Investment in subsidiaries on an equity basis	4,383,800	4,198,809
Balances due from subsidiaries	0	10,389
Accrued investment income	239	49
Other assets	1,143	813
Total assets	4,489,159	4,263,769
LIABILITIES
Accounts payable and accrued expenses	26,884	29,633
Balances due to subsidiaries	28,622	0
Senior notes payable	245,362	245,161
Debentures and senior notes payable	350,000	350,000
Total liabilities	650,868	624,794
SHAREHOLDERS’ EQUITY
Preferred Stock, Value, Issued	150,000	0
Common shares (Issued: 2016—161,279,976; 2015—160,570,772; Outstanding: 2016—79,132,252; 2015—82,900,617)	28,224	28,100
Treasury shares (2016—82,147,724; 2015—77,670,155)	(14,376)	(13,592)
Additional paid-in capital	821,023	1,002,980
Accumulated other comprehensive loss	(23,216)	(12,569)
Retained earnings	2,876,636	2,634,056
Total shareholders' equity	3,838,291	3,638,975
Total liabilities and shareholders’ equity	$ 4,489,159	$ 4,263,769

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Schedule II - Condensed financial information of registrant (Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues
Net investment income	$ 38,153	$ 43,514	$ 39,257	$ 29,461	$ 31,612	$ 31,572	$ 33,611	$ 31,029	$ 150,385	$ 127,824	$ 100,086
Change in net unrealized gains (losses) on managed investments (a)	(67,460)	5,459	31,428	47,444	(34,862)	3,916	(34,676)	33,227	16,871	(32,395)	(2,842)
Foreign exchange gains	(901)	(766)	6,286	6,245	797	(2,592)	(2,671)	(4,265)	10,864	(8,731)	(12,181)
Total revenues	522,145	616,222	653,653	651,134	539,203	590,728	571,580	643,766	2,443,154	2,345,277	2,102,675
Expenses
General and administrative expenses	77,955	82,443	89,688	86,208	98,563	96,886	84,025	84,235	336,294	363,709	329,362
Share compensation expenses	10,442	10,501	10,727	11,237	10,062	9,983	9,242	9,054	42,907	38,341	33,073
Finance expenses	14,630	14,521	14,166	15,203	16,581	18,512	18,682	20,967	58,520	74,742	68,324
Net income available to Validus	9,970	92,096	94,963	166,810	69,042	66,650	65,790	173,411	363,839	374,893	479,963
Dividends on preferred shares	(2,203)	(2,252)	0	0	0	0	0	0	(4,455)	0	0
Net income available to Validus common shareholders	$ 7,767	$ 89,844	$ 94,963	$ 166,810	$ 69,042	$ 66,650	$ 65,790	$ 173,411	359,384	374,893	479,963
Change in foreign currency translation adjustments									(10,440)	(3,716)	(7,501)
Change in minimum pension liability, net of tax									(484)	544	(210)
Change in fair value of cash flow hedge									277	(841)	(228)
Other comprehensive loss									(10,647)	(4,013)	(7,939)
Comprehensive income (loss) available (attributable) to Validus									353,192	370,880	472,024
Parent Company
Revenues
Net investment income									1,195	317	14
Net realized gains on investments									8,020	0	0
Change in net unrealized gains (losses) on managed investments (a)									(276)	(395)	0
Foreign exchange gains									1,932	715	648
Total revenues									10,871	637	662
Expenses
General and administrative expenses									72,235	74,015	86,108
Share compensation expenses									6,832	7,261	6,424
Finance expenses									47,108	47,722	47,689
Total expenses									126,175	128,998	140,221
(Loss) before equity in net earnings of subsidiaries									(115,304)	(128,361)	(139,559)
Equity in net earnings of subsidiaries									479,143	503,254	619,522
Net income available to Validus									363,839	374,893	479,963
Dividends on preferred shares									(4,455)	0	0
Net income available to Validus common shareholders									359,384	374,893	479,963
Change in foreign currency translation adjustments									(10,440)	(3,716)	(7,501)
Change in minimum pension liability, net of tax									(484)	544	(210)
Change in fair value of cash flow hedge									277	(841)	(228)
Other comprehensive loss									(10,647)	(4,013)	(7,939)
Comprehensive income (loss) available (attributable) to Validus									$ 353,192	$ 370,880	$ 472,024

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Schedule II - Condensed financial information of registrant (Cash flow) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows provided by (used in) operating activities
Net income available to Validus	$ 9,970	$ 92,096	$ 94,963	$ 166,810	$ 69,042	$ 66,650	$ 65,790	$ 173,411	$ 363,839	$ 374,893	$ 479,963
Adjustments to reconcile net income to net cash provided by operating activities:
Dividends received from subsidiaries									320,000	465,000
Amortization of discount on senior notes									108	108	108
Change in net unrealized losses on investments	67,460	$ (5,459)	$ (31,428)	(47,444)	34,862	$ (3,916)	$ 34,676	(33,227)	(16,871)	32,395	2,842
Amortization of premium on fixed maturity investments									17,961	23,075	19,107
Change in:
Net cash provided by operating activities									410,203	334,506	340,161
Cash flows (used in) investing activities
Purchases of fixed maturity investments									(3,074,703)	(4,225,031)	(4,391,814)
Net cash used in investing activities									(991,793)	(370,834)	(162,681)
Cash flows provided by (used in) financing activities
Net proceeds on issuance of preferred shares									144,852	0	0
(Redemption) issuance of common shares, net									(7,701)	17,407	5,347
Purchases of common shares under repurchase program									(212,675)	(260,430)	(510,952)
Dividends paid on preferred shares									(4,455)	0	0
Dividends paid on common shares									(115,625)	(112,967)	(117,043)
Net cash provided by (used in) financing activities									301,089	226,641	(331,102)
Net increase in cash									(303,133)	172,708	(178,932)
Cash and cash equivalents - beginning of year				723,109				550,401	723,109	550,401	729,333
Cash and cash equivalents - end of year	419,976				723,109				419,976	723,109	550,401
Parent Company
Cash flows provided by (used in) operating activities
Net income available to Validus									363,839	374,893	479,963
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in net earnings of subsidiary									(479,143)	(503,254)	(619,522)
Dividends received from subsidiaries									30,000	620,700	100,000
Net realized gains on investments									(8,020)	0	0
Amortization of discount on senior notes									108	108	108
Share compensation expenses									6,832	7,261	6,424
Change in net unrealized losses on investments									276	395	0
Amortization of premium on fixed maturity investments									115	105	0
Change in:
Other assets									(238)	173	528
Accrued investment income									(190)	(49)	0
Balances due from subsidiaries									10,389	30,689	(12,030)
Balances due to subsidiaries									28,622	0	0
Accounts payable and accrued expenses									(4,348)	5,080	2,624
Net cash provided by operating activities									(51,758)	536,101	(41,905)
Cash flows (used in) investing activities
Purchases of fixed maturity investments									(56,164)	(28,903)	0
Investment in subsidiaries									0	(555,700)	0
Return of capital from subsidiaries									290,000	400,000	673,966
Net cash used in investing activities									233,836	(184,603)	673,966
Cash flows provided by (used in) financing activities
Net proceeds on issuance of preferred shares									144,852	0	0
(Redemption) issuance of common shares, net									(7,701)	17,407	5,347
Purchases of common shares under repurchase program									(212,675)	(260,430)	(510,952)
Dividends paid on preferred shares									(4,455)	0	0
Dividends paid on common shares									(115,625)	(112,967)	(117,043)
Net cash provided by (used in) financing activities									(195,604)	(355,990)	(622,648)
Net increase in cash									(13,526)	(4,492)	9,413
Cash and cash equivalents - beginning of year				$ 25,306				$ 29,798	25,306	29,798	20,385
Cash and cash equivalents - end of year	$ 11,780				$ 25,306				$ 11,780	$ 25,306	$ 29,798

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Schedule III - Supplementary insurance information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Supplementary Insurance Information, by Segment [Line Items]
Deferred acquisition costs	$ 209,227	$ 181,002	$ 161,022
Reserve for losses and loss expenses	2,995,195	2,996,567	3,243,147
Unearned premiums	1,076,049	966,210	989,229
Net premiums earned	2,249,165	2,246,889	1,993,055
Net investment income	150,385	127,824	100,086
Losses and loss expenses	1,065,097	977,833	765,015
Amortization of deferred acquisition costs	449,482	410,058	339,467
Other operating expenses	379,201	402,050	362,435
Net premiums written	2,359,000	2,228,825	2,045,657
Validus Re
Supplementary Insurance Information, by Segment [Line Items]
Deferred acquisition costs	79,588	60,459	59,091
Reserve for losses and loss expenses	1,116,753	1,146,869	1,333,878
Unearned premiums	352,646	294,509	305,138
Net premiums earned	943,945	990,213	917,284
Net investment income	0	0	0
Losses and loss expenses	411,488	457,976	307,290
Amortization of deferred acquisition costs	181,040	166,387	141,670
Other operating expenses	83,804	88,778	84,478
Net premiums written	999,490	977,671	954,854
Talbot
Supplementary Insurance Information, by Segment [Line Items]
Deferred acquisition costs	95,237	92,095	95,246
Reserve for losses and loss expenses	1,301,517	1,302,635	1,352,056
Unearned premiums	551,815	533,558	552,660
Net premiums earned	781,916	838,091	879,774
Net investment income	0	0	0
Losses and loss expenses	424,946	347,322	423,394
Amortization of deferred acquisition costs	177,127	187,535	187,162
Other operating expenses	147,557	167,679	162,174
Net premiums written	794,973	819,939	909,559
Western World Insurance Group, Inc
Supplementary Insurance Information, by Segment [Line Items]
Deferred acquisition costs	34,841	28,622	9,566
Reserve for losses and loss expenses	589,500	600,331	613,551
Unearned premiums	158,945	130,101	133,185
Net premiums earned	273,232	258,650	72,996
Net investment income	0	0	0
Losses and loss expenses	183,812	171,878	51,035
Amortization of deferred acquisition costs	64,442	41,408	3,169
Other operating expenses	45,823	40,798	11,256
Net premiums written	300,586	259,627	58,807
AlphaCat
Supplementary Insurance Information, by Segment [Line Items]
Deferred acquisition costs	4,060	2,526	1,281
Reserve for losses and loss expenses	48,534	11,013	15,278
Unearned premiums	38,961	24,643	13,060
Net premiums earned	250,072	159,935	123,001
Net investment income	0	0	0
Losses and loss expenses	44,851	657	(16,704)
Amortization of deferred acquisition costs	26,905	16,327	11,584
Other operating expenses	34,582	39,635	36,799
Net premiums written	263,951	171,588	122,437
Corporate & Eliminations
Supplementary Insurance Information, by Segment [Line Items]
Deferred acquisition costs	(4,499)	(2,700)	(4,162)
Reserve for losses and loss expenses	(61,109)	(64,281)	(71,616)
Unearned premiums	(26,318)	(16,601)	(14,814)
Net premiums earned	0	0	0
Net investment income	150,385	127,824	100,086
Losses and loss expenses	0	0	0
Amortization of deferred acquisition costs	(32)	(1,599)	(4,118)
Other operating expenses	67,435	65,160	67,728
Net premiums written	$ 0	$ 0	$ 0

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Schedule IV - Reinsurance (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Supplemental Schedule of Reinsurance Premiums for Insurance Companies [Abstract]
Direct gross									$ 853,885	$ 838,755	$ 683,028
Ceded to other companies	$ 40,635	$ 45,006	$ 36,229	$ 167,835	$ 33,128	$ 48,810	$ 55,418	$ 191,325	289,705	328,681	313,208
Assumed from other companies									1,794,820	1,718,751	1,675,837
Net amount	$ 298,819	$ 327,412	$ 727,813	$ 1,004,956	$ 276,477	$ 353,699	$ 670,750	$ 927,899	$ 2,359,000	$ 2,228,825	$ 2,045,657
Percentage of amount assumed to net									76.00%	77.00%	82.00%

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Schedule VI - Supplemental information for property-casualty underwriters (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Supplemental Information for Property, Casualty Insurance Underwriters [Line Items]
Losses and loss expenses incurred related to current year	$ 1,281,289	$ 1,283,970	$ 1,024,256
Losses and loss expenses incurred related to prior year	(216,192)	(306,137)	(259,241)
Property and casualty insurance company subsidiaries
Supplemental Information for Property, Casualty Insurance Underwriters [Line Items]
Deferred acquisition costs	209,227	181,002	161,022
Reserves for losses and loss expenses	2,995,195	2,996,567	3,243,147
Reserves for unearned premiums	1,076,049	966,210	989,229
Net earned premiums	2,249,165	2,246,889	1,993,055
Net investment income	150,385	127,824	100,086
Losses and loss expenses incurred related to current year	1,281,289	1,283,970	1,024,256
Losses and loss expenses incurred related to prior year	(216,192)	(306,137)	(259,241)
Net paid losses and loss expenses	1,114,402	1,167,839	1,063,653
Amortization of deferred acquisition costs	449,482	410,058	339,467
Net premiums written	$ 2,359,000	$ 2,228,825	$ 2,045,657