10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2015

or

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ______________ to ______________

Commission file number: 001-13718

MDC Partners Inc.

(Exact name of registrant as specified in its charter)

Canada	98-0364441
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)
745 Fifth Avenue New York, New York	10151
(Address of principal executive offices)	(Zip Code)

(646) 429-1800

Registrant’s telephone number, including area code:

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   ¨

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 (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  Yes   ý No   ¨

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.

Large accelerated Filer  x	Accelerated filer  ¨
Non-accelerated Filer  ¨  (Do not check if a smaller reporting company.)	Smaller reporting company  ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes   ¨ No   ý

The numbers of shares outstanding as of April 24, 2015 were: 50,597,903 Class A subordinate voting shares and 3,755 Class B multiple voting shares.

Website Access to Company Reports

MDC Partners Inc.’s internet website address is www.mdc-partners.com. The Company’s annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K, and any amendments to those reports filed or furnished pursuant to section 13(a) or 15(d) of the Exchange Act, will be made available free of charge through the Company’s website as soon as reasonably practical after those reports are electronically filed with, or furnished to, the Securities and Exchange Commission.  The information found on, or otherwise accessible through, the Company’s website is not incorporated into, and does not form a part of, this quarterly report on Form 10-Q.

MDC PARTNERS INC.

QUARTERLY REPORT ON FORM 10-Q

TABLE OF CONTENTS

		Page
	PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements	3
	Condensed Consolidated Statements of Operations (unaudited) for the Three Months Ended March 31, 2015 and 2014	3
	Condensed Consolidated Statements of Comprehensive Loss (unaudited) for the Three Months Ended March 31, 2015 and 2014	4
	Condensed Consolidated Balance Sheets as of March 31, 2015 (unaudited) and December 31, 2014	5
	Condensed Consolidated Statements of Cash Flows (unaudited) for the Three Months Ended March 31, 2015 and 2014	6
	Condensed Consolidated Statements of Shareholders’ Deficit (unaudited) for the Three Months Ended March 31, 2015	7
	Notes to Unaudited Condensed Consolidated Financial Statements	8
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	24
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	41
Item 4.	Controls and Procedures	41
	PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	43
Item 1A.	Risk Factors	43
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	44
Item 3.	Defaults Upon Senior Securities	44
Item 4.	Mine Safety Disclosures	44
Item 5.	Other Information	44
Item 6.	Exhibits	44
Signatures		45

2

PART I. FINANCIAL INFORMATION

Item 1.    Financial Statements

MDC PARTNERS INC. AND SUBSIDIARIES

UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(thousands of United States dollars, except per share amounts)

	Three Months Ended March 31,
	2015			2014
Revenue:
Services	$	302,222		$	274,854
Operating Expenses:
Cost of services sold	210,419			181,468
Office and general expenses	74,308			71,336
Depreciation and amortization	12,300			10,482
	297,027			263,286
Operating profit	5,195			11,568
Other Income (Expense):
Other, net	(18,040		)	(6,571		)
Interest expense and finance charges	(15,096		)	(12,759		)
Interest income	119			140
	(33,017		)	(19,190		)
Loss from continuing operations before income taxes and equity in non-consolidated affiliates	(27,822		)	(7,622		)
Income tax benefit	(4,054		)	(346		)
Loss from continuing operations before equity in non-consolidated affiliates	(23,768		)	(7,276		)
Equity in earnings of non-consolidated affiliates	351			63
Loss from continuing operations	(23,417		)	(7,213		)
Loss from discontinued operations attributable to MDC Partners Inc., net of taxes	(6,294		)	(271		)
Net loss	(29,711		)	(7,484		)
Net income attributable to the noncontrolling interests	(2,380		)	(1,362		)
Net loss attributable to MDC Partners Inc.	$	(32,091	)	$	(8,846	)
Loss Per Common Share
Basic and Diluted:
Loss from continuing operations attributable to MDC Partners Inc. common shareholders	$	(0.52	)	$	(0.17	)
Discontinued operations attributable to MDC Partners Inc. common shareholders	(0.13		)	(0.01		)
Net loss attributable to MDC Partners Inc. common shareholders	$	(0.65	)	$	(0.18	)
Weighted Average Number of Common Shares Outstanding:
Basic and Diluted	49,754,961			49,338,332
Stock based compensation expense is included in the following line items above:
Cost of services sold	$	2,738		$	2,527
Office and general expenses	1,707			1,841
Total	$	4,445		$	4,368

See notes to the unaudited condensed consolidated financial statements.

3

MDC PARTNERS INC. AND SUBSIDIARIES

UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(thousands of United States dollars)

	Three Months Ended March 31,
	2015			2014
Comprehensive Loss
Net loss	$	(29,711	)	$	(7,484	)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	5,181			1,742
Other comprehensive income	5,181			1,742
Comprehensive loss for the year	(24,530		)	(5,742		)
Comprehensive income (loss) attributable to noncontrolling interest	151			(1,110		)
Comprehensive loss attributable to MDC Partners Inc.	$	(24,379	)	$	(6,852	)

See notes to the unaudited condensed consolidated financial statements.

4

MDC PARTNERS INC. AND SUBSIDIARIES

UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS

(thousands of United States dollars)

	March 31, 2015			December 31, 2014
	(Unaudited)
ASSETS
Current Assets:
Cash and cash equivalents	$	17,612		$	119,767
Accounts receivable, less allowance for doubtful accounts of $1,436 and $1,409	453,362			355,295
Expenditures billable to clients	45,854			40,202
Other current assets	48,892			36,978
Total Current Assets	565,720			552,242
Fixed assets, at cost, less accumulated depreciation of $97,271 and $95,083	59,598			60,240
Investment in non-consolidated affiliates	8,888			6,110
Goodwill	838,857			851,373
Other intangibles assets, net	77,365			86,121
Deferred tax asset	23,570			18,758
Other assets	66,127			74,046
Total Assets	$	1,640,125		$	1,648,890
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS, AND SHAREHOLDERS’ DEFICIT
Current Liabilities:
Accounts payable	$	251,892		$	316,285
Accruals and other liabilities	324,021			271,273
Advance billings	173,104			142,608
Current portion of long-term debt	532			534
Current portion of deferred acquisition consideration	100,131			90,804
Total Current Liabilities	849,680			821,504
Long-term debt, less current portion	761,799			742,593
Long-term portion of deferred acquisition consideration	100,673			114,564
Other liabilities	45,814			45,861
Deferred tax liabilities	78,740			77,997
Total Liabilities	1,836,706			1,802,519
Redeemable Noncontrolling Interests (Note 2)	202,338			194,951
Commitments, contingencies and guarantees (Note 11)
Shareholders’ Deficit:
Preferred shares, unlimited authorized, none issued	—			—
Class A Shares, no par value, unlimited authorized, 49,846,285 and 49,680,109 shares issued and outstanding in 2015 and 2014	268,821			265,817
Class B Shares, no par value, unlimited authorized, 3,755 shares issued and outstanding in 2015 and 2014, each convertible into one Class A share	1			1
Charges in excess of capital	(229,622		)	(209,668		)
Accumulated deficit	(521,724		)	(489,633		)
Accumulated other comprehensive loss	(40		)	(7,752		)
MDC Partners Inc. Shareholders' Deficit	(482,564		)	(441,235		)
Noncontrolling Interests	83,645			92,655
Total Shareholders' Deficit	(398,919		)	(348,580		)
Total Liabilities, Redeemable Noncontrolling Interests and Shareholders’ Deficit	$	1,640,125		$	1,648,890

See notes to the unaudited condensed consolidated financial statements.

5

MDC PARTNERS INC. AND SUBSIDIARIES

UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(thousands of United States dollars)

	Three Months Ended March 31,
	2015			2014
Cash flows from operating activities:
Net loss	$	(29,711	)	$	(7,484	)
Loss from discontinued operations attributable to MDC Partners Inc., net of taxes	(6,294		)	(271		)
Loss from continuing operations	(23,417		)	(7,213		)
Adjustments to reconcile net loss from continuing operations to cash used in operating activities:
Non-cash stock-based compensation	4,445			4,368
Depreciation	4,537			3,943
Amortization of intangibles	7,763			6,581
Amortization of deferred finance charges and debt discount	1,494			577
Adjustment to deferred acquisition consideration	2,801			8,388
Deferred income benefit	(3,929		)	(579		)
Earnings of non-consolidated affiliates	(351		)	(63		)
Other non-current assets and liabilities	733			(12,188		)
Foreign exchange	15,219			5,145
Changes in working capital:
Accounts receivable	(97,760		)	(55,245		)
Expenditures billable to clients	(5,721		)	(6,177		)
Prepaid expenses and other current assets	(12,211		)	(9,458		)
Accounts payable, accruals and other liabilities	(42,651		)	(7,552		)
Advance billings	30,496			29,424
Cash flows used in continuing operating activities	(118,552		)	(40,049		)
Discontinued operations	(1,294		)	746
Net cash used in operating activities	(119,846		)	(39,303		)
Cash flows used in investing activities:
Capital expenditures	(5,656		)	(2,496		)
Acquisitions, net of cash acquired	(1,310		)	(39,951		)
Proceeds from sale of assets	29			—
Other investments	(2,318		)	(2,077		)
Profit distributions from non-consolidated affiliates	342			281
Cash flows used in continuing investing activities	(8,913		)	(44,243		)
Discontinued operations	(153		)	(500		)
Net cash used in investing activities	(9,066		)	(44,743		)
Cash flows from (used in) financing activities:
Proceeds of revolving credit agreement	19,602			32,292
Acquisition related payments	(11,142		)	(10,715		)
Repayment of long-term debt	(126		)	(72		)
Purchase of shares	(876		)	(3,103		)
Distributions to noncontrolling interests	(2,839		)	(2,276		)
Cash overdrafts	32,103			(6,853		)
Payment of dividends	(10,636		)	(9,724		)
Cash flows provided by (used in) continuing financing activities	26,086			(451		)
Discontinued operations	(40		)	(40		)
Net cash provided by (used in) financing activities	26,046			(491		)
Effect of exchange rate changes on cash and cash equivalents	711			27
Decrease in cash and cash equivalents	(102,155		)	(84,510		)
Cash and cash equivalents at beginning of period	119,767			102,007
Cash and cash equivalents at end of period	$	17,612		$	17,497
Supplemental disclosures:
Cash income taxes paid	$	540		$	83
Cash interest paid	$	367		$	334
Non-cash transactions:
Capital leases	$	42		$	—
Dividends payable	$	1,384		$	967

See notes to the unaudited condensed consolidated financial statements.

6

MDC PARTNERS INC. AND SUBSIDIARIES

UNAUDITED CONDENSED STATEMENTS OF SHAREHOLDERS’ DEFICIT

(thousands of United States dollars)

	Common Stock											Charges in						Accumulated Other			MDC Partners Inc.						Total
	Class A					Class B			Additional			Excess of			Accumulated			Comprehensive			Shareholders'			Noncontrolling			Shareholders'
	Shares		Amount			Shares	Amount		Paid in Capital			Capital			Deficit			Income (Loss)			Deficit			Interests			Deficit
Balance at December 31, 2014	49,680,109		$	265,817		3,755	$	1	$	—		$	(209,668	)	$	(489,633	)	$	(7,752	)	$	(441,235	)	$	92,655		$	(348,580	)
Net loss attributable to MDC Partners	—		—			—	—		—			—			(32,091		)	—			(32,091		)	—			(32,091		)
Other Comprehensive income (loss)	—		—			—	—		—			—			—			7,712			7,712			(2,531		)	5,181
Issuance of restricted stock	194,849		3,880			—	—		(3,880		)	—			—			—			—			—			—
Shares acquired and cancelled	(28,673	)	(876		)	—	—		—			—			—			—			(876		)	—			(876		)
Stock-based compensation	—		—			—	—		1,776			—			—			—			1,776			—			1,776
Changes in redemption value of redeemable noncontrolling interests	—		—			—	—		(4,290		)	—			—			—			(4,290		)	—			(4,290		)
Changes in noncontrolling interests and redeemable noncontrolling interest from step-up transactions	—		—			—	—		(2,917		)	—			—			—			(2,917		)	(6,479		)	(9,396		)
Dividends paid and to be paid	—		—			—	—		(10,643		)	—			—			—			(10,643		)	—			(10,643		)
Transfer to charges in excess of capital	—		—			—	—		19,954			(19,954		)	—			—			—			—			—
Balance at March 31, 2015	49,846,285		$	268,821		3,755	$	1	$	—		$	(229,622	)	$	(521,724	)	$	(40	)	$	(482,564	)	$	83,645		$	(398,919	)

See notes to the unaudited condensed consolidated financial statements.

7

MDC PARTNERS INC. AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(thousands of United States dollars, unless otherwise stated)

1.    Basis of Presentation

MDC Partners Inc. (the “Company”) has prepared the unaudited condensed consolidated interim financial statements included herein pursuant to the rules and regulations of the United States Securities and Exchange Commission (the “SEC”). Certain information and footnote disclosures normally included in annual financial statements prepared in accordance with generally accepted accounting principles (“GAAP”) of the United States of America (“US GAAP”) have been condensed or omitted pursuant to these rules.

The accompanying financial statements reflect all adjustments, consisting of normally recurring accruals, which in the opinion of management are necessary for a fair presentation, in all material respects, of the information contained therein. Results of operations for interim periods are not necessarily indicative of annual results.

These statements should be read in conjunction with the consolidated financial statements and related notes included in the Annual Report on Form 10-K for the year ended December 31, 2014.

2.    Significant Accounting Policies

The Company’s significant accounting policies are summarized as follows:

Principles of Consolidation. The accompanying condensed consolidated financial statements include the accounts of MDC Partners Inc. and its domestic and international controlled subsidiaries that are not considered variable interest entities, and variable interest entities for which the Company is the primary beneficiary. Intercompany balances and transactions have been eliminated in consolidation.

Use of Estimates. The preparation of financial statements in conformity with US GAAP requires management to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities including goodwill, intangible assets, valuation allowances for receivables and deferred tax assets and the reported amounts of revenue and expenses during the reporting period. The estimates are evaluated on an ongoing basis and are based on historical experience, current conditions and various other assumptions believed to be reasonable under the circumstances. Actual results could differ from these estimates.

Fair Value. The Company applies the fair value measurement guidance of Codification Topic 820, Fair Value Measurements and Disclosure for financial assets and liabilities that are required to be measured at fair value and for nonfinancial assets and liabilities that are not required to be measured at fair value on a recurring basis, including goodwill and other identifiable intangible assets. The measurement of fair value requires the use of techniques based on observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect our market assumptions. The inputs create the following fair value hierarchy:

• Level 1 — Quoted prices for identical instruments in active markets.

• Level 2 — Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations where inputs are observable or where significant value drivers are observable.

• Level 3 — Instruments where significant value drivers are unobservable to third parties.

When available, quoted market prices are used to determine the fair value of our financial instruments and classify such items in Level 1. In some cases, quoted market prices are used for similar instruments in active markets and classify such items in Level 2.

Concentration of Credit Risk. The Company provides marketing communications services to clients who operate in most industry sectors. Credit is granted to qualified clients in the ordinary course of business. Due to the diversified nature of the Company’s client base, the Company does not believe that it is exposed to a concentration of credit risk. No client accounted for more than 10% of the Company’s consolidated accounts receivable at March 31, 2015 and December 31, 2014. No clients accounted for 10% of the Company’s revenue for the three months ended March 31, 2015 and 2014.

8

Cash and Cash Equivalents. The Company’s cash equivalents are primarily comprised of investments in overnight interest-bearing deposits, commercial paper and money market instruments and other short-term investments with original maturity dates of three months or less at the time of purchase. The Company has a concentration of credit risk in that there are cash deposits in excess of federally insured amounts. Included in cash and cash equivalents at March 31, 2015 and December 31, 2014, was $6,211 and $6,461, respectively, of cash restricted as to withdrawal pursuant to a collateral agreement and a customer's contractual requirement.

Allowance for Doubtful Accounts.  Trade receivables are stated at invoiced amounts less allowances for doubtful accounts. The allowances represent estimated uncollectible receivables associated with potential customer defaults usually due to customers’ potential insolvency. The allowances include amounts for certain customers where a risk of default has been specifically identified. The assessment of the likelihood of customer defaults is based on various factors, including the length of time the receivables are past due, historical experience and existing economic conditions.

Expenditures Billable to Clients.  Expenditures billable to clients consist principally of outside vendors costs incurred on behalf of clients when providing advertising, marketing and corporate communications services to clients that have not been invoiced. Such amounts are invoiced to clients at various times over the course of the production process.

Fixed Assets.  Fixed assets are stated at cost, net of accumulated depreciation. Computers, furniture and fixtures are depreciated on a straight-line basis over periods of 3 to 7 years. Leasehold improvements are depreciated on a straight-line basis over the lesser of the term of the related lease or the estimated useful life of the asset. Repairs and maintenance costs are expensed as incurred.

Equity Method Investments. The equity method is used to account for investments in entities in which the Company has an ownership interest of less than 50% and has significant influence, or joint control by contractual arrangement with all parties having an equity interest, over the operating and financial policies of the affiliate or has an ownership interest greater than 50% however the substantive participating rights of the noncontrolling interest shareholders preclude the Company of exercising unilateral control over the operating and financial policies of the affiliate. The Company’s investments accounted for using the equity method includes a 30% undivided interest in a real estate joint venture and various interests in investment funds. The Company’s management periodically evaluates these investments to determine if there has been a decline in value that is other than temporary. These investments are included in investments in non-consolidated affiliates.

Cost Method Investments. From time to time, the Company makes non-material cost based investments in start-up advertising technology companies and innovative consumer product companies where the Company does not exercise significant influence over the operating and financial policies of the investee. The total net cost basis of these investments, which is included in Other Assets on the balance sheet, as of March 31, 2015 and December 31, 2014 was $10,420 and $10,196, respectively. These investments are periodically evaluated to determine if there have been any other than temporary declines below book value. A variety of factors are considered when determining if a decline in fair value below book value is other than temporary, including, among others, the financial condition and prospects of the investee, as well as the Company’s investment intent.  In addition, the Company's partner agencies may receive minority equity interests from start-up companies in lieu of fees.

Business Combinations. Valuations of acquired companies are based on a number of factors, including specialized know-how, reputation, competitive position and service offerings. The Company’s acquisition strategy has been focused on acquiring the expertise of an assembled workforce in order to continue to build upon the core capabilities of its various strategic business platforms to better serve the Company’s clients. Consistent with the acquisition strategy and past practice of acquiring a majority ownership position, most acquisitions completed after 2010 included an initial payment at the time of closing and provide for future additional contingent purchase price payments. Contingent payments for these transactions, as well as certain acquisitions completed in prior years, are derived using the performance of the acquired entity and are based on predetermined formulas. Contingent purchase price obligations for acquisitions completed prior to January 1, 2009 are accrued when the contingency is resolved and payment is certain. Contingent purchase price obligations related to acquisitions completed subsequent to December 31, 2008 are recorded as liabilities at estimated value and are remeasured at each reporting period and changes in estimated value are recorded in results of operations. For the three months ended March 31, 2015 and 2014, $2,248 and $8,022, respectively, related to changes in estimated value was recorded as operating expenses. In addition, certain acquisitions also include put/call obligations for additional equity ownership interests. The estimated value of these interests is recorded as Redeemable Noncontrolling Interests. As of January 1, 2009, the Company expenses acquisition related costs in accordance with the Accounting Standard’s Codification’s guidance on acquisition accounting. For the three months ended March 31, 2015 and 2014, $874 and $1,071, respectively, of acquisition related costs were charged to operations.

9

For each of the Company's acquisitions, we undertake a detailed review to identify other intangible assets and a valuation is performed for all such identified assets. We use several market participant measurements to determine estimated value. This approach includes consideration of similar and recent transactions, as well as utilizing discounted expected cash flow methodologies. Like most service businesses, a substantial portion of the intangible asset value that the Company acquires is the specialized know-how of the workforce, which is treated as part of goodwill and is not required to be valued separately. The majority of the value of the identifiable intangible assets acquired is derived from customer relationships, including the related customer contracts, as well as trade names. In executing the Company's acquisition strategy, one of the primary drivers in identifying and executing a specific transaction is the existence of, or the ability to, expand the existing client relationships. The expected benefits of the Company's acquisitions are typically shared across multiple agencies and regions.

Redeemable Noncontrolling Interest. The minority interest shareholders of certain subsidiaries have the right to require the Company to acquire their ownership interest under certain circumstances pursuant to a contractual arrangement and the Company has similar call options under the same contractual terms. The amount of consideration under the put and call rights is not a fixed amount, but rather is dependent upon various valuation formulas and on future events, such as the average earnings of the relevant subsidiary through the date of exercise, the growth rate of the earnings of the relevant subsidiary through the date of exercise, etc. as described in Note 11.

The Company has recorded the value of put options held by noncontrolling interests as mezzanine equity at their current estimated redemption amounts. The Company accrues changes in the redemption amounts over the period from the date of issuance to the earliest redemption date of the put options. The Company accounts for the put options with a charge to income attributable to noncontrolling interests to reflect the excess, if any, of the estimated exercise price over the estimated fair value of the noncontrolling interest shares at the date of the option being exercised. For the three months ended March 31, 2015 and 2014, there were no charges to income attributable to noncontrolling interests. Changes in the estimated redemption amounts of the put options are adjusted at each reporting period with a corresponding adjustment to equity. These adjustments will not impact the calculation of earnings (loss) per share.

The following table presents changes in Redeemable Noncontrolling Interests:

	Three Months Ended March 31, 2015			Year Ended December 31, 2014
Beginning Balance	$	194,951		$	148,534
Redemptions	(1,729		)	(4,820		)
Granted (1)	5,704			13,327
Changes in redemption value	4,290			38,850
Currency Translation Adjustments	(878		)	(940		)
Ending Balance	$	202,338		$	194,951

(1) Grants in 2015 consist entirely of transfers from Noncontrolling Interests related to step-up transactions.

Variable Interest Entity. Effective March 28, 2012, the Company invested in Doner Partners LLC (“Doner”), and has determined that this entity is a variable interest entity (“VIE”) and is consolidated for all periods subsequent to the date of investment. The Company acquired a 30% voting interest and convertible preferred interests that allow the Company to increase ordinary voting ownership to 70% at the Company’s option. Doner is a full service integrated creative agency that is included as part of our portfolio in the Strategic Marketing Services Segment. The Company’s Credit Agreement (see Note 7) is guaranteed and secured by all of Doner’s assets.

The Company has determined that it is the primary beneficiary because the Company receives a disproportionate share of profits and losses as compared to the Company’s ownership percentage. Total assets and total liabilities of Doner included in the Company’s consolidated balance sheet at March 31, 2015 were $154,855 and $125,670, respectively and at December 31, 2014 were $223,305 and $192,340, respectively.

Guarantees.  Guarantees issued or modified by the Company to third parties after January 1, 2003 are generally recognized, at the inception or modification of a guarantee, as a liability for the obligations it has undertaken in issuing the guarantee, including its ongoing obligation to stand ready to perform over the term of the guarantee in the event that the specified triggering events or conditions occur. The initial measurement of that liability is the fair value of the guarantee. The

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recognition of the liability is required even if it is not probable that payments will be required under the guarantee. The Company’s liability associated with guarantees is not significant. (See Note 11.)

Revenue Recognition. The Company’s revenue recognition policies are as required by the Revenue Recognition topics of the FASB Accounting Standards Codification, and accordingly, revenue is generally recognized as services are provided or upon delivery of the products when ownership and risk of loss has transferred to the customer, the selling price is fixed or determinable and collection of the resulting receivable is reasonably assured. The Company follows the Revenue Arrangements with Multiple Deliverables topic of the FASB Accounting Standards Codification issued. This topic addresses certain aspects of the accounting by a vendor for arrangements under which it will perform multiple revenue-generating activities and how to determine whether an arrangement involving multiple deliverables contains more than one unit of accounting. The Company also follows the Reporting Revenue Gross as a Principal versus Net as an Agent topic that summarizes the EITF’s views on when revenue should be recorded at the gross amount billed because it has earned revenue from the sale of goods or services, or the net amount retained because it has earned a fee or commission. The Company also follows the Income Statement Characterization of Reimbursements Received for Out-of-Pocket Expenses Incurred topic, for reimbursements received for out-of-pocket expenses, which summarizes the EITF’s views that reimbursements received for out-of-pocket expenses incurred should be characterized in the income statement as revenue. Accordingly, the Company has included such reimbursed expenses in revenue.

The Company earns revenue from agency arrangements in the form of retainer fees or commissions; from short-term project arrangements in the form of fixed fees or per diem fees for services; and from incentives or bonuses.

Non-refundable retainer fees are generally recognized on a straight-line basis over the term of the specific customer arrangement. Commission revenue is earned and recognized upon the placement of advertisements in various media when the Company has no further performance obligations. Fixed fees for services are recognized upon completion of the earnings process and acceptance by the client. Per diem fees are recognized upon the performance of the Company’s services. In addition, for a limited number of certain service transactions, which require delivery of a number of service acts, the Company uses the Proportional Performance model, which generally results in revenue being recognized based on the straight-line method.

Fees billed to clients in excess of fees recognized as revenue are classified as Advanced Billings.

A small portion of the Company’s contractual arrangements with customers includes performance incentive provisions, which allows the Company to earn additional revenues as a result of its performance relative to both quantitative and qualitative goals. The Company recognizes the incentive portion of revenue under these arrangements when specific quantitative goals are assured, or when the Company’s clients determine performance against qualitative goals has been achieved. In all circumstances, revenue is only recognized when collection is reasonably assured. The Company records revenue net of sales and other taxes due to be collected and remitted to governmental authorities.

Cost of Services Sold.  Costs of services sold do not include depreciation charges for fixed assets.

Interest Expense. Interest expense primarily consists of the cost of borrowing on the 6.75% Notes and the Credit Agreement. The Company uses the effective interest method to amortize the deferred financing costs and original issue premium on the 6.75% Notes. The Company also uses the straight-line method to amortize the deferred financing costs on the Credit Agreement.

Income Taxes. The Company’s US operating units are generally structured as limited liability companies, which are treated as partnerships for tax purposes.   The Company is only taxed on its share of profits, while noncontrolling holders are responsible for taxes on their share of the profits. The Company currently has a fully reserved valuation allowance for its US net operating losses.   During the three months ended March 31, 2015 and 2014, the effective tax rate was generally lower than the statutory rate due to additional valuation allowances recorded primarily in the US.

Stock-Based Compensation.  Under the fair value method, compensation cost is measured at fair value at the date of grant and is expensed over the service period, that is the award’s vesting period. When awards are exercised, share capital is credited by the sum of the consideration paid together with the related portion previously credited to additional paid-in capital when compensation costs were charged against income or acquisition consideration.

The Company uses its historical volatility derived over the expected term of the award, to determine the volatility factor used in determining the fair value of the award.

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Stock-based awards that are settled in cash or may be settled in cash at the option of employees are recorded as liabilities. The measurement of the liability and compensation cost for these awards is based on the fair value of the award, and is recorded into operating income (expense) over the service period, that is the vesting period of the award. Changes in the Company’s payment obligation prior to the settlement date are recorded as compensation cost in operating income in the period of the change. The final payment amount for such awards is established on the date of the exercise of the award by the employee.

Stock-based awards that are settled in cash or equity at the option of the Company are recorded at fair value on the date of grant and recorded as additional paid-in capital. The fair value measurement of the compensation cost for these awards is based on using the Black-Scholes option pricing-model and is recorded in operating income over the service period, that is the vesting period of the award.

It is the Company’s policy for issuing shares upon the exercise of an equity incentive award to verify the amount of shares to be issued, as well as the amount of proceeds to be collected (if any) and delivery of new shares to the exercising party.

The Company has adopted the straight-line attribution method for determining the compensation cost to be recorded during each accounting period. However, awards based on performance conditions are recorded as compensation expense when the performance conditions are expected to be met.

The Company treats benefits paid by shareholders or equity members to employees as a stock based compensation charge with a corresponding credit to additional paid-in-capital.

From time to time, certain acquisitions and step up acquisitions include an element of compensation related payments. The Company accounts for those payments as stock-based compensation.

During the three months ended March 31, 2015, the Company issued no restricted stock units (“RSUs”) to its employees and directors. 

A total of 751,618 Class A shares of restricted stock, granted to employees as equity incentive awards but not yet vested, have been excluded in the Company’s calculation of Class A shares outstanding as of March 31, 2015.

Loss per Common Share.  Basic loss per share is based upon the weighted average number of common shares outstanding during each period, including the “Share capital to be issued” as reflected in the Shareholders’ Equity on the balance sheet. Diluted loss per share is based on the above, plus, if dilutive, common share equivalents, which include outstanding options, warrants, stock appreciation rights, restricted stock units and convertible notes.

Foreign Currency Translation.  The Company’s financial statements were prepared in accordance with the requirements of the Foreign Currency Translation topic of the FASB Accounting Standards Codification. The functional currency of the Company is the Canadian dollar and it has decided to use U.S. Dollars as its reporting currency for consolidated reporting purposes. All of the Company’s subsidiaries use their local currency as their functional currency. Accordingly, the currency impacts of the translation of the balance sheets of the Company’s non-U.S. Dollar based subsidiaries to U.S. Dollar statements are included as cumulative translation adjustments in accumulated other comprehensive income. Translation of intercompany debt, which is not intended to be repaid, is included in cumulative translation adjustments. Cumulative translation adjustments are not included in net earnings unless they are actually realized through a sale or upon complete or substantially complete liquidation of the Company’s net investment in the foreign operation. Translation of current intercompany balances are included in net earnings. The balance sheets of non-U.S. Dollar based subsidiaries are translated at the period end rate. The income statements of non-U.S. Dollar based subsidiaries are translated at average exchange rates for the period.

Gains and losses arising from the Company’s foreign currency transactions are reflected in net earnings. Unrealized gains or losses arising on the translation of certain intercompany foreign currency transactions that are of a long-term nature (that is settlement is not planned or anticipated in the future) are included as cumulative translation adjustments in accumulated other comprehensive income.

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3.    Loss Per Common Share

The following table sets forth the computation of basic and diluted loss per common share from continuing operations.

	Three Months Ended   March 31,
	2015			2014
Numerator
Numerator for basic loss per common share - loss from continuing operations	$	(23,417	)	$	(7,213	)
Net income attributable to the non-controlling interests	(2,380		)	(1,362		)
Net loss attributable to MDC Partners Inc. common shareholders from continuing operations	(25,797		)	(8,575		)
Effect of dilutive securities	—			—
Numerator for diluted loss per common share - loss attributable to MDC Partners Inc. common shareholders from continuing operations	$	(25,797	)	$	(8,575	)
Denominator
Denominator for basic loss per common share - weighted average common shares	49,754,961			49,338,332
Effect of dilutive securities	—			—
Denominator for diluted loss per common share - adjusted weighted shares and assumed conversions	49,754,961			49,338,332
Basic loss per common share from continuing operations	$	(0.52	)	$	(0.17	)
Diluted loss per common share from continuing operations	$	(0.52	)	$	(0.17	)

During the three months ended March 31, 2015, options and other rights to purchase 944,835 shares of common stock, which includes 832,335 shares of non-vested restricted stock and restricted stock units, were outstanding and were not included in the computation of diluted income per common share because their effect would be antidilutive.

During the three months ended March 31, 2014, options and other rights to purchase 1,113,210 shares of common stock, which includes 1,000,710 shares of non-vested restricted stock, were outstanding and were not included in the computation of diluted income per common share because their effect would be antidilutive.

4.    Acquisitions

Pro forma financial information has not been presented for 2015 since there were no material acquisitions. During 2015, the Company completed a number of step-up transactions to increase its equity ownership percentage in majority owned entities.

2015 Acquisitions

During the first quarter of 2015, the Company entered into various non-material transactions with certain majority owned entities.

2014 Acquisitions

During 2014, the Company entered into several acquisitions and various non-material transactions with certain majority owned entities. Effective January 1, 2014, MDC acquired 60% of the equity interests of Luntz Global Partners LLC (“LG”). Effective February 14, 2014, MDC acquired 65% of the equity interests of Kingsdale Partners LP (“Kingsdale”). LG and Kingsdale are both in the Company’s Performance Marketing Services segment. On June 3, 2014, MDC acquired a 100% equity interest in The House Worldwide Ltd ("THW"). On July 31, 2014, Union Advertising Canada LP acquired 100% of the issued and outstanding stock of Trapeze Media Limited ("Trapeze"). Effective August 1, 2014 MDC acquired 65% of the equity interests of Hunter PR LLC ("Hunter PR"). Effective August 18, 2014, MDC acquired a 75% interest in Albion Brand Communication Limited ("Albion"). In addition, in June 2014 and August 2014, MDC (through a subsidiary) entered into other non-material acquisitions. THW, Trapeze, Hunter PR, and Albion are all included within the Company's Strategic Marketing Services segment.

The aggregate purchase price of these acquisitions has an estimated present value at acquisition date of $151,202 and consisted of total closing cash payments of $67,236, and additional deferred acquisition payments that will be based on the financial results of the underlying businesses from 2014 to 2018 with final payments due in 2019. These additional deferred payments have

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an estimated present value at acquisition date of $83,966. An allocation of excess purchase price consideration of these acquisitions to the fair value of the net assets acquired resulted in identifiable intangibles of $61,906, consisting primarily of customer lists, a technology asset and covenants not to compete, and goodwill of $149,234, representing the value of the assembled workforce. The identified assets will be amortized over a five to six year period in a manner represented by the pattern in which the economic benefits of the customer contracts/relationships are realized. In addition, the Company has recorded $50,552 as the present value of noncontrolling interest and $13,327 as the present value of redeemable noncontrolling interest. Intangibles and goodwill of $149,232 are tax deductible. In addition, the Company recorded other income of $908 representing a gain on the previously held 18% interest in Trapeze.

The actual adjustments that the Company will ultimately make in finalizing the allocation of purchase price to fair value of the net assets acquired will depend on a number of factors.

Noncontrolling Interests

Changes in the Company’s ownership interests in our less than 100% owned subsidiaries during the three months endedMarch 31, were as follows:

Net Income (Loss) Attributable to MDC Partners Inc. and

Transfers (to) from the Noncontrolling Interest

	Three Months Ended March 31,
	2015			2014
Net loss attributable to MDC Partners Inc.	$	(32,091	)	$	(8,846	)
Transfers from the noncontrolling Interest:
Decrease in MDC Partners Inc. paid in capital for purchase of equity interests in excess of Redeemable Noncontrolling Interests and Noncontrolling Interests	(2,917		)	(4,798		)
Net transfers from noncontrolling interest	$	(2,917	)	$	(4,798	)
Change from net loss attributable to MDC Partners Inc. and transfers to non controlling interest	$	(35,008	)	$	(13,644	)

5.    Accruals and Other Liabilities

At March 31, 2015 and December 31, 2014, accruals and other liabilities included accrued media of $214,435 and $144,161, respectively; trust liabilities of $6,173 and $6,419, respectively; and included amounts due to noncontrolling interest holders, for their share of profits, which will be distributed within the next twelve months of $5,439 and $6,014, respectively.

Changes in noncontrolling interest amounts included in accrued and other liabilities for the year ended December 31, 2014 and three months ended March 31, 2015 were as follows:

	Noncontrolling Interests
Balance, December 31, 2013	$	5,210
Income attributable to noncontrolling interests	6,890
Distributions made	(6,523		)
Other (1)	437
Balance, December 31, 2014	$	6,014
Income attributable to noncontrolling interests	2,380
Distributions made	(2,839		)
Other (1)	(116		)
Balance, March 31, 2015	$	5,439

(1) Other primarily relates to step-up transactions, discontinued operations, and cumulative translation adjustments.

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6.    Discontinued Operations

In the fourth quarter of 2014, the Company classified Accent Marketing Services, LLC, which was previously reported in the Performance Marketing Services segment, as discontinued operations.

Included in discontinued operations in the Company’s consolidated statements of operations for the three months ended March 31, 2015 and 2014 was the following:

	Three Months Ended   March 31,
	2015			2014
Revenue	$	15,524		$	17,715
Operating loss	$	(1,552	)	$	(161	)
Other expense	$	(72	)	$	(110	)
Loss on disposal	(4,670		)	—
Net loss from discontinued operations attributable to MDC Partners Inc., net of taxes	$	(6,294	)	$	(271	)

At March 31, 2015, other current assets and other long term assets included assets held for sale of $5,622 and $11,378, respectively. At December 31, 2014, other current assets and other long term assets included assets held for sale of $5,591 and $16,409, respectively.

7.    Debt

The Company's indebtedness was comprised of:

	March 31, 2015		December 31, 2014
Revolving credit agreement	$	19,602	$	—
6.75% Senior Notes due 2020	735,000		735,000
Original issue premium	6,722		7,017
	761,324		742,017
Obligations under capital leases	1,007		1,110
	762,331		743,127
Less current portion:	532		534
	$	761,799	$	742,593

MDC Financing Agreement and Senior Notes

Issuance of 6.75% Senior Notes

On March 20, 2013, MDC Partners Inc. (“MDC”) entered into an indenture (the “Indenture”) among MDC, its existing and future restricted subsidiaries that guarantee, or are co-borrowers under or grant liens to secure, MDC’s senior secured revolving credit agreement (the “Credit Agreement”), as guarantors (the “Guarantors”) and The Bank of New York Mellon, as trustee, relating to the issuance by MDC of its $550,000 aggregate principal amount 6.75% Senior Notes due 2020 (the “6.75% Notes”). The 6.75% Notes bear interest at a rate of 6.75% per annum, accruing from March 20, 2013. Interest is

15

payable semiannually in arrears in cash on April 1 and October 1 of each year, beginning on October 1, 2013. The 6.75% Notes will mature on April 1, 2020, unless earlier redeemed or repurchased. The Company received net proceeds from the offering of the 6.75% Notes equal to approximately $537,600. The Company used the net proceeds to redeem all of the existing 11% Notes, together with accrued interest, related premiums, fees and expenses and recorded a charge for loss on redemption of notes of $55,588, including write offs of unamortized original issue premium and debt issuance costs. Remaining proceeds were used for general corporate purposes.

On November 15, 2013, the Company issued an additional $110,000 aggregate principal amount of its 6.75% Notes. The additional notes were issued under the Indenture governing the 6.75% Notes and treated as a single series with the original 6.75% Notes. The additional notes were sold in a private placement in reliance on exceptions from registration under the Securities Act of 1933, as amended. The Company received net proceeds before expenses of $111,925, which included an original issue premium of $4,125, and underwriter fees of $2,200. The Company used the net proceeds of the offering for general corporate purposes.

 On April 2, 2014, the Company issued an additional $75,000 aggregate principal amount of 6.75% Notes. The additional notes were issued under the Indenture governing the 6.75% Notes and treated as a single series with the original 6.75% Notes. The additional notes were sold in private placement in reliance on exceptions from registration under the Securities Act of 1933, as amended. The Company received net proceeds before expenses of $77,452, which included an original issue premium of $3,938, and underwriter fees of $1,500. The Company used the net proceeds of the offering for general corporate purposes, including the funding of deferred acquisition consideration, working capital, acquisitions and the repayment of the amount outstanding under our senior secured revolving credit facility.

The 6.75% Notes are guaranteed on a senior unsecured basis by all of MDC’s existing and future restricted subsidiaries that guarantee, or are co-borrowers under or grant liens to secure the Credit Agreement. The 6.75% Notes are unsecured and unsubordinated obligations of MDC and rank (i) equally in right of payment with all of MDC’s or any Guarantor’s existing and future senior indebtedness, (ii) senior in right of payment to MDC’s or any Guarantor’s existing and future subordinated indebtedness, (iii) effectively subordinated to all of MDC’s or any Guarantor’s existing and future secured indebtedness to the extent of the collateral securing such indebtedness, including the Credit Agreement, and (iv) structurally subordinated to all existing and future liabilities of MDC’s subsidiaries that are not Guarantors.

MDC may, at its option, redeem the 6.75% Notes in whole at any time or in part from time to time, on and after April 1, 2016 at a redemption price of 103.375% of the principal amount thereof if redeemed during the twelve-month period beginning on April 1, 2016, at a redemption price of 101.688% of the principal amount thereof if redeemed during the twelve-month period beginning on April 1, 2017 and at a redemption price of 100% of the principal amount thereof if redeemed on April 1, 2018 and thereafter.

Prior to April 1, 2016, MDC may, at its option, redeem some or all of the 6.75% Notes at a price equal to 100% of the principal amount of the 6.75% Notes plus a “make whole” premium and accrued and unpaid interest. MDC may also redeem, at its option, prior to April 1, 2016, up to 35% of the 6.75% Notes with the proceeds from one or more equity offerings at a redemption price of 106.750% of the principal amount thereof.

If MDC experiences certain kinds of changes of control (as defined in the Indenture), holders of the 6.75% Notes may require MDC to repurchase any 6.75% Notes held by them at a price equal to 101% of the principal amount of the 6.75% Notes plus accrued and unpaid interest. In addition, if MDC sells assets under certain circumstances, it must offer to repurchase the 6.75% Notes at a price equal to 100% of the principal amount of the 6.75% Notes plus accrued and unpaid interest.

The Indenture includes covenants that, among other things, restrict MDC’s ability and the ability of its restricted subsidiaries (as defined in the Indenture) to incur or guarantee additional indebtedness; pay dividends on or redeem or repurchase the capital stock of MDC; make certain types of investments; create restrictions on the payment of dividends or other amounts from MDC’s restricted subsidiaries; sell assets; enter into transactions with affiliates; create liens; enter into sale and leaseback transactions; and consolidate or merge with or into, or sell substantially all of MDC’s assets to, another person. These covenants are subject to a number of important limitations and exceptions. The 6.75% Notes are also subject to customary events of default, including cross-payment default and cross-acceleration provision.

Credit Agreement

On March 20, 2013, MDC, Maxxcom Inc. (a subsidiary of MDC) and each of their subsidiaries party thereto entered into an amended and restated, $225 million senior secured revolving credit agreement due 2018 (the “Credit Agreement”) with Wells Fargo Capital Finance, LLC, as agent, and the lenders from time to time party thereto. Advances under the Credit

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Agreement will be used for working capital and general corporate purposes, in each case pursuant to the terms of the Credit Agreement. Capitalized terms used in this section and not otherwise defined have the meanings set forth in the Credit Agreement.

Effective October 23, 2014, MDC and its subsidiaries entered into an amendment of its Credit Agreement. The amendment: (i) expands the commitments under the facility by $100 million, from $225 million to $325 million; (ii) extends the date by an additional eighteen months to September 30, 2019; (iii) reduces the base borrowing interest rate by 25 basis points (the applicable margin for borrowing is 1.00% in the case of Base Rate Loans and 1.75% in the case of LIBOR Rate Loans) ; and (iv) modifies certain covenants to provide the Company with increased flexibility to fund its continued growth and other general corporate purposes.

Advances under the Credit Agreement bear interest as follows: (a)(i) LIBOR Rate Loans bore interest at the LIBOR Rate and (ii) Base Rate Loans bear interest at the Base Rate, plus (b) an applicable margin. The initial applicable margin for borrowing is 1.00% in the case of Base Rate Loans and 1.75% in the case of LIBOR Rate Loans. In addition to paying interest on outstanding principal under the Credit Agreement, MDC is required to pay an unused revolver fee to lenders under the Credit Agreement in respect of unused commitments thereunder.

The Credit Agreement is guaranteed by substantially all of MDC’s present and future subsidiaries, other than immaterial subsidiaries and subject to customary exceptions. The Credit Agreement includes covenants that, among other things, restrict MDC’s ability and the ability of its subsidiaries to incur or guarantee additional indebtedness; pay dividends on or redeem or repurchase the capital stock of MDC; make certain types of investments; impose limitations on dividends or other amounts from MDC’s subsidiaries; incur certain liens, sell or otherwise dispose of certain assets; enter into transactions with affiliates; enter into sale and leaseback transactions; and consolidate or merge with or into, or sell substantially all of MDC’s assets to, another person. These covenants are subject to a number of important limitations and exceptions. The Credit Agreement also contains financial covenants, including a total leverage ratio, a senior leverage ratio, a fixed charge coverage ratio and a minimum earnings level. The Credit Agreement is also subject to customary events of default.

The Company is currently in compliance with all of the terms and conditions of its Credit Agreement, and management believes, based on its current financial projections, that the Company will be in compliance with the covenants over the next twelve months. At March 31, 2015, there were $19,602 borrowings under the Credit Agreement.

At March 31, 2015, the Company had issued $4,803 of undrawn outstanding Letters of Credit.

At March 31, 2015 and December 31, 2014, accounts payable included $40,044 and $72,147 of outstanding checks, respectively.

8.    Fair Value Measurements

Effective January 1, 2008, the Company adopted guidance regarding accounting for Fair Value Measurements, for financial assets and liabilities. This guidance defines fair value, establishes a framework for measuring fair value and expands the related disclosure requirements. The statement indicates, among other things, that a fair value measurement assumes a transaction to sell an asset or transfer a liability occurs in the principal market for the asset or liability or, in the absence of a principal market, the most advantageous market for the asset or liability.

In order to increase consistency and comparability in fair value measurements, the guidance establishes a hierarchy for observable and unobservable inputs used to measure fair value into three broad levels, which are described below:

• Level 1:  Quoted prices (unadjusted) in active markets that are accessible at the measurement date for assets or liabilities. The fair value hierarchy gives the highest priority to Level 1 inputs.

• Level 2:  Observable prices that are based on inputs not quoted on active markets, but corroborated by market data.

• Level 3:  Unobservable inputs are used when little or no market data is available. The fair value hierarchy gives the lowest priority to Level 3 inputs.

In determining fair value, the Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible as well as considers counterparty credit risk in its assessment of fair value.

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On a nonrecurring basis, the Company uses fair value measures when analyzing asset impairment. Long-lived assets and certain identifiable intangible assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If it is determined such indicators are present and the review indicates that the assets will not be fully recoverable, based on undiscounted estimated cash flows over the remaining amortization periods, their carrying values are reduced to estimated fair value. Measurements based on undiscounted cash flows are considered to be level 3 inputs. During the fourth quarter of each year, the Company evaluates goodwill and indefinite-lived intangibles for impairment at the reporting unit level. For each acquisition, the Company performed a detailed review to identify intangible assets and a valuation is performed for all such identified assets. The Company used several market participant measurements to determine estimated value. This approach includes consideration of similar and recent transactions, as well as utilizing discounted expected cash flow methodologies. The amounts allocated to assets acquired and liabilities assumed in the acquisitions were determined using level 3 inputs. Fair value for property and equipment was based on other observable transactions for similar property and equipment. Accounts receivable represents the best estimate of balances that will ultimately be collected, which is based in part on allowance for doubtful accounts reserve criteria and an evaluation of the specific receivable balances.

The following tables present certain information for our financial liabilities that is disclosed at fair value on a recurring basis at March 31, 2015 and December 31, 2014:

	Level 1				Level 1
	March 31, 2015				December 31, 2014
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Liabilities:
6.75% Notes due 2020	$	741,722	$	773,588	$	742,017	$	751,538

Our long term debt includes fixed rate debt. The fair value of this instrument is based on quoted market prices.

The following table presents changes in Deferred Acquisition Consideration:

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	March 31,			December 31,
	2015			2014
Beginning Balance of contingent payments	$	172,227		$	151,848
Payments	(2,033		)	(61,441		)
Grants (1)	2,944			68,642
Redemption value adjustments (2)	3,723			20,816
Transfers to (from) fixed payments	—			(5,146		)
Foreign translation adjustment	(3,055		)	(2,492		)
Ending Balance of contingent payments	$	173,806		$	172,227

(1) Grants are the initial estimated deferred acquisition payments of new acquisitions completed within that fiscal

period.

(2) Redemption value adjustments are fair value changes from the Company’s initial estimates of deferred acquisition

payments, including the accretion of present value and stock based compensation charges relating to acquisition

payments that are tied to continued employment.

In addition to the above amounts, there are fixed payments of $26,998 and $33,141 for total deferred acquisition consideration of $200,804 and $205,368, which reconciles to the consolidated financial statements at March 31, 2015 and December 31, 2014, respectively.

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The Company includes the payments of all deferred acquisition consideration in financing activities in the Company's consolidated statement of cash flows, as the Company believes these payments to be seller related financing activities, which is the predominant source of cash flows.

 Level 3 payments relate to payments made for deferred acquisition consideration. Level 3 grants relate to contingent purchase price obligations related to acquisitions. The Company records the initial liability of the estimated present value. The estimated liability is determined in accordance with various contractual valuation formulas that may be dependent on future events, such as the growth rate of the earnings of the relevant subsidiary during the contractual period, and, in some cases, the currency exchange rate of the date of payment. Level 3 redemption value adjustments relate to the remeasurement and change in these various contractual valuation formulas as well as adjustments of present value.

At March 31, 2015 and December 31, 2014, the carrying amount of the Company’s financial instruments, including cash and cash equivalents, accounts receivable and accounts payable, approximated fair value because of their short-term maturity.

9.    Other Income (Expense)

	Three Months Ended March 31,
	2015			2014
Other income (expense)	$	490		$	(19	)
Foreign currency loss	(18,530		)	(6,552		)
	$	(18,040	)	$	(6,571	)

10.    Segment Information

The Company’s segment reporting is consistent with the current manner of how the Chief Operating Decision Maker (“CODM”) and the Board of Directors view the business. The Company is focused on expanding its capabilities in database marketing and data analytics in order to position the Company for future business development efforts and revenue growth.

In order to position this strategic focus along the lines of how the CODM and management will base their business decisions, the Company reports in one reportable segment and two "other" segments. Decisions regarding allocation of resources are made and will be made based not only on the individual operating results of the subsidiaries but also on the overall performance of the reportable segments. These reportable segments are the aggregation of various reporting segments.

The Company reports in one reportable Strategic Marketing Services segment plus two “other” segments, Performance Marketing Services and corporate. The segments are as follows:

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• The Strategic Marketing Services segment consists of integrated marketing consulting services firms that offer a full complement of marketing, activation and consulting services including advertising and media, marketing communications including direct marketing, public relations, corporate communications, market research, corporate identity and branding, interactive marketing, and sales promotion. Each of the entities within the Strategic Marketing Services Group share similar economic characteristics, specifically related to the nature of their respective services, the manner in which the services are provided and the similarity of their respective customers. Due to the similarities in these businesses, they exhibit similar long term financial performance and have been aggregated together.

• The Performance Marketing Services segment includes our firms that provide consumer insights and analytics to satisfy the growing need for targetable, measurable solutions or cost effective means of driving return on marketing investment. These services interface directly with the consumer of a client’s product or service. Such services include the design, development, research and implementation of consumer services, media planning and buying, and direct marketing initiatives. In addition, services include consumer activation, investor relations and general public insights.

The significant accounting policies of these segments are the same as those described in the summary of significant accounting policies included in the notes to the consolidated financial statements. The Company continues to evaluate its Corporate Group and the services provided by the Corporate Group to the operating segments.

Summary financial information concerning the Company’s operating segments is shown in the following tables:

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Three Months Ended March 31, 2015

(thousands of United States dollars)

	Strategic Marketing Services			Performance Marketing Services			Corporate			Total
Revenue	$	240,436		$	61,786		$	—		$	302,222
Cost of services sold	166,026			44,393			—			210,419
Office and general expenses	49,156			11,154			13,998			74,308
Depreciation and amortization	6,423			5,430			447			12,300
Operating profit (loss)	18,831			809			(14,445		)	5,195
Other Income (Expense):
Other expense, net										(18,040		)
Interest expense, net										(14,977		)
Loss from continuing operations before income taxes and equity in non-consolidated affiliates										(27,822		)
Income tax benefit										(4,054		)
Loss from continuing operations before equity in non-consolidated affiliates										(23,768		)
Equity in earnings of non-consolidated affiliates										351
Loss from continuing operations										(23,417		)
Loss from discontinued operations attributable to MDC Partners Inc., net of taxes										(6,294		)
Net Loss										(29,711		)
Net income attributable to the non-controlling interests	(2,293		)	(87		)	—			(2,380		)
Net loss attributable to MDC Partners Inc.										$	(32,091	)
Stock based compensation	$	2,524		$	1,121		$	800		$	4,445
Supplemental Segment Information:
Capital expenditures	$	5,330		$	258		$	68		$	5,656
Goodwill and intangibles	$	553,066		$	363,156		$	—		$	916,222
Total Assets	$	918,200		$	565,411		$	156,514		$	1,640,125

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Three Months Ended March 31, 2014

(thousands of United States dollars)

	Strategic Marketing Services			Performance Marketing Services			Corporate			Total
Revenue	$	214,804		$	60,050		$	—		$	274,854
Cost of services sold	140,560			40,908			—			181,468
Office and general expenses	45,046			16,315			9,975			71,336
Depreciation and amortization	5,148			4,832			502			10,482
Operating profit (loss)	24,050			(2,005		)	(10,477		)	11,568
Other Income (Expense):
Other expense,net										(6,571		)
Interest expense, net										(12,619		)
Loss from continuing operations before income taxes, equity in affiliates										(7,622		)
Income tax benefit										(346		)
Loss from continuing operations before equity in affiliates										(7,276		)
Equity in earnings of non-consolidated affiliates										63
Loss from continuing operations										(7,213		)
Loss from discontinuing operations attributable to MDC Partners Inc., net of taxes										(271		)
Net loss										(7,484		)
Net income attributable to the noncontrolling interests	(1,390		)	28			—			(1,362		)
Net loss attributable to MDC Partners Inc.										$	(8,846	)
Stock based compensation	$	2,139		$	1,277		$	952		$	4,368
Supplemental Segment Information:
Capital expenditures	$	1,702		$	253		$	541		$	2,496
Goodwill and intangibles	$	522,170		$	424,485		$	—		$	946,655
Total Assets	$	860,571		$	573,308		$	136,393		$	1,570,272

22

A summary of the Company’s revenue by geographic area, based on the location in which the services originated, is set forth in the following table:

	United States		Canada		Other		Total
Revenue
Three Months Ended March 31,
2015	$	252,018	$	29,825	$	20,379	$	302,222
2014	$	228,833	$	30,913	$	15,108	$	274,854

11.    Commitments, Contingencies and Guarantees

Deferred Acquisition Consideration. In addition to the consideration paid by the Company in respect of certain of its acquisitions at closing, additional consideration may be payable, or may be potentially payable based on the achievement of certain threshold levels of earnings. See Note 2 and Note 4.

Put Options. Owners of interests in certain subsidiaries have the right in certain circumstances to require the Company to acquire the remaining ownership interests held by them. The owners’ ability to exercise any such “put option” right is subject to the satisfaction of certain conditions, including conditions requiring notice in advance of exercise. In addition, these rights cannot be exercised prior to specified staggered exercise dates. The exercise of these rights at their earliest contractual date would result in obligations of the Company to fund the related amounts during the remainder of 2015 to 2023. It is not determinable, at this time, if or when the owners of these rights will exercise all or a portion of these rights.

The amount payable by the Company in the event such rights are exercised is dependent on various valuation formulas and on future events, such as the average earnings of the relevant subsidiary through the date of exercise, the growth rate of the earnings of the relevant subsidiary during that period, and, in some cases, the currency exchange rate at the date of payment.

Management estimates, assuming that the subsidiaries owned by the Company at March 31, 2015, perform over the relevant future periods at their trailing twelve-months earnings levels, that these rights, if all exercised, could require the Company, in future periods, to pay an aggregate amount of approximately $21,632 to the owners of such rights to acquire such ownership interests in the relevant subsidiaries. Of this amount, the Company is entitled, at its option, to fund approximately $87 by the issuance of share capital. In addition, the Company is obligated under similar put option rights to pay an aggregate amount of approximately $180,706 only upon termination of such owner’s employment with the applicable subsidiary or death. Included in redeemable noncontrolling interests at March 31, 2015 is $202,338 of these put options because they are not within the control of the Company. The ultimate amount payable relating to these transactions will vary because it is dependent on the future results of operations of the subject businesses and the timing of when these rights are exercised.

Natural Disasters. Certain of the Company’s operations are located in regions of the United States and Caribbean which typically are subject to hurricanes. During the three months ended March 31, 2015 and 2014, these operations did not incur any costs related to damages resulting from hurricanes.

Guarantees.  Generally, the Company has indemnified the purchasers of certain assets in the event that a third party asserts a claim against the purchaser that relates to a liability retained by the Company. These types of indemnification guarantees typically extend for a number of years. Historically, the Company has not made any significant indemnification payments under such agreements and no amount has been accrued in the accompanying consolidated financial statements with respect to these indemnification guarantees. The Company continues to monitor the conditions that are subject to guarantees and indemnifications to identify whether it is probable that a loss has occurred, and would recognize any such losses under any guarantees or indemnifications in the period when those losses are probable and estimable

Legal Proceedings.  The Company’s operating entities are involved in legal proceedings of various types. While any litigation contains an element of uncertainty, the Company has no reason to believe that the outcome of such proceedings or claims will have a material adverse effect on the financial condition or results of operations of the Company.

Commitments.   At March 31, 2015, the Company had issued $4,803 of undrawn outstanding letters of credit. In addition, the Company has commitments to fund investments in an aggregate amount of $8,588.

12.    New Accounting Pronouncements

23

In April 2015, the FASB issued Standards Update 2015-03, Intangibles - Goodwill and Other-Internal-Use Software. This update amends Topic 350 and provides explicit guidance about customer’s accounting for fees paid in a cloud computing arrangement and whether it includes a software license. This guidance is effective for the Company beginning January 1, 2016. The implementation of the amended accounting guidance is not expected to have a material impact on our consolidated financial position or results of operations.

In April 2015, the FASB issued Standards Update 2015-03, Interest - Imputation of Interest. This update amends Topic 835 and requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability. This guidance is effective for the Company beginning January 1, 2016. The Company is currently assessing the impact on the presentation of our financial position and disclosures.

In May 2014, the FASB issued Standards Update 2014-09, Revenue with Contracts from Customers. This update supersedes Topic 605, Revenue Recognition. 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. To achieve this core principle, an entity must apply a five-step approach. ASU 2014-09 provides for one of two methods of transition: retrospective application to each prior period presented; or, recognition of the cumulative effect of retrospective application of the new standard in the period of initial application. This guidance is effective for the Company beginning January 1, 2017. The Company is currently assessing the impact and choice of transition method.

13.    Subsequent Events

Since October 5, 2014, the Company has been actively cooperating with the production of documents for review by the Securities and Exchange Commission pursuant to a Subpoena.  In connection with this production of documents, the Company formed a Special Committee of independent directors to review certain matters relating to the reimbursement of expenses incurred by the CEO.  The Special Committee completed an extensive review of perquisites and payments made by the Company on behalf of the CEO during the period 2009 through 2014.  Following the review, the CEO agreed to reimburse the Company for the perquisites and expenses in the aggregate amount of $8,600, which will be recorded as income in the second quarter of 2015.

Item 2.    Management’s Discussion and Analysis of Financial Condition and Results of Operations

Unless otherwise indicated, references to the “Company” mean MDC Partners Inc. and its subsidiaries, and references to a fiscal year means the Company’s year commencing on January 1 of that year and ending December 31 of that year (e.g., fiscal 2015 means the period beginning January 1, 2015, and ending December 31, 2015).

The Company reports its financial results in accordance with generally accepted accounting principles (“GAAP”) of the United States of America (“US GAAP”). However, the Company has included certain non-US GAAP financial measures and ratios, which it believes provide useful information to both management and readers of this report in measuring the financial performance and financial condition of the Company. One such term is “organic revenue” which means growth in revenues from sources other than acquisitions or foreign exchange impacts. These measures do not have a standardized meaning prescribed by US GAAP and, therefore, may not be comparable to similarly titled measures presented by other publicly traded companies, nor should they be construed as an alternative to other titled measures determined in accordance with US GAAP.

The following discussion focuses on the operating performance of the Company for the three months ended March 31, 2015 and 2014 and the financial condition of the Company as of March 31, 2015. This analysis should be read in conjunction with the interim condensed consolidated financial statements presented in this interim report and the annual audited consolidated financial statements and Management’s Discussion and Analysis presented in the Annual Report for the year ended December 31, 2014 as reported on Form 10-K. All amounts are in U.S. dollars unless otherwise stated.

Executive Summary

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The Company’s objective is to create shareholder value by building market-leading subsidiaries and affiliates that deliver innovative, value-added marketing communications and strategic consulting services to their clients. Management believes that shareholder value is maximized with an operating philosophy of “Perpetual Partnership” with proven committed industry leaders in marketing communications.

MDC manages the business by monitoring several financial and non-financial performance indicators. The key indicators that we review focus on the areas of revenues and operating expenses, which results in earnings before interest, income taxes and depreciation and amortization (“EBITDA”) and capital expenditures. Revenue growth is analyzed by reviewing the components and mix of the growth, including: growth by major geographic location; existing growth by major reportable segment (organic); growth from currency changes; and growth from acquisitions.

MDC conducts its businesses through the Marketing Communications Group. Within the Marketing Communications Group, there is one reportable operating segment, the Strategic Marketing Services and an other segment, the Performance Marking Services. In addition, MDC has a “Corporate Group” which provides certain administrative, accounting, financial, human resources and legal functions. Through our operating “partners”, MDC provides advertising, consulting, customer relationship management, and specialized communication services to clients throughout the world.

The operating companies earn revenue from agency arrangements in the form of retainer fees or commissions; from short-term project arrangements in the form of fixed fees or per diem fees for services; and from incentives or bonuses. Additional information about revenue recognition appears in Note 2 of the Notes to the Unaudited Condensed Consolidated Financial Statements.

MDC measures operating expenses in two distinct cost categories: cost of services sold, and office and general expenses. Cost of services sold is primarily comprised of employee compensation related costs and direct costs related primarily to providing services. Office and general expenses are primarily comprised of rent and occupancy costs and administrative service costs including related employee compensation costs. Also included in office and general expenses are the changes of the estimated value of our contingent purchase price obligations, including the accretion of present value and acquisition related costs. Depreciation and amortization are also included in operating expenses.

Because we are a service business, we monitor these costs on a percentage of revenue basis. Cost of services sold tends to fluctuate in conjunction with changes in revenues, whereas office and general expenses and depreciation and amortization, which are not directly related to servicing clients, tend to decrease as a percentage of revenue as revenues increase because a significant portion of these expenses are relatively fixed in nature. We also monitor the resulting EBITDA generated to assist in determining where investment needs to be made.

We measure capital expenses as either maintenance or investment related. Maintenance capital expenses are primarily composed of general upkeep of our office facilities and equipment that are required to continue to operate our businesses. Investment capital expenses include expansion costs, the build out of new capabilities, technology, or other growth initiatives not related to the day to day upkeep of the existing operations. Growth capital expenses are measured and approved based on the expected return of the invested capital.

Certain Factors Affecting Our Business

Overall Factors Affecting our Business and Results of Operations. The most significant factors include national, regional and local economic conditions, our clients’ profitability, mergers and acquisitions of our clients, changes in top management of our clients and our ability to retain and attract key employees. New business wins and client losses occur due to a variety of factors. The two most significant factors are clients’ desire to change marketing communication firms and the creative product our firms are offering. A client may choose to change marketing communication firms for any number of reasons, such as a change in top management and the new management wants to retain an agency that it may have previously worked with. In addition, if the client is merged or acquired by another company, the marketing communication firm is often changed. Further, global clients are trending to consolidate the use of numerous marketing communication firms to just one or two. Another factor in a client changing firms is the agency’s campaign or work product is not providing results and they feel a change is in order to generate additional revenues.

Clients will generally reduce or increase their spending or outsourcing needs based on their current business trends and profitability. These types of changes impact the Performance Marketing Services Group more than the Strategic Marketing Services Group due to the Performance Marketing Services Group having clients who require project-based work as opposed to the Strategic Marketing Services Group who primarily have retainer-based relationships.

25

Acquisitions and Dispositions. Our strategy includes acquiring ownership stakes in well-managed businesses with strong reputations in the industry. We engaged in a number of acquisition and disposal transactions during the 2009 to 2015 period, which affected revenues, expenses, operating income and net income. Additional information regarding material acquisitions is provided in Note 4 “Acquisitions” and information on dispositions is provided in Note 6 “Discontinued Operations” in the Notes to the Unaudited Condensed Consolidated Financial Statements.

Foreign Exchange Fluctuations. Our financial results and competitive position are affected by fluctuations in the exchange rate between the US dollar and non-US dollars, primarily the Canadian dollar. See also “Quantitative and Qualitative Disclosures About Market Risk — Foreign Exchange.”

Seasonality. Historically, with some exceptions, we generate the highest quarterly revenues during the fourth quarter in each year. The fourth quarter has historically been the period in the year in which the highest volumes of media placements and retail related consumer marketing occur.

26

Three Months Ended March 31, 2015

(thousands of United States dollars)

	Strategic Marketing Services			Performance Marketing Services			Corporate			Total
Revenue	$	240,436		$	61,786		$	—		$	302,222
Cost of services sold	166,026			44,393			—			210,419
Office and general expenses	49,156			11,154			13,998			74,308
Depreciation and amortization	6,423			5,430			447			12,300
Operating profit (loss)	18,831			809			(14,445		)	5,195
Other Income (Expense):
Other expense, net										(18,040		)
Interest expense, net										(14,977		)
Loss from continuing operations before income taxes and equity in non-consolidated affiliates										(27,822		)
Income tax benefit										(4,054		)
Loss from continuing operations before equity in non-consolidated affiliates										(23,768		)
Equity in earnings of non-consolidated affiliates										351
Loss from continuing operations										(23,417		)
Loss from discontinued operations attributable to MDC Partners Inc., net of taxes										(6,294		)
Net Loss										(29,711		)
Net income attributable to the non-controlling interests	(2,293		)	(87		)	—			(2,380		)
Net loss attributable to MDC Partners Inc.										$	(32,091	)
Stock based compensation	$	2,524		$	1,121		$	800		$	4,445

27

Three Months Ended March 31, 2014

(thousands of United States dollars)

	Strategic Marketing Services			Performance Marketing Services			Corporate			Total
Revenue	$	214,804		$	60,050		$	—		$	274,854
Cost of services sold	140,560			40,908			—			181,468
Office and general expenses	45,046			16,315			9,975			71,336
Depreciation and amortization	5,148			4,832			502			10,482
Operating profit (loss)	24,050			(2,005		)	(10,477		)	11,568
Other Income (Expense):
Other expense,net										(6,571		)
Interest expense, net										(12,619		)
Loss from continuing operations before income taxes, equity in affiliates										(7,622		)
Income tax benefit										(346		)
Loss from continuing operations before equity in affiliates										(7,276		)
Equity in earnings of non-consolidated affiliates										63
Loss from continuing operations										(7,213		)
Loss from discontinuing operations attributable to MDC Partners Inc., net of taxes										(271		)
Net loss										(7,484		)
Net income attributable to the noncontrolling interests	(1,390		)	28			—			(1,362		)
Net loss attributable to MDC Partners Inc.										$	(8,846	)
Stock based compensation	$	2,139		$	1,277		$	952		$	4,368

28

Three Months EndedMarch 31, 2015, Compared to Three Months EndedMarch 31, 2014

Revenue was $302.2 million for the three months endedMarch 31, 2015, representing an increase of $27.4 million, or 10.0%, compared to revenue of $274.9 million for the three months endedMarch 31, 2014. This revenue increase related primarily to organic growth of $20.4 million and acquisition growth of $12.4 million. A strengthening of the US Dollar, primarily versus the Canadian dollar during the three months endedMarch 31, 2015, resulted in decreased revenues of $5.4 million.

The operating profit for the three months endedMarch 31, 2015 was $5.2 million, compared to operating profit of $11.6 million for the three months endedMarch 31, 2014. The decrease in operating profit was primarily the result of a decrease in operating profit of $5.2 million in the Strategic Marketing Services segment and an increase in corporate expenses of $4.0 million, offset by an increase in operating profit of $2.8 million within the Performance Marketing Services segment.

Loss from continuing operations for the first three months ended March 31, 2015 was $23.4 million, compared to a loss of $7.2 million for the first three months ended March 31, 2014. This increase in loss of $16.2 million was primarily the result of an increase in other expense, net of $11.5 million related to an increase of $12.0 million in unrealized foreign exchange loss, a decrease in operating profit of $6.4 million, and an increase in interest expense, net of $2.3 million. These amounts were offset by an increase in income tax benefit of $3.7 million, and equity in earnings of non-consolidated affiliates of $0.3 million.

Marketing Communications Group

Revenues in the first three months of 2015 attributable to the Marketing Communications Group, which consists of two segments — Strategic Marketing Services and Performance Marketing Services, were $302.2 million, compared to $274.9 million in the first three months of 2014, representing a year-over-year increase of 10.0%.

The components of the increase in revenue in 2015 are shown in the following table:

	Revenue
	$   000’s			%
Three months ended March 31, 2014	$	274,854
Organic	20,379			7.4	%
Acquisitions	12,361			4.5	%
Foreign exchange impact	(5,372		)	(1.9	)%
Three months ended March 31, 2015	$	302,222		10.0	%

The geographic mix in revenues was consistent between the first three months of 2015 and 2014 and is demonstrated in the following table:

	2015		2014
US	83	%	83	%
Canada	10	%	11	%
Other	7	%	6	%

The operating profit of the Marketing Communications Group decreased by $2.4 million to $19.6 million from $22.0 million. Operating margins decreased by 1.5% and were 6.5% for 2015, compared to 8.0% for 2014. The decrease in operating profit and margins was primarily due to increases in staff costs, direct costs (excluding staff costs) and depreciation and amortization, offset by increased revenue and decreases in office and general expenses. Total staff costs increased as a percentage of revenue from 58.2% in 2014 to 61.1% in 2015. This increase is primarily due to timing of revenue recognized in the first quarter of 2015 compared to the fourth quarter 2014 run rate of staff costs. Direct costs increased as a percentage of revenues from 14.5% in 2014, to 14.8% in 2015. Direct costs increased as there were increased pass-through costs incurred on the clients’ behalf during the first three months of 2015 where the company was acting as principal versus agent for certain client contracts. Depreciation and amortization as a percentage of revenue increased from 3.6% in 2014 to 3.9% in 2015 primarily due to amortization expense relating to acquisitions completed throughout 2014. Office and general expenses

29

decreased as a percentage of revenue from 22.3% in 2014 to 20.0% in 2015.  This decrease was primarily due to a decrease of $5.8 million in expense relating to estimated deferred acquisition consideration and increased revenue on relatively fixed costs.

Strategic Marketing Services

Revenues attributable to Strategic Marketing Services in the first three months of 2015 were $240.4 million, compared to $214.8 million in the first three months of 2014. The year-over-year increase of $25.6 million or 11.9% was attributable primarily to organic growth as a result of net new business wins of $18.8 million or 8.7% and acquisition growth of $11.0 million or 5.1%. A strengthening of the US dollar versus the Canadian dollar in 2015 compared to 2014 resulted in a 1.9% decrease in revenues from the segment’s Canadian-based operations.

The operating profit of Strategic Marketing Services decreased by $5.2 million from $24.1 million in the first three months of 2014 to $18.8 million in the first three months of 2015. Operating margins decreased from 11.2% in the first three months of 2014 to 7.8% in the first three months of 2015. The decrease in operating profits and margins was primarily due to increases in total staff costs, direct costs (excluding staff and labor), and depreciation and amortization, offset by a decrease in total office and general expenses. Total staff costs increased as a percentage of revenue from 61.1% in the first three months of 2014 to 63.6% in the months of 2015. This increase is primarily due to timing of revenue recognized in the first quarter of 2015 compared to the fourth quarter 2014 run rate of staff cost. It is expected that the staff cost ratio will normalize to the 2014 annualized rate of approximately 59%. Direct costs increased as a percentage of revenue from 10.3% in 2014 to 11.9% in 2015. Direct costs increased as there were increased pass-through costs incurred on clients' behalf during the first three months of 2015. Depreciation and amortization as a percentage of revenue increased from 2.4% in 2014 to 2.7% in 2015 due primarily to amortization expense relating to acquisitions completed throughout 2014. Office and general expenses decreased as a percentage of revenue from 21.0% in the first three months of 2014 to 20.4% in the first three months of 2015. The decrease was due primarily to a decrease of $2.9 million in expense relating to acquisition related costs and increased revenue on relatively fixed costs.

Performance Marketing Services

The Performance Marketing Services segment generated revenues of $61.8 million for the first three months of 2015, an increase of $1.7 million, or 2.9% compared to $60.1 million in the first three months of 2014. The year over year increase was attributed primarily to organic revenue growth as a result of net new business wins of 2.7% and acquisition growth of 2.3%. In addition, a strengthening of the US dollar versus the Canadian dollar in 2015 compared to 2014, resulted in a decrease in revenues from the segment’s Canadian-based operations of 2.1%.

The operating profit and margins of Performance Marketing Services increased by $2.8 million from a loss of $2.0 million in the first three months of 2014 to profit of $0.8 million in the first three months of 2015. Operating margins increased from a loss of 3.3% in the first three months of 2014 to operating profit of 1.3% in the first three months of 2015. This increase in operating profits and operating margins were due to decreases in direct costs (excluding staff labor), and office and general expenses, offset by increases in total staff costs and depreciation and amortization. Direct costs decreased as a percentage of revenue from 29.5% in the first three months of 2014 to 26.3% in 2015. Direct costs decreased as there were less pass-through costs incurred on client's behalf during the first three months of 2015. Office and general costs decreased from 27.2% in 2014 to 18.1% in 2015. The decrease was due to a decrease of $2.9 million in expense relating to estimated deferred acquisition consideration. Total staff costs increased as a percentage of revenue from 47.8% in 2014 to 51.5% in 2015. Staff costs increased by $3.1 million from 2014 to 2015. The increase in staff costs as a percentage of revenue was primarily due to relatively flat revenue growth year over year. Depreciation and amortization increased from 8.0% in 2014 to 8.8% in 2015 due primarily to amortization expense relating to acquisitions completed in 2014.

Corporate

Operating costs related to the Company’s Corporate operations increased $4.0 million to $14.4 million in the first three months of 2015 from $10.5 million in the first three months of 2014. This increase was primarily related to $6.2 million of legal fees of which $5.8 million related to the Securities and Exchange Commission inquiry. This increase was offset in part by declines in advertising and promotional expenses of $0.8 million, travel and entertainment of $0.7 million, staff costs of $0.5 million and various other administrative expenses of $0.2 million.

Other Income, Net

Other income (expense) decreased to expense of $18.0 million in the first three months of 2015 compared to expense of $6.6 million in the first three months of 2014. The increase was primarily related to an unrealized foreign exchange loss of

30

$6.6 million in 2014 compared to an unrealized foreign exchange loss of $18.5 million in 2015. Specifically, these unrealized losses were due primarily to the fluctuation in the US dollar during 2015 and 2014, compared to the Canadian dollar, on the Company’s US dollar denominated intercompany balances with its Canadian subsidiaries. Additionally, in 2015 the Company had other income of $0.5 million compared to a nominal loss in 2014.

Net Interest Expense

Net interest expense for the first three months of 2015 was $15.0 million, an increase of $2.4 million over the $12.6 million of net interest expense incurred during the first three months of 2014. The increase in interest expense in 2015 was due the additional issuance of the $75 million of 6.75% Notes in April 2014.

Income Taxes

Income tax benefit was $4.1 million in the first three months of 2015 compared to a benefit of $0.3 million for the first three months of 2014. The Company’s effective tax rates in 2015 and 2014 was lower than the statutory rate due losses in certain tax jurisdictions where a valuation allowance was deemed necessary.

The Company’s US operating units are generally structured as limited liability companies, which are treated as partnerships for tax purposes. The Company is only taxed on its share of profits, while noncontrolling holders are responsible for taxes on their share of the profits.

Equity in Affiliates

Equity in affiliates represents the income attributable to equity-accounted affiliate operations. Equity in affiliates had income of $0.4 million in the first three months of 2015 compared to nominal income in the first three months of 2014.

Noncontrolling Interests

Net income attributable to the noncontrolling interests was $2.4 million for the first three months of 2015, an increase of $1.0 million from the $1.4 million of noncontrolling interest expense incurred during the first three months of 2014, primarily due to the Company’s increases in profitability of certain entities within the Strategic Marketing Services segment and Performance Marketing Services segment.

Discontinued Operations Attributable to MDC Partners Inc.

The loss from discontinued operations was $6.3 million for the first three months of 2015, compared to $0.3 million for the first three months of 2014. The increase in discontinued operations results from the 2014 strategic decision to sell the net assets of the Company's Accent operations.

Net Income (Loss) attributable to MDC Partners Inc.

As a result of the foregoing, the net loss attributable to MDC Partners Inc. recorded for the first three months of 2015 was a loss of $32.1 million, or $0.65 per diluted share.   This amount is compared to a net loss attributable to MDC Partners Inc. of $8.8 million, or a loss of $0.18 per diluted share, reported for the first three months of 2014.

31

Liquidity and Capital Resources:

Liquidity

The following table provides summary information about the Company’s liquidity position:

	As of and for the first three months ended March 31, 2015			As of and for the first three months ended March 31, 2014			As of and for the year ended December 31, 2014
	(000’s)			(000’s)			(000’s)
Cash and cash equivalents	$	17,612		$	17,497		$	119,767
Working capital (deficit)	$	(283,960	)	$	(218,815	)	$	(269,262	)
Cash from (used in) operations	$	(119,846	)	$	(39,303	)	$	133,942
Cash from (used in) investing	$	(9,066	)	$	(44,743	)	$	(99,686	)
Cash from (used in) financing	$	26,046		$	(491	)	$	(15,428	)
Long-term debt to total equity ratio	(1.91		)	(2.79		)	(2.13		)
Fixed charge coverage ratio	N/A			N/A			1.23
Fixed charge deficiency	$	27,822		$	7,614		N/A

As of March 31, 2015 and December 31, 2014, $6.2 million and $6.5 million, respectively, of the consolidated cash position was held by subsidiaries, which, although available for the subsidiaries’ use, does not represent cash that is distributable as earnings to MDC Partners for use to reduce its indebtedness. It is the Company’s intent through its cash management system to reduce any outstanding borrowings under the Credit Agreement by using available cash.

The Company intends to maintain sufficient cash and/or available borrowings to fund operations for the next twelve months.

Working Capital

At March 31, 2015 the Company had a working capital deficit of $284.0 million compared to a deficit of $269.3 million at December 31, 2014. The increase in the working capital deficit was primarily due to seasonal shifts in the amounts collected from clients, and paid to suppliers, primarily media outlets. The Company includes amounts due to noncontrolling interest holders, for their share of profits, in accrued and other liabilities. At March 31, 2015, $5.4 million remained outstanding to be distributed to noncontrolling interest holders over the next twelve months.

The Company intends to maintain sufficient cash or availability of funds under the Credit Agreement at any particular time to adequately fund such working capital deficits should there be a need to do so from time to time.

Cash Flows

Operating Activities

Cash flow used in continuing operations, including changes in non-cash working capital, for the three months endedMarch 31, 2015 was $118.6 million. This was attributable to a loss from continuing operations of $23.4 million, an increase in accounts receivable of $97.8 million and a decrease in accounts payable, accruals, and other liabilities of $42.7 million primarily due to the timing and collection of related media payments, an increase in prepaid expenses and other current assets of $12.2 million, an increase in expenditures billable to clients of $5.7 million, deferred income taxes of $3.9 million and earnings of non-consolidated affiliates of $0.4 million. This was offset by depreciation, amortization of intangibles, and stock compensation of $16.7 million, adjustments to deferred acquisition consideration of $2.8 million, amortization of deferred finance charges and debt discount of $1.5 million, an increase in advanced billings of $30.5 million, foreign exchange of $15.2 million and an increase in other non-current assets and liabilities of $0.7 million. Discontinued operations attributable to MDC Partners used cash of $1.3 million in the three months endedMarch 31, 2015.

Cash flow used by continuing operations, including changes in non-cash working capital, for the three months ended March 31, 2014 was $40.0 million. This was attributable to the loss from continuing operations of $7.2 million, an increase in

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accounts receivable of $55.2 million, a net increase in other non-current assets and liabilities of $12.2 million, an increase in prepaid expenses and other current assets of $9.5 million, a decrease in accounts payable, accruals, and other liabilities of $7.6 million, expenditures billable to clients of $6.2 million, and deferred income taxes of $0.6 million. This was offset in part by an increase in advanced billings of $29.4 million, depreciation and amortization of intangibles and stock based compensation of $14.9 million, amortization of deferred finance charges and debt discount of $0.6 million, adjustments to deferred acquisition consideration of $8.4 million and foreign exchange of $5.1 million. Discontinued operations attributable to MDC Partners provided cash of $0.7 million in the three months ended March 31, 2014.

Investing Activities

Cash flows used in investing activities was $9.1 million for the three months endedMarch 31, 2015, compared with a cash flow used of $44.7 million in the three months endedMarch 31, 2014. In the three months endedMarch 31, 2015, the Company used $1.3 million, net of cash acquired for acquisitions. The Company also used $2.3 million for other investments. These outflows were offset by $0.3 million of profit distributions from affiliates.

In the three months endedMarch 31, 2015, capital expenditures totaled $5.7 million, of which $5.3 million was incurred by the Strategic Marketing Services segment, $0.3 million was incurred by the Performance Marketing Services segment, and $0.1 million was incurred by corporate. In the three months endedMarch 31, 2014, capital expenditures totaled $2.5 million of which $1.7 million was incurred by the Strategic Marketing Services segment, $0.3 million was incurred by the Performance Marketing Services segment, and $0.5 million was incurred by corporate. These expenditures consisted primarily of computer equipment, furniture and fixtures, and leasehold improvements. Discontinued operations used cash of $0.2 million and $0.5 million related to capital expenditures for the three months endedMarch 31, 2015 and March 31, 2014, respectively.

In the three months endedMarch 31, 2014, the Company used $40.0 million, net of cash acquired for the acquisitions of Kingsdale Partners LP and Luntz Global Partners LLC. In addition, the Company paid $2.1 million for other investments. These outflows were offset by $0.3 million of profit distributions from affiliates.

Financing Activities

During the three months endedMarch 31, 2015, cash flows provided by financing activities amounted to $26.0 million, and consisted of cash overdrafts of $32.1 million and $19.6 million borrowed under the credit agreement. These inflows were offset by $11.1 million of acquisition related payments, payment of dividends of $10.6 million, distributions to noncontrolling partners of $2.8 million, the purchase of treasury shares for income tax withholding requirements of $0.9 million, and repayments of long term debt of $0.1 million.

During the three months endedMarch 31, 2014, cash flows used in financing activities amounted to $0.5 million, and consisted primarily $10.7 million of acquisition related payments, payment of dividends of $9.7 million, cash overdrafts of $6.9 million, the purchase of treasury shares for income tax withholding requirements of $3.1 million, $2.3 million of distributions to noncontrolling partners, and repayments of long term debt of $0.1 million, offset by $32.3 million borrowed under the credit agreement.

Total Debt

6.75% Senior Notes Due 2020

On March 20, 2013, the Company entered into an indenture (the “Indenture”) among MDC, its existing and future restricted subsidiaries that guarantee, or are co-borrowers under or grant liens to secure, MDC’s senior secured revolving credit agreement (the “Credit Agreement”), as guarantors (the “Guarantors”) and The Bank of New York Mellon, as trustee, relating to the issuance by MDC of its $550 million aggregate principal amount 6.75% Senior Notes due 2020 (the “6.75% Notes”). The 6.75% Notes bear interest at a rate of 6.75% per annum, accruing from March 20, 2013. Interest is payable semiannually in arrears in cash on April 1 and October 1 of each year, beginning on October 1, 2013. The 6.75% Notes will mature on April 1, 2020, unless earlier redeemed or repurchased. The Company received net proceeds from the offering of the 6.75% Notes equal to approximately $537.6 million.  The Company used the net proceeds to redeem all of the existing 11% Notes, together with accrued interest, related premiums, fees and expenses and recorded a charge during the nine months ended September 30, 2013, for loss on redemption of notes of $55.6 million, including write offs of unamortized original issue premium and debt issuance costs. Remaining proceeds were used for general corporate purposes.

On November 15, 2013, the Company issued an additional $110 million aggregate principal amount of its 6.75% Notes. The additional notes were issued under the Indenture governing the 6.75% Notes and treated as a single series with the

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original 6.75% Notes. The additional notes were sold in a private placement in reliance on exceptions from registration under the Securities Act of 1933, as amended. The Company received net proceeds before expenses of $111.9 million, which included an original issue premium of $4.1 million, and underwriter fees of $2.2 million. The Company used the net proceeds of the offering for general corporate purposes.

On April 2, 2014, the Company issued an additional $75 million aggregate principal amount of 6.75% Notes due 2020 (the “Notes”). The additional notes were issued under the Indenture governing the 6.75% Notes and treated as a single series with the original 6.75% Notes. The additional notes were sold in private placement in reliance on exceptions from registration under the Securities Act of 1933, as amended. The Company received net proceeds before expenses of $77.5 million, which included an original issue premium of $3.9 million, and underwriter fees of $1.5 million. The Company used the net proceeds of the offering for general corporate purposes, including the funding of deferred acquisition consideration, working capital, acquisitions and the repayment of the amount outstanding under our senior secured revolving credit facility.

The 6.75% Notes are guaranteed on a senior unsecured basis by all of MDC’s existing and future restricted subsidiaries that guarantee, or are co-borrowers under or grant liens to secure the Credit Agreement. The 6.75% Notes are unsecured and unsubordinated obligations of MDC and rank (i) equally in right of payment with all of MDC’s or any Guarantor’s existing and future senior indebtedness, (ii) senior in right of payment to MDC’s or any Guarantor’s existing and future subordinated indebtedness, (iii) effectively subordinated to all of MDC’s or any Guarantor’s existing and future secured indebtedness to the extent of the collateral securing such indebtedness, including the Credit Agreement, and (iv) structurally subordinated to all existing and future liabilities of MDC’s subsidiaries that are not Guarantors.

MDC may, at its option, redeem the 6.75% Notes in whole at any time or in part from time to time, on and after April 1, 2016 at a redemption price of 103.375% of the principal amount thereof if redeemed during the twelve-month period beginning on April 1, 2016, at a redemption price of 101.688% of the principal amount thereof if redeemed during the twelve-month period beginning on April 1, 2017 and at a redemption price of 100% of the principal amount thereof if redeemed on April 1, 2018 and thereafter.

Prior to April 1, 2016, MDC may, at its option, redeem some or all of the 6.75% Notes at a price equal to 100% of the principal amount of the 6.75% Notes plus a “make whole” premium and accrued and unpaid interest. MDC may also redeem, at its option, prior to April 1, 2016, up to 35% of the 6.75% Notes with the proceeds from one or more equity offerings at a redemption price of 106.750% of the principal amount thereof.

If MDC experiences certain kinds of changes of control (as defined in the Indenture), holders of the 6.75% Notes may require MDC to repurchase any 6.75% Notes held by them at a price equal to 101% of the principal amount of the 6.75% Notes plus accrued and unpaid interest. In addition, if MDC sells assets under certain circumstances, it must offer to repurchase the 6.75% Notes at a price equal to 100% of the principal amount of the 6.75% Notes plus accrued and unpaid interest.

The Indenture includes covenants that, among other things, restrict MDC’s ability and the ability of its restricted subsidiaries (as defined in the Indenture) to incur or guarantee additional indebtedness; pay dividends on or redeem or repurchase the capital stock of MDC; make certain types of investments; create restrictions on the payment of dividends or other amounts from MDC’s restricted subsidiaries; sell assets; enter into transactions with affiliates; create liens; enter into sale and leaseback transactions; and consolidate or merge with or into, or sell substantially all of MDC’s assets to, another person. These covenants are subject to a number of important limitations and exceptions. The 6.75% Notes are also subject to customary events of default, including cross-payment default and cross-acceleration provisions.

Redemption of 11% Senior Notes Due 2016

On March 20, 2013, the Company redeemed all of the 11% Senior Notes due 2016.

Revolving Credit Agreement

On March 20, 2013, MDC, Maxxcom Inc. (a subsidiary of MDC) and each of their subsidiaries party thereto entered into an amended and restated, $225 million senior secured revolving credit agreement due 2018 (the “Credit Agreement”) with Wells Fargo Capital Finance, LLC, as agent, and the lenders from time to time party thereto. Advances under the Credit Agreement will be used for working capital and general corporate purposes, in each case pursuant to the terms of the Credit Agreement. Capitalized terms used in this section and not otherwise defined have the meanings set forth in the Credit Agreement. 

Effective October 23, 2014, MDC and its subsidiaries entered into an amendment of its Credit Agreement. The amendment: (i) expands the commitments under the facility by $100 million, from $225 million to $325 million; (ii) extends

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the date by an additional eighteen months to September 30, 2019; (iii) reduces the base borrowing interest rate by 25 basis points (the applicable margin for borrowing is 1.00% in the case of Base Rate Loans and 1.75% in the case of LIBOR Rate Loans) ; and (iv) modifies certain covenants to provide the Company with increased flexibility to fund its continued growth and other general corporate purposes.

Advances under the Credit Agreement bear interest as follows: (a)(i) LIBOR Rate Loans bore interest at the LIBOR Rate and (ii) Base Rate Loans bear interest at the Base Rate, plus (b) an applicable margin. The initial applicable margin for borrowing is 1.00% in the case of Base Rate Loans and 1.75% in the case of LIBOR Rate Loans. In addition to paying interest on outstanding principal under the Credit Agreement, MDC is required to pay an unused revolver fee to lenders under the Credit Agreement in respect of unused commitments thereunder.

The Credit Agreement is guaranteed by substantially all of MDC’s present and future subsidiaries, other than immaterial subsidiaries and subject to customary exceptions. The Credit Agreement includes covenants that, among other things, restrict MDC’s ability and the ability of its subsidiaries to incur or guarantee additional indebtedness; pay dividends on or redeem or repurchase the capital stock of MDC; make certain types of investments; impose limitations on dividends or other amounts from MDC’s subsidiaries; incur certain liens, sell or otherwise dispose of certain assets; enter into transactions with affiliates; enter into sale and leaseback transactions; and consolidate or merge with or into, or sell substantially all of MDC’s assets to, another person. These covenants are subject to a number of important limitations and exceptions. The Credit Agreement also contains financial covenants, including a total leverage ratio, a senior leverage ratio, a fixed charge coverage ratio and a minimum earnings level (each as more fully described in the Credit Agreement). The Credit Agreement is also subject to customary events of default.

The foregoing descriptions of the Indenture and the Credit Agreement do not purport to be complete and are qualified in their entirety by reference to the full text of the agreements.

Debt as of March 31, 2015 was $762.3 million, an increase of $19.2 million, compared with $743.1 million outstanding at December 31, 2014. This increase in debt was a result of the Company’s borrowings on the revolving credit agreement. At March 31, 2015, approximately $267.5 million was available under the Credit Agreement.

The Company is currently in compliance with all of the terms and conditions of the Credit Agreement, and management believes, based on its current financial projections, that the Company will be in compliance with its covenants over the next twelve months.

If the Company loses all or a substantial portion of its lines of credit under the Credit Agreement, or if the Company uses the maximum available amount under the Credit Agreement, it will be required to seek other sources of liquidity. If the Company were unable to find these sources of liquidity, for example through an equity offering or access to the capital markets, the Company’s ability to fund its working capital needs and any contingent obligations with respect to put options would be adversely affected.

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Pursuant to the Credit Agreement, the Company must comply with certain financial covenants including, among other things, covenants for (i) senior leverage ratio, (ii) total leverage ratio, (iii) fixed charges ratio, and (iv) minimum earnings before interest, taxes and depreciation and amortization, in each case as such term is specifically defined in the Credit Agreement. For the period ended March 31, 2015, the Company’s calculation of each of these covenants, and the specific requirements under the Credit Agreement, respectively, were as follows:

	March 31, 2015
Total Senior Leverage Ratio	0.1
Maximum per covenant	2.0
Total Leverage Ratio	4.1
Maximum per covenant	5.5
Fixed Charges Ratio	2.4
Minimum per covenant	1.0
Earnings before interest, taxes, depreciation and amortization	$	183,587
Minimum per covenant	$	105,000

These ratios are not based on generally accepted accounting principles and are not presented as alternative measures of operating performance or liquidity. They are presented here to demonstrate compliance with the covenants in the Company’s Credit Agreement, as non-compliance with such covenants could have a material adverse effect on the Company.

Deferred Acquisition Consideration (Earnouts)

Acquisitions of businesses by the Company may include commitments to contingent deferred purchase consideration payable to the seller. These contingent purchase obligations are generally payable within a one to five-year period following the acquisition date, and are based on achievement of certain thresholds of future earnings and, in certain cases, also based on the rate of growth of those earnings. The contingent consideration is recorded as an obligation of the Company when the contingency is resolved and the amount is reasonably determinable, for acquisitions prior to January 1, 2009. Contingent purchase price obligations related to acquisitions completed subsequent to December 31, 2008, are recorded as liabilities at estimated value and are remeasured at each reporting period. Based on various assumptions, all deferred consideration estimates based on future operating results of the relevant entities are recorded on the Company’s balance sheet at March 31, 2015. The actual amount that the Company pays in connection with the obligations may differ materially from this estimate. At March 31, 2015, there was $200.8 million of deferred consideration included in the Company’s balance sheet.

Other-Balance Sheet Commitments

Put Rights of Subsidiaries’ Noncontrolling Shareholders

Owners of interests in certain of the Marketing Communications Group subsidiaries have the right in certain circumstances to require the Company to acquire the remaining ownership interests held by them. The owners’ ability to exercise any such “put option” right is subject to the satisfaction of certain conditions, including conditions requiring notice in advance of exercise. In addition, these rights cannot be exercised prior to specified staggered exercise dates. The exercise of these rights at their earliest contractual date would result in obligations of the Company to fund the related amounts during the remainder of 2015 to 2023. It is not determinable, at this time, if or when the owners of these put option rights will exercise all or a portion of these rights.

The amount payable by the Company in the event such put option rights are exercised is dependent on various valuation formulas and on future events, such as the average earnings of the relevant subsidiary through that date of exercise, the growth rate of the earnings of the relevant subsidiary during that period, and, in some cases, the currency exchange rate at the date of payment.

Management estimates, assuming that the subsidiaries owned by the Company at March 31, 2015, perform over the relevant future periods at their trailing twelve-month earnings level, that these rights, if all exercised, could require the Company, in future periods, to pay an aggregate amount of approximately $21.6 million to the owners of such rights to acquire such ownership

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interests in the relevant subsidiaries. Of this amount, the Company is entitled, at its option, to fund approximately $0.1 million by the issuance of the Company’s Class A subordinate voting shares. In addition, the Company is obligated under similar put option rights to pay an aggregate amount of approximately $180.7 million only upon termination of such owner’s employment with such applicable subsidiary or death. The Company intends to finance the cash portion of these contingent payment obligations using available cash from operations, borrowings under the Credit Agreement (and refinancings thereof) and, if necessary, through incurrence of additional debt. The ultimate amount payable and the incremental operating income in the future relating to these transactions will vary because it is dependent on the future results of operations of the subject businesses and the timing of when these rights are exercised. Approximately $2.3 million of the estimated $21.6 million that the Company would be required to pay subsidiaries noncontrolling shareholders upon the exercise of outstanding put option rights, relates to rights exercisable within the next twelve months. Upon the settlement of the total amount of such put options, the Company estimates that it would receive incremental operating income before depreciation and amortization of $5.8 million.

The following table summarizes the potential timing of the consideration and incremental operating income before depreciation and amortization based on assumptions as described above.

Consideration (4)	2015		2016		2017		2018		2019 & Thereafter		Total
	($ Millions)
Cash	$	2.3	$	3.5	$	3.9	$	5.0	$	6.8	$	21.5
Shares	—		0.1		—		—		—		0.1
	$	2.3	$	3.6	$	3.9	$	5.0	$	6.8	$	21.6	(1)
Operating income before depreciation and amortization to be received(2)	$	3.1	$	—	$	1.4	$	1.3	$	—	$	5.8
Cumulative operating income before depreciation and amortization(3)	$	3.1	$	3.1	$	4.5	$	5.8	$	5.8			(5)

(1) This amount is in addition to put options only exercisable upon termination not within the control of the Company, or death, of $180.7 million, has been recognized in Redeemable Noncontrolling Interests on the Company’s balance sheet.

(2) This financial measure is presented because it is the basis of the calculation used in the underlying agreements relating to the put rights and is based on actual operating results. This amount represents additional amounts to be attributable to MDC Partners Inc., commencing in the year the put is exercised.

(3) Cumulative operating income before depreciation and amortization represents the cumulative amounts to be received by the Company.

(4) The timing of consideration to be paid varies by contract and does not necessarily correspond to the date of the exercise of the put.

(5) Amounts are not presented as they would not be meaningful due to multiple periods included.

Critical Accounting Policies

The following summary of accounting policies has been prepared to assist in better understanding the Company’s consolidated financial statements and the related management discussion and analysis. Readers are encouraged to consider this information together with the Company’s consolidated financial statements and the related notes to the consolidated financial statements as included herein for a more complete understanding of accounting policies discussed below.

Estimates.  The preparation of the Company’s financial statements in conformity with generally accepted accounting principles in the United States of America, or “GAAP”, requires management to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities including goodwill, intangible assets, redeemable noncontrolling interests, and deferred acquisition consideration, valuation allowances for receivables and deferred income tax assets and stock based compensation as well as the reported amounts of revenue and expenses during the reporting period. The statements are evaluated on an ongoing basis and estimates are based on historical experience, current conditions and various other assumptions believed to be reasonable under the circumstances. Actual results can differ from those estimates, and it is possible that the differences could be material.

Revenue Recognition.   The Company’s revenue recognition policies are as required by the Revenue Recognition topics of the FASB Accounting Standards Codification. The Company earns revenue from agency arrangements in the form of retainer fees or commissions; from short-term project arrangements in the form of fixed fees or per diem fees for services; and

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from incentives or bonuses. A small portion of the Company’s contractual arrangements with clients includes performance incentive provisions, which allow the Company to earn additional revenues as a result of its performance relative to both quantitative and qualitative goals. The Company records revenue net of sales and other taxes, when persuasive evidence of an arrangement exists, services are provided or upon delivery of the products when ownership and risk of loss has transferred to the customer, the selling price is fixed or determinable and collection of the resulting receivable is reasonably assured.

The Company recognizes the incentive portion of revenue under these arrangements when specific quantitative goals are assured, or when the Company’s clients determine performance against qualitative goals has been achieved. In all circumstances, revenue is only recognized when collection is reasonably assured. The Company records revenue net of sales and other taxes due to be collected and remitted to governmental authorities. In the majority of the Company’s businesses, the Company acts as an agent and records revenue equal to the net amount retained, when the fee or commission is earned. In certain arrangements, the Company acts as principal and contracts directly with suppliers for third party media and production costs. In these arrangements, revenue is recorded at the gross amount billed. Additional information about our revenue recognition policy appears in Note 2 to the Notes to the Consolidated Financial Statements included herein.

Business Combinations.   The Company has historically made and expects to continue to make selective acquisitions of marketing communications businesses. In making acquisitions, the price paid is determined by various factors, including service offerings, competitive position, reputation and geographic coverage, as well as prior experience and judgment. Due to the nature of advertising, marketing and corporate communications services companies; the companies acquired frequently have significant identifiable intangible assets, which primarily consist of customer relationships. The Company has determined that certain intangibles (trademarks) have an indefinite life, as there are no legal, regulatory, contractual, or economic factors that limit the useful life.

Valuation of acquired companies are based on a number of factors, including specialized know-how, reputation, competitive position and service offerings. Our acquisition strategy has been to focus on acquiring the expertise of an assembled workforce in order to continue building upon the core capabilities of our various strategic business platforms to better serve our clients. Consistent with our acquisition strategy and past practice of acquiring a majority ownership position, most acquisitions completed after 2010 include an initial payment at the time of closing and provide for future additional contingent purchase price payments. Contingent payments for these transactions, as well as certain acquisitions completed in prior years, are derived using the performance of the acquired entity and are based on pre-determined formulas. Contingent purchase price obligations for acquisitions completed prior to January 1, 2009 are accrued when the contingency is resolved and payment is certain. Contingent purchase price obligations related to acquisitions completed subsequent to December 31, 2008 are recorded as liabilities at the estimated present value. The estimated liability is determined in accordance with various contractual valuation formulas that may be dependent on future events, such as the growth rate of the earnings of the relevant subsidiary during the contractual period, and, in some cases, the currency exchange rate on the date of payment. These estimates are adjusted quarterly based on changes in current information affecting each subsidiaries current operating results and the impact this information will have on future results included in the calculation of the estimated liability. In addition, change in various contractual valuation formulas as well as adjustments to present value impact quarterly adjustments. Changes in estimated value are recorded in results of operations. In addition, certain acquisitions also include put/call obligations for additional equity ownership interests. The estimated value of these interests are recorded as redeemable noncontrolling interests. As of January 1, 2009, the Company expenses acquisition related costs in accordance with the Accounting Standard’s Codification’s new guidance on acquisition accounting.

For each of our acquisitions, we undertake a detailed review to identify other intangible assets and a valuation is performed for all such identified assets. We use several market participant measurements to determine estimated value. This approach includes consideration of similar and recent transactions, as well as utilizing discounted expected cash flow methodologies. Like most service businesses, a substantial portion of the intangible asset value that we acquire is the specialized know-how of the workforce, which is treated as part of goodwill and is not required to be valued separately. The majority of the value of the identifiable intangible assets that we acquire is derived from customer relationships, including the related customer contracts, as well as trade names. In executing our acquisition strategy, one of the primary drivers in identifying and executing a specific transaction is the existence of, or the ability to, expand our existing client relationships. The expected benefits of our acquisitions are typically shared across multiple agencies and regions.

Acquisitions, Goodwill and Other Intangibles.   The Company reviews goodwill and other indefinite live intangible assets for impairment annually at the beginning of the fourth quarter and whenever events or circumstances indicate that the carrying amount may not be recoverable.

The Company has the option of assessing qualitative factors to determine whether it is more likely than not that the carrying value of our reporting units exceeds their respective fair value or proceeding directly to the two-step impairment test.

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If the Company elects to perform a qualitative assessment and concludes it is not more likely than not that the fair value of the reporting unit is less than its carrying value, no further assessment is deemed necessary. Otherwise, goodwill must be tested for impairment using a two-step process. In addition, the two-step process must be applied for any reporting units not included in the qualitative assessment. The first step involves a comparison of the estimated fair value of each of the Company's reporting units to its carrying value, including goodwill. In performing the first step, the Company determines the fair value of a reporting unit using a discounted cash flow ("DCF") analysis. Determining fair value requires the exercise of significant judgment, including judgment about the amount and timing of expected future cash flows and appropriate discount rates.

The expected cash flows used in the DCF analysis are based on the Company's most recent budget and forecasted growth rates. Assumptions used in the DCF analysis, including the discount rate, are assessed annually based on the reporting units' current results and forecast, as well as macroeconomic and industry specific factors.

If the estimated fair value of a reporting unit exceeds its carrying value, then the goodwill of the reporting unit is not impaired. Otherwise, step two must be performed. The second step of the goodwill impairment test compares the implied fair value of the reporting unit's goodwill with its carrying value to measure the amount of impairment, if any.

Redeemable Noncontrolling Interest.   The minority interest shareholders of certain subsidiaries have the right to require the Company to acquire their ownership interest under certain circumstances pursuant to a contractual arrangement and the Company has similar call options under the same contractual terms. The amount of consideration under the put and call rights is not a fixed amount, but rather is dependent upon various valuation formulas and on future events, such as the average earnings of the relevant subsidiary through the date of exercise, the growth rate of the earnings of the relevant subsidiary through the date of exercise, etc.

Allowance for Doubtful Accounts.   Trade receivables are stated less allowance for doubtful accounts. The allowance represents estimated uncollectible receivables usually due to customers’ potential insolvency. The allowance includes amounts for certain customers where risk of default has been specifically identified.

Income Tax Valuation Allowance.   The Company records a valuation allowance against deferred income tax assets when management believes it is more likely than not that some portion or all of the deferred income tax assets will not be realized. Management considers factors such as the reversal of deferred income tax liabilities, projected future taxable income, the character of the income tax asset, tax planning strategies, changes in tax laws and other factors. A change to any of these factors could impact the estimated valuation allowance and income tax expense.

Interest Expense.  Interest expense primarily consists of the cost of borrowing on the revolving Credit Agreement and the 6.75% Notes. The Company uses the effective interest method to amortize the original issue discount and original issue premium on the 6.75% Notes. The Company amortizes deferred financing costs using the effective interest method over the life of the 6.75% Notes and straight line over the life of the revolving Credit Agreement.

Stock-based Compensation.  The fair value method is applied to all awards granted, modified or settled. Under the fair value method, compensation cost is measured at fair value at the date of grant and is expensed over the service period that is the award’s vesting period. When awards are exercised, share capital is credited by the sum of the consideration paid together with the related portion previously credited to additional paid-in capital when compensation costs were charged against income or acquisition consideration. Stock-based awards that are settled in cash or may be settled in cash at the option of employees are recorded as liabilities. The measurement of the liability and compensation cost for these awards is based on the fair value of the award, and is recorded into operating income over the service period, that is the vesting period of the award. Changes in the Company’s payment obligation are revalued each period and recorded as compensation cost over the service period in operating income.

The Company treats amounts paid by shareholders to employees as a stock based compensation charge with a corresponding credit to additional paid-in capital.

From time to time, certain acquisitions and step up acquisitions include an element of compensation related payments. The Company accounts for those payments as stock-based compensation.

New Accounting Pronouncements

In April 2015, the FASB issued Standards Update 2015-03, Intangibles - Goodwill and Other-Internal-Use Software. This update amends Topic 350 and provides explicit guidance about customer’s accounting for fees paid in a cloud computing arrangement and whether it includes a software license. This guidance is effective for the Company beginning January 1, 2016.

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The implementation of the amended accounting guidance is not expected to have a material impact on our consolidated financial position or results of operations.

In April 2015, the FASB issued Standards Update 2015-03, Interest - Imputation of Interest. This update amends Topic 835 and requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability. This guidance is effective for the Company beginning January 1, 2016. The Company is currently assessing the impact on the presentation of our financial position and disclosures.

In May 2014, the FASB issued Standards Update 2014-09, Revenue with Contracts from Customers. This update supersedes Topic 605, Revenue Recognition. 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. To achieve this core principle, an entity must apply a five-step approach. ASU 2014-09 provides for one of two methods of transition: retrospective application to each prior period presented; or, recognition of the cumulative effect of retrospective application of the new standard in the period of initial application. This guidance is effective for the Company beginning January 1, 2017. The Company is currently assessing the impact and choice of transition method.

Risks and Uncertainties

This document contains forward-looking statements. The Company’s representatives may also make forward-looking statements orally from time to time. Statements in this document that are not historical facts, including statements about the Company’s beliefs and expectations, earnings guidance, recent business and economic trends, potential acquisitions, estimates of amounts for deferred acquisition consideration and “put” option rights, constitute forward-looking statements. These statements are based on current plans, estimates and projections, and are subject to change based on a number of factors, including those outlined in this section. Forward-looking statements speak only as of the date they are made, and the Company undertakes no obligation to update publicly any of them in light of new information or future events, if any.

Forward-looking statements involve inherent risks and uncertainties. A number of important factors could cause actual results to differ materially from those contained in any forward-looking statements. Such risk factors include, but are not limited to, the following:

• risks associated with the SEC’s ongoing investigation;

• risks associated with severe effects of international, national and regional economic conditions;

• the Company’s ability to attract new clients and retain existing clients;

• the spending patterns and financial success of the Company’s clients;

• the Company’s ability to retain and attract key employees;

• the Company’s ability to remain in compliance with its debt agreements and the Company’s ability to finance its contingent payment obligations when due and payable, including but not limited to those relating to “put” option rights and deferred acquisition consideration;

• the successful completion and integration of acquisitions which complement and expand the Company’s business capabilities; and

• foreign currency fluctuations.

The Company’s business strategy includes ongoing efforts to engage in material acquisitions of ownership interests in entities in the marketing communications services industry. The Company intends to finance these acquisitions by using available cash from operations, from borrowings under the Credit Agreement and through incurrence of bridge or other debt financing, either of which may increase the Company’s leverage ratios, or by issuing equity, which may have a dilutive impact on existing shareholders proportionate ownership. At any given time, the Company may be engaged in a number of discussions that may result in one or more material acquisitions. These opportunities require confidentiality and may involve negotiations that require quick responses by the Company. Although there is uncertainty that any of these discussions will result in definitive agreements or the completion of any transactions, the announcement of any such transaction may lead to increased volatility in the trading price of the Company’s securities.

Investors should carefully consider these risk factors, and the risk factors outlined in more detail in (i) Part II, Item 1A (Risk Factors) in this Quarterly Report on Form 10-Q and (ii) the Company’s 2014 Annual Report on Form 10-K under the caption “Risk Factors”, and in the Company’s other SEC filings.

40

Item 3.    Quantitative and Qualitative Disclosures about Market Risk

The Company is exposed to market risk related to interest rates and foreign currencies.

Debt Instruments:  At March 31, 2015, the Company’s debt obligations consisted of amounts outstanding under its Credit Agreement and Senior Notes. The Senior Notes bear a fixed 6.75% interest rate. The Credit Agreement bears interest at variable rates based upon the Eurodollar rate, US bank prime rate and US base rate, at the Company’s option. The Company’s ability to obtain the required bank syndication commitments depends in part on conditions in the bank market at the time of syndication. Given that there were $19.6 million borrowings under the Credit Agreement, as of March 31, 2015, a 1.0% increase or decrease in the weighted average interest rate, which was 4.5% at March 31, 2015, would have a $0.2 million interest impact.

Foreign Exchange:  The Company conducts business in several currencies around the world. Our results of operations are subject to risk from the translation to the US dollar of the revenue and expenses of our non-US operations. The effects of currency exchange rate fluctuations on the translation of our results of operations are discussed in the “Management’s Discussion and Analysis of Financial Condition and Result of Operations”. For the most part, our revenues and expenses incurred related to our non-US operations are denominated in their functional currency. This minimizes the impact that fluctuations in exchange rates will have on profit margins. The Company does not enter into foreign currency forward exchange contracts or other derivative financial instruments to hedge the effects of adverse fluctuations in foreign currency exchange rates.

The Company is exposed to foreign currency fluctuations relating to its intercompany balances between the US and Canada. For every one cent change in the foreign exchange rate between the US and Canada, the Company will incur a $2.1 million impact to its financial statements.

Item 4.    Controls and Procedures

Evaluation of Disclosure Controls and Procedures

We maintain disclosure controls and procedures designed to ensure that information required to be included in our SEC reports is recorded, processed, summarized and reported within the applicable time periods specified by the SEC’s rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer (CEO) and Chief Financial Officer (CFO), who is our principal financial officer, as appropriate, to allow timely decisions regarding required disclosures. There are inherent limitations to the effectiveness of any system of disclosure controls and procedures, including the possibility of human error and the circumvention or overriding of the controls and procedures. Accordingly, even effective disclosure controls and procedures can only provide reasonable assurance of achieving their control objectives. However, the Company’s disclosure controls and procedures are designed to provide reasonable assurances of achieving the Company’s control objectives.

We conducted an evaluation, under the supervision and with the participation of our management, including our CEO, our CFO and our management Disclosure Committee, of the effectiveness of our disclosure controls and procedures as of the end of the period covered by this report pursuant to Rule 13a-15(e) and 15(d)-15(e) of the Exchange Act. Based on that evaluation, our CEO and CFO concluded that, as of March 31, 2015, our disclosure controls and procedures are effective to ensure that decisions can be made timely with respect to required disclosures, as well as ensuring that the recording, processing, summarization and reporting of information required to be included in our Quarterly Report on Form 10-Q for the quarter ended March 31, 2015 is appropriate.

Changes in Internal Control Over Financial Reporting

There were no changes in the Company’s internal control over financial reporting identified in connection with the foregoing evaluation that occurred during the first quarter of 2015 that have materially affected, or are reasonably likely to materially affect the Company’s internal control over financial reporting.

The certifications of our Chief Executive Officer and our Chief Financial Officer that are Exhibits 31.1 and 31.2, respectively, should be read in conjunction with the foregoing information for a more complete understanding of the references in those Exhibits to disclosure controls and procedures and internal control over financial reporting.

Implementation of Additional Procedures

41

In connection with the matters described in more detail under Part II, Item 1 (Legal Proceedings), the Company has adopted and implemented a series of remedial steps to improve and strengthen the Company’s disclosure and internal controls and procedures regarding travel, entertainment and related expenses. The remedial steps include:

·         Adoption and implementation of a new Private Aircraft Usage Policy and a new Travel & Entertainment Policy.

·         Hiring two (2) new senior executives, including a Senior Vice President, Internal Controls and Compliance and a Director, Compliance & Risk Management. These new senior executives are responsible for managing internal controls, reviewing monthly expense reports and ensuring full compliance with the Company’s new policies.  Both senior executives report to the Company’s independent Audit Committee.

·         Quarterly review and reporting to the Company’s Audit Committee with respect to compliance by the Company’s executive officers with travel and expense reimbursement policies.

42

PART II. OTHER INFORMATION

Item 1.    Legal Proceedings

The Company’s operating entities are involved in legal proceedings of various types. While any litigation contains an element of uncertainty, the Company has no reason to believe that the outcome of such proceedings or claims will have a material adverse effect on the financial condition or results of operations of the Company.

MDC Partners is committed to the highest standards of corporate governance and transparency in its reporting practices. Since October 5, 2014, the Company has been actively cooperating with the production of documents for review by the Securities and Exchange Commission (the “SEC”) pursuant to a Subpoena.  In connection with this production of documents, the Company formed a Special Committee of independent directors to review certain matters relating to the reimbursement of expenses incurred by the CEO, Miles Nadal.  The Special Committee is being advised by Bruch Hanna LLP, as special independent advisor, and by Simpson Thacher & Bartlett LLP, as legal counsel. The Special Committee, through its counsel, received full cooperation from Company management and Board members, reviewed and analyzed thousands of documents, emails and other accounting information, and interviewed several individuals.

The Special Committee completed an extensive review of perquisites and payments made by the Company on behalf of Mr. Nadal and Nadal Management Limited during the six-year period from 2009 through 2014.  The review included a detailed analysis of the available back-up documentation supporting such payments, as well as consideration of the Management Services Agreement among Mr. Nadal, Nadal Management Limited and the Company and certain of the Company’s historical practices.  These payments included, among other things, travel and commutation expenses, charitable donations, medical expenses, and certain expenses for which the information was incomplete.  

Mr. Nadal cooperated fully with the review.  Following the review, Mr. Nadal agreed to reimburse the Company for perquisites and payments for which the Company sought reimbursement, in the aggregate amount of $8,600,000.  The Company does not expect there will be any impact to its previously issued financial statements as a result of the review.

In addition to this reimbursement, the Special Committee recommended, the Audit Committee has adopted and the Company has adopted and implemented, a series of remedial steps to improve and strengthen the Company’s internal controls and procedures regarding travel, entertainment and related expenses. The remedial steps include:

• Adoption and implementation of a new Private Aircraft Usage Policy and a new Travel & Entertainment Policy.

• Hiring two (2) new senior executives, including a Senior Vice President, Internal Controls and Compliance and a Director, Compliance & Risk Management. These new senior executives are responsible for managing internal controls, reviewing monthly expense reports and ensuring full compliance with the Company’s new policies.  Both senior executives report to the Company’s independent Audit Committee.

• Quarterly review and reporting to the Company’s Audit Committee with respect to compliance by the Company’s executive officers with travel and expense reimbursement policies.

The Subpoena received from the SEC also requested production of documents relating to the Company’s goodwill and certain other accounting practices, as well as information relating to trading in the Company’s securities by third parties.  The Company has been fully cooperating with the SEC and believes that the inquiries are at an early stage. 

Item 1A.    Risk Factors

There are no material changes in the risk factors set forth in Part I, Item 1A of the Company’s Annual Report on Form 10-K for the year ended December 31, 2014, other than the following additional risk factor:

We are the subject of an ongoing SEC investigation, which could divert management’s attention and result in substantial investigation expenses, monetary fines and other possible remedies.

 On October 5, 2014, the Company received a subpoena from the Securities and Exchange Commission (the “SEC”).  In a letter accompanying the subpoena, the SEC stated that it is conducting an investigation of the Company. See "Item 3 - Legal Proceedings" of this Quarterly Report on Form 10-Q for more information about the subpoena and related matters. The SEC's subpoena requests the production of documents and communications that, among other things, relate to: (i) reimbursement of expenses on behalf of the Company’s CEO; (ii) the Company’s goodwill and certain other accounting practices; and (iii) information relating to trading in the Company’s securities by third parties.  The investigation is ongoing and the Company is fully cooperating with the SEC. 

43

 In connection with this production of documents, the Company formed a Special Committee of independent directors to review certain matters relating to the reimbursement of expenses incurred by the CEO.  The Special Committee completed an extensive review of perquisites and payments made by the Company on behalf of the CEO during the period 2009 through 2014. These payments included medical expenses, travel and commutation expenses, charitable donations and other expenses which lacked appropriate substantiation, over a six (6) year period.  Following the review, the CEO agreed to reimburse the Company for the expenses for which the Company sought reimbursement, in an aggregate amount of $8.6 million. 

  While the Company believes that this repayment and additional remedial actions implemented by management are an appropriate response to the findings identified by the Special Committee to date, the ultimate outcome of the SEC’s investigation and amount of resources needed to resolve regulatory actions and requests is unpredictable and may remain unknown for a long period of time. The SEC may choose to expand the scope of its investigation or initiate an enforcement action to bring charges against the Company or one or more members of the Company’s management. In addition, the SEC, if an enforcement action is initiated, may impose substantial monetary sanctions. Our exposure under these matters will also include our indemnification obligations, to the extent we have any, to current and former officers and directors against losses incurred in connection these matters, including reimbursement of legal fees. Although we maintain insurance for claims of this nature, our insurance coverage does not apply in all circumstances and may be denied or insufficient to cover the costs related to the SEC investigation. Moreover, adverse publicity associated with regulatory actions and investigations could decrease client demand for our partner agency’s services. As a result, the SEC investigation and any future lawsuits or investigations involving the Company or our officers or directors could have a material adverse effect on our business, reputation, financial condition, results of operations, liquidity and the trading price of the Company’s Class A shares.

Item 2.    Unregistered Sales of Equity Securities and Use of Proceeds

None

Item 3.    Defaults Upon Senior Securities

None

Item 4.    Mine Safety Disclosures

Not applicable

Item 5.    Other Information

None.

Item 6.    Exhibits

The exhibits required by this item are listed on the Exhibit Table.

44

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

MDC PARTNERS INC.

/s/ David Doft

David Doft

Chief Financial Officer

April 30, 2015

45

EXHIBIT INDEX

Exhibit No.	Description
12	Statement of computation of ratio of earnings to fixed charges.*
31.1	Certification by Chief Executive Officer pursuant to Rules 13a - 14(a) and 15d - 14(a) under the Securities Exchange Act of 1934 and Section 302 of the Sarbanes-Oxley Act of 2002.*
31.2	Certification by Chief Financial Officer pursuant to Rules 13a - 14(a) and 15d - 14(a) under the Securities Exchange Act of 1934 and Section 302 of the Sarbanes-Oxley Act of 2002.*
32.1	Certification by Chief Executive Officer pursuant to 18 USC. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.*
32.2	Certification by Chief Financial Officer pursuant to 18 USC. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.*
99.1	Schedule of ownership by operating subsidiary.*
101	Interactive data file.*

* Filed electronically herewith.

46

EX-12

Exhibit 12

Statement of Computation of Ratio of Earnings to Fixed Charges

	Three Months Ended March 31, 2015
	2015			2014
	(000’s)			(000’s)
Earnings:
Loss from continuing operations attributable to MDC Partners Inc.	$	(25,797	)	$	(8,575	)
Additions:
Income expense benefit	(4,054		)	(346		)
Noncontrolling interest in income of consolidated subsidiaries	2,380			1,362
Fixed charges, as shown below	18,669			16,125
Distributions received from equity-method investees	—			8
	16,995			17,149
Subtractions:
Equity in income of investees	351			63
Earnings as adjusted	$	(9,153	)	$	8,511
Fixed charges:
Interest on indebtedness, expensed or capitalized	13,602			12,177
Amortization of debt discount and expense and premium on indebtedness, expensed or capitalized	1,494			577
Interest within rent expense	3,573			3,371
Total fixed charges	$	18,669		$	16,125
Ratio of earnings to fixed charges	N/A			N/A
Fixed charge deficiency	$	27,822		$	7,614

EX-31.1

Exhibit 31.1

Certification Pursuant to Rules 13a-14(a) and 15d-14(a) as Adopted Pursuant to Section

302 of the Sarbanes-Oxley Act of 2002

I, Miles S. Nadal, certify that:

1. I have reviewed this quarterly report on Form 10-Q for the quarter ended March 31, 2015 of MDC Partners Inc.;

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 registrant’s board of directors (or persons performing the equivalent function):

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.

Date: April 30, 2015		/s/ MILES S. NADAL
	By:	Miles S. Nadal
	Title:	Chairman, Chief Executive Officer and President

EX-31.2

Exhibit 31.2

Certification Pursuant to Rules 13a-14(a) and 15d-14(a) as Adopted Pursuant to Section

302 of the Sarbanes-Oxley Act of 2002

I, David B. Doft, certify that:

1. I have reviewed this quarterly report on Form 10-Q for the quarter ended March 31, 2015 of MDC Partners Inc.;

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 registrant’s board of directors (or persons performing the equivalent function):

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.

Date: April 30, 2015		/s/ DAVID B. DOFT
	By:	David B. Doft
	Title:	Chief Financial Officer

EX-32.1

Exhibit 32.1

Certification Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the

Sarbanes-Oxley Act of 2002

In connection with the quarterly report of MDC Partners Inc. (the “Company”) on Form 10-Q for the quarter ended March 31, 2015, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Miles S. Nadal, Chairman, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to my knowledge, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: April 30, 2015
/s/ MILES S. NADAL
By:	Miles S. Nadal
Title:	Chairman, Chief Executive Officer and President

EX-32.2

Exhibit 32.2

Certification Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the

Sarbanes-Oxley Act of 2002

In connection with the quarterly report of MDC Partners Inc. (the “Company”) on Form 10-Q for the quarter ended March 31, 2015 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David B. Doft, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to my knowledge, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: April 30, 2015
/s/ DAVID B. DOFT
By:	David B. Doft
Title:	Chief Financial Officer

EX-99.1

Exhibit 99.1

MDC PARTNERS INC.

SCHEDULE OF MARKETING COMMUNICATIONS COMPANIES

MDC maintains a majority ownership position in substantially all of its operating partner companies, with management of the partner companies owning the remaining equity.  MDC generally has rights to increase its ownership of such subsidiaries to 100% over a defined period of time.

	Year of Initial
Company	Investment	Locations
Consolidated:
Strategic Marketing Services
6degrees Communications	1993	Canada
72andSunny	2010	Los Angeles, New York, Netherlands, UK
Allison & Partners	2010	San Francisco, Los Angeles, New York and other US Locations, China, France, Singapore, UK
Anomaly	2011	New York, Netherlands, Canada, UK, China
Bruce Mau Design	2004	Canada
Colle + McVoy	1999	Minneapolis
Concentric Partners	2011	New York
Crispin Porter + Bogusky	2001	Miami, Boulder, Los Angeles, UK, Sweden, Denmark, Brazil, China
Doner	2012	Detroit, Atlanta, Cleveland, Los Angeles, UK
Hello Design	2004	Los Angeles
HL Group Partners	2007	New York, Los Angeles, China
Hunter PR	2014	New York
kirshenbaum bond senecal + partners	2004	New York, Canada, China, UK
Albion	2014	UK
Attention	2009	New York
The Media Kitchen	2010	New York
Varick Media Management	2010	New York
Kwittken	2010	New York, UK
Laird + Partners	2011	New York
Mono Advertising	2004	Minneapolis
Northstar Research Partners	1998	Canada, New York, UK
Redscout	2007	New York, San Francisco, UK
Sloane & Company	2010	New York
TargetCom	2000	Chicago
Union	2013	Canada
Veritas	1993	Canada
Vitro	2004	San Diego
Yamamoto	2000	Minneapolis
Performance Marketing Services
Assembly	2014	New York, Detroit, Atlanta, Los Angeles
Integrated Media Solutions	2010	New York
RJ Palmer	2011	New York
TargetCast	2012	New York
Trade X	2011	New York
Boom Marketing	2005	Canada
Bryan Mills Iradesso	1989	Canada
Gale43	2014	Canada, New York
Kenna Communications	2010	Canada
Kingsdale	2014	Canada, New York
LBN Partners	2013	Detroit, Los Angeles
Luntz Global	2014	Washington, D.C.
Relevent	2010	New York
Source Marketing	1998	Connecticut, Pennsylvania
TEAM	2010	Ft. Lauderdale

1

XML

Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Other Assets, Current	$ 5,622		$ 5,591
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent	11,378		16,409
Revenue	15,524	17,715
Operating loss	(1,552)	(161)
Other expense	(72)	(110)
Loss on disposal	(4,670)	0
Net loss from discontinued operations attributable to MDC Partners Inc., net of taxes	$ (6,294)	$ (271)

XML

Segment Information Additional Information (Details)	3 Months Ended
	Mar. 31, 2015 segment
Strategic Marketing Services [Member]
Segment Reporting Information [Line Items]
Number of Reportable Segments	1
Performance Marketing Services and Corporate [Member]
Segment Reporting Information [Line Items]
Number of Segments, Other	2

XML

Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2014
Segment Reporting Information [Line Items]
Revenue	$ 302,222	$ 274,854
Cost of services sold	210,419	181,468
Office and general expenses	74,308	71,336
Depreciation and amortization	12,300	10,482
Operating Profit (Loss)	5,195	11,568
Other Income (Expense):
Other income, net	(18,040)	(6,571)
Interest expense, net	(14,977)	(12,619)
Loss from continuing operations before income taxes, equity in affiliates	(27,822)	(7,622)
Income tax benefit	(4,054)	(346)
Loss from continuing operations before equity in affiliates	(23,768)	(7,276)
Equity in earnings of non-consolidated affiliates	351	63
Loss from continuing operations	(23,417)	(7,213)
Loss from discontinuing operations attributable to MDC Partners Inc., net of taxes	(6,294)	(271)
Net loss	(29,711)	(7,484)
Net income attributable to the noncontrolling interests	(2,380)	(1,362)
Net loss attributable to MDC Partners Inc.	(32,091)	(8,846)	(32,091)	(8,846)
Stock based compensation	4,445	4,368
Supplemental Segment Information:
Capital expenditures	5,656	2,496
Goodwill and intangibles	916,222	946,655
Total Assets	1,640,125	1,570,272			1,648,890
Strategic Marketing Services
Segment Reporting Information [Line Items]
Revenue	240,436	214,804
Cost of services sold	166,026	140,560
Office and general expenses	49,156	45,046
Depreciation and amortization	6,423	5,148
Operating Profit (Loss)	18,831	24,050
Other Income (Expense):
Net income attributable to the noncontrolling interests	(2,293)	(1,390)
Stock based compensation	2,524	2,139
Supplemental Segment Information:
Capital expenditures	5,330	1,702
Goodwill and intangibles	553,066	522,170
Total Assets	918,200	860,571
Performance Marketing Services
Segment Reporting Information [Line Items]
Revenue	61,786	60,050
Cost of services sold	44,393	40,908
Office and general expenses	11,154	16,315
Depreciation and amortization	5,430	4,832
Operating Profit (Loss)	809	(2,005)
Other Income (Expense):
Net income attributable to the noncontrolling interests	(87)	28
Stock based compensation	1,121	1,277
Supplemental Segment Information:
Capital expenditures	258	253
Goodwill and intangibles	363,156	424,485
Total Assets	565,411	573,308
Corporate
Segment Reporting Information [Line Items]
Revenue	0	0
Cost of services sold	0	0
Office and general expenses	13,998	9,975
Depreciation and amortization	447	502
Operating Profit (Loss)	(14,445)	(10,477)
Other Income (Expense):
Net income attributable to the noncontrolling interests	0	0
Stock based compensation	800	952
Supplemental Segment Information:
Capital expenditures	68	541
Goodwill and intangibles	0	0
Total Assets	$ 156,514	$ 136,393

XML

Loss Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Numerator
Numerator for basic loss per common share - loss from continuing operations	$ (23,417)	$ (7,213)
Net income attributable to the noncontrolling interests	(2,380)	(1,362)
Net loss attributable to MDC Partners Inc. common shareholders from continuing operations	(25,797)	(8,575)
Effect of dilutive securities	0	0
Numerator for diluted loss per common share - loss attributable to MDC Partners Inc. common shareholders from continuing operations	$ (25,797)	$ (8,575)
Denominator
Denominator for basic loss per common share - weighted average common shares	49,754,961	49,338,332
Effect of dilutive securities	0	0
Denominator for diluted loss per common share - adjusted weighted shares and assumed conversions	49,754,961	49,338,332
Income (loss) from continuing operations attributable to MDC Partners Inc. common shareholders (usd per share)	$ (0.52)	$ (0.17)
Income (loss) from continuing operations attributable to MDC Partners Inc. common shareholders (usd per share)	$ (0.52)	$ (0.17)

XML

Accruals and Other Liabilities (Tables)

3 Months Ended

Mar. 31, 2015

Accrued and Other Liabilities [Abstract]

Accrued and Other Liabilities Disclosure

Accruals and Other Liabilities

At March 31, 2015 and December 31, 2014, accruals and other liabilities included accrued media of $214,435 and $144,161, respectively; trust liabilities of $6,173 and $6,419, respectively; and included amounts due to noncontrolling interest holders, for their share of profits, which will be distributed within the next twelve months of $5,439 and $6,014, respectively.

Changes in noncontrolling interest amounts included in accrued and other liabilities for the year ended December 31, 2014 and three months ended March 31, 2015 were as follows:

	Noncontrolling Interests
Balance, December 31, 2013	$	5,210
Income attributable to noncontrolling interests	6,890
Distributions made	(6,523		)
Other (1)	437
Balance, December 31, 2014	$	6,014
Income attributable to noncontrolling interests	2,380
Distributions made	(2,839		)
Other (1)	(116		)
Balance, March 31, 2015	$	5,439

(1) Other primarily relates to step-up transactions, discontinued operations, and cumulative translation adjustments.

XML

Subsequent Events (Details) (Perquisite Repayment [Member], USD $)	1 Months Ended
	Apr. 30, 2015
Perquisite Repayment [Member]
Subsequent Event [Line Items]
Perquisite Repayment	$ 8,600

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Fair Value Measurements (Details) (6.75% Notes, USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Mar. 31, 2015	Dec. 31, 2014
Liabilities:
Debt instrument, stated interest rate	6.75%
Fair Value, Inputs, Level 1
Liabilities:
Long term debt, Carrying Amount		$ 741,722	$ 742,017
Long term debt, Fair Value		$ 773,588	$ 751,538

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Accruals and Other Liabilities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Accrued and Other Liabilities [Abstract]
Beginning balance	$ 6,014	$ 5,210
Income attributable to noncontrolling interests	2,380	6,890
Distributions made	(2,839)	(6,523)
Cumulative translation adjustments		437
Other	(116)
Ending balance	$ 5,439	$ 6,014

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Segment Information (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Segment Reporting Information [Line Items]
Revenue	$ 302,222	$ 274,854
Other Segments
Segment Reporting Information [Line Items]
Revenue	20,379	15,108
United States
Segment Reporting Information [Line Items]
Revenue	252,018	228,833
Canada
Segment Reporting Information [Line Items]
Revenue	$ 29,825	$ 30,913

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Significant Accounting Policies

3 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

Significant Accounting Policies

Significant Accounting Policies

The Company’s significant accounting policies are summarized as follows:

Principles of Consolidation. The accompanying condensed consolidated financial statements include the accounts of MDC Partners Inc. and its domestic and international controlled subsidiaries that are not considered variable interest entities, and variable interest entities for which the Company is the primary beneficiary. Intercompany balances and transactions have been eliminated in consolidation.

Use of Estimates. The preparation of financial statements in conformity with US GAAP requires management to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities including goodwill, intangible assets, valuation allowances for receivables and deferred tax assets and the reported amounts of revenue and expenses during the reporting period. The estimates are evaluated on an ongoing basis and are based on historical experience, current conditions and various other assumptions believed to be reasonable under the circumstances. Actual results could differ from these estimates.

Fair Value. The Company applies the fair value measurement guidance of Codification Topic 820, Fair Value Measurements and Disclosure for financial assets and liabilities that are required to be measured at fair value and for nonfinancial assets and liabilities that are not required to be measured at fair value on a recurring basis, including goodwill and other identifiable intangible assets. The measurement of fair value requires the use of techniques based on observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect our market assumptions. The inputs create the following fair value hierarchy:

• Level 1 — Quoted prices for identical instruments in active markets.

• Level 2 — Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations where inputs are observable or where significant value drivers are observable.

• Level 3 — Instruments where significant value drivers are unobservable to third parties.

When available, quoted market prices are used to determine the fair value of our financial instruments and classify such items in Level 1. In some cases, quoted market prices are used for similar instruments in active markets and classify such items in Level 2.

Concentration of Credit Risk. The Company provides marketing communications services to clients who operate in most industry sectors. Credit is granted to qualified clients in the ordinary course of business. Due to the diversified nature of the Company’s client base, the Company does not believe that it is exposed to a concentration of credit risk. No client accounted for more than 10% of the Company’s consolidated accounts receivable at March 31, 2015 and December 31, 2014. No clients accounted for 10% of the Company’s revenue for the three months ended March 31, 2015 and 2014.

Cash and Cash Equivalents. The Company’s cash equivalents are primarily comprised of investments in overnight interest-bearing deposits, commercial paper and money market instruments and other short-term investments with original maturity dates of three months or less at the time of purchase. The Company has a concentration of credit risk in that there are cash deposits in excess of federally insured amounts. Included in cash and cash equivalents at March 31, 2015 and December 31, 2014, was $6,211 and $6,461, respectively, of cash restricted as to withdrawal pursuant to a collateral agreement and a customer's contractual requirement.

Allowance for Doubtful Accounts.  Trade receivables are stated at invoiced amounts less allowances for doubtful accounts. The allowances represent estimated uncollectible receivables associated with potential customer defaults usually due to customers’ potential insolvency. The allowances include amounts for certain customers where a risk of default has been specifically identified. The assessment of the likelihood of customer defaults is based on various factors, including the length of time the receivables are past due, historical experience and existing economic conditions.

Expenditures Billable to Clients.  Expenditures billable to clients consist principally of outside vendors costs incurred on behalf of clients when providing advertising, marketing and corporate communications services to clients that have not been invoiced. Such amounts are invoiced to clients at various times over the course of the production process.

Fixed Assets.  Fixed assets are stated at cost, net of accumulated depreciation. Computers, furniture and fixtures are depreciated on a straight-line basis over periods of 3 to 7 years. Leasehold improvements are depreciated on a straight-line basis over the lesser of the term of the related lease or the estimated useful life of the asset. Repairs and maintenance costs are expensed as incurred.

Equity Method Investments. The equity method is used to account for investments in entities in which the Company has an ownership interest of less than 50% and has significant influence, or joint control by contractual arrangement with all parties having an equity interest, over the operating and financial policies of the affiliate or has an ownership interest greater than 50% however the substantive participating rights of the noncontrolling interest shareholders preclude the Company of exercising unilateral control over the operating and financial policies of the affiliate. The Company’s investments accounted for using the equity method includes a 30% undivided interest in a real estate joint venture and various interests in investment funds. The Company’s management periodically evaluates these investments to determine if there has been a decline in value that is other than temporary. These investments are included in investments in non-consolidated affiliates.

Cost Method Investments. From time to time, the Company makes non-material cost based investments in start-up advertising technology companies and innovative consumer product companies where the Company does not exercise significant influence over the operating and financial policies of the investee. The total net cost basis of these investments, which is included in Other Assets on the balance sheet, as of March 31, 2015 and December 31, 2014 was $10,420 and $10,196, respectively. These investments are periodically evaluated to determine if there have been any other than temporary declines below book value. A variety of factors are considered when determining if a decline in fair value below book value is other than temporary, including, among others, the financial condition and prospects of the investee, as well as the Company’s investment intent.  In addition, the Company's partner agencies may receive minority equity interests from start-up companies in lieu of fees.

Business Combinations. Valuations of acquired companies are based on a number of factors, including specialized know-how, reputation, competitive position and service offerings. The Company’s acquisition strategy has been focused on acquiring the expertise of an assembled workforce in order to continue to build upon the core capabilities of its various strategic business platforms to better serve the Company’s clients. Consistent with the acquisition strategy and past practice of acquiring a majority ownership position, most acquisitions completed after 2010 included an initial payment at the time of closing and provide for future additional contingent purchase price payments. Contingent payments for these transactions, as well as certain acquisitions completed in prior years, are derived using the performance of the acquired entity and are based on predetermined formulas. Contingent purchase price obligations for acquisitions completed prior to January 1, 2009 are accrued when the contingency is resolved and payment is certain. Contingent purchase price obligations related to acquisitions completed subsequent to December 31, 2008 are recorded as liabilities at estimated value and are remeasured at each reporting period and changes in estimated value are recorded in results of operations. For the three months ended March 31, 2015 and 2014, $2,248 and $8,022, respectively, related to changes in estimated value was recorded as operating expenses. In addition, certain acquisitions also include put/call obligations for additional equity ownership interests. The estimated value of these interests is recorded as Redeemable Noncontrolling Interests. As of January 1, 2009, the Company expenses acquisition related costs in accordance with the Accounting Standard’s Codification’s guidance on acquisition accounting. For the three months ended March 31, 2015 and 2014, $874 and $1,071, respectively, of acquisition related costs were charged to operations.

For each of the Company's acquisitions, we undertake a detailed review to identify other intangible assets and a valuation is performed for all such identified assets. We use several market participant measurements to determine estimated value. This approach includes consideration of similar and recent transactions, as well as utilizing discounted expected cash flow methodologies. Like most service businesses, a substantial portion of the intangible asset value that the Company acquires is the specialized know-how of the workforce, which is treated as part of goodwill and is not required to be valued separately. The majority of the value of the identifiable intangible assets acquired is derived from customer relationships, including the related customer contracts, as well as trade names. In executing the Company's acquisition strategy, one of the primary drivers in identifying and executing a specific transaction is the existence of, or the ability to, expand the existing client relationships. The expected benefits of the Company's acquisitions are typically shared across multiple agencies and regions.

Redeemable Noncontrolling Interest. The minority interest shareholders of certain subsidiaries have the right to require the Company to acquire their ownership interest under certain circumstances pursuant to a contractual arrangement and the Company has similar call options under the same contractual terms. The amount of consideration under the put and call rights is not a fixed amount, but rather is dependent upon various valuation formulas and on future events, such as the average earnings of the relevant subsidiary through the date of exercise, the growth rate of the earnings of the relevant subsidiary through the date of exercise, etc. as described in Note 11.

The Company has recorded the value of put options held by noncontrolling interests as mezzanine equity at their current estimated redemption amounts. The Company accrues changes in the redemption amounts over the period from the date of issuance to the earliest redemption date of the put options. The Company accounts for the put options with a charge to income attributable to noncontrolling interests to reflect the excess, if any, of the estimated exercise price over the estimated fair value of the noncontrolling interest shares at the date of the option being exercised. For the three months ended March 31, 2015 and 2014, there were no charges to income attributable to noncontrolling interests. Changes in the estimated redemption amounts of the put options are adjusted at each reporting period with a corresponding adjustment to equity. These adjustments will not impact the calculation of earnings (loss) per share.

The following table presents changes in Redeemable Noncontrolling Interests:

	Three Months Ended March 31, 2015			Year Ended December 31, 2014
Beginning Balance	$	194,951		$	148,534
Redemptions	(1,729		)	(4,820		)
Granted (1)	5,704			13,327
Changes in redemption value	4,290			38,850
Currency Translation Adjustments	(878		)	(940		)
Ending Balance	$	202,338		$	194,951

(1) Grants in 2015 consist entirely of transfers from Noncontrolling Interests related to step-up transactions.

Variable Interest Entity. Effective March 28, 2012, the Company invested in Doner Partners LLC (“Doner”), and has determined that this entity is a variable interest entity (“VIE”) and is consolidated for all periods subsequent to the date of investment. The Company acquired a 30% voting interest and convertible preferred interests that allow the Company to increase ordinary voting ownership to 70% at the Company’s option. Doner is a full service integrated creative agency that is included as part of our portfolio in the Strategic Marketing Services Segment. The Company’s Credit Agreement (see Note 7) is guaranteed and secured by all of Doner’s assets.

The Company has determined that it is the primary beneficiary because the Company receives a disproportionate share of profits and losses as compared to the Company’s ownership percentage. Total assets and total liabilities of Doner included in the Company’s consolidated balance sheet at March 31, 2015 were $154,855 and $125,670, respectively and at December 31, 2014 were $223,305 and $192,340, respectively.

Guarantees.  Guarantees issued or modified by the Company to third parties after January 1, 2003 are generally recognized, at the inception or modification of a guarantee, as a liability for the obligations it has undertaken in issuing the guarantee, including its ongoing obligation to stand ready to perform over the term of the guarantee in the event that the specified triggering events or conditions occur. The initial measurement of that liability is the fair value of the guarantee. The recognition of the liability is required even if it is not probable that payments will be required under the guarantee. The Company’s liability associated with guarantees is not significant. (See Note 11.)

Revenue Recognition. The Company’s revenue recognition policies are as required by the Revenue Recognition topics of the FASB Accounting Standards Codification, and accordingly, revenue is generally recognized as services are provided or upon delivery of the products when ownership and risk of loss has transferred to the customer, the selling price is fixed or determinable and collection of the resulting receivable is reasonably assured. The Company follows the Revenue Arrangements with Multiple Deliverables topic of the FASB Accounting Standards Codification issued. This topic addresses certain aspects of the accounting by a vendor for arrangements under which it will perform multiple revenue-generating activities and how to determine whether an arrangement involving multiple deliverables contains more than one unit of accounting. The Company also follows the Reporting Revenue Gross as a Principal versus Net as an Agent topic that summarizes the EITF’s views on when revenue should be recorded at the gross amount billed because it has earned revenue from the sale of goods or services, or the net amount retained because it has earned a fee or commission. The Company also follows the Income Statement Characterization of Reimbursements Received for Out-of-Pocket Expenses Incurred topic, for reimbursements received for out-of-pocket expenses, which summarizes the EITF’s views that reimbursements received for out-of-pocket expenses incurred should be characterized in the income statement as revenue. Accordingly, the Company has included such reimbursed expenses in revenue.

The Company earns revenue from agency arrangements in the form of retainer fees or commissions; from short-term project arrangements in the form of fixed fees or per diem fees for services; and from incentives or bonuses.

Non-refundable retainer fees are generally recognized on a straight-line basis over the term of the specific customer arrangement. Commission revenue is earned and recognized upon the placement of advertisements in various media when the Company has no further performance obligations. Fixed fees for services are recognized upon completion of the earnings process and acceptance by the client. Per diem fees are recognized upon the performance of the Company’s services. In addition, for a limited number of certain service transactions, which require delivery of a number of service acts, the Company uses the Proportional Performance model, which generally results in revenue being recognized based on the straight-line method.

Fees billed to clients in excess of fees recognized as revenue are classified as Advanced Billings.

A small portion of the Company’s contractual arrangements with customers includes performance incentive provisions, which allows the Company to earn additional revenues as a result of its performance relative to both quantitative and qualitative goals. The Company recognizes the incentive portion of revenue under these arrangements when specific quantitative goals are assured, or when the Company’s clients determine performance against qualitative goals has been achieved. In all circumstances, revenue is only recognized when collection is reasonably assured. The Company records revenue net of sales and other taxes due to be collected and remitted to governmental authorities.

Cost of Services Sold.  Costs of services sold do not include depreciation charges for fixed assets.

Interest Expense. Interest expense primarily consists of the cost of borrowing on the 6.75% Notes and the Credit Agreement. The Company uses the effective interest method to amortize the deferred financing costs and original issue premium on the 6.75% Notes. The Company also uses the straight-line method to amortize the deferred financing costs on the Credit Agreement.

Income Taxes. The Company’s US operating units are generally structured as limited liability companies, which are treated as partnerships for tax purposes.   The Company is only taxed on its share of profits, while noncontrolling holders are responsible for taxes on their share of the profits. The Company currently has a fully reserved valuation allowance for its US net operating losses.   During the three months ended March 31, 2015 and 2014, the effective tax rate was generally lower than the statutory rate due to additional valuation allowances recorded primarily in the US.

Stock-Based Compensation.  Under the fair value method, compensation cost is measured at fair value at the date of grant and is expensed over the service period, that is the award’s vesting period. When awards are exercised, share capital is credited by the sum of the consideration paid together with the related portion previously credited to additional paid-in capital when compensation costs were charged against income or acquisition consideration.

The Company uses its historical volatility derived over the expected term of the award, to determine the volatility factor used in determining the fair value of the award.

Stock-based awards that are settled in cash or may be settled in cash at the option of employees are recorded as liabilities. The measurement of the liability and compensation cost for these awards is based on the fair value of the award, and is recorded into operating income (expense) over the service period, that is the vesting period of the award. Changes in the Company’s payment obligation prior to the settlement date are recorded as compensation cost in operating income in the period of the change. The final payment amount for such awards is established on the date of the exercise of the award by the employee.

Stock-based awards that are settled in cash or equity at the option of the Company are recorded at fair value on the date of grant and recorded as additional paid-in capital. The fair value measurement of the compensation cost for these awards is based on using the Black-Scholes option pricing-model and is recorded in operating income over the service period, that is the vesting period of the award.

It is the Company’s policy for issuing shares upon the exercise of an equity incentive award to verify the amount of shares to be issued, as well as the amount of proceeds to be collected (if any) and delivery of new shares to the exercising party.

The Company has adopted the straight-line attribution method for determining the compensation cost to be recorded during each accounting period. However, awards based on performance conditions are recorded as compensation expense when the performance conditions are expected to be met.

The Company treats benefits paid by shareholders or equity members to employees as a stock based compensation charge with a corresponding credit to additional paid-in-capital.

From time to time, certain acquisitions and step up acquisitions include an element of compensation related payments. The Company accounts for those payments as stock-based compensation.

During the three months ended March 31, 2015, the Company issued no restricted stock units (“RSUs”) to its employees and directors. 

A total of 751,618 Class A shares of restricted stock, granted to employees as equity incentive awards but not yet vested, have been excluded in the Company’s calculation of Class A shares outstanding as of March 31, 2015.

Loss per Common Share.  Basic loss per share is based upon the weighted average number of common shares outstanding during each period, including the “Share capital to be issued” as reflected in the Shareholders’ Equity on the balance sheet. Diluted loss per share is based on the above, plus, if dilutive, common share equivalents, which include outstanding options, warrants, stock appreciation rights, restricted stock units and convertible notes.

Foreign Currency Translation.  The Company’s financial statements were prepared in accordance with the requirements of the Foreign Currency Translation topic of the FASB Accounting Standards Codification. The functional currency of the Company is the Canadian dollar and it has decided to use U.S. Dollars as its reporting currency for consolidated reporting purposes. All of the Company’s subsidiaries use their local currency as their functional currency. Accordingly, the currency impacts of the translation of the balance sheets of the Company’s non-U.S. Dollar based subsidiaries to U.S. Dollar statements are included as cumulative translation adjustments in accumulated other comprehensive income. Translation of intercompany debt, which is not intended to be repaid, is included in cumulative translation adjustments. Cumulative translation adjustments are not included in net earnings unless they are actually realized through a sale or upon complete or substantially complete liquidation of the Company’s net investment in the foreign operation. Translation of current intercompany balances are included in net earnings. The balance sheets of non-U.S. Dollar based subsidiaries are translated at the period end rate. The income statements of non-U.S. Dollar based subsidiaries are translated at average exchange rates for the period.

Gains and losses arising from the Company’s foreign currency transactions are reflected in net earnings. Unrealized gains or losses arising on the translation of certain intercompany foreign currency transactions that are of a long-term nature (that is settlement is not planned or anticipated in the future) are included as cumulative translation adjustments in accumulated other comprehensive income.

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Fair Value Measurements (Details 1) (Fair Value, Inputs, Level 3, USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015		Dec. 31, 2014
Fair Value, Inputs, Level 3
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance of contingent payments	$ 172,227		$ 151,848
Payments	(2,033)		(61,441)
Grants	2,944	[1]	68,642	[1]
Redemption value adjustments	3,723	[2]	20,816	[2]
Transfers (to) from fixed payments	0		(5,146)
Foreign translation adjustment	(3,055)		(2,492)
Ending Balance of contingent payments	$ 173,806		$ 172,227

[1] Grants are the initial estimated deferred acquisition payments of new acquisitions completed within that fiscal period.

[2] Redemption value adjustments are fair value changes from the Company’s initial estimates of deferred acquisition payments, including the accretion of present value and stock based compensation charges relating to acquisition payments that are tied to continued employment.

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Other Income (Expense) (Tables)

3 Months Ended

Mar. 31, 2015

Other Income and Expenses [Abstract]

Schedule of Other Nonoperating Income (Expense)

Other Income (Expense)

	Three Months Ended March 31,
	2015			2014
Other income (expense)	$	490		$	(19	)
Foreign currency loss	(18,530		)	(6,552		)
	$	(18,040	)	$	(6,571	)

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value, Inputs, Level 1

Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis

The following tables present certain information for our financial liabilities that is disclosed at fair value on a recurring basis at March 31, 2015 and December 31, 2014:

	Level 1				Level 1
	March 31, 2015				December 31, 2014
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Liabilities:
6.75% Notes due 2020	$	741,722	$	773,588	$	742,017	$	751,538

Fair Value, Inputs, Level 3

Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis

The following table presents changes in Deferred Acquisition Consideration:

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	March 31,			December 31,
	2015			2014
Beginning Balance of contingent payments	$	172,227		$	151,848
Payments	(2,033		)	(61,441		)
Grants (1)	2,944			68,642
Redemption value adjustments (2)	3,723			20,816
Transfers to (from) fixed payments	—			(5,146		)
Foreign translation adjustment	(3,055		)	(2,492		)
Ending Balance of contingent payments	$	173,806		$	172,227

(1) Grants are the initial estimated deferred acquisition payments of new acquisitions completed within that fiscal

period.

(2) Redemption value adjustments are fair value changes from the Company’s initial estimates of deferred acquisition

payments, including the accretion of present value and stock based compensation charges relating to acquisition

payments that are tied to continued employment.

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Fair Value Measurements (Details Textual) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Fair Value Disclosures [Abstract]
Deferred Acquisition Consideration, Fixed Payments	$ 26,998	$ 33,141
Business Acquisition, Contingent Consideration Potential Cash Payment, Total	$ 200,804	$ 205,368

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Segment Information (Tables)

3 Months Ended

Mar. 31, 2015

Mar. 31, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

	Strategic Marketing Services			Performance Marketing Services			Corporate			Total
Revenue	$	240,436		$	61,786		$	—		$	302,222
Cost of services sold	166,026			44,393			—			210,419
Office and general expenses	49,156			11,154			13,998			74,308
Depreciation and amortization	6,423			5,430			447			12,300
Operating profit (loss)	18,831			809			(14,445		)	5,195
Other Income (Expense):
Other expense, net										(18,040		)
Interest expense, net										(14,977		)
Loss from continuing operations before income taxes and equity in non-consolidated affiliates										(27,822		)
Income tax benefit										(4,054		)
Loss from continuing operations before equity in non-consolidated affiliates										(23,768		)
Equity in earnings of non-consolidated affiliates										351
Loss from continuing operations										(23,417		)
Loss from discontinued operations attributable to MDC Partners Inc., net of taxes										(6,294		)
Net Loss										(29,711		)
Net income attributable to the non-controlling interests	(2,293		)	(87		)	—			(2,380		)
Net loss attributable to MDC Partners Inc.										$	(32,091	)
Stock based compensation	$	2,524		$	1,121		$	800		$	4,445
Supplemental Segment Information:
Capital expenditures	$	5,330		$	258		$	68		$	5,656
Goodwill and intangibles	$	553,066		$	363,156		$	—		$	916,222
Total Assets	$	918,200		$	565,411		$	156,514		$	1,640,125

	Strategic Marketing Services			Performance Marketing Services			Corporate			Total
Revenue	$	214,804		$	60,050		$	—		$	274,854
Cost of services sold	140,560			40,908			—			181,468
Office and general expenses	45,046			16,315			9,975			71,336
Depreciation and amortization	5,148			4,832			502			10,482
Operating profit (loss)	24,050			(2,005		)	(10,477		)	11,568
Other Income (Expense):
Other expense,net										(6,571		)
Interest expense, net										(12,619		)
Loss from continuing operations before income taxes, equity in affiliates										(7,622		)
Income tax benefit										(346		)
Loss from continuing operations before equity in affiliates										(7,276		)
Equity in earnings of non-consolidated affiliates										63
Loss from continuing operations										(7,213		)
Loss from discontinuing operations attributable to MDC Partners Inc., net of taxes										(271		)
Net loss										(7,484		)
Net income attributable to the noncontrolling interests	(1,390		)	28			—			(1,362		)
Net loss attributable to MDC Partners Inc.										$	(8,846	)
Stock based compensation	$	2,139		$	1,277		$	952		$	4,368
Supplemental Segment Information:
Capital expenditures	$	1,702		$	253		$	541		$	2,496
Goodwill and intangibles	$	522,170		$	424,485		$	—		$	946,655
Total Assets	$	860,571		$	573,308		$	136,393		$	1,570,272

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area

A summary of the Company’s revenue by geographic area, based on the location in which the services originated, is set forth in the following table:

	United States		Canada		Other		Total
Revenue
Three Months Ended March 31,
2015	$	252,018	$	29,825	$	20,379	$	302,222
2014	$	228,833	$	30,913	$	15,108	$	274,854

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Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Accounting Policies [Abstract]
Beginning Balance	$ 194,951	$ 148,534
Redemptions	(1,729)	(4,820)
Granted	5,704	13,327
Changes in redemption value	4,290	38,850
Currency Translation Adjustments	(878)	(940)
Ending Balance	$ 202,338	$ 194,951

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Basis of Presentation

3 Months Ended

Mar. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

MDC Partners Inc. (the “Company”) has prepared the unaudited condensed consolidated interim financial statements included herein pursuant to the rules and regulations of the United States Securities and Exchange Commission (the “SEC”). Certain information and footnote disclosures normally included in annual financial statements prepared in accordance with generally accepted accounting principles (“GAAP”) of the United States of America (“US GAAP”) have been condensed or omitted pursuant to these rules.

The accompanying financial statements reflect all adjustments, consisting of normally recurring accruals, which in the opinion of management are necessary for a fair presentation, in all material respects, of the information contained therein. Results of operations for interim periods are not necessarily indicative of annual results.

These statements should be read in conjunction with the consolidated financial statements and related notes included in the Annual Report on Form 10-K for the year ended December 31, 2014.

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Significant Accounting Policies (Details Textual) (USD $)	3 Months Ended		9 Months Ended	12 Months Ended	0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2014	Dec. 31, 2014	Mar. 28, 2012
Significant Accounting Policies [Line Items]
Interest Rate Percentage On Senior Notes	6.75%
Put option noncontrolling interest impairment charge	$ 0
Restricted Cash and Cash Equivalents	6,211,000			6,461,000
Cost Method Investments	10,420,000			10,196,000
Consolidated Accounts Receivable Percentage	10.00%			10.00%
Consolidated Largest Client Revenue		10.00%	10.00%
Business Acquisition, Increase (Decrease) in Contingent Purchase Price Obligation	2,248,000	8,022,000
Business Combination, Acquisition Related Costs	874,000	1,071,000
Assets	1,640,125,000	1,570,272,000		1,648,890,000
Liabilities	1,836,706,000			1,802,519,000
Stock Issued During Period, Shares, Restricted Stock Award, Gross	0
Common Class A
Significant Accounting Policies [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross	751,618
Doner [Member]
Significant Accounting Policies [Line Items]
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage					30.00%
Assets	154,855,000			223,305,000
Liabilities	$ 125,670,000			$ 192,340,000
Aggregate 2012 Acquisitions [Member] | Doner [Member]
Significant Accounting Policies [Line Items]
Ownership Interest Percentage Increase On Exercise Of Option					70.00%
Minimum [Member]
Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Equity Method Investment, Ownership Percentage	50.00%
Maximum [Member]
Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	7 years
Equity Method Investment, Ownership Percentage	50.00%
Real Estate Joint Venture [Member]
Significant Accounting Policies [Line Items]
Percentage Of Undivided Interest	30.00%

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Debt (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Debt [Line Items]
Revolving credit agreement	$ 19,602,000	$ 0
Original issue premium	6,722,000	7,017,000
Debt, Long-term and Short-term, Combined Amount, Total	761,324,000	742,017,000
Obligations under capital leases	1,007,000	1,110,000
Debt and Capital Lease Obligations	762,331,000	743,127,000
Less current portion:	532,000	534,000
Long-term Debt, Excluding Current Maturities, Total	761,799,000	742,593,000
Notes due 2020
Debt [Line Items]
Senior Notes	$ 735,000,000	$ 735,000,000

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenue:
Services	$ 302,222	$ 274,854
Operating Expenses:
Cost of services sold	210,419	181,468
Office and general expenses	74,308	71,336
Depreciation and amortization	12,300	10,482
Costs and Expenses, Total	297,027	263,286
Operating profit	5,195	11,568
Other Income (Expense):
Other, net	(18,040)	(6,571)
Interest expense and finance charges	(15,096)	(12,759)
Interest income	119	140
Nonoperating Income (Expense), Total	(33,017)	(19,190)
Loss from continuing operations before income taxes and equity in non-consolidated affiliates	(27,822)	(7,622)
Income tax benefit	(4,054)	(346)
Loss from continuing operations before equity in non-consolidated affiliates	(23,768)	(7,276)
Equity in earnings of non-consolidated affiliates	351	63
Loss from continuing operations	(23,417)	(7,213)
Loss from continuing operations	(23,417)	(7,213)
Loss from discontinued operations attributable to MDC Partners Inc., net of taxes	(6,294)	(271)
Net loss	(29,711)	(7,484)
Net income attributable to the noncontrolling interests	(2,380)	(1,362)
Net loss attributable to MDC Partners Inc.	(32,091)	(8,846)
Basic and Diluted:
Loss from continuing operations attributable to MDC Partners Inc. common shareholders (usd per share)	$ (0.52)	$ (0.17)
Discontinued operations attributable to MDC Partners Inc. common shareholders (usd per share)	$ (0.13)	$ (0.01)
Net loss attributable to MDC Partners Inc. common shareholders (usd per share)	$ (0.65)	$ (0.18)
Weighted Average Number of Common Shares Outstanding:
Basic (USD per share)	49,754,961	49,338,332
Diluted (USD per share)	49,754,961	49,338,332
Share-based Compensation [Abstract]
Cost of services sold	2,738	2,527
Office and general expenses	1,707	1,841
Total	$ 4,445	$ 4,368

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Other Income (Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Other Income and Expenses [Abstract]
Other income (expense)	$ 490	$ (19)
Foreign currency loss	(18,530)	(6,552)
Other income (expense), net	$ (18,040)	$ (6,571)

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net loss	$ (29,711)	$ (7,484)
Loss from discontinued operations attributable to MDC Partners Inc., net of taxes	(6,294)	(271)
Loss from continuing operations	(23,417)	(7,213)
Non-cash stock-based compensation	4,445	4,368
Adjustments to reconcile net loss from continuing operations to cash used in operating activities:
Depreciation	4,537	3,943
Amortization of intangibles	7,763	6,581
Amortization of deferred finance charges and debt discount	1,494	577
Adjustment to deferred acquisition consideration	2,801	8,388
Deferred income benefit	(3,929)	(579)
Earnings of non-consolidated affiliates	(351)	(63)
Other non-current assets and liabilities	733	(12,188)
Foreign exchange	15,219	5,145
Changes in working capital:
Accounts receivable	(97,760)	(55,245)
Expenditures billable to clients	(5,721)	(6,177)
Prepaid expenses and other current assets	(12,211)	(9,458)
Accounts payable, accruals and other liabilities	(42,651)	(7,552)
Advance billings	30,496	29,424
Cash flows used in continuing operating activities	(118,552)	(40,049)
Discontinued operations	(1,294)	746
Net cash used in operating activities	(119,846)	(39,303)
Cash flows used in investing activities:
Capital expenditures	(5,656)	(2,496)
Acquisitions, net of cash acquired	(1,310)	(39,951)
Proceeds from sale of assets	29	0
Other investments	(2,318)	(2,077)
Profit distributions from non-consolidated affiliates	342	281
Cash flows used in continuing investing activities	(8,913)	(44,243)
Discontinued operations	(153)	(500)
Net cash used in investing activities	(9,066)	(44,743)
Cash flows from (used in) financing activities:
Proceeds of revolving credit agreement	19,602	32,292
Acquisition related payments	(11,142)	(10,715)
Repayment of long-term debt	(126)	(72)
Purchase of shares	(876)	(3,103)
Distributions to noncontrolling interests	(2,839)	(2,276)
Cash overdrafts	32,103	(6,853)
Payment of dividends	(10,636)	(9,724)
Cash flows provided by (used in) continuing financing activities	26,086	(451)
Discontinued operations	(40)	(40)
Net cash provided by (used in) financing activities	26,046	(491)
Effect of exchange rate changes on cash and cash equivalents	711	27
Decrease in cash and cash equivalents	(102,155)	(84,510)
Cash and cash equivalents at beginning of period	119,767	102,007
Cash and cash equivalents at end of period	17,612	17,497
Supplemental disclosures:
Cash income taxes paid	540	83
Cash interest paid	367	334
Non-cash transactions:
Capital leases	42	0
Dividends payable	$ 1,384	$ 967

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Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2014	Sep. 30, 2013
Business Combinations [Abstract]
Net loss attributable to MDC Partners Inc.	$ (32,091)	$ (8,846)	$ (32,091)	$ (8,846)
Transfers from the noncontrolling Interest:
Decrease in MDC Partners Inc. paid in capital for purchase of equity interests in excess of Redeemable Noncontrolling Interests and Noncontrolling Interests			(2,917)	(4,798)
Net transfers from noncontrolling interest			(2,917)	(4,798)
Change from net loss attributable to MDC Partners Inc. and transfers to non controlling interest			$ (35,008)	$ (13,644)

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Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

Redeemable Noncontrolling Interest

The following table presents changes in Redeemable Noncontrolling Interests:

	Three Months Ended March 31, 2015			Year Ended December 31, 2014
Beginning Balance	$	194,951		$	148,534
Redemptions	(1,729		)	(4,820		)
Granted (1)	5,704			13,327
Changes in redemption value	4,290			38,850
Currency Translation Adjustments	(878		)	(940		)
Ending Balance	$	202,338		$	194,951

(1) Grants in 2015 consist entirely of transfers from Noncontrolling Interests related to step-up transactions.

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Acquisitions (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Jan. 01, 2014	Feb. 14, 2014	Aug. 01, 2014	Aug. 18, 2014	Jun. 03, 2014	Jul. 31, 2014
Business Acquisition [Line Items]
Business Acquisition, Increase (Decrease) In Contingent Purchase Price Obligation	$ 2,248	$ 8,022
Redeemable Noncontrolling Interest, Equity, Fair Value	202,338	194,951	194,951	148,534
Noncontrolling Interest, Ownership Percentage by Parent	100.00%
Aggregate 2014 Acquisitions [Member]
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Purchase Price			151,202
Business Acquisition, Cost of Acquired Entity, Cash Paid			67,236
Business Acquisition, Deferred Acquisition Consideration			83,966
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets			61,906
Business Acquisition, Purchase Price Allocation, Goodwill Amount			149,234
Nonredeemable Noncontrolling Interest			50,552
Redeemable Noncontrolling Interest, Equity, Fair Value			13,327
Business Acquisition Purchase Price Allocation Intangibles and Goodwill Expected Tax Deductible Amount			149,232
Aggregate 2014 Acquisitions [Member] | Luntz Global Partners L L C
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired					60.00%
Aggregate 2014 Acquisitions [Member] | Kingsdale Partners LP
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired						65.00%
Aggregate 2014 Acquisitions [Member] | Hunter PR LLC [Member] [Domain]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired							65.00%
Aggregate 2014 Acquisitions [Member] | Albion Brand Communications Limited [Member] [Domain] [Domain]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired								75.00%
Aggregate 2014 Acquisitions [Member] | The House Worldwide Ltd [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired									100.00%
Trapeze Media Limited | Union Advertising Canada LC [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired										100.00%
Union Advertising Canada LC [Member] | Trapeze Media Limited
Business Acquisition [Line Items]
Business Combination, Step Acquisition Gain on sale of ownership percentage			$ 908
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners										18.00%
Minimum [Member] | Aggregate 2014 Acquisitions [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Maximum [Member] | Aggregate 2014 Acquisitions [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years

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Acquisitions (Tables)

3 Months Ended

Mar. 31, 2015

Business Combinations [Abstract]

Schedule of Net Income (Loss) Attributable to Parent and Transfers to and from Noncontrolling Interest

Changes in the Company’s ownership interests in our less than 100% owned subsidiaries during the three months endedMarch 31, were as follows:

Net Income (Loss) Attributable to MDC Partners Inc. and

Transfers (to) from the Noncontrolling Interest

	Three Months Ended March 31,
	2015			2014
Net loss attributable to MDC Partners Inc.	$	(32,091	)	$	(8,846	)
Transfers from the noncontrolling Interest:
Decrease in MDC Partners Inc. paid in capital for purchase of equity interests in excess of Redeemable Noncontrolling Interests and Noncontrolling Interests	(2,917		)	(4,798		)
Net transfers from noncontrolling interest	$	(2,917	)	$	(4,798	)
Change from net loss attributable to MDC Partners Inc. and transfers to non controlling interest	$	(35,008	)	$	(13,644	)

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CONDENSED STATEMENTS OF SHAREHOLDERS' DEFICIT (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock Common Class A	Common Stock Common Class B	Additional Paid-in Capital	Charges in Excess of Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Parent	Noncontrolling Interest
Balance at Dec. 31, 2014	$ (348,580)	$ 265,817	$ 1	$ 0	$ (209,668)	$ (489,633)	$ (7,752)	$ (441,235)	$ 92,655
Balance (in shares) at Dec. 31, 2014		49,680,108	3,754
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss attributable to MDC Partners	(32,091)	0	0	0	0	(32,091)	0	(32,091)	0
Other Comprehensive income (loss)	5,181	0	0	0	0	0	7,712	7,712	(2,531)
Issuance of restricted stock	0	3,880	0	(3,880)	0	0	0	0	0
Issuance of restricted stock (in shares)		194,849	0
Shares acquired and cancelled	(876)	(876)	0	0	0	0	0	(876)	0
Shares acquired and cancelled (in shares)		(28,673)	0
Stock-based compensation	1,776	0	0	1,776	0	0	0	1,776	0
Changes in redemption value of redeemable noncontrolling interests	(4,290)	0	0	(4,290)	0	0	0	(4,290)	0
Changes in noncontrolling interests and redeemable noncontrolling interest from step-up transactions	(9,396)	0	0	(2,917)	0	0	0	(2,917)	(6,479)
Dividends paid and to be paid	(10,643)	0	0	(10,643)	0	0	0	(10,643)	0
Transfer to charges in excess of capital	0	0	0	19,954	(19,954)	0	0	0	0
Balance at Mar. 31, 2015	$ (398,919)	$ 268,821	$ 1	$ 0	$ (229,622)	$ (521,724)	$ (40)	$ (482,564)	$ 83,645
Balance (in shares) at Mar. 31, 2015		49,846,285	3,755

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Comprehensive Loss
Net loss	$ (29,711)	$ (7,484)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	(5,181)	(1,742)
Other comprehensive income	(24,530)	(5,742)
Other Comprehensive Income (Loss), Net of Tax	5,181	1,742
Comprehensive income (loss) attributable to noncontrolling interest	151	(1,110)
Comprehensive loss attributable to MDC Partners Inc.	$ (24,379)	$ (6,852)

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Segment Information

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Segment Information

Segment Information

The Company’s segment reporting is consistent with the current manner of how the Chief Operating Decision Maker (“CODM”) and the Board of Directors view the business. The Company is focused on expanding its capabilities in database marketing and data analytics in order to position the Company for future business development efforts and revenue growth.

In order to position this strategic focus along the lines of how the CODM and management will base their business decisions, the Company reports in one reportable segment and two "other" segments. Decisions regarding allocation of resources are made and will be made based not only on the individual operating results of the subsidiaries but also on the overall performance of the reportable segments. These reportable segments are the aggregation of various reporting segments.

The Company reports in one reportable Strategic Marketing Services segment plus two “other” segments, Performance Marketing Services and corporate. The segments are as follows:

• The Strategic Marketing Services segment consists of integrated marketing consulting services firms that offer a full complement of marketing, activation and consulting services including advertising and media, marketing communications including direct marketing, public relations, corporate communications, market research, corporate identity and branding, interactive marketing, and sales promotion. Each of the entities within the Strategic Marketing Services Group share similar economic characteristics, specifically related to the nature of their respective services, the manner in which the services are provided and the similarity of their respective customers. Due to the similarities in these businesses, they exhibit similar long term financial performance and have been aggregated together.

• The Performance Marketing Services segment includes our firms that provide consumer insights and analytics to satisfy the growing need for targetable, measurable solutions or cost effective means of driving return on marketing investment. These services interface directly with the consumer of a client’s product or service. Such services include the design, development, research and implementation of consumer services, media planning and buying, and direct marketing initiatives. In addition, services include consumer activation, investor relations and general public insights.

The significant accounting policies of these segments are the same as those described in the summary of significant accounting policies included in the notes to the consolidated financial statements. The Company continues to evaluate its Corporate Group and the services provided by the Corporate Group to the operating segments.

Summary financial information concerning the Company’s operating segments is shown in the following tables:

Three Months Ended March 31, 2015

(thousands of United States dollars)

	Strategic Marketing Services			Performance Marketing Services			Corporate			Total
Revenue	$	240,436		$	61,786		$	—		$	302,222
Cost of services sold	166,026			44,393			—			210,419
Office and general expenses	49,156			11,154			13,998			74,308
Depreciation and amortization	6,423			5,430			447			12,300
Operating profit (loss)	18,831			809			(14,445		)	5,195
Other Income (Expense):
Other expense, net										(18,040		)
Interest expense, net										(14,977		)
Loss from continuing operations before income taxes and equity in non-consolidated affiliates										(27,822		)
Income tax benefit										(4,054		)
Loss from continuing operations before equity in non-consolidated affiliates										(23,768		)
Equity in earnings of non-consolidated affiliates										351
Loss from continuing operations										(23,417		)
Loss from discontinued operations attributable to MDC Partners Inc., net of taxes										(6,294		)
Net Loss										(29,711		)
Net income attributable to the non-controlling interests	(2,293		)	(87		)	—			(2,380		)
Net loss attributable to MDC Partners Inc.										$	(32,091	)
Stock based compensation	$	2,524		$	1,121		$	800		$	4,445
Supplemental Segment Information:
Capital expenditures	$	5,330		$	258		$	68		$	5,656
Goodwill and intangibles	$	553,066		$	363,156		$	—		$	916,222
Total Assets	$	918,200		$	565,411		$	156,514		$	1,640,125

Three Months Ended March 31, 2014

(thousands of United States dollars)

	Strategic Marketing Services			Performance Marketing Services			Corporate			Total
Revenue	$	214,804		$	60,050		$	—		$	274,854
Cost of services sold	140,560			40,908			—			181,468
Office and general expenses	45,046			16,315			9,975			71,336
Depreciation and amortization	5,148			4,832			502			10,482
Operating profit (loss)	24,050			(2,005		)	(10,477		)	11,568
Other Income (Expense):
Other expense,net										(6,571		)
Interest expense, net										(12,619		)
Loss from continuing operations before income taxes, equity in affiliates										(7,622		)
Income tax benefit										(346		)
Loss from continuing operations before equity in affiliates										(7,276		)
Equity in earnings of non-consolidated affiliates										63
Loss from continuing operations										(7,213		)
Loss from discontinuing operations attributable to MDC Partners Inc., net of taxes										(271		)
Net loss										(7,484		)
Net income attributable to the noncontrolling interests	(1,390		)	28			—			(1,362		)
Net loss attributable to MDC Partners Inc.										$	(8,846	)
Stock based compensation	$	2,139		$	1,277		$	952		$	4,368
Supplemental Segment Information:
Capital expenditures	$	1,702		$	253		$	541		$	2,496
Goodwill and intangibles	$	522,170		$	424,485		$	—		$	946,655
Total Assets	$	860,571		$	573,308		$	136,393		$	1,570,272

A summary of the Company’s revenue by geographic area, based on the location in which the services originated, is set forth in the following table:

	United States		Canada		Other		Total
Revenue
Three Months Ended March 31,
2015	$	252,018	$	29,825	$	20,379	$	302,222
2014	$	228,833	$	30,913	$	15,108	$	274,854

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Document And Entity Information	3 Months Ended
	Mar. 31, 2015	Apr. 26, 2015
Document Information [Line Items]
Entity Registrant Name	MDC PARTNERS INC
Entity Central Index Key	0000876883
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Trading Symbol	MDCA
Document Type	10-Q
Document Period End Date	Mar. 31, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Amendment Flag	false
Common Class A
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		50,597,903
Common Class B
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		3,755

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Commitments, Contingencies and Guarantees

3 Months Ended

Mar. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Commitments, Contingencies and Guarantees

Commitments, Contingencies and Guarantees

Deferred Acquisition Consideration. In addition to the consideration paid by the Company in respect of certain of its acquisitions at closing, additional consideration may be payable, or may be potentially payable based on the achievement of certain threshold levels of earnings. See Note 2 and Note 4.

Put Options. Owners of interests in certain subsidiaries have the right in certain circumstances to require the Company to acquire the remaining ownership interests held by them. The owners’ ability to exercise any such “put option” right is subject to the satisfaction of certain conditions, including conditions requiring notice in advance of exercise. In addition, these rights cannot be exercised prior to specified staggered exercise dates. The exercise of these rights at their earliest contractual date would result in obligations of the Company to fund the related amounts during the remainder of 2015 to 2023. It is not determinable, at this time, if or when the owners of these rights will exercise all or a portion of these rights.

The amount payable by the Company in the event such rights are exercised is dependent on various valuation formulas and on future events, such as the average earnings of the relevant subsidiary through the date of exercise, the growth rate of the earnings of the relevant subsidiary during that period, and, in some cases, the currency exchange rate at the date of payment.

Management estimates, assuming that the subsidiaries owned by the Company at March 31, 2015, perform over the relevant future periods at their trailing twelve-months earnings levels, that these rights, if all exercised, could require the Company, in future periods, to pay an aggregate amount of approximately $21,632 to the owners of such rights to acquire such ownership interests in the relevant subsidiaries. Of this amount, the Company is entitled, at its option, to fund approximately $87 by the issuance of share capital. In addition, the Company is obligated under similar put option rights to pay an aggregate amount of approximately $180,706 only upon termination of such owner’s employment with the applicable subsidiary or death. Included in redeemable noncontrolling interests at March 31, 2015 is $202,338 of these put options because they are not within the control of the Company. The ultimate amount payable relating to these transactions will vary because it is dependent on the future results of operations of the subject businesses and the timing of when these rights are exercised.

Natural Disasters. Certain of the Company’s operations are located in regions of the United States and Caribbean which typically are subject to hurricanes. During the three months ended March 31, 2015 and 2014, these operations did not incur any costs related to damages resulting from hurricanes.

Guarantees.  Generally, the Company has indemnified the purchasers of certain assets in the event that a third party asserts a claim against the purchaser that relates to a liability retained by the Company. These types of indemnification guarantees typically extend for a number of years. Historically, the Company has not made any significant indemnification payments under such agreements and no amount has been accrued in the accompanying consolidated financial statements with respect to these indemnification guarantees. The Company continues to monitor the conditions that are subject to guarantees and indemnifications to identify whether it is probable that a loss has occurred, and would recognize any such losses under any guarantees or indemnifications in the period when those losses are probable and estimable

Legal Proceedings.  The Company’s operating entities are involved in legal proceedings of various types. While any litigation contains an element of uncertainty, the Company has no reason to believe that the outcome of such proceedings or claims will have a material adverse effect on the financial condition or results of operations of the Company.

Commitments.   At March 31, 2015, the Company had issued $4,803 of undrawn outstanding letters of credit. In addition, the Company has commitments to fund investments in an aggregate amount of $8,588.

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CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current Assets:
Cash and cash equivalents	$ 17,612	$ 119,767
Accounts receivable, less allowance for doubtful accounts of $1,436 and $1,409	453,362	355,295
Expenditures billable to clients	45,854	40,202
Other current assets	48,892	36,978
Total Current Assets	565,720	552,242
Fixed assets, at cost, less accumulated depreciation of $97,271 and $95,083	59,598	60,240
Investment in non-consolidated affiliates	8,888	6,110
Goodwill	838,857	851,373
Other intangibles assets, net	77,365	86,121
Deferred tax asset	23,570	18,758
Other assets	66,127	74,046
Total Assets	1,640,125	1,648,890
Current Liabilities:
Accounts payable	251,892	316,285
Accruals and other liabilities	324,021	271,273
Advance billings	173,104	142,608
Current portion of long-term debt	532	534
Current portion of deferred acquisition consideration	100,131	90,804
Total Current Liabilities	849,680	821,504
Long-term debt, less current portion	761,799	742,593
Long-term portion of deferred acquisition consideration	100,673	114,564
Other liabilities	45,814	45,861
Deferred tax liabilities	78,740	77,997
Total Liabilities	1,836,706	1,802,519
Redeemable Noncontrolling Interests (Note 2)	202,338	194,951
Commitments, contingencies and guarantees (Note 11)
Shareholders’ Deficit:
Charges in excess of capital	(229,622)	(209,668)
Accumulated deficit	(521,724)	(489,633)
Accumulated other comprehensive loss	(40)	(7,752)
MDC Partners Inc. Shareholders' Deficit	(482,564)	(441,235)
Noncontrolling Interests	83,645	92,655
Total Shareholders' Deficit	(398,919)	(348,580)
Total Liabilities, Redeemable Noncontrolling Interests and Shareholders’ Deficit	1,640,125	1,648,890
Common Class A
Shareholders’ Deficit:
Class A Shares, no par value, unlimited authorized, 49,846,285 and 49,680,109 shares issued and outstanding in 2015 and 2014	268,821	265,817
Class B Shares, no par value, unlimited authorized, 3,755 shares issued and outstanding in 2015 and 2014, each convertible into one Class A share	268,821	265,817
Common Class B
Shareholders’ Deficit:
Class A Shares, no par value, unlimited authorized, 49,846,285 and 49,680,109 shares issued and outstanding in 2015 and 2014	1	1
Class B Shares, no par value, unlimited authorized, 3,755 shares issued and outstanding in 2015 and 2014, each convertible into one Class A share	$ 1	$ 1

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Accruals and Other Liabilities

3 Months Ended

Mar. 31, 2015

Accrued and Other Liabilities [Abstract]

Accruals and Other Liabilities

Accruals and Other Liabilities

At March 31, 2015 and December 31, 2014, accruals and other liabilities included accrued media of $214,435 and $144,161, respectively; trust liabilities of $6,173 and $6,419, respectively; and included amounts due to noncontrolling interest holders, for their share of profits, which will be distributed within the next twelve months of $5,439 and $6,014, respectively.

Changes in noncontrolling interest amounts included in accrued and other liabilities for the year ended December 31, 2014 and three months ended March 31, 2015 were as follows:

	Noncontrolling Interests
Balance, December 31, 2013	$	5,210
Income attributable to noncontrolling interests	6,890
Distributions made	(6,523		)
Other (1)	437
Balance, December 31, 2014	$	6,014
Income attributable to noncontrolling interests	2,380
Distributions made	(2,839		)
Other (1)	(116		)
Balance, March 31, 2015	$	5,439

(1) Other primarily relates to step-up transactions, discontinued operations, and cumulative translation adjustments.

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Acquisitions

3 Months Ended

Mar. 31, 2015

Business Combinations [Abstract]

Acquisitions

Acquisitions

Pro forma financial information has not been presented for 2015 since there were no material acquisitions. During 2015, the Company completed a number of step-up transactions to increase its equity ownership percentage in majority owned entities.

2015 Acquisitions

During the first quarter of 2015, the Company entered into various non-material transactions with certain majority owned entities.

2014 Acquisitions

During 2014, the Company entered into several acquisitions and various non-material transactions with certain majority owned entities. Effective January 1, 2014, MDC acquired 60% of the equity interests of Luntz Global Partners LLC (“LG”). Effective February 14, 2014, MDC acquired 65% of the equity interests of Kingsdale Partners LP (“Kingsdale”). LG and Kingsdale are both in the Company’s Performance Marketing Services segment. On June 3, 2014, MDC acquired a 100% equity interest in The House Worldwide Ltd ("THW"). On July 31, 2014, Union Advertising Canada LP acquired 100% of the issued and outstanding stock of Trapeze Media Limited ("Trapeze"). Effective August 1, 2014 MDC acquired 65% of the equity interests of Hunter PR LLC ("Hunter PR"). Effective August 18, 2014, MDC acquired a 75% interest in Albion Brand Communication Limited ("Albion"). In addition, in June 2014 and August 2014, MDC (through a subsidiary) entered into other non-material acquisitions. THW, Trapeze, Hunter PR, and Albion are all included within the Company's Strategic Marketing Services segment.

The aggregate purchase price of these acquisitions has an estimated present value at acquisition date of $151,202 and consisted of total closing cash payments of $67,236, and additional deferred acquisition payments that will be based on the financial results of the underlying businesses from 2014 to 2018 with final payments due in 2019. These additional deferred payments have an estimated present value at acquisition date of $83,966. An allocation of excess purchase price consideration of these acquisitions to the fair value of the net assets acquired resulted in identifiable intangibles of $61,906, consisting primarily of customer lists, a technology asset and covenants not to compete, and goodwill of $149,234, representing the value of the assembled workforce. The identified assets will be amortized over a five to six year period in a manner represented by the pattern in which the economic benefits of the customer contracts/relationships are realized. In addition, the Company has recorded $50,552 as the present value of noncontrolling interest and $13,327 as the present value of redeemable noncontrolling interest. Intangibles and goodwill of $149,232 are tax deductible. In addition, the Company recorded other income of $908 representing a gain on the previously held 18% interest in Trapeze.

The actual adjustments that the Company will ultimately make in finalizing the allocation of purchase price to fair value of the net assets acquired will depend on a number of factors.

Noncontrolling Interests

Changes in the Company’s ownership interests in our less than 100% owned subsidiaries during the three months endedMarch 31, were as follows:

Net Income (Loss) Attributable to MDC Partners Inc. and

Transfers (to) from the Noncontrolling Interest

	Three Months Ended March 31,
	2015			2014
Net loss attributable to MDC Partners Inc.	$	(32,091	)	$	(8,846	)
Transfers from the noncontrolling Interest:
Decrease in MDC Partners Inc. paid in capital for purchase of equity interests in excess of Redeemable Noncontrolling Interests and Noncontrolling Interests	(2,917		)	(4,798		)
Net transfers from noncontrolling interest	$	(2,917	)	$	(4,798	)
Change from net loss attributable to MDC Partners Inc. and transfers to non controlling interest	$	(35,008	)	$	(13,644	)

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Loss Per Common Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

The following table sets forth the computation of basic and diluted loss per common share from continuing operations.

	Three Months Ended   March 31,
	2015			2014
Numerator
Numerator for basic loss per common share - loss from continuing operations	$	(23,417	)	$	(7,213	)
Net income attributable to the non-controlling interests	(2,380		)	(1,362		)
Net loss attributable to MDC Partners Inc. common shareholders from continuing operations	(25,797		)	(8,575		)
Effect of dilutive securities	—			—
Numerator for diluted loss per common share - loss attributable to MDC Partners Inc. common shareholders from continuing operations	$	(25,797	)	$	(8,575	)
Denominator
Denominator for basic loss per common share - weighted average common shares	49,754,961			49,338,332
Effect of dilutive securities	—			—
Denominator for diluted loss per common share - adjusted weighted shares and assumed conversions	49,754,961			49,338,332
Basic loss per common share from continuing operations	$	(0.52	)	$	(0.17	)
Diluted loss per common share from continuing operations	$	(0.52	)	$	(0.17	)

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New Accounting Pronouncements

3 Months Ended

Mar. 31, 2015

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

New Accounting Pronouncements

New Accounting Pronouncements

In April 2015, the FASB issued Standards Update 2015-03, Intangibles - Goodwill and Other-Internal-Use Software. This update amends Topic 350 and provides explicit guidance about customer’s accounting for fees paid in a cloud computing arrangement and whether it includes a software license. This guidance is effective for the Company beginning January 1, 2016. The implementation of the amended accounting guidance is not expected to have a material impact on our consolidated financial position or results of operations.

In April 2015, the FASB issued Standards Update 2015-03, Interest - Imputation of Interest. This update amends Topic 835 and requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability. This guidance is effective for the Company beginning January 1, 2016. The Company is currently assessing the impact on the presentation of our financial position and disclosures.

In May 2014, the FASB issued Standards Update 2014-09, Revenue with Contracts from Customers. This update supersedes Topic 605, Revenue Recognition. 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. To achieve this core principle, an entity must apply a five-step approach. ASU 2014-09 provides for one of two methods of transition: retrospective application to each prior period presented; or, recognition of the cumulative effect of retrospective application of the new standard in the period of initial application. This guidance is effective for the Company beginning January 1, 2017. The Company is currently assessing the impact and choice of transition method.

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Fair Value Measurements

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Effective January 1, 2008, the Company adopted guidance regarding accounting for Fair Value Measurements, for financial assets and liabilities. This guidance defines fair value, establishes a framework for measuring fair value and expands the related disclosure requirements. The statement indicates, among other things, that a fair value measurement assumes a transaction to sell an asset or transfer a liability occurs in the principal market for the asset or liability or, in the absence of a principal market, the most advantageous market for the asset or liability.

In order to increase consistency and comparability in fair value measurements, the guidance establishes a hierarchy for observable and unobservable inputs used to measure fair value into three broad levels, which are described below:

• Level 1:  Quoted prices (unadjusted) in active markets that are accessible at the measurement date for assets or liabilities. The fair value hierarchy gives the highest priority to Level 1 inputs.

• Level 2:  Observable prices that are based on inputs not quoted on active markets, but corroborated by market data.

• Level 3:  Unobservable inputs are used when little or no market data is available. The fair value hierarchy gives the lowest priority to Level 3 inputs.

In determining fair value, the Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible as well as considers counterparty credit risk in its assessment of fair value.

On a nonrecurring basis, the Company uses fair value measures when analyzing asset impairment. Long-lived assets and certain identifiable intangible assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If it is determined such indicators are present and the review indicates that the assets will not be fully recoverable, based on undiscounted estimated cash flows over the remaining amortization periods, their carrying values are reduced to estimated fair value. Measurements based on undiscounted cash flows are considered to be level 3 inputs. During the fourth quarter of each year, the Company evaluates goodwill and indefinite-lived intangibles for impairment at the reporting unit level. For each acquisition, the Company performed a detailed review to identify intangible assets and a valuation is performed for all such identified assets. The Company used several market participant measurements to determine estimated value. This approach includes consideration of similar and recent transactions, as well as utilizing discounted expected cash flow methodologies. The amounts allocated to assets acquired and liabilities assumed in the acquisitions were determined using level 3 inputs. Fair value for property and equipment was based on other observable transactions for similar property and equipment. Accounts receivable represents the best estimate of balances that will ultimately be collected, which is based in part on allowance for doubtful accounts reserve criteria and an evaluation of the specific receivable balances.

The following tables present certain information for our financial liabilities that is disclosed at fair value on a recurring basis at March 31, 2015 and December 31, 2014:

	Level 1				Level 1
	March 31, 2015				December 31, 2014
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Liabilities:
6.75% Notes due 2020	$	741,722	$	773,588	$	742,017	$	751,538

Our long term debt includes fixed rate debt. The fair value of this instrument is based on quoted market prices.

The following table presents changes in Deferred Acquisition Consideration:

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	March 31,			December 31,
	2015			2014
Beginning Balance of contingent payments	$	172,227		$	151,848
Payments	(2,033		)	(61,441		)
Grants (1)	2,944			68,642
Redemption value adjustments (2)	3,723			20,816
Transfers to (from) fixed payments	—			(5,146		)
Foreign translation adjustment	(3,055		)	(2,492		)
Ending Balance of contingent payments	$	173,806		$	172,227

(1) Grants are the initial estimated deferred acquisition payments of new acquisitions completed within that fiscal

period.

(2) Redemption value adjustments are fair value changes from the Company’s initial estimates of deferred acquisition

payments, including the accretion of present value and stock based compensation charges relating to acquisition

payments that are tied to continued employment.

In addition to the above amounts, there are fixed payments of $26,998 and $33,141 for total deferred acquisition consideration of $200,804 and $205,368, which reconciles to the consolidated financial statements at March 31, 2015 and December 31, 2014, respectively.

The Company includes the payments of all deferred acquisition consideration in financing activities in the Company's consolidated statement of cash flows, as the Company believes these payments to be seller related financing activities, which is the predominant source of cash flows.

 Level 3 payments relate to payments made for deferred acquisition consideration. Level 3 grants relate to contingent purchase price obligations related to acquisitions. The Company records the initial liability of the estimated present value. The estimated liability is determined in accordance with various contractual valuation formulas that may be dependent on future events, such as the growth rate of the earnings of the relevant subsidiary during the contractual period, and, in some cases, the currency exchange rate of the date of payment. Level 3 redemption value adjustments relate to the remeasurement and change in these various contractual valuation formulas as well as adjustments of present value.

At March 31, 2015 and December 31, 2014, the carrying amount of the Company’s financial instruments, including cash and cash equivalents, accounts receivable and accounts payable, approximated fair value because of their short-term maturity.

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Discontinued Operations

3 Months Ended

Mar. 31, 2015

Discontinued Operations and Disposal Groups [Abstract]

Discontinued Operations

Discontinued Operations

In the fourth quarter of 2014, the Company classified Accent Marketing Services, LLC, which was previously reported in the Performance Marketing Services segment, as discontinued operations.

Included in discontinued operations in the Company’s consolidated statements of operations for the three months ended March 31, 2015 and 2014 was the following:

	Three Months Ended   March 31,
	2015			2014
Revenue	$	15,524		$	17,715
Operating loss	$	(1,552	)	$	(161	)
Other expense	$	(72	)	$	(110	)
Loss on disposal	(4,670		)	—
Net loss from discontinued operations attributable to MDC Partners Inc., net of taxes	$	(6,294	)	$	(271	)

At March 31, 2015, other current assets and other long term assets included assets held for sale of $5,622 and $11,378, respectively. At December 31, 2014, other current assets and other long term assets included assets held for sale of $5,591 and $16,409, respectively.

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Debt

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Debt

Debt

The Company's indebtedness was comprised of:

	March 31, 2015		December 31, 2014
Revolving credit agreement	$	19,602	$	—
6.75% Senior Notes due 2020	735,000		735,000
Original issue premium	6,722		7,017
	761,324		742,017
Obligations under capital leases	1,007		1,110
	762,331		743,127
Less current portion:	532		534
	$	761,799	$	742,593

MDC Financing Agreement and Senior Notes

Issuance of 6.75% Senior Notes

On March 20, 2013, MDC Partners Inc. (“MDC”) entered into an indenture (the “Indenture”) among MDC, its existing and future restricted subsidiaries that guarantee, or are co-borrowers under or grant liens to secure, MDC’s senior secured revolving credit agreement (the “Credit Agreement”), as guarantors (the “Guarantors”) and The Bank of New York Mellon, as trustee, relating to the issuance by MDC of its $550,000 aggregate principal amount 6.75% Senior Notes due 2020 (the “6.75% Notes”). The 6.75% Notes bear interest at a rate of 6.75% per annum, accruing from March 20, 2013. Interest is payable semiannually in arrears in cash on April 1 and October 1 of each year, beginning on October 1, 2013. The 6.75% Notes will mature on April 1, 2020, unless earlier redeemed or repurchased. The Company received net proceeds from the offering of the 6.75% Notes equal to approximately $537,600. The Company used the net proceeds to redeem all of the existing 11% Notes, together with accrued interest, related premiums, fees and expenses and recorded a charge for loss on redemption of notes of $55,588, including write offs of unamortized original issue premium and debt issuance costs. Remaining proceeds were used for general corporate purposes.

On November 15, 2013, the Company issued an additional $110,000 aggregate principal amount of its 6.75% Notes. The additional notes were issued under the Indenture governing the 6.75% Notes and treated as a single series with the original 6.75% Notes. The additional notes were sold in a private placement in reliance on exceptions from registration under the Securities Act of 1933, as amended. The Company received net proceeds before expenses of $111,925, which included an original issue premium of $4,125, and underwriter fees of $2,200. The Company used the net proceeds of the offering for general corporate purposes.

 On April 2, 2014, the Company issued an additional $75,000 aggregate principal amount of 6.75% Notes. The additional notes were issued under the Indenture governing the 6.75% Notes and treated as a single series with the original 6.75% Notes. The additional notes were sold in private placement in reliance on exceptions from registration under the Securities Act of 1933, as amended. The Company received net proceeds before expenses of $77,452, which included an original issue premium of $3,938, and underwriter fees of $1,500. The Company used the net proceeds of the offering for general corporate purposes, including the funding of deferred acquisition consideration, working capital, acquisitions and the repayment of the amount outstanding under our senior secured revolving credit facility.

The 6.75% Notes are guaranteed on a senior unsecured basis by all of MDC’s existing and future restricted subsidiaries that guarantee, or are co-borrowers under or grant liens to secure the Credit Agreement. The 6.75% Notes are unsecured and unsubordinated obligations of MDC and rank (i) equally in right of payment with all of MDC’s or any Guarantor’s existing and future senior indebtedness, (ii) senior in right of payment to MDC’s or any Guarantor’s existing and future subordinated indebtedness, (iii) effectively subordinated to all of MDC’s or any Guarantor’s existing and future secured indebtedness to the extent of the collateral securing such indebtedness, including the Credit Agreement, and (iv) structurally subordinated to all existing and future liabilities of MDC’s subsidiaries that are not Guarantors.

MDC may, at its option, redeem the 6.75% Notes in whole at any time or in part from time to time, on and after April 1, 2016 at a redemption price of 103.375% of the principal amount thereof if redeemed during the twelve-month period beginning on April 1, 2016, at a redemption price of 101.688% of the principal amount thereof if redeemed during the twelve-month period beginning on April 1, 2017 and at a redemption price of 100% of the principal amount thereof if redeemed on April 1, 2018 and thereafter.

Prior to April 1, 2016, MDC may, at its option, redeem some or all of the 6.75% Notes at a price equal to 100% of the principal amount of the 6.75% Notes plus a “make whole” premium and accrued and unpaid interest. MDC may also redeem, at its option, prior to April 1, 2016, up to 35% of the 6.75% Notes with the proceeds from one or more equity offerings at a redemption price of 106.750% of the principal amount thereof.

If MDC experiences certain kinds of changes of control (as defined in the Indenture), holders of the 6.75% Notes may require MDC to repurchase any 6.75% Notes held by them at a price equal to 101% of the principal amount of the 6.75% Notes plus accrued and unpaid interest. In addition, if MDC sells assets under certain circumstances, it must offer to repurchase the 6.75% Notes at a price equal to 100% of the principal amount of the 6.75% Notes plus accrued and unpaid interest.

The Indenture includes covenants that, among other things, restrict MDC’s ability and the ability of its restricted subsidiaries (as defined in the Indenture) to incur or guarantee additional indebtedness; pay dividends on or redeem or repurchase the capital stock of MDC; make certain types of investments; create restrictions on the payment of dividends or other amounts from MDC’s restricted subsidiaries; sell assets; enter into transactions with affiliates; create liens; enter into sale and leaseback transactions; and consolidate or merge with or into, or sell substantially all of MDC’s assets to, another person. These covenants are subject to a number of important limitations and exceptions. The 6.75% Notes are also subject to customary events of default, including cross-payment default and cross-acceleration provision.

Credit Agreement

On March 20, 2013, MDC, Maxxcom Inc. (a subsidiary of MDC) and each of their subsidiaries party thereto entered into an amended and restated, $225 million senior secured revolving credit agreement due 2018 (the “Credit Agreement”) with Wells Fargo Capital Finance, LLC, as agent, and the lenders from time to time party thereto. Advances under the Credit Agreement will be used for working capital and general corporate purposes, in each case pursuant to the terms of the Credit Agreement. Capitalized terms used in this section and not otherwise defined have the meanings set forth in the Credit Agreement.

Effective October 23, 2014, MDC and its subsidiaries entered into an amendment of its Credit Agreement. The amendment: (i) expands the commitments under the facility by $100 million, from $225 million to $325 million; (ii) extends the date by an additional eighteen months to September 30, 2019; (iii) reduces the base borrowing interest rate by 25 basis points (the applicable margin for borrowing is 1.00% in the case of Base Rate Loans and 1.75% in the case of LIBOR Rate Loans) ; and (iv) modifies certain covenants to provide the Company with increased flexibility to fund its continued growth and other general corporate purposes.

Advances under the Credit Agreement bear interest as follows: (a)(i) LIBOR Rate Loans bore interest at the LIBOR Rate and (ii) Base Rate Loans bear interest at the Base Rate, plus (b) an applicable margin. The initial applicable margin for borrowing is 1.00% in the case of Base Rate Loans and 1.75% in the case of LIBOR Rate Loans. In addition to paying interest on outstanding principal under the Credit Agreement, MDC is required to pay an unused revolver fee to lenders under the Credit Agreement in respect of unused commitments thereunder.

The Credit Agreement is guaranteed by substantially all of MDC’s present and future subsidiaries, other than immaterial subsidiaries and subject to customary exceptions. The Credit Agreement includes covenants that, among other things, restrict MDC’s ability and the ability of its subsidiaries to incur or guarantee additional indebtedness; pay dividends on or redeem or repurchase the capital stock of MDC; make certain types of investments; impose limitations on dividends or other amounts from MDC’s subsidiaries; incur certain liens, sell or otherwise dispose of certain assets; enter into transactions with affiliates; enter into sale and leaseback transactions; and consolidate or merge with or into, or sell substantially all of MDC’s assets to, another person. These covenants are subject to a number of important limitations and exceptions. The Credit Agreement also contains financial covenants, including a total leverage ratio, a senior leverage ratio, a fixed charge coverage ratio and a minimum earnings level. The Credit Agreement is also subject to customary events of default.

The Company is currently in compliance with all of the terms and conditions of its Credit Agreement, and management believes, based on its current financial projections, that the Company will be in compliance with the covenants over the next twelve months. At March 31, 2015, there were $19,602 borrowings under the Credit Agreement.

At March 31, 2015, the Company had issued $4,803 of undrawn outstanding Letters of Credit.

At March 31, 2015 and December 31, 2014, accounts payable included $40,044 and $72,147 of outstanding checks, respectively.

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Other Income (Expense)

3 Months Ended

Mar. 31, 2015

Other Income and Expenses [Abstract]

Other Income (Expense)

Other Income (Expense)

	Three Months Ended March 31,
	2015			2014
Other income (expense)	$	490		$	(19	)
Foreign currency loss	(18,530		)	(6,552		)
	$	(18,040	)	$	(6,571	)

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Loss Per Common Share (Details Textual)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	944,835	1,113,210
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	832,335	1,000,710

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Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

Earnings Per Share, Policy [Policy Text Block]

Loss per Common Share.  Basic loss per share is based upon the weighted average number of common shares outstanding during each period, including the “Share capital to be issued” as reflected in the Shareholders’ Equity on the balance sheet. Diluted loss per share is based on the above, plus, if dilutive, common share equivalents, which include outstanding options, warrants, stock appreciation rights, restricted stock units and convertible notes.

Foreign Currency Transactions and Translations Policy [Policy Text Block]

Foreign Currency Translation.  The Company’s financial statements were prepared in accordance with the requirements of the Foreign Currency Translation topic of the FASB Accounting Standards Codification. The functional currency of the Company is the Canadian dollar and it has decided to use U.S. Dollars as its reporting currency for consolidated reporting purposes. All of the Company’s subsidiaries use their local currency as their functional currency. Accordingly, the currency impacts of the translation of the balance sheets of the Company’s non-U.S. Dollar based subsidiaries to U.S. Dollar statements are included as cumulative translation adjustments in accumulated other comprehensive income. Translation of intercompany debt, which is not intended to be repaid, is included in cumulative translation adjustments. Cumulative translation adjustments are not included in net earnings unless they are actually realized through a sale or upon complete or substantially complete liquidation of the Company’s net investment in the foreign operation. Translation of current intercompany balances are included in net earnings. The balance sheets of non-U.S. Dollar based subsidiaries are translated at the period end rate. The income statements of non-U.S. Dollar based subsidiaries are translated at average exchange rates for the period.

Guarantees, Indemnifications and Warranties Policies [Policy Text Block]

Guarantees.  Guarantees issued or modified by the Company to third parties after January 1, 2003 are generally recognized, at the inception or modification of a guarantee, as a liability for the obligations it has undertaken in issuing the guarantee, including its ongoing obligation to stand ready to perform over the term of the guarantee in the event that the specified triggering events or conditions occur. The initial measurement of that liability is the fair value of the guarantee. The recognition of the liability is required even if it is not probable that payments will be required under the guarantee. The Company’s liability associated with guarantees is not significant. (See Note 11.)

Premiums Receivable, Allowance for Doubtful Accounts, Estimation Methodology, Policy [Policy Text Block]

Allowance for Doubtful Accounts.  Trade receivables are stated at invoiced amounts less allowances for doubtful accounts. The allowances represent estimated uncollectible receivables associated with potential customer defaults usually due to customers’ potential insolvency. The allowances include amounts for certain customers where a risk of default has been specifically identified. The assessment of the likelihood of customer defaults is based on various factors, including the length of time the receivables are past due, historical experience and existing economic conditions.

Expenditures Billable To Clients, Policy [Policy Text Block]

Expenditures Billable to Clients.  Expenditures billable to clients consist principally of outside vendors costs incurred on behalf of clients when providing advertising, marketing and corporate communications services to clients that have not been invoiced. Such amounts are invoiced to clients at various times over the course of the production process.

Property, Plant and Equipment, Policy [Policy Text Block]

Fixed Assets.  Fixed assets are stated at cost, net of accumulated depreciation. Computers, furniture and fixtures are depreciated on a straight-line basis over periods of 3 to 7 years. Leasehold improvements are depreciated on a straight-line basis over the lesser of the term of the related lease or the estimated useful life of the asset. Repairs and maintenance costs are expensed as incurred.

Equity Method Investments, Policy [Policy Text Block]

Equity Method Investments. The equity method is used to account for investments in entities in which the Company has an ownership interest of less than 50% and has significant influence, or joint control by contractual arrangement with all parties having an equity interest, over the operating and financial policies of the affiliate or has an ownership interest greater than 50% however the substantive participating rights of the noncontrolling interest shareholders preclude the Company of exercising unilateral control over the operating and financial policies of the affiliate. The Company’s investments accounted for using the equity method includes a 30% undivided interest in a real estate joint venture and various interests in investment funds. The Company’s management periodically evaluates these investments to determine if there has been a decline in value that is other than temporary. These investments are included in investments in non-consolidated affiliates.

Principles of Consolidation

Principles of Consolidation. The accompanying condensed consolidated financial statements include the accounts of MDC Partners Inc. and its domestic and international controlled subsidiaries that are not considered variable interest entities, and variable interest entities for which the Company is the primary beneficiary. Intercompany balances and transactions have been eliminated in consolidation.

Use of Estimates, Policy

Use of Estimates. The preparation of financial statements in conformity with US GAAP requires management to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities including goodwill, intangible assets, valuation allowances for receivables and deferred tax assets and the reported amounts of revenue and expenses during the reporting period. The estimates are evaluated on an ongoing basis and are based on historical experience, current conditions and various other assumptions believed to be reasonable under the circumstances. Actual results could differ from these estimates.

Fair Value

Fair Value. The Company applies the fair value measurement guidance of Codification Topic 820, Fair Value Measurements and Disclosure for financial assets and liabilities that are required to be measured at fair value and for nonfinancial assets and liabilities that are not required to be measured at fair value on a recurring basis, including goodwill and other identifiable intangible assets. The measurement of fair value requires the use of techniques based on observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect our market assumptions. The inputs create the following fair value hierarchy:

• Level 1 — Quoted prices for identical instruments in active markets.

• Level 2 — Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations where inputs are observable or where significant value drivers are observable.

• Level 3 — Instruments where significant value drivers are unobservable to third parties.

When available, quoted market prices are used to determine the fair value of our financial instruments and classify such items in Level 1. In some cases, quoted market prices are used for similar instruments in active markets and classify such items in Level 2.

Concentration of Credit Risk

Concentration of Credit Risk. The Company provides marketing communications services to clients who operate in most industry sectors. Credit is granted to qualified clients in the ordinary course of business. Due to the diversified nature of the Company’s client base, the Company does not believe that it is exposed to a concentration of credit risk. No client accounted for more than 10% of the Company’s consolidated accounts receivable at March 31, 2015 and December 31, 2014. No clients accounted for 10% of the Company’s revenue for the three months ended March 31, 2015 and 2014.

Cash and Cash Equivalents

Cash and Cash Equivalents. The Company’s cash equivalents are primarily comprised of investments in overnight interest-bearing deposits, commercial paper and money market instruments and other short-term investments with original maturity dates of three months or less at the time of purchase. The Company has a concentration of credit risk in that there are cash deposits in excess of federally insured amounts. Included in cash and cash equivalents at March 31, 2015 and December 31, 2014, was $6,211 and $6,461, respectively, of cash restricted as to withdrawal pursuant to a collateral agreement and a customer's contractual requirement.

Cost Method Investments, Policy

Cost Method Investments. From time to time, the Company makes non-material cost based investments in start-up advertising technology companies and innovative consumer product companies where the Company does not exercise significant influence over the operating and financial policies of the investee. The total net cost basis of these investments, which is included in Other Assets on the balance sheet, as of March 31, 2015 and December 31, 2014 was $10,420 and $10,196, respectively. These investments are periodically evaluated to determine if there have been any other than temporary declines below book value. A variety of factors are considered when determining if a decline in fair value below book value is other than temporary, including, among others, the financial condition and prospects of the investee, as well as the Company’s investment intent.  In addition, the Company's partner agencies may receive minority equity interests from start-up companies in lieu of fees.

Business Combinations

Business Combinations. Valuations of acquired companies are based on a number of factors, including specialized know-how, reputation, competitive position and service offerings. The Company’s acquisition strategy has been focused on acquiring the expertise of an assembled workforce in order to continue to build upon the core capabilities of its various strategic business platforms to better serve the Company’s clients. Consistent with the acquisition strategy and past practice of acquiring a majority ownership position, most acquisitions completed after 2010 included an initial payment at the time of closing and provide for future additional contingent purchase price payments. Contingent payments for these transactions, as well as certain acquisitions completed in prior years, are derived using the performance of the acquired entity and are based on predetermined formulas. Contingent purchase price obligations for acquisitions completed prior to January 1, 2009 are accrued when the contingency is resolved and payment is certain. Contingent purchase price obligations related to acquisitions completed subsequent to December 31, 2008 are recorded as liabilities at estimated value and are remeasured at each reporting period and changes in estimated value are recorded in results of operations. For the three months ended March 31, 2015 and 2014, $2,248 and $8,022, respectively, related to changes in estimated value was recorded as operating expenses. In addition, certain acquisitions also include put/call obligations for additional equity ownership interests. The estimated value of these interests is recorded as Redeemable Noncontrolling Interests. As of January 1, 2009, the Company expenses acquisition related costs in accordance with the Accounting Standard’s Codification’s guidance on acquisition accounting. For the three months ended March 31, 2015 and 2014, $874 and $1,071, respectively, of acquisition related costs were charged to operations.

For each of the Company's acquisitions, we undertake a detailed review to identify other intangible assets and a valuation is performed for all such identified assets. We use several market participant measurements to determine estimated value. This approach includes consideration of similar and recent transactions, as well as utilizing discounted expected cash flow methodologies. Like most service businesses, a substantial portion of the intangible asset value that the Company acquires is the specialized know-how of the workforce, which is treated as part of goodwill and is not required to be valued separately. The majority of the value of the identifiable intangible assets acquired is derived from customer relationships, including the related customer contracts, as well as trade names. In executing the Company's acquisition strategy, one of the primary drivers in identifying and executing a specific transaction is the existence of, or the ability to, expand the existing client relationships. The expected benefits of the Company's acquisitions are typically shared across multiple agencies and regions.

Redeemable Noncontrolling Interest

Redeemable Noncontrolling Interest. The minority interest shareholders of certain subsidiaries have the right to require the Company to acquire their ownership interest under certain circumstances pursuant to a contractual arrangement and the Company has similar call options under the same contractual terms. The amount of consideration under the put and call rights is not a fixed amount, but rather is dependent upon various valuation formulas and on future events, such as the average earnings of the relevant subsidiary through the date of exercise, the growth rate of the earnings of the relevant subsidiary through the date of exercise, etc. as described in Note 11.

The Company has recorded the value of put options held by noncontrolling interests as mezzanine equity at their current estimated redemption amounts. The Company accrues changes in the redemption amounts over the period from the date of issuance to the earliest redemption date of the put options. The Company accounts for the put options with a charge to income attributable to noncontrolling interests to reflect the excess, if any, of the estimated exercise price over the estimated fair value of the noncontrolling interest shares at the date of the option being exercised. For the three months ended March 31, 2015 and 2014, there were no charges to income attributable to noncontrolling interests. Changes in the estimated redemption amounts of the put options are adjusted at each reporting period with a corresponding adjustment to equity. These adjustments will not impact the calculation of earnings (loss) per share.

Variable Interest Entity

Variable Interest Entity. Effective March 28, 2012, the Company invested in Doner Partners LLC (“Doner”), and has determined that this entity is a variable interest entity (“VIE”) and is consolidated for all periods subsequent to the date of investment. The Company acquired a 30% voting interest and convertible preferred interests that allow the Company to increase ordinary voting ownership to 70% at the Company’s option. Doner is a full service integrated creative agency that is included as part of our portfolio in the Strategic Marketing Services Segment. The Company’s Credit Agreement (see Note 7) is guaranteed and secured by all of Doner’s assets.

The Company has determined that it is the primary beneficiary because the Company receives a disproportionate share of profits and losses as compared to the Company’s ownership percentage. Total assets and total liabilities of Doner included in the Company’s consolidated balance sheet at March 31, 2015 were $154,855 and $125,670, respectively and at December 31, 2014 were $223,305 and $192,340, respectively.

Revenue Recognition

Revenue Recognition. The Company’s revenue recognition policies are as required by the Revenue Recognition topics of the FASB Accounting Standards Codification, and accordingly, revenue is generally recognized as services are provided or upon delivery of the products when ownership and risk of loss has transferred to the customer, the selling price is fixed or determinable and collection of the resulting receivable is reasonably assured. The Company follows the Revenue Arrangements with Multiple Deliverables topic of the FASB Accounting Standards Codification issued. This topic addresses certain aspects of the accounting by a vendor for arrangements under which it will perform multiple revenue-generating activities and how to determine whether an arrangement involving multiple deliverables contains more than one unit of accounting. The Company also follows the Reporting Revenue Gross as a Principal versus Net as an Agent topic that summarizes the EITF’s views on when revenue should be recorded at the gross amount billed because it has earned revenue from the sale of goods or services, or the net amount retained because it has earned a fee or commission. The Company also follows the Income Statement Characterization of Reimbursements Received for Out-of-Pocket Expenses Incurred topic, for reimbursements received for out-of-pocket expenses, which summarizes the EITF’s views that reimbursements received for out-of-pocket expenses incurred should be characterized in the income statement as revenue. Accordingly, the Company has included such reimbursed expenses in revenue.

The Company earns revenue from agency arrangements in the form of retainer fees or commissions; from short-term project arrangements in the form of fixed fees or per diem fees for services; and from incentives or bonuses.

Non-refundable retainer fees are generally recognized on a straight-line basis over the term of the specific customer arrangement. Commission revenue is earned and recognized upon the placement of advertisements in various media when the Company has no further performance obligations. Fixed fees for services are recognized upon completion of the earnings process and acceptance by the client. Per diem fees are recognized upon the performance of the Company’s services. In addition, for a limited number of certain service transactions, which require delivery of a number of service acts, the Company uses the Proportional Performance model, which generally results in revenue being recognized based on the straight-line method.

Fees billed to clients in excess of fees recognized as revenue are classified as Advanced Billings.

A small portion of the Company’s contractual arrangements with customers includes performance incentive provisions, which allows the Company to earn additional revenues as a result of its performance relative to both quantitative and qualitative goals. The Company recognizes the incentive portion of revenue under these arrangements when specific quantitative goals are assured, or when the Company’s clients determine performance against qualitative goals has been achieved. In all circumstances, revenue is only recognized when collection is reasonably assured. The Company records revenue net of sales and other taxes due to be collected and remitted to governmental authorities.

Cost of Services Sold [Policy Text Block]

Cost of Services Sold.  Costs of services sold do not include depreciation charges for fixed assets.

Interest Expense

Interest Expense. Interest expense primarily consists of the cost of borrowing on the 6.75% Notes and the Credit Agreement. The Company uses the effective interest method to amortize the deferred financing costs and original issue premium on the 6.75% Notes. The Company also uses the straight-line method to amortize the deferred financing costs on the Credit Agreement.

Income Tax

Income Taxes. The Company’s US operating units are generally structured as limited liability companies, which are treated as partnerships for tax purposes.   The Company is only taxed on its share of profits, while noncontrolling holders are responsible for taxes on their share of the profits. The Company currently has a fully reserved valuation allowance for its US net operating losses.   During the three months ended March 31, 2015 and 2014, the effective tax rate was generally lower than the statutory rate due to

Share-based Compensation

Stock-Based Compensation.  Under the fair value method, compensation cost is measured at fair value at the date of grant and is expensed over the service period, that is the award’s vesting period. When awards are exercised, share capital is credited by the sum of the consideration paid together with the related portion previously credited to additional paid-in capital when compensation costs were charged against income or acquisition consideration.

The Company uses its historical volatility derived over the expected term of the award, to determine the volatility factor used in determining the fair value of the award.

Stock-based awards that are settled in cash or may be settled in cash at the option of employees are recorded as liabilities. The measurement of the liability and compensation cost for these awards is based on the fair value of the award, and is recorded into operating income (expense) over the service period, that is the vesting period of the award. Changes in the Company’s payment obligation prior to the settlement date are recorded as compensation cost in operating income in the period of the change. The final payment amount for such awards is established on the date of the exercise of the award by the employee.

Stock-based awards that are settled in cash or equity at the option of the Company are recorded at fair value on the date of grant and recorded as additional paid-in capital. The fair value measurement of the compensation cost for these awards is based on using the Black-Scholes option pricing-model and is recorded in operating income over the service period, that is the vesting period of the award.

It is the Company’s policy for issuing shares upon the exercise of an equity incentive award to verify the amount of shares to be issued, as well as the amount of proceeds to be collected (if any) and delivery of new shares to the exercising party.

The Company has adopted the straight-line attribution method for determining the compensation cost to be recorded during each accounting period. However, awards based on performance conditions are recorded as compensation expense when the performance conditions are expected to be met.

The Company treats benefits paid by shareholders or equity members to employees as a stock based compensation charge with a corresponding credit to additional paid-in-capital.

From time to time, certain acquisitions and step up acquisitions include an element of compensation related payments. The Company accounts for those payments as stock-based compensation.

During the three months ended March 31, 2015, the Company issued no restricted stock units (“RSUs”) to its employees and directors. 

A total of 751,618 Class A shares of restricted stock, granted to employees as equity incentive awards but not yet vested, have been excluded in the Company’s calculation of Class A shares outstanding as of March 31, 2015.

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Discontinued Operations (Tables)

3 Months Ended

Mar. 31, 2015

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures

Included in discontinued operations in the Company’s consolidated statements of operations for the three months ended March 31, 2015 and 2014 was the following:

	Three Months Ended   March 31,
	2015			2014
Revenue	$	15,524		$	17,715
Operating loss	$	(1,552	)	$	(161	)
Other expense	$	(72	)	$	(110	)
Loss on disposal	(4,670		)	—
Net loss from discontinued operations attributable to MDC Partners Inc., net of taxes	$	(6,294	)	$	(271	)

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Commitments, Contingencies and Guarantees (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Estimated Payments For Put Option Excluding Termination	$ 21,632
Estimated Issuance of Share Capital for Purchase of Ownership Interest on Exercise of Put Options	87
Estimated Payment for Put Options Upon Termination	180,706
Estimated Aggregate Amount For Put Options	202,338
Investment Commitments	8,588
Letters of Credit Outstanding, Amount	$ 4,803

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Debt (Details Textual) (USD $)	3 Months Ended		0 Months Ended	12 Months Ended	0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 20, 2013	Dec. 31, 2013	Nov. 15, 2013	Apr. 02, 2014	Oct. 23, 2014	Dec. 31, 2014
Debt [Line Items]
Long-term Line of Credit, Noncurrent	$ 19,602,000							$ 0
Interest Paid	367,000	334,000
Letters of Credit Outstanding, Amount	4,803,000
Accounts Payable, Total	40,044,000							72,147,000
6.75% Notes
Debt [Line Items]
Debt Instrument, Face Amount			550,000
Debt instrument, stated interest rate	6.75%		6.75%
Debt Instrument, Maturity Year			2020
Debt Instrument, Maturity Date			Apr. 01, 2020
Proceeds from Offering			537,600,000
Debt Instrument, Redemption Date, One	Apr. 01, 2016
Debt Instrument, Redemption Date, Two	Apr. 01, 2017
Debt Instrument, Redemption Date, Latest For Redemption At Face Amount	Apr. 01, 2018
Debt Instrument, Percentage Of Redemption Price, Redemption Date One	103.375%
Debt Instrument, Percentage Of Redemption Price, Redemption Date Two	101.688%
Debt Instrument, Percentage Of Redemption Price, Redemption Date, Latest For Redemption At Face Amount	100.00%
Debt Instrument, Percentage Redeemable Redemption Date, Additional	106.75%
Debt Instrument, Percentage Of Redemption Price Redemption Date, Additional	35.00%
Debt Instrument, Percentage Of Redemption Price, Change In Ownership Control	101.00%
11% Notes
Debt [Line Items]
Debt instrument, stated interest rate			11.00%
Loss on redemption of notes				55,588,000
6.75% Notes issued in November 2013
Debt [Line Items]
Debt instrument, stated interest rate					6.75%
Additional borrowing face amount					110,000,000
Proceeds from Offering					111,925,000
Debt Instrument, Unamortized Premium					4,125,000
Expense Related to Distribution or Servicing and Underwriting Fees					2,200,000
6.75% Notes Issued in April 2014
Debt [Line Items]
Debt instrument, stated interest rate						6.75%
Additional borrowing face amount						75,000,000
Proceeds from Offering						77,452,000
Debt Instrument, Unamortized Premium						3,938,000
Expense Related to Distribution or Servicing and Underwriting Fees						1,500,000
Wells Fargo Capital Finance, LLC
Debt [Line Items]
Line of Credit Facility, Increase (Decrease), Net							100,000,000
Long-term Line of Credit			225,000,000
Debt Instrument, Maturity Date							Sep. 30, 2019
Debt Instrument, Face Amount							$ 325,000,000
Line of Credit Facility, Description			Dec. 31, 2018
Wells Fargo Capital Finance, LLC | Base Rate
Debt [Line Items]
Debt instrument, stated interest rate	1.00%						1.00%
Wells Fargo Capital Finance, LLC | London Interbank Offered Rate (LIBOR)
Debt [Line Items]
Debt instrument, stated interest rate	1.75%						1.75%

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 1,436	$ 1,409
Accumulated depreciation (in dollars)	$ 97,271	$ 95,083
Preferred stock, shares issued	0	0
Shares to be issued, shares	0	0
Common Class A
Common stock, shares issued	49,846,285	49,680,109
Common stock, shares outstanding	49,846,285	49,680,109
Common Class B
Common stock, shares issued	3,755	3,755
Common stock, shares outstanding	3,755	3,755

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Loss Per Common Share

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Loss Per Common Share

Loss Per Common Share

The following table sets forth the computation of basic and diluted loss per common share from continuing operations.

	Three Months Ended   March 31,
	2015			2014
Numerator
Numerator for basic loss per common share - loss from continuing operations	$	(23,417	)	$	(7,213	)
Net income attributable to the non-controlling interests	(2,380		)	(1,362		)
Net loss attributable to MDC Partners Inc. common shareholders from continuing operations	(25,797		)	(8,575		)
Effect of dilutive securities	—			—
Numerator for diluted loss per common share - loss attributable to MDC Partners Inc. common shareholders from continuing operations	$	(25,797	)	$	(8,575	)
Denominator
Denominator for basic loss per common share - weighted average common shares	49,754,961			49,338,332
Effect of dilutive securities	—			—
Denominator for diluted loss per common share - adjusted weighted shares and assumed conversions	49,754,961			49,338,332
Basic loss per common share from continuing operations	$	(0.52	)	$	(0.17	)
Diluted loss per common share from continuing operations	$	(0.52	)	$	(0.17	)

During the three months ended March 31, 2015, options and other rights to purchase 944,835 shares of common stock, which includes 832,335 shares of non-vested restricted stock and restricted stock units, were outstanding and were not included in the computation of diluted income per common share because their effect would be antidilutive.

During the three months ended March 31, 2014, options and other rights to purchase 1,113,210 shares of common stock, which includes 1,000,710 shares of non-vested restricted stock, were outstanding and were not included in the computation of diluted income per common share because their effect would be antidilutive.

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Debt (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Schedule of Debt

:

	March 31, 2015		December 31, 2014
Revolving credit agreement	$	19,602	$	—
6.75% Senior Notes due 2020	735,000		735,000
Original issue premium	6,722		7,017
	761,324		742,017
Obligations under capital leases	1,007		1,110
	762,331		743,127
Less current portion:	532		534
	$	761,799	$	742,593

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Accruals and Other Liabilities (Details Textual) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accrued and Other Liabilities [Abstract]
Accrued Media Cost, Current	$ 214,435,000	$ 144,161,000
Other Liabilities	6,173,000	6,419,000
Accrued and Other Liabilities Attributable To Noncontrolling Interest	$ 5,439,000	$ 6,014,000	$ 5,210,000

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Subsequent Events (Notes)

3 Months Ended

Mar. 31, 2015

Subsequent Events [Abstract]

Subsequent Events

Since October 5, 2014, the Company has been actively cooperating with the production of documents for review by the Securities and Exchange Commission pursuant to a Subpoena.  In connection with this production of documents, the Company formed a Special Committee of independent directors to review certain matters relating to the reimbursement of expenses incurred by the CEO.  The Special Committee completed an extensive review of perquisites and payments made by the Company on behalf of the CEO during the period 2009 through 2014.  Following the review, the CEO agreed to reimburse the Company for the perquisites and expenses in the aggregate amount of $8,600, which will be recorded as income in the second quarter of 2015.