10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended September 30, 2022

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: 1-12675 (Kilroy Realty Corporation)

Commission File Number: 000-54005 (Kilroy Realty, L.P.)

KILROY REALTY CORPORATION

KILROY REALTY, L.P.

(Exact name of registrant as specified in its charter)

Kilroy Realty Corporation	Maryland	95-4598246
	(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
Kilroy Realty, L.P.	Delaware	95-4612685
	(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

12200 W. Olympic Boulevard, Suite 200, Los Angeles, California, 90064

(Address of principal executive offices) (Zip Code)

(310) 481-8400

(Registrant's telephone number, including area code)

N/A

(Former name, former address and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:
Registrant	Title of each class	Name of each exchange on which registered	Ticker Symbol
Kilroy Realty Corporation	Common Stock, $.01 par value	New York Stock Exchange	KRC

Securities registered pursuant to Section 12(g) of the Act:
Registrant	Title of each class
Kilroy Realty, L.P.	Common Units Representing Limited Partnership Interests

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.    

Kilroy Realty Corporation    Yes  ☑    No   ☐

Kilroy Realty, L.P.         Yes  ☑    No   ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted 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 such files).    

Kilroy Realty Corporation     Yes  ☑    No   ☐

Kilroy Realty, L.P.         Yes  ☑    No   ☐

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

Kilroy Realty Corporation

Large accelerated filer ☑    Accelerated filer ☐

Non-accelerated filer ☐    Smaller reporting company ☐

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Kilroy Realty, L.P.

Large accelerated filer ☐    Accelerated filer ☐

Non-accelerated filer ☑    Smaller reporting company ☐

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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

Kilroy Realty Corporation Yes  ☐     No   ☑

Kilroy Realty, L.P. Yes  ☐     No   ☑

As of October 21, 2022, 116,877,453 shares of Kilroy Realty Corporation common stock, par value $.01 per share, were outstanding.

EXPLANATORY NOTE

This report combines the quarterly reports on Form 10-Q for the period ended September 30, 2022 of Kilroy Realty Corporation and Kilroy Realty, L.P. Unless stated otherwise or the context otherwise requires, references to “Kilroy Realty Corporation” or the “Company,” “we,” “our,” and “us” mean Kilroy Realty Corporation, a Maryland corporation, and its controlled and consolidated subsidiaries, and references to “Kilroy Realty, L.P.” or the “Operating Partnership” mean Kilroy Realty, L.P., a Delaware limited partnership and its controlled and consolidated subsidiaries.

The Company is a real estate investment trust, or REIT, and the general partner of the Operating Partnership. As of September 30, 2022, the Company owned an approximate 99.0% common general partnership interest in the Operating Partnership. The remaining approximate 1.0% common limited partnership interests are owned by non-affiliated investors and certain directors and officers of the Company. As the sole general partner of the Operating Partnership, the Company exercises exclusive and complete discretion over the Operating Partnership’s day-to-day management and control and can cause it to enter into certain major transactions, including acquisitions, dispositions, and refinancings and cause changes in its line of business, capital structure and distribution policies.

There are a few differences between the Company and the Operating Partnership that are reflected in the disclosures in this Form 10-Q. We believe it is important to understand the differences between the Company and the Operating Partnership in the context of how the Company and the Operating Partnership operate as an interrelated, consolidated company. The Company is a REIT, the only material asset of which is the partnership interests it holds in the Operating Partnership. As a result, the Company generally does not conduct business itself, other than acting as the sole general partner of the Operating Partnership, issuing equity from time to time and guaranteeing certain debt of the Operating Partnership. The Company itself is not directly obligated under any indebtedness, but generally guarantees all of the debt of the Operating Partnership. The Operating Partnership owns substantially all of the assets of the Company either directly or through its subsidiaries, conducts the operations of the Company’s business and is structured as a limited partnership with no publicly traded equity. Except for net proceeds from equity issuances by the Company, which the Company generally contributes to the Operating Partnership in exchange for units of partnership interest, the Operating Partnership generates the capital required by the Company’s business through the Operating Partnership’s operations, by the Operating Partnership’s incurrence of indebtedness or through the issuance of units of partnership interest.

Noncontrolling interests, stockholders’ equity and partners’ capital are the main areas of difference between the consolidated financial statements of the Company and those of the Operating Partnership. The common limited partnership interests in the Operating Partnership are accounted for as partners’ capital in the Operating Partnership’s financial statements and, to the extent not held by the Company, as noncontrolling interests in the Company’s financial statements. The differences between stockholders’ equity, partners’ capital and noncontrolling interest result from the differences in the equity issued by the Company and the Operating Partnership.

We believe combining the quarterly reports on Form 10-Q of the Company and the Operating Partnership into this single report results in the following benefits:

•Combined reports better reflect how management and the analyst community view the business as a single operating unit;

•Combined reports enhance investors’ understanding of the Company and the Operating Partnership by enabling them to view the business as a whole and in the same manner as management;

•Combined reports are more efficient for the Company and the Operating Partnership and result in savings in time, effort and expense; and

•Combined reports are more efficient for investors by reducing duplicative disclosure and providing a single document for their review.

To help investors understand the significant differences between the Company and the Operating Partnership, this report presents the following separate sections for each of the Company and the Operating Partnership:

•consolidated financial statements;

•the following notes to the consolidated financial statements:

◦Note 5, Stockholders’ Equity of the Company;

◦Note 7, Partners’ Capital of the Operating Partnership;

◦Note 12, Net Income Available to Common Stockholders Per Share of the Company;

◦Note 13, Net Income Available to Common Unitholders Per Unit of the Operating Partnership;

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◦Note 14, Supplemental Cash Flow Information of the Company; and

◦Note 15, Supplemental Cash Flow Information of the Operating Partnership;

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

◦—Liquidity and Capital Resources of the Company;” and

◦—Liquidity and Capital Resources of the Operating Partnership.”

This report also includes separate sections under “Part I – Financial Information, Item 4. Controls and Procedures” and separate Exhibit 31 and Exhibit 32 certifications for the Company and the Operating Partnership to establish that the Chief Executive Officer and the Chief Financial Officer of each entity have made the requisite certifications and that the Company and Operating Partnership are compliant with Rule 13a-15 or Rule 15d-15 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and 18 U.S.C. §1350.

Available Information

We use our website (www.kilroyrealty.com) as a routine channel of distribution of company information, including press releases, presentations, and supplemental information, as a means of disclosing material non-public information and for complying with our disclosure obligations under Regulation FD. Accordingly, investors should monitor our website in addition to following press releases, SEC filings, and public conference calls and webcasts. Investors and others can receive notifications of new information posted on our investor relations website in real time by signing up for email alerts.

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KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

QUARTERLY REPORT FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2022

TABLE OF CONTENTS

		Page
	PART I – FINANCIAL INFORMATION
Item 1.	FINANCIAL STATEMENTS (UNAUDITED) OF KILROY REALTY CORPORATION	1
	Consolidated Balance Sheets as of September 30, 2022 and December 31, 2021	1
	Consolidated Statements of Operations for the Three and Nine Months ended September 30, 2022 and 2021	2
	Consolidated Statements of Equity for the Three and Nine Months ended September 30, 2022 and 2021	3
	Consolidated Statements of Cash Flows for the Nine Months ended September 30, 2022 and 2021	5
Item 1.	FINANCIAL STATEMENTS (UNAUDITED) OF KILROY REALTY, L.P.	6
	Consolidated Balance Sheets as of September 30, 2022 and December 31, 2021	6
	Consolidated Statements of Operations for the Three and Nine Months ended September 30, 2022 and 2021	7
	Consolidated Statements of Capital for the Three and Nine Months ended September 30, 2022 and 2021	8
	Consolidated Statements of Cash Flows for the Nine Months ended September 30, 2022 and 2021	10
	Notes to Unaudited Consolidated Financial Statements	11
Item 2.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	25
Item 3.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	54
Item 4.	CONTROLS AND PROCEDURES (KILROY REALTY CORPORATION AND KILROY REALTY, L.P.)	54
	PART II – OTHER INFORMATION
Item 1.	LEGAL PROCEEDINGS	55
Item 1A.	RISK FACTORS	55
Item 2.	UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS	57
Item 3.	DEFAULTS UPON SENIOR SECURITIES	57
Item 4.	MINE SAFETY DISCLOSURES	57
Item 5.	OTHER INFORMATION	57
Item 6.	EXHIBITS	58
SIGNATURES		59

PART I – FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS (UNAUDITED) OF KILROY REALTY CORPORATION

KILROY REALTY CORPORATION

CONSOLIDATED BALANCE SHEETS

(Unaudited; in thousands, except share data)

	September 30, 2022		December 31, 2021
ASSETS
REAL ESTATE ASSETS (Notes 2 and 3):
Land and improvements	$	1,743,194	$	1,731,982
Buildings and improvements	7,693,247		7,543,585
Undeveloped land and construction in progress	2,183,071		2,017,126
Total real estate assets held for investment	11,619,512		11,292,693
Accumulated depreciation and amortization	(2,150,060)		(2,003,656)
Total real estate assets held for investment, net	9,469,452		9,289,037
CASH AND CASH EQUIVALENTS	249,981		414,077
RESTRICTED CASH	13,009		13,006
MARKETABLE SECURITIES (Note 11)	22,390		27,475
CURRENT RECEIVABLES, NET	15,885		14,386
DEFERRED RENT RECEIVABLES, NET	442,987		405,665
DEFERRED LEASING COSTS AND ACQUISITION-RELATED INTANGIBLE ASSETS, NET	214,484		234,458
RIGHT OF USE GROUND LEASE ASSETS	126,708		127,302
PREPAID EXPENSES AND OTHER ASSETS, NET	65,096		57,991
TOTAL ASSETS	$	10,619,992	$	10,583,397
LIABILITIES AND EQUITY
LIABILITIES:
Secured debt, net (Notes 4 and 11)	$	244,316	$	248,367
Unsecured debt, net (Notes 4 and 11)	3,823,532		3,820,383
Accounts payable, accrued expenses and other liabilities	424,087		391,264
Ground lease liabilities	125,065		125,550
Accrued dividends and distributions (Note 16)	64,271		61,850
Deferred revenue and acquisition-related intangible liabilities, net	176,105		171,151
Rents received in advance and tenant security deposits	82,839		74,962
Total liabilities	4,940,215		4,893,527
COMMITMENTS AND CONTINGENCIES (Note 10)
EQUITY:
Stockholders’ Equity (Note 5):
Common stock, $.01 par value, 280,000,000 shares authorized, 116,877,453 and 116,464,169 shares issued and outstanding, respectively	1,169		1,165
Additional paid-in capital	5,162,088		5,155,232
Retained earnings	276,138		283,663
Total stockholders’ equity	5,439,395		5,440,060
Noncontrolling Interests (Notes 1 and 6):
Common units of the Operating Partnership	53,475		53,746
Noncontrolling interests in consolidated property partnerships	186,907		196,064
Total noncontrolling interests	240,382		249,810
Total equity	5,679,777		5,689,870
TOTAL LIABILITIES AND EQUITY	$	10,619,992	$	10,583,397

See accompanying notes to consolidated financial statements.

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KILROY REALTY CORPORATION

CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited; in thousands, except share and per share data)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
REVENUES
Rental income (Note 9)	$	272,546	$	230,720	$	804,330	$	689,849
Other property income	3,412		1,606		8,313		4,106
Total revenues	275,958		232,326		812,643		693,955
EXPENSES
Property expenses	52,075		40,842		147,421		120,183
Real estate taxes	27,415		24,153		78,718		71,528
Ground leases	1,771		1,708		5,473		5,559
General and administrative expenses (Note 8)	23,524		22,990		68,425		69,482
Leasing costs	1,015		798		3,475		2,373
Depreciation and amortization	81,140		73,213		266,215		222,734
Total expenses	186,940		163,704		569,727		491,859
OTHER INCOME (EXPENSES)
Interest and other income, net	295		976		501		3,686
Interest expense (Note 4)	(19,982)		(16,105)		(60,728)		(59,829)
Gain on sale of depreciable operating property (Note 3)	17,329		—		17,329		457,831
Total other (expenses) income	(2,358)		(15,129)		(42,898)		401,688
NET INCOME	86,660		53,493		200,018		603,784
Net income attributable to noncontrolling common units of the Operating Partnership	(664)		(460)		(1,695)		(5,700)
Net income attributable to noncontrolling interests in consolidated property partnerships	(6,239)		(6,005)		(18,333)		(17,586)
Total income attributable to noncontrolling interests	(6,903)		(6,465)		(20,028)		(23,286)
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS	$	79,757	$	47,028	$	179,990	$	580,498
Net income available to common stockholders per share – basic (Note 12)	$	0.68	$	0.40	$	1.53	$	4.98
Net income available to common stockholders per share – diluted (Note 12)	$	0.68	$	0.40	$	1.53	$	4.96
Weighted average common shares outstanding – basic (Note 12)	116,872,953		116,456,796		116,782,621		116,418,113
Weighted average common shares outstanding – diluted (Note 12)	117,242,411		116,962,680		117,163,149		116,894,434

See accompanying notes to consolidated financial statements.

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KILROY REALTY CORPORATION

CONSOLIDATED STATEMENTS OF EQUITY

(Unaudited; in thousands, except share and per share/unit data)

	Common Stock							Total Stock- holders’ Equity		Noncontrolling Interests		Total Equity
	Number of Shares	Common Stock		Additional Paid-in Capital		Retained Earnings
BALANCE AS OF DECEMBER 31, 2021	116,464,169	$	1,165	$	5,155,232	$	283,663	$	5,440,060	$	249,810	$	5,689,870
Net income						53,128		53,128		6,255		59,383
Issuance of share-based compensation awards				1,942				1,942				1,942
Non-cash amortization of share-based compensation (Note 8)				6,598				6,598				6,598
Settlement of restricted stock units for shares of common stock	459,050	5		(5)				—				—
Repurchase of common stock and restricted stock units	(207,139)	(3)		(13,991)				(13,994)				(13,994)
Distributions to noncontrolling interests in consolidated property partnerships								—		(14,842)		(14,842)
Adjustment for noncontrolling interest				192				192		(192)		—
Dividends declared per common share and common unit ($0.52 per share/unit)						(62,598)		(62,598)		(598)		(63,196)
BALANCE AS OF MARCH 31, 2022	116,716,080	1,167		5,149,968		274,193		5,425,328		240,433		5,665,761
Net income						47,105		47,105		6,870		53,975
Issuance of share-based compensation awards				635				635				635
Non-cash amortization of share-based compensation (Note 8)				9,665				9,665				9,665
Settlement of restricted stock units for shares of common stock	273,382	2		(2)				—				—
Repurchase of common stock, stock options and restricted stock units	(118,492)	—		(8,660)				(8,660)				(8,660)
Distributions to noncontrolling interests in consolidated property partnerships								—		(6,948)		(6,948)
Adjustment for noncontrolling interest				99				99		(99)		—
Dividends declared per common share and common unit ($0.52 per share/unit)						(61,278)		(61,278)		(599)		(61,877)
BALANCE AS OF JUNE 30, 2022	116,870,970	1,169		5,151,705		260,020		5,412,894		239,657		5,652,551
Net income						79,757		79,757		6,903		86,660
Issuance of share-based compensation awards				505				505				505
Non-cash amortization of share-based compensation (Note 8)				10,287				10,287				10,287
Settlement of restricted stock units for shares of common stock	11,930	—		—				—				—
Repurchase of common stock, stock options and restricted stock units	(5,447)	—		(267)				(267)				(267)
Distributions to noncontrolling interests in consolidated property partnerships								—		(5,700)		(5,700)
Adjustment for noncontrolling interest				(142)				(142)		142		—
Dividends declared per common share and common unit ($0.54 per share/unit) (Note 16)						(63,639)		(63,639)		(620)		(64,259)
BALANCE AS OF SEPTEMBER 30, 2022	116,877,453	$	1,169	$	5,162,088	$	276,138	$	5,439,395	$	240,382	$	5,679,777

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	Common Stock							Total Stock- holders’ Equity		Noncontrolling Interests		Total Equity
	Number of Shares	Common Stock		Additional Paid-in Capital		Retained Earnings (Distributions in Excess of Earnings)
BALANCE AS OF DECEMBER 31, 2020	116,035,827	$	1,160	$	5,131,916	$	(103,133)	$	5,029,943	$	247,378	$	5,277,321
Net income						497,631		497,631		9,780		507,411
Issuance of share-based compensation awards				1,950				1,950				1,950
Non-cash amortization of share-based compensation				9,604				9,604				9,604
Settlement of restricted stock units for shares of common stock	769,701	8		(8)				—				—
Repurchase of common stock and restricted stock units	(355,158)	(3)		(21,134)				(21,137)				(21,137)
Distributions to noncontrolling interests in consolidated property partnerships								—		(11,680)		(11,680)
Adjustment for noncontrolling interest				256				256		(256)		—
Dividends declared per common share and common unit ($0.500 per share/unit)						(60,002)		(60,002)		(575)		(60,577)
BALANCE AS OF MARCH 31, 2021	116,450,370	1,165		5,122,584		334,496		5,458,245		244,647		5,702,892
Net income						35,839		35,839		7,041		42,880
Issuance of share-based compensation awards				645				645				645
Non-cash amortization of share-based compensation				11,193				11,193				11,193
Settlement of restricted stock units for shares of common stock	3,840	—		—				—				—
Distributions to noncontrolling interests in consolidated property partnerships								—		(4,692)		(4,692)
Adjustment for noncontrolling interest				(102)				(102)		102		—
Dividends declared per common share and common unit ($0.500 per share/unit)						(58,877)		(58,877)		(576)		(59,453)
BALANCE AS OF JUNE 30, 2021	116,454,210	1,165		5,134,320		311,458		5,446,943		246,522		5,693,465
Net income						47,028		47,028		6,465		53,493
Issuance of share-based compensation awards				650				650				650
Non-cash amortization of share-based compensation				11,477				11,477				11,477
Settlement of restricted stock units for shares of common stock	11,743	—		—				—				—
Repurchase and cancellation of common stock, stock options, and restricted stock units	(4,270)	—		(282)				(282)				(282)
Contributions from noncontrolling interests in consolidated property partnerships								—		1,591		1,591
Distributions to noncontrolling interests in consolidated property partnerships								—		(7,922)		(7,922)
Adjustment for noncontrolling interest				(116)				(116)		116		—
Dividends declared per common share and common unit ($0.52 per share/unit)						(61,236)		(61,236)		(598)		(61,834)
BALANCE AS OF SEPTEMBER 30, 2021	116,461,683	$	1,165	$	5,146,049	$	297,250	$	5,444,464	$	246,174	$	5,690,638

See accompanying notes to consolidated financial statements.

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KILROY REALTY CORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited; in thousands)

	Nine Months Ended September 30,
	2022		2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	200,018	$	603,784
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of real estate assets and leasing costs	261,129		218,171
Depreciation of non-real estate furniture, fixtures and equipment	5,086		4,563
Revenue reversals for doubtful accounts, net (Note 9)	191		2,830
Non-cash amortization of share-based compensation awards	21,635		26,486
Non-cash amortization of deferred financing costs and debt discounts	2,442		2,232
Non-cash amortization of net below market rents	(8,171)		(3,704)
Gain on sale of depreciable operating property (Note 3)	(17,329)		(457,831)
Non-cash amortization of deferred revenue related to tenant-funded tenant improvements	(14,221)		(12,982)
Straight-line rents	(38,239)		(41,238)
Amortization of right of use ground lease assets	594		886
Net change in other operating assets	(5,323)		(5,767)
Net change in other operating liabilities	76,418		70,130
Net cash provided by operating activities	484,230		407,560
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for acquisitions of development properties and undeveloped land (Note 2)	(40,033)		(586,927)
Expenditures for development and redevelopment properties and undeveloped land	(334,711)		(436,839)
Expenditures for acquisitions of operating properties (Note 2)	—		(537,429)
Expenditures for operating properties and other capital assets	(65,526)		(90,280)
Net proceeds received from disposition (Note 3)	33,416		1,013,359
Net decrease in acquisition-related deposits	—		1,000
Net cash used in investing activities	(406,854)		(637,116)
CASH FLOWS FROM FINANCING ACTIVITIES:
Financing costs	(3,083)		(7,801)
Repurchase of common stock and restricted stock units	(22,921)		(21,419)
Distributions to noncontrolling interests in consolidated property partnerships	(27,497)		(24,303)
Dividends and distributions paid to common stockholders and common unitholders	(183,822)		(176,196)
Principal payments and repayments of secured debt	(4,146)		(3,987)
Contributions from noncontrolling interests in consolidated property partnerships	—		1,591
Net cash used in financing activities	(241,469)		(232,115)
Net decrease in cash and cash equivalents and restricted cash	(164,093)		(461,671)
Cash and cash equivalents and restricted cash, beginning of period	427,083		823,130
Cash and cash equivalents and restricted cash, end of period	$	262,990	$	361,459

See accompanying notes to consolidated financial statements.

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ITEM 1: FINANCIAL STATEMENTS (UNAUDITED) OF KILROY REALTY, L.P.

KILROY REALTY, L.P.

CONSOLIDATED BALANCE SHEETS

(Unaudited; in thousands, except unit data)

	September 30, 2022		December 31, 2021
ASSETS
REAL ESTATE ASSETS (Notes 2 and 3):
Land and improvements	$	1,743,194	$	1,731,982
Buildings and improvements	7,693,247		7,543,585
Undeveloped land and construction in progress	2,183,071		2,017,126
Total real estate assets held for investment	11,619,512		11,292,693
Accumulated depreciation and amortization	(2,150,060)		(2,003,656)
Total real estate assets held for investment, net	9,469,452		9,289,037
CASH AND CASH EQUIVALENTS	249,981		414,077
RESTRICTED CASH	13,009		13,006
MARKETABLE SECURITIES (Note 11)	22,390		27,475
CURRENT RECEIVABLES, NET	15,885		14,386
DEFERRED RENT RECEIVABLES, NET	442,987		405,665
DEFERRED LEASING COSTS AND ACQUISITION-RELATED INTANGIBLE ASSETS, NET	214,484		234,458
RIGHT OF USE GROUND LEASE ASSETS	126,708		127,302
PREPAID EXPENSES AND OTHER ASSETS, NET	65,096		57,991
TOTAL ASSETS	$	10,619,992	$	10,583,397
LIABILITIES AND CAPITAL
LIABILITIES:
Secured debt, net (Notes 4 and 11)	$	244,316	$	248,367
Unsecured debt, net (Notes 4 and 11)	3,823,532		3,820,383
Accounts payable, accrued expenses and other liabilities	424,087		391,264
Ground lease liabilities	125,065		125,550
Accrued distributions (Note 16)	64,271		61,850
Deferred revenue and acquisition-related intangible liabilities, net	176,105		171,151
Rents received in advance and tenant security deposits	82,839		74,962
Total liabilities	4,940,215		4,893,527
COMMITMENTS AND CONTINGENCIES (Note 10)
CAPITAL:
Common units, 116,877,453 and 116,464,169 held by the general partner and 1,150,574 and 1,150,574 held by common limited partners issued and outstanding, respectively (Note 7)	5,492,870		5,493,806
Noncontrolling interests in consolidated property partnerships (Note 1)	186,907		196,064
Total capital	5,679,777		5,689,870
TOTAL LIABILITIES AND CAPITAL	$	10,619,992	$	10,583,397

See accompanying notes to consolidated financial statements.

6

KILROY REALTY, L.P.

CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited; in thousands, except unit and per unit data)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
REVENUES
Rental income (Note 9)	$	272,546	$	230,720	$	804,330	$	689,849
Other property income	3,412		1,606		8,313		4,106
Total revenues	275,958		232,326		812,643		693,955
EXPENSES
Property expenses	52,075		40,842		147,421		120,183
Real estate taxes	27,415		24,153		78,718		71,528
Ground leases	1,771		1,708		5,473		5,559
General and administrative expenses (Note 8)	23,524		22,990		68,425		69,482
Leasing costs	1,015		798		3,475		2,373
Depreciation and amortization	81,140		73,213		266,215		222,734
Total expenses	186,940		163,704		569,727		491,859
OTHER INCOME (EXPENSES)
Interest and other income, net	295		976		501		3,686
Interest expense (Note 4)	(19,982)		(16,105)		(60,728)		(59,829)
Gain on sale of depreciable operating property (Note 3)	17,329		—		17,329		457,831
Total other (expenses) income	(2,358)		(15,129)		(42,898)		401,688
NET INCOME	86,660		53,493		200,018		603,784
Net income attributable to noncontrolling interests in consolidated property partnerships and subsidiaries	(6,239)		(6,005)		(18,333)		(17,586)
NET INCOME AVAILABLE TO COMMON UNITHOLDERS	$	80,421	$	47,488	$	181,685	$	586,198
Net income available to common unitholders per unit – basic (Note 13)	$	0.68	$	0.40	$	1.53	$	4.98
Net income available to common unitholders per unit – diluted (Note 13)	$	0.68	$	0.40	$	1.53	$	4.96
Weighted average common units outstanding – basic (Note 13)	118,023,527		117,607,370		117,933,195		117,568,687
Weighted average common units outstanding – diluted (Note 13)	118,392,985		118,113,254		118,313,723		118,045,008

See accompanying notes to consolidated financial statements.

7

KILROY REALTY, L.P.

CONSOLIDATED STATEMENTS OF CAPITAL

(Unaudited; in thousands, except unit and per unit data)

	Partners’ Capital			Noncontrolling Interests in Consolidated Property Partnerships
	Number of Common Units	Common Units				Total Capital
BALANCE AS OF DECEMBER 31, 2021	117,614,743	$	5,493,806	$	196,064	$	5,689,870
Net income		53,644		5,739		59,383
Issuance of share-based compensation awards		1,942				1,942
Non-cash amortization of share-based compensation (Note 8)		6,598				6,598
Settlement of restricted stock units	459,050	—				—
Repurchase of common units and restricted stock units	(207,139)	(13,994)				(13,994)
Distributions to noncontrolling interests in consolidated property partnerships				(14,842)		(14,842)
Distributions declared per common unit ($0.52 per unit)		(63,196)				(63,196)
BALANCE AS OF MARCH 31, 2022	117,866,654	5,478,800		186,961		5,665,761
Net income		47,620		6,355		53,975
Issuance of share-based compensation awards		635				635
Non-cash amortization of share-based compensation (Note 8)		9,665				9,665
Settlement of restricted stock units	273,382	—				—
Repurchase of common units, stock options and restricted stock units	(118,492)	(8,660)				(8,660)
Distributions to noncontrolling interests in consolidated property partnerships				(6,948)		(6,948)
Distributions declared per common unit ($0.52 per unit)		(61,877)				(61,877)
BALANCE AS OF JUNE 30, 2022	118,021,544	5,466,183		186,368		5,652,551
Net income		80,421		6,239		86,660
Issuance of share-based compensation awards		505				505
Non-cash amortization of share-based compensation (Note 8)		10,287				10,287
Settlement of restricted stock units	11,930	—				—
Repurchase of common units, stock options and restricted stock units	(5,447)	(267)				(267)
Distributions to noncontrolling interests in consolidated property partnerships				(5,700)		(5,700)
Distributions declared per common unit ($0.54 per unit) (Note 16)		(64,259)				(64,259)
BALANCE AS OF SEPTEMBER 30, 2022	118,028,027	$	5,492,870	$	186,907	$	5,679,777

8

	Partners’ Capital			Noncontrolling Interests in Consolidated Property Partnerships and Subsidiaries
	Number of Common Units	Common Units				Total Capital
BALANCE AS OF DECEMBER 31, 2020	117,186,401	$	5,079,818	$	197,503	$	5,277,321
Net income		502,517		4,894		507,411
Issuance of share-based compensation awards		1,950				1,950
Non-cash amortization of share-based compensation		9,604				9,604
Settlement of restricted stock units	769,701	—				—
Repurchase of common units and restricted stock units	(355,158)	(21,137)				(21,137)
Distributions to noncontrolling interests in consolidated property partnerships				(11,680)		(11,680)
Distributions declared per common unit ($0.500 per unit)		(60,577)				(60,577)
BALANCE AS OF MARCH 31, 2021	117,600,944	5,512,175		190,717		5,702,892
Net income		36,193		6,687		42,880
Issuance of share-based compensation awards		645				645
Non-cash amortization of share-based compensation		11,193				11,193
Settlement of restricted stock units	3,840	—				—
Distributions to noncontrolling interests in consolidated property partnerships				(4,692)		(4,692)
Distributions declared per common unit ($0.500 per unit)		(59,453)				(59,453)
BALANCE AS OF JUNE 30, 2021	117,604,784	5,500,753		192,712		5,693,465
Net income		47,488		6,005		53,493
Issuance of share-based compensation awards		650				650
Non-cash amortization of share-based compensation		11,477				11,477
Settlement of restricted stock units	11,743	—				—
Repurchase and cancellation of common units, stock options, and restricted stock units	(4,270)	(282)				(282)
Contributions from noncontrolling interests in consolidated property partnerships				1,591		1,591
Distributions to noncontrolling interests in consolidated property partnerships				(7,922)		(7,922)
Distributions declared per common unit ($0.52 per unit)		(61,834)				(61,834)
BALANCE AS OF SEPTEMBER 30, 2021	117,612,257	$	5,498,252	$	192,386	$	5,690,638

See accompanying notes to consolidated financial statements.

9

KILROY REALTY, L.P.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited; in thousands)

	Nine Months Ended September 30,
	2022		2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	200,018	$	603,784
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of real estate assets and leasing costs	261,129		218,171
Depreciation of non-real estate furniture, fixtures and equipment	5,086		4,563
Revenue reversals for doubtful accounts, net (Note 9)	191		2,830
Non-cash amortization of share-based compensation awards	21,635		26,486
Non-cash amortization of deferred financing costs and debt discounts	2,442		2,232
Non-cash amortization of net below market rents	(8,171)		(3,704)
Gain on sale of depreciable operating property (Note 3)	(17,329)		(457,831)
Non-cash amortization of deferred revenue related to tenant-funded tenant improvements	(14,221)		(12,982)
Straight-line rents	(38,239)		(41,238)
Amortization of right of use ground lease assets	594		886
Net change in other operating assets	(5,323)		(5,767)
Net change in other operating liabilities	76,418		70,130
Net cash provided by operating activities	484,230		407,560
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for acquisitions of development properties and undeveloped land (Note 2)	(40,033)		(586,927)
Expenditures for development and redevelopment properties and undeveloped land	(334,711)		(436,839)
Expenditures for acquisitions of operating properties (Note 2)	—		(537,429)
Expenditures for operating properties and other capital assets	(65,526)		(90,280)
Net proceeds received from disposition (Note 3)	33,416		1,013,359
Net decrease in acquisition-related deposits	—		1,000
Net cash used in investing activities	(406,854)		(637,116)
CASH FLOWS FROM FINANCING ACTIVITIES:
Financing costs	(3,083)		(7,801)
Repurchase of common units and restricted stock units	(22,921)		(21,419)
Distributions to noncontrolling interests in consolidated property partnerships	(27,497)		(24,303)
Distributions paid to common unitholders	(183,822)		(176,196)
Principal payments and repayments of secured debt	(4,146)		(3,987)
Contributions from noncontrolling interests in consolidated property partnerships	—		1,591
Net cash used in financing activities	(241,469)		(232,115)
Net decrease in cash and cash equivalents and restricted cash	(164,093)		(461,671)
Cash and cash equivalents and restricted cash, beginning of period	427,083		823,130
Cash and cash equivalents and restricted cash, end of period	$	262,990	$	361,459

See accompanying notes to consolidated financial statements.

10

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

1.    Organization, Ownership and Basis of Presentation

Organization and Ownership

Kilroy Realty Corporation (the “Company”) is a self-administered real estate investment trust (“REIT”) active in premier office, life science and mixed-use submarkets in the United States. We own, develop, acquire and manage real estate assets, consisting primarily of Class A properties in Greater Los Angeles, San Diego County, the San Francisco Bay Area, Greater Seattle and Austin, Texas, which we believe have strategic advantages and strong barriers to entry. Class A real estate encompasses attractive and efficient buildings of high quality that are attractive to tenants, are well-designed and constructed with above-average material, workmanship and finishes and are well-maintained and managed. We qualify as a REIT under the Internal Revenue Code of 1986, as amended (the “Code”). The Company’s common stock is publicly traded on the New York Stock Exchange (“NYSE”) under the ticker symbol “KRC.”

We own our interests in all of our real estate assets through Kilroy Realty, L.P. (the “Operating Partnership”). We generally conduct substantially all of our operations through the Operating Partnership. Unless stated otherwise or the context indicates otherwise, the terms “Kilroy Realty Corporation” or the “Company,” “we,” “our,” and “us” refer to Kilroy Realty Corporation and its consolidated subsidiaries and the term “Operating Partnership” refers to Kilroy Realty, L.P. and its consolidated subsidiaries. The descriptions of our business, employees, and properties apply to both the Company and the Operating Partnership.

Our stabilized portfolio of operating properties was comprised of the following properties at September 30, 2022:

	Number of Buildings	Rentable Square Feet	Number of Tenants	Percentage  Occupied (1)		Percentage Leased
Stabilized Office Properties (2)	120	16,248,802	414	90.8	%	92.6	%

________________________

(1)Represents economic occupancy.

(2)Includes stabilized life science and retail space.

	Number of Projects	Number of Units	2022 Average Occupancy
Stabilized Residential Properties	3	1,001	93.6	%

Our stabilized portfolio includes all of our properties with the exception of development properties currently committed for construction, under construction, or in the tenant improvement phase, redevelopment properties under construction, undeveloped land and real estate assets held for sale. We define redevelopment properties as those properties for which we expect to spend significant development and construction costs on the existing or acquired buildings pursuant to a formal plan, the intended result of which is a higher economic return on the property. We define properties in the tenant improvement phase as office and life science properties that we are developing or redeveloping where the project has reached cold shell condition and is ready for tenant improvements, which may require additional major base building construction before being placed in service. Projects in the tenant improvement phase are added to our stabilized portfolio once the project reaches the earlier of 95% occupancy or one year from the date of the cessation of major base building construction activities. Costs capitalized to construction in progress for development and redevelopment properties are transferred to land and improvements, buildings and improvements, and deferred leasing costs on our consolidated balance sheets at the historical cost of the property as the projects or phases of projects are placed in service.

During the nine months ended September 30, 2022, we added two development projects and two redevelopment projects to our stabilized portfolio consisting of four buildings totaling 1,114,704 square feet of office and life science space in Seattle, Washington and San Diego, California. As of September 30, 2022, the following properties were excluded from our stabilized portfolio. We did not have any properties held for sale at September 30, 2022.

11

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

	Number of Properties/Projects	Estimated Rentable Square Feet (1)
In-process development projects - tenant improvement	1	734,000
In-process development projects - under construction	2	946,000
In-process redevelopment projects - under construction	1	52,000

________________________

(1)Estimated rentable square feet upon completion.

Our stabilized portfolio also excludes our future development pipeline, which as of September 30, 2022 was comprised of eight future development sites, representing approximately 64 gross acres of undeveloped land.

As of September 30, 2022, all of our properties, development projects and redevelopment projects were owned and all of our business was conducted in the state of California with the exception of ten stabilized office properties and one future development project located in the state of Washington, and one development project in the tenant improvement phase and one future development project in Austin, Texas. All of our properties, development projects and redevelopment projects are 100% owned, excluding four office properties owned by three consolidated property partnerships. Two of the three consolidated property partnerships, 100 First Street Member, LLC (“100 First LLC”) and 303 Second Street Member, LLC (“303 Second LLC”), each owned one office property in San Francisco, California through subsidiary REITs. As of September 30, 2022, the Company owned a 56% common equity interest in both 100 First LLC and 303 Second LLC. The third consolidated property partnership, Redwood City Partners, LLC (“Redwood LLC”) owned two office properties in Redwood City, California. As of September 30, 2022, the Company owned an approximate 93% common equity interest in Redwood LLC. The remaining interests in all three property partnerships were owned by unrelated third parties.

Ownership and Basis of Presentation

The consolidated financial statements of the Company include the consolidated financial position and results of operations of the Company, the Operating Partnership, 303 Second LLC, 100 First LLC, Redwood LLC and all of our wholly-owned and controlled subsidiaries. The consolidated financial statements of the Operating Partnership include the consolidated financial position and results of operations of the Operating Partnership, 303 Second LLC, 100 First LLC, Redwood LLC and all of our wholly-owned and controlled subsidiaries. All intercompany balances and transactions have been eliminated in the consolidated financial statements.

As of September 30, 2022, the Company owned an approximate 99.0% common general partnership interest in the Operating Partnership. The remaining approximate 1.0% common limited partnership interest in the Operating Partnership as of September 30, 2022 was owned by non-affiliated investors and certain of our executive officers and directors. Both the general and limited common partnership interests in the Operating Partnership are denominated in common units. Generally, the number of common units held by the Company is equivalent to the number of outstanding shares of the Company’s common stock, and the rights of all the common units to quarterly distributions and payments in liquidation mirror those of the Company’s common stockholders. The common limited partners have certain redemption rights as provided in the Operating Partnership’s Seventh Amended and Restated Agreement of Limited Partnership, as amended, the “Partnership Agreement”. With the exception of the Operating Partnership and our consolidated property partnerships, all of our subsidiaries are wholly-owned.

The accompanying interim financial statements have been prepared by management in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and in conjunction with the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures required for annual financial statements have been condensed or excluded pursuant to SEC rules and regulations. Accordingly, the interim financial statements do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, the accompanying interim financial statements reflect all adjustments of a normal and recurring nature that are considered necessary for a fair presentation of the results for the interim periods presented. However, the results of operations for the interim periods are not necessarily indicative of the results that may be expected for the year ending December 31, 2022. The interim financial statements for the Company and the Operating Partnership should be read in conjunction with the audited consolidated financial statements and notes thereto included in our annual report on Form 10-K for the year ended December 31, 2021.

12

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Variable Interest Entities

The Operating Partnership is a variable interest entity (“VIE”) that is consolidated by the Company as the primary beneficiary as the Operating Partnership is a limited partnership in which the common limited partners do not have substantive kick-out or participating rights. At September 30, 2022, the consolidated financial statements of the Company included two VIEs in addition to the Operating Partnership: 100 First LLC and 303 Second LLC. At September 30, 2022, the Company and the Operating Partnership were determined to be the primary beneficiaries of these two VIEs since we had the ability to control the activities that most significantly impact each of the VIEs’ economic performance. As of September 30, 2022, the two VIEs’ total assets, liabilities and noncontrolling interests included on our consolidated balance sheet were approximately $440.4 million (of which $366.1 million related to real estate held for investment), approximately $27.7 million and approximately $181.8 million, respectively. Revenues, income and net assets generated by 100 First LLC and 303 Second LLC may only be used to settle their contractual obligations, which primarily consist of operating expenses, capital expenditures and required distributions.

At December 31, 2021, the consolidated financial statements of the Company included two VIEs in addition to the Operating Partnership: 100 First LLC and 303 Second LLC. At December 31, 2021, the Company and the Operating Partnership were determined to be the primary beneficiaries of these two VIEs since we had the ability to control the activities that most significantly impact each of the VIEs’ economic performance. At December 31, 2021, the impact of consolidating the VIEs increased the Company’s total assets, liabilities and noncontrolling interests on our consolidated balance sheet by approximately $462.3 million (of which $377.9 million related to real estate held for investment), approximately $28.1 million and approximately $190.7 million, respectively.

2.    Acquisitions

Development Project Acquisitions

During the nine months ended September 30, 2022, we acquired the following development site from an unrelated third party.

Property	Date of Acquisition	Submarket	Purchase Price (in millions) (1)
10615 Burnet Road, Austin, TX	March 9, 2022	Stadium District / Domain	$	40.0

________________________ 

(1)Excludes acquisition-related costs.

3.    Dispositions

Operating Property Dispositions

The following table summarizes the one operating property sold during the nine months ended September 30, 2022:

Property	Month of Disposition	Number of Buildings	Rentable Square Feet	Sales Price (in millions) (1)
3130 Wilshire Boulevard, Santa Monica, CA	August	1	96,085	$	48.0

___________________________

(1)Represents gross sales price before the impact of broker commissions, closing costs and purchase price credits.

The total gain on the sale of the operating property sold during the nine months ended September 30, 2022 was $17.3 million.    

13

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

4.    Secured and Unsecured Debt of the Operating Partnership

The Company generally guarantees all of the Operating Partnership’s unsecured debt obligations including the unsecured revolving credit facility and all of the unsecured senior notes.

Unsecured Revolving Credit Facility

The following table summarizes the balance and terms of our unsecured revolving credit facility as of September 30, 2022 and December 31, 2021:

	September 30, 2022			December 31, 2021
	(in thousands)
Outstanding borrowings	$	—		$	—
Remaining borrowing capacity	1,100,000			1,100,000
Total borrowing capacity (1)	$	1,100,000		$	1,100,000
Interest rate (2)	4.04		%	1.00		%
Facility fee-annual rate (3)	0.200%
Maturity date	July 2025

________________________

(1)We may elect to borrow, subject to bank approval and obtaining commitments for any additional borrowing capacity, up to an additional $500.0 million under an accordion feature under the terms of the unsecured revolving credit facility.

(2)Our unsecured revolving credit facility interest rate was calculated based on the contractual rate of LIBOR plus 0.900% as of September 30, 2022 and December 31, 2021.

(3)Our facility fee is paid on a quarterly basis and is calculated based on the total borrowing capacity. In addition to the facility fee, we incurred debt origination and legal costs. As of September 30, 2022 and December 31, 2021, $5.8 million and $7.3 million of unamortized deferred financing costs, respectively, which are included in prepaid expenses and other assets, net on our consolidated balance sheets, remained to be amortized through the respective maturity dates presented of our unsecured revolving credit facility.

The Company intends to borrow under the unsecured revolving credit facility from time to time for general corporate purposes, to finance development and redevelopment expenditures, to fund potential acquisitions and to potentially repay long-term debt and to supplement cash balances given uncertainties and volatility in market conditions.

Debt Covenants and Restrictions

The unsecured revolving credit facility, the unsecured senior notes, including the private placement notes, and certain other secured debt arrangements contain covenants and restrictions requiring us to meet certain financial ratios and reporting requirements. Some of the more restrictive financial covenants include a maximum ratio of total debt to total asset value, a minimum fixed-charge coverage ratio, a minimum unsecured debt ratio and a minimum unencumbered asset pool debt service coverage ratio. Noncompliance with one or more of the covenants and restrictions could result in the full principal balance of the associated debt becoming immediately due and payable. We believe we were in compliance with all of our debt covenants as of September 30, 2022.

Debt Maturities

The following table summarizes the stated debt maturities and scheduled amortization payments for all outstanding debt as of September 30, 2022:

Year	(in thousands)
Remaining 2022	$	1,409
2023	5,775
2024	431,006
2025	406,246
2026	401,317
2027	249,125
Thereafter	2,600,000
Total aggregate principal value (1)	$	4,094,878

________________________ 

(1)Includes gross principal balance of outstanding debt before the effect of the following at September 30, 2022: $20.4 million of unamortized deferred financing costs for the unsecured senior notes and secured debt and $6.6 million of unamortized discounts for the unsecured senior notes.

14

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Capitalized Interest and Loan Fees

The following table sets forth gross interest expense, including debt discount and deferred financing cost amortization, net of capitalized interest, for the three and nine months ended September 30, 2022 and 2021. The interest expense capitalized was recorded as a cost of development and redevelopment and increased the carrying value of undeveloped land and construction in progress.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands)
Gross interest expense	$	39,659	$	39,552	$	118,995	$	118,257
Capitalized interest and deferred financing costs	(19,677)		(23,447)		(58,267)		(58,428)
Interest expense	$	19,982	$	16,105	$	60,728	$	59,829

5.    Stockholders’ Equity of the Company

At-The-Market Stock Offering Program

Under our at-the-market stock offering program, which commenced in June 2018, we may offer and sell shares of our common stock having an aggregate gross sales price up to $500.0 million from time to time in “at-the-market” offerings. In connection with our at-the-market program, the Company may enter into forward equity sale agreements with certain financial institutions acting as forward purchasers whereby, at our discretion, the forward purchasers may borrow and sell shares of our common stock under our at-the-market program. The use of a forward equity sale agreement allows the Company to lock in a share price on the sale of shares of our common stock at the time the agreement is executed but defer settling the forward equity sale agreements and receiving the proceeds from the sale of shares until a later date. The Company did not have any outstanding forward equity sale agreements to be settled at September 30, 2022.

Since commencement of our current at-the-market program, we have completed sales of 3,594,576 shares of common stock through September 30, 2022. As of September 30, 2022, we may offer and sell shares of our common stock having an aggregate gross sales price up to approximately $214.2 million under our current at-the-market program. The Company did not complete any sales of common stock under the program during the nine months ended September 30, 2022.

6.    Noncontrolling Interests on the Company’s Consolidated Financial Statements

Common Units of the Operating Partnership

The Company owned an approximate 99.0% common general partnership interest in the Operating Partnership as of September 30, 2022, December 31, 2021 and September 30, 2021. The remaining approximate 1.0% common limited partnership interest as of September 30, 2022, December 31, 2021 and September 30, 2021 was owned by non-affiliated investors and certain of our executive officers and directors in the form of noncontrolling common units. There were 1,150,574 common units outstanding held by these investors, executive officers and directors as of September 30, 2022, December 31, 2021 and September 30, 2021.

The noncontrolling common units may be redeemed by unitholders for cash. Except under certain circumstances, we, at our option, may satisfy the cash redemption obligation with shares of the Company’s common stock on a one-for-one basis. If satisfied in cash, the value for each noncontrolling common unit upon redemption is the amount equal to the average of the closing quoted price per share of the Company’s common stock, par value $.01 per share, as reported on the NYSE for the ten trading days immediately preceding the applicable redemption date. The aggregate value upon redemption of the then-outstanding noncontrolling common units was $50.5 million and $76.2 million as of September 30, 2022 and December 31, 2021, respectively. This redemption value does not necessarily represent the amount that would be distributed with respect to each noncontrolling common unit in the event of our termination or liquidation. In the event of our termination or liquidation, it is expected in most cases that each common unit would be entitled to a liquidating distribution equal to the liquidating distribution payable in respect of each share of the Company’s common stock.

15

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

7.    Partners’ Capital of the Operating Partnership

Common Units Outstanding

The following table sets forth the number of common units held by the Company as the general partner and the number of common units held by non-affiliated investors and certain of our executive officers and directors in the form of common limited partner units as well as the ownership interest held on each respective date:

	September 30, 2022		December 31, 2021		September 30, 2021
Company owned common units in the Operating Partnership	116,877,453		116,464,169		116,461,683
Company owned general partnership interest	99.0	%	99.0	%	99.0	%
Non-affiliated investors and other common units of the Operating Partnership	1,150,574		1,150,574		1,150,574
Ownership interest of limited partnership interests	1.0	%	1.0	%	1.0	%

For further discussion of the redemption features of the common units not owned by the Company as of September 30, 2022 and December 31, 2021, refer to Note 6 “Noncontrolling Interests on the Company’s Consolidated Financial Statements.”

8.    Share-Based Compensation

Stockholder Approved Share-Based Incentive Compensation Plan

As of September 30, 2022, we maintained one share-based incentive compensation plan, the Kilroy Realty 2006 Incentive Award Plan, as amended (the “2006 Plan”). The Company has a currently effective registration statement registering 10.7 million shares of our common stock for possible issuance under our 2006 Plan. As of September 30, 2022, approximately 1.1 million shares were available for grant under the 2006 Plan. The calculation of shares available for grant is presented after taking into account a reserve for a sufficient number of shares to cover the vesting and payment of 2006 Plan awards that were outstanding on that date, including performance-based vesting awards at (i) levels actually achieved for the performance conditions (as defined below) for which the performance period has been completed and (ii) at maximum levels for the other performance and market conditions (as defined below) for awards still in a performance period.

2022 Share-Based Compensation Grants

In January 2022, the Executive Compensation Committee of the Company’s Board of Directors awarded 351,281 restricted stock units (“RSUs”) to certain officers of the Company under the 2006 Plan, which included 193,111 RSUs (at the target level of performance) that are subject to market and/or performance-based vesting requirements (the “2022 Performance-Based RSUs”) and 158,170 RSUs that are subject to time-based vesting requirements (the “2022 Time-Based RSUs”).

2022 Performance-Based RSU Grant

The 2022 Performance-Based RSUs are scheduled to vest at the end of a three year period (consisting of calendar years 2022-2024). A target number of 2022 Performance-Based RSUs were awarded, and the final number of 2022 Performance-Based RSUs that vest (which may be more or less than the target number) will be based upon (1) during the first calendar year of the three year performance measurement period, the achievement of pre-set FFO per share goals that applies to 100% of the Performance-Based RSUs awarded (the “FFO Performance Condition”) and (2) a performance measure that applies to 50% of the award based upon a measure of the Company’s average debt to EBITDA ratio for the three year performance period (the “Debt to EBITDA Ratio Performance Condition”) and a market measure that applies to the other 50% of the award based upon the relative ranking of the Company’s total stockholder return for the three year performance period compared to the total stockholder returns of an established comparison group of companies over the same period (the “Market Condition”). The 2022 Performance-Based RSUs are also subject to a three year service vesting provision (the “service vesting condition”) and are scheduled to cliff vest on the date the final vesting percentage is determined following the end of the three year performance period under the awards. The number of 2022 Performance-Based RSUs ultimately earned could fluctuate from the target number of 2022 Performance-Based RSUs granted based upon the levels of achievement for the FFO Performance Condition, the Debt to EBITDA Ratio Performance Condition, the Market Condition, and the extent to which the service vesting condition is satisfied. The estimate of the number of 2022 Performance-Based RSUs earned is evaluated quarterly during the performance period based on our estimate for each of the performance conditions measured against the applicable goals. During the nine months ended September 30, 2022, we recognized $6.2 million of compensation expense for the 2022 Performance-

16

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Based RSU grant, respectively. In the event we achieve a lower level of performance or fail to meet the FFO performance condition, we would reverse a portion or all of the $6.2 million of compensation expense. Compensation expense for the 2022 Performance-Based RSU grant is recognized on a straight-line basis over the requisite service period for each participant, which is generally the three year service period, except for one participant whose compensation expense is recognized on an accelerated basis, due to clauses that render a portion of the vesting conditions to be non-substantive.

Each 2022 Performance-Based RSU represents the right to receive one share of our common stock in the future, subject to, and as modified by the Company’s level of achievement of the FFO Performance, the Debt to EBITDA Ratio Performance Condition and the Market Condition. The fair value of the award was calculated using a Monte Carlo simulation pricing model based on the assumptions in the table below, which resulted in the following grant date fair value per share.

	Fair Value Assumptions
Valuation date	January 28, 2022
Fair value on valuation date (in millions)	$12.7
Fair value per share on valuation date (1)	$67.62
Expected share price volatility	36.0%
Risk-free interest rate	1.35%

________________________ 

(1)For one participant, the fair value per share on the valuation date for their 2022 Performance-Based RSUs is $70.00.

The computation of expected volatility was based on a blend of the historical volatility of our shares of common stock over a period of twice the remaining performance period as of the grant date and implied volatility data based on the observed pricing of six month publicly-traded options on shares of our common stock. The risk-free interest rate was based on the yield curve on zero-coupon U.S. Treasury STRIP securities in effect at January 28, 2022.

For the three and nine months ended September 30, 2022, we recorded compensation expense based upon the grant date fair value per share for each component multiplied by the estimated number of RSUs to be earned.

2022 Time-Based RSU Grant

The 2022 Time-Based RSUs are scheduled to vest in three equal annual installments beginning on January 5, 2023 through January 5, 2025. Compensation expense for the 2022 Time-Based RSUs is recognized on a straight-line basis over the requisite service period, which is generally the explicit service period except for one participant whose compensation expense is recognized on an accelerated basis, due to clauses that render a portion of the vesting conditions to be non-substantive. Each 2022 Time-Based RSU represents the right to receive one share of our common stock in the future, subject to continued employment through the applicable vesting date, unless accelerated upon separation of employment, provided certain conditions are met. The total grant date fair value of the 2022 Time-Based RSU awards was $10.0 million, which was based on the $63.05 closing share price of the Company’s common stock on the NYSE on the January 28, 2022 grant date.

2021 and 2020 Performance-Based RSUs

Compensation cost for the 2021 performance-based RSUs for the three and nine months ended September 30, 2022 assumes the 2021 debt to EBITDA ratio performance condition is met at 150% of the target level of achievement (175.0% for one participant). Compensation cost for the 2020 performance-based RSUs for the three and nine months ended September 30, 2022 assumes the 2020 debt to EBITDA ratio performance condition is met at 150% of the target level of achievement (175.0% for one participant).

Share-Based Compensation Cost Recorded During the Period

The total compensation cost for all share-based compensation programs was $10.3 million and $11.5 million for the three months ended September 30, 2022 and 2021, respectively, and $26.5 million and $32.3 million for the nine months ended September 30, 2022 and 2021, respectively. Of the total share-based compensation costs, $1.9 million and $5.0 million was capitalized as part of the real estate assets for the three and nine months ended September 30, 2022, respectively, and $2.4 million and $5.8 million was capitalized as part of the real estate assets for the three and nine months ended September 30, 2021, respectively. As of September 30, 2022, there was approximately $32.2 million of total unrecognized compensation cost related to nonvested incentive awards granted under share-based compensation arrangements that is expected to be recognized over a weighted-average period of 1.8 years. The remaining compensation cost related to these nonvested incentive awards had been recognized in periods prior to September 30, 2022.

17

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

9.    Rental Income and Future Minimum Rent

Our rental income is primarily comprised of payments defined under leases and are subject to scheduled fixed increases. Additionally, rental income includes variable payments for tenant reimbursements of property-related expenses and payments based on a percentage of tenant’s sales.

The table below sets forth the allocation of rental income between fixed and variable payments and net collectability reversals for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands)
Fixed lease payments	$	231,747	$	201,324	$	685,797	$	603,386
Variable lease payments	42,503		31,479		118,724		89,293
Net collectability reversals (1)	(1,704)		(2,083)		(191)		(2,830)
Total rental income	$	272,546	$	230,720	$	804,330	$	689,849

_____________________

(1)Represents adjustments to rental income related to our assessment of the collectability of amounts due under leases with our tenants, including recognition of deferred rent balances associated with tenants restored from a cash basis of revenue recognition to an accrual basis of revenue recognition and allowances for uncollectible receivables and leases deemed not probable of collection.

We have operating leases with tenants that expire at various dates through 2048 and are subject to scheduled fixed increases. Generally, the leases grant tenants renewal options. Leases also provide for additional rents based on certain operating expenses. Future contractual minimum rent under operating leases, which includes amounts contractually due from leases that are on a cash basis of reporting due to creditworthiness considerations, as of September 30, 2022 for future periods is summarized as follows:

Year Ending	(in thousands)
Remaining 2022	$	204,108
2023	817,762
2024	789,711
2025	757,013
2026	704,712
2027	643,100
Thereafter	2,349,492
Total (1)	$	6,265,898

_____________________

(1)Excludes residential leases and leases with a term of one year or less.

18

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

10.    Commitments and Contingencies

General

As of September 30, 2022, we had commitments of approximately $620.2 million, excluding our ground lease commitments, for contracts and executed leases directly related to our operating, development and redevelopment properties.

Environmental Matters

We follow the policy of evaluating all of our properties, including acquisition, development, redevelopment and existing stabilized portfolio properties, for the presence of hazardous or toxic substances. While there can be no assurance that a material environmental liability does not exist, we are not currently aware of any undisclosed environmental liability with respect to our stabilized portfolio properties that would have a material adverse effect on our financial condition, results of operations and cash flow, or that we believe would require additional disclosure or the recording of a loss contingency.

As of September 30, 2022, we had accrued environmental remediation liabilities of approximately $81.0 million recorded on our consolidated balance sheets in connection with certain of our in-process and future development projects. The accrued environmental remediation liabilities represent the remaining costs we estimate we will incur prior to and during the development process at various development acquisition sites. These estimates, which we developed with the assistance of third party experts, consist primarily of the removal of contaminated soil, treatment of contaminated groundwater in connection with dewatering efforts, performing environmental closure activities, constructing remedial systems and other related costs that are necessary when we develop new buildings at these sites.

We record estimated environmental remediation obligations for acquired properties at the acquisition date when we are aware of such costs and when such costs are probable of being incurred and can be reasonably estimated. Estimated costs related to development environmental remediation liabilities are recorded as an increase to the cost of the development project. Actual costs are recorded as a decrease to the liability when incurred. These accruals are adjusted as an increase or decrease to the development project costs and as an increase or decrease to the accrued environmental remediation liability if we obtain further information or circumstances change. The environmental remediation obligations recorded at September 30, 2022 were not discounted to their present values since the amount and timing of cash payments are not fixed. It is possible that we could incur additional environmental remediation costs in connection with these development projects. However, potential additional environmental costs for these development projects cannot be reasonably estimated at this time and certain changes in estimates could occur as the site conditions, final project timing, design elements, actual soil conditions and other aspects of the projects, which may depend upon municipal and other approvals beyond the control of the Company, are determined.

Other than the accrued environmental liabilities discussed above, we are not aware of any unasserted claims and assessments with respect to an environmental liability that we believe would require additional disclosure or the recording of an additional loss contingency.

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KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

11.    Fair Value Measurements and Disclosures

Assets and Liabilities Reported at Fair Value

The only assets we record at fair value on our consolidated financial statements are the marketable securities related to our Deferred Compensation Plan. The following table sets forth the fair value of our marketable securities as of September 30, 2022 and December 31, 2021:

	Fair Value (Level 1) (1)
	September 30, 2022		December 31, 2021
Description	(in thousands)
Marketable securities (2)	$	22,390	$	27,475

________________________

(1)    Based on quoted prices in active markets for identical securities.

(2)    The marketable securities are held in a limited rabbi trust.

Financial Instruments Disclosed at Fair Value

The following table sets forth the carrying value and the fair value of our other financial instruments as of September 30, 2022 and December 31, 2021:

	September 30, 2022				December 31, 2021
	Carrying Value		Fair Value (1)		Carrying Value		Fair Value (1)
	(in thousands)
Liabilities
Secured debt, net	$	244,316	$	233,002	$	248,367	$	269,687
Unsecured debt, net	$	3,823,532	$	3,303,591	$	3,820,383	$	4,105,408

________________________

(1)Fair value calculated using Level 2 inputs, which are based on model-derived valuations in which significant inputs and significant value drivers are observable in active markets.

20

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

12.    Net Income Available to Common Stockholders Per Share of the Company

The following table reconciles the numerator and denominator in computing the Company’s basic and diluted per-share computations for net income available to common stockholders for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands, except share and per share amounts)
Numerator:
Net income available to common stockholders	$	79,757	$	47,028	$	179,990	$	580,498
Allocation to participating securities (1)	(287)		(388)		(980)		(1,124)
Numerator for basic and diluted net income available to common stockholders	$	79,470	$	46,640	$	179,010	$	579,374
Denominator:
Basic weighted average vested shares outstanding	116,872,953		116,456,796		116,782,621		116,418,113
Effect of dilutive securities	369,458		505,884		380,528		476,321
Diluted weighted average vested shares and common stock equivalents outstanding	117,242,411		116,962,680		117,163,149		116,894,434
Basic earnings per share:
Net income available to common stockholders per share	$	0.68	$	0.40	$	1.53	$	4.98
Diluted earnings per share:
Net income available to common stockholders per share	$	0.68	$	0.40	$	1.53	$	4.96

________________________ 

(1)Participating securities include certain time-based RSUs and vested market measure-based RSUs.

Share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are considered participating securities. The impact of potentially dilutive common shares, including stock options and RSUs are considered in our diluted earnings per share calculation for the three and nine months ended September 30, 2022 and 2021. Certain market measure-based RSUs are not included in dilutive securities for the three and nine months ended September 30, 2022 and 2021, as not all performance metrics had been met by the end of the applicable reporting periods. See Note 8 “Share-Based Compensation” for additional information regarding share-based compensation.

21

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

13.    Net Income Available to Common Unitholders Per Unit of the Operating Partnership

The following table reconciles the numerator and denominator in computing the Operating Partnership’s basic and diluted per-unit computations for net income available to common unitholders for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands, except unit and per unit amounts)
Numerator:
Net income available to common unitholders	$	80,421	$	47,488	$	181,685	$	586,198
Allocation to participating securities (1)	(287)		(388)		(980)		(1,124)
Numerator for basic and diluted net income available to common unitholders	$	80,134	$	47,100	$	180,705	$	585,074
Denominator:
Basic weighted average vested units outstanding	118,023,527		117,607,370		117,933,195		117,568,687
Effect of dilutive securities	369,458		505,884		380,528		476,321
Diluted weighted average vested units and common unit equivalents outstanding	118,392,985		118,113,254		118,313,723		118,045,008
Basic earnings per unit:
Net income available to common unitholders per unit	$	0.68	$	0.40	$	1.53	$	4.98
Diluted earnings per unit:
Net income available to common unitholders per unit	$	0.68	$	0.40	$	1.53	$	4.96

________________________ 

(1)Participating securities include certain time-based RSUs and vested market measure-based RSUs.

    Share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are considered participating securities. The impact of potentially dilutive common units, including stock options and RSU are considered in our diluted earnings per share calculation for the three and nine months ended September 30, 2022 and 2021. Certain market measure-based RSUs are not included in dilutive securities for the three and nine months ended September 30, 2022 and 2021, as not all performance metrics had been met by the end of the applicable reporting periods. See Note 8 “Share-Based Compensation” for additional information regarding share-based compensation.

22

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

14.    Supplemental Cash Flow Information of the Company

Supplemental cash flow information follows (in thousands):

	Nine Months Ended September 30,
	2022		2021
SUPPLEMENTAL CASH FLOWS INFORMATION:
Cash paid for interest, net of capitalized interest of $55,080 and $55,423 as of September 30, 2022 and 2021, respectively	$	43,838	$	47,832
Cash paid for amounts included in the measurement of ground lease liabilities	$	4,719	$	4,939
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	$	97,014	$	79,891
Tenant improvements funded directly by tenants	$	7,397	$	8,179
Assumption of accrued liabilities in connection with acquisitions	$	—	$	37,572
Initial measurement of operating right of use ground lease assets	$	—	$	46,430
Initial measurement of operating ground lease liabilities	$	—	$	46,430
NON-CASH FINANCING TRANSACTIONS:
Accrual of dividends and distributions payable to common stockholders and common unitholders (Note 16)	$	64,271	$	61,845

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,
	2022		2021
	(in thousands)
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	414,077	$	731,991
Restricted cash at beginning of period	13,006		91,139
Cash and cash equivalents and restricted cash at beginning of period	$	427,083	$	823,130
Cash and cash equivalents at end of period	$	249,981	$	348,417
Restricted cash at end of period	13,009		13,042
Cash and cash equivalents and restricted cash at end of period	$	262,990	$	361,459

15.    Supplemental Cash Flow Information of the Operating Partnership:

Supplemental cash flow information follows (in thousands):

	Nine Months Ended September 30,
	2022		2021
SUPPLEMENTAL CASH FLOWS INFORMATION:
Cash paid for interest, net of capitalized interest of $55,080 and $55,423 as of September 30, 2022 and 2021, respectively	$	43,838	$	47,832
Cash paid for amounts included in the measurement of ground lease liabilities	$	4,719	$	4,939
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	$	97,014	$	79,891
Tenant improvements funded directly by tenants	$	7,397	$	8,179
Assumption of accrued liabilities in connection with acquisitions	$	—	$	37,572
Initial measurement of operating right of use ground lease assets	$	—	$	46,430
Initial measurement of operating ground lease liabilities	$	—	$	46,430
NON-CASH FINANCING TRANSACTIONS:
Accrual of distributions payable to common unitholders (Note 16)	$	64,271	$	61,845

23

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,
	2022		2021
	(in thousands)
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	414,077	$	731,991
Restricted cash at beginning of period	13,006		91,139
Cash and cash equivalents and restricted cash at beginning of period	$	427,083	$	823,130
Cash and cash equivalents at end of period	$	249,981	$	348,417
Restricted cash at end of period	13,009		13,042
Cash and cash equivalents and restricted cash at end of period	$	262,990	$	361,459

16.    Subsequent Events

On October 12, 2022, aggregate dividends, distributions and dividend equivalents of $64.3 million were paid to common stockholders, common unitholders and RSU holders of record on September 30, 2022.

On October 3, 2022, the Operating Partnership entered into a $400.0 million unsecured term loan facility and made an initial draw of $200.0 million. The borrowing rate under the unsecured term loan facility is variable and subject to a ratings-based pricing grid, currently calculated as one-month Adjusted Secured Overnight Financing Rate ("SOFR") plus 95-basis points. The unsecured term loan facility also has a delayed draw feature and a $100.0 million accordion mechanism, subject to lender commitments. The unsecured term loan facility is scheduled to mature in October 2024 and includes two twelve-month extension options at the Company’s option.

In connection with entering into the unsecured term loan facility, the Company amended its unsecured Revolving Credit Agreement to replace the LIBOR-based interest rate option with a SOFR-based interest rate option for its loan borrowings.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF

OPERATIONS

The following discussion relates to our consolidated financial statements and should be read in conjunction with the financial statements and notes thereto appearing elsewhere in this report. The results of operations discussion is combined for the Company and the Operating Partnership because there are no material differences in the results of operations between the two reporting entities.

Forward-Looking Statements

Statements contained in this “Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations” that are not historical facts may be forward-looking statements. Forward-looking statements include, among other things, statements or information concerning our plans, objectives, capital resources, portfolio performance, results of operations, projected future occupancy and rental rates, lease expirations, debt maturities, potential investments, strategies such as capital recycling, development and redevelopment activity, projected construction costs, projected construction commencement and completion dates, projected square footage of space that could be constructed on undeveloped land that we own, projected rentable square footage of or number of units in properties under construction or in the development pipeline, anticipated proceeds from capital recycling activity or other dispositions and anticipated dates of those activities or dispositions, projected increases in the value of properties, dispositions, future executive incentive compensation, pending, potential or proposed acquisitions, plans to grow our Net Operating Income and FFO, our ability to re-lease properties at or above current market rates, anticipated market conditions and demographics and other forward-looking financial data, as well as the discussion in “—Factors That May Influence Future Results of Operations,” “—Liquidity and Capital Resource of the Company,” and “—Liquidity and Capital Resources of the Operating Partnership.” Forward-looking statements can be identified by the use of words such as “believes,” “expects,” “projects,” “may,” “will,” “should,” “seeks,” “approximately,” “intends,” “plans,” “pro forma,” “estimates” or “anticipates” and the negative of these words and phrases and similar expressions that do not relate to historical matters. Forward-looking statements are based on our current expectations, beliefs and assumptions, and are not guarantees of future performance. Forward-looking statements are inherently subject to uncertainties, risks, changes in circumstances, trends and factors that are difficult to predict, many of which are outside of our control. Accordingly, actual performance, results and events may vary materially from those indicated or implied in the forward-looking statements, and you should not rely on the forward-looking statements as predictions of future performance, results or events. Numerous factors could cause actual future performance, results and events to differ materially from those indicated in the forward-looking statements, including, among others: global market and general economic conditions, including periods of heightened inflation, and their effect on our liquidity and financial conditions and those of our tenants; adverse economic or real estate conditions generally, and specifically, in the States of California, Texas and Washington; risks associated with our investment in real estate assets, which are illiquid and with trends in the real estate industry; defaults on or non-renewal of leases by tenants; any significant downturn in tenants’ businesses; our ability to re-lease property at or above current market rates; costs to comply with government regulations, including environmental remediation; the availability of cash for distribution and debt service and exposure to risk of default under debt obligations; increases in interest rates and our ability to manage interest rate exposure; the availability of financing on attractive terms or at all, which may adversely impact our future interest expense and our ability to pursue development, redevelopment and acquisition opportunities and refinance existing debt; a decline in real estate asset valuations, which may limit our ability to dispose of assets at attractive prices or obtain or maintain debt financing, and which may result in write-offs or impairment charges; significant competition, which may decrease the occupancy and rental rates of properties; potential losses that may not be covered by insurance; the ability to successfully complete acquisitions and dispositions on announced terms; the ability to successfully operate acquired, developed and redeveloped properties; the ability to successfully complete development and redevelopment projects on schedule and within budgeted amounts; delays or refusals in obtaining all necessary zoning, land use and other required entitlements, governmental permits and authorizations for our development and redevelopment properties; increases in anticipated capital expenditures, tenant improvement and/or leasing costs; defaults on leases for land on which some of our properties are located; adverse changes to, or enactment or implementations of, tax laws or other applicable laws, regulations or legislation, as well as business and consumer reactions to such changes; risks associated with joint venture investments, including our lack of sole decision-making authority, our reliance on co-venturers’ financial condition and disputes between us and our co-venturers; environmental uncertainties and risks related to natural disasters; our ability to maintain our status as a REIT; and uncertainties regarding the impact of the COVID-19 pandemic, and restrictions intended to prevent its spread, on our business and the economy generally. The factors included in this report are not exhaustive and additional factors could adversely affect our business and financial performance. For a discussion of additional factors that could materially adversely affect the Company’s and the Operating Partnership’s business and financial performance, see the discussion below, as well as in “Part I, Item 1A. Risk Factors” and “Part II, Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” in the Company’s and the Operating Partnership’s annual report on Form 10-K for the year ended December 31, 2021 and their

25

respective other filings with the SEC. All forward-looking statements are based on information that was available and speak only as of the dates on which they were made. We assume no obligation to update any forward-looking statement that becomes untrue because of subsequent events, new information or otherwise, except to the extent we are required to do so in connection with our ongoing requirements under federal securities laws.

Overview and Background

We are a self-administered REIT active in premier office, life science and mixed-use submarkets in the United States. We own, develop, acquire and manage real estate assets, consisting primarily of Class A properties in Greater Los Angeles, San Diego County, the San Francisco Bay Area, Greater Seattle and Austin, Texas, which we believe have strategic advantages and strong barriers to entry. We own our interests in all of our real properties through the Operating Partnership and generally conduct substantially all of our operations through the Operating Partnership. We owned an approximate 99.0% general partnership interest in the Operating Partnership as of September 30, 2022, December 31, 2021 and September 30, 2021. As of September 30, 2022, all of our properties are held in fee except for the fourteen office buildings that are held subject to long-term ground leases for the land.

Factors That May Influence Future Results of Operations

Development and Redevelopment Programs

We believe that a portion of our long-term future growth will continue to come from the completion of our in-process development projects and redevelopment projects and, subject to market conditions, executing on our future development pipeline, including expanding entitlements. Over the past several years, we increased our focus on development and redevelopment opportunities and expanded our future development pipeline through targeted acquisitions of development opportunities on the West Coast and in Austin, Texas.

We have a proactive planning process by which we continually evaluate the size, timing, costs and scope of our development and redevelopment programs and, as necessary, scale activity to reflect the economic conditions and the real estate fundamentals that exist in our submarkets. We expect to execute on our development and redevelopment programs with prudence and will be pursuing opportunities with attractive economic returns in strategic locations with proximity to public transportation or transportation access and retail amenities and in markets with strong fundamentals and visible demand. We plan to develop in phases, as appropriate, and we generally favor starting projects with pre-leasing activity.

Stabilized Development Projects

During the nine months ended September 30, 2022, we completed and added the following development and redevelopment projects to our stabilized portfolio:

•333 Dexter, South Lake Union, Seattle, Washington. We commenced construction on this project in June 2017. This project totals 618,766 square feet of office space at a total estimated investment of $385.0 million and 100% of the project is leased to a global technology company. In June 2020, we completed construction and commenced revenue recognition on the first phase of the project, and in April 2022, we completed construction and commenced revenue recognition on the remaining phases of the project.

•2100 Kettner, Little Italy, San Diego, California. We commenced construction on this project in September 2019. This project is comprised of 204,682 square feet of office space for a total estimated investment of $140.0 million. In August 2022, we added the project to the stabilized portfolio. The project is 14% leased.

•12340 El Camino Real, Del Mar, San Diego, California. In December 2021, we began the phased redevelopment of this property, comprised of 109,307 square feet, for life science use with total estimated redevelopment costs of $40.0 million, inclusive of the depreciated basis of the building. The project is 100% leased to a life science tenant.

•12400 High Bluff Drive, Del Mar, San Diego, California. In March 2022, we began the phased redevelopment of this property. We executed a lease with a life science tenant for 181,949 square feet of this property, of which we redeveloped 144,000 square feet at total estimated redevelopment costs of $50.0 million, inclusive of 66% of the depreciated basis of the building which was subject to redevelopment.

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In-Process Development Projects - Tenant Improvement

As of September 30, 2022, the following project was in the tenant improvement phase:

•Indeed Tower, Austin CBD, Austin, Texas. We acquired this project upon core/shell completion in June 2021. This project encompasses approximately 734,000 square feet of office space at a total estimated investment of $690.0 million and is 68% leased to 11 tenants with 42% of the space leased to Indeed.com through 2034. We currently expect this project to reach stabilization in the first quarter of 2024.

In-Process Development Projects - Under Construction

As of September 30, 2022, we had two projects in our in-process development pipeline that were under construction:

•Kilroy Oyster Point (Phase 2), South San Francisco, California. In June 2021, we commenced construction on Phase 2 of this 39-acre life science campus situated on the waterfront in South San Francisco. The second phase encompasses approximately 875,000 square feet of office space across three buildings at a total estimated investment of $940.0 million.

•9514 Towne Centre Drive, University Towne Center, San Diego, California. In September 2021, we commenced construction on this project, which is comprised of approximately 71,000 square feet of office space at a total estimated investment of $60.0 million. The building is 100% leased.

In-Process Redevelopment - Under Construction

As of September 30, 2022, we had one redevelopment project under construction:

•4690 Executive Drive, University Towne Center, San Diego, California. In March 2022, we began the phased redevelopment of this property, comprised of approximately 52,000 square feet, in phases, for life science use. We expect to complete redevelopment of the project in the third quarter of 2023 with total estimated redevelopment costs of $25.0 million, inclusive of the depreciated basis of the building. The project is 100% leased to a life science tenant.

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Future Development Pipeline

As of September 30, 2022, our future development pipeline included eight future projects located in Greater Los Angeles, San Diego County, the San Francisco Bay Area, Greater Seattle and Austin with an aggregate cost basis of approximately $1.2 billion at which we believe we could develop more than 6.0 million rentable square feet for a total estimated investment of approximately $6.3 billion to $7.3 billion, depending on successfully obtaining entitlements and market conditions.

The following table sets forth information about our future development pipeline.

Future Development Pipeline	Location	Approx. Developable Square Feet (1)	Total Costs as of 9/30/2022 ($ in millions) (2)
Greater Los Angeles
1633 26th Street (3)	West Los Angeles	190,000	$	14.6
San Diego County
Santa Fe Summit South / North	56 Corridor	600,000 - 650,000	107.3
2045 Pacific Highway	Little Italy	275,000	55.2
Kilroy East Village	East Village	TBD	65.0
San Francisco Bay Area
Kilroy Oyster Point - Phases 3 and 4	South San Francisco	875,000 - 1,000,000	214.5
Flower Mart	SOMA	2,300,000	505.4
Greater Seattle
SIX0 - Office & Residential	Denny Regrade	925,000	168.0
Austin
Stadium Tower	Stadium District / Domain	493,000	54.8
Total:			$	1,184.8

________________________

(1)The developable square feet and scope of projects could change materially from estimated data provided due to one or more of the following: any significant changes in the economy, market conditions, our markets, tenant requirements and demands, construction costs, new supply, regulatory and entitlement processes or project design.

(2)Represents cash paid and costs incurred, including accrued liabilities in accordance with GAAP, as of September 30, 2022.

(3)Project moved from the stabilized portfolio to the future development pipeline in the second quarter of 2022.

Fluctuations in our development activities could cause fluctuations in the average development asset balances qualifying for interest and other carrying cost and internal cost capitalization in future periods. During the three and nine months ended September 30, 2022, we capitalized interest on in-process development projects and future development pipeline projects with an average aggregate cost basis of approximately $2.0 billion, as it was determined these projects qualified for interest and other carrying cost capitalization under GAAP. During the three and nine months ended September 30, 2021, we capitalized interest on in-process development projects and future development pipeline projects with an average aggregate cost basis of approximately $2.3 billion and $2.0 billion, respectively, as it was determined these projects qualified for interest and other carrying cost capitalization under GAAP. In the event of an extended cessation of development activities, such projects may potentially no longer qualify for capitalization of interest or other carrying costs. For the three and nine months ended September 30, 2022, we capitalized $19.7 million and $58.3 million, respectively, of interest to our qualifying development and redevelopment projects. For the three and nine months ended September 30, 2021, we capitalized $23.4 million and $58.4 million, respectively, of interest to our qualifying development and redevelopment projects. For the three and nine months ended September 30, 2022, we capitalized $5.3 million and $15.5 million, respectively, of internal costs to our qualifying development and redevelopment projects. For the three and nine months ended September 30, 2021, we capitalized $5.5 million and $15.9 million, respectively, of internal costs to our qualifying development and redevelopment projects. While we did not have any variable-rate debt outstanding during the nine months ended September 30, 2022, our interest expense and capitalized interest may increase in 2022 to the extent that we borrow amounts on our unsecured revolving credit facility, for which interest is calculated at the contractual rate of SOFR plus 95-basis points.

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Capital Recycling Program. We continuously evaluate opportunities for the potential disposition of non-core properties and undeveloped land in our portfolio or the formation of strategic ventures with the intent of recycling the proceeds generated into capital used to fund new operating and development acquisitions, to finance development and redevelopment expenditures, to repay long-term debt and for other general corporate purposes. As part of this strategy, we attempt to enter into Section 1031 Exchanges and other tax deferred transaction structures, when possible, to defer some or all of the taxable gains on the sales, if any, for federal and state income tax purposes. See the “Liquidity and Capital Resources of the Operating Partnership – Liquidity Sources” section for further discussion of our capital recycling activities.

In connection with our capital recycling strategy, during the nine months ended September 30, 2022, we completed the sale of one operating property to an unaffiliated third party for gross proceeds of $48.0 million. The timing of any potential future disposition or strategic venture transactions will depend on market conditions and other factors, including but not limited to our capital needs, the availability of financing for potential buyers (which has been and may continue to be constrained for some potential buyers due to the current economic and market conditions), and our ability to defer some or all of the taxable gains on the sales. We cannot assure that we will dispose of any additional properties, enter into any additional strategic ventures, or that we will be able to identify and complete the acquisition of a suitable replacement property to effect a Section 1031 Exchange or be able to use other tax deferred structures in connection with our strategy. See the “Liquidity and Capital Resources of the Operating Partnership – Liquidity Sources” section for further information.

Acquisitions. During the nine months ended September 30, 2022, we acquired one development site in one transaction for a total cash purchase price of $40.0 million. As part of our growth strategy, which is highly dependent on market conditions and business cycles, among other factors, we continue to evaluate strategic opportunities and remain a disciplined buyer of development and redevelopment opportunities as well as value-add and strategic operating properties and land. We focus on growth opportunities primarily in markets populated by knowledge and creative-based tenants in a variety of industries, including technology, media, healthcare, life sciences, entertainment and professional services.  Against the backdrop of market volatility, we expect to manage a strong balance sheet, execute on our development and redevelopment programs and selectively evaluate opportunities that we believe have the potential to either add immediate Net Operating Income to our portfolio or play a strategic role in our future growth.

In connection with our growth strategy, we often have one or more potential acquisitions of properties and/or undeveloped land under consideration that are in varying stages of negotiation and due diligence review, or under contract, at any point in time. However, we cannot provide assurance that we will enter into any agreements to acquire properties or undeveloped land, or that the potential acquisitions contemplated by any agreements we may enter into in the future will be completed. In addition, acquisitions are subject to various risks and uncertainties and we may be unable to complete an acquisition after making a nonrefundable deposit or incurring acquisition-related costs.

Incentive Compensation. Our Executive Compensation Committee determines compensation, including cash bonuses and equity incentives, for our executive officers, as defined in Rule 16 under the Exchange Act. For 2022, the annual cash bonus program was structured to allow the Executive Compensation Committee to evaluate a variety of key quantitative and qualitative metrics at the end of the year and make a determination based on the Company’s and management’s overall performance. Our Executive Compensation Committee also grants equity incentive awards from time to time that include performance-based and/or market-measure based vesting requirements and time-based vesting requirements. As a result, accrued incentive compensation and compensation expense for future awards may be affected by our operating and development performance, financial results, stock price, performance against applicable performance-based vesting goals, market conditions, liquidity measures and other factors. Consequently, we cannot predict the amounts that will be recorded in future periods related to such incentive compensation.

As of September 30, 2022, there was approximately $32.2 million of total unrecognized compensation cost related to outstanding nonvested RSUs issued under share-based compensation arrangements. Those costs are expected to be recognized over a weighted-average period of 1.8 years. The ultimate amount of compensation cost recognized related to outstanding nonvested RSUs issued under share-based compensation arrangements may vary for performance-based RSUs that are still in the performance period based on performance against applicable performance-based vesting goals. The $32.2 million of unrecognized compensation cost does not reflect the future compensation cost for any potential share-based awards that may be issued subsequent to September 30, 2022. Share-based compensation expense for potential future awards could be affected by our operating and development performance, financial results, stock price, performance against applicable performance-based vesting goals, market conditions and other factors. For additional information regarding our equity incentive awards, see Note 8 “Share-Based Compensation” to our consolidated financial statements included in this report.

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Information on Leases Commenced and Executed

Leasing Activity and Changes in Rental Rates. The amount of net rental income generated by our properties depends principally on our ability to maintain the occupancy rates of currently leased space and to lease currently available space, newly developed or redeveloped properties, newly acquired properties with vacant space, and space available from unscheduled lease terminations. The amount of rental income we generate also depends on our ability to maintain or increase rental rates in our submarkets. Negative trends in one or more of these factors could adversely affect our rental income in future periods. The following tables set forth certain information regarding leasing activity during the three and nine months ended September 30, 2022.

For Leases Commenced (1)

Quarter to Date	Number of Leases (2)		Rentable Square Feet (2)		Weighted Average Lease Term (in months)	TI/LC per Sq. Ft. (3)		TI/LC per Sq. Ft. / Year		Changes in Rents (4)		Changes in Cash Rents (5)		Retention Rates (6)
	New	Renewal	New	Renewal
2nd Generation (7)	12	10	107,282	110,726	70	$	42.32	$	7.25	23.3	%	7.5	%	58.6	%
Development Leasing (8)	2	—	242,400	—	142	149.84		12.40
Total	14	10	349,682	110,726

Year to Date	Number of Leases (2)		Rentable Square Feet (2)		Weighted Average Lease Term (in months)	TI/LC per Sq. Ft. (3)		TI/LC per Sq. Ft. / Year		Changes in Rents (4)		Changes in Cash Rents (5)		Retention Rates (6)
	New	Renewal	New	Renewal
2nd Generation (7)	36	23	305,173	205,668	72	$	53.21	$	8.87	24.5	%	8.0	%	30.2	%
Development Leasing (8)	8	1	576,794	945	138	134.50		11.70
Total	44	24	881,967	206,613

For Leases Executed (1)(9)

Quarter to Date	Number of Leases (2)		Rentable Square Feet (2)		Weighted Average Lease Term (in months)	TI/LC per Sq. Ft. (3)		TI/LC per Sq. Ft. / Year		Changes in Rents (4)		Changes in Cash Rents (5)		Retention Rates (6)
	New	Renewal	New	Renewal
2nd Generation (7)	4	10	15,822	110,726	74	$	41.08	$	6.66	16.8	%	1.2	%	58.6	%
Development Leasing (8)	1	—	5,524	—	87	102.69		14.16
Total	5	10	21,346	110,726

Year to Date	Number of Leases (2)		Rentable Square Feet (2)		Weighted Average Lease Term (in months)	TI/LC per Sq. Ft. (3)		TI/LC per Sq. Ft. / Year		Changes in Rents (4)		Changes in Cash Rents (5)		Retention Rates (6)
	New	Renewal	New	Renewal
2nd Generation (7)	32	23	327,234	205,668	87	$	77.93	$	10.75	29.4	%	10.5	%	30.2	%
Development Leasing (8)	4	1	31,075	945	115	138.70		14.47
Total	36	24	358,309	206,613

________________________

(1)Includes 100% of consolidated property partnerships.

(2)Represents leasing activity for leases that commenced or were signed during the period in the stabilized and development and redevelopment portfolios, net of month-to-month leases.

(3)Tenant improvements and leasing commissions per square foot exclude tenant-funded tenant improvements.

(4)Calculated as the change between GAAP rents for new/renewed leases and the expiring GAAP rents for the same space. Space that was vacant when the property was acquired is excluded from our change in rents calculations to provide a more meaningful market comparison.

(5)Calculated as the change between stated rents for new/renewed leases and the expiring stated rents for the same space. Space that was vacant when the property was acquired is excluded from our change in rents calculations to provide a more meaningful market comparison.

(6)Calculated as the percentage of space either renewed or expanded into by existing tenants or subtenants at lease expiration.

(7)Second generation leasing includes space where we have made capital expenditures to maintain the current market revenue stream. Includes leases for which re-leasing timing was impacted by the COVID-19 pandemic.

(8)Represents leases commenced or executed on new construction added to the stabilized portfolio, as well as in our development and redevelopment portfolios where we have made capital expenditures that result in additional revenue generated when the space was re-leased.

(9)During the three months ended September 30, 2022, 4 new leases totaling 18,994 rentable square feet were signed but not commenced. During the nine months ended September 30, 2022, 14 new leases totaling 249,115 rentable square feet were signed but not commenced.

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As of September 30, 2022, we believe that the weighted average cash rental rates for our total stabilized portfolio are approximately 10-15% below the current average market rental rates. Individual properties within any particular submarket presently may be leased either above, below, or at the current market rates within that submarket, and the average rental rates for individual submarkets may be above, below, or at the average cash rental rate or our portfolio.

Our rental rates and occupancy are impacted by general economic conditions, including the pace of regional economic growth and access to capital. Therefore, we cannot give any assurance that leases will be renewed or that available space will be re-leased at rental rates equal to or above the current market rates.

As restrictions intended to prevent the spread of COVID-19 have been lifted, we have continued to see an increase in prospective tenant tours, inquiries and leasing activity as compared to 2020 levels. While we do not believe that our development leasing and ability to renew leases scheduled to expire has been significantly impacted by the COVID-19 pandemic, we do believe that the economic uncertainty caused by the timing and extent of employees returning to offices have impacted the timing and volume of leasing and may continue to do so in the future. Additionally, decreased demand, increased competition (including sublease space available from our tenants) and other negative trends or unforeseeable events that impair our ability to timely renew or re-lease space could have further negative effects on our future financial condition, results of operations, and cash flows.

Scheduled Lease Expirations. The following tables set forth certain information regarding our lease expirations for our stabilized portfolio for the remainder of 2022 and the next five years and by region for the remainder of 2022 and in 2023.

Lease Expirations (1)

Year of Lease Expiration	Number of Expiring Leases	Total Square Feet	% of Total Leased Sq. Ft.		Annualized Base Rent (2)(3)		% of Total Annualized Base Rent (2)		Annualized Base Rent per Sq. Ft. (2)
					(in thousands)
Remainder of 2022 (4)	13	167,513	1.2	%	$	8,209	1.0	%	$	49.01
2023	74	1,460,908	10.1	%	73,910		9.1	%	50.59
2024	74	1,065,700	7.4	%	48,716		6.0	%	45.71
2025	63	737,320	5.1	%	36,680		4.5	%	49.75
2026	53	1,888,161	13.0	%	89,148		11.0	%	47.21
2027	62	1,244,247	8.6	%	50,021		6.2	%	40.20
Total	339	6,563,849	45.4	%	$	306,684	37.8	%	$	46.72

Year	Region	# of Expiring Leases	Total Square Feet	% of Total Leased Sq. Ft.		Annualized Base Rent (2)(3)		% of Total Annualized Base Rent (2)		Annualized Rent per Sq. Ft. (2)
						( in thousands)
2022 (4)	Greater Los Angeles	10	133,367	0.9	%	$	6,302	0.8	%	$	47.25
	San Diego County	2	4,648	—	%	200		—	%	43.03
	San Francisco Bay Area	1	29,498	0.3	%	1,707		0.2	%	57.87
	Greater Seattle	—	—	—	%	—		—	%	—
	Total	13	167,513	1.2	%	$	8,209	1.0	%	$	49.01
2023	Greater Los Angeles	45	443,004	3.1	%	$	22,766	2.8	%	$	51.39
	San Diego County	9	174,914	1.2	%	7,670		0.9	%	43.85
	San Francisco Bay Area	15	378,089	2.6	%	23,592		2.9	%	62.40
	Greater Seattle	5	464,901	3.2	%	19,882		2.5	%	42.77
	Total	74	1,460,908	10.1	%	$	73,910	9.1	%	$	50.59

________________________ 

(1)For leases that have been renewed early with existing tenants, the expiration date and annualized base rent information presented takes into consideration the renewed lease terms. Excludes leases not commenced as of September 30, 2022, space leased under month-to-month leases, storage leases, vacant space and future lease renewal options not executed as of September 30, 2022.

(2)Annualized base rent includes the impact of straight-lining rent escalations and the amortization of free rent periods and excludes the impact of the following: amortization of deferred revenue related tenant-funded tenant improvements, amortization of above/below market rents, amortization for lease incentives due under existing leases and expense reimbursement revenue. Additionally, the underlying leases contain various expense structures, including full service gross, modified gross and triple net. Percentages represent percentage of total portfolio annualized contractual base rental revenue. For additional information on tenant improvement and leasing commission costs incurred by the Company for the current reporting period, please see further discussion under the caption “Information on Leases Commenced and Executed.”

(3)Includes 100% of annualized base rent of consolidated property partnerships.

(4)Adjusting for leases executed as of September 30, 2022 but not yet commenced, the 2022 expirations would be reduced by 85,639 square feet.

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In addition to the 1.5 million rentable square feet, or 9.2%, of currently available space in our stabilized portfolio, leases representing approximately 1.2% and 10.1% of the occupied square footage of our stabilized portfolio are scheduled to expire during the remainder of 2022 and in 2023, respectively. The leases scheduled to expire during the remainder of 2022 and in 2023 represent approximately 1.6 million rentable square feet or 10.1% of our total annualized base rental revenue. Adjusting for leases executed as of September 30, 2022 but not yet commenced, the remaining 2022 expirations would be 81,874 square feet.

Sublease Space. Of our leased space as of September 30, 2022, approximately 1.2 million rentable square feet, or 7.2% of the square footage in our stabilized portfolio, was available for sublease, primarily in the San Francisco Bay Area region. Of the 7.2% of available sublease space in our stabilized portfolio as of September 30, 2022, approximately 5.5% was vacant space, and the remaining 1.7% was occupied. Of the approximately 1.2 million rentable square feet available for sublease as of September 30, 2022, no leases are scheduled to expire in 2022, and approximately 74,618 rentable square feet representing five leases are scheduled to expire in 2023.

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Stabilized Portfolio Information

As of September 30, 2022, our stabilized portfolio was comprised of 120 office and life science properties encompassing an aggregate of approximately 16.2 million rentable square feet and 1,001 residential units. Our stabilized portfolio includes all of our properties with the exception of development properties currently committed for construction, under construction or in the tenant improvement phase, redevelopment projects under construction, undeveloped land and real estate assets held for sale. We define redevelopment properties as those properties for which we expect to spend significant development and construction costs on the existing or acquired buildings pursuant to a formal plan, the intended result of which is a higher economic return on the property. We define properties in the tenant improvement phase as office and life science properties that we are developing or redeveloping where the project has reached cold shell condition and is ready for tenant improvements, which may require additional major base building construction before being placed in service. Projects in the tenant improvement phase are added to our stabilized portfolio once the project reaches the earlier of 95% occupancy or one year from the date of the cessation of major base building construction activities. Costs capitalized to construction in progress for development and redevelopment properties are transferred to land and improvements, buildings and improvements, and deferred leasing costs on our consolidated balance sheets at the historical cost of the property as the projects or phases of projects are placed in service.

We did not have any properties held for sale at September 30, 2022. Our stabilized portfolio also excludes our future development pipeline, which as of September 30, 2022 was comprised of eight potential development sites, representing approximately 64 gross acres of undeveloped land on which we believe we have the potential to develop more than 6.0 million rentable square feet, depending upon economic conditions.

As of September 30, 2022, the following properties were excluded from our stabilized portfolio:

	Number of Properties/Projects	Estimated Rentable Square Feet (1)
In-process development projects - tenant improvement	1	734,000
In-process development projects - under construction	2	946,000
In-process redevelopment projects - under construction	1	52,000

________________________

(1)Estimated rentable square feet upon completion.

The following table reconciles the changes in the rentable square feet in our stabilized office portfolio of operating properties from September 30, 2021 to September 30, 2022:

	Number of Buildings	Rentable Square Feet
Total as of September 30, 2021	121	15,199,178
Completed development properties placed in-service	6	1,574,960
Properties transferred to development and redevelopment	(4)	(392,425)
Dispositions	(3)	(198,461)
Remeasurement	—	65,550
Total as of September 30, 2022 (1)	120	16,248,802

________________________

(1)Includes four properties owned by consolidated property partnerships (see Note 1 “Organization, Ownership and Basis of Presentation” to our consolidated financial statements included in this report for additional information).

Occupancy Information

The following table sets forth certain information regarding our stabilized portfolio:

Region	Number of Buildings	Rentable Square Feet	Occupancy at (1)
			9/30/2022		6/30/2022		3/31/2022
Greater Los Angeles	53	4,328,073	84.5	%	84.9	%	85.7	%
San Diego County	23	2,708,676	86.3	%	90.9	%	89.4	%
San Francisco Bay Area	34	6,211,875	93.8	%	93.1	%	92.9	%
Greater Seattle	10	3,000,178	97.7	%	97.8	%	99.2	%
Total Stabilized Office Portfolio	120	16,248,802	90.8	%	91.4	%	91.3	%

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	Average Occupancy
	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Stabilized Office Portfolio (1)	91.1	%	91.7	%	91.3	%	91.7	%
Same Store Portfolio (2)	91.0	%	92.0	%	90.7	%	91.8	%
Residential Portfolio (3)	93.5	%	79.9	%	93.6	%	74.0	%

________________________

(1)Occupancy percentages reported are based on our stabilized office portfolio as of the end of the period presented and exclude occupancy percentages of properties held for sale. Represents economic occupancy.

(2)Occupancy percentages reported are based on office properties owned and stabilized as of January 1, 2021 and still owned and stabilized as of September 30, 2022 and exclude our residential portfolio. See discussion under “Results of Operations” for additional information.

(3)Our residential portfolio consists of our 200-unit residential tower and 193-unit Jardine project in Hollywood, California and 608 residential units at our One Paseo mixed-use project in Del Mar, California.

Significant Tenants

The following table sets forth information about our 15 largest tenants based upon annualized base rental revenues, as defined below, as of September 30, 2022.

Tenant Name	Region	Annualized Base Rental Revenue (1) (2)		Rentable Square Feet	Percentage of Total Annualized Base Rental Revenue		Percentage of Total Rentable Square Feet		Year(s) of Lease Expiration
		(in thousands)
Global Technology Company	Greater Seattle / San Diego County	$	39,631	779,210	4.9	%	4.8	%	2032 / 2033
Cruise LLC	San Francisco Bay Area	35,449		374,618	4.4	%	2.3	%	2031
Amazon.com	Greater Seattle	33,800		780,757	4.2	%	4.8	%	2023 / 2029 / 2030
Stripe, Inc.	San Francisco Bay Area	33,110		425,687	4.1	%	2.6	%	2034
LinkedIn Corporation / Microsoft Corporation	San Francisco Bay Area	29,752		663,460	3.7	%	4.1	%	2024 / 2026
Adobe Systems, Inc.	San Francisco Bay Area / Greater Seattle	27,897		523,416	3.5	%	3.2	%	2027 / 2031
Salesforce, Inc.	San Francisco Bay Area	24,076		451,763	3.0	%	2.8	%	2031 / 2032
DoorDash, Inc.	San Francisco Bay Area	23,842		236,759	3.0	%	1.5	%	2032
DIRECTV, LLC (3)	Greater Los Angeles	23,152		684,411	2.9	%	4.2	%	2027
Okta, Inc.	San Francisco Bay Area	22,387		273,371	2.8	%	1.7	%	2028
Netflix, Inc.	Greater Los Angeles	21,854		361,388	2.7	%	2.2	%	2032
Box, Inc.	San Francisco Bay Area	20,390		341,441	2.5	%	2.1	%	2028
Cytokinetics, Inc.	San Francisco Bay Area	18,014		234,892	2.2	%	1.4	%	2033
Riot Games, Inc.	Greater Los Angeles	16,427		260,158	2.0	%	1.6	%	2023 / 2024
Synopsys, Inc.	San Francisco Bay Area	15,492		342,891	1.9	%	2.1	%	2030
Total		$	385,273	6,734,222	47.8	%	41.4	%

________________________

(1)Annualized base rental revenue includes the impact of straight-lining rent escalations and the amortization of free rent periods and excludes the impact of the following: amortization of deferred revenue related tenant-funded tenant improvements, amortization of above/below market rents, amortization for lease incentives due under existing leases, and expense reimbursement revenue. Excludes month-to-month leases and vacant space as of September 30, 2022.

(2)Includes 100% of the annualized base rental revenues of consolidated property partnerships.

(3)On April 5, 2021, DIRECTV, LLC’s successor-in-interest (“DIRECTV”) filed suit in Los Angeles Superior Court against a subsidiary of the Company, claiming that DIRECTV properly exercised its contraction rights as to certain space leased by DIRECTV at the property located at 2250 East Imperial Highway, El Segundo, California. The Company strongly disagrees with the contentions made by DIRECTV and will vigorously defend the litigation.

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Results of Operations

Net Operating Income

Management internally evaluates the operating performance and financial results of our stabilized portfolio based on Net Operating Income. We define “Net Operating Income” as consolidated operating revenues (rental income and other property income) less consolidated operating expenses (property expenses, real estate taxes and ground leases).

Net Operating Income is considered by management to be an important and appropriate supplemental performance measure to net income because we believe it helps both investors and management to understand the core operations of our properties excluding corporate and financing-related costs and non-cash depreciation and amortization. Net Operating Income is an unlevered operating performance metric of our properties and allows for a useful comparison of the operating performance of individual assets or groups of assets. This measure thereby provides an operating perspective not immediately apparent from GAAP income from operations or net income. In addition, Net Operating Income is considered by many in the real estate industry to be a useful starting point for determining the value of a real estate asset or group of assets. Other real estate companies may use different methodologies for calculating Net Operating Income, and accordingly, our presentation of Net Operating Income may not be comparable to other real estate companies. Because of the exclusion of the items shown in the reconciliation below, Net Operating Income should only be used as a supplemental measure of our financial performance and not as an alternative to GAAP income from operations or net income.

Management further evaluates Net Operating Income by evaluating the performance from the following property groups:

•Same Store Properties – includes the consolidated results of all of the office properties that were owned and included in our stabilized portfolio for two comparable reporting periods, i.e., owned and included in our stabilized portfolio as of January 1, 2021 and still owned and included in the stabilized portfolio as of September 30, 2022, including our 200-unit residential tower in Hollywood, California and 608 residential units at our One Paseo mixed-use project in Del Mar, California;

•Development Properties – includes the results generated by certain of our in-process development and redevelopment projects, expenses for certain of our future development projects and the results generated by the following stabilized development properties:

◦One office building that was added to the stabilized portfolio in the second quarter of 2021;

◦Two office buildings that were added to the stabilized portfolio in the third quarter of 2021;

◦Two office buildings that were added to the stabilized portfolio in the fourth quarter of 2021;

◦One office building that was added to the stabilized portfolio in the second quarter of 2022;

◦Three office buildings that were added to the stabilized portfolio in the third quarter of 2022; and

◦193 residential units at our Jardine project in Hollywood, California that were added to the stabilized portfolio in the second quarter of 2021;

•Acquisition Properties - includes the results, from the date of acquisition through the periods presented, for the one property acquired in the third quarter of 2021; and

•Disposition Properties – includes the results of one property disposed of in the first quarter of 2021, two properties disposed of in the fourth quarter of 2021 and one property disposed of in the third quarter of 2022.

The following table sets forth certain information regarding the property groups within our stabilized office portfolio as of September 30, 2022:

Group	# of Buildings	Rentable Square Feet
Same Store Properties	110	13,611,238
Stabilized Development Properties (1)	9	2,098,338
Acquisition Properties	1	539,226
Total Stabilized Portfolio	120	16,248,802

________________________

(1)Excludes development projects in the tenant improvement phase, our in-process development and redevelopment projects and future development projects.

35

Comparison of the Three Months Ended September 30, 2022 to the Three Months Ended September 30, 2021

The following table summarizes our Net Operating Income, as defined, for our total portfolio for the three months ended September 30, 2022 and 2021.

	Three Months Ended September 30,				Dollar Change		Percentage Change
	2022		2021
	($ in thousands)
Reconciliation of Net Income Available to Common Stockholders to Net Operating Income, as defined:
Net Income Available to Common Stockholders	$	79,757	$	47,028	$	32,729	69.6	%
Net income attributable to noncontrolling common units of the Operating Partnership	664		460		204		44.3	%
Net income attributable to noncontrolling interests in consolidated property partnerships	6,239		6,005		234		3.9	%
Net income	$	86,660	$	53,493	$	33,167	62.0	%
Unallocated expense (income):
General and administrative expenses	23,524		22,990		534		2.3	%
Leasing costs	1,015		798		217		27.2	%
Depreciation and amortization	81,140		73,213		7,927		10.8	%
Interest and other income, net	(295)		(976)		681		(69.8)	%
Interest expense	19,982		16,105		3,877		24.1	%
Gain on sale of depreciable operating property	(17,329)		—		(17,329)		100.0	%
Net Operating Income, as defined	$	194,697	$	165,623	$	29,074	17.6	%

The following tables summarize our Net Operating Income, as defined, for our total portfolio for the three months ended September 30, 2022 and 2021.

	Three Months Ended September 30,
	2022										2021
	Same Store		Develop- ment		Acquisi- tion		Disposition		Total		Same Store		Develop- ment		Acquisi- tion		Disposition		Total
	(in thousands)
Operating revenues:
Rental income	$	220,389	$	43,821	$	8,228	$	108	$	272,546	$	212,388	$	15,380	$	947	$	2,005	$	230,720
Other property income	2,945		443		61		(37)		3,412		1,507		103		—		(4)		1,606
Total	223,334		44,264		8,289		71		275,958		213,895		15,483		947		2,001		232,326
Property and related expenses:
Property expenses	43,871		7,019		880		305		52,075		37,687		2,595		30		530		40,842
Real estate taxes	21,671		5,035		663		46		27,415		21,803		1,927		140		283		24,153
Ground leases	1,754		17		—		—		1,771		1,746		(38)		—		—		1,708
Total	67,296		12,071		1,543		351		81,261		61,236		4,484		170		813		66,703
Net Operating Income, as defined	$	156,038	$	32,193	$	6,746	$	(280)	$	194,697	$	152,659	$	10,999	$	777	$	1,188	$	165,623

36

	Three Months Ended September 30, 2022 as compared to the Three Months Ended September 30, 2021
	Same Store				Development				Acquisition				Disposition				Total
	Dollar Change		Percent Change		Dollar Change		Percent Change		Dollar Change		Percent Change		Dollar Change		Percent Change		Dollar Change		Percent Change
	($ in thousands)
Operating revenues:
Rental income	$	8,001	3.8	%	$	28,441	184.9	%	$	7,281	768.8	%	$	(1,897)	(94.6)	%	$	41,826	18.1	%
Other property income	1,438		95.4	%	340		330.1	%	61		100.0	%	(33)		825.0	%	1,806		112.5	%
Total	9,439		4.4	%	28,781		185.9	%	7,342		775.3	%	(1,930)		(96.5)	%	43,632		18.8	%
Property and related expenses:
Property expenses	6,184		16.4	%	4,424		170.5	%	850		NM*		(225)		(42.5)	%	11,233		27.5	%
Real estate taxes	(132)		(0.6)	%	3,108		161.3	%	523		373.6	%	(237)		(83.7)	%	3,262		13.5	%
Ground leases	8		0.5	%	55		(144.7)	%	—		—	%	—		—	%	63		3.7	%
Total	6,060		9.9	%	7,587		169.2	%	1,373		807.6	%	(462)		(56.8)	%	14,558		21.8	%
Net Operating Income, as defined	$	3,379	2.2	%	$	21,194	192.7	%	$	5,969	768.2	%	$	(1,468)	(123.6)	%	$	29,074	17.6	%

________________________ 

* Percentage not meaningful.

Net Operating Income increased $29.1 million, or 17.6%, for the three months ended September 30, 2022 as compared to the three months ended September 30, 2021 resulting from:

•An increase in Net Operating Income of $3.4 million attributable to the Same Store Properties, which was driven by the following activity:

•An increase in total operating revenues of $9.4 million primarily due to:

•$4.4 million increase in the tenant reimbursement component of rental income primarily due to higher reimbursable operating expenses and lower abatements;

•$4.0 million net increase primarily resulting from a $5.2 million increase due to new leases and renewals at higher rates in all regions, partially offset by a $1.2 million decrease due to lower occupancy primarily in the San Francisco Bay Area and Greater Los Angeles regions; and

•$2.8 million increase in parking income due to an increase in the number of monthly parking spaces rented and higher transient parking across all regions; partially offset by

•$2.3 million decrease due to termination fees recognized in 2021 primarily related to one tenant in the San Francisco Bay Area;

•An increase in property and related expenses of $6.1 million primarily due to the following:

•$5.6 million increase in property expenses predominately related to our tenants’ continued return to the office, including utilities, parking, janitorial, security and various other recurring expenses; and

•$0.5 million increase in operating expenses primarily related to our residential properties due to higher occupancy;

•An increase in Net Operating Income of $21.2 million attributable to the Development Properties;

•An increase in Net Operating Income of $6.0 million attributable to the Acquisition Properties; partially offset by

•A decrease in Net Operating Income of $1.5 million attributable to the Disposition Properties.

37

Other Expenses and Income

General and Administrative Expenses

General and administrative expenses increased $0.5 million, or 2.3%, for the three months ended September 30, 2022 as compared to the three months ended September 30, 2021 primarily due to an increase in share based compensation expense.

Leasing Costs

Leasing costs increased by $0.2 million, or 27.2%, for the three months ended September 30, 2022 compared to the three months ended September 30, 2021 primarily due to an increase in leasing overhead during the three months ended September 30, 2022.

Depreciation and Amortization

Depreciation and amortization increased $7.9 million, or 10.8%, for the three months ended September 30, 2022 compared to the three months ended September 30, 2021, primarily due to the following:

•An increase of $9.9 million attributable to the Acquisition Properties; partially offset by

•A decrease of $1.6 million attributable to the Development Properties.

Interest Expense

The following table sets forth our gross interest expense, including debt discounts and deferred financing cost amortization, and capitalized interest, including capitalized debt discounts and deferred financing cost amortization, for the three months ended September 30, 2022 and 2021:

	Three Months Ended September 30,
	2022		2021		Dollar Change		Percentage Change
	(in thousands)
Gross interest expense	$	39,659	$	39,552	$	107	0.3	%
Capitalized interest and deferred financing costs	(19,677)		(23,447)		3,770		(16.1)	%
Interest expense	$	19,982	$	16,105	$	3,877	24.1	%

Gross interest expense, before the effect of capitalized interest and deferred financing costs, remained generally consistent for the three months ended September 30, 2022 as compared to the three months ended September 30, 2021.

Capitalized interest and deferred financing costs decreased $3.8 million, or 16.1%, for the three months ended September 30, 2022 compared to the three months ended September 30, 2021 primarily due to decreases in the average development asset balances qualifying for interest capitalization and weighted average interest and loan fee amortization rate during the three months ended September 30, 2022. During the three months ended September 30, 2022 and 2021, we capitalized interest on in-process development and redevelopment projects and future development pipeline projects with an average aggregate cost basis of approximately $2.0 billion and $2.3 billion, respectively, as it was determined these projects qualified for interest and other carrying cost capitalization under GAAP. In the event of an extended cessation of development or redevelopment activities to get any of these projects ready for its intended use, such projects could potentially no longer qualify for capitalization of interest or other carrying costs. Refer to “Part II – Other Information, Item IA. Risk Factors” included in this report for additional information about the potential impact of inflation on our interest expense and construction costs and the impact on our business, financial condition, results of operations, cash flows, liquidity and ability to satisfy our debt service obligations.

38

Comparison of the Nine Months Ended September 30, 2022 to the Nine Months Ended September 30, 2021

The following table summarizes our Net Operating Income, as defined, for our total portfolio for the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,				Dollar Change		Percentage Change
	2022		2021
	($ in thousands)
Reconciliation of Net Income Available to Common Stockholders to Net Operating Income, as defined:
Net Income Available to Common Stockholders	$	179,990	$	580,498	$	(400,508)	(69.0)	%
Net income attributable to noncontrolling common units of the Operating Partnership	1,695		5,700		(4,005)		(70.3)	%
Net income attributable to noncontrolling interests in consolidated property partnerships	18,333		17,586		747		4.2	%
Net income	$	200,018	$	603,784	$	(403,766)	(66.9)	%
Unallocated expense (income):
General and administrative expenses	68,425		69,482		(1,057)		(1.5)	%
Leasing costs	3,475		2,373		1,102		46.4	%
Depreciation and amortization	266,215		222,734		43,481		19.5	%
Interest income and other net investment gain	(501)		(3,686)		3,185		(86.4)	%
Interest expense	60,728		59,829		899		1.5	%
Gains on sales of depreciable operating properties	(17,329)		(457,831)		440,502		(96.2)	%
Net Operating Income, as defined	$	581,031	$	496,685	$	84,346	17.0	%

The following tables summarize our Net Operating Income, as defined, for our total portfolio for the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,
	2022										2021
	Same Store		Develop- ment		Acquisi- tion		Disposition		Total		Same Store		Develop- ment		Acquisi- tion		Disposition		Total
	(in thousands)
Operating revenues:
Rental income	$	655,737	$	120,970	$	25,470	$	2,153	$	804,330	$	621,368	$	42,260	$	947	$	25,274	$	689,849
Other property income	6,789		1,347		128		49		8,313		3,934		158		—		14		4,106
Total	662,526		122,317		25,598		2,202		812,643		625,302		42,418		947		25,288		693,955
Property and related expenses:
Property expenses	125,266		18,219		2,855		1,081		147,421		109,613		6,611		29		3,930		120,183
Real estate taxes	63,722		12,835		1,985		176		78,718		63,751		5,249		140		2,388		71,528
Ground leases	5,264		209		—		—		5,473		5,559		—		—		—		5,559
Total	194,252		31,263		4,840		1,257		231,612		178,923		11,860		169		6,318		197,270
Net Operating Income, as defined	$	468,274	$	91,054	$	20,758	$	945	$	581,031	$	446,379	$	30,558	$	778	$	18,970	$	496,685

39

	Nine Months Ended September 30, 2022 as compared to the Nine Months Ended September 30, 2021
	Same Store				Development				Acquisition				Disposition				Total
	Dollar Change		Percent Change		Dollar Change		Percent Change		Dollar Change		Percent Change		Dollar Change		Percent Change		Dollar Change		Percent Change
	($ in thousands)
Operating revenues:
Rental income	$	34,369	5.5	%	$	78,710	186.3	%	$	24,523	NM*		$	(23,121)	(91.5)	%	$	114,481	16.6	%
Other property income	2,855		72.6	%	1,189		752.5	%	128		100.0	%	35		250.0	%	4,207		102.5	%
Total	37,224		6.0	%	79,899		188.4	%	24,651		NM*		(23,086)		(91.3)	%	118,688		17.1	%
Property and related expenses:
Property expenses	15,653		14.3	%	11,608		175.6	%	2,826		NM*		(2,849)		(72.5)	%	27,238		22.7	%
Real estate taxes	(29)		—	%	7,586		144.5	%	1,845		NM*		(2,212)		(92.6)	%	7,190		10.1	%
Ground leases	(295)		(5.3)	%	209		100.0	%	—		—	%	—		—	%	(86)		(1.5)	%
Total	15,329		8.6	%	19,403		163.6	%	4,671		NM*		(5,061)		(80.1)	%	34,342		17.4	%
Net Operating Income, as defined	$	21,895	4.9	%	$	60,496	198.0	%	$	19,980	NM*		$	(18,025)	(95.0)	%	$	84,346	17.0	%

________________________ 

* Percentage not meaningful.

Net Operating Income increased $84.3 million, or 17.0%, for the nine months ended September 30, 2022 as compared to the nine months ended September 30, 2021 primarily resulting from:

•An increase of $21.9 million attributable to the Same Store Properties primarily resulting from:

•An increase in total operating revenues of $37.2 million primarily due to:

•$15.2 million net increase resulting from a $18.1 million increase from new leases and renewals at higher rates in all regions, partially offset by a $2.9 million decrease due to lower occupancy primarily in the Greater Los Angeles and San Francisco Bay Area regions;

•$14.5 million increase in the tenant reimbursements component of rental income primarily due to higher operating expenses and lower abatements;

•$6.9 million increase due to higher parking income and higher residential miscellaneous income, of which $4.0 million relates to an increase in the number of monthly parking spaces rented as a result of tenants returning to the office and $2.9 million relates to higher transient parking income and higher residential miscellaneous income; and

•$3.7 million increase due to the recognition of deferred rent balances associated with tenants restored from a cash basis of revenue recognition to an accrual basis of revenue recognition in 2022 and higher collections from tenants on a cash basis of revenue recognition; partially offset by

•$3.5 million decrease due to early lease termination fees recognized in 2021 primarily related to two tenants;

•An increase in property and related expenses of $15.3 million primarily due to the following:

•$13.0 million increase in property expenses related to our tenants’ continued return to the office, including utilities, parking, janitorial, security, contact services, and various other recurring expenses; and

•$2.3 million increase in operating expenses primarily related to our residential properties due to higher occupancy;

•An increase of $60.5 million attributable to the Development Properties;

•An increase of $20.0 million attributable to the Acquisition Properties; partially offset by

•A decrease of $18.0 million attributable to the Disposition Properties.

40

Other Expenses and Income

General and Administrative Expenses

General and administrative expenses decreased $1.1 million, or 1.5%, for the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 primarily due to a decrease of $6.1 million in share-based compensation expense, partially offset by an increase of $5.0 million in contributions and professional service fees.

Leasing Costs

Leasing costs increased by $1.1 million or 46.4%, for the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 primarily due to an increase in leasing activity and leasing overhead during the nine months ended September 30, 2022.

Depreciation and Amortization

Depreciation and amortization increased $43.5 million, or 19.5%, for the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 primarily due to the following:

•An increase of $31.2 million attributable to the Acquisition Properties; and

•An increase of $19.3 million attributable to the Development Properties; partially offset by

•A decrease of $4.8 million attributable to the Disposition Properties; and

•A decrease of $2.2 million attributable to the Same Store Properties.

Interest Expense

The following table sets forth our gross interest expense, including debt discounts and deferred financing cost amortization, and capitalized interest, including capitalized debt discounts and deferred financing cost amortization for the nine months ended September 30, 2022 and 2021:

	Nine Months Ended September 30,
	2022		2021		Dollar Change		Percentage Change
	(in thousands)
Gross interest expense	$	118,995	$	118,257	$	738	0.6	%
Capitalized interest and deferred financing costs	(58,267)		(58,428)		161		(0.3)	%
Interest expense	$	60,728	$	59,829	$	899	1.5	%

Gross interest expense, before the effect of capitalized interest and deferred financing costs, remained generally consistent for the nine months ended September 30, 2022 as compared to the nine months ended September 30, 2021.

Capitalized interest and deferred financing costs remained generally consistent for the nine months ended September 30, 2022. During the nine months ended September 30, 2022 and 2021, we capitalized interest on in-process development projects and future development pipeline projects with an average aggregate cost basis of approximately $2.0 billion. In the event of an extended cessation of development or redevelopment activities to get any of these projects ready for its intended use, such projects could potentially no longer qualify for capitalization of interest or other carrying costs. Refer to “Part II – Other Information, Item IA. Risk Factors” included in this report for additional information about the potential impact of inflation on our interest expense and construction costs and the impact on our business, financial condition, results of operations, cash flows, liquidity and ability to satisfy our debt service obligations.

41

Liquidity and Capital Resources of the Company

In this “Liquidity and Capital Resources of the Company” section, the term the “Company” refers only to Kilroy Realty Corporation on an unconsolidated basis and excludes the Operating Partnership and all other subsidiaries.

The Company’s business is operated primarily through the Operating Partnership. Distributions from the Operating Partnership are the Company’s primary source of capital. The Company believes the Operating Partnership’s sources of working capital, specifically its cash flow from operations and borrowings available under its unsecured revolving credit facility and funds from its capital recycling program, including strategic ventures, are adequate for it to make its distribution payments to the Company and, in turn, for the Company to make its dividend payments to its common stockholders for the next twelve months. Cash flows from operating activities generated by the Operating Partnership for the nine months ended September 30, 2022 were sufficient to cover the Company’s payment of cash dividends to its stockholders. However, there can be no assurance that the Operating Partnership’s sources of capital will continue to be available at all or in amounts sufficient to meet its needs, including its ability to make distributions to the Company. The unavailability of capital could adversely affect the Operating Partnership’s ability to make distributions to the Company, which would in turn, adversely affect the Company’s ability to pay cash dividends to its stockholders.

The Company is a well-known seasoned issuer and the Company and the Operating Partnership have an effective shelf registration statement that provides for the public offering and sale from time to time by the Company of its preferred stock, common stock, depositary shares, warrants and guarantees of debt securities and by the Operating Partnership of its debt securities, in each case in unlimited amounts. The Company evaluates the capital markets on an ongoing basis for opportunities to raise capital, and, as circumstances warrant, the Company and the Operating Partnership may issue securities of all of these types in one or more offerings at any time and from time to time on an opportunistic basis, depending upon, among other things, market conditions, available pricing and capital needs. When the Company receives proceeds from the sales of its preferred or common stock, it generally contributes the net proceeds from those sales to the Operating Partnership in exchange for corresponding preferred or common partnership units of the Operating Partnership. The Operating Partnership may use these proceeds and proceeds from the sale of its debt securities to repay debt, including borrowings under its unsecured revolving credit facility, to develop new or redevelop existing properties, to make acquisitions of properties or portfolios of properties, or for general corporate purposes.

As the sole general partner with control of the Operating Partnership, the Company consolidates the Operating Partnership for financial reporting purposes, and the Company does not have significant assets other than its investment in the Operating Partnership. Therefore, the assets and liabilities and the revenues and expenses of the Company and the Operating Partnership are substantially the same on their respective financial statements. The section entitled “Liquidity and Capital Resources of the Operating Partnership” should be read in conjunction with this section to understand the liquidity and capital resources of the Company on a consolidated basis and how the Company is operated as a whole.

Liquidity Highlights

As of September 30, 2022, we had approximately $250.0 million in cash and cash equivalents. As of the date of this report, we had $1.1 billion available under our unsecured revolving credit facility, $200.0 million available under our unsecured term loan facility and our next debt maturity occurs in December 2024. We believe that our available liquidity demonstrates a strong balance sheet and makes us well positioned to navigate any additional future uncertainties. In addition, the Company is a well-known seasoned issuer and has historically been able to raise capital on a timely basis in the public markets, as well as the private markets. Any future financings, however, will depend on market conditions for both capital raises and the investment of such proceeds, and there can be no assurances that we will successfully obtain such financings. Refer to “Part II – Other Information, Item IA. Risk Factors” included in this report for additional information about the potential impact of inflation on our business, financial condition, results of operations, cash flows, liquidity and ability to satisfy our debt service obligations.

42

Distribution Requirements

The Company is required to distribute 90% of its taxable income (subject to certain adjustments and excluding net capital gains) on an annual basis to maintain qualification as a REIT for federal income tax purposes and is required to pay income tax at regular corporate rates to the extent it distributes less than 100% of its taxable income (including capital gains). As a result of these distribution requirements, the Operating Partnership cannot rely on retained earnings to fund its on-going operations to the same extent as other companies whose parent companies are not REITs. In addition, the Company may be required to use borrowings under the Operating Partnership’s revolving credit facility, if necessary, to meet REIT distribution requirements and maintain its REIT status. The Company may also need to continue to raise capital in the equity markets to fund the Operating Partnership’s working capital needs, as well as potential developments of new or existing properties or acquisitions.

The Company intends to continue to make, but has not committed to make, regular quarterly cash distributions to common stockholders, and through the Operating Partnership, to common unitholders from the Operating Partnership’s cash flow from operating activities. All such distributions are at the discretion of the Board of Directors. As the Company intends to maintain distributions at a level sufficient to meet the REIT distribution requirements and minimize its obligation to pay income and excise taxes, it will continue to evaluate whether the current levels of distribution are appropriate to do so throughout 2022 and 2023. In addition, in the event the Company is unable to successfully complete Section 1031 Exchanges to defer some or all of the taxable gains related to property dispositions (or in the event additional legislation is enacted that further modifies or repeals laws with respect to Section 1031 Exchanges), the Company may be required to distribute a special dividend to its common stockholders and common unitholders in order to minimize or eliminate income taxes on such gains. The Company considers market factors and its performance in addition to REIT requirements in determining its distribution levels. Amounts accumulated for distribution to stockholders are invested primarily in interest-bearing accounts and short-term interest-bearing securities, which is consistent with the Company’s intention to maintain its qualification as a REIT. Such investments may include, for example, obligations of the Government National Mortgage Association, other governmental agency securities, certificates of deposit, and interest-bearing bank deposits.

On September 8, 2022, the Board of Directors declared a regular quarterly cash dividend of $0.54 per share, an increase of 3.8% from the prior regular quarterly cash dividend of $0.52 per share of common stock. The regular quarterly cash dividend is payable to stockholders of record on September 30, 2022 and a corresponding cash distribution of $0.54 per Operating Partnership unit is payable to holders of the Operating Partnership’s common limited partnership interests of record on September 30, 2022, including those owned by the Company. The total cash quarterly dividends and distributions paid on October 12, 2022 were $63.7 million.

Debt Covenants

The covenants contained within certain of our unsecured debt obligations generally prohibit the Company from paying dividends during an event of default in excess of an amount which results in distributions to us in an amount sufficient to permit us to pay dividends to our stockholders that we reasonably believe are necessary to (a) maintain our qualification as a REIT for federal and state income tax purposes and (b) avoid the payment of federal or state income or excise tax.

43

Capitalization

As of September 30, 2022, our total debt as a percentage of total market capitalization was 45.2%, which was calculated based on the closing price per share of the Company’s common stock of $42.11 on September 30, 2022 as shown in the following table:

	Shares/Units at  September 30, 2022	Aggregate Principal Amount or $ Value Equivalent		% of Total Market Capitalization
	($ in thousands)
Debt: (1)(2)
Unsecured Senior Notes due 2024		$	425,000	4.7	%
Unsecured Senior Notes due 2025		400,000		4.4	%
Unsecured Senior Notes Series A & B due 2026		250,000		2.8	%
Unsecured Senior Notes due 2028		400,000		4.4	%
Unsecured Senior Notes due 2029		400,000		4.4	%
Unsecured Senior Notes Series A & B due 2027 & 2029		250,000		2.8	%
Unsecured Senior Notes due 2030		500,000		5.5	%
Unsecured Senior Notes due 2031		350,000		3.9	%
Unsecured Senior Notes due 2032		425,000		4.7	%
Unsecured Senior Notes due 2033		450,000		5.0	%
Secured debt		244,878		2.6	%
Total debt		$	4,094,878	45.2	%
Equity and Noncontrolling Interests in the Operating Partnership: (3)
Common limited partnership units outstanding (4)	1,150,574	$	48,451	0.5	%
Shares of common stock outstanding	116,877,453	4,921,710		54.3	%
Total Equity and Noncontrolling Interests in the Operating Partnership		$	4,970,161	54.8	%
Total Market Capitalization		$	9,065,039	100.0	%

________________________ 

(1)    Represents gross aggregate principal amount due at maturity before the effect of the following at September 30, 2022: $20.4 million of unamortized deferred financing costs on the unsecured senior notes and secured debt and $6.6 million of unamortized discounts for the unsecured senior notes.

(2)    As of September 30, 2022, there was no outstanding balance on the unsecured revolving credit facility.

(3)    Value based on closing price per share of our common stock of $42.11 as of September 30, 2022.

(4)    Includes common units of the Operating Partnership not owned by the Company; does not include noncontrolling interests in consolidated property partnerships.

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Liquidity and Capital Resources of the Operating Partnership

In this “Liquidity and Capital Resources of the Operating Partnership” section, the terms “we,” “our,” and “us” refer to the Operating Partnership or the Operating Partnership and the Company together, as the context requires.

General

Our primary liquidity sources and uses are as follows:

Liquidity Sources

•Net cash flow from operations;

•Borrowings under the Operating Partnership’s unsecured revolving credit facility;

•Proceeds from our capital recycling program, including the disposition of assets and the formation of strategic ventures;

•Proceeds from additional secured or unsecured debt financings; and

•Proceeds from public or private issuance of debt, equity or preferred equity securities.

Liquidity Uses

•Development and redevelopment costs;

•Property operating and corporate expenses;

•Capital expenditures, tenant improvement and leasing costs;

•Operating property or undeveloped land acquisitions;

•Debt service and principal payments, including debt maturities;

•Distributions to common security holders;

•Repurchases and redemptions of outstanding common stock of the Company; and

•Outstanding debt repurchases, redemptions and repayments.

General Strategy

Our general strategy is to maintain a conservative balance sheet with a strong credit profile and to maintain a capital structure that allows for financial flexibility and diversification of capital resources. We manage our capital structure to reflect a long-term investment approach and utilize multiple sources of capital to meet our long-term capital requirements. We believe that our current projected liquidity requirements for the next twelve-month period, as set forth above under the caption “—Liquidity Uses,” will be satisfied using a combination of the liquidity sources listed above, although there can be no assurance in this regard. We believe our conservative leverage and staggered debt maturities provide us with financial flexibility and enhance our ability to obtain additional sources of liquidity if necessary, and, therefore, we are well-positioned to refinance or repay maturing debt and to pursue our strategy of seeking attractive acquisition opportunities, which we may finance, as necessary, with future public and private issuances of debt and equity securities, although there can be no assurance in this regard.

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Liquidity Sources

Unsecured Revolving Credit Facility and Term Loan Facility

The following table summarizes the balance and terms of our unsecured revolving credit facility as of September 30, 2022 and December 31, 2021:

	September 30, 2022			December 31, 2021
	(in thousands)
Outstanding borrowings	$	—		$	—
Remaining borrowing capacity	1,100,000			1,100,000
Total borrowing capacity (1)	$	1,100,000		$	1,100,000
Interest rate (2)	4.04		%	1.00		%
Facility fee-annual rate (3)	0.200%
Maturity date	July 2025

________________________

(1)We may elect to borrow, subject to bank approval and obtaining commitments for any additional borrowing capacity, up to an additional $500.0 million under an accordion feature under the terms of the unsecured revolving credit facility.

(2)Our unsecured revolving credit facility interest rate was calculated based on the contractual rate of LIBOR plus 0.900% as of September 30, 2022 and December 31, 2021.

(3)Our facility fee is paid on a quarterly basis and is calculated based on the total borrowing capacity. In addition to the facility fee, we incurred debt origination and legal costs. As of September 30, 2022 and December 31, 2021, $5.8 million and $7.3 million of unamortized deferred financing costs, respectively, which are included in prepaid expenses and other assets, net on our consolidated balance sheets, remained to be amortized through the respective maturity dates presented of our unsecured revolving credit facility.

We intend to borrow under the unsecured revolving credit facility as necessary for general corporate purposes, to finance development and redevelopment expenditures, to fund potential acquisitions and to potentially repay long-term debt to supplement cash balances given uncertainties and volatility in market conditions.

In October 2022, the Operating Partnership entered into a $400.0 million unsecured term loan facility and made an initial draw of $200.0 million. The borrowing rate under the unsecured term loan facility is variable and subject to a ratings-based pricing grid, currently calculated as one-month Adjusted Secured Overnight Financing Rate ("SOFR") plus 95-basis points. The unsecured term loan facility also has a delayed draw feature and a $100.0 million accordion mechanism, subject to lender commitments. The unsecured term loan facility is scheduled to mature in October 2024 and includes two twelve-month extension options at the Company’s option.

In connection with entering into the unsecured term loan facility, the Company amended its unsecured Revolving Credit Agreement to replace the LIBOR-based interest rate option with a SOFR-based interest rate option for its loan borrowings.

Capital Recycling Program

As discussed in the section “Factors That May Influence Future Results of Operations - Capital Recycling Program,” we continuously evaluate opportunities for the potential disposition of properties and undeveloped land in our portfolio or the formation of strategic ventures with the intent of recycling the proceeds generated from the disposition of less strategic or core assets into capital used to finance development expenditures, to fund new acquisitions, to repay long-term debt and for other general corporate purposes. As part of this strategy, we attempt to enter into Section 1031 Exchanges, when possible, to defer some or all of the taxable gains on the sales, if any, for federal and state income tax purposes.

In connection with our capital recycling strategy, during the nine months ended September 30, 2022, we completed the sale of one operating property in Los Angeles, California to an unaffiliated third party for gross proceeds of $48.0 million. Any potential future disposition transactions and the timing of any potential future capital recycling transactions will depend on market conditions and other factors, including but not limited to our capital needs, the availability of financing for potential buyers (which has been and may continue to be constrained for some potential buyers due to current economic and market conditions), and our ability to defer some or all of the taxable gains on the sales. In addition, we cannot assure you that we will dispose of any additional properties, or that we will be able to identify and complete the acquisitions of suitable replacement properties to effect Section 1031 Exchanges to defer some or all of the taxable gains related to our capital recycling program. In the event we are unable to complete dispositions as planned, we may raise capital through other sources of liquidity including our available unsecured revolving credit facility, our unsecured term loan facility or the public or private issuance of unsecured debt.

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At-The-Market Stock Offering Program

Under our current at-the-market stock offering program, which commenced June 2018, we may offer and sell shares of our common stock with an aggregate gross sales price of up to $500.0 million from time to time in “at-the-market” offerings. In connection with the at-the-market program, the Company may enter into forward equity sale agreements with certain financial institutions acting as forward purchasers whereby, at our discretion, the forward purchasers may borrow and sell shares of our common stock under our at-the-market program. The use of a forward equity sale agreement allows the Company to lock in a share price on the sale of shares of our common stock at the time the agreement is executed but defer settling the forward equity sale agreements and receiving the proceeds from the sale of shares until a later date. The Company did not have any outstanding forward equity sale agreements to be settled at September 30, 2022.

Since commencement of our current at-the-market program, we have completed sales of 3,594,576 shares of common stock through September 30, 2022. As of September 30, 2022, we may offer and sell shares of our common stock having an aggregate gross sales price up to approximately $214.2 million under this program. The Company did not complete any sales under the program during the nine months ended September 30, 2022.

Shelf Registration Statement

The Company is a well-known seasoned issuer and the Company and the Operating Partnership have an effective shelf registration statement that provides for the public offering and sale from time to time by the Company of its preferred stock, common stock, depository shares and guarantees of debt securities and by the Operating Partnership of its debt securities, in each case in unlimited amounts. The Company evaluates the capital markets on an ongoing basis for opportunities to raise capital, and, as circumstances warrant, the Company and the Operating Partnership may issue securities of all of these types in one or more offerings at any time and from time to time on an opportunistic basis, depending upon, among other things, market conditions, available pricing and capital needs. Capital raising could be more challenging under current market conditions as uncertainty related to interest rates, inflation rates, economic outlook, geopolitical events (including the military conflict between Russia and Ukraine) and other factors have contributed and may continue to contribute to significant volatility and negative pressure in financial markets. When the Company receives proceeds from the sales of its preferred or common stock, it generally contributes the net proceeds from those sales to the Operating Partnership in exchange for corresponding preferred or common partnership units of the Operating Partnership. The Operating Partnership may use these proceeds and proceeds from the sale of its debt securities to repay debt, including borrowings under its unsecured revolving credit facility, to develop new or redevelop existing properties, to make acquisitions of properties or portfolios of properties, or for general corporate purposes. On September 15, 2022, the Company filed with the Securities and Exchange Commission a shelf registration statement on Form S-3, which became immediately effective upon filing.

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Unsecured and Secured Debt

The aggregate principal amount of the unsecured and secured debt of the Operating Partnership outstanding as of September 30, 2022 was as follows:

	Aggregate Principal  Amount Outstanding
	(in thousands)
Unsecured Senior Notes due 2024	$	425,000
Unsecured Senior Notes due 2025	400,000
Unsecured Senior Notes Series A & B due 2026	250,000
Unsecured Senior Notes due 2028	400,000
Unsecured Senior Notes due 2029	400,000
Unsecured Senior Notes Series A & B due 2027 & 2029	250,000
Unsecured Senior Notes due 2030	500,000
Unsecured Senior Notes due 2031	350,000
Unsecured Senior Notes due 2032	425,000
Unsecured Senior Notes due 2033	450,000
Secured Debt	244,878
Total Unsecured and Secured Debt (1)	4,094,878
Less: Unamortized Net Discounts and Deferred Financing Costs (2)	(27,030)
Total Debt, Net	$	4,067,848

________________________ 

(1)As of September 30, 2022, there was no outstanding balance on the unsecured revolving credit facility.

(2)Includes $20.4 million of unamortized deferred financing costs on the unsecured senior notes and secured debt and $6.6 million of unamortized discounts for the unsecured senior notes. Excludes unamortized deferred financing costs on the unsecured revolving credit facility, which are included in prepaid expenses and other assets, net on our consolidated balance sheets.

Debt Composition

The composition of the Operating Partnership’s aggregate debt balances between secured and unsecured and fixed-rate and variable-rate debt as of September 30, 2022 and December 31, 2021 was as follows:

	Percentage of Total Debt (1)				Weighted Average Interest Rate (1)
	September 30, 2022 (2)		December 31, 2021		September 30, 2022 (2)		December 31, 2021
Secured vs. unsecured:
Unsecured	94.0	%	93.9	%	3.6	%	3.6	%
Secured	6.0	%	6.1	%	3.9	%	3.9	%
Variable-rate vs. fixed-rate:
Variable-rate	—	%	—	%	—	%	—	%
Fixed-rate (3)	100.0	%	100.0	%	3.7	%	3.7	%
Stated rate (3)					3.7	%	3.7	%
GAAP effective rate (4)					3.7	%	3.7	%
GAAP effective rate including debt issuance costs					3.9	%	3.9	%

________________________

(1)    As of the end of the period presented.

(2)    As of September 30, 2022, there was no outstanding balance on the unsecured revolving credit facility.

(3)    Excludes the impact of the amortization of any debt discounts/premiums and deferred financing costs.

(4)    Includes the impact of amortization of any debt discounts/premiums, excluding deferred financing costs.

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Liquidity Uses

Contractual Obligations

Refer to our 2021 Annual Report on Form 10-K for a discussion of our contractual obligations. There have been no material changes, outside of the ordinary course of business, to these contractual obligations during the nine months ended September 30, 2022.

Other Liquidity Uses

Development

The following table summarizes our development spending directly related to our operating, development and redevelopment properties as of September 30, 2022:

Development Phase	Number of Projects	Total Estimated Investment (1)		Total Costs Incurred		Remaining Committed Investment (2)		Remaining Costs  to be Spent in 2022
		(in millions)
Stabilized
Development	2	$	675	$	641	$	34	$15	to	$20
Redevelopment	2	45		37		8		8	to	12
Tenant Improvement (3)
Development	1	690		620		70		10	to	15
Under Construction
Development	2	1,000		365		635		45	to	50
Redevelopment	1	17		8		9		1	to	5
Total:	8	$	2,427	$	1,671	$	756	$79	to	$102

________________________

(1)    For redevelopment projects, includes the existing depreciated basis for the buildings to be redeveloped, except for 12400 High Bluff Drive, which includes 66% of the depreciated basis, representing the 66% of the building that was subject to redevelopment.

(2)    Includes costs related to estimated tenant improvements.

(3)    Represents projects that have reached cold shell condition and are ready for tenant improvements, which may require additional major base building construction before being placed in service.

In addition, we currently believe we may spend up to $30.0 million on development projects that we may commence construction on throughout the remainder of 2022. The ultimate timing of these expenditures may fluctuate given construction progress and leasing status of the projects, or as a result of events outside our control, such as delays or increased costs as a result of the COVID-19 pandemic or heightened inflation. We expect that any material additional development activities will be funded with borrowings under the unsecured revolving credit facility, the unsecured term loan facility, the public or private issuance of debt or equity securities, the disposition of assets under our capital recycling program, or strategic venture opportunities. We cannot provide assurance that development projects will be completed on the terms, for the amounts or on the timelines currently contemplated, or at all.

Debt Maturities

We believe our conservative leverage, staggered debt maturities and recent amendment to our unsecured revolving credit facility provide us with financial flexibility and enhance our ability to obtain additional sources of liquidity if necessary, and, therefore, we believe we are well-positioned to refinance or repay maturing debt and to pursue our strategy of seeking attractive acquisition opportunities, which we may finance, as necessary, with future public and private issuances of debt and equity securities. However, we can provide no assurance that we will have access to the public or private debt or equity markets in the future on favorable terms or at all. Our next debt maturity occurs in December 2024.

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Potential Future Acquisitions

As discussed in the section “Factors That May Influence Future Results of Operations - Acquisitions,” we continue to evaluate strategic opportunities and remain a disciplined buyer of development and redevelopment opportunities as well as value-add and strategic operating properties, dependent on market conditions and business cycles, among other factors.  We focus on growth opportunities primarily in markets populated by knowledge and creative based tenants in a variety of industries, including technology, media, healthcare, life sciences, entertainment and professional services. We expect that any material acquisitions will be funded with borrowings under the unsecured revolving credit facility, the public or private issuance of debt or equity securities, the disposition of assets under our capital recycling program, the formation of strategic ventures or through the assumption of existing debt, although there can be no assurance in this regard.

We cannot provide assurance that we will enter into any agreements to acquire properties or undeveloped land, or that the potential acquisitions contemplated by any agreements we may enter into in the future will be completed.

Share Repurchases

As of September 30, 2022, 4,935,826 shares remained eligible for repurchase under a share repurchase program approved by the Company’s Board of Directors in 2016. Under this program, repurchases may be made in open market transactions at prevailing prices or through privately negotiated transactions. We may elect to repurchase shares of our common stock under this program in the future depending upon various factors, including market conditions, the trading price of our common stock and our other uses of capital. This program does not have a termination date and repurchases may be discontinued at any time. We intend to fund repurchases, if any, primarily with the proceeds from property dispositions.

Other Potential Future Liquidity Uses

The amounts we incur for tenant improvements and leasing costs depend on leasing activity in each period. Tenant improvements and leasing costs generally fluctuate in any given period depending on factors such as the type and condition of the property, the term of the lease, the type of the lease, the involvement of external leasing agents, and overall market conditions. Capital expenditures may fluctuate in any given period subject to the nature, extent and timing of improvements required to maintain our properties. As the impacts of the COVID-19 pandemic and restrictions intended to prevent its spread subside, there may be a continued lower level of leasing activity when compared to levels prior to the COVID-19 pandemic due to the uncertainty around the timing and extent of employees returning to the office.

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Factors That May Influence Future Sources of Capital and Liquidity of the Company and the Operating Partnership

We continue to evaluate sources of financing for our business activities, including borrowings under the unsecured revolving credit facility, the unsecured term loan facility, issuance of public and private equity securities, unsecured debt and fixed-rate secured mortgage financing, proceeds from the disposition of selective assets through our capital recycling program, and the formation of strategic ventures. However, our ability to obtain new financing or refinance existing borrowings on favorable terms could be impacted by various factors, including the state of the macro economy, the state of the credit and equity markets, significant tenant defaults, a decline in the demand for office properties, a decrease in market rental rates or market values of real estate assets in our submarkets, the amount of our future borrowings and uncertainty related to interest rates, inflation rates, geopolitical events (including the military conflict between Russia and Ukraine) and other factors (refer to “Part I, Item IA. Risk Factors” in our annual report on Form 10-K for the year ended December 31, 2021 and “Part II, Item IA. Risk Factors” included herein for additional information). These events could result in the following:

•Decreases in our cash flows from operations, which could create further dependence on the unsecured revolving credit facility;

•An increase in the proportion of variable-rate debt, which could increase our sensitivity to interest rate fluctuations in the future; and

•A decrease in the value of our properties, which could have an adverse effect on the Operating Partnership’s ability to incur additional debt, refinance existing debt at competitive rates, or comply with its existing debt obligations.

In addition to the factors noted above, the Operating Partnership’s credit ratings are subject to ongoing evaluation by credit rating agencies and may be changed or withdrawn by a rating agency in the future if, in its judgment, circumstances warrant. In the event that the Operating Partnership’s credit ratings are downgraded, we may incur higher borrowing costs and may experience difficulty in obtaining additional financing or refinancing existing indebtedness.

Debt Covenants

The unsecured revolving credit facility, unsecured senior notes, and certain other secured debt arrangements contain covenants and restrictions requiring us to meet certain financial ratios and reporting requirements. Key existing financial covenants and their covenant levels include:

Unsecured Credit Facility and Private Placement Notes (as defined in the applicable Credit Agreements):	Covenant Level	Actual Performance as of September 30, 2022
Total debt to total asset value	less than 60%	29%
Fixed charge coverage ratio	greater than 1.5x	3.9x
Unsecured debt ratio	greater than 1.67x	3.49x
Unencumbered asset pool debt service coverage	greater than 1.75x	4.58x
Unsecured Senior Notes due 2024, 2025, 2028, 2029, 2030, 2032 and 2033 (as defined in the applicable Indentures):
Total debt to total asset value	less than 60%	34%
Interest coverage	greater than 1.5x	8.9x
Secured debt to total asset value	less than 40%	2%
Unencumbered asset pool value to unsecured debt	greater than 150%	304%

The Operating Partnership was in compliance with all of its debt covenants as of September 30, 2022. Our current expectation is that the Operating Partnership will continue to meet the requirements of its debt covenants in both the short and long term. However, in the event of an economic slowdown or continued volatility in the credit markets, there is no certainty that the Operating Partnership will be able to continue to satisfy all the covenant requirements.

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Consolidated Historical Cash Flow Summary

The following summary discussion of our consolidated historical cash flow is based on the consolidated statements of cash flows in Item 1. “Financial Statements” and is not meant to be an all-inclusive discussion of the changes in our cash flow for the periods presented below. Changes in our cash flow include changes in cash and cash equivalents and restricted cash. Our historical cash flow activity for the nine months ended September 30, 2022 as compared to the nine months ended September 30, 2021 is as follows:

	Nine Months Ended September 30,
	2022		2021		Dollar Change		Percentage Change
	($ in thousands)
Net cash provided by operating activities	$	484,230	$	407,560	$	76,670	18.8	%
Net cash used in investing activities	(406,854)		(637,116)		230,262		(36.1)	%
Net cash used in financing activities	(241,469)		(232,115)		(9,354)		4.0	%
Net (decrease) increase in cash and cash equivalents	$	(164,093)	$	(461,671)	$	297,578	(64.5)	%

Operating Activities

Our cash flows from operating activities depends on numerous factors including the occupancy level of our portfolio, the rental rates achieved on our leases, the collectability of rent and recoveries from our tenants, the level of operating expenses, the impact of property acquisitions, completed development projects and related financing activities, and other general and administrative costs. Our net cash provided by operating activities increased by $76.7 million, or 18.8%, for the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 primarily as result of an increase in cash Net Operating Income generated from stabilized development properties in our Development Portfolio and from our Same Store and Acquisition Portfolios, net changes in other operating liabilities related to the timing of expenditures. See additional information under the caption “—Results of Operations.”

Investing Activities

Our cash flows from investing activities is generally used to fund development and operating property acquisitions, expenditures for development and redevelopment projects, and recurring and nonrecurring capital expenditures for our operating properties, net of proceeds received from dispositions of real estate assets. During the nine months ended September 30, 2022 our net cash used in investing activities decreased by $230.3 million or 36.1% compared the nine months ended September 30, 2021 primarily due to decreases in expenditures for acquisitions of operating properties and expenditures for development properties and undeveloped land during the nine months ended September 30, 2022, partially offset by a decrease in proceeds from dispositions of operating properties. We did not complete any acquisitions of operating properties during the nine months ended September 30, 2022.

Financing Activities

Our cash flows from financing activities is principally impacted by our capital raising activities, net of dividends and distributions paid to common and preferred security holders. Our net cash used in financing activities remained generally consistent for the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021. We did not execute any capital raising activities during the nine months ended September 30, 2022 or 2021.

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Non-GAAP Supplemental Financial Measure: Funds From Operations (“FFO”)

We calculate FFO in accordance with the 2018 Restated White Paper on FFO approved by the Board of Governors of NAREIT. The White Paper defines FFO as net income or loss calculated in accordance with GAAP, excluding extraordinary items, as defined by GAAP, gains and losses from sales of depreciable real estate and impairment write-downs associated with depreciable real estate, plus real estate-related depreciation and amortization (excluding amortization of deferred financing costs and depreciation of non-real estate assets) and after adjustment for unconsolidated partnerships and joint ventures. Our calculation of FFO includes the amortization of deferred revenue related to tenant-funded tenant improvements and excludes the depreciation of the related tenant improvement assets. We also add back net income attributable to noncontrolling common units of the Operating Partnership because we report FFO attributable to common stockholders and common unitholders.

We believe that FFO is a useful supplemental measure of our operating performance. The exclusion from FFO of gains and losses from the sale of operating real estate assets allows investors and analysts to readily identify the operating results of the assets that form the core of our activity and assists in comparing those operating results between periods. Also, because FFO is generally recognized as the industry standard for reporting the operations of REITs, it facilitates comparisons of operating performance to other REITs. However, other REITs may use different methodologies to calculate FFO, and accordingly, our FFO may not be comparable to all other REITs.

Implicit in historical cost accounting for real estate assets in accordance with GAAP is the assumption that the value of real estate assets diminishes predictably over time. Since real estate values have historically risen or fallen with market conditions, many industry investors and analysts have considered presentations of operating results for real estate companies using historical cost accounting alone to be insufficient. Because FFO excludes depreciation and amortization of real estate assets, we believe that FFO along with the required GAAP presentations provides a more complete measurement of our performance relative to our competitors and a more appropriate basis on which to make decisions involving operating, financing and investing activities than the required GAAP presentations alone would provide.

However, FFO should not be viewed as an alternative measure of our operating performance because it does not reflect either depreciation and amortization costs or the level of capital expenditures and leasing costs necessary to maintain the operating performance of our properties, which are significant economic costs and could materially impact our results from operations.

The following table presents our FFO for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands)
Net income available to common stockholders	$	79,757	$	47,028	$	179,990	$	580,498
Adjustments:
Net income attributable to noncontrolling common units of the Operating Partnership	664		460		1,695		5,700
Net income attributable to noncontrolling interests in consolidated property partnerships	6,239		6,005		18,333		17,586
Depreciation and amortization of real estate assets	79,410		71,703		261,129		218,171
Gain on sale of depreciable real estate	(17,329)		—		(17,329)		(457,831)
Funds From Operations attributable to noncontrolling interests in consolidated property partnerships	(9,084)		(9,198)		(27,042)		(27,287)
Funds From Operations (1)(2)	$	139,657	$	115,998	$	416,776	$	336,837

________________________

(1)    Reported amounts are attributable to common stockholders, common unitholders and restricted stock unitholders.

(2)    FFO available to common stockholders and unitholders includes amortization of deferred revenue related to tenant-funded tenant improvements of $5.0 million and $4.1 million for the three months ended September 30, 2022 and 2021, respectively, and $14.2 million and $13.0 million for the nine months ended September 30, 2022 and 2021, respectively.

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ITEM 3.     QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Information about our market risk is disclosed in “Part II, Item 7A, Quantitative and Qualitative Disclosures About Market Risk” of our Annual Report on Form 10-K for the fiscal year ended December 31, 2021, and is incorporated herein by reference. There have been no material changes for the nine months ended September 30, 2022, to the information provided in “Part II, Item 7A, Quantitative and Qualitative Disclosures About Market Risk” of our Annual Report on Form 10-K for the fiscal year ended December 31, 2021.

ITEM 4.    CONTROLS AND PROCEDURES

Kilroy Realty Corporation

The Company maintains disclosure controls and procedures (as defined in Rule 13a-15(e) or Rule 15d-15(e) under the Exchange Act) that are designed to ensure that information required to be disclosed in the Company’s reports under the Exchange Act is processed, recorded, summarized and reported within the time periods specified in the SEC’s rules and forms and that such information is accumulated and communicated to management, including the Chief Executive Officer and Chief Financial Officer, as appropriate, to allow for timely decisions regarding required disclosure. In designing and evaluating the disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and management is required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures.

As required by SEC Rule 13a-15(b), the Company carried out an evaluation, under the supervision and with the participation of management, including the Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the disclosure controls and procedures as of September 30, 2022, the end of the period covered by this report. Based on the foregoing, the Company’s Chief Executive Officer and Chief Financial Officer concluded, as of that time, the disclosure controls and procedures were effective at the reasonable assurance level.

There have been no changes that occurred during the period covered by this report in the Company’s internal control over financial reporting identified in connection with the evaluation referenced above that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Kilroy Realty, L.P.

The Operating Partnership maintains disclosure controls and procedures (as defined in Rule 13a-15(e) or Rule 15d-15(e) under the Exchange Act) that are designed to ensure that information required to be disclosed in the Operating Partnership’s reports under the Exchange Act is processed, recorded, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to management, including the Chief Executive Officer and Chief Financial Officer of its general partner, as appropriate, to allow for timely decisions regarding required disclosure. In designing and evaluating the disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and management is required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures.

As required by SEC Rule 13a-15(b), the Operating Partnership carried out an evaluation, under the supervision and with the participation of management, including the Chief Executive Officer and Chief Financial Officer of its general partner, of the effectiveness of the design and operation of the disclosure controls and procedures as of September 30, 2022, the end of the period covered by this report. Based on the foregoing, the Chief Executive Officer and Chief Financial Officer of its general partner concluded, as of that time, the disclosure controls and procedures were effective at the reasonable assurance level.

There have been no changes that occurred during the period covered by this report in the Operating Partnership’s internal control over financial reporting identified in connection with the evaluation referenced above that have materially affected, or are reasonably likely to materially affect, the Operating Partnership’s internal control over financial reporting.

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PART II – OTHER INFORMATION

ITEM 1.    LEGAL PROCEEDINGS

We and our properties are subject to routine litigation incidental to our business. These matters are generally covered by insurance. As of September 30, 2022, we are not a defendant in, and our properties are not subject to, any legal proceedings that we believe, if determined adversely to us, would have a material adverse effect upon our financial condition, results of operations or cash flows.

ITEM 1A.    RISK FACTORS

There have been no material changes to the risk factors included in the Company’s and the Operating Partnership’s annual report on Form 10-K for the year ended December 31, 2021, other than as set forth below, which supplements the risk factors included in the Company’s and the Operating Partnership’s annual report on Form 10-K for the year ended December 31, 2021.

Many of our costs, such as operating and general and administrative expenses, interest expense and real estate acquisition and construction costs, could be adversely impacted by periods of heightened inflation. In recent months, the consumer price index has increased substantially. Federal policies and recent global events, such as the rising price of oil and the conflict between Russia and Ukraine, may have exacerbated, and may continue to exacerbate, increases in the consumer price index.

A sustained or further increase in inflation could have an adverse impact on our operating expenses incurred in connection with, among others, the property-related contracted services such as repairs and maintenance, janitorial, utilities, security and insurance. Our operating expenses, with the exception of ground lease rental expenses, may be recoverable through our lease arrangements. In general, the office and life science properties are leased to tenants on a triple net, full service gross or modified gross basis. Under a triple net lease, the tenants pay their proportionate share of real estate taxes, operating costs and utility costs. Under a full service gross lease, we are obligated to pay the tenant’s proportionate share of real estate taxes, insurance and operating expenses up to the amount incurred during the “base year,” which is typically the tenant’s first year of occupancy. The tenant pays its pro-rata share of increases in expenses above the base year. A modified gross lease is similar to a full service gross lease, except tenants are obligated to pay their proportionate share of certain operating expenses, usually electricity, directly to the service provider. At September 30, 2022, 44% of our properties were leased to tenants on a triple net basis, 24% of our properties were leased to tenants on a full service gross basis, 24% were leased to tenants on a modified gross basis, and 8% were leased to tenants on a modified net basis, in each case as a percentage of our annualized base rental revenue.

During inflationary periods, we expect to recover some increases in operating expenses from our tenants through our existing lease structures. As a result, we do not believe that inflation would result in a significant adverse effect on our net operating income and operating cash flows at the property level. However, there can be no assurance that our tenants would be able to absorb these expense increases and be able to continue to pay us their portion of operating expenses, capital expenditures and rent. Also, due to rising costs, our tenants may be unable to continue operating their businesses altogether. Alternatively, our tenants may decide to relocate to areas with lower rent and operating expenses where we may not currently own properties, and our tenants may cease to lease properties from us. Such adverse impacts on our tenants may cause increased vacancies, which may add pressure to lower rents and increase our expenditures for re-leasing. The success of our business depends in large part on our ability to operate our properties effectively. If we are unable to retain our tenants or withstand increases in operating expenses, capital expenditures and rental costs, we may be unable to meet our financial expectations, which may adversely affect our business, financial condition, results of operations, cash flows, liquidity and ability to satisfy our debt service obligations and to pay dividends and distributions to security holders.

Our general and administrative expenses consist primarily of compensation costs, technology services and professional service fees. Rising inflation rates may require us to provide compensation increases beyond historical annual increases, which may unexpectedly or significantly increase our compensation costs. Similarly, technology services and professional service fees are also subject to the impact of inflation and expected to increase proportionately with increasing market prices for such services. Consequently, inflation may increase our general and administrative expenses over time and may adversely impact our results of operations and cash flows.

Also, during inflationary periods, interest rates have historically increased. In March 2022, the Federal Reserve began, and is expected to continue, to raise interest rates in an effort to curb inflation. Our exposure to increases in interest rates in the short term is limited to our variable-rate borrowings, which consist of borrowings under our unsecured lines of credit. As of September 30, 2022, we had no borrowings under our unsecured revolving credit facility. However, the effect of inflation on interest rates could increase our financing costs over time, either through near-term borrowings on our floating-rate line of

55

credit or refinancing of our existing borrowings that may incur higher interest expenses related to the issuance of new debt. On October 3, 2022, we entered into a $400.0 million unsecured term loan facility, which provides for variable-rate borrowings. For more information, see “Item 1A. Risk Factors—Risks Related to our Indebtedness—An increase in interest rates would increase our interest costs on variable rate debt and new debt and could adversely affect our ability to refinance existing debt, conduct development, redevelopment and acquisition activity and recycle capital” in our Annual Report on Form 10-K for the year ended December 31, 2021.

In addition, historically, during periods of increasing interest rates, real estate valuations have generally decreased as a result of rising capitalization rates, which tend to be positively correlated with interest rates. Consequently, prolonged periods of higher interest rates may negatively impact the valuation of our portfolio and result in the decline of the quoted trading price of our securities, and our market capitalization, and lower sales proceeds from future dispositions.

As of September 30, 2022, approximately 91.4% of our leases (as a percentage of our annualized base rental revenue) contained effective annual rent escalations of at least 3%. We have long-term lease agreements with our tenants, of which approximately 9.7% (based on leased rentable square footage) expire each year over the next ten years. We believe that these annual lease expirations allow us to reset these leases to market rents upon renewal or re-leasing and that annual rent escalations within our long-term leases are generally sufficient to offset the effect of inflation on non-recoverable costs, such as general and administrative expenses and interest expense. However, the impact of the current rate of inflation of 8.2% may not be adequately offset by some of our annual rent escalations, and it is possible that the resetting of rents from our renewal and re-leasing activities would not fully offset the impact of the current inflation rate. As a result, during inflationary periods in which the inflation rate exceeds the annual rent escalation percentages within our lease contracts, we may not adequately mitigate the impact of inflation, which may adversely affect to our business, financial condition, results of operations, and cash flows.

Additionally, inflationary pricing may have a negative effect on the construction costs necessary to complete our development and redevelopment projects, including, but not limited to, costs of construction materials, labor and services from third-party contractors and suppliers. We rely on a number of third-party suppliers and contractors to supply raw materials, skilled labor and services for our construction projects. Certain increases in the costs of construction materials can often be managed in our development and redevelopment projects through either general budget contingencies built into our overall construction costs estimates for each of our projects or guaranteed maximum price construction contracts, which stipulate a maximum price for certain construction costs and shift inflation risk to our construction general contractors. However, no assurance can be given that our budget contingencies would accurately account for potential construction cost increases given the current severity of inflation and variety of contributing factors or that our general contractors would be able to absorb such increases in costs and complete our construction projects timely, within budget, or at all.

We have not encountered significant difficulty collaborating with our third-party suppliers and contractors and obtaining materials and skilled labor, and we have not experienced significant delays or increases in overall project costs due to the factors discussed above. While we do not rely on any single supplier or vendor for the majority of our materials and skilled labor, we may experience difficulties obtaining necessary materials from suppliers or vendors whose supply chains might become impacted by economic or political changes, shortages of shipping containers and/or means of transportation, or difficulties obtaining adequate skilled labor from third-party contractors in a tightening labor market. It is uncertain whether we would be able to source the essential commodities, supplies, materials and skilled labor timely or at all without incurring significant costs or delays, particularly during times of economic uncertainty resulting from events outside of our control, including, but not limited to, effects of the COVID- 19 pandemic, federal policies and the ongoing Russia-Ukraine conflict.

Higher construction costs could adversely impact our investments in real estate assets and expected yields on our development and redevelopment projects, which may make otherwise lucrative investment opportunities less profitable to us. Our reliance on a number of third-party suppliers and contractors may also make such investment opportunities unattainable if we are unable to sufficiently fund our projects due to significant cost increases or are unable to obtain the resources and materials to do so reasonably due to disrupted supply chains. As a result, our business, financial condition, results of operations, cash flows, liquidity and ability to satisfy our debt service obligations and to pay dividends and distributions to security holders could be adversely affected over time.

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ITEM 2.     UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

(a) Recent Sales of Unregistered Securities: None.

(b) Use of Proceeds from Registered Securities: None.

(c) Purchases of Equity Securities by the Issuer and Affiliated Purchasers:

The table below reflects our purchases of common stock during each of the three months in the three-month period ended

September 30, 2022.

Period	Total Number of Shares of Stock Purchased (1)	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number (or Approximate Dollar Value) that May Yet be Purchased Under the Plans or Programs
July 1, 2022 - July 31, 2022	—	$	—	—	—
August 1, 2022 - August 31, 2022	5,037	49.04		—	—
September 1, 2022 - September 30, 2022	410	49.81		—	—
Total	5,447	$	49.10	—	—

________________________

(1)Represents shares of common stock remitted to the Company to satisfy tax withholding obligations in connection with the distribution of, or the vesting and distribution of, restricted stock units or restricted stock in shares of common stock. The value of such shares of common stock remitted to the Company was based on the closing price of the Company’s common stock on the applicable withholding date.

ITEM 3.    DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4.    MINE SAFETY DISCLOSURES

None.

ITEM 5.    OTHER INFORMATION

None.

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ITEM 6.     EXHIBITS

 

Exhibit Number	Description
3.(i)1	Articles of Amendment and Restatement of Kilroy Realty Corporation (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on May 21, 2020)
3.(i)2	Certificate of Limited Partnership of Kilroy Realty, L.P. (previously filed by Kilroy Realty, L.P., as an exhibit to the General Form for Registration of Securities on Form 10 as filed with the Securities and Exchange Commission on August 18, 2010)
3.(i)3	Amendment to the Certificate of Limited Partnership of Kilroy Realty, L.P. (previously filed by Kilroy Realty, L.P., as an exhibit to the General Form for Registration of Securities on Form 10 as filed with the Securities and Exchange Commission on August 18, 2010)
3.(i)4	Articles Supplementary reclassifying shares of the Series G Preferred Stock of the Company (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on August 23, 2017)
3.(i)5	Articles Supplementary reclassifying shares of the Series H Preferred Stock of the Company (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on August 23, 2017)
3.(ii)1	Seventh Amended and Restated Bylaws of Kilroy Realty Corporation (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on May 20, 2021)
3.(ii)2	Seventh Amended and Restated Agreement of Limited Partnership of Kilroy Realty, L.P. dated as of August 15, 2012, as amended (previously filed by Kilroy Realty Corporation on Form 10-Q for the quarter ended June 30, 2014)
31.1*	Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer of Kilroy Realty Corporation
31.2*	Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer of Kilroy Realty Corporation
31.3*	Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer of Kilroy Realty, L.P.
31.4*	Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer of Kilroy Realty, L.P.
32.1*	Section 1350 Certification of Chief Executive Officer of Kilroy Realty Corporation
32.2*	Section 1350 Certification of Chief Financial Officer of Kilroy Realty Corporation
32.3*	Section 1350 Certification of Chief Executive Officer of Kilroy Realty, L.P.
32.4*	Section 1350 Certification of Chief Financial Officer of Kilroy Realty, L.P.
101.1	The following Kilroy Realty Corporation and Kilroy Realty, L.P. financial information for the quarter ended September 30, 2022, formatted in inline XBRL (eXtensible Business Reporting Language): (i) Consolidated Balance Sheets (unaudited), (ii) Consolidated Statements of Operations (unaudited), (iii) Consolidated Statements of Equity (unaudited), (iv) Consolidated Statements of Capital (unaudited), (v) Consolidated Statements of Cash Flows (unaudited) and (vi) Notes to the Consolidated Financial Statements (unaudited).(1)
104.1*	Cover Page Interactive Data File - The cover page interactive data file does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document.

_______________

*	Filed herewith.
†	Management contract or compensatory plan or arrangement.
(1)	Pursuant to Rule 406T of Regulation S-T, these interactive data files are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933 or Section 18 of the Securities Exchange Act of 1934 and otherwise are not subject to liability under these sections.

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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 on October 26, 2022.

KILROY REALTY CORPORATION
	By:	/s/ John Kilroy
		John Kilroy Chief Executive Officer (Principal Executive Officer)
	By:	/s/ Eliott Trencher
		Eliott Trencher Executive Vice President, Chief Investment Officer, Interim Chief Financial Officer (Principal Financial Officer)
	By:	/s/ Merryl E. Werber
		Merryl E. Werber Senior Vice President, Chief Accounting Officer and Controller (Principal Accounting Officer)

59

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 on October 26, 2022.

KILROY REALTY, L.P.
BY:	KILROY REALTY CORPORATION
	Its general partner
	By:	/s/ John Kilroy
		John Kilroy Chief Executive Officer (Principal Executive Officer)
	By:	/s/ Eliott Trencher
		Eliott Trencher Executive Vice President, Chief Investment Officer, Interim Chief Financial Officer (Principal Financial Officer)
	By:	/s/ Merryl E. Werber
		Merryl E. Werber Senior Vice President, Chief Accounting Officer and Controller (Principal Accounting Officer)

 

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EX-31.1

Exhibit 31.1

Certification of Chief Executive Officer

Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, John Kilroy, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Kilroy Realty Corporation;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s Board of Directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ John Kilroy

John Kilroy

Chief Executive Officer

Date: October 26, 2022

EX-31.2

Exhibit 31.2

Certification of Chief Financial Officer

Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Eliott Trencher, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Kilroy Realty Corporation;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s Board of Directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ Eliott Trencher

Eliott Trencher

Executive Vice President, Chief Investment Officer,
Interim Chief Financial Officer

Date: October 26, 2022

EX-31.3

Exhibit 31.3

Certification of Chief Executive Officer

Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, John Kilroy, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Kilroy Realty, L.P.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s Board of Directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ John Kilroy

John Kilroy

Chief Executive Officer

Kilroy Realty Corporation, sole general partner of
  Kilroy Realty, L.P.

Date: October 26, 2022

EX-31.4

Exhibit 31.4

Certification of Chief Financial Officer

Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Eliott Trencher, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Kilroy Realty, L.P.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's Board of Directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

/s/ Eliott Trencher

Eliott Trencher

Executive Vice President, Chief Investment Officer,
Interim Chief Financial Officer

Kilroy Realty Corporation, sole general partner of
Kilroy Realty, L.P.

Date: October 26, 2022

EX-32.1

Exhibit 32.1

Certification of Chief Executive Officer

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Kilroy Realty Corporation (the “Company”) hereby certifies, to his knowledge, that:

(i)the accompanying Quarterly Report on Form 10-Q of the Company for the quarter ended September 30, 2022 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

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

/s/ John Kilroy
John Kilroy
Chief Executive Officer
Date:	October 26, 2022

The foregoing certification is being furnished solely pursuant to 18 U.S.C. § 1350, is not being filed as part of the Report or as a separate disclosure document, and is not being incorporated by reference into any filing of the Company or Kilroy Realty, L.P. under the Securities Act of 1933, as amended, or the Securities Act of 1934, as amended, (whether made before or after the date of the Report) irrespective of any general incorporation language contained in such filing. The signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.2

Exhibit 32.2

Certification of Chief Financial Officer

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Kilroy Realty Corporation (the “Company”) hereby certifies, to his knowledge, that:

(i)the accompanying Quarterly Report on Form 10-Q of the Company for the quarter ended September 30, 2022 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

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

/s/ Eliott Trencher
Eliott Trencher
Executive Vice President, Chief Investment Officer, Interim Chief Financial Officer
Date:	October 26, 2022

The foregoing certification is being furnished solely pursuant to 18 U.S.C. § 1350, is not being filed as part of the Report or as a separate disclosure document, and is not being incorporated by reference into any filing of the Company or Kilroy Realty, L.P. under the Securities Act of 1933, as amended, or the Securities Act of 1934, as amended, (whether made before or after the date of the Report) irrespective of any general incorporation language contained in such filing. The signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.3

Exhibit 32.3

Certification of Chief Executive Officer

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Kilroy Realty Corporation, the sole general partner of Kilroy Realty, L.P. (the “Operating Partnership”), hereby certifies, to his knowledge, that:

(i)the accompanying Quarterly Report on Form 10-Q of the Operating Partnership for the quarter ended September 30, 2022 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

(ii)the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Operating Partnership.

/s/ John Kilroy
John Kilroy
Chief Executive Officer
Kilroy Realty Corporation, sole general partner of Kilroy Realty, L.P.
Date:	October 26, 2022

The foregoing certification is being furnished solely pursuant to 18 U.S.C. § 1350, is not being filed as part of the Report or as a separate disclosure document, and is not being incorporated by reference into any filing of Kilroy Realty Corporation or the Operating Partnership under the Securities Act of 1933, as amended, or the Securities Act of 1934, as amended, (whether made before or after the date of the Report) irrespective of any general incorporation language contained in such filing. The signed original of this written statement required by Section 906 has been provided to the Operating Partnership and will be retained by the Operating Partnership and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.4

Exhibit 32.4

Certification of Chief Financial Officer

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Kilroy Realty Corporation, the sole general partner of Kilroy Realty, L.P. (the “Operating Partnership”), hereby certifies, to his knowledge, that:

(i)the accompanying Quarterly Report on Form 10-Q of the Operating Partnership for the quarter ended September 30, 2022 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

(ii)the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Operating Partnership.

/s/ Eliott Trencher
Eliott Trencher
Executive Vice President, Chief Investment Officer, Interim Chief Financial Officer
Kilroy Realty Corporation, sole general partner of Kilroy Realty, L.P.
Date:	October 26, 2022

The foregoing certification is being furnished solely pursuant to 18 U.S.C. § 1350, is not being filed as part of the Report or as a separate disclosure document, and is not being incorporated by reference into any filing of Kilroy Realty Corporation or the Operating Partnership under the Securities Act of 1933, as amended, or the Securities Act of 1934, as amended, (whether made before or after the date of the Report) irrespective of any general incorporation language contained in such filing. The signed original of this written statement required by Section 906 has been provided to the Operating Partnership and will be retained by the Operating Partnership and furnished to the Securities and Exchange Commission or its staff upon request.

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Cover Page - shares	9 Months Ended
	Sep. 30, 2022	Oct. 21, 2022
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2022
Document Transition Report	false
Entity File Number	1-12675
Entity Registrant Name	KILROY REALTY CORPORATION
Entity Incorporation, State Code	MD
Entity Tax Identification Number	95-4598246
Entity Address, Address Line One	12200 W. Olympic Boulevard
Entity Address, Address Line Two	Suite 200
Entity Address, City or Town	Los Angeles
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	90064
City Area Code	310
Local Phone Number	481-8400
Title of 12(b) Security	Common Stock, $.01 par value
Security Exchange Name	NYSE
Trading Symbol	KRC
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		116,877,453
Entity Central Index Key	0001025996
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q3
Amendment Flag	false
Kilroy Realty L.P.
Entity Information [Line Items]
Entity File Number	000-54005
Entity Registrant Name	KILROY REALTY, L.P.
Entity Incorporation, State Code	DE
Entity Tax Identification Number	95-4612685
Title of 12(g) Security	Common Units Representing Limited Partnership Interests
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Central Index Key	0001493976
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q3
Amendment Flag	false

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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
REAL ESTATE ASSETS (Notes 2 and 3):
Land and improvements	$ 1,743,194	$ 1,731,982
Buildings and improvements	7,693,247	7,543,585
Undeveloped land and construction in progress	2,183,071	2,017,126
Total real estate assets held for investment	11,619,512	11,292,693
Accumulated depreciation and amortization	(2,150,060)	(2,003,656)
Total real estate assets held for investment, net	9,469,452	9,289,037
CASH AND CASH EQUIVALENTS	249,981	414,077
RESTRICTED CASH	13,009	13,006
MARKETABLE SECURITIES (Note 11)	22,390	27,475
CURRENT RECEIVABLES, NET	15,885	14,386
DEFERRED RENT RECEIVABLES, NET	442,987	405,665
DEFERRED LEASING COSTS AND ACQUISITION-RELATED INTANGIBLE ASSETS, NET	214,484	234,458
RIGHT OF USE GROUND LEASE ASSETS	126,708	127,302
PREPAID EXPENSES AND OTHER ASSETS, NET	65,096	57,991
TOTAL ASSETS	10,619,992	10,583,397
LIABILITIES:
Secured debt, net (Notes 4 and 11)	244,316	248,367
Unsecured debt, net (Notes 4 and 11)	3,823,532	3,820,383
Accounts payable, accrued expenses and other liabilities	424,087	391,264
Ground lease liabilities	125,065	125,550
Accrued dividends and distributions (Note 16)	64,271	61,850
Deferred revenue and acquisition-related intangible liabilities, net	176,105	171,151
Rents received in advance and tenant security deposits	82,839	74,962
Total liabilities	4,940,215	4,893,527
COMMITMENTS AND CONTINGENCIES (Note 10)
Stockholders’ Equity
Common stock, $.01 par value, 280,000,000 shares authorized, 116,877,453 and 116,464,169 shares issued and outstanding, respectively	1,169	1,165
Additional paid-in capital	5,162,088	5,155,232
Retained earnings	276,138	283,663
Total stockholders’ equity	5,439,395	5,440,060
Noncontrolling Interests
Common units of the Operating Partnership	53,475	53,746
Noncontrolling interests in consolidated property partnerships	186,907	196,064
Total noncontrolling interests	240,382	249,810
Total equity	5,679,777	5,689,870
TOTAL LIABILITIES AND EQUITY (CAPITAL)	$ 10,619,992	$ 10,583,397

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	280,000,000	280,000,000
Common stock, shares issued (in shares)	116,877,453	116,464,169
Common stock, shares outstanding (in shares)	116,877,453	116,464,169

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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenue, Product and Service [Extensible List]	Service [Member]	Service [Member]
REVENUES
Rental income (Note 9)	$ 272,546	$ 230,720	$ 804,330	$ 689,849
Other property income	3,412	1,606	8,313	4,106
Total revenues	275,958	232,326	812,643	693,955
EXPENSES
Property expenses	52,075	40,842	147,421	120,183
Real estate taxes	27,415	24,153	78,718	71,528
Ground leases	1,771	1,708	5,473	5,559
General and administrative expenses (Note 8)	23,524	22,990	68,425	69,482
Leasing costs	1,015	798	3,475	2,373
Depreciation and amortization	81,140	73,213	266,215	222,734
Total expenses	186,940	163,704	569,727	491,859
OTHER INCOME (EXPENSES)
Interest and other income, net	295	976	501	3,686
Interest expense (Note 4)	(19,982)	(16,105)	(60,728)	(59,829)
Gain on sale of depreciable operating property (Note 3)	17,329	0	17,329	457,831
Total other (expenses) income	(2,358)	(15,129)	(42,898)	401,688
NET INCOME	86,660	53,493	200,018	603,784
Net income attributable to noncontrolling common units of the Operating Partnership	(664)	(460)	(1,695)	(5,700)
Net income attributable to noncontrolling interests in consolidated property partnerships	(6,239)	(6,005)	(18,333)	(17,586)
Total income attributable to noncontrolling interests	(6,903)	(6,465)	(20,028)	(23,286)
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS (UNITHOLDERS)	$ 79,757	$ 47,028	$ 179,990	$ 580,498
Net income available to common stockholders per share – basic (in dollars per share)	$ 0.68	$ 0.40	$ 1.53	$ 4.98
Net income available to common stockholders per share – diluted (in dollars per share)	$ 0.68	$ 0.40	$ 1.53	$ 4.96
Weighted average common shares outstanding – basic (in shares)	116,872,953	116,456,796	116,782,621	116,418,113
Weighted average common shares outstanding – diluted (in shares)	117,242,411	116,962,680	117,163,149	116,894,434

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CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Total Stock- holders’ Equity	Common Stock	Additional Paid-in Capital	Retained Earnings (Distributions in Excess of Earnings)	Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2020			116,035,827
Beginning balance at Dec. 31, 2020	$ 5,277,321	$ 5,029,943	$ 1,160	$ 5,131,916	$ (103,133)	$ 247,378
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	507,411	497,631			497,631	9,780
Issuance of share-based compensation awards	1,950	1,950		1,950
Non-cash amortization of share-based compensation (Note 8)	9,604	9,604		9,604
Settlement of restricted stock units for shares of common stock (in shares)			769,701
Settlement of restricted stock units for shares of common stock	0		$ 8	(8)
Repurchase of common stock and restricted stock units (in shares)			(355,158)
Repurchase of common stock and restricted stock units	(21,137)	(21,137)	$ (3)	(21,134)
Distributions to noncontrolling interests in consolidated property partnerships	(11,680)					(11,680)
Adjustment for noncontrolling interest	0	256		256		(256)
Dividends declared per common share and common unit	(60,577)	(60,002)			(60,002)	(575)
Ending balance (in shares) at Mar. 31, 2021			116,450,370
Ending balance at Mar. 31, 2021	5,702,892	5,458,245	$ 1,165	5,122,584	334,496	244,647
Beginning balance (in shares) at Dec. 31, 2020			116,035,827
Beginning balance at Dec. 31, 2020	5,277,321	5,029,943	$ 1,160	5,131,916	(103,133)	247,378
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	603,784
Contributions from noncontrolling interests in consolidated property partnerships	1,591
Ending balance (in shares) at Sep. 30, 2021			116,461,683
Ending balance at Sep. 30, 2021	5,690,638	5,444,464	$ 1,165	5,146,049	297,250	246,174
Beginning balance (in shares) at Mar. 31, 2021			116,450,370
Beginning balance at Mar. 31, 2021	5,702,892	5,458,245	$ 1,165	5,122,584	334,496	244,647
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	42,880	35,839			35,839	7,041
Issuance of share-based compensation awards	645	645		645
Non-cash amortization of share-based compensation (Note 8)	11,193	11,193		11,193
Settlement of restricted stock units for shares of common stock (in shares)			3,840
Settlement of restricted stock units for shares of common stock	0
Distributions to noncontrolling interests in consolidated property partnerships	(4,692)					(4,692)
Adjustment for noncontrolling interest	0	(102)		(102)		102
Dividends declared per common share and common unit	(59,453)	(58,877)			(58,877)	(576)
Ending balance (in shares) at Jun. 30, 2021			116,454,210
Ending balance at Jun. 30, 2021	5,693,465	5,446,943	$ 1,165	5,134,320	311,458	246,522
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	53,493	47,028			47,028	6,465
Issuance of share-based compensation awards	650	650		650
Non-cash amortization of share-based compensation (Note 8)	11,477	11,477		11,477
Settlement of restricted stock units for shares of common stock (in shares)			11,743
Settlement of restricted stock units for shares of common stock	0		$ 0	0
Repurchase of common stock and restricted stock units (in shares)			(4,270)
Repurchase of common stock and restricted stock units	(282)	(282)	$ 0	(282)
Contributions from noncontrolling interests in consolidated property partnerships						1,591
Contributions from noncontrolling interests in consolidated property partnerships	1,591
Distributions to noncontrolling interests in consolidated property partnerships	(7,922)					(7,922)
Adjustment for noncontrolling interest	0	(116)		(116)		116
Dividends declared per common share and common unit	(61,834)	(61,236)			(61,236)	(598)
Ending balance (in shares) at Sep. 30, 2021			116,461,683
Ending balance at Sep. 30, 2021	$ 5,690,638	5,444,464	$ 1,165	5,146,049	297,250	246,174
Beginning balance (in shares) at Dec. 31, 2021	116,464,169		116,464,169
Beginning balance at Dec. 31, 2021	$ 5,689,870	5,440,060	$ 1,165	5,155,232	283,663	249,810
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	59,383	53,128			53,128	6,255
Issuance of share-based compensation awards	1,942	1,942		1,942
Non-cash amortization of share-based compensation (Note 8)	6,598	6,598		6,598
Settlement of restricted stock units for shares of common stock (in shares)			459,050
Settlement of restricted stock units for shares of common stock	0		$ 5	(5)
Repurchase of common stock and restricted stock units (in shares)			(207,139)
Repurchase of common stock and restricted stock units	(13,994)	(13,994)	$ (3)	(13,991)
Distributions to noncontrolling interests in consolidated property partnerships	(14,842)					(14,842)
Adjustment for noncontrolling interest	0	192		192		(192)
Dividends declared per common share and common unit	(63,196)	(62,598)			(62,598)	(598)
Ending balance (in shares) at Mar. 31, 2022			116,716,080
Ending balance at Mar. 31, 2022	$ 5,665,761	5,425,328	$ 1,167	5,149,968	274,193	240,433
Beginning balance (in shares) at Dec. 31, 2021	116,464,169		116,464,169
Beginning balance at Dec. 31, 2021	$ 5,689,870	5,440,060	$ 1,165	5,155,232	283,663	249,810
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	200,018
Contributions from noncontrolling interests in consolidated property partnerships	$ 0
Ending balance (in shares) at Sep. 30, 2022	116,877,453		116,877,453
Ending balance at Sep. 30, 2022	$ 5,679,777	5,439,395	$ 1,169	5,162,088	276,138	240,382
Beginning balance (in shares) at Mar. 31, 2022			116,716,080
Beginning balance at Mar. 31, 2022	5,665,761	5,425,328	$ 1,167	5,149,968	274,193	240,433
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	53,975	47,105			47,105	6,870
Issuance of share-based compensation awards	635	635		635
Non-cash amortization of share-based compensation (Note 8)	9,665	9,665		9,665
Settlement of restricted stock units for shares of common stock (in shares)			273,382
Settlement of restricted stock units for shares of common stock	0		$ 2	(2)
Repurchase of common stock and restricted stock units (in shares)			(118,492)
Repurchase of common stock and restricted stock units	(8,660)	(8,660)	$ 0	(8,660)
Distributions to noncontrolling interests in consolidated property partnerships	(6,948)					(6,948)
Adjustment for noncontrolling interest	0	99		99		(99)
Dividends declared per common share and common unit	(61,877)	(61,278)			(61,278)	(599)
Ending balance (in shares) at Jun. 30, 2022			116,870,970
Ending balance at Jun. 30, 2022	5,652,551	5,412,894	$ 1,169	5,151,705	260,020	239,657
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	86,660	79,757			79,757	6,903
Issuance of share-based compensation awards	505	505		505
Non-cash amortization of share-based compensation (Note 8)	10,287	10,287		10,287
Settlement of restricted stock units for shares of common stock (in shares)			11,930
Settlement of restricted stock units for shares of common stock	0
Repurchase of common stock and restricted stock units (in shares)			(5,447)
Repurchase of common stock and restricted stock units	(267)	(267)	$ 0	(267)
Distributions to noncontrolling interests in consolidated property partnerships	(5,700)					(5,700)
Adjustment for noncontrolling interest	0	(142)		(142)		142
Dividends declared per common share and common unit	$ (64,259)	(63,639)			(63,639)	(620)
Ending balance (in shares) at Sep. 30, 2022	116,877,453		116,877,453
Ending balance at Sep. 30, 2022	$ 5,679,777	$ 5,439,395	$ 1,169	$ 5,162,088	$ 276,138	$ 240,382

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CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share and common unit (in dollars per share)	$ 0.54	$ 0.52	$ 0.52	$ 0.52	$ 0.500	$ 0.500

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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 200,018	$ 603,784
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of real estate assets and leasing costs	261,129	218,171
Depreciation of non-real estate furniture, fixtures and equipment	5,086	4,563
Revenue reversals for doubtful accounts, net (Note 9)	191	2,830
Non-cash amortization of share-based compensation awards	21,635	26,486
Non-cash amortization of deferred financing costs and debt discounts	2,442	2,232
Non-cash amortization of net below market rents	(8,171)	(3,704)
Gain on sale of depreciable operating property (Note 3)	(17,329)	(457,831)
Non-cash amortization of deferred revenue related to tenant-funded tenant improvements	(14,221)	(12,982)
Straight-line rents	(38,239)	(41,238)
Amortization of right of use ground lease assets	594	886
Net change in other operating assets	(5,323)	(5,767)
Net change in other operating liabilities	76,418	70,130
Net cash provided by operating activities	484,230	407,560
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for acquisitions of development properties and undeveloped land (Note 2)	(40,033)	(586,927)
Expenditures for development and redevelopment properties and undeveloped land	(334,711)	(436,839)
Expenditures for acquisitions of operating properties (Note 2)	0	(537,429)
Expenditures for operating properties and other capital assets	(65,526)	(90,280)
Net proceeds received from disposition (Note 3)	33,416	1,013,359
Net decrease in acquisition-related deposits	0	1,000
Net cash used in investing activities	(406,854)	(637,116)
CASH FLOWS FROM FINANCING ACTIVITIES:
Financing costs	(3,083)	(7,801)
Repurchase of common stock and restricted stock units	(22,921)	(21,419)
Distributions to noncontrolling interests in consolidated property partnerships	(27,497)	(24,303)
Dividends and distributions paid to common stockholders and common unitholders	(183,822)	(176,196)
Principal payments and repayments of secured debt	(4,146)	(3,987)
Contributions from noncontrolling interests in consolidated property partnerships	0	1,591
Net cash used in financing activities	(241,469)	(232,115)
Net decrease in cash and cash equivalents and restricted cash	(164,093)	(461,671)
Cash and cash equivalents and restricted cash, beginning of period	427,083	823,130
Cash and cash equivalents and restricted cash, end of period	$ 262,990	$ 361,459

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CONSOLIDATED BALANCE SHEETS (KILROY REALTY, L.P.) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
REAL ESTATE ASSETS (Notes 2 and 3):
Land and improvements	$ 1,743,194	$ 1,731,982
Buildings and improvements	7,693,247	7,543,585
Undeveloped land and construction in progress	2,183,071	2,017,126
Total real estate assets held for investment	11,619,512	11,292,693
Accumulated depreciation and amortization	(2,150,060)	(2,003,656)
Total real estate assets held for investment, net	9,469,452	9,289,037
CASH AND CASH EQUIVALENTS	249,981	414,077
RESTRICTED CASH	13,009	13,006
MARKETABLE SECURITIES (Note 11)	22,390	27,475
CURRENT RECEIVABLES, NET	15,885	14,386
DEFERRED RENT RECEIVABLES, NET	442,987	405,665
DEFERRED LEASING COSTS AND ACQUISITION-RELATED INTANGIBLE ASSETS, NET	214,484	234,458
RIGHT OF USE GROUND LEASE ASSETS	126,708	127,302
PREPAID EXPENSES AND OTHER ASSETS, NET	65,096	57,991
TOTAL ASSETS	10,619,992	10,583,397
LIABILITIES:
Secured debt, net (Notes 4 and 11)	244,316	248,367
Unsecured debt, net (Notes 4 and 11)	3,823,532	3,820,383
Accounts payable, accrued expenses and other liabilities	424,087	391,264
Ground lease liabilities	125,065	125,550
Accrued dividends and distributions (Note 16)	64,271	61,850
Deferred revenue and acquisition-related intangible liabilities, net	176,105	171,151
Rents received in advance and tenant security deposits	82,839	74,962
Liabilities	4,940,215	4,893,527
COMMITMENTS AND CONTINGENCIES (Note 10)
CAPITAL:
TOTAL LIABILITIES AND EQUITY (CAPITAL)	10,619,992	10,583,397
Kilroy Realty L.P.
REAL ESTATE ASSETS (Notes 2 and 3):
Land and improvements	1,743,194	1,731,982
Buildings and improvements	7,693,247	7,543,585
Undeveloped land and construction in progress	2,183,071	2,017,126
Total real estate assets held for investment	11,619,512	11,292,693
Accumulated depreciation and amortization	(2,150,060)	(2,003,656)
Total real estate assets held for investment, net	9,469,452	9,289,037
CASH AND CASH EQUIVALENTS	249,981	414,077
RESTRICTED CASH	13,009	13,006
MARKETABLE SECURITIES (Note 11)	22,390	27,475
CURRENT RECEIVABLES, NET	15,885	14,386
DEFERRED RENT RECEIVABLES, NET	442,987	405,665
DEFERRED LEASING COSTS AND ACQUISITION-RELATED INTANGIBLE ASSETS, NET	214,484	234,458
RIGHT OF USE GROUND LEASE ASSETS	126,708	127,302
PREPAID EXPENSES AND OTHER ASSETS, NET	65,096	57,991
TOTAL ASSETS	10,619,992	10,583,397
LIABILITIES:
Secured debt, net (Notes 4 and 11)	244,316	248,367
Unsecured debt, net (Notes 4 and 11)	3,823,532	3,820,383
Accounts payable, accrued expenses and other liabilities	424,087	391,264
Ground lease liabilities	125,065	125,550
Accrued dividends and distributions (Note 16)	64,271	61,850
Deferred revenue and acquisition-related intangible liabilities, net	176,105	171,151
Rents received in advance and tenant security deposits	82,839	74,962
Liabilities	4,940,215	4,893,527
COMMITMENTS AND CONTINGENCIES (Note 10)
CAPITAL:
Common units, 116,716,080 and 116,464,169 held by the general partner and 1,150,574 and 1,150,574 held by common limited partners issued and outstanding, respectively	5,492,870	5,493,806
Noncontrolling interests in consolidated property partnerships	186,907	196,064
Total capital	5,679,777	5,689,870
TOTAL LIABILITIES AND EQUITY (CAPITAL)	$ 10,619,992	$ 10,583,397

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CONSOLIDATED BALANCE SHEETS (KILROY REALTY, L.P.)(Parenthetical) - $ / shares	Sep. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	280,000,000	280,000,000
Common stock, shares issued (in shares)	116,877,453	116,464,169
Common stock, shares outstanding (in shares)	116,877,453	116,464,169
Common Units | Kilroy Realty L.P.
General partner, units issued (in shares)	116,877,453	116,464,169
General partners, units outstanding (in shares)	116,877,453	116,464,169
Limited partners, units issued (in shares)	1,150,574	1,150,574
Limited partners, units outstanding (in shares)	1,150,574	1,150,574

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CONSOLIDATED STATEMENTS OF OPERATIONS (KILROY REALTY, L.P.) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue, Product and Service [Extensible List]	Service [Member]	Service [Member]
REVENUES
Rental income (Note 9)	$ 272,546	$ 230,720	$ 804,330	$ 689,849
Other property income	3,412	1,606	8,313	4,106
Total revenues	275,958	232,326	812,643	693,955
EXPENSES
Property expenses	52,075	40,842	147,421	120,183
Real estate taxes	27,415	24,153	78,718	71,528
Ground leases	1,771	1,708	5,473	5,559
General and administrative expenses (Note 8)	23,524	22,990	68,425	69,482
Leasing costs	1,015	798	3,475	2,373
Depreciation and amortization	81,140	73,213	266,215	222,734
Total expenses	186,940	163,704	569,727	491,859
OTHER INCOME (EXPENSES)
Interest and other income, net	295	976	501	3,686
Interest expense (Note 4)	(19,982)	(16,105)	(60,728)	(59,829)
Gain on sale of depreciable operating property (Note 3)	17,329	0	17,329	457,831
Total other (expenses) income	(2,358)	(15,129)	(42,898)	401,688
NET INCOME	86,660	53,493	200,018	603,784
Total income attributable to noncontrolling interests	(6,903)	(6,465)	(20,028)	(23,286)
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS (UNITHOLDERS)	$ 79,757	$ 47,028	$ 179,990	$ 580,498
Net income available to common stockholders per share – basic (in dollars per share)	$ 0.68	$ 0.40	$ 1.53	$ 4.98
Net income available to common stockholders per share – diluted (in dollars per share)	$ 0.68	$ 0.40	$ 1.53	$ 4.96
Weighted average common shares outstanding – basic (in shares)	116,872,953	116,456,796	116,782,621	116,418,113
Weighted average common shares outstanding – diluted (in shares)	117,242,411	116,962,680	117,163,149	116,894,434
Kilroy Realty L.P.
Revenue, Product and Service [Extensible List]	Service [Member]	Service [Member]
REVENUES
Rental income (Note 9)	$ 272,546	$ 230,720	$ 804,330	$ 689,849
Other property income	3,412	1,606	8,313	4,106
Total revenues	275,958	232,326	812,643	693,955
EXPENSES
Property expenses	52,075	40,842	147,421	120,183
Real estate taxes	27,415	24,153	78,718	71,528
Ground leases	1,771	1,708	5,473	5,559
General and administrative expenses (Note 8)	23,524	22,990	68,425	69,482
Leasing costs	1,015	798	3,475	2,373
Depreciation and amortization	81,140	73,213	266,215	222,734
Total expenses	186,940	163,704	569,727	491,859
OTHER INCOME (EXPENSES)
Interest and other income, net	295	976	501	3,686
Interest expense (Note 4)	(19,982)	(16,105)	(60,728)	(59,829)
Gain on sale of depreciable operating property (Note 3)	17,329	0	17,329	457,831
Total other (expenses) income	(2,358)	(15,129)	(42,898)	401,688
NET INCOME	86,660	53,493	200,018	603,784
Total income attributable to noncontrolling interests	(6,239)	(6,005)	(18,333)	(17,586)
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS (UNITHOLDERS)	$ 80,421	$ 47,488	$ 181,685	$ 586,198
Net income available to common stockholders per share – basic (in dollars per share)	$ 0.68	$ 0.40	$ 1.53	$ 4.98
Net income available to common stockholders per share – diluted (in dollars per share)	$ 0.68	$ 0.40	$ 1.53	$ 4.96
Weighted average common shares outstanding – basic (in shares)	118,023,527	117,607,370	117,933,195	117,568,687
Weighted average common shares outstanding – diluted (in shares)	118,392,985	118,113,254	118,313,723	118,045,008

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CONSOLIDATED STATEMENTS OF CAPITAL (KILROY REALTY, L.P.) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	$ 86,660	$ 53,975	$ 59,383	$ 53,493	$ 42,880	$ 507,411	$ 200,018	$ 603,784
Non-cash amortization of share-based compensation (Note 8)	10,287	9,665	6,598	11,477	11,193	9,604
Settlement of restricted stock units	0	0	0	0	0	0
Contributions from noncontrolling interests in consolidated property partnerships							0	1,591
Distributions to noncontrolling interests in consolidated property partnerships	(5,700)	(6,948)	(14,842)	(7,922)	(4,692)	(11,680)
Noncontrolling Interests in Consolidated Property Partnerships
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	6,903	6,870	6,255	6,465	7,041	9,780
Contributions from noncontrolling interests in consolidated property partnerships				1,591
Distributions to noncontrolling interests in consolidated property partnerships	(5,700)	(6,948)	(14,842)	(7,922)	(4,692)	(11,680)
Kilroy Realty L.P.
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning balance	5,652,551	5,665,761	5,689,870	5,693,465	5,702,892	5,277,321	5,689,870	5,277,321
Net income	86,660	53,975	59,383	53,493	42,880	507,411	200,018	603,784
Issuance of share-based compensation awards	505	635	1,942	650	645	1,950
Non-cash amortization of share-based compensation (Note 8)	10,287	9,665	6,598	11,477	11,193	9,604
Settlement of restricted stock units	0	0	0	0	0	0
Repurchase of common units and restricted stock units	(267)	(8,660)	(13,994)	(282)		(21,137)
Contributions from noncontrolling interests in consolidated property partnerships							0	1,591
Contributions from noncontrolling interests in consolidated property partnerships				(1,591)
Distributions to noncontrolling interests in consolidated property partnerships	(5,700)	(6,948)	(14,842)	(7,922)	(4,692)	(11,680)
Distributions declared per common unit	(64,259)	(61,877)	(63,196)	(61,834)	(59,453)	(60,577)
Ending balance	$ 5,679,777	$ 5,652,551	$ 5,665,761	$ 5,690,638	$ 5,693,465	$ 5,702,892	$ 5,679,777	$ 5,690,638
Kilroy Realty L.P. | Partners’ Capital
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning balance (in shares)	118,021,544	117,866,654	117,614,743	117,604,784	117,600,944	117,186,401	117,614,743	117,186,401
Beginning balance	$ 5,466,183	$ 5,478,800	$ 5,493,806	$ 5,500,753	$ 5,512,175	$ 5,079,818	$ 5,493,806	$ 5,079,818
Net income	80,421	47,620	53,644	47,488	36,193	502,517
Issuance of share-based compensation awards	505	635	1,942	650	645	1,950
Non-cash amortization of share-based compensation (Note 8)	$ 10,287	$ 9,665	$ 6,598	$ 11,477	$ 11,193	$ 9,604
Settlement of restricted stock units (in shares)	11,930	273,382	459,050	11,743	3,840	769,701
Repurchase of common units, stock options and restricted stock units (in shares)	(5,447)	(118,492)	(207,139)	(4,270)		(355,158)
Repurchase of common units and restricted stock units	$ (267)	$ (8,660)	$ (13,994)	$ (282)		$ (21,137)
Distributions declared per common unit	$ (64,259)	$ (61,877)	$ (63,196)	$ (61,834)	$ (59,453)	$ (60,577)
Ending balance (in shares)	118,028,027	118,021,544	117,866,654	117,612,257	117,604,784	117,600,944	118,028,027	117,612,257
Ending balance	$ 5,492,870	$ 5,466,183	$ 5,478,800	$ 5,498,252	$ 5,500,753	$ 5,512,175	$ 5,492,870	$ 5,498,252
Kilroy Realty L.P. | Noncontrolling Interests in Consolidated Property Partnerships
Increase (Decrease) in Partners' Capital [Roll Forward]
Beginning balance	186,368	186,961	196,064	192,712	190,717	197,503	196,064	197,503
Net income	6,239	6,355	5,739	6,005	6,687	4,894
Contributions from noncontrolling interests in consolidated property partnerships				1,591
Distributions to noncontrolling interests in consolidated property partnerships	(5,700)	(6,948)	(14,842)	(7,922)	(4,692)	(11,680)
Ending balance	$ 186,907	$ 186,368	$ 186,961	$ 192,386	$ 192,712	$ 190,717	$ 186,907	$ 192,386

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CONSOLIDATED STATEMENTS OF CAPITAL (KILROY REALTY, L.P.) (Parenthetical) - $ / shares	3 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Kilroy Realty L.P.
Dividends declared per common unit (in dollars per unit)	$ 0.54	$ 0.52	$ 0.52	$ 0.52	$ 0.500	$ 0.500

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CONSOLIDATED STATEMENTS OF CASH FLOWS (KILROY REALTY, L.P.) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 200,018	$ 603,784
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of real estate assets and leasing costs	261,129	218,171
Depreciation of non-real estate furniture, fixtures and equipment	5,086	4,563
Revenue reversals for doubtful accounts, net (Note 9)	191	2,830
Non-cash amortization of share-based compensation awards	21,635	26,486
Non-cash amortization of deferred financing costs and debt discounts	2,442	2,232
Non-cash amortization of net below market rents	(8,171)	(3,704)
Gain on sale of depreciable operating property (Note 3)	(17,329)	(457,831)
Non-cash amortization of deferred revenue related to tenant-funded tenant improvements	(14,221)	(12,982)
Straight-line rents	(38,239)	(41,238)
Amortization of right of use ground lease assets	594	886
Net change in other operating assets	(5,323)	(5,767)
Net change in other operating liabilities	76,418	70,130
Net cash provided by operating activities	484,230	407,560
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for acquisitions of development properties and undeveloped land (Note 2)	(40,033)	(586,927)
Expenditures for development and redevelopment properties and undeveloped land	(334,711)	(436,839)
Expenditures for acquisitions of operating properties (Note 2)	0	(537,429)
Expenditures for operating properties and other capital assets	(65,526)	(90,280)
Net proceeds received from disposition (Note 3)	33,416	1,013,359
Net decrease in acquisition-related deposits	0	1,000
Net cash used in investing activities	(406,854)	(637,116)
CASH FLOWS FROM FINANCING ACTIVITIES:
Financing costs	(3,083)	(7,801)
Repurchase of common stock and restricted stock units	(22,921)	(21,419)
Distributions to noncontrolling interests in consolidated property partnerships	(27,497)	(24,303)
Dividends and distributions paid to common stockholders and common unitholders	(183,822)	(176,196)
Principal payments and repayments of secured debt	(4,146)	(3,987)
Contributions from noncontrolling interests in consolidated property partnerships	0	1,591
Net cash used in financing activities	(241,469)	(232,115)
Net decrease in cash and cash equivalents and restricted cash	(164,093)	(461,671)
Cash and cash equivalents and restricted cash, beginning of period	427,083	823,130
Cash and cash equivalents and restricted cash, end of period	262,990	361,459
Kilroy Realty L.P.
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	200,018	603,784
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of real estate assets and leasing costs	261,129	218,171
Depreciation of non-real estate furniture, fixtures and equipment	5,086	4,563
Revenue reversals for doubtful accounts, net (Note 9)	191	2,830
Non-cash amortization of share-based compensation awards	21,635	26,486
Non-cash amortization of deferred financing costs and debt discounts	2,442	2,232
Non-cash amortization of net below market rents	(8,171)	(3,704)
Gain on sale of depreciable operating property (Note 3)	(17,329)	(457,831)
Non-cash amortization of deferred revenue related to tenant-funded tenant improvements	(14,221)	(12,982)
Straight-line rents	(38,239)	(41,238)
Amortization of right of use ground lease assets	594	886
Net change in other operating assets	(5,323)	(5,767)
Net change in other operating liabilities	76,418	70,130
Net cash provided by operating activities	484,230	407,560
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for acquisitions of development properties and undeveloped land (Note 2)	(40,033)	(586,927)
Expenditures for development and redevelopment properties and undeveloped land	(334,711)	(436,839)
Expenditures for acquisitions of operating properties (Note 2)	0	(537,429)
Expenditures for operating properties and other capital assets	(65,526)	(90,280)
Net proceeds received from disposition (Note 3)	33,416	1,013,359
Net decrease in acquisition-related deposits	0	1,000
Net cash used in investing activities	(406,854)	(637,116)
CASH FLOWS FROM FINANCING ACTIVITIES:
Financing costs	(3,083)	(7,801)
Repurchase of common stock and restricted stock units	(22,921)	(21,419)
Distributions to noncontrolling interests in consolidated property partnerships	(27,497)	(24,303)
Dividends and distributions paid to common stockholders and common unitholders	(183,822)	(176,196)
Principal payments and repayments of secured debt	(4,146)	(3,987)
Contributions from noncontrolling interests in consolidated property partnerships	0	1,591
Net cash used in financing activities	(241,469)	(232,115)
Net decrease in cash and cash equivalents and restricted cash	(164,093)	(461,671)
Cash and cash equivalents and restricted cash, beginning of period	427,083	823,130
Cash and cash equivalents and restricted cash, end of period	$ 262,990	$ 361,459

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Organization, Ownership and Basis of Presentation

9 Months Ended

Sep. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization, Ownership and Basis of Presentation

Organization, Ownership and Basis of Presentation

Organization and Ownership

Kilroy Realty Corporation (the “Company”) is a self-administered real estate investment trust (“REIT”) active in premier office, life science and mixed-use submarkets in the United States. We own, develop, acquire and manage real estate assets, consisting primarily of Class A properties in Greater Los Angeles, San Diego County, the San Francisco Bay Area, Greater Seattle and Austin, Texas, which we believe have strategic advantages and strong barriers to entry. Class A real estate encompasses attractive and efficient buildings of high quality that are attractive to tenants, are well-designed and constructed with above-average material, workmanship and finishes and are well-maintained and managed. We qualify as a REIT under the Internal Revenue Code of 1986, as amended (the “Code”). The Company’s common stock is publicly traded on the New York Stock Exchange (“NYSE”) under the ticker symbol “KRC.”

We own our interests in all of our real estate assets through Kilroy Realty, L.P. (the “Operating Partnership”). We generally conduct substantially all of our operations through the Operating Partnership. Unless stated otherwise or the context indicates otherwise, the terms “Kilroy Realty Corporation” or the “Company,” “we,” “our,” and “us” refer to Kilroy Realty Corporation and its consolidated subsidiaries and the term “Operating Partnership” refers to Kilroy Realty, L.P. and its consolidated subsidiaries. The descriptions of our business, employees, and properties apply to both the Company and the Operating Partnership.

Our stabilized portfolio of operating properties was comprised of the following properties at September 30, 2022:

	Number of Buildings	Rentable Square Feet	Number of Tenants	Percentage  Occupied (1)		Percentage Leased
Stabilized Office Properties (2)	120	16,248,802	414	90.8	%	92.6	%

________________________

(1)Represents economic occupancy.

(2)Includes stabilized life science and retail space.

	Number of Projects	Number of Units	2022 Average Occupancy
Stabilized Residential Properties	3	1,001	93.6	%

Our stabilized portfolio includes all of our properties with the exception of development properties currently committed for construction, under construction, or in the tenant improvement phase, redevelopment properties under construction, undeveloped land and real estate assets held for sale. We define redevelopment properties as those properties for which we expect to spend significant development and construction costs on the existing or acquired buildings pursuant to a formal plan, the intended result of which is a higher economic return on the property. We define properties in the tenant improvement phase as office and life science properties that we are developing or redeveloping where the project has reached cold shell condition and is ready for tenant improvements, which may require additional major base building construction before being placed in service. Projects in the tenant improvement phase are added to our stabilized portfolio once the project reaches the earlier of 95% occupancy or one year from the date of the cessation of major base building construction activities. Costs capitalized to construction in progress for development and redevelopment properties are transferred to land and improvements, buildings and improvements, and deferred leasing costs on our consolidated balance sheets at the historical cost of the property as the projects or phases of projects are placed in service.

During the nine months ended September 30, 2022, we added two development projects and two redevelopment projects to our stabilized portfolio consisting of four buildings totaling 1,114,704 square feet of office and life science space in Seattle, Washington and San Diego, California. As of September 30, 2022, the following properties were excluded from our stabilized portfolio. We did not have any properties held for sale at September 30, 2022.

	Number of Properties/Projects	Estimated Rentable Square Feet (1)
In-process development projects - tenant improvement	1	734,000
In-process development projects - under construction	2	946,000
In-process redevelopment projects - under construction	1	52,000

________________________

(1)Estimated rentable square feet upon completion.

Our stabilized portfolio also excludes our future development pipeline, which as of September 30, 2022 was comprised of eight future development sites, representing approximately 64 gross acres of undeveloped land.

As of September 30, 2022, all of our properties, development projects and redevelopment projects were owned and all of our business was conducted in the state of California with the exception of ten stabilized office properties and one future development project located in the state of Washington, and one development project in the tenant improvement phase and one future development project in Austin, Texas. All of our properties, development projects and redevelopment projects are 100% owned, excluding four office properties owned by three consolidated property partnerships. Two of the three consolidated property partnerships, 100 First Street Member, LLC (“100 First LLC”) and 303 Second Street Member, LLC (“303 Second LLC”), each owned one office property in San Francisco, California through subsidiary REITs. As of September 30, 2022, the Company owned a 56% common equity interest in both 100 First LLC and 303 Second LLC. The third consolidated property partnership, Redwood City Partners, LLC (“Redwood LLC”) owned two office properties in Redwood City, California. As of September 30, 2022, the Company owned an approximate 93% common equity interest in Redwood LLC. The remaining interests in all three property partnerships were owned by unrelated third parties.

Ownership and Basis of Presentation

The consolidated financial statements of the Company include the consolidated financial position and results of operations of the Company, the Operating Partnership, 303 Second LLC, 100 First LLC, Redwood LLC and all of our wholly-owned and controlled subsidiaries. The consolidated financial statements of the Operating Partnership include the consolidated financial position and results of operations of the Operating Partnership, 303 Second LLC, 100 First LLC, Redwood LLC and all of our wholly-owned and controlled subsidiaries. All intercompany balances and transactions have been eliminated in the consolidated financial statements.

As of September 30, 2022, the Company owned an approximate 99.0% common general partnership interest in the Operating Partnership. The remaining approximate 1.0% common limited partnership interest in the Operating Partnership as of September 30, 2022 was owned by non-affiliated investors and certain of our executive officers and directors. Both the general and limited common partnership interests in the Operating Partnership are denominated in common units. Generally, the number of common units held by the Company is equivalent to the number of outstanding shares of the Company’s common stock, and the rights of all the common units to quarterly distributions and payments in liquidation mirror those of the Company’s common stockholders. The common limited partners have certain redemption rights as provided in the Operating Partnership’s Seventh Amended and Restated Agreement of Limited Partnership, as amended, the “Partnership Agreement”. With the exception of the Operating Partnership and our consolidated property partnerships, all of our subsidiaries are wholly-owned.

The accompanying interim financial statements have been prepared by management in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and in conjunction with the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures required for annual financial statements have been condensed or excluded pursuant to SEC rules and regulations. Accordingly, the interim financial statements do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, the accompanying interim financial statements reflect all adjustments of a normal and recurring nature that are considered necessary for a fair presentation of the results for the interim periods presented. However, the results of operations for the interim periods are not necessarily indicative of the results that may be expected for the year ending December 31, 2022. The interim financial statements for the Company and the Operating Partnership should be read in conjunction with the audited consolidated financial statements and notes thereto included in our annual report on Form 10-K for the year ended December 31, 2021.

Variable Interest Entities

The Operating Partnership is a variable interest entity (“VIE”) that is consolidated by the Company as the primary beneficiary as the Operating Partnership is a limited partnership in which the common limited partners do not have substantive kick-out or participating rights. At September 30, 2022, the consolidated financial statements of the Company included two VIEs in addition to the Operating Partnership: 100 First LLC and 303 Second LLC. At September 30, 2022, the Company and the Operating Partnership were determined to be the primary beneficiaries of these two VIEs since we had the ability to control the activities that most significantly impact each of the VIEs’ economic performance. As of September 30, 2022, the two VIEs’ total assets, liabilities and noncontrolling interests included on our consolidated balance sheet were approximately $440.4 million (of which $366.1 million related to real estate held for investment), approximately $27.7 million and approximately $181.8 million, respectively. Revenues, income and net assets generated by 100 First LLC and 303 Second LLC may only be used to settle their contractual obligations, which primarily consist of operating expenses, capital expenditures and required distributions.

At December 31, 2021, the consolidated financial statements of the Company included two VIEs in addition to the Operating Partnership: 100 First LLC and 303 Second LLC. At December 31, 2021, the Company and the Operating Partnership were determined to be the primary beneficiaries of these two VIEs since we had the ability to control the activities that most significantly impact each of the VIEs’ economic performance. At December 31, 2021, the impact of consolidating the VIEs increased the Company’s total assets, liabilities and noncontrolling interests on our consolidated balance sheet by approximately $462.3 million (of which $377.9 million related to real estate held for investment), approximately $28.1 million and approximately $190.7 million, respectively.

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Acquisitions

9 Months Ended

Sep. 30, 2022

Business Combination and Asset Acquisition [Abstract]

Acquisitions

Acquisitions

Development Project Acquisitions

During the nine months ended September 30, 2022, we acquired the following development site from an unrelated third party.

Property	Date of Acquisition	Submarket	Purchase Price (in millions) (1)
10615 Burnet Road, Austin, TX	March 9, 2022	Stadium District / Domain	$	40.0

________________________ 

(1)Excludes acquisition-related costs.

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Dispositions

9 Months Ended

Sep. 30, 2022

Discontinued Operations and Disposal Groups [Abstract]

Dispositions

Dispositions

Operating Property Dispositions

The following table summarizes the one operating property sold during the nine months ended September 30, 2022:

Property	Month of Disposition	Number of Buildings	Rentable Square Feet	Sales Price (in millions) (1)
3130 Wilshire Boulevard, Santa Monica, CA	August	1	96,085	$	48.0

___________________________

(1)Represents gross sales price before the impact of broker commissions, closing costs and purchase price credits.

The total gain on the sale of the operating property sold during the nine months ended September 30, 2022 was $17.3 million.

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Secured and Unsecured Debt of the Operating Partnership

9 Months Ended

Sep. 30, 2022

Kilroy Realty L.P.

Debt Instrument [Line Items]

Secured and Unsecured Debt of the Operating Partnership

Secured and Unsecured Debt of the Operating Partnership

The Company generally guarantees all of the Operating Partnership’s unsecured debt obligations including the unsecured revolving credit facility and all of the unsecured senior notes.

Unsecured Revolving Credit Facility

The following table summarizes the balance and terms of our unsecured revolving credit facility as of September 30, 2022 and December 31, 2021:

	September 30, 2022			December 31, 2021
	(in thousands)
Outstanding borrowings	$	—		$	—
Remaining borrowing capacity	1,100,000			1,100,000
Total borrowing capacity (1)	$	1,100,000		$	1,100,000
Interest rate (2)	4.04		%	1.00		%
Facility fee-annual rate (3)	0.200%
Maturity date	July 2025

________________________

(1)We may elect to borrow, subject to bank approval and obtaining commitments for any additional borrowing capacity, up to an additional $500.0 million under an accordion feature under the terms of the unsecured revolving credit facility.

(2)Our unsecured revolving credit facility interest rate was calculated based on the contractual rate of LIBOR plus 0.900% as of September 30, 2022 and December 31, 2021.

(3)Our facility fee is paid on a quarterly basis and is calculated based on the total borrowing capacity. In addition to the facility fee, we incurred debt origination and legal costs. As of September 30, 2022 and December 31, 2021, $5.8 million and $7.3 million of unamortized deferred financing costs, respectively, which are included in prepaid expenses and other assets, net on our consolidated balance sheets, remained to be amortized through the respective maturity dates presented of our unsecured revolving credit facility.

The Company intends to borrow under the unsecured revolving credit facility from time to time for general corporate purposes, to finance development and redevelopment expenditures, to fund potential acquisitions and to potentially repay long-term debt and to supplement cash balances given uncertainties and volatility in market conditions.

Debt Covenants and Restrictions

The unsecured revolving credit facility, the unsecured senior notes, including the private placement notes, and certain other secured debt arrangements contain covenants and restrictions requiring us to meet certain financial ratios and reporting requirements. Some of the more restrictive financial covenants include a maximum ratio of total debt to total asset value, a minimum fixed-charge coverage ratio, a minimum unsecured debt ratio and a minimum unencumbered asset pool debt service coverage ratio. Noncompliance with one or more of the covenants and restrictions could result in the full principal balance of the associated debt becoming immediately due and payable. We believe we were in compliance with all of our debt covenants as of September 30, 2022.

Debt Maturities

The following table summarizes the stated debt maturities and scheduled amortization payments for all outstanding debt as of September 30, 2022:

Year	(in thousands)
Remaining 2022	$	1,409
2023	5,775
2024	431,006
2025	406,246
2026	401,317
2027	249,125
Thereafter	2,600,000
Total aggregate principal value (1)	$	4,094,878

________________________ 

(1)Includes gross principal balance of outstanding debt before the effect of the following at September 30, 2022: $20.4 million of unamortized deferred financing costs for the unsecured senior notes and secured debt and $6.6 million of unamortized discounts for the unsecured senior notes.

Capitalized Interest and Loan Fees

The following table sets forth gross interest expense, including debt discount and deferred financing cost amortization, net of capitalized interest, for the three and nine months ended September 30, 2022 and 2021. The interest expense capitalized was recorded as a cost of development and redevelopment and increased the carrying value of undeveloped land and construction in progress.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands)
Gross interest expense	$	39,659	$	39,552	$	118,995	$	118,257
Capitalized interest and deferred financing costs	(19,677)		(23,447)		(58,267)		(58,428)
Interest expense	$	19,982	$	16,105	$	60,728	$	59,829

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Stockholders' Equity of the Company

9 Months Ended

Sep. 30, 2022

Equity [Abstract]

Stockholders' Equity of the Company

Stockholders’ Equity of the Company

At-The-Market Stock Offering Program

Under our at-the-market stock offering program, which commenced in June 2018, we may offer and sell shares of our common stock having an aggregate gross sales price up to $500.0 million from time to time in “at-the-market” offerings. In connection with our at-the-market program, the Company may enter into forward equity sale agreements with certain financial institutions acting as forward purchasers whereby, at our discretion, the forward purchasers may borrow and sell shares of our common stock under our at-the-market program. The use of a forward equity sale agreement allows the Company to lock in a share price on the sale of shares of our common stock at the time the agreement is executed but defer settling the forward equity sale agreements and receiving the proceeds from the sale of shares until a later date. The Company did not have any outstanding forward equity sale agreements to be settled at September 30, 2022.

Since commencement of our current at-the-market program, we have completed sales of 3,594,576 shares of common stock through September 30, 2022. As of September 30, 2022, we may offer and sell shares of our common stock having an aggregate gross sales price up to approximately $214.2 million under our current at-the-market program. The Company did not complete any sales of common stock under the program during the nine months ended September 30, 2022.

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Noncontrolling Interests on the Company's Consolidated Financial Statements

9 Months Ended

Sep. 30, 2022

Noncontrolling Interest [Abstract]

Noncontrolling Interests on the Company's Consolidated Financial Statements

Noncontrolling Interests on the Company’s Consolidated Financial Statements

Common Units of the Operating Partnership

The Company owned an approximate 99.0% common general partnership interest in the Operating Partnership as of September 30, 2022, December 31, 2021 and September 30, 2021. The remaining approximate 1.0% common limited partnership interest as of September 30, 2022, December 31, 2021 and September 30, 2021 was owned by non-affiliated investors and certain of our executive officers and directors in the form of noncontrolling common units. There were 1,150,574 common units outstanding held by these investors, executive officers and directors as of September 30, 2022, December 31, 2021 and September 30, 2021.

The noncontrolling common units may be redeemed by unitholders for cash. Except under certain circumstances, we, at our option, may satisfy the cash redemption obligation with shares of the Company’s common stock on a one-for-one basis. If satisfied in cash, the value for each noncontrolling common unit upon redemption is the amount equal to the average of the closing quoted price per share of the Company’s common stock, par value $.01 per share, as reported on the NYSE for the ten trading days immediately preceding the applicable redemption date. The aggregate value upon redemption of the then-outstanding noncontrolling common units was $50.5 million and $76.2 million as of September 30, 2022 and December 31, 2021, respectively. This redemption value does not necessarily represent the amount that would be distributed with respect to each noncontrolling common unit in the event of our termination or liquidation. In the event of our termination or liquidation, it is expected in most cases that each common unit would be entitled to a liquidating distribution equal to the liquidating distribution payable in respect of each share of the Company’s common stock.

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Partners' Capital of the Operating Partnership

9 Months Ended

Sep. 30, 2022

Partners' Capital Notes [Abstract]

Partners’ Capital of the Operating Partnership

Partners’ Capital of the Operating Partnership

Common Units Outstanding

The following table sets forth the number of common units held by the Company as the general partner and the number of common units held by non-affiliated investors and certain of our executive officers and directors in the form of common limited partner units as well as the ownership interest held on each respective date:

	September 30, 2022		December 31, 2021		September 30, 2021
Company owned common units in the Operating Partnership	116,877,453		116,464,169		116,461,683
Company owned general partnership interest	99.0	%	99.0	%	99.0	%
Non-affiliated investors and other common units of the Operating Partnership	1,150,574		1,150,574		1,150,574
Ownership interest of limited partnership interests	1.0	%	1.0	%	1.0	%

For further discussion of the redemption features of the common units not owned by the Company as of September 30, 2022 and December 31, 2021, refer to Note 6 “Noncontrolling Interests on the Company’s Consolidated Financial Statements.”

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Share-Based Compensation

9 Months Ended

Sep. 30, 2022

Share-Based Payment Arrangement [Abstract]

Share-Based Compensation

Share-Based Compensation

Stockholder Approved Share-Based Incentive Compensation Plan

As of September 30, 2022, we maintained one share-based incentive compensation plan, the Kilroy Realty 2006 Incentive Award Plan, as amended (the “2006 Plan”). The Company has a currently effective registration statement registering 10.7 million shares of our common stock for possible issuance under our 2006 Plan. As of September 30, 2022, approximately 1.1 million shares were available for grant under the 2006 Plan. The calculation of shares available for grant is presented after taking into account a reserve for a sufficient number of shares to cover the vesting and payment of 2006 Plan awards that were outstanding on that date, including performance-based vesting awards at (i) levels actually achieved for the performance conditions (as defined below) for which the performance period has been completed and (ii) at maximum levels for the other performance and market conditions (as defined below) for awards still in a performance period.

2022 Share-Based Compensation Grants

In January 2022, the Executive Compensation Committee of the Company’s Board of Directors awarded 351,281 restricted stock units (“RSUs”) to certain officers of the Company under the 2006 Plan, which included 193,111 RSUs (at the target level of performance) that are subject to market and/or performance-based vesting requirements (the “2022 Performance-Based RSUs”) and 158,170 RSUs that are subject to time-based vesting requirements (the “2022 Time-Based RSUs”).

2022 Performance-Based RSU Grant

The 2022 Performance-Based RSUs are scheduled to vest at the end of a three year period (consisting of calendar years 2022-2024). A target number of 2022 Performance-Based RSUs were awarded, and the final number of 2022 Performance-Based RSUs that vest (which may be more or less than the target number) will be based upon (1) during the first calendar year of the three year performance measurement period, the achievement of pre-set FFO per share goals that applies to 100% of the Performance-Based RSUs awarded (the “FFO Performance Condition”) and (2) a performance measure that applies to 50% of the award based upon a measure of the Company’s average debt to EBITDA ratio for the three year performance period (the “Debt to EBITDA Ratio Performance Condition”) and a market measure that applies to the other 50% of the award based upon the relative ranking of the Company’s total stockholder return for the three year performance period compared to the total stockholder returns of an established comparison group of companies over the same period (the “Market Condition”). The 2022 Performance-Based RSUs are also subject to a three year service vesting provision (the “service vesting condition”) and are scheduled to cliff vest on the date the final vesting percentage is determined following the end of the three year performance period under the awards. The number of 2022 Performance-Based RSUs ultimately earned could fluctuate from the target number of 2022 Performance-Based RSUs granted based upon the levels of achievement for the FFO Performance Condition, the Debt to EBITDA Ratio Performance Condition, the Market Condition, and the extent to which the service vesting condition is satisfied. The estimate of the number of 2022 Performance-Based RSUs earned is evaluated quarterly during the performance period based on our estimate for each of the performance conditions measured against the applicable goals. During the nine months ended September 30, 2022, we recognized $6.2 million of compensation expense for the 2022 Performance-

Based RSU grant, respectively. In the event we achieve a lower level of performance or fail to meet the FFO performance condition, we would reverse a portion or all of the $6.2 million of compensation expense. Compensation expense for the 2022 Performance-Based RSU grant is recognized on a straight-line basis over the requisite service period for each participant, which is generally the three year service period, except for one participant whose compensation expense is recognized on an accelerated basis, due to clauses that render a portion of the vesting conditions to be non-substantive.

Each 2022 Performance-Based RSU represents the right to receive one share of our common stock in the future, subject to, and as modified by the Company’s level of achievement of the FFO Performance, the Debt to EBITDA Ratio Performance Condition and the Market Condition. The fair value of the award was calculated using a Monte Carlo simulation pricing model based on the assumptions in the table below, which resulted in the following grant date fair value per share.

	Fair Value Assumptions
Valuation date	January 28, 2022
Fair value on valuation date (in millions)	$12.7
Fair value per share on valuation date (1)	$67.62
Expected share price volatility	36.0%
Risk-free interest rate	1.35%

________________________ 

(1)For one participant, the fair value per share on the valuation date for their 2022 Performance-Based RSUs is $70.00.

The computation of expected volatility was based on a blend of the historical volatility of our shares of common stock over a period of twice the remaining performance period as of the grant date and implied volatility data based on the observed pricing of six month publicly-traded options on shares of our common stock. The risk-free interest rate was based on the yield curve on zero-coupon U.S. Treasury STRIP securities in effect at January 28, 2022.

For the three and nine months ended September 30, 2022, we recorded compensation expense based upon the grant date fair value per share for each component multiplied by the estimated number of RSUs to be earned.

2022 Time-Based RSU Grant

The 2022 Time-Based RSUs are scheduled to vest in three equal annual installments beginning on January 5, 2023 through January 5, 2025. Compensation expense for the 2022 Time-Based RSUs is recognized on a straight-line basis over the requisite service period, which is generally the explicit service period except for one participant whose compensation expense is recognized on an accelerated basis, due to clauses that render a portion of the vesting conditions to be non-substantive. Each 2022 Time-Based RSU represents the right to receive one share of our common stock in the future, subject to continued employment through the applicable vesting date, unless accelerated upon separation of employment, provided certain conditions are met. The total grant date fair value of the 2022 Time-Based RSU awards was $10.0 million, which was based on the $63.05 closing share price of the Company’s common stock on the NYSE on the January 28, 2022 grant date.

2021 and 2020 Performance-Based RSUs

Compensation cost for the 2021 performance-based RSUs for the three and nine months ended September 30, 2022 assumes the 2021 debt to EBITDA ratio performance condition is met at 150% of the target level of achievement (175.0% for one participant). Compensation cost for the 2020 performance-based RSUs for the three and nine months ended September 30, 2022 assumes the 2020 debt to EBITDA ratio performance condition is met at 150% of the target level of achievement (175.0% for one participant).

Share-Based Compensation Cost Recorded During the Period

The total compensation cost for all share-based compensation programs was $10.3 million and $11.5 million for the three months ended September 30, 2022 and 2021, respectively, and $26.5 million and $32.3 million for the nine months ended September 30, 2022 and 2021, respectively. Of the total share-based compensation costs, $1.9 million and $5.0 million was capitalized as part of the real estate assets for the three and nine months ended September 30, 2022, respectively, and $2.4 million and $5.8 million was capitalized as part of the real estate assets for the three and nine months ended September 30, 2021, respectively. As of September 30, 2022, there was approximately $32.2 million of total unrecognized compensation cost related to nonvested incentive awards granted under share-based compensation arrangements that is expected to be recognized over a weighted-average period of 1.8 years. The remaining compensation cost related to these nonvested incentive awards had been recognized in periods prior to September 30, 2022.

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Rental Income and Future Minimum Rent

9 Months Ended

Sep. 30, 2022

Leases [Abstract]

Rental Income and Future Minimum Rent

Rental Income and Future Minimum Rent

Our rental income is primarily comprised of payments defined under leases and are subject to scheduled fixed increases. Additionally, rental income includes variable payments for tenant reimbursements of property-related expenses and payments based on a percentage of tenant’s sales.

The table below sets forth the allocation of rental income between fixed and variable payments and net collectability reversals for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands)
Fixed lease payments	$	231,747	$	201,324	$	685,797	$	603,386
Variable lease payments	42,503		31,479		118,724		89,293
Net collectability reversals (1)	(1,704)		(2,083)		(191)		(2,830)
Total rental income	$	272,546	$	230,720	$	804,330	$	689,849

_____________________

(1)Represents adjustments to rental income related to our assessment of the collectability of amounts due under leases with our tenants, including recognition of deferred rent balances associated with tenants restored from a cash basis of revenue recognition to an accrual basis of revenue recognition and allowances for uncollectible receivables and leases deemed not probable of collection.

We have operating leases with tenants that expire at various dates through 2048 and are subject to scheduled fixed increases. Generally, the leases grant tenants renewal options. Leases also provide for additional rents based on certain operating expenses. Future contractual minimum rent under operating leases, which includes amounts contractually due from leases that are on a cash basis of reporting due to creditworthiness considerations, as of September 30, 2022 for future periods is summarized as follows:

Year Ending	(in thousands)
Remaining 2022	$	204,108
2023	817,762
2024	789,711
2025	757,013
2026	704,712
2027	643,100
Thereafter	2,349,492
Total (1)	$	6,265,898

_____________________

(1)Excludes residential leases and leases with a term of one year or less.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2022

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

General

As of September 30, 2022, we had commitments of approximately $620.2 million, excluding our ground lease commitments, for contracts and executed leases directly related to our operating, development and redevelopment properties.

Environmental Matters

We follow the policy of evaluating all of our properties, including acquisition, development, redevelopment and existing stabilized portfolio properties, for the presence of hazardous or toxic substances. While there can be no assurance that a material environmental liability does not exist, we are not currently aware of any undisclosed environmental liability with respect to our stabilized portfolio properties that would have a material adverse effect on our financial condition, results of operations and cash flow, or that we believe would require additional disclosure or the recording of a loss contingency.

As of September 30, 2022, we had accrued environmental remediation liabilities of approximately $81.0 million recorded on our consolidated balance sheets in connection with certain of our in-process and future development projects. The accrued environmental remediation liabilities represent the remaining costs we estimate we will incur prior to and during the development process at various development acquisition sites. These estimates, which we developed with the assistance of third party experts, consist primarily of the removal of contaminated soil, treatment of contaminated groundwater in connection with dewatering efforts, performing environmental closure activities, constructing remedial systems and other related costs that are necessary when we develop new buildings at these sites.

We record estimated environmental remediation obligations for acquired properties at the acquisition date when we are aware of such costs and when such costs are probable of being incurred and can be reasonably estimated. Estimated costs related to development environmental remediation liabilities are recorded as an increase to the cost of the development project. Actual costs are recorded as a decrease to the liability when incurred. These accruals are adjusted as an increase or decrease to the development project costs and as an increase or decrease to the accrued environmental remediation liability if we obtain further information or circumstances change. The environmental remediation obligations recorded at September 30, 2022 were not discounted to their present values since the amount and timing of cash payments are not fixed. It is possible that we could incur additional environmental remediation costs in connection with these development projects. However, potential additional environmental costs for these development projects cannot be reasonably estimated at this time and certain changes in estimates could occur as the site conditions, final project timing, design elements, actual soil conditions and other aspects of the projects, which may depend upon municipal and other approvals beyond the control of the Company, are determined.

Other than the accrued environmental liabilities discussed above, we are not aware of any unasserted claims and assessments with respect to an environmental liability that we believe would require additional disclosure or the recording of an additional loss contingency.

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Fair Value Measurements and Disclosures

9 Months Ended

Sep. 30, 2022

Fair Value Disclosures [Abstract]

Fair Value Measurements and Disclosures

Fair Value Measurements and Disclosures

Assets and Liabilities Reported at Fair Value

The only assets we record at fair value on our consolidated financial statements are the marketable securities related to our Deferred Compensation Plan. The following table sets forth the fair value of our marketable securities as of September 30, 2022 and December 31, 2021:

	Fair Value (Level 1) (1)
	September 30, 2022		December 31, 2021
Description	(in thousands)
Marketable securities (2)	$	22,390	$	27,475

________________________

(1)    Based on quoted prices in active markets for identical securities.

(2)    The marketable securities are held in a limited rabbi trust.

Financial Instruments Disclosed at Fair Value

The following table sets forth the carrying value and the fair value of our other financial instruments as of September 30, 2022 and December 31, 2021:

	September 30, 2022				December 31, 2021
	Carrying Value		Fair Value (1)		Carrying Value		Fair Value (1)
	(in thousands)
Liabilities
Secured debt, net	$	244,316	$	233,002	$	248,367	$	269,687
Unsecured debt, net	$	3,823,532	$	3,303,591	$	3,820,383	$	4,105,408

________________________

(1)Fair value calculated using Level 2 inputs, which are based on model-derived valuations in which significant inputs and significant value drivers are observable in active markets.

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Net Income Available to Common Stockholders Per Share of the Company

9 Months Ended

Sep. 30, 2022

Earnings Per Share [Abstract]

Net Income Available to Common Stockholders Per Share of the Company

Net Income Available to Common Stockholders Per Share of the Company

The following table reconciles the numerator and denominator in computing the Company’s basic and diluted per-share computations for net income available to common stockholders for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands, except share and per share amounts)
Numerator:
Net income available to common stockholders	$	79,757	$	47,028	$	179,990	$	580,498
Allocation to participating securities (1)	(287)		(388)		(980)		(1,124)
Numerator for basic and diluted net income available to common stockholders	$	79,470	$	46,640	$	179,010	$	579,374
Denominator:
Basic weighted average vested shares outstanding	116,872,953		116,456,796		116,782,621		116,418,113
Effect of dilutive securities	369,458		505,884		380,528		476,321
Diluted weighted average vested shares and common stock equivalents outstanding	117,242,411		116,962,680		117,163,149		116,894,434
Basic earnings per share:
Net income available to common stockholders per share	$	0.68	$	0.40	$	1.53	$	4.98
Diluted earnings per share:
Net income available to common stockholders per share	$	0.68	$	0.40	$	1.53	$	4.96

________________________ 

(1)Participating securities include certain time-based RSUs and vested market measure-based RSUs.

Share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are considered participating securities. The impact of potentially dilutive common shares, including stock options and RSUs are considered in our diluted earnings per share calculation for the three and nine months ended September 30, 2022 and 2021. Certain market measure-based RSUs are not included in dilutive securities for the three and nine months ended September 30, 2022 and 2021, as not all performance metrics had been met by the end of the applicable reporting periods. See Note 8 “Share-Based Compensation” for additional information regarding share-based compensation.

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Net Income Available to Common Unitholders Per Unit of the Operating Partnership

9 Months Ended

Sep. 30, 2022

Net Income Available To Common Unitholders [Line Items]

Net Income Available to Common Unitholders Per Unit of the Operating Partnership

Net Income Available to Common Stockholders Per Share of the Company

The following table reconciles the numerator and denominator in computing the Company’s basic and diluted per-share computations for net income available to common stockholders for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands, except share and per share amounts)
Numerator:
Net income available to common stockholders	$	79,757	$	47,028	$	179,990	$	580,498
Allocation to participating securities (1)	(287)		(388)		(980)		(1,124)
Numerator for basic and diluted net income available to common stockholders	$	79,470	$	46,640	$	179,010	$	579,374
Denominator:
Basic weighted average vested shares outstanding	116,872,953		116,456,796		116,782,621		116,418,113
Effect of dilutive securities	369,458		505,884		380,528		476,321
Diluted weighted average vested shares and common stock equivalents outstanding	117,242,411		116,962,680		117,163,149		116,894,434
Basic earnings per share:
Net income available to common stockholders per share	$	0.68	$	0.40	$	1.53	$	4.98
Diluted earnings per share:
Net income available to common stockholders per share	$	0.68	$	0.40	$	1.53	$	4.96

________________________ 

(1)Participating securities include certain time-based RSUs and vested market measure-based RSUs.

Share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are considered participating securities. The impact of potentially dilutive common shares, including stock options and RSUs are considered in our diluted earnings per share calculation for the three and nine months ended September 30, 2022 and 2021. Certain market measure-based RSUs are not included in dilutive securities for the three and nine months ended September 30, 2022 and 2021, as not all performance metrics had been met by the end of the applicable reporting periods. See Note 8 “Share-Based Compensation” for additional information regarding share-based compensation.

Kilroy Realty L.P.

Net Income Available To Common Unitholders [Line Items]

Net Income Available to Common Unitholders Per Unit of the Operating Partnership

Net Income Available to Common Unitholders Per Unit of the Operating Partnership

The following table reconciles the numerator and denominator in computing the Operating Partnership’s basic and diluted per-unit computations for net income available to common unitholders for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands, except unit and per unit amounts)
Numerator:
Net income available to common unitholders	$	80,421	$	47,488	$	181,685	$	586,198
Allocation to participating securities (1)	(287)		(388)		(980)		(1,124)
Numerator for basic and diluted net income available to common unitholders	$	80,134	$	47,100	$	180,705	$	585,074
Denominator:
Basic weighted average vested units outstanding	118,023,527		117,607,370		117,933,195		117,568,687
Effect of dilutive securities	369,458		505,884		380,528		476,321
Diluted weighted average vested units and common unit equivalents outstanding	118,392,985		118,113,254		118,313,723		118,045,008
Basic earnings per unit:
Net income available to common unitholders per unit	$	0.68	$	0.40	$	1.53	$	4.98
Diluted earnings per unit:
Net income available to common unitholders per unit	$	0.68	$	0.40	$	1.53	$	4.96

________________________ 

(1)Participating securities include certain time-based RSUs and vested market measure-based RSUs.

    Share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are considered participating securities. The impact of potentially dilutive common units, including stock options and RSU are considered in our diluted earnings per share calculation for the three and nine months ended September 30, 2022 and 2021. Certain market measure-based RSUs are not included in dilutive securities for the three and nine months ended September 30, 2022 and 2021, as not all performance metrics had been met by the end of the applicable reporting periods. See Note 8 “Share-Based Compensation” for additional information regarding share-based compensation.

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Supplemental Cash Flow Information of the Company

9 Months Ended

Sep. 30, 2022

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information of the Company

Supplemental Cash Flow Information of the Company

Supplemental cash flow information follows (in thousands):

	Nine Months Ended September 30,
	2022		2021
SUPPLEMENTAL CASH FLOWS INFORMATION:
Cash paid for interest, net of capitalized interest of $55,080 and $55,423 as of September 30, 2022 and 2021, respectively	$	43,838	$	47,832
Cash paid for amounts included in the measurement of ground lease liabilities	$	4,719	$	4,939
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	$	97,014	$	79,891
Tenant improvements funded directly by tenants	$	7,397	$	8,179
Assumption of accrued liabilities in connection with acquisitions	$	—	$	37,572
Initial measurement of operating right of use ground lease assets	$	—	$	46,430
Initial measurement of operating ground lease liabilities	$	—	$	46,430
NON-CASH FINANCING TRANSACTIONS:
Accrual of dividends and distributions payable to common stockholders and common unitholders (Note 16)	$	64,271	$	61,845

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,
	2022		2021
	(in thousands)
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	414,077	$	731,991
Restricted cash at beginning of period	13,006		91,139
Cash and cash equivalents and restricted cash at beginning of period	$	427,083	$	823,130
Cash and cash equivalents at end of period	$	249,981	$	348,417
Restricted cash at end of period	13,009		13,042
Cash and cash equivalents and restricted cash at end of period	$	262,990	$	361,459

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Supplemental Cash Flow Information of the Operating Partnership

9 Months Ended

Sep. 30, 2022

Other Significant Noncash Transactions [Line Items]

Supplemental Cash Flow Information of the Operating Partnership

Supplemental Cash Flow Information of the Company

Supplemental cash flow information follows (in thousands):

	Nine Months Ended September 30,
	2022		2021
SUPPLEMENTAL CASH FLOWS INFORMATION:
Cash paid for interest, net of capitalized interest of $55,080 and $55,423 as of September 30, 2022 and 2021, respectively	$	43,838	$	47,832
Cash paid for amounts included in the measurement of ground lease liabilities	$	4,719	$	4,939
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	$	97,014	$	79,891
Tenant improvements funded directly by tenants	$	7,397	$	8,179
Assumption of accrued liabilities in connection with acquisitions	$	—	$	37,572
Initial measurement of operating right of use ground lease assets	$	—	$	46,430
Initial measurement of operating ground lease liabilities	$	—	$	46,430
NON-CASH FINANCING TRANSACTIONS:
Accrual of dividends and distributions payable to common stockholders and common unitholders (Note 16)	$	64,271	$	61,845

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,
	2022		2021
	(in thousands)
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	414,077	$	731,991
Restricted cash at beginning of period	13,006		91,139
Cash and cash equivalents and restricted cash at beginning of period	$	427,083	$	823,130
Cash and cash equivalents at end of period	$	249,981	$	348,417
Restricted cash at end of period	13,009		13,042
Cash and cash equivalents and restricted cash at end of period	$	262,990	$	361,459

Kilroy Realty L.P.

Other Significant Noncash Transactions [Line Items]

Supplemental Cash Flow Information of the Operating Partnership

Supplemental Cash Flow Information of the Operating Partnership:

Supplemental cash flow information follows (in thousands):

	Nine Months Ended September 30,
	2022		2021
SUPPLEMENTAL CASH FLOWS INFORMATION:
Cash paid for interest, net of capitalized interest of $55,080 and $55,423 as of September 30, 2022 and 2021, respectively	$	43,838	$	47,832
Cash paid for amounts included in the measurement of ground lease liabilities	$	4,719	$	4,939
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	$	97,014	$	79,891
Tenant improvements funded directly by tenants	$	7,397	$	8,179
Assumption of accrued liabilities in connection with acquisitions	$	—	$	37,572
Initial measurement of operating right of use ground lease assets	$	—	$	46,430
Initial measurement of operating ground lease liabilities	$	—	$	46,430
NON-CASH FINANCING TRANSACTIONS:
Accrual of distributions payable to common unitholders (Note 16)	$	64,271	$	61,845

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,
	2022		2021
	(in thousands)
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	414,077	$	731,991
Restricted cash at beginning of period	13,006		91,139
Cash and cash equivalents and restricted cash at beginning of period	$	427,083	$	823,130
Cash and cash equivalents at end of period	$	249,981	$	348,417
Restricted cash at end of period	13,009		13,042
Cash and cash equivalents and restricted cash at end of period	$	262,990	$	361,459

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Subsequent Events

9 Months Ended

Sep. 30, 2022

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

On October 12, 2022, aggregate dividends, distributions and dividend equivalents of $64.3 million were paid to common stockholders, common unitholders and RSU holders of record on September 30, 2022.

On October 3, 2022, the Operating Partnership entered into a $400.0 million unsecured term loan facility and made an initial draw of $200.0 million. The borrowing rate under the unsecured term loan facility is variable and subject to a ratings-based pricing grid, currently calculated as one-month Adjusted Secured Overnight Financing Rate ("SOFR") plus 95-basis points. The unsecured term loan facility also has a delayed draw feature and a $100.0 million accordion mechanism, subject to lender commitments. The unsecured term loan facility is scheduled to mature in October 2024 and includes two twelve-month extension options at the Company’s option.

In connection with entering into the unsecured term loan facility, the Company amended its unsecured Revolving Credit Agreement to replace the LIBOR-based interest rate option with a SOFR-based interest rate option for its loan borrowings.

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Organization, Ownership and Basis of Presentation (Policies)	9 Months Ended
	Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Consolidation policy	The consolidated financial statements of the Company include the consolidated financial position and results of operations of the Company, the Operating Partnership, 303 Second LLC, 100 First LLC, Redwood LLC and all of our wholly-owned and controlled subsidiaries. The consolidated financial statements of the Operating Partnership include the consolidated financial position and results of operations of the Operating Partnership, 303 Second LLC, 100 First LLC, Redwood LLC and all of our wholly-owned and controlled subsidiaries. All intercompany balances and transactions have been eliminated in the consolidated financial statements.
Basis of accounting	The accompanying interim financial statements have been prepared by management in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and in conjunction with the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures required for annual financial statements have been condensed or excluded pursuant to SEC rules and regulations. Accordingly, the interim financial statements do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, the accompanying interim financial statements reflect all adjustments of a normal and recurring nature that are considered necessary for a fair presentation of the results for the interim periods presented. However, the results of operations for the interim periods are not necessarily indicative of the results that may be expected for the year ending December 31, 2022. The interim financial statements for the Company and the Operating Partnership should be read in conjunction with the audited consolidated financial statements and notes thereto included in our annual report on Form 10-K for the year ended December 31, 2021.

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Organization, Ownership and Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of real estate properties

Our stabilized portfolio of operating properties was comprised of the following properties at September 30, 2022:

	Number of Buildings	Rentable Square Feet	Number of Tenants	Percentage  Occupied (1)		Percentage Leased
Stabilized Office Properties (2)	120	16,248,802	414	90.8	%	92.6	%

________________________

(1)Represents economic occupancy.

(2)Includes stabilized life science and retail space.

	Number of Projects	Number of Units	2022 Average Occupancy
Stabilized Residential Properties	3	1,001	93.6	%

As of September 30, 2022, the following properties were excluded from our stabilized portfolio. We did not have any properties held for sale at September 30, 2022.

	Number of Properties/Projects	Estimated Rentable Square Feet (1)
In-process development projects - tenant improvement	1	734,000
In-process development projects - under construction	2	946,000
In-process redevelopment projects - under construction	1	52,000

________________________

(1)Estimated rentable square feet upon completion.

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Acquisitions (Tables)

9 Months Ended

Sep. 30, 2022

Business Combination and Asset Acquisition [Abstract]

Schedule of acquisitions

During the nine months ended September 30, 2022, we acquired the following development site from an unrelated third party.

Property	Date of Acquisition	Submarket	Purchase Price (in millions) (1)
10615 Burnet Road, Austin, TX	March 9, 2022	Stadium District / Domain	$	40.0

________________________ 

(1)Excludes acquisition-related costs.

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Dispositions (Tables)

9 Months Ended

Sep. 30, 2022

Discontinued Operations and Disposal Groups [Abstract]

Schedule of operating property dispositions

The following table summarizes the one operating property sold during the nine months ended September 30, 2022:

Property	Month of Disposition	Number of Buildings	Rentable Square Feet	Sales Price (in millions) (1)
3130 Wilshire Boulevard, Santa Monica, CA	August	1	96,085	$	48.0

___________________________

(1)Represents gross sales price before the impact of broker commissions, closing costs and purchase price credits.

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Secured and Unsecured Debt of the Operating Partnership (Tables) - Kilroy Realty L.P.

9 Months Ended

Sep. 30, 2022

Debt Instrument [Line Items]

Schedule of Unsecured Revolving Credit Facility

The following table summarizes the balance and terms of our unsecured revolving credit facility as of September 30, 2022 and December 31, 2021:

	September 30, 2022			December 31, 2021
	(in thousands)
Outstanding borrowings	$	—		$	—
Remaining borrowing capacity	1,100,000			1,100,000
Total borrowing capacity (1)	$	1,100,000		$	1,100,000
Interest rate (2)	4.04		%	1.00		%
Facility fee-annual rate (3)	0.200%
Maturity date	July 2025

________________________

(1)We may elect to borrow, subject to bank approval and obtaining commitments for any additional borrowing capacity, up to an additional $500.0 million under an accordion feature under the terms of the unsecured revolving credit facility.

(2)Our unsecured revolving credit facility interest rate was calculated based on the contractual rate of LIBOR plus 0.900% as of September 30, 2022 and December 31, 2021.

(3)Our facility fee is paid on a quarterly basis and is calculated based on the total borrowing capacity. In addition to the facility fee, we incurred debt origination and legal costs. As of September 30, 2022 and December 31, 2021, $5.8 million and $7.3 million of unamortized deferred financing costs, respectively, which are included in prepaid expenses and other assets, net on our consolidated balance sheets, remained to be amortized through the respective maturity dates presented of our unsecured revolving credit facility.

Schedule of Debt Maturities

The following table summarizes the stated debt maturities and scheduled amortization payments for all outstanding debt as of September 30, 2022:

Year	(in thousands)
Remaining 2022	$	1,409
2023	5,775
2024	431,006
2025	406,246
2026	401,317
2027	249,125
Thereafter	2,600,000
Total aggregate principal value (1)	$	4,094,878

________________________ 

(1)Includes gross principal balance of outstanding debt before the effect of the following at September 30, 2022: $20.4 million of unamortized deferred financing costs for the unsecured senior notes and secured debt and $6.6 million of unamortized discounts for the unsecured senior notes.

Schedule of Capitalized Interest and Loan Fees

The following table sets forth gross interest expense, including debt discount and deferred financing cost amortization, net of capitalized interest, for the three and nine months ended September 30, 2022 and 2021. The interest expense capitalized was recorded as a cost of development and redevelopment and increased the carrying value of undeveloped land and construction in progress.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands)
Gross interest expense	$	39,659	$	39,552	$	118,995	$	118,257
Capitalized interest and deferred financing costs	(19,677)		(23,447)		(58,267)		(58,428)
Interest expense	$	19,982	$	16,105	$	60,728	$	59,829

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Partners' Capital of the Operating Partnership (Tables)

9 Months Ended

Sep. 30, 2022

Partners' Capital Notes [Abstract]

Schedule of Redeemable Noncontrolling Interest

The following table sets forth the number of common units held by the Company as the general partner and the number of common units held by non-affiliated investors and certain of our executive officers and directors in the form of common limited partner units as well as the ownership interest held on each respective date:

	September 30, 2022		December 31, 2021		September 30, 2021
Company owned common units in the Operating Partnership	116,877,453		116,464,169		116,461,683
Company owned general partnership interest	99.0	%	99.0	%	99.0	%
Non-affiliated investors and other common units of the Operating Partnership	1,150,574		1,150,574		1,150,574
Ownership interest of limited partnership interests	1.0	%	1.0	%	1.0	%

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Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of share-based payment award, restricted stock units, valuation assumptions

The fair value of the award was calculated using a Monte Carlo simulation pricing model based on the assumptions in the table below, which resulted in the following grant date fair value per share.

	Fair Value Assumptions
Valuation date	January 28, 2022
Fair value on valuation date (in millions)	$12.7
Fair value per share on valuation date (1)	$67.62
Expected share price volatility	36.0%
Risk-free interest rate	1.35%

________________________ 

(1)For one participant, the fair value per share on the valuation date for their 2022 Performance-Based RSUs is $70.00.

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Rental Income and Future Minimum Rent (Tables)

9 Months Ended

Sep. 30, 2022

Leases [Abstract]

Schedule of Rental Income

The table below sets forth the allocation of rental income between fixed and variable payments and net collectability reversals for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands)
Fixed lease payments	$	231,747	$	201,324	$	685,797	$	603,386
Variable lease payments	42,503		31,479		118,724		89,293
Net collectability reversals (1)	(1,704)		(2,083)		(191)		(2,830)
Total rental income	$	272,546	$	230,720	$	804,330	$	689,849

_____________________

(1)Represents adjustments to rental income related to our assessment of the collectability of amounts due under leases with our tenants, including recognition of deferred rent balances associated with tenants restored from a cash basis of revenue recognition to an accrual basis of revenue recognition and allowances for uncollectible receivables and leases deemed not probable of collection.

Future Contractual Minimum Rent Under Operating Lease

Future contractual minimum rent under operating leases, which includes amounts contractually due from leases that are on a cash basis of reporting due to creditworthiness considerations, as of September 30, 2022 for future periods is summarized as follows:

Year Ending	(in thousands)
Remaining 2022	$	204,108
2023	817,762
2024	789,711
2025	757,013
2026	704,712
2027	643,100
Thereafter	2,349,492
Total (1)	$	6,265,898

_____________________

(1)Excludes residential leases and leases with a term of one year or less.

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Fair Value Measurements and Disclosures (Tables)

9 Months Ended

Sep. 30, 2022

Fair Value Disclosures [Abstract]

Fair Value of the Company's Marketable Securities

The following table sets forth the fair value of our marketable securities as of September 30, 2022 and December 31, 2021:

	Fair Value (Level 1) (1)
	September 30, 2022		December 31, 2021
Description	(in thousands)
Marketable securities (2)	$	22,390	$	27,475

________________________

(1)    Based on quoted prices in active markets for identical securities.

(2)    The marketable securities are held in a limited rabbi trust.

Carrying Value and Fair Value of Other Financial Instruments

The following table sets forth the carrying value and the fair value of our other financial instruments as of September 30, 2022 and December 31, 2021:

	September 30, 2022				December 31, 2021
	Carrying Value		Fair Value (1)		Carrying Value		Fair Value (1)
	(in thousands)
Liabilities
Secured debt, net	$	244,316	$	233,002	$	248,367	$	269,687
Unsecured debt, net	$	3,823,532	$	3,303,591	$	3,820,383	$	4,105,408

________________________

(1)Fair value calculated using Level 2 inputs, which are based on model-derived valuations in which significant inputs and significant value drivers are observable in active markets.

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Net Income Available to Common Stockholders Per Share of the Company (Tables)

9 Months Ended

Sep. 30, 2022

Earnings Per Share [Abstract]

Net Income Available to Common Stockholders

The following table reconciles the numerator and denominator in computing the Company’s basic and diluted per-share computations for net income available to common stockholders for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands, except share and per share amounts)
Numerator:
Net income available to common stockholders	$	79,757	$	47,028	$	179,990	$	580,498
Allocation to participating securities (1)	(287)		(388)		(980)		(1,124)
Numerator for basic and diluted net income available to common stockholders	$	79,470	$	46,640	$	179,010	$	579,374
Denominator:
Basic weighted average vested shares outstanding	116,872,953		116,456,796		116,782,621		116,418,113
Effect of dilutive securities	369,458		505,884		380,528		476,321
Diluted weighted average vested shares and common stock equivalents outstanding	117,242,411		116,962,680		117,163,149		116,894,434
Basic earnings per share:
Net income available to common stockholders per share	$	0.68	$	0.40	$	1.53	$	4.98
Diluted earnings per share:
Net income available to common stockholders per share	$	0.68	$	0.40	$	1.53	$	4.96

________________________ 

(1)Participating securities include certain time-based RSUs and vested market measure-based RSUs.

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Net Income Available to Common Unitholders Per Unit of the Operating Partnership (Tables)

9 Months Ended

Sep. 30, 2022

Net Income Available To Common Unitholders [Line Items]

Net Income Available to Common Stockholders

The following table reconciles the numerator and denominator in computing the Company’s basic and diluted per-share computations for net income available to common stockholders for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands, except share and per share amounts)
Numerator:
Net income available to common stockholders	$	79,757	$	47,028	$	179,990	$	580,498
Allocation to participating securities (1)	(287)		(388)		(980)		(1,124)
Numerator for basic and diluted net income available to common stockholders	$	79,470	$	46,640	$	179,010	$	579,374
Denominator:
Basic weighted average vested shares outstanding	116,872,953		116,456,796		116,782,621		116,418,113
Effect of dilutive securities	369,458		505,884		380,528		476,321
Diluted weighted average vested shares and common stock equivalents outstanding	117,242,411		116,962,680		117,163,149		116,894,434
Basic earnings per share:
Net income available to common stockholders per share	$	0.68	$	0.40	$	1.53	$	4.98
Diluted earnings per share:
Net income available to common stockholders per share	$	0.68	$	0.40	$	1.53	$	4.96

________________________ 

(1)Participating securities include certain time-based RSUs and vested market measure-based RSUs.

Kilroy Realty L.P.

Net Income Available To Common Unitholders [Line Items]

Net Income Available to Common Stockholders

The following table reconciles the numerator and denominator in computing the Operating Partnership’s basic and diluted per-unit computations for net income available to common unitholders for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands, except unit and per unit amounts)
Numerator:
Net income available to common unitholders	$	80,421	$	47,488	$	181,685	$	586,198
Allocation to participating securities (1)	(287)		(388)		(980)		(1,124)
Numerator for basic and diluted net income available to common unitholders	$	80,134	$	47,100	$	180,705	$	585,074
Denominator:
Basic weighted average vested units outstanding	118,023,527		117,607,370		117,933,195		117,568,687
Effect of dilutive securities	369,458		505,884		380,528		476,321
Diluted weighted average vested units and common unit equivalents outstanding	118,392,985		118,113,254		118,313,723		118,045,008
Basic earnings per unit:
Net income available to common unitholders per unit	$	0.68	$	0.40	$	1.53	$	4.98
Diluted earnings per unit:
Net income available to common unitholders per unit	$	0.68	$	0.40	$	1.53	$	4.96

________________________ 

(1)Participating securities include certain time-based RSUs and vested market measure-based RSUs.

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Supplemental Cash Flow Information of the Company (Tables)

9 Months Ended

Sep. 30, 2022

Supplemental Cash Flow Elements [Abstract]

Schedule of Supplemental Cash Flows

Supplemental cash flow information follows (in thousands):

	Nine Months Ended September 30,
	2022		2021
SUPPLEMENTAL CASH FLOWS INFORMATION:
Cash paid for interest, net of capitalized interest of $55,080 and $55,423 as of September 30, 2022 and 2021, respectively	$	43,838	$	47,832
Cash paid for amounts included in the measurement of ground lease liabilities	$	4,719	$	4,939
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	$	97,014	$	79,891
Tenant improvements funded directly by tenants	$	7,397	$	8,179
Assumption of accrued liabilities in connection with acquisitions	$	—	$	37,572
Initial measurement of operating right of use ground lease assets	$	—	$	46,430
Initial measurement of operating ground lease liabilities	$	—	$	46,430
NON-CASH FINANCING TRANSACTIONS:
Accrual of dividends and distributions payable to common stockholders and common unitholders (Note 16)	$	64,271	$	61,845

Reconciliation of Cash and Cash Equivalents and Restricted Cash

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,
	2022		2021
	(in thousands)
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	414,077	$	731,991
Restricted cash at beginning of period	13,006		91,139
Cash and cash equivalents and restricted cash at beginning of period	$	427,083	$	823,130
Cash and cash equivalents at end of period	$	249,981	$	348,417
Restricted cash at end of period	13,009		13,042
Cash and cash equivalents and restricted cash at end of period	$	262,990	$	361,459

Reconciliation of Cash and Cash Equivalents and Restricted Cash

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,
	2022		2021
	(in thousands)
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	414,077	$	731,991
Restricted cash at beginning of period	13,006		91,139
Cash and cash equivalents and restricted cash at beginning of period	$	427,083	$	823,130
Cash and cash equivalents at end of period	$	249,981	$	348,417
Restricted cash at end of period	13,009		13,042
Cash and cash equivalents and restricted cash at end of period	$	262,990	$	361,459

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Supplemental Cash Flow Information of the Operating Partnership (Tables)

9 Months Ended

Sep. 30, 2022

Other Significant Noncash Transactions [Line Items]

Schedule of Supplemental Cash Flows

Supplemental cash flow information follows (in thousands):

	Nine Months Ended September 30,
	2022		2021
SUPPLEMENTAL CASH FLOWS INFORMATION:
Cash paid for interest, net of capitalized interest of $55,080 and $55,423 as of September 30, 2022 and 2021, respectively	$	43,838	$	47,832
Cash paid for amounts included in the measurement of ground lease liabilities	$	4,719	$	4,939
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	$	97,014	$	79,891
Tenant improvements funded directly by tenants	$	7,397	$	8,179
Assumption of accrued liabilities in connection with acquisitions	$	—	$	37,572
Initial measurement of operating right of use ground lease assets	$	—	$	46,430
Initial measurement of operating ground lease liabilities	$	—	$	46,430
NON-CASH FINANCING TRANSACTIONS:
Accrual of dividends and distributions payable to common stockholders and common unitholders (Note 16)	$	64,271	$	61,845

Reconciliation of Cash and Cash Equivalents and Restricted Cash

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,
	2022		2021
	(in thousands)
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	414,077	$	731,991
Restricted cash at beginning of period	13,006		91,139
Cash and cash equivalents and restricted cash at beginning of period	$	427,083	$	823,130
Cash and cash equivalents at end of period	$	249,981	$	348,417
Restricted cash at end of period	13,009		13,042
Cash and cash equivalents and restricted cash at end of period	$	262,990	$	361,459

Reconciliation of Cash and Cash Equivalents and Restricted Cash

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,
	2022		2021
	(in thousands)
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	414,077	$	731,991
Restricted cash at beginning of period	13,006		91,139
Cash and cash equivalents and restricted cash at beginning of period	$	427,083	$	823,130
Cash and cash equivalents at end of period	$	249,981	$	348,417
Restricted cash at end of period	13,009		13,042
Cash and cash equivalents and restricted cash at end of period	$	262,990	$	361,459

Kilroy Realty L.P.

Other Significant Noncash Transactions [Line Items]

Schedule of Supplemental Cash Flows

Supplemental cash flow information follows (in thousands):

	Nine Months Ended September 30,
	2022		2021
SUPPLEMENTAL CASH FLOWS INFORMATION:
Cash paid for interest, net of capitalized interest of $55,080 and $55,423 as of September 30, 2022 and 2021, respectively	$	43,838	$	47,832
Cash paid for amounts included in the measurement of ground lease liabilities	$	4,719	$	4,939
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	$	97,014	$	79,891
Tenant improvements funded directly by tenants	$	7,397	$	8,179
Assumption of accrued liabilities in connection with acquisitions	$	—	$	37,572
Initial measurement of operating right of use ground lease assets	$	—	$	46,430
Initial measurement of operating ground lease liabilities	$	—	$	46,430
NON-CASH FINANCING TRANSACTIONS:
Accrual of distributions payable to common unitholders (Note 16)	$	64,271	$	61,845

Reconciliation of Cash and Cash Equivalents and Restricted Cash

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,
	2022		2021
	(in thousands)
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	414,077	$	731,991
Restricted cash at beginning of period	13,006		91,139
Cash and cash equivalents and restricted cash at beginning of period	$	427,083	$	823,130
Cash and cash equivalents at end of period	$	249,981	$	348,417
Restricted cash at end of period	13,009		13,042
Cash and cash equivalents and restricted cash at end of period	$	262,990	$	361,459

Reconciliation of Cash and Cash Equivalents and Restricted Cash

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the nine months ended September 30, 2022 and 2021.

	Nine Months Ended September 30,
	2022		2021
	(in thousands)
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	414,077	$	731,991
Restricted cash at beginning of period	13,006		91,139
Cash and cash equivalents and restricted cash at beginning of period	$	427,083	$	823,130
Cash and cash equivalents at end of period	$	249,981	$	348,417
Restricted cash at end of period	13,009		13,042
Cash and cash equivalents and restricted cash at end of period	$	262,990	$	361,459

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Organization, Ownership and Basis of Presentation - Operating Properties (Details)	9 Months Ended
	Sep. 30, 2022 ft² project tenant property
Stabilized Office Properties
Real Estate Properties [Line Items]
Number of buildings | property	120
Rentable Square Feet	16,248,802
Number of Tenants | tenant	414
Percentage occupied	90.80%
Percentage Leased	92.60%
Stabilized Residential Properties
Real Estate Properties [Line Items]
Number of properties | property	3
Number of Units | property	1,001
2022 Average Occupancy	93.60%
In-process development projects - tenant improvement
Real Estate Properties [Line Items]
Rentable Square Feet	734,000
Number of properties | project	1
In-process development projects - under construction
Real Estate Properties [Line Items]
Rentable Square Feet	946,000
Number of properties | project	2
In-process redevelopment projects - under construction
Real Estate Properties [Line Items]
Rentable Square Feet	52,000
Number of properties | project	1

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Organization, Ownership and Basis of Presentation - Narrative (Details) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2022 USD ($) ft² a property VIE property_partnership development_site building	Sep. 30, 2021	Dec. 31, 2021 USD ($) VIE
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Lease-up properties occupancy percentage	95.00%
Lease-up properties occupancy duration	1 year
Assets | $	$ 10,619,992		$ 10,583,397
Liabilities | $	4,940,215		4,893,527
Noncontrolling interest in VIE | $	$ 186,907		$ 196,064
Variable Interest Entity, Primary Beneficiary
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of VIEs | VIE	2		2
Assets | $	$ 440,400		$ 462,300
Liabilities | $	27,700		28,100
Variable Interest Entity, Primary Beneficiary | Real Estate Investment
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Assets | $	$ 366,100		377,900
San Francisco, California
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of properties | building	1
101 First LLC and 303 Second LLC
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Company owned general partnership interest	56.00%
101 First LLC and 303 Second LLC | Variable Interest Entity, Primary Beneficiary
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Noncontrolling interest in VIE | $	$ 181,800		$ 190,700
Redwood LLC
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Company owned general partnership interest	93.00%
Redwood LLC | Redwood City, California
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of properties | property	2
Operating Partnership
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Ownership interest (percent)	99.00%	99.00%	99.00%
Operating Partnership | Non-Affiliated Investors
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Ownership interest (percent)	1.00%	1.00%	1.00%
Development sites
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of future development sites | development_site	8
Future Development Site
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Area of undeveloped land | a	64
Stabilized Office Properties
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of buildings | property	120
Rentable square feet | ft²	16,248,802
Stabilized Office Properties | Washington
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of properties | property	10
Stabilized Development Projects | Seattle, Washington and San Diego, CA
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of development projects added during the period | property	2
Stabilized Redevelopment Projects | San Diego, CA
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of buildings redevelopment projects added during the period | property	2
Stabilized Office and Life Science Space | Seattle, Washington and San Diego, CA
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of buildings | property	4
Rentable square feet | ft²	1,114,704
Development Project In The Tenant Improvement Phase | Texas
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of properties | development_site	1
Future Development Project | Washington
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of properties | development_site	1
Future Development Project | Texas
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of properties | development_site	1
Properties and development projects
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Property ownership percentage	100.00%
Office properties owned by consolidated property partnerships
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of properties | property	4
Consolidated Property Partnerships
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of property partnerships | property_partnership	3
Consolidated Property Partnerships Owning Office Properties Through REITs | 101 First LLC and 303 Second LLC
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of property partnerships | property_partnership	2

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Acquisitions (Details) $ in Millions	Mar. 09, 2022 USD ($)
10615 Burnet Road, Austin, TX
Schedule of Asset Acquisitions, by Acquisition [Line Items]
Purchase price	$ 40.0

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Dispositions and Real Estate Held for Sale - Operating Property Dispositions (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 31, 2022 USD ($) ft² property	Sep. 30, 2022 USD ($) building	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) building	Sep. 30, 2021 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of depreciable operating property		$ 17,329	$ 0	$ 17,329	$ 457,831
Disposal group, disposed of by sale | 3130 Wilshire Boulevard, Santa Monica, CA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties	1	1		1
Rentable square feet | ft²	96,085
Sales price	$ 48,000

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Secured and Unsecured Debt of the Operating Partnership - Unsecured Senior Notes, Unsecured Revolving Credit Facility and Term Loan Facility (Details) - Kilroy Realty L.P. - Revolving credit facility - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Terms of the Credit Facility
Outstanding borrowings	$ 0	$ 0
Remaining borrowing capacity	1,100,000,000	1,100,000,000
Total borrowing capacity	$ 1,100,000,000	$ 1,100,000,000
Interest rate (percent)	4.04%	1.00%
Facility fee-annual rate (percent)	0.20%	0.20%
Contingent additional borrowings	$ 500,000,000	$ 500,000,000
Unamortized deferred financing costs	$ 5,800,000	$ 7,300,000
London Interbank Offered Rate (LIBOR)
Terms of the Credit Facility
Variable rate (percent)	0.90%	0.90%

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Secured and Unsecured Debt of the Operating Partnership - Debt Maturities (Details) - Kilroy Realty L.P. $ in Thousands	Sep. 30, 2022 USD ($)
Stated debt maturities and scheduled amortization payments
Remaining 2022	$ 1,409
2023	5,775
2024	431,006
2025	406,246
2026	401,317
2027	249,125
Thereafter	2,600,000
Total debt	4,094,878
Unsecured Term Loan Facility, Unsecured Senior Notes and Secured Debt
Stated debt maturities and scheduled amortization payments
Unamortized deferred financing costs	20,400
Senior Notes
Stated debt maturities and scheduled amortization payments
Unamortized discount	$ 6,600

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Secured and Unsecured Debt of the Operating Partnership - Capitalized Interest and Loan Fees (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Capitalized Interest and Loan Fees [Line Items]
Interest expense	$ 19,982	$ 16,105	$ 60,728	$ 59,829
Kilroy Realty L.P.
Capitalized Interest and Loan Fees [Line Items]
Gross interest expense	39,659	39,552	118,995	118,257
Capitalized interest and deferred financing costs	(19,677)	(23,447)	(58,267)	(58,428)
Interest expense	$ 19,982	$ 16,105	$ 60,728	$ 59,829

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Stockholders' Equity of the Company (Details) - USD ($)	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021	Jun. 30, 2018
Class of Stock [Line Items]
Common stock, shares issued (in shares)	116,877,453	116,464,169
2018 At-The-Market Program
Class of Stock [Line Items]
At the market stock offering aggregate gross sales price of common stock			$ 500,000,000
Common Stock | Forward equity sale | 2018 At-The-Market Program
Class of Stock [Line Items]
Common stock, shares issued (in shares)	3,594,576
At the market stock offering remaining amount available for issuance	$ 214,200,000
Proceeds from issuance of stock	$ 0

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Noncontrolling Interests on the Company's Consolidated Financial Statements (Details) $ / shares in Units, $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2022 USD ($) trading_day $ / shares shares	Sep. 30, 2021 shares	Dec. 31, 2021 USD ($) trading_day $ / shares shares
Noncontrolling Interest [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.01		$ 0.01
Number of trading days | trading_day	10		10
Aggregate value upon redemption of outstanding noncontrolling common units | $	$ 50.5		$ 76.2
Non-Affiliated Investors | Common Units
Noncontrolling Interest [Line Items]
Common units outstanding held by common limited partners (in shares)	1,150,574	1,150,574	1,150,574
Kilroy Realty L.P. | Common Units
Noncontrolling Interest [Line Items]
Conversion ratio	1
Kilroy Realty L.P. | Common Units
Noncontrolling Interest [Line Items]
Common units outstanding held by common limited partners (in shares)	1,150,574		1,150,574
Operating Partnership
Noncontrolling Interest [Line Items]
Ownership interest (percent)	99.00%	99.00%	99.00%
Operating Partnership | Non-Affiliated Investors
Noncontrolling Interest [Line Items]
Ownership interest (percent)	1.00%	1.00%	1.00%

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Partners' Capital of the Operating Partnership (Details) - shares	9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Operating Partnership
General Partners' Capital Account [Abstract]
Company owned general partnership interest (percent)	99.00%	99.00%	99.00%
Kilroy Realty L.P. | Common Units
General Partners' Capital Account [Abstract]
Company owned common units in the Operating Partnership (in units)	116,877,453	116,461,683	116,464,169
Non-affiliated investors and other common units of the Operating Partnership (in units)	1,150,574		1,150,574
Non-Affiliated Investors | Operating Partnership
General Partners' Capital Account [Abstract]
Company owned general partnership interest (percent)	1.00%	1.00%	1.00%
Non-Affiliated Investors | Common Units
General Partners' Capital Account [Abstract]
Non-affiliated investors and other common units of the Operating Partnership (in units)	1,150,574	1,150,574	1,150,574

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Share-Based Compensation - Narrative (Details) $ / shares in Units, $ in Millions		1 Months Ended	3 Months Ended		9 Months Ended
	Jan. 28, 2022 USD ($) participant installment $ / shares shares	Jan. 31, 2022 participant shares	Sep. 30, 2022 USD ($) participant compensation_plan shares	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) compensation_plan participant shares	Sep. 30, 2021 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of share-based incentive compensation plans | compensation_plan			1		1
Effective registration shares (in shares) | shares			10,700,000		10,700,000
Number of shares available for grant (in shares) | shares			1,100,000		1,100,000
Share-based compensation expense | $			$ 10.3	$ 11.5	$ 26.5	$ 32.3
Share-based compensation expense capitalized | $			1.9	$ 2.4	5.0	$ 5.8
Share-based compensation not yet recognized | $			$ 32.2		32.2
Share-based compensation not yet recognized period of recognition			1 year 9 months 18 days
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted in period (in shares) | shares		351,281
Market Measure-Based Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted in period (in shares) | shares		193,111
Time-Based Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted in period (in shares) | shares		158,170
2022 Performance-Based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Vesting, achievement of pre-set FFO per share goals, percentage of RSUs		100.00%
Vesting, Average debt to EBIDTA ratio, percentage of RSUs		50.00%
Vesting, Market measure, percentage of RSUs		50.00%
Share-based compensation expense | $					$ 6.2
Number of participants with compensation expense recognized on a rolling twelve-month basis | participant		1
Number of shares issuable per RSU		1
Fair value RSUs granted | $	$ 12.7
Time-Based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of participants with compensation expense recognized on a rolling twelve-month basis | participant	1
Number of installments | installment	3
Right to receive number of shares (in shares) | shares	1
Time-Based Restricted Stock Units (RSUs), Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value RSUs granted | $	$ 10.0
Share price (in dollars per share) | $ / shares	$ 63.05
2021 Performance-Based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of participants with compensation expense recognized on a rolling twelve-month basis | participant			1		1
Performance-based RSU, achievement target, all other participants, percent			150.00%		150.00%
Performance-based RSU, achievement target, one participant, percent			175.00%		175.00%
2020 Performance-Based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of participants with compensation expense recognized on a rolling twelve-month basis | participant			1		1
Performance-based RSU, achievement target, all other participants, percent			150.00%		150.00%
Performance-based RSU, achievement target, one participant, percent			175.00%		175.00%

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Share-Based Compensation - Fair Value Assumptions (Details) - 2022 Performance-Based RSUs $ / shares in Units, $ in Millions	Jan. 28, 2022 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value on valuation date | $	$ 12.7
Fair value per share on valuation date (in dollars per share)	$ 67.62
Expected share price volatility	36.00%
Risk-free interest rate	1.35%
One Participant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value per share on valuation date (in dollars per share)	$ 70.00

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Rental Income and Future Minimum Rent - Rental income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Leases [Abstract]
Fixed lease payments	$ 231,747	$ 201,324	$ 685,797	$ 603,386
Variable lease payments	42,503	31,479	118,724	89,293
Net collectability reversals	(1,704)	(2,083)	(191)	(2,830)
Total rental income	$ 272,546	$ 230,720	$ 804,330	$ 689,849

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Rental Income and Future Minimum Rent - Future Contractual Minimum Rent (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Future contractual minimum rent under operating lease
Remaining 2022	$ 204,108
2023	817,762
2024	789,711
2025	757,013
2026	704,712
2027	643,100
Thereafter	2,349,492
Total	$ 6,265,898

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Commitments and Contingencies - Narrative (Details) $ in Millions	Sep. 30, 2022 USD ($)
Long-term Purchase Commitment [Line Items]
Commitments for contracts and executed leases directly related to operating and development properties	$ 620.2
Environmental matters
Long-term Purchase Commitment [Line Items]
Accrued environmental remediation liabilities	$ 81.0

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Fair Value Measurements and Disclosures - Assets and Liabilities Reported at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair value, measurements, recurring | Fair Value (Level 1)
Assets and Liabilities Reported at Fair Value
Marketable securities	$ 22,390	$ 27,475

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Fair Value Measurements and Disclosures - Financial Instruments Disclosed at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Carrying Value | Secured debt, net
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of debt, net	$ 244,316	$ 248,367
Carrying Value | Unsecured debt, net
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of debt, net	3,823,532	3,820,383
Fair Value | Secured debt, net | Fair value (level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of debt, net	233,002	269,687
Fair Value | Unsecured debt, net | Fair value (level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of debt, net	$ 3,303,591	$ 4,105,408

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Net Income Available to Common Stockholders Per Share of the Company (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net income available to common stockholders	$ 79,757	$ 47,028	$ 179,990	$ 580,498
Allocation to participating securities	(287)	(388)	(980)	(1,124)
Numerator for basic and diluted net income available to common stockholders	$ 79,470	$ 46,640	$ 179,010	$ 579,374
Denominator:
Basic weighted average vested shares outstanding (in shares)	116,872,953	116,456,796	116,782,621	116,418,113
Effect of dilutive securities (in shares)	369,458	505,884	380,528	476,321
Diluted weighted average vested shares and common stock equivalents outstanding (in shares)	117,242,411	116,962,680	117,163,149	116,894,434
Basic earnings per share:
Net income available to common stockholders per share (in dollars per share)	$ 0.68	$ 0.40	$ 1.53	$ 4.98
Diluted earnings per share:
Net income available to common stockholders per share (in dollars per share)	$ 0.68	$ 0.40	$ 1.53	$ 4.96

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Net Income Available to Common Unitholders Per Unit of the Operating Partnership (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net income available to common unitholders	$ 79,757	$ 47,028	$ 179,990	$ 580,498
Allocation to participating securities	(287)	(388)	(980)	(1,124)
Numerator for basic and diluted net income available to common stockholders	$ 79,470	$ 46,640	$ 179,010	$ 579,374
Denominator:
Basic weighted average vested units outstanding (in shares)	116,872,953	116,456,796	116,782,621	116,418,113
Effect of dilutive securities (in shares)	369,458	505,884	380,528	476,321
Diluted weighted average vested shares and common stock equivalents outstanding (in shares)	117,242,411	116,962,680	117,163,149	116,894,434
Basic earnings per unit:
Net income available to common stockholders per unit (in dollars per share)	$ 0.68	$ 0.40	$ 1.53	$ 4.98
Diluted earnings per unit:
Net income available to common stockholders per unit (in dollars per share)	$ 0.68	$ 0.40	$ 1.53	$ 4.96
Kilroy Realty L.P.
Numerator:
Net income available to common unitholders	$ 80,421	$ 47,488	$ 181,685	$ 586,198
Allocation to participating securities	(287)	(388)	(980)	(1,124)
Numerator for basic and diluted net income available to common stockholders	$ 80,134	$ 47,100	$ 180,705	$ 585,074
Denominator:
Basic weighted average vested units outstanding (in shares)	118,023,527	117,607,370	117,933,195	117,568,687
Effect of dilutive securities (in shares)	369,458	505,884	380,528	476,321
Diluted weighted average vested shares and common stock equivalents outstanding (in shares)	118,392,985	118,113,254	118,313,723	118,045,008
Basic earnings per unit:
Net income available to common stockholders per unit (in dollars per share)	$ 0.68	$ 0.40	$ 1.53	$ 4.98
Diluted earnings per unit:
Net income available to common stockholders per unit (in dollars per share)	$ 0.68	$ 0.40	$ 1.53	$ 4.96

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Supplemental Cash Flow Information of the Company - Supplemental Cash Flow (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
SUPPLEMENTAL CASH FLOWS INFORMATION:
Capitalized interest	$ 55,080	$ 55,423
Cash paid for interest, net of capitalized interest of $55,080 and $55,423 as of September 30, 2022 and 2021, respectively	43,838	47,832
Cash paid for amounts included in the measurement of ground lease liabilities	4,719	4,939
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	97,014	79,891
Tenant improvements funded directly by tenants	7,397	8,179
Assumption of accrued liabilities in connection with acquisitions	0	37,572
Initial measurement of operating right of use ground lease assets	0	46,430
Initial measurement of operating ground lease liabilities	0	46,430
NON-CASH FINANCING TRANSACTIONS:
Accrual of dividends and distributions payable to common stockholders and common unitholders (Note 16)	$ 64,271	$ 61,845

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Supplemental Cash Flow Information of the Company - Cash and Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents	$ 249,981	$ 414,077	$ 348,417	$ 731,991
Restricted cash	13,009	13,006	13,042	91,139
Cash and cash equivalents and restricted cash	$ 262,990	$ 427,083	$ 361,459	$ 823,130

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Supplemental Cash Flow Information of the Operating Partnership - Supplemental Cash Flow (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
SUPPLEMENTAL CASH FLOWS INFORMATION:
Capitalized interest	$ 55,080	$ 55,423
Cash paid for interest, net of capitalized interest of $55,080 and $55,423 as of September 30, 2022 and 2021, respectively	43,838	47,832
Cash paid for amounts included in the measurement of ground lease liabilities	4,719	4,939
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	97,014	79,891
Tenant improvements funded directly by tenants	7,397	8,179
Assumption of accrued liabilities in connection with acquisitions	0	37,572
Initial measurement of operating right of use ground lease assets	0	46,430
Initial measurement of operating ground lease liabilities	0	46,430
NON-CASH FINANCING TRANSACTIONS:
Accrual of distributions payable to common unitholders	64,271	61,845
Kilroy Realty L.P.
SUPPLEMENTAL CASH FLOWS INFORMATION:
Capitalized interest	55,080	55,423
Cash paid for interest, net of capitalized interest of $55,080 and $55,423 as of September 30, 2022 and 2021, respectively	43,838	47,832
Cash paid for amounts included in the measurement of ground lease liabilities	4,719	4,939
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	97,014	79,891
Tenant improvements funded directly by tenants	7,397	8,179
Assumption of accrued liabilities in connection with acquisitions	0	37,572
Initial measurement of operating right of use ground lease assets	0	46,430
Initial measurement of operating ground lease liabilities	0	46,430
NON-CASH FINANCING TRANSACTIONS:
Accrual of distributions payable to common unitholders	$ 64,271	$ 61,845

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Supplemental Cash Flow Information of the Operating Partnership - Reconciliation of Cash and Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents	$ 249,981	$ 414,077	$ 348,417	$ 731,991
Restricted cash	13,009	13,006	13,042	91,139
Cash and cash equivalents and restricted cash	262,990	427,083	361,459	823,130
Kilroy Realty L.P.
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents	249,981	414,077	348,417	731,991
Restricted cash	13,009	13,006	13,042	91,139
Cash and cash equivalents and restricted cash	$ 262,990	$ 427,083	$ 361,459	$ 823,130

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Subsequent Events (Details) - Subsequent Event	Oct. 12, 2022 USD ($)	Oct. 03, 2022 USD ($) property
Subsequent Event [Line Items]
Payment of dividends	$ 64,300,000
Unsecured debt, net | Unsecured Term Loan Facility
Subsequent Event [Line Items]
Principal amount of debt		$ 400,000,000
Proceeds from the issuance of unsecured debt		200,000,000
Debt instrument, accordion feature, increase limit		$ 100,000,000
Number of extension options | property		2
Extension period		12 months
Unsecured debt, net | Unsecured Term Loan Facility | SOFR
Subsequent Event [Line Items]
Variable rate (percent)		0.95%