UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 10-Q

(Mark one)



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



For the quarterly period ended	March 31, ~~2016~~2017



o	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 1-14023 (Corporate Office Properties Trust)

Commission file number 333-189188 (Corporate Office Properties, L.P.)

Corporate Office Properties Trust

Corporate Office Properties, L.P.

(Exact name of registrant as specified in its charter)



Corporate Office Properties Trust	Maryland	23-2947217
	(State or other jurisdiction of	(IRS Employer
	incorporation or organization)	Identification No.)

Corporate Office Properties, L.P.	Delaware	23-2930022
	(State or other jurisdiction of	(IRS Employer
	incorporation or organization)	Identification No.)



6711 Columbia Gateway Drive, Suite 300, Columbia, MD		21046
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code: (443) 285-5400

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.

Corporate Office Properties Trust ý Yes o No

Corporate Office Properties, L.P. ý Yes o No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Corporate Office Properties Trust ý Yes o No

Corporate Office Properties, L.P. ý Yes o No

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

Corporate Office Properties Trust



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

Corporate Office Properties, L.P.



Large accelerated filer oý	Accelerated filer o	Non-accelerated filer ýo	Smaller reporting company o	Emerging growth company o
		(Do not check if a smaller reporting 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.

Corporate Office Properties Trust o

Corporate Office Properties, L.P. o

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

Corporate Office Properties Trust o Yes ý No

Corporate Office Properties, L.P. o Yes ý No

As of April ~~20, 2016~~21, 2017, ~~94,650,659~~99,433,410 of Corporate Office Properties Trust’s Common Shares of Beneficial Interest, $0.01 par value, were issued and outstanding.

EXPLANATORY NOTE

This report combines the quarterly reports on Form 10-Q for the period ended March 31, ~~2016~~2017 of Corporate Office Properties Trust (“COPT”) and subsidiaries (collectively, the “Company”) and Corporate Office Properties, L.P. (“COPLP”) and subsidiaries (collectively, the “Operating Partnership”). Unless stated otherwise or the context otherwise requires, “we,” “our,” and “us” refer collectively to COPT, COPLP and their subsidiaries.

COPT is a real estate investment trust, or REIT, and the sole general partner of COPLP. As of March 31, ~~2016~~2017, COPT owned approximately ~~96.3%~~96.7% of the outstanding common units and approximately ~~95.5%~~95.1% of the outstanding preferred units in COPLP; the remaining common and preferred units in COPLP were owned by third parties. As the sole general partner of COPLP, COPT controls COPLP and can cause it to enter into 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 which are reflected 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. COPT is a real estate investment trust, whose only material asset is its ownership of partnership interests of COPLP. As a result, COPT does not conduct business itself, other than acting as the sole general partner of COPLP, issuing public equity from time to time and guaranteeing certain debt of COPLP. COPT itself is not directly obligated under any indebtedness but guarantees some of the debt of COPLP. COPLP owns substantially all of the assets of COPT either directly or through its subsidiaries, conducts almost all of the operations of the business and is structured as a limited partnership with no publicly traded equity. Except for net proceeds from public equity issuances by COPT, which are contributed to COPLP in exchange for partnership units, COPLP generates the capital required by COPT’s business through COPLP’s operations, by COPLP’s direct or indirect incurrence of indebtedness or through the issuance of partnership units.

Noncontrolling interests and shareholders’ equity and partners’ capital are the main areas of difference between the consolidated financial statements of COPT and those of COPLP. The common limited partnership interests in COPLP not

owned by COPT are accounted for as partners’ capital in COPLP’s consolidated financial statements and as noncontrolling interests in COPT’s consolidated financial statements. COPLP’s consolidated financial statements also reflect COPT’s noncontrolling interests in certain real estate partnerships, limited liability companies (“LLCs”)~~, business trusts~~ and corporations; the differences between shareholders’ equity, partners’ capital and noncontrolling interests result from the differences in the equity issued at the COPT and COPLP levels and in COPT’s noncontrolling interests in these real estate partnerships, LLCs, business trusts and corporations. The only other significant differences between the consolidated financial statements of COPT and those of COPLP are assets held in connection with a non-qualified elective deferred compensation plan

~~(comprised~~ (comprised primarily of mutual funds and equity securities) and the corresponding liability to the plan’s participants that are held directly by COPT.

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 3, Fair Value Measurements of COPT and subsidiaries and COPLP and subsidiaries; and

Note ~~13,~~14, Earnings per Share of COPT and subsidiaries and Earnings per Unit of COPLP and subsidiaries;

“Item 2: Management’s Discussion and Analysis of Financial Condition and Results of Operations - Liquidity and Capital Resources of COPT”; and

“Item 2: Management’s Discussion and Analysis of Financial Condition and Results of Operations - Liquidity and Capital Resources of COPLP.”

This report also includes separate sections under Part I, Item 4. Controls and Procedures and separate Exhibit 31 and Exhibit 32 certifications for each of COPT and COPLP to establish that the Chief Executive Officer and the Chief Financial Officer of each entity have made the requisite certifications and that COPT and COPLP are compliant with Rule 13a-15 and Rule 15d-14 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and 18 U.S.C. §1350.

TABLE OF CONTENTS

FORM 10-Q



		PAGE
PART I: FINANCIAL INFORMATION

Item 1:	Financial Statements:
Consolidated Financial Statements of Corporate Office Properties Trust
	Consolidated Balance Sheets as of March 31, ~~2016~~2017 and December 31, ~~2015~~2016 (unaudited)	3
	Consolidated Statements of Operations for the Three Months Ended March 31, ~~2016~~2017 and ~~2015~~2016 (unaudited)	4
	Consolidated Statements of Comprehensive Income for the Three Months Ended March 31, ~~2016~~2017 and ~~2015~~2016 (unaudited)	5
	Consolidated Statements of Equity for the Three Months Ended March 31, ~~2016~~2017 and ~~2015~~2016 (unaudited)	6
	Consolidated Statements of Cash Flows for the Three Months Ended March 31, ~~2016~~2017 and ~~2015~~2016 (unaudited)	7
Consolidated Financial Statements of Corporate Office Properties, L.P.
	Consolidated Balance Sheets as of March 31, ~~2016~~2017 and December 31, ~~2015~~2016 (unaudited)	9
	Consolidated Statements of Operations for the Three Months Ended March 31, ~~2016~~2017 and ~~2015~~2016 (unaudited)	10
	Consolidated Statements of Comprehensive Income for the Three Months Ended March 31, ~~2016~~2017 and ~~2015~~2016 (unaudited)	11
	Consolidated Statements of Equity for the Three Months Ended March 31, ~~2016~~2017 and ~~2015~~2016 (unaudited)	12
	Consolidated Statements of Cash Flows for the Three Months Ended March 31, ~~2016~~2017 and ~~2015~~2016 (unaudited)	13
Notes to Consolidated Financial Statements (unaudited)		15
Item 2:	Management’s Discussion and Analysis of Financial Condition and Results of Operations	33
Item 3:	Quantitative and Qualitative Disclosures About Market Risk	4544
Item 4:	Controls and Procedures	4645

PART II: OTHER INFORMATION

Item 1:	Legal Proceedings	4645
Item 1A:	Risk Factors	4645
Item 2:	Unregistered Sales of Equity Securities and Use of Proceeds	4645
Item 3:	Defaults Upon Senior Securities	4746
Item 4:	Mine Safety Disclosures	4746
Item 5:	Other Information	4746
Item 6:	Exhibits	47

SIGNATURES		4948

PART I: FINANCIAL INFORMATION

ITEM 1. Financial Statements

Corporate Office Properties Trust and Subsidiaries

Consolidated Balance Sheets

(in thousands, except share data)

(unaudited)


	March 31, 2016			December 31, 2015			March 31, 2017			December 31, 2016
Assets
Properties, net:
Operating properties, net	$	2,863,262		$	2,920,529		$	2,670,157		$	2,671,831
Projects in development or held for future development	416,169			429,219			422,857			401,531
Total properties, net	3,279,431			3,349,748			3,093,014			3,073,362
Assets held for sale, net	225,897			96,782			41,391			94,654
Cash and cash equivalents	62,489			60,310			226,470			209,863
Restricted cash and marketable securities	7,763			7,716			6,439			8,193
Accounts receivable (net of allowance for doubtful accounts of $1,789 and $1,525, respectively)	28,776			29,167
Deferred rent receivable (net of allowance of $881 and $1,962, respectively)	96,936			105,484
Investment in unconsolidated real estate joint venture							25,417			25,548
Accounts receivable (net of allowance for doubtful accounts of $446 and $603, respectively)							29,431			34,438
Deferred rent receivable (net of allowance of $125 and $373, respectively)							89,410			90,219
Intangible assets on real estate acquisitions, net	93,526			98,338			73,748			78,351
Deferred leasing costs (net of accumulated amortization of $66,237 and $66,364, respectively)	44,768			53,868
Deferred leasing costs (net of accumulated amortization of $68,280 and $65,988, respectively)							40,753			41,214
Investing receivables	48,998			47,875			53,570			52,279
Prepaid expenses and other assets, net	49,324			60,024			59,723			72,764
Total assets	$	3,937,908		$	3,909,312		$	3,739,366		$	3,780,885
Liabilities and equity
Liabilities:
Debt, net	$	2,140,212		$	2,077,752		$	1,903,657		$	1,904,001
Accounts payable and accrued expenses	78,597			91,755			83,107			108,682
Rents received in advance and security deposits	33,457			37,148			28,393			29,798
Dividends and distributions payable	30,217			30,178			31,131			31,335
Deferred revenue associated with operating leases	19,093			19,758			11,750			12,666
Interest rate derivatives	15,072			3,160
Redeemable preferred shares of beneficial interest ($0.01 par value; shares issued and outstanding of 531,667 at December 31, 2016)							—			26,583
Other liabilities	15,046			13,779			55,784			50,177
Total liabilities	2,331,694			2,273,530			2,113,822			2,163,242
Commitments and contingencies (Note 14)
Commitments and contingencies (Note 15)
Redeemable noncontrolling interests	22,333			19,218			23,676			22,979
Equity:
Corporate Office Properties Trust’s shareholders’ equity:
Preferred Shares of beneficial interest at liquidation preference ($0.01 par value; 25,000,000 shares authorized, shares issued and outstanding of 7,431,667 at March 31, 2016 and December 31, 2015)	199,083			199,083
Common Shares of beneficial interest ($0.01 par value; 125,000,000 shares authorized, shares issued and outstanding of 94,661,381 at March 31, 2016 and 94,531,512 at December 31, 2015)	947			945
Preferred Shares of beneficial interest at liquidation preference ($0.01 par value; 25,000,000 shares authorized, shares issued and outstanding of 6,900,000 at March 31, 2017 and December 31, 2016)							172,500			172,500
Common Shares of beneficial interest ($0.01 par value; 125,000,000 shares authorized, shares issued and outstanding of 99,390,234 at March 31, 2017 and 98,498,651 at December 31, 2016)							994			985
Additional paid-in capital	2,005,523			2,004,507			2,136,369			2,116,581
Cumulative distributions in excess of net income	(679,935		)	(657,172		)	(774,445		)	(765,276		)
Accumulated other comprehensive loss	(12,862		)	(2,838		)	(370		)	(1,731		)
Total Corporate Office Properties Trust’s shareholders’ equity	1,512,756			1,544,525			1,535,048			1,523,059
Noncontrolling interests in subsidiaries:
Common units in COPLP	51,031			52,359			46,683			49,228
Preferred units in COPLP	8,800			8,800			8,800			8,800
Other consolidated entities	11,294			10,880			11,337			13,577
Noncontrolling interests in subsidiaries	71,125			72,039			66,820			71,605
Total equity	1,583,881			1,616,564			1,601,868			1,594,664
Total liabilities, redeemable noncontrolling interest and equity	$	3,937,908		$	3,909,312		$	3,739,366		$	3,780,885

See accompanying notes to consolidated financial statements.

Corporate Office Properties Trust and Subsidiaries

Consolidated Statements of Operations

(in thousands, except per share data)

(unaudited)


	For the Three Months Ended March 31,						For the Three Months Ended March 31,
	2016			2015			2017			2016
Revenues
Rental revenue	$	105,382		$	98,238		$	100,615		$	105,382
Tenant recoveries and other real estate operations revenue	27,705			24,472			26,152			27,705
Construction contract and other service revenues	11,220			38,324			13,034			11,220
Total revenues	144,307			161,034			139,801			144,307
Expenses
Property operating expenses	51,875			50,681			48,519			51,875
Depreciation and amortization associated with real estate operations	34,527			31,599			33,059			34,527
Construction contract and other service expenses	10,694			37,498			12,486			10,694
Impairment losses	2,446			—			—			2,446
General, administrative and leasing expenses	11,883			7,891			8,611			11,883
Business development expenses and land carry costs	2,418			2,790			1,693			2,418
Total operating expenses	113,843			130,459			104,368			113,843
Operating income	30,464			30,575			35,433			30,464
Interest expense	(23,559		)	(20,838		)	(18,994		)	(23,559		)
Interest and other income	1,156			1,283			1,726			1,156
Gain (loss) on early extinguishment of debt	17			(3		)
Income from continuing operations before equity in income of unconsolidated entities and income taxes	8,078			11,017
Gain on early extinguishment of debt							—			17
Income before equity in income of unconsolidated entities and income taxes							18,165			8,078
Equity in income of unconsolidated entities	10			25			725			10
Income tax benefit (expense)	8			(55		)
Income from continuing operations	8,096			10,987
Discontinued operations	—			(238		)
Income tax (expense) benefit							(40		)	8
Income before gain on sales of real estate	8,096			10,749			18,850			8,096
Gain on sales of real estate	—			3,986			4,238			—
Net income	8,096			14,735			23,088			8,096
Net income attributable to noncontrolling interests:
Common units in COPLP	(127		)	(398		)	(634		)	(127		)
Preferred units in COPLP	(165		)	(165		)	(165		)	(165		)
Other consolidated entities	(978		)	(817		)	(934		)	(978		)
Net income attributable to COPT	6,826			13,355			21,355			6,826
Preferred share dividends	(3,552		)	(3,552		)	(3,180		)	(3,552		)
Net income attributable to COPT common shareholders	$	3,274		$	9,803		$	18,175		$	3,274
Net income attributable to COPT:
Income from continuing operations	$	6,826		$	13,581
Discontinued operations, net	—			(226		)
Net income attributable to COPT	$	6,826		$	13,355
Basic earnings per common share (1)
Income from continuing operations	$	0.03		$	0.10
Discontinued operations	0.00			0.00
Net income attributable to COPT common shareholders	$	0.03		$	0.10
Diluted earnings per common share (1)
Income from continuing operations	$	0.03		$	0.10
Discontinued operations	0.00			0.00
Net income attributable to COPT common shareholders	$	0.03		$	0.10
Earnings per common share:
Net income attributable to COPT common shareholders - basic							$	0.18		$	0.03
Net income attributable to COPT common shareholders - diluted							$	0.18		$	0.03
Dividends declared per common share	$	0.275		$	0.275		$	0.275		$	0.275

~~(1) Basic and diluted earnings per common share are calculated based on amounts attributable to common shareholders of Corporate Office Properties Trust.~~

See accompanying notes to consolidated financial statements.

Corporate Office Properties Trust and Subsidiaries

Consolidated Statements of Comprehensive Income

(in thousands)

(unaudited)

For the Three Months Ended March 31,
2016 2015
Net income $ 8,096
$ 14,735
Other comprehensive loss

Unrealized losses on interest rate derivatives (11,284 ) (3,474 )
Losses on interest rate derivatives included in interest expense 870
773
Other comprehensive loss (10,414 ) (2,701 )
Comprehensive (loss) income (2,318 ) 12,034
Comprehensive income attributable to noncontrolling interests (880 ) (1,329 )
Comprehensive (loss) income attributable to COPT $ (3,198 ) $ 10,705



	For the Three Months Ended March 31,
	2017			2016
Net income	$	23,088		$	8,096
Other comprehensive income (loss)
Unrealized gain (loss) on interest rate derivatives	224			(11,284		)
Loss on interest rate derivatives included in interest expense	1,184			870
Other comprehensive income (loss)	1,408			(10,414		)
Comprehensive income (loss)	24,496			(2,318		)
Comprehensive income attributable to noncontrolling interests	(1,780		)	(880		)
Comprehensive income (loss) attributable to COPT	$	22,716		$	(3,198	)

See accompanying notes to consolidated financial statements.

Corporate Office Properties Trust and Subsidiaries

Consolidated Statements of Equity

(Dollars in thousands)

(unaudited)


	Preferred Shares		Common Shares		Additional Paid-in Capital			Cumulative Distributions in Excess of Net Income			Accumulated Other Comprehensive Loss			Noncontrolling Interests			Total
Balance at December 31, 2014 (93,255,284 common shares outstanding)	$	199,083	$	933	$	1,969,968		$	(717,264	)	$	(1,297	)	$	69,461		$	1,520,884
Conversion of common units to common shares (158,000 shares)	—		2		2,120			—			—			(2,122		)	—
Common shares issued under at-the-market program (890,241 shares)	—		9		26,526			—			—			—			26,535
Exercise of share options (70,374 shares)	—		—		1,845			—			—			—			1,845
Share-based compensation (162,370 shares issued, net of redemptions)	—		1		1,828			—			—			—			1,829
Redemption of vested equity awards	—		—		(2,031		)	—			—			—			(2,031		)
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP	—		—		(475		)	—			—			475			—
Comprehensive income	—		—		—			13,355			(2,650		)	767			11,472
Dividends	—		—		—			(29,550		)	—			—			(29,550		)
Distributions to owners of common and preferred units in COPLP	—		—		—			—			—			(1,177		)	(1,177		)
Distributions to noncontrolling interests in other consolidated entities	—		—		—			—			—			(4		)	(4		)
Adjustment to arrive at fair value of redeemable noncontrolling interest	—		—		(73		)	—			—			—			(73		)
Balance at March 31, 2015 (94,536,269 common shares outstanding)	$	199,083	$	945	$	1,999,708		$	(733,459	)	$	(3,947	)	$	67,400		$	1,529,730
																				Preferred Shares		Common Shares		Additional Paid-in Capital			Cumulative Distributions in Excess of Net Income			Accumulated Other Comprehensive Loss			Noncontrolling Interests			Total
Balance at December 31, 2015 (94,531,512 common shares outstanding)	$	199,083	$	945	$	2,004,507		$	(657,172	)	$	(2,838	)	$	72,039		$	1,616,564		$	199,083	$	945	$	2,004,507		$	(657,172	)	$	(2,838	)	$	72,039		$	1,616,564
Costs associated with common shares issued to the public	—		—		(5		)	—			—			—			(5		)	—		—		(5		)	—			—			—			(5		)
Share-based compensation (129,869 shares issued, net of redemptions)	—		2		2,423			—			—			—			2,425			—		2		2,423			—			—			—			2,425
Redemption of vested equity awards	—		—		(1,154		)	—			—			—			(1,154		)	—		—		(1,154		)	—			—			—			(1,154		)
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP	—		—		54			—			—			(54		)	—			—		—		54			—			—			(54		)	—
Comprehensive loss	—		—		—			6,826			(10,024		)	320			(2,878		)	—		—		—			6,826			(10,024		)	320			(2,878		)
Dividends	—		—		—			(29,589		)	—			—			(29,589		)	—		—		—			(29,589		)	—			—			(29,589		)
Distributions to owners of common and preferred units in COPLP	—		—		—			—			—			(1,176		)	(1,176		)	—		—		—			—			—			(1,176		)	(1,176		)
Distributions to noncontrolling interests in other consolidated entities	—		—		—			—			—			(4		)	(4		)	—		—		—			—			—			(4		)	(4		)
Adjustment to arrive at fair value of redeemable noncontrolling interest	—		—		(302		)	—			—			—			(302		)
Balance at March 31, 2016 (94,661,381common shares outstanding)	$	199,083	$	947	$	2,005,523		$	(679,935	)	$	(12,862	)	$	71,125		$	1,583,881
Adjustment to arrive at fair value of redeemable noncontrolling interests																				—		—		(302		)	—			—			—			(302		)
Balance at March 31, 2016 (94,661,381 common shares outstanding)																				$	199,083	$	947	$	2,005,523		$	(679,935	)	$	(12,862	)	$	71,125		$	1,583,881

Balance at December 31, 2016 (98,498,651 common shares outstanding)																				$	172,500	$	985	$	2,116,581		$	(765,276	)	$	(1,731	)	$	71,605		$	1,594,664
Conversion of common units to common shares (185,000 shares)																				—		2		2,535			—			—			(2,537		)	—
Common shares issued under at-the-market program (546,782 shares)																				—		5		18,217			—			—			—			18,222
Share-based compensation (159,801 shares issued, net of redemptions)																				—		2		1,580			—			—			—			1,582
Redemption of vested equity awards																				—		—		(1,753		)	—			—			—			(1,753		)
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP																				—		—		(246		)	—			—			246			—
Comprehensive income																				—		—		—			21,355			1,361			1,213			23,929
Dividends																				—		—		—			(30,524		)	—			—			(30,524		)
Distributions to owners of common and preferred units in COPLP																				—		—		—			—			—			(1,101		)	(1,101		)
Distributions to noncontrolling interests in other consolidated entities																				—		—		—			—			—			(2,606		)	(2,606		)
Adjustment to arrive at fair value of redeemable noncontrolling interests																				—		—		(545		)	—			—			—			(545		)
Balance at March 31, 2017 (99,390,234 common shares outstanding)																				$	172,500	$	994	$	2,136,369		$	(774,445	)	$	(370	)	$	66,820		$	1,601,868

See accompanying notes to consolidated financial statements.

Corporate Office Properties Trust and Subsidiaries

Consolidated Statements of Cash Flows

(in thousands)

(unaudited)


	For the Three Months Ended March 31,						For the Three Months Ended March 31,
	2016			2015			2017			2016
Cash flows from operating activities
Revenues from real estate operations received	$	130,059		$	117,521		$	133,895		$	130,474
Construction contract and other service revenues received	7,747			19,968			23,527			7,747
Property operating expenses paid	(46,084		)	(42,768		)	(41,192		)	(46,084		)
Construction contract and other service expenses paid	(10,765		)	(27,853		)	(14,790		)	(10,765		)
General, administrative, leasing, business development and land carry costs paid	(12,175		)	(12,728		)	(14,275		)	(12,175		)
Interest expense paid	(21,386		)	(12,795		)	(19,549		)	(21,386		)
Lease incentives							(7,729		)	(415		)
Other	43			545			750			43
Net cash provided by operating activities	47,439			41,890			60,637			47,439
Cash flows from investing activities
Construction, development and redevelopment	(45,146		)	(62,057		)	(35,795		)	(45,146		)
Acquisitions of operating properties and related intangible assets	—			(56,622		)
Tenant improvements on operating properties	(6,388		)	(5,520		)	(6,916		)	(6,388		)
Other capital improvements on operating properties	(9,505		)	(3,720		)	(5,203		)	(9,505		)
Proceeds from dispositions of properties	5,452			17,424			52,596			5,452
Leasing costs paid	(1,593		)	(1,935		)	(2,042		)	(1,593		)
Other	1,121			(5,956		)	(717		)	1,121
Net cash used in investing activities	(56,059		)	(118,386		)
Net cash provided by (used in) investing activities							1,923			(56,059		)
Cash flows from financing activities
Proceeds from debt
Revolving Credit Facility	88,500			150,000			—			88,500
Repayments of debt
Revolving Credit Facility	(25,000		)	(69,000		)	—			(25,000		)
Scheduled principal amortization	(1,800		)	(1,649		)	(958		)	(1,800		)
Other debt repayments	(50		)	(50		)	(50		)	(50		)
Net proceeds from issuance of common shares	(5		)	28,404			18,237			(5		)
Redemption of preferred shares							(26,583		)	—
Common share dividends paid	(26,002		)	(25,646		)	(27,100		)	(26,002		)
Preferred share dividends paid	(3,552		)	(3,552		)	(3,581		)	(3,552		)
Distributions paid to noncontrolling interests in COPLP	(1,171		)	(1,217		)	(1,156		)	(1,171		)
Distributions paid to redeemable noncontrolling interests	(13,848		)	(122		)	(407		)	(13,848		)
Redemption of vested equity awards	(1,154		)	(2,031		)	(1,753		)	(1,154		)
Other	(5,119		)	(289		)	(2,602		)	(5,119		)
Net cash provided by financing activities	10,799			74,848
Net increase (decrease) in cash and cash equivalents	2,179			(1,648		)
Net cash (used in) provided by financing activities							(45,953		)	10,799
Net increase in cash and cash equivalents							16,607			2,179
Cash and cash equivalents
Beginning of period	60,310			6,077			209,863			60,310
End of period	$	62,489		$	4,429		$	226,470		$	62,489

See accompanying notes to consolidated financial statements.

Corporate Office Properties Trust and Subsidiaries

Consolidated Statements of Cash Flows (continued)

(in thousands)

(unaudited)


	For the Three Months Ended March 31,						For the Three Months Ended March 31,
	2016			2015			2017			2016
Reconciliation of net income to net cash provided by operating activities:
Net income	$	8,096		$	14,735		$	23,088		$	8,096
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and other amortization	35,129			32,091
Depreciation and amortization							33,570			35,129
Impairment losses	2,446			233			—			2,446
Losses on interest rate derivatives	1,551			—
(Gain) loss on interest rate derivatives							(454		)	1,551
Amortization of deferred financing costs and net debt discounts	1,495			1,254			1,348			1,495
Increase in deferred rent receivable	(1,456		)	(1,746		)	(191		)	(1,456		)
Gain on sales of real estate	—			(3,986		)	(4,238		)	—
Share-based compensation	2,108			1,552			1,488			2,108
Other	(802		)	(640		)	(1,341		)	(802		)
Operating changes in assets and liabilities:
Decrease (increase) in accounts receivable	409			(6,918		)
Decrease (increase) in restricted cash and marketable securities	15			(1,577		)
Decrease (increase) in prepaid expenses and other assets, net	5,941			(6,352		)
(Decrease) increase in accounts payable, accrued expenses and other liabilities	(3,802		)	12,704
(Decrease) increase in rents received in advance and security deposits	(3,691		)	540
Decrease in accounts receivable							5,007			409
Decrease in restricted cash and marketable securities							2,043			15
Decrease in prepaid expenses and other assets, net							13,991			5,941
Decrease in accounts payable, accrued expenses and other liabilities							(12,269		)	(3,802		)
Decrease in rents received in advance and security deposits							(1,405		)	(3,691		)
Net cash provided by operating activities	$	47,439		$	41,890		$	60,637		$	47,439
Supplemental schedule of non-cash investing and financing activities:
Decrease in accrued capital improvements, leasing and other investing activity costs	$	(9,420	)	$	(3,897	)	$	(6,661	)	$	(9,420	)
Increase in property and redeemable noncontrolling interests in connection with property contributed in a joint venture	$	22,600		$	—		$	—		$	22,600
Decrease in redeemable noncontrolling interests and increase in other liabilities in connection with distribution payable to redeemable noncontrolling interest	$	6,675		$	—		$	8		$	6,675
Other liabilities assumed on acquisition of operating properties	$	—		$	5,265
Decrease in fair value of derivatives applied to accumulated other comprehensive loss and noncontrolling interests	$	(10,414	)	$	(2,701	)
Increase (decrease) in fair value of derivatives applied to accumulated other comprehensive loss and noncontrolling interests							$	1,408		$	(10,414	)
Dividends/distribution payable	$	30,217		$	30,174		$	31,131		$	30,217
Decrease in noncontrolling interests and increase in shareholders’ equity in connection with the conversion of common units into common shares	$	—		$	2,122		$	2,537		$	—
Adjustments to noncontrolling interests resulting from changes in COPLP ownership	$	(54	)	$	475		$	246		$	(54	)
Increase in redeemable noncontrolling interest and decrease in equity to carry redeemable noncontrolling interest at fair value	$	302		$	73		$	545		$	302

See accompanying notes to consolidated financial statements.

Corporate Office Properties, L.P. and Subsidiaries

Consolidated Balance Sheets

(in thousands, except unit data)

(unaudited)


	March 31, 2016			December 31, 2015			March 31, 2017			December 31, 2016
Assets
Properties, net:
Operating properties, net	$	2,863,262		$	2,920,529		$	2,670,157		$	2,671,831
Projects in development or held for future development	416,169			429,219			422,857			401,531
Total properties, net	3,279,431			3,349,748			3,093,014			3,073,362
Assets held for sale, net	225,897			96,782			41,391			94,654
Cash and cash equivalents	62,489			60,310			226,470			209,863
Restricted cash and marketable securities	2,092			1,953			2,288			2,756
Accounts receivable (net of allowance for doubtful accounts of $1,789 and $1,525, respectively)	28,776			29,167
Deferred rent receivable (net of allowance of $881 and $1,962, respectively)	96,936			105,484
Investment in unconsolidated real estate joint venture							25,417			25,548
Accounts receivable (net of allowance for doubtful accounts of $446 and $603, respectively)							29,431			34,438
Deferred rent receivable (net of allowance of $125 and $373, respectively)							89,410			90,219
Intangible assets on real estate acquisitions, net	93,526			98,338			73,748			78,351
Deferred leasing costs (net of accumulated amortization of $66,237 and $66,364, respectively)	44,768			53,868
Deferred leasing costs (net of accumulated amortization of $68,280 and $65,988, respectively)							40,753			41,214
Investing receivables	48,998			47,875			53,570			52,279
Prepaid expenses and other assets, net	49,324			60,024			59,723			72,764
Total assets	$	3,932,237		$	3,903,549		$	3,735,215		$	3,775,448
Liabilities and equity
Liabilities:
Debt, net	$	2,140,212		$	2,077,752		$	1,903,657		$	1,904,001
Accounts payable and accrued expenses	78,597			91,755			83,107			108,682
Rents received in advance and security deposits	33,457			37,148			28,393			29,798
Distributions payable	30,217			30,178			31,131			31,335
Deferred revenue associated with operating leases	19,093			19,758			11,750			12,666
Interest rate derivatives	15,072			3,160
Redeemable preferred units of general partner, 531,667 units outstanding at December 31, 2016							—			26,583
Other liabilities	9,375			8,016			51,633			44,740
Total liabilities	2,326,023			2,267,767			2,109,671			2,157,805
Commitments and contingencies (Note 14)
Commitments and contingencies (Note 15)
Redeemable noncontrolling interests	22,333			19,218			23,676			22,979
Equity:
Corporate Office Properties, L.P.’s equity:
Preferred units
General partner, preferred units outstanding of 7,431,667 at March 31, 2016 and December 31, 2015	199,083			199,083
Limited partner, 352,000 preferred units outstanding at March 31, 2016 and December 31, 2015	8,800			8,800
Common units, 94,661,381 and 94,531,512 held by the general partner and 3,677,391 held by limited partners at March 31, 2016 and December 31, 2015, respectively	1,378,061			1,400,745
General partner, preferred units outstanding of 6,900,000 at March 31, 2017 and December 31, 2016							172,500			172,500
Limited partner, 352,000 preferred units outstanding at March 31, 2017 and December 31, 2016							8,800			8,800
Common units, 99,390,234 and 98,498,651 held by the general partner and 3,405,391 and 3,590,391 held by limited partners at March 31, 2017 and December 31, 2016, respectively							1,409,632			1,401,597
Accumulated other comprehensive loss	(13,399		)	(2,985		)	(446		)	(1,854		)
Total Corporate Office Properties, L.P.’s equity	1,572,545			1,605,643			1,590,486			1,581,043
Noncontrolling interests in subsidiaries	11,336			10,921			11,382			13,621
Total equity	1,583,881			1,616,564			1,601,868			1,594,664
Total liabilities, redeemable noncontrolling interest and equity	$	3,932,237		$	3,903,549		$	3,735,215		$	3,775,448

See accompanying notes to consolidated financial statements.

Corporate Office Properties, L.P. and Subsidiaries

Consolidated Statements of Operations

(in thousands, except per unit data)

(unaudited)


	For the Three Months Ended March 31,						For the Three Months Ended March 31,
	2016			2015			2017			2016
Revenues
Rental revenue	$	105,382		$	98,238		$	100,615		$	105,382
Tenant recoveries and other real estate operations revenue	27,705			24,472			26,152			27,705
Construction contract and other service revenues	11,220			38,324			13,034			11,220
Total revenues	144,307			161,034			139,801			144,307
Expenses
Property operating expenses	51,875			50,681			48,519			51,875
Depreciation and amortization associated with real estate operations	34,527			31,599			33,059			34,527
Construction contract and other service expenses	10,694			37,498			12,486			10,694
Impairment losses	2,446			—			—			2,446
General, administrative and leasing expenses	11,883			7,891			8,611			11,883
Business development expenses and land carry costs	2,418			2,790			1,693			2,418
Total operating expenses	113,843			130,459			104,368			113,843
Operating income	30,464			30,575			35,433			30,464
Interest expense	(23,559		)	(20,838		)	(18,994		)	(23,559		)
Interest and other income	1,156			1,283			1,726			1,156
Gain (loss) on early extinguishment of debt	17			(3		)
Income from continuing operations before equity in income of unconsolidated entities and income taxes	8,078			11,017
Gain on early extinguishment of debt							—			17
Income before equity in income of unconsolidated entities and income taxes							18,165			8,078
Equity in income of unconsolidated entities	10			25			725			10
Income tax benefit (expense)	8			(55		)
Income from continuing operations	8,096			10,987
Discontinued operations	—			(238		)
Income tax (expense) benefit							(40		)	8
Income before gain on sales of real estate	8,096			10,749			18,850			8,096
Gain on sales of real estate	—			3,986			4,238			—
Net income	8,096			14,735			23,088			8,096
Net income attributable to noncontrolling interests in consolidated entities	(979		)	(818		)	(934		)	(979		)
Net income attributable to COPLP	7,117			13,917			22,154			7,117
Preferred unit distributions	(3,717		)	(3,717		)	(3,345		)	(3,717		)
Net income attributable to COPLP common unitholders	$	3,400		$	10,200		$	18,809		$	3,400
Net income attributable to COPLP:
Income from continuing operations	$	7,117		$	14,152
Discontinued operations, net	—			(235		)
Net income attributable to COPLP	$	7,117		$	13,917
Basic earnings per common unit (1)
Income from continuing operations	$	0.03		$	0.10
Discontinued operations	0.00			0.00
Net income attributable to COPLP common unitholders	$	0.03		$	0.10
Diluted earnings per common unit (1)
Income from continuing operations	$	0.03		$	0.10
Discontinued operations	0.00			0.00
Net income attributable to COPLP common unitholders	$	0.03		$	0.10
Earnings per common unit:
Net income attributable to COPLP common unitholders - basic							$	0.18		$	0.03
Net income attributable to COPLP common unitholders - diluted							$	0.18		$	0.03
Distributions declared per common unit	$	0.275		$	0.275		$	0.275		$	0.275

~~(1) Basic and diluted earnings per common unit are calculated based on amounts attributable to common unitholders of Corporate Office Properties, L.P.~~

See accompanying notes to consolidated financial statements.

Corporate Office Properties, L.P. and Subsidiaries

Consolidated Statements of Comprehensive Income

(in thousands)

(unaudited)

For the Three Months Ended March 31,
2016 2015
Net income $ 8,096
$ 14,735
Other comprehensive loss
Unrealized losses on interest rate derivatives (11,284 ) (3,474 )
Losses on interest rate derivatives included in interest expense 870
773
Other comprehensive loss (10,414 ) (2,701 )
Comprehensive (loss) income (2,318 ) 12,034
Comprehensive income attributable to noncontrolling interests (979 ) (873 )
Comprehensive (loss) income attributable to COPLP $ (3,297 ) $ 11,161



	For the Three Months Ended March 31,
	2017			2016
Net income	$	23,088		$	8,096
Other comprehensive income (loss)
Unrealized gain (loss) on interest rate derivatives	224			(11,284		)
Loss on interest rate derivatives included in interest expense	1,184			870
Other comprehensive income (loss)	1,408			(10,414		)
Comprehensive income (loss)	24,496			(2,318		)
Comprehensive income attributable to noncontrolling interests	(934		)	(979		)
Comprehensive income (loss) attributable to COPLP	$	23,562		$	(3,297	)

See accompanying notes to consolidated financial statements.

Corporate Office Properties, L.P. and Subsidiaries

Consolidated Statements of Equity

(Dollars in thousands)

(unaudited)


	Limited Partner Preferred Units				General Partner Preferred Units				Common Units				Accumulated Other Comprehensive Income (Loss)				Noncontrolling Interests in Subsidiaries						Limited Partner Preferred Units						General Partner Preferred Units				Common Units				Accumulated Other Comprehensive Income (Loss)				Noncontrolling Interests in Subsidiaries
	Units	Amount			Units	Amount			Units	Amount						Total Equity																									Noncontrolling Interests in Subsidiaries
Balance at December 31, 2014	352,000	$	8,800		7,431,667	$	199,083		97,092,835	$	1,305,219		Accumulated Other Comprehensive Income (Loss)		$	(1,381	Noncontrolling Interests in Subsidiaries		)	$	9,163			$	1,520,884
Issuance of common units resulting from common shares issued under at-the-market program	—	—			—	—			890,241	26,535			—				—			26,535
Issuance of common units resulting from exercise of share options	—	—			—	—			70,374	1,845			—				—			1,845
Share-based compensation (units net of redemption)	—	—			—	—			162,370	1,829			—				—			1,829
Redemptions of vested equity awards	—	—			—	—			—	(2,031		)	—				—			(2,031		)
Comprehensive income	—	165			—	3,552			—	10,200			(2,756		)		311			11,472
Distributions to owners of common and preferred units	—	(165		)	—	(3,552		)	—	(27,010		)	—				—			(30,727		)
Distributions to noncontrolling interests in subsidiaries	—	—			—	—			—	—			—				(4		)	(4		)
Adjustment to arrive at fair value of redeemable noncontrolling interest	—	—			—	—			—	(73		)	—				—			(73		)
Balance at March 31, 2015	352,000	$	8,800		7,431,667	$	199,083		98,215,820	$	1,316,514		$	(4,137	)		$	9,470		$	1,529,730
																							Units			Amount			Units	Amount			Units	Amount			Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss)				Noncontrolling Interests in Subsidiaries			Total Equity
Balance at December 31, 2015	352,000	$	8,800		7,431,667	$	199,083		98,208,903	$	1,400,745		$	(2,985	)		$	10,921		$	1,616,564		352,000			$	8,800		7,431,667	$	199,083		98,208,903	$	1,400,745						$	Noncontrolling Interests in Subsidiaries		1,616,564
Costs associated with common shares issued to the public	—	—			—	—			—	(5		)	—				—			(5		)	—			—			—	—			—	(5		)	—				—			(5		)
Share-based compensation (units net of redemption)	—	—			—	—			129,869	2,425			—				—			2,425			—			—			—	—			129,869	2,425			—				—			2,425
Redemptions of vested equity awards	—	—			—	—			—	(1,154		)	—				—			(1,154		)	—			—			—	—			—	(1,154		)	—				—			(1,154		)
Comprehensive loss	—	165			—	3,552			—	3,400			(10,414		)		419			(2,878		)	—			165			—	3,552			—	3,400			(10,414		)		419			(2,878		)
Distributions to owners of common and preferred units	—	(165		)	—	(3,552		)	—	(27,048		)	—				—			(30,765		)	—			(165		)	—	(3,552		)	—	(27,048		)	—				—			(30,765		)
Distributions to noncontrolling interests in subsidiaries	—	—			—	—			—	—			—				(4		)	(4		)	—			—			—	—			—	—			—				(4		)	(4		)
Adjustment to arrive at fair value of redeemable noncontrolling interest	—	—			—	—			—	(302		)	—				—			(302		)	—			—			—	—			—	(302		)	—				—			(302		)
Balance at March 31, 2016	352,000	$	8,800		7,431,667	$	199,083		98,338,772	$	1,378,061		$	(13,399	)		$	11,336		$	1,583,881		352,000			$	8,800		7,431,667	$	199,083		98,338,772	$	1,378,061		$	Accumulated Other Comprehensive Income (Loss)	(13,399	)		$	11,336		$	1,583,881

Balance at December 31, 2016																							352,000			$	8,800		6,900,000	$	172,500		102,089,042	$	1,401,597		$	(1,854	)		$	13,621		$	1,594,664
Issuance of common units resulting from common shares issued under COPT at-the-market program																							—			—			—	—			546,782	18,222			—				—			18,222
Share-based compensation (units net of redemption)																							—			—			—	—			159,801	1,582			—				—			1,582
Redemptions of vested equity awards																							—			—			—	—			—	(1,753		)	—				—			(1,753		)
Comprehensive income																							—			165			—	3,180			—	18,809			1,408				367			23,929
Distributions to owners of common and preferred units																							—			(165		)	—	(3,180		)	—	(28,280		)	—				—			(31,625		)
Distributions to noncontrolling interests in subsidiaries																							—			—			—	—			—	—			—				(2,606		)	(2,606		)
Adjustment to arrive at fair value of redeemable noncontrolling interest																							—			—			—	—			—	(545		)	—				—			(545		)
Balance at March 31, 2017																							352,000			$	8,800		6,900,000	$	172,500		102,795,625	$	1,409,632		$	(446	)		$	11,382		$	1,601,868

See accompanying notes to consolidated financial statements.

Corporate Office Properties, L.P. and Subsidiaries

Consolidated Statements of Cash Flows

(in thousands)

(unaudited)


	For the Three Months Ended March 31,						For the Three Months Ended March 31,
	2016			2015			2017			2016
Cash flows from operating activities
Revenues from real estate operations received	$	130,059		$	117,521		$	133,895		$	130,474
Construction contract and other service revenues received	7,747			19,968			23,527			7,747
Property operating expenses paid	(46,084		)	(42,768		)	(41,192		)	(46,084		)
Construction contract and other service expenses paid	(10,765		)	(27,853		)	(14,790		)	(10,765		)
General, administrative, leasing, business development and land carry costs paid	(12,175		)	(12,728		)	(14,275		)	(12,175		)
Interest expense paid	(21,386		)	(12,795		)	(19,549		)	(21,386		)
Lease incentives							(7,729		)	(415		)
Other	43			545			750			43
Net cash provided by operating activities	47,439			41,890			60,637			47,439
Cash flows from investing activities
Construction, development and redevelopment	(45,146		)	(62,057		)	(35,795		)	(45,146		)
Acquisitions of operating properties and related intangible assets	—			(56,622		)
Tenant improvements on operating properties	(6,388		)	(5,520		)	(6,916		)	(6,388		)
Other capital improvements on operating properties	(9,505		)	(3,720		)	(5,203		)	(9,505		)
Proceeds from dispositions of properties	5,452			17,424			52,596			5,452
Leasing costs paid	(1,593		)	(1,935		)	(2,042		)	(1,593		)
Other	1,121			(5,956		)	(717		)	1,121
Net cash used in investing activities	(56,059		)	(118,386		)
Net cash provided by (used in) investing activities							1,923			(56,059		)
Cash flows from financing activities
Proceeds from debt
Revolving Credit Facility	88,500			150,000			—			88,500
Repayments of debt
Revolving Credit Facility	(25,000		)	(69,000		)	—			(25,000		)
Scheduled principal amortization	(1,800		)	(1,649		)	(958		)	(1,800		)
Other debt repayments	(50		)	(50		)	(50		)	(50		)
Net proceeds from issuance of common units	(5		)	28,404			18,237			(5		)
Redemption of preferred units							(26,583		)	—
Common unit distributions paid	(27,008		)	(26,698		)	(28,091		)	(27,008		)
Preferred unit distributions paid	(3,717		)	(3,717		)	(3,746		)	(3,717		)
Redemption of vested equity awards	(1,154		)	(2,031		)	(1,753		)	(1,154		)
Distributions paid to redeemable noncontrolling interests	(13,848		)	(122		)	(407		)	(13,848		)
Other	(5,119		)	(289		)	(2,602		)	(5,119		)
Net cash provided by financing activities	10,799			74,848
Net increase (decrease) in cash and cash equivalents	2,179			(1,648		)
Net cash (used in) provided by financing activities							(45,953		)	10,799
Net increase in cash and cash equivalents							16,607			2,179
Cash and cash equivalents
Beginning of period	60,310			6,077			209,863			60,310
End of period	$	62,489		$	4,429		$	226,470		$	62,489

See accompanying notes to consolidated financial statements.

Corporate Office Properties, L.P. and Subsidiaries

Consolidated Statements of Cash Flows (Continued)

(in thousands)

(unaudited)


	For the Three Months Ended March 31,						For the Three Months Ended March 31,
	2016			2015			2017			2016
Reconciliation of net income to net cash provided by operating activities:
Net income	$	8,096		$	14,735		$	23,088		$	8,096
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and other amortization	35,129			32,091
Depreciation and amortization							33,570			35,129
Impairment losses	2,446			233			—			2,446
Losses on interest rate derivatives	1,551			—
(Gain) loss on interest rate derivatives							(454		)	1,551
Amortization of deferred financing costs and net debt discounts	1,495			1,254			1,348			1,495
Increase in deferred rent receivable	(1,456		)	(1,746		)	(191		)	(1,456		)
Gain on sales of real estate	—			(3,986		)	(4,238		)	—
Share-based compensation	2,108			1,552			1,488			2,108
Other	(802		)	(640		)	(1,341		)	(802		)
Operating changes in assets and liabilities:
Decrease (increase) in accounts receivable	409			(6,918		)
Increase in restricted cash and marketable securities	(77		)	(1,523		)
Decrease (increase) in prepaid expenses and other assets, net	5,941			(6,352		)
(Decrease) increase in accounts payable, accrued expenses and other liabilities	(3,710		)	12,650
(Decrease) increase in rents received in advance and security deposits	(3,691		)	540
Decrease in accounts receivable							5,007			409
Decrease (increase) in restricted cash and marketable securities							757			(77		)
Decrease in prepaid expenses and other assets, net							13,991			5,941
Decrease in accounts payable, accrued expenses and other liabilities							(10,983		)	(3,710		)
Decrease in rents received in advance and security deposits							(1,405		)	(3,691		)
Net cash provided by operating activities	$	47,439		$	41,890		$	60,637		$	47,439
Supplemental schedule of non-cash investing and financing activities:
Decrease in accrued capital improvements, leasing and other investing activity costs	$	(9,420	)	$	(3,897	)	$	(6,661	)	$	(9,420	)
Increase in property and redeemable noncontrolling interests in connection with property contributed in a joint venture	$	22,600		$	—		$	—		$	22,600
Decrease in redeemable noncontrolling interests and increase in other liabilities in connection with distribution payable to redeemable noncontrolling interest	$	6,675		$	—		$	8		$	6,675
Other liabilities assumed on acquisition of operating properties	$	—		$	5,265
Decrease in fair value of derivatives applied to accumulated other comprehensive loss and noncontrolling interests	$	(10,414	)	$	(2,701	)
Increase (decrease) in fair value of derivatives applied to accumulated other comprehensive loss and noncontrolling interests							$	1,408		$	(10,414	)
Distributions payable	$	30,217		$	30,174		$	31,131		$	30,217
Increase in redeemable noncontrolling interest and decrease in equity to carry redeemable noncontrolling interest at fair value	$	302		$	73		$	545		$	302

See accompanying notes to consolidated financial statements.

Corporate Office Properties Trust and Subsidiaries and Corporate Office Properties, L.P. and Subsidiaries

Notes to Consolidated Financial Statements

(unaudited)

1. Organization

Corporate Office Properties Trust (“COPT”) and subsidiaries (collectively, the “Company”) is a fully-integrated and self-managed real estate investment trust (“REIT”). Corporate Office Properties, L.P. (“COPLP”) and subsidiaries (collectively, the “Operating Partnership”) is the entity through which COPT, the sole general partner of COPLP, conducts almost all of its operations and owns almost all of its assets. Unless otherwise expressly stated or the context otherwise requires, “we”, “us” and “our” as used herein refer to each of the Company and the Operating Partnership. We own, manage, lease, develop and selectively acquire office and data center properties. The majority of our portfolio is in locations that support the United States Government ~~agencies~~ and ~~their~~its contractors, most of whom are engaged in national security, defense and information technology (“IT”) related activities servicing what we believe are growing, durable priority missions (“Defense/IT Locations”). We also own a ~~complementary~~ portfolio of ~~traditional~~ office properties located in select urban/urban-like submarkets within our regional footprint with durable Class-A office fundamentals and characteristics, as well as other properties supporting general commercial office tenants (“Regional Office”). As of March 31, ~~2016~~2017, our properties included the following:

~~179~~164 operating office properties totaling ~~18.3~~17.1 million square feet, including ~~ten~~13 triple-net leased, single-tenant data center ~~properties;~~properties. We owned six of these properties through an unconsolidated real estate joint venture;

11nine office properties under ~~or contractually committed for,~~ construction or redevelopment that we estimate will total approximately 1.3 million square feet upon completion, including ~~one~~two partially operational ~~property included above~~properties and ~~a property~~two properties completed but held for future lease to the United States Government;

~~1,358~~987 acres of land we ~~control~~controlled for future development that we believe could be developed into approximately ~~16.5~~12.2 million square ~~feet;~~feet and an additional 194 acres of other land; and

a wholesale data center with a critical load of 19.25 megawatts.

COPLP owns real estate both directly and through subsidiary partnerships and limited liability companies (“LLCs”). In addition to owning real estate, COPLP also owns subsidiaries that provide real estate services such as property management and construction and development services primarily for our properties but also for third parties. Some of these services are performed by a taxable REIT subsidiary (“TRS”).

Equity interests in COPLP are in the form of common and preferred units. As of March 31, ~~2016~~2017, COPT owned ~~96.3%~~96.7% of the outstanding COPLP common units (“common units”) and ~~95.5%~~95.1% of the outstanding COPLP preferred units (“preferred units”); the remaining common and preferred units in COPLP were owned by third parties. Common units in COPLP not owned by COPT carry certain redemption rights. The number of common units in COPLP owned by COPT is equivalent to the number of outstanding common shares of beneficial interest (“common shares”) of COPT, and the entitlement of all COPLP common units to quarterly distributions and payments in liquidation is substantially the same as those of COPT common shareholders. Similarly, in the case of each series of preferred units in COPLP held by COPT, there is a series of preferred shares of beneficial interest (“preferred shares”) in COPT that is equivalent in number and carries substantially the same terms as such series of COPLP preferred units. COPT’s common shares are publicly traded on the New York Stock Exchange (“NYSE”) under the ticker symbol “OFC”.

Because COPLP is managed by COPT, and COPT conducts substantially all of its operations through COPLP, we refer to COPT’s executive officers as COPLP’s executive officers, and although, as a partnership, COPLP does not have a board of trustees, we refer to COPT’s Board of Trustees as COPLP’s Board of Trustees.

2. Summary of Significant Accounting Policies

Basis of Presentation

The COPT consolidated financial statements include the accounts of COPT, the Operating Partnership, their subsidiaries and other entities in which COPT has a majority voting interest and control. The COPLP consolidated financial statements include the accounts of COPLP, its subsidiaries and other entities in which COPLP has a majority voting interest and control. We also consolidate certain entities when control of such entities can be achieved through means other than voting rights (“variable interest entities” or “VIEs”) if we are deemed to be the primary beneficiary of such entities. We eliminate all intercompany balances and transactions in consolidation.

We use the equity method of accounting when we own an interest in an entity and can exert significant influence over but cannot control the entity’s operations. We discontinue equity method accounting if our investment in an entity (and net

advances) is reduced to zero unless we have guaranteed obligations of the entity or are otherwise committed to provide further financial support for the entity.

We use the cost method of accounting when we own an interest in an entity and cannot exert significant influence over its operations.

These interim financial statements should be read together with the consolidated financial statements and notes thereto as of and for the year ended December 31, ~~2015~~2016 included in our ~~2015~~2016 Annual Report on Form 10-K. The unaudited consolidated financial statements include all adjustments that are necessary, in the opinion of management, to fairly ~~present~~state our financial position and results of operations. All adjustments are of a normal recurring nature. The consolidated financial statements have been prepared using the accounting policies described in our ~~2015~~2016 Annual Report on Form 10-K.

Reclassification

We reclassified certain amounts from prior periods to conform to the current period presentation of our consolidated financial statements with no effect on previously reported net income or equity.

Recent Accounting Pronouncements

We adopted guidance issued by the Financial Accounting Standards Board (“FASB”) effective January 1, ~~2016 regarding~~2017 intended to simplify various aspects related to the accounting and presentation for employee share-based payment transactions, including the income tax consequences, classification of ~~extraordinary~~awards as either equity or liabilities and ~~unusual items in statements~~classification on the consolidated statement of ~~operations. This guidance eliminates~~cash flows. In connection with our adoption of this policy, we made an entity-wide accounting policy election to continue to account for potential future award forfeitures by estimating the ~~concept~~number of ~~extraordinary items. However, the presentation and disclosure requirements for items~~awards that are ~~either unusual in nature or infrequent in occurrence remain and will be expanded~~expected to ~~include items that are both unusual in nature and infrequent in occurrence.~~vest. Our adoption of this guidance did not ~~affect~~have a material impact on our ~~reported~~ consolidated financial statements.

We adopted guidance issued by the FASB prospectively effective January 1, ~~2016 modifying~~2017 that clarifies the ~~analysis that must be performed~~definition of a business used by usentities in determining whether wetransactions should ~~consolidate certain types~~be accounted for as acquisitions (or disposals) of ~~legal entities.~~assets or businesses. The definition of a business affects many areas of accounting including acquisitions, disposals, goodwill and consolidation. Under the new guidance ~~did not amend~~it is expected that the ~~existing disclosure requirements~~majority of our future operating property acquisitions will be accounted for ~~VIEs or voting interest model entities. The guidance, however, modified the requirements to qualify~~as asset acquisitions, whereas under the ~~voting interest model. Under~~previous guidance our recent acquisitions were accounted for as business combinations; we believe that the ~~revised~~primary effect of this change will be that transaction costs associated with future acquisitions will be capitalized rather than expensed as incurred. This guidance ~~COPLP is considered a variable interest entity of COPT. As COPLP was already consolidated in the balance sheets of COPT, the identification of COPLP as a variable interest entity~~ had no ~~impact~~effect on ~~the~~our consolidated financial ~~statements. There were no other legal entities qualifying under the scope of the revised guidance that were consolidated as a result of the~~statements upon adoption. ~~In addition, there were no voting interest entities under prior existing guidance determined to be variable interest entities under the revised guidance.~~

We adopted effective January 1, 2016 guidance that eliminates the requirement to restate prior period financial statements for measurement period adjustments following a business combination. The guidance requires that the cumulative impact of a measurement period adjustment (including the impact on prior periods) be recognized in the reporting period in which the adjustment is identified. The prior period impact of the adjustment should be either presented separately on the face of the statement of operations or disclosed in the notes. Our adoption of this guidance did not affect our reported consolidated financial statements.

In May 2014, the FASB issued guidance regarding the recognition of revenue from contracts with customers. Under this guidance, an entity will recognize revenue to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ~~Additionally, this~~This guidance also requires improved disclosures regarding the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. Also in connection with this guidance, in February 2017, the FASB issued additional guidance that clarifies the scope of asset derecognition guidance and accounting for partial sales of nonfinancial assets. While we are still completing our assessment of the impact of the guidance, below is a summary of the anticipated primary effects on our accounting and reporting.

Construction contract revenue: We reviewed our historical construction management arrangements and related contracts. Based on this review, we believe that we will account for these arrangements using the percentage of completion method, which is the method we have used in most cases historically. We do not currently believe that the resulting effect of the change will be material.

Sales of real estate: The new guidance requires recognition of a sale of real estate and resulting gain or loss when control transfers and the buyer has the ability to direct use of, or obtain substantially all of the remaining benefit from, the asset (which generally will occur on the closing date); the factor of continuing involvement is no longer a specific consideration for the timing of recognition. The new guidance eliminates the need to consider adequacy of buyer investment, which was replaced by additional judgments regarding collectability and intent and/or ability to pay. The new guidance also requires an entity to derecognize nonfinancial assets and in substance non financial assets once it transfers control of such assets. When an entity transfers its controlling interest in a nonfinancial asset, but retains a noncontrolling ownership interest, the entity is required to measure any non-controlling interest it receives or retains at fair value and recognize a full gain or loss on the transaction; as a result, sales and partial sales of real estate assets will now be subject to the same derecognition

model as all other nonfinancial assets. Since all but one of our sale transactions previously met the criteria for immediate gain recognition under existing guidance, we do not believe that the recognition pattern for these transactions will be changed by the new guidance. Our one sale transaction that did not meet the criteria for immediate full recognition under the previous standard was our contribution of data center properties into a newly-formed joint venture in July 2016, as discussed further in our 2016 Annual Report on Form 10-K. We believe that this transaction, which was accounted for as a partial sale under existing guidance, would meet the criteria for immediate full gain recognition under the new guidance; this would result in an additional $18 million in income being recognizable in 2016 under the new guidance that is currently being amortized into income in subsequent periods under existing guidance.

Real estate revenue associated with executory costs and other non-lease components: Once the new guidance setting forth principles for the recognition, measurement, presentation and disclosure of leases (discussed below) goes into effect, we believe that the new revenue standard may apply to executory costs and other components of revenue due under leases that are deemed to be non-lease components (such as common area maintenance and provision of utilities), even when the revenue for such activities is not separately stipulated in the lease. In that case, then revenue from these items previously recognized on a straight-line basis under current lease guidance would be recognized under the new revenue guidance as the related services are delivered. As a result, while the total revenue recognized over time would not differ under the new guidance, the recognition pattern would be different. We are in the process of evaluating the significance of the difference in the recognition pattern that would result from this change.

We are required to adopt this guidance for our annual and interim periods beginning January 1, 2018 using one of two methods: retrospective restatement for each reporting period presented at the time of adoption, or retrospectively with the cumulative effect of initially applying this guidance recognized at the date of initial application. We ~~are currently assessing the financial impact~~have not decided which method of ~~this guidance on our consolidated financial statements.~~adoption we will use.

In February 2016, the FASB issued guidance that sets forth principles for the recognition, measurement, presentation and disclosure of leases. This guidance requires lessees to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or not the lease is effectively a financed purchase of the leased asset by the lessee. The resulting classification determines whether the lease expense is recognized based on an effective interest method or straight-line basis over the term of the lease. A lessee is also required to record a right-of-use asset and a lease liability for all leases with a term of greater than 12 months regardless of their classification. Leases with a term of 12 months or less will be accounted for similar to existing guidance for operating leases. The guidance requires lessors of real estate to account for leases using an approach that is substantially equivalent to existing guidance for sales-type leases, direct financing leases and operating leases. While we are still completing our assessment of the impact of this guidance, below is a summary of the anticipated primary effects of this guidance on our accounting and reporting.

Real estate leases in which we are the lessor:


◦	Balance sheet reporting: We believe that we will apply an approach under the new guidance that is similar to the current accounting for operating leases, in which we will continue to recognize the underlying leased asset as property on our balance sheet.

◦

Deferral of compensation-related lease costs: Under the new lease guidance, lessors may only capitalize their incremental direct costs of leasing. As a result, we believe that we will no longer be able to defer the recognition of compensation-related costs in connection with new or extended tenant leases (refer to amounts reported in our 2016 Annual Report on Form 10-K for amounts deferred in 2014, 2015 and 2016).

◦

Lease revenue reporting: As discussed in further detail above in connection with the new revenue guidance, we believe that the new revenue standard may apply to executory costs and other components of revenue deemed to be non-lease components (such as common area maintenance and provision of utilities), even when the revenue for such activities is not separately stipulated in the lease. In that case, we would need to separate the lease components of revenue due under leases from the non-lease components. Under the new guidance, we would continue to recognize the lease components of lease revenue on a straight-line basis over our respective lease terms as we do under prior guidance. However, we would recognize the non-lease components under the new revenue guidance as the related services are delivered. As discussed above, we are in the process of evaluating the significance of the difference in the recognition pattern that would result from this change.

Leases in which we are the lessee:

◦

Our most significant leases as lessee are ground leases we have for certain properties; as of March 31, 2017, our future minimum rental payments under these leases totaled $90.7 million, with various expiration dates extending to the year 2100. While we are still in the process of evaluating these leases under the new guidance, we believe that we will be required to recognize a right-of-use asset and a lease liability for the present value of these minimum lease payments. We believe that these leases most likely will be classified as finance leases under the new guidance; as a result, the interest component of each lease payment would be recorded as interest expense and the right-of-use asset would be amortized into expense using the straight-line method over the life of the lease.

This guidance is effective for reporting periods beginning ~~after December 15, 2018,~~January 1, 2019, with modified retrospective restatement for each reporting period presented at the time of adoption. Early adoption is also permitted for this guidance.

In June 2016, the FASB issued guidance that changes how entities measure credit losses for most financial assets and certain other instruments that are not measured at fair value through net income. The guidance replaces the current incurred loss model with an expected loss approach, resulting in a more timely recognition of such losses. The guidance will apply to most financial assets measured at amortized cost and certain other instruments, including trade and other receivables, loans, held-to-maturity debt securities, net investments in leases, and off-balance-sheet credit exposures (e.g. loan commitments). Under the new guidance, an entity will recognize its estimate of expected credit losses as an allowance, as the guidance requires that financial assets be measured on an amortized cost basis and to be presented at the net amount expected to be collected. The guidance is effective for us beginning January 1, 2020, with early adoption ~~permitted.~~permitted after December 2018. We are currently assessing the financial impact of this guidance on our consolidated financial statements.

In ~~March~~August 2016, the FASB issued guidance ~~intended to simplify~~that clarifies how entities should classify certain ~~aspects of the accounting for employee based share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities~~cash receipts and ~~classification~~cash payments on the ~~consolidated~~ statement of cash ~~flows. This~~flows with the objective of reducing the existing diversity in practice related to eight specific cash flow issues. The areas addressed in the new guidance relate to debt prepayment costs, settlement of zero-coupon debt instruments, contingent consideration payments made after a business combination, proceeds from the settlement of insurance claims, proceeds from the settlement of corporate-owned and bank-owned life insurance policies, distributions received from equity method investments, beneficial interest in securitization transactions and separately identifiable cash flows and application of the predominance principle. The guidance is effective for ~~annual periods~~us beginning ~~after~~

~~December 15, 2016, and interim periods within those annual periods,~~January 1, 2018, with early adoption permitted. We ~~are currently assessing~~do not expect the ~~financial impact~~adoption of this guidance to have a material impact on our consolidated financial statements.

In November 2016, the FASB issued guidance that requires the statement of cash flows to explain the change during the period in the total of cash, cash equivalents and amounts described as restricted cash or restricted cash equivalents. Under the new guidance, amounts described as restricted cash and restricted cash equivalents will be included with cash and cash equivalents when reconciling the beginning of period and end of period total amounts shown on the statement of cash flows. The guidance is effective for us beginning January 1, 2018, with early adoption permitted. We do not expect the adoption of this guidance to have a material impact on our consolidated financial statements.

3. Fair Value Measurements

Recurring Fair Value Measurements

COPT has a non-qualified elective deferred compensation plan for Trustees and certain members of our management team that permits participants to defer up to 100% of their compensation on a pre-tax basis and receive a tax-deferred return on such deferrals. The assets held in the plan (comprised primarily of mutual funds and equity securities) and the corresponding liability to the participants are measured at fair value on a recurring basis on COPT’s consolidated balance sheet using quoted market prices, as are other marketable securities that we hold. The balance of the plan, which was fully funded, totaled ~~$5.7~~$4.2 million as of March 31, ~~2016,~~2017, and is included in the accompanying COPT consolidated balance sheets in the line entitled restricted cash and marketable securities. The offsetting liability associated with the plan is adjusted to fair value at the end of each accounting period based on the fair value of the plan assets and reported in other liabilities on COPT’s consolidated balance sheets. The assets of the plan and other marketable securities that we hold are classified in Level 1 of the fair value hierarchy. The liability associated with the plan is classified in Level 2 of the fair value hierarchy.

The fair values of our interest rate derivatives are determined using widely accepted valuation techniques, including a discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate market data and implied volatilities in such interest rates. While we determined that the majority of the inputs used to value our derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with our interest rate derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default. However, as of March 31, ~~2016,~~2017, we assessed the significance of the impact of the credit valuation adjustments on the overall valuation of our derivatives and determined that these adjustments are not significant. As a result, we determined that our interest rate derivative valuations in their entirety are classified in Level 2 of the fair value hierarchy.

As discussed further in Note 5, our partners in two real estate joint ventures, LW Redstone Company, LLC and Stevens Investors, LLC, have the right to require us to acquire their respective interests at fair value; accordingly, we classify the fair value of our partners’ interests as redeemable noncontrolling interests in the mezzanine section of our consolidated balance sheet. We determine the fair value of the interests based on unobservable inputs after considering the assumptions that market participants would make in pricing the interest. We apply a discount rate to the estimated future cash flows allocable to our partners from the properties underlying the respective joint ventures. Estimated cash flows used in such analyses are based on our plans for the properties and our views of market and economic conditions, and consider items such as current and future rental rates, occupancies for the properties and comparable properties and estimated operating and capital expenditures.

The carrying values of cash and cash equivalents, restricted cash, accounts receivable, other assets (excluding investing receivables) and accounts payable and accrued expenses are reasonable estimates of their fair values because of the short maturities of these instruments. As discussed in Note 6, we estimated the fair values of our investing receivables based on the discounted estimated future cash flows of the loans (categorized within Level 3 of the fair value hierarchy); the discount rates

used approximate current market rates for loans with similar maturities and credit quality, and the estimated cash payments include scheduled principal and interest payments. For our disclosure of debt fair values in Note 8, we estimated the fair value of our unsecured senior notes based on quoted market rates for publicly-traded debt (categorized within Level 2 of the fair value hierarchy) and estimated the fair value of our other debt based on the discounted estimated future cash payments to be made on such debt (categorized within Level 3 of the fair value hierarchy); the discount rates used approximate current market rates for loans, or groups of loans, with similar maturities and credit quality, and the estimated future payments include scheduled principal and interest payments. Fair value estimates are made as of a specific point in time, are subjective in nature and involve uncertainties and matters of significant judgment. Settlement at such fair value amounts may not be possible and may not be a prudent management decision.

For additional fair value information, please refer to Note 6 for investing receivables, Note 8 for debt and Note 9 for interest rate derivatives.

COPT and Subsidiaries

The table below sets forth financial assets and liabilities of COPT and its subsidiaries that are accounted for at fair value on a recurring basis as of March 31, ~~2016~~2017 and the hierarchy level of inputs used in measuring their respective fair values under applicable accounting standards (in thousands):


Description	Quoted Prices in Active Markets for Identical Assets(Level 1)		Significant Other Observable Inputs(Level 2)		Significant Unobservable Inputs(Level 3)		Total		Quoted Prices in Active Markets for Identical Assets(Level 1)		Significant Other Observable Inputs(Level 2)		Significant Unobservable Inputs(Level 3)		Total
Assets:
Marketable securities in deferred compensation plan (1)
Mutual funds	$	5,580	$	—	$	—	$	5,580	$	4,075	$	—	$	—	$	4,075
Other	91		—		—		91		76		—		—		76
Interest rate derivatives (2)									—		1,183		—		1,183
Total assets	$	5,671	$	—	$	—	$	5,671	$	4,151	$	1,183	$	—	$	5,334
Liabilities:
Deferred compensation plan liability (2)	$	—	$	5,671	$	—	$	5,671
Interest rate derivatives	—		15,072		—		15,072
Deferred compensation plan liability (3)									$	—	$	4,151	$	—	$	4,151
Interest rate derivatives (3)									—		735		—		735
Total liabilities	$	—	$	20,743	$	—	$	20,743	$	—	$	4,886	$	—	$	4,886

(1) Included in the line entitled “restricted cash and marketable securities” on COPT’s consolidated balance sheet.

(2) Included in the line entitled “prepaid expenses and other assets” on COPT’s consolidated balance sheet.

(3) Included in the line entitled “other liabilities” on COPT’s consolidated balance sheet.

COPLP and Subsidiaries

The table below sets forth financial assets and liabilities of COPLP and its subsidiaries that are accounted for at fair value on a recurring basis as of March 31, ~~2016~~2017 and the hierarchy level of inputs used in measuring their respective fair values under applicable accounting standards (in thousands):


Description	Quoted Prices in Active Markets for Identical Assets(Level 1)		Significant Other Observable Inputs(Level 2)		Significant Unobservable Inputs(Level 3)		Total		Quoted Prices in Active Markets for Identical Assets(Level 1)		Significant Other Observable Inputs(Level 2)		Significant Unobservable Inputs(Level 3)		Total
Assets:
Interest rate derivatives(1)									$	—	$	1,183	$	—	$	1,183
Liabilities:
Interest rate derivatives(1)	$	—	$	15,072	$	—	$	15,072
Interest rate derivatives (2)									$	—	$	735	$	—	$	735

(1) Included in the line entitled “prepaid expenses and other assets” on COPLP’s consolidated balance sheet.

(2) Included in the line entitled “other liabilities” on COPLP’s consolidated balance sheet.

Nonrecurring Fair Value Measurements

~~During~~As part of our closing process for the ~~three months ended March 31, 2016,~~first quarter of 2017, we ~~recognized the following~~conducted our quarterly review of our portfolio for indicators of impairment and found there to be no impairment losses ~~resulting from nonrecurring fair value measurements:~~for the quarter.

~~$1.6 million on land~~

Changes in ~~Colorado Springs, Colorado,~~ the ~~carrying amount~~expected future cash flows due to changes in our plans for specific properties (especially our expected holding period) could result in the recognition of ~~which exceeded the estimated fair value less costs to sell. Most of these losses pertained to land we decided to sell during the quarter that was reclassified as~~impairment losses. In addition, because properties held for sale ~~and~~are carried at the ~~remainder was attributable to further decreases in fair~~lower of carrying value ~~of properties previously classified as held for sale based on recent bids from and negotiations with prospective buyers; and~~

~~$847,000 on operating properties in White Marsh, Maryland (included in our Regional Office segment) classified as held for sale whose carrying amounts exceeded their~~or estimated fair values less costs to sell, ~~based on recent negotiations with prospective buyers.~~declines in their estimated fair values due to market conditions and other factors could result in the recognition of impairment losses.

The table below sets forth the fair value hierarchy of the valuation technique we used to determine nonrecurring fair value measurements of ~~these assets~~properties held for sale as of March 31, ~~2016~~2017 (dollars in thousands):

Fair Values as of March 31, 2016

Fair Values as of March 31, 2017

Quoted Prices in

Significant

Quoted Prices in

Significant

Active Markets for

Significant Other

Unobservable

Active Markets for

Significant Other

Unobservable

Identical Assets

Observable Inputs

Inputs

Identical Assets

Observable Inputs

Inputs

Description

(Level 1)

(Level 2)

(Level 3)

Total

(Level 1)

(Level 2)

(Level 3)

Total

Assets:

Assets held for sale, net ~~(1)~~

—

14,886

—

40,086


~~(1)~~	~~Represents estimated fair values less costs to sell. Fair values were derived from bids for the properties that were deemed to be indicative of value.~~

The table below sets forth quantitative information about significant unobservable inputs used for the Level 3 fair value measurements reported above as of March 31, 2017 (dollars in thousands):



Valuation Technique	Fair Values on Measurement Date		Unobservable Input	Range (Weighted Average)
Discounted cash flow	$	37,604	Discount rate	9.3% - 11.3% (10.1%)
			Terminal capitalization rate	8.3% - 11.4% (8.6%)
Yield analyses	$	2,482	Investor yield requirement	9.0% (1)

(1) Only one fair value applied for this unobservable input.

4. Properties, Net

Operating properties, net consisted of the following (in thousands):


	March 31, 2016			December 31, 2015			March 31, 2017			December 31, 2016
Land	$	464,674		$	463,305		$	430,364		$	433,311
Buildings and improvements	3,111,871			3,157,587			2,972,164			2,944,905
Less: Accumulated depreciation	(713,283		)	(700,363		)	(732,371		)	(706,385		)
Operating properties, net	$	2,863,262		$	2,920,529		$	2,670,157		$	2,671,831

Projects in development or held for future development consisted of the following (in thousands):


	March 31, 2016		December 31, 2015		March 31, 2017		December 31, 2016
Land	$	220,834	$	207,774	$	195,727	$	195,521
Development in progress, excluding land	195,335		221,445		227,130		206,010
Projects in development or held for future development	$	416,169	$	429,219	$	422,857	$	401,531

Our properties held for sale included:

as of March 31, ~~2016: 13~~2017: six operating properties in White Marsh, Maryland (included in our Regional Office segment); ~~four~~one operating property in our Fort Meade/BW Corridor sub-segment; and land in White Marsh; and

as of December 31, 2016: eight operating properties in ~~Greater Philadelphia~~White Marsh (included primarily in our Regional Office segment); ~~two~~one operating ~~properties in Hanover, Maryland (included~~property in our ~~Fort Meade/BW Corridor sub-segment); two operating properties in San Antonio (included in our Other segment);~~Northern Virginia Defense/IT sub-segment; and land in ~~Northern Virginia, Colorado Springs and Greater Philadelphia; and~~

~~as of December 31, 2015: 13 operating properties in~~ White Marsh ~~Maryland (included in our Regional Office segment); two operating properties in San Antonio (included in our Other segment);~~ and ~~land in~~ Northern ~~Virginia and Colorado Springs.~~Virginia.

The table below sets forth the components of assets held for sale on our consolidated balance sheet for these properties (in thousands):


	March 31, 2016		December 31, 2015		March 31, 2017		December 31, 2016
Properties, net	$	199,481	$	90,188	$	38,018	$	85,402
Deferred rent receivable	12,542		2,891		1,546		4,241
Intangible assets on real estate acquisitions, net	1,591		1,591		338		338
Deferred leasing costs, net	9,228		1,391		1,109		3,636
Lease incentives, net	3,055		721		380		1,037
Assets held for sale, net	$	225,897	$	96,782	$	41,391	$	94,654

~~Acquisitions~~2017 Dispositions

On February 15, 2017, we completed the disposition of 3120 Fairview Park Drive, an operating property totaling 190,000 square feet in Falls Church, Virginia (in our Northern Virginia Defense/IT sub-segment), for $39.0 million, with no gain recognized.

We ~~acquired the following operating properties~~also sold land in ~~2015:~~

~~250 W. Pratt Street, a 367,000 square foot office property in Baltimore, Maryland that was 96.2% leased, for $61.8 million on March 19, 2015;~~

~~2600 Park Tower Drive, a 237,000 square foot office property in Vienna, Virginia (in the Northern Virginia region) that was 100% leased, for $80.5 million on April 15, 2015; and~~

100 Light Street, a 558,000 square foot office property in Baltimore, Maryland that was 93.5% leased, and its structured parking garage, 30 Light Street, for $121.2 million on August 7, 2015. In connection with that acquisition, we assumed a $55.0 million mortgage loan with a fair value at assumption of $55.5 million.

~~These properties contributed revenues of $9.2 million for~~ the three months ended March 31, ~~2016~~2017 for $14.3 million and ~~$332,000 for the three months ended March 31, 2015, and net income from continuing operations~~recognized a gain on sale of ~~$942,000 for the three months ended March 31, 2016 and $170,000 for the three months ended March 31, 2015.~~$4.2 million.

We accounted for these acquisitions as business combinations. We included the results of operations for the acquisitions in our consolidated statements of operations from their respective purchase dates through March 31, 2016. The following table presents pro forma information for COPT and subsidiaries as if these acquisitions had occurred on January 1, 2014. This pro forma information also includes adjustments to reclassify operating property acquisition costs to the three months ended March 31, 2014 from the 2015 periods in which they were actually incurred. The pro forma financial information was prepared for comparative purposes only and is not necessarily indicative of what would have occurred had these acquisitions been made at that time or of results which may occur in the future (in thousands, except per share amounts).

For the Three Months Ended March 31, 2015

(Unaudited)
Pro forma total revenues $ 169,925
Pro forma net income attributable to COPT common shareholders $ 10,847
Pro forma EPS:
Basic $ 0.11
Diluted $ 0.11

~~2016 Dispositions~~

~~We sold land in the~~ ~~three months ended~~ ~~March 31, 2016 for $5.7 million, with no gain recognized.~~

~~2016~~2017 Construction Activities

During the three months ended March 31, ~~2016~~2017, we placed into service ~~149,000~~86,000 square feet in ~~one newly constructed office property and 51,000 square feet in~~three redeveloped properties (including a ~~redeveloped property.~~partially operational property). As of March 31, ~~2016,~~2017, we had eight office properties under construction, or for which we were contractually committed to construct, that we estimate will total ~~1.2~~1.3 million square feet upon completion (including ~~a property~~two properties completed but held for future lease to the United States Government) and ~~three~~one office ~~properties~~property under redevelopment that we estimate will total ~~104,000~~14,000 square feet upon completion.

5. Real Estate Joint Ventures

Consolidated Joint Ventures

The table below sets forth information pertaining to our investments in consolidated real estate joint ventures as of March 31, ~~2016~~2017 (dollars in thousands):


		Nominal									Nominal
		Ownership		March 31, 2016				(1)			Ownership		March 31, 2017 (1)
	Date	% as of		Total		Encumbered		Total		Date	% as of		Total		Encumbered		Total
	Acquired	3/31/2016	Nature of Activity	Assets		Assets		Liabilities		Acquired	3/31/2017	Nature of Activity	Assets		Assets		Liabilities
LW Redstone Company, LLC	3/23/2010	85%	Development and operation of real estate (2)	$	149,301	$	82,018	$	53,356	3/23/2010	85%	Development and operation of real estate (2)	$	157,293	$	78,251	$	50,804
M Square Associates, LLC	6/26/2007	50%	Development and operation of real estate (3)	56,333		47,820		37,462		6/26/2007	50%	Development and operation of real estate (3)	65,158		46,124		45,712
Stevens Investors, LLC	8/11/2015	95%	Development of real estate (4)	37,724		—		6,937		8/11/2015	95%	Development of real estate (4)	42,176		—		7,252
				$	243,358	$	129,838	$	97,755				$	264,627	$	124,375	$	103,768

(1) Excludes amounts eliminated in consolidation.

(2) This joint venture’s properties are in Huntsville, Alabama.

(3) This joint venture’s properties are in College Park, Maryland.

(4) This joint venture’s property is in Washington, DC.

~~In January 2016, our~~ Our partner in ~~Stevens Investors, LLC contributed to the~~this joint venture for a value of $22.6 million, interests in contracts controlling land to be developed (including a purchase agreement and a ground lease). Our partner subsequently received a cash distribution from the joint venture of $13.4 million, which was funded by us. Our partner is ~~also~~ entitled to receive an additional distribution from the joint venture of $6.7 million to be funded by us (expected ~~later in 2016 or 2017)~~by 2018) that was reported in other liabilities on our consolidated balance sheet as of March 31, ~~2016.~~2017.

Unconsolidated Joint Venture

As of March 31, 2017, we owned a 50% interest in GI-COPT DC Partnership LLC (“GI-COPT”), a joint venture owning six triple-net leased, single-tenant data center properties in Virginia, that we account for using the equity method of accounting. As of March 31, 2017, we had an investment balance in GI-COPT of $25.4 million. Our balance was $17.8 million lower than our share of the joint venture’s equity due to a difference between our cost basis and our share of the underlying equity in the net assets upon formation of the joint venture; we are amortizing this basis difference into equity in income from unconsolidated entities over the lives of the underlying assets.

6. Investing Receivables

Investing receivables, including accrued interest thereon, consisted of the following (in thousands):


	March 31, 2016		December 31, 2015		March 31, 2017		December 31, 2016
Notes receivable from the City of Huntsville	$	45,998	$	44,875	$	50,570	$	49,258
Other investing loans receivable	3,000		3,000		3,000		3,021
	$	48,998	$	47,875	$	53,570	$	52,279

Our notes receivable from the City of Huntsville funded infrastructure costs in connection with our LW Redstone Company, LLC joint venture (see Note 5) and carry an interest rate of 9.95%.

We did not have an allowance for credit losses in connection with our investing receivables as of March 31, ~~2016~~2017 or December 31, ~~2015~~2016. The fair value of these receivables approximated their carrying amounts as of March 31, ~~2016~~2017 and December 31, ~~2015.~~2016.

7. Prepaid Expenses and Other Assets, Net

Prepaid expenses and other assets, net consisted of the following (in thousands):


	March 31, 2016		December 31, 2015		March 31, 2017		December 31, 2016
Lease incentives, net					$	17,516	$	18,276
Prepaid expenses	$	15,516	$	23,009	17,332		24,432
Lease incentives, net	8,375		11,133
Furniture, fixtures and equipment, net	5,669		6,004		4,989		5,204
Construction contract costs incurred in excess of billings	5,232		3,261		4,451		10,350
Deferred financing costs, net (1)	5,182		5,867
Deferred tax asset, net (2)	3,474		3,467
Equity method investments	1,646		1,636
Deferred tax asset, net (1)					2,980		3,036
Deferred financing costs, net (2)					2,444		3,128
Non-real estate equity method investments					2,353		2,355
Other assets	4,230		5,647		7,658		5,983
Prepaid expenses and other assets, net	$	49,324	$	60,024	$	59,723	$	72,764

(1) Includes a valuation allowance of $2.1 million.

(2) Represents deferred costs, net of accumulated amortization, attributable to our Revolving Credit Facility and interest rate derivatives.

~~(2) Includes a valuation allowance of $2.1 million.~~

8. Debt, Net

Our debt consisted of the following (dollars in thousands):


								Carrying Value (1) as of
	Carrying Value (1) as of						Scheduled Maturity	March 31, 2017			December 31, 2016		Stated Interest Rates as of	Scheduled Maturity as of
	March 31, 2016			December 31, 2015		Stated Interest Rates as of	as of			March 31, 2017	December 31, 2016		March 31, 2017
			March 31, 2016	December 31, 2015		March 31, 2016
Mortgage and Other Secured Loans:	March 31, 2016							March 31, 2017
Fixed rate mortgage loans (2)	$	279,782		$	281,208	3.96% - 7.87% (3)	2016-2024
Variable rate secured loans	49,488			49,792		LIBOR + 1.85% - 2.00% (4)	2016-2020
Total mortgage and other secured loans	329,270			331,000
Mortgage and Other Secured Debt:
Fixed rate mortgage debt (2)								$	153,294		$	154,143	3.82% - 7.87% (3)	2019-2026
Variable rate secured debt								13,365			13,448		LIBOR + 1.85% (4)	October 2020
Total mortgage and other secured debt								166,659			167,591
Revolving Credit Facility	107,000			43,500		LIBOR + 0.875% to 1.60% (5)	May 2019	—			—		LIBOR + 0.875% to 1.60%	May 2019
Term Loan Facilities (6)	516,205			515,902		LIBOR + 0.90% to 2.60% (7)	2019-2022
Term Loan Facilities (5)								547,682			547,494		LIBOR + 0.90% to 2.40% (6)	2020-2022
Unsecured Senior Notes
3.600%, $350,000 aggregate principal	346,817			346,714		3.60% (8)	May 2023	347,233			347,128		3.60% (7)	May 2023
5.250%, $250,000 aggregate principal	245,840			245,731		5.25% (9)	February 2024	246,291			246,176		5.25% (8)	February 2024
3.700%, $300,000 aggregate principal	297,493			297,378		3.70% (10)	June 2021	297,961			297,843		3.70% (9)	June 2021
5.000%, $300,000 aggregate principal	296,105			296,019		5.00% (11)	July 2025	296,457			296,368		5.00% (10)	July 2025
Unsecured notes payable	1,482			1,508		0% (12)	2026	1,374			1,401		0% (11)	2026
Total debt, net	$	2,140,212		$	2,077,752			$	1,903,657		$	1,904,001


(1)	The carrying values of our ~~loans~~debt other than the Revolving Credit Facility reflect net deferred financing costs of ~~$7.5~~$5.7 million as of March 31, ~~2016~~2017 and ~~$8.0~~$6.1 million as of December 31, ~~2015.~~ 2016.

(2)

~~Several of the~~Certain fixed rate mortgages carry interest rates that were above or below market rates upon assumption and therefore were recorded at their fair value based on applicable effective interest rates. The carrying values of these loans reflect net unamortized premiums totaling ~~$489,000~~$403,000 as of March 31, ~~2016~~2017 and ~~$514,000~~$422,000 as of December 31, ~~2015.~~2016.


(3)	The weighted average interest rate on our fixed rate mortgage ~~loans~~debt was ~~6.08%~~4.19% as of March 31, ~~2016.~~2017.


(4)	The ~~weighted average~~ interest rate on our variable rate secured ~~loans was 2.40%~~debt as of March 31, ~~2016~~2017 was 2.63%.


(5)	~~The weighted average interest rate on the Revolving Credit Facility was 1.60% as~~ As of March 31, ~~2016.~~


~~(6)~~	~~An additional $150 million in borrowings is available to be drawn under a term loan. In addition,~~2017, we have the ability to borrow an additional $~~430.0~~350.0 million in the aggregate under these term loan facilities, provided that there is no default under the facilities and subject to the approval of the lenders.


~~(7)~~(6)	The weighted average interest rate on these loans was ~~2.08%~~2.37% as of March 31, ~~2016~~2017.


~~(8)~~(7)	The carrying value of these notes reflects an unamortized discount totaling ~~$2.2~~$1.9 million as of March 31, ~~2016~~2017 and $2.0 million as of December 31, ~~2015~~2016. The effective interest rate under the notes, including amortization of the issuance costs, was 3.70%.


~~(9)~~(8)	The carrying value of these notes reflects an unamortized discount totaling ~~$3.7~~$3.3 million as of March 31, ~~2016~~2017 and ~~$3.8~~$3.4 million as of December 31, ~~2015~~2016. The effective interest rate under the notes, including amortization of the issuance costs, was 5.49%.


~~(10)~~(9)	The carrying value of these notes reflects an unamortized discount totaling ~~$2.0~~$1.6 million as of March 31, ~~2016~~2017 and ~~$2.1~~$1.7 million as of December 31, ~~2015~~2016. The effective interest rate under the notes, including amortization of the issuance costs, was 3.85%.

~~(11)~~(10) The carrying value of these notes reflects an unamortized discount totaling ~~$3.2~~$2.9 million as of March 31, ~~2016~~2017 and ~~$3.3~~$3.0 million as of December 31, ~~2015.~~2016. The effective interest rate under the notes, including amortization of the issuance costs, was 5.15%.


~~(12)~~(11)	These notes carry interest rates that were below market rates upon assumption and therefore were recorded at their fair value based on applicable effective interest rates. The carrying value of these notes reflects an unamortized discount totaling $~~530,000~~438,000 as of March 31, ~~2016~~2017 and $~~554,000~~460,000 as of December 31, ~~2015~~2016.

All debt is owed by the Operating Partnership. While COPT is not directly obligated by any debt, it has guaranteed the Operating Partnership’s Revolving Credit Facility, Term Loan Facilities and Unsecured Senior Notes.

Certain of our debt instruments require that we comply with a number of restrictive financial covenants. As of March 31, ~~2016,~~2017, we were within the compliance requirements of these financial covenants.

We capitalized interest costs of $1.5 million in the three months ended March 31, 2017 and $1.8 million in the three months ended March 31, ~~2016 and $2.1 million in the three months ended March 31, 2015.~~2016.

The following table sets forth information pertaining to the fair value of our debt (in thousands):


	March 31, 2016				December 31, 2015				March 31, 2017				December 31, 2016
	Carrying		Estimated		Carrying		Estimated		Carrying		Estimated		Carrying		Estimated
	Amount		Fair Value		Amount		Fair Value		Amount		Fair Value		Amount		Fair Value
Fixed-rate debt
Unsecured Senior Notes	$	1,186,255	$	1,216,295	$	1,185,842	$	1,211,658	$	1,187,942	$	1,223,753	$	1,187,515	$	1,220,282
Other fixed-rate debt	281,264		289,254		282,716		291,991		154,668		156,098		155,544		156,887
Variable-rate debt	672,693		677,203		609,194		610,987		561,047		556,844		560,942		558,437
	$	2,140,212	$	2,182,752	$	2,077,752	$	2,114,636	$	1,903,657	$	1,936,695	$	1,904,001	$	1,935,606

9. Interest Rate Derivatives

The following table sets forth the key terms and fair values of our interest rate swap derivatives (dollars in thousands):


							Fair Value at												Fair Value at
Notional Amount	Notional Amount		Fixed Rate	Floating Rate Index	Effective Date	Expiration Date	March 31, 2016			December 31, 2015			Notional Amount		Fixed Rate	Floating Rate Index	Effective Date	Expiration Date	March 31, 2017			December 31, 2016
$	100,000		0.8055%	One-Month LIBOR	9/2/2014	9/1/2016	$	(137	)	$	(148	)	100,000		1.6730%	One-Month LIBOR	9/1/2015	8/1/2019	$	(301	)	$	(701	)
100,000	100,000		0.8100%	One-Month LIBOR	9/2/2014	9/1/2016	(139		)	(151		)	100,000		1.7300%	One-Month LIBOR	9/1/2015	8/1/2019	(434		)	(848		)
100,000			1.6730%	One-Month LIBOR	9/1/2015	8/1/2019	(2,738		)	(1,217		)
100,000			1.7300%	One-Month LIBOR	9/1/2015	8/1/2019	(2,929		)	(1,429		)
13,853		(1)	1.3900%	One-Month LIBOR	10/13/2015	10/1/2020	(242		)	53
13,494													13,494	(1)	1.3900%	One-Month LIBOR	10/13/2015	10/1/2020	147			100
100,000	100,000		1.9013%	One-Month LIBOR	9/1/2016	12/1/2022	(3,601		)	(138		)	100,000		1.9013%	One-Month LIBOR	9/1/2016	12/1/2022	409			(23		)
100,000	100,000		1.9050%	One-Month LIBOR	9/1/2016	12/1/2022	(3,511		)	(45		)	100,000		1.9050%	One-Month LIBOR	9/1/2016	12/1/2022	427			48
50,000	50,000		1.9079%	One-Month LIBOR	9/1/2016	12/1/2022	(1,775		)	(32		)	50,000		1.9079%	One-Month LIBOR	9/1/2016	12/1/2022	200			10
							$	(15,072	)	$	(3,107	)							$	448		$	(1,414	)


~~(1)~~	(1) The notional amount of this instrument is scheduled to amortize to $12.1 million.

Each of the interest rate swaps set forth in the table above was designated as a cash flow hedge of interest rate risk.

The table below sets forth the fair value of our interest rate derivatives as well as their classification on our consolidated balance sheets (in thousands):


		Fair Value at							Fair Value at
Derivatives	Balance Sheet Location	March 31, 2016			December 31, 2015			Balance Sheet Location	March 31, 2017			December 31, 2016
Interest rate swaps designated as cash flow hedges	Prepaid expenses and other assets	$	—		$	53		Prepaid expenses and other assets	$	1,183		$	158
Interest rate swaps designated as cash flow hedges	Interest rate derivatives	(15,072		)	(3,160		)	Other liabilities	(735		)	(1,572		)

The table below presents the effect of our interest rate derivatives on our consolidated statements of operations and comprehensive income (in thousands):

For the Three Months Ended March 31,
2016 2015
Amount of (loss) gain recognized in accumulated other comprehensive loss (“AOCL”) (effective portion) $ (11,284 ) $ (3,474 )
Amount of losses reclassified from AOCL into interest expense (effective portion) 870
773
Amount of loss recognized in interest expense (ineffective portion) 1,551
—



	For the Three Months Ended March 31,
	2017			2016
Amount of gain (loss) recognized in accumulated other comprehensive loss (“AOCL”) (effective portion)	$	224		$	(11,284	)
Amount of losses reclassified from AOCL into interest expense (effective portion)	(1,184		)	(870		)
Amount of gain (loss) recognized in interest expense (ineffective portion)	454			(1,551		)

Over the next 12 months, we estimate that approximately $~~4.5~~2.6 million of losses will be reclassified from AOCL as an increase to interest expense.

We have agreements with each of our interest rate derivative counterparties that contain provisions under which, if we default or are capable of being declared in default on defined levels of our indebtedness, we could also be declared in default on our derivative obligations. ~~These agreements also incorporate the loan covenant provisions of our indebtedness with a lender affiliate of the derivative counterparties.~~ Failure to comply with the loan covenant provisions could result in our being declared in default on any derivative instrument obligations covered by the agreements. As of March 31, ~~2016~~2017, the fair value of interest rate

derivatives in a liability position related to these agreements was $~~15.8 million~~735,000, excluding the effects of accrued interest and credit valuation adjustments. As of March 31, ~~2016~~2017, we had not posted any collateral related to these agreements. We are not in default with any of these provisions. If we breached any of these provisions, we could be required to settle our obligations under the agreements at their termination value of $~~16.1 million~~892,000.

10. Redeemable Noncontrolling Interests

Our partners in two real estate joint ventures, LW Redstone Company, LLC and Stevens Investors, LLC (discussed further in Note 5), have the right to require us to acquire their respective interests at fair value; accordingly, we classify the fair value of our partners’ interests as redeemable noncontrolling interests in the mezzanine section of our consolidated balance sheet. We determine the fair value of the interests based on unobservable inputs after considering the assumptions that market participants would make in pricing the interest. We apply a discount rate to the estimated future cash flows allocable to our partners from the properties underlying the respective joint ventures. Estimated cash flows used in such analyses are based on our plans for the properties and our views of market and economic conditions, and consider items such as current and future rental rates, occupancies for the properties and comparable properties and estimated operating and capital expenditures. The table below sets forth the activity for these redeemable noncontrolling interests ~~in our LW Redstone, LLC and Stevens Investors, LLC joint ventures described in Note 5~~ (in thousands):


		For the Three Months Ended March 31,						For the Three Months Ended March 31,
	��	2016			2015			2017			2016
Beginning balance		$	19,218		$	18,417		$	22,979		$	19,218
Contributions from noncontrolling interests		22,779			—			—			22,779
Distributions to noncontrolling interests		(20,526		)	(157		)	(415		)	(20,526		)
Net income attributable to noncontrolling interests		560			562			567			560
Adjustment to arrive at fair value of interests		302			73			545			302
Ending balance		$	22,333		$	18,895		$	23,676		$	22,333

11. Equity

COPT redeemed all of the outstanding shares of its Series K Cumulative Redeemable Preferred Shares (the “Series K Preferred Shares”) effective January 21, 2017 at a price of $50.00 per share, or $26.6 million in the aggregate, plus accrued and unpaid dividends thereon through the date of redemption. Concurrently with this redemption, COPLP redeemed its Series K Preferred Units on the same terms. Since we made an irrevocable notification to holders of the Series K Preferred Shares in December 2016 of our intention to redeem such shares, we presented the liquidation preference of the shares/units as a liability on the consolidated balance sheets of COPT and COPLP as of December 31, 2016; we also recognized a $17,000 decrease to net income available to common shareholders/unitholders in the three months ended December 31, 2016 pertaining to the original issuance costs incurred on the shares/units.

During the three months ended March 31, 2017, COPT issued 546,782 common shares at a weighted average price of $33.89 per share under its existing at-the-market (“ATM”) stock offering program. Net proceeds from the shares issued totaled $18.3 million, after payment of $278,000 in commissions to sales agents. COPT contributed the net proceeds from these issuances to COPLP in exchange for an equal number of units in COPLP. COPT’s remaining capacity under this ATM program is an aggregate gross sales price of $71.5 million in common share sales.

During the three months ended March 31, 2017, certain COPLP limited partners converted 185,000 common units in COPLP for an equal number of common shares in COPT.

See Note 13 for disclosure of COPT common share and COPLP common unit activity pertaining to our share-based compensation plans.

~~11.~~12. Information by Business Segment

~~Our segment reporting includes~~We have the following reportable segments: Defense/IT Locations; Regional Office; our operating wholesale data center; and other. ~~Our segment reporting~~We also ~~includes reporting for~~report on Defense/IT Locations sub-segments, which include the following: Fort George G. Meade and the Baltimore/Washington Corridor (referred to herein as “Fort Meade/BW Corridor”); Northern Virginia Defense/IT Locations; Lackland Air Force Base (in San Antonio); locations serving the U.S. Navy (“Navy Support Locations”), which included properties proximate to the Washington Navy Yard, the Naval Air Station Patuxent River in Maryland and the Naval Surface Warfare Center Dahlgren Division in Virginia; Redstone Arsenal (in Huntsville); and data center shells (properties leased to tenants to be operated as data centers in which the tenants generally fund the costs for the power, fiber connectivity and data center infrastructure). ~~The table below reports segment financial information for our reportable segments (in thousands).~~ We measure the performance of our segments through the measure we define as net operating income from real estate operations (“NOI from real estate ~~operations,~~operations”), which ~~is derived by subtracting~~includes: real estate revenues and property operating expenses; and the net of revenues and property operating expenses ~~from revenues from~~of real estate ~~operations.~~operations owned through unconsolidated real estate joint ventures (“UJVs”) that is allocable to COPT’s ownership interest (“UJV NOI allocable to COPT”). Amounts reported for segment assets represent long-lived assets associated with consolidated operating properties (including the carrying value of properties, intangible assets, deferred leasing costs, deferred rents receivable and lease incentives) and the carrying value of investments in UJVs owning operating properties. Amounts reported as additions to long-lived assets represent additions to existing consolidated operating properties, excluding transfers from non-operating properties, which we report separately.

The table below reports segment financial information for our reportable segments (in thousands):


	Operating Office Property Segments																								Operating Office Property Segments
	Defense/Information Technology Locations																								Defense/Information Technology Locations
	Fort Meade/BW Corridor		Northern Virginia Defense/IT			Lackland Air Force Base		Navy Support Locations		Redstone Arsenal		Data Center Shells		Total Defense/IT Locations		Regional Office		Operating Wholesale Data Center		Other			Total		Fort Meade/BW Corridor			Northern Virginia Defense/IT			Lackland Air Force Base			Navy Support Locations			Redstone Arsenal			Data Center Shells			Total Defense/IT Locations			Regional Office			Operating Wholesale Data Center			Other			Total
Three Months Ended March 31, 2017
Revenues from real estate operations																									$	60,855		$	11,707		$	11,634		$	7,010		$	3,460		$	5,522		$	100,188		$	18,276		$	6,770		$	1,533		$	126,767
Property operating expenses																									(20,520		)	(4,452		)	(6,802		)	(3,209		)	(1,371		)	(659		)	(37,013		)	(7,486		)	(3,365		)	(655		)	(48,519		)
UJV NOI allocable to COPT																									—			—			—			—			—			1,298			1,298			—			—			—			1,298
NOI from real estate operations																									$	40,335		$	7,255		$	4,832		$	3,801		$	2,089		$	6,161		$	64,473		$	10,790		$	3,405		$	878		$	79,546
Additions to long-lived assets																									$	3,422		$	2,468		$	—		$	2,168		$	132		$	—		$	8,190		$	7,120		$	1,574		$	156		$	17,040
Transfers from non-operating properties																									$	13,416		$	222		$	—		$	—		$	(4	)	$	(1,015	)	$	12,619		$	—		$	8		$	18		$	12,645
Segment assets at March 31, 2017																									$	1,258,437		$	361,449		$	131,194		$	195,892		$	109,171		$	206,489		$	2,262,632		$	439,079		$	229,630		$	21,011		$	2,952,352
Three Months Ended March 31, 2016
Revenues from real estate operations	$	62,509	$	12,116		$	10,225	$	6,934	$	3,116	$	6,330	$	101,230	$	23,502	$	6,493	$	1,862		$	133,087	$	62,509		$	12,116		$	10,225		$	6,934		$	3,116		$	6,330		$	101,230		$	23,502		$	6,493		$	1,862		$	133,087
Property operating expenses	23,246		4,541			5,420		3,524		978		810		38,519		9,831		2,661		864			51,875		(23,246		)	(4,541		)	(5,420		)	(3,524		)	(978		)	(810		)	(38,519		)	(9,831		)	(2,661		)	(864		)	(51,875		)
NOI from real estate operations	$	39,263	$	7,575		$	4,805	$	3,410	$	2,138	$	5,520	$	62,711	$	13,671	$	3,832	$	998		$	81,212	$	39,263		$	7,575		$	4,805		$	3,410		$	2,138		$	5,520		$	62,711		$	13,671		$	3,832		$	998		$	81,212
Additions to long-lived assets	$	6,519	$	3,078		$	—	$	1,270	$	618	$	—	$	11,485	$	2,759	$	—	$	157		$	14,401	$	6,519		$	3,078		$	—		$	1,270		$	618		$	—		$	11,485		$	2,759		$	—		$	157		$	14,401
Transfers from non-operating properties	$	35,751	$	(94	)	$	6	$	—	$	211	$	26,097	$	61,971	$	82	$	51	$	(11	)	$	62,093	$	35,751		$	(94	)	$	6		$	—		$	211		$	26,097		$	61,971		$	82		$	51		$	(11	)	$	62,093
Segment assets at March 31, 2016	$	1,319,444	$	407,199		$	133,757	$	195,306	$	107,693	$	227,808	$	2,391,207	$	603,662	$	240,484	$	70,039		$	3,305,392	$	1,319,444		$	407,199		$	133,757		$	195,306		$	107,693		$	227,808		$	2,391,207		$	603,662		$	240,484		$	70,039		$	3,305,392
Three Months Ended March 31, 2015
Revenues from real estate operations	$	61,184	$	11,046		$	8,665	$	7,265	$	2,446	$	5,114	$	95,720	$	21,960	$	3,035	$	1,995		$	122,710
Property operating expenses	23,516		5,616			4,763		3,398		829		695		38,817		8,748		2,212		909			50,686
NOI from real estate operations	$	37,668	$	5,430		$	3,902	$	3,867	$	1,617	$	4,419	$	56,903	$	13,212	$	823	$	1,086		$	72,024
Additions to long-lived assets	$	3,445	$	787		$	—	$	1,593	$	83	$	—	$	5,908	$	65,934	$	30	$	99		$	71,971
Transfers from non-operating properties	$	12,930	$	43,473		$	31,091	$	—	$	2,997	$	15,097	$	105,588	$	11,507	$	177	$	—		$	117,272
Segment assets at March 31, 2015	$	1,267,663	$	412,410		$	133,197	$	195,249	$	99,335	$	170,209	$	2,278,063	$	597,389	$	162,170	$	72,758		$	3,110,380

The following table reconciles our segment revenues to total revenues as reported on our consolidated statements of operations (in thousands):


	For the Three Months Ended March 31,				For the Three Months Ended March 31,
	2016		2015		2017		2016
Segment revenues from real estate operations	$	133,087	$	122,710	$	126,767	$	133,087
Construction contract and other service revenues	11,220		38,324		13,034		11,220
Total revenues	$	144,307	$	161,034	$	139,801	$	144,307

The following table reconciles ~~our segment property operating expenses~~UJV NOI allocable to ~~property operating expenses~~COPT to equity in income of unconsolidated entities as reported on our consolidated statements of operations (in thousands):

For the Three Months Ended March 31,
2016 2015
Segment property operating expenses $ 51,875
$ 50,686
Less: Property operating expenses from discontinued operations —
(5 )
Total property operating expenses $ 51,875
$ 50,681



	For the Three Months Ended March 31,
	2017			2016
UJV NOI allocable to COPT	$	1,298		$	—
Less: Income from UJV allocable to COPT attributable to depreciation and amortization expense and interest expense	(572		)	—
Add: Equity in (loss) income of unconsolidated non-real estate entities	(1		)	10
Equity in income of unconsolidated entities	$	725		$	10

As previously discussed, we provide real estate services such as property management and construction and development services primarily for our properties but also for third parties. The primary manner in which we evaluate the operating performance of our service activities is through a measure we define as net operating income from service operations (“NOI from service operations”), which is based on the net of revenues and expenses from these activities. Construction contract and other service revenues and expenses consist primarily of subcontracted costs that are reimbursed to us by the customer along with a management fee. The operating margins from these activities are small relative to the revenue. We believe NOI from service operations is a useful measure in assessing both our level of activity and our profitability in conducting such operations. The table below sets forth the computation of our NOI from service operations (in thousands):


	For the Three Months Ended March 31,						For the Three Months Ended March 31,
	2016			2015			2017			2016
Construction contract and other service revenues	$	11,220		$	38,324		$	13,034		$	11,220
Construction contract and other service expenses	(10,694		)	(37,498		)	(12,486		)	(10,694		)
NOI from service operations	$	526		$	826		$	548		$	526

The following table reconciles our NOI from real estate operations for reportable segments and NOI from service operations to income from ~~continuing operations~~before gain on sales of real estate as reported on our consolidated statements of operations (in thousands):


	For the Three Months Ended March 31,						For the Three Months Ended March 31,
	2016			2015			2017			2016
NOI from real estate operations	$	81,212		$	72,024		$	79,546		$	81,212
NOI from service operations	526			826			548			526
Interest and other income	1,156			1,283			1,726			1,156
Equity in income of unconsolidated entities	10			25			725			10
Income tax benefit (expense)	8			(55		)
Other adjustments:	—
Income tax (expense) benefit							(40		)	8
Depreciation and other amortization associated with real estate operations	(34,527		)	(31,599		)	(33,059		)	(34,527		)
Impairment losses	(2,446		)	—			—			(2,446		)
General, administrative and leasing expenses	(11,883		)	(7,891		)	(8,611		)	(11,883		)
Business development expenses and land carry costs	(2,418		)	(2,790		)	(1,693		)	(2,418		)
Interest expense	(23,559		)	(20,838		)	(18,994		)	(23,559		)
NOI from discontinued operations	—			5
Gain (loss) on early extinguishment of debt	17			(3		)
Income from continuing operations	$	8,096		$	10,987
Less: UJV NOI allocable to COPT included in equity in income of unconsolidated entities							(1,298		)	—
Gain on early extinguishment of debt							—			17
Income before gain on sales of real estate							$	18,850		$	8,096

The following table reconciles our segment assets to the consolidated total assets of COPT and subsidiaries (in thousands):


	March 31, 2016		March 31, 2015		March 31, 2017		March 31, 2016
Segment assets	$	3,305,392	$	3,110,380	$	2,952,352	$	3,305,392
Non-operating property assets	444,334		496,930		429,690		444,334
Other assets	188,182		164,341		357,324		188,182
Total COPT consolidated assets	$	3,937,908	$	3,771,651	$	3,739,366	$	3,937,908

The accounting policies of the segments are the same as those used to prepare our consolidated financial statements, except that discontinued operations and UJV NOI allocable to COPT are not presented separately for segment purposes. In the segment reporting presented above, we did not allocate interest expense, depreciation and amortization, impairment losses, ~~loss~~gain on early extinguishment of debt, ~~and~~ gain on sales of real estate and equity in (loss) income of unconsolidated entities not included in NOI to our real estate segments since they are not included in the measure of segment profit reviewed by management. We also did not allocate general, administrative and leasing expenses, business development expenses and land carry costs, interest and other income, ~~equity in income of unconsolidated entities,~~ income taxes and noncontrolling interests because these items represent general corporate or non-operating property items not attributable to segments.

~~12.~~13. Share-Based Compensation and Other Compensation Matters

Performance Share Units (“PSUs”)

On ~~March~~January 1, ~~2016,~~2017, our Board of Trustees granted ~~26,299~~36,525 PSUs with an aggregate grant date fair value of $~~1.0~~1.4 million to executives. The PSUs have a performance period beginning on January 1, ~~2016~~2017 and concluding on the earlier of December 31, ~~2018~~2019 or the date of: (1) termination by us without cause, death or disability of the executive or constructive discharge of the executive (collectively, “qualified termination”); or (2) a sale event. The number of PSUs earned (“earned PSUs”) at the end of the performance period will be determined based on the percentile rank of COPT’s total shareholder return relative to a peer group of companies, as set forth in the following schedule:



Percentile Rank		Earned PSUs Payout %
75th or greater		200% of PSUs granted
50th or greater		100% of PSUs granted
25th		50% of PSUs granted
Below 25th		0% of PSUs granted

If the percentile rank exceeds the 25th percentile and is between two of the percentile ranks set forth in the table above, then the percentage of the earned PSUs will be interpolated between the ranges set forth in the table above to reflect any performance

between the listed percentiles. At the end of the performance period, we, in settlement of the award, will issue a number of fully-vested COPT common shares equal to the sum of:

the number of earned PSUs in settlement of the award plan; plus

the aggregate dividends that would have been paid with respect to the common shares issued in settlement of the earned PSUs through the date of settlement had such shares been issued on the grant date, divided by the share price on such settlement date, as defined under the terms of the agreement.

If a performance period ends due to a sale event or qualified termination, the number of earned PSUs is prorated based on the portion of the three-year performance period that has elapsed. If employment is terminated by the employee or by us for cause, all PSUs are forfeited. PSUs do not carry voting rights.

We computed a grant date fair value of $~~38.21~~38.43 per PSU using a Monte Carlo model, which included assumptions of, among other things, the following: baseline common share value of $~~23.90~~31.22; expected volatility for COPT common shares of ~~20.4%~~19.0%; and a risk-free interest rate of ~~0.96%~~1.47%. We are recognizing the grant date fair value in connection with these PSU awards over the period commencing on ~~March~~January 1, ~~2016~~2017 and ending on December 31, ~~2018.~~2019.

We issued 9,763 common shares on February 7, 2017 to Mr. Stephen E. Budorick, our Chief Executive Officer, in settlement of PSUs issued in 2014, representing 100% of the target award for those PSUs.

Restricted Shares

During the three months ended March 31, ~~2016~~2017, certain employees were granted a total of ~~184,237~~208,953 restricted common shares with an aggregate grant date fair value of $~~4.4~~7.1 million (weighted average of $~~23.90~~34.02 per share). Restricted shares granted to employees vest based on increments and over periods of time set forth under the terms of the respective awards provided that the employees remain employed by us. During the three months ended March 31, ~~2016~~2017, forfeiture restrictions lapsed on ~~137,593~~139,201 previously issued common shares; these shares had a weighted average grant date fair value of $~~27.47~~26.21 per share, and the aggregate intrinsic value of the shares on the vesting dates was $~~3.3~~4.7 million.

~~Executive Transition Costs~~

Our Board of Trustees appointed Stephen E. Budorick, our Executive Vice President and Chief Operating Officer since September 2011, to become our President and Chief Executive Officer effective May 12, 2016, the date of the Company’s 2016 Annual Meeting of Shareholders. On that date, Roger A. Waesche, Jr., our current President and Chief Executive Officer, will leave the Company to pursue other interests, and he was not nominated for reelection as a Trustee. The Board expects to appoint Mr. Budorick to our Board of Trustees after the 2016 Annual Meeting of Shareholders. In addition, our Executive Vice President, Development & Construction Services, Wayne H. Lingafelter, departed the Company to pursue other interests effective March 31, 2016. We recognized executive transition costs of approximately $4.1 million ~~in the three months ended March 31, 2016 primarily in connection with the departure of Mr. Waesche and Mr. Lingafelter.~~

~~13.~~14. Earnings Per Share (“EPS”) and Earnings Per Unit (“EPU”)

COPT and Subsidiaries EPS

We present both basic and diluted EPS. We compute basic EPS by dividing net income available to common shareholders allocable to unrestricted common shares under the two-class method by the weighted average number of unrestricted common shares outstanding during the period. Our computation of diluted EPS is similar except that:

the denominator is increased to include: (1) the weighted average number of potential additional common shares that would have been outstanding if securities that are convertible into COPT common shares were converted; and (2) the effect of dilutive potential common shares outstanding during the period attributable to share-based compensation using the treasury stock or if-converted methods; and

the numerator is adjusted to add back any changes in income or loss that would result from the assumed conversion into common shares that we added to the denominator.

Summaries of the numerator and denominator for purposes of basic and diluted EPS calculations are set forth below (in thousands, except per share data):


	For the Three Months Ended March 31,						For the Three Months Ended March 31,
	2016			2015			2017			2016
Numerator:
Income from continuing operations	$	8,096		$	10,987
Gain on sales of real estate, net	—			3,986
Net income attributable to COPT							$	21,355		$	6,826
Preferred share dividends	(3,552		)	(3,552		)	(3,180		)	(3,552		)
Income from continuing operations attributable to noncontrolling interests	(1,270		)	(1,392		)
Income from continuing operations attributable to share-based compensation awards	(118		)	(122		)
Numerator for basic and diluted EPS from continuing operations attributable to COPT common shareholders	$	3,156		$	9,907
Discontinued operations	—			(238		)
Discontinued operations attributable to noncontrolling interests	—			12
Income attributable to share-based compensation awards							(125		)	(118		)
Numerator for basic and diluted EPS on net income attributable to COPT common shareholders	$	3,156		$	9,681		$	18,050		$	3,156
Denominator (all weighted averages):
Denominator for basic EPS (common shares)	94,203			93,199			98,411			94,203
Dilutive effect of share-based compensation awards	95			198			155			95
Denominator for diluted EPS (common shares)	94,298			93,397			98,566			94,298
Basic EPS:
Income from continuing operations attributable to COPT common shareholders	$	0.03		$	0.10
Discontinued operations attributable to COPT common shareholders	0.00			0.00
Net income attributable to COPT common shareholders	$	0.03		$	0.10		$	0.18		$	0.03
Diluted EPS:
Income from continuing operations attributable to COPT common shareholders	$	0.03		$	0.10
Discontinued operations attributable to COPT common shareholders	0.00			0.00
Net income attributable to COPT common shareholders	$	0.03		$	0.10		$	0.18		$	0.03

Our diluted EPS computations do not include the effects of the following securities since the conversions of such securities would increase diluted EPS for the respective periods (in thousands):


	Weighted Average Shares Excluded from Denominator			Weighted Average Shares Excluded from Denominator
		For the Three Months Ended March 31,		For the Three Months Ended March 31,
		2016	2015	2017	2016
Conversion of common units		3,677	3,732	3,446	3,677
Conversion of Series I Preferred Units		176	176	176	176
Conversion of Series K Preferred Shares		434	434	—	434

The following share-based compensation securities were excluded from the computation of diluted EPS because their effects were antidilutive:

weighted average restricted shares and deferred share awards for the three months ended March 31, ~~2016~~2017 and ~~2015~~2016 of ~~405,000~~392,000 and ~~400,000~~405,000, respectively; and

weighted average options for the three months ended March 31, ~~2016~~2017 and ~~2015~~2016 of ~~379,000~~140,000 and ~~474,000~~379,000, respectively.

We had outstanding senior notes, which we redeemed in April 2015, with an exchange settlement feature, but such notes did not affect our diluted EPS reported above since the weighted average closing price of COPT’s common shares during each of the periods was less than the exchange prices per common share applicable for such periods.

COPLP and Subsidiaries EPU

We present both basic and diluted EPU. We compute basic EPU by dividing net income available to common unitholders allocable to unrestricted common units under the two-class method by the weighted average number of unrestricted common units outstanding during the period. Our computation of diluted EPU is similar except that:

the denominator is increased to include: (1) the weighted average number of potential additional common units that would have been outstanding if securities that are convertible into our common units were converted; and (2) the effect of dilutive potential common units outstanding during the period attributable to share-based compensation using the treasury stock or if-converted methods; and

the numerator is adjusted to add back any changes in income or loss that would result from the assumed conversion into common units that we added to the denominator.

Summaries of the numerator and denominator for purposes of basic and diluted EPU calculations are set forth below (in thousands, except per unit data):


	For the Three Months Ended March 31,						For the Three Months Ended March 31,
	2016			2015			2017			2016
Numerator:
Income from continuing operations	$	8,096		$	10,987
Gain on sales of real estate, net	—			3,986
Net income attributable to COPLP common unitholders							$	22,154		$	7,117
Preferred unit distributions	(3,717		)	(3,717		)	(3,345		)	(3,717		)
Income from continuing operations attributable to noncontrolling interests	(979		)	(821		)
Income from continuing operations attributable to share-based compensation awards	(118		)	(122		)
Numerator for basic and diluted EPU from continuing operations attributable to COPLP common unitholders	$	3,282		$	10,313
Discontinued operations	—			(238		)
Discontinued operations attributable to noncontrolling interests	—			3
Income attributable to share-based compensation awards							(125		)	(118		)
Numerator for basic and diluted EPU on net income attributable to COPLP common unitholders	$	3,282		$	10,078		$	18,684		$	3,282
Denominator (all weighted averages):
Denominator for basic EPU (common units)	97,880			96,931			101,857			97,880
Dilutive effect of share-based compensation awards	95			198			155			95
Denominator for diluted EPU (common units)	97,975			97,129			102,012			97,975
Basic EPU:
Income from continuing operations attributable to COPLP common unitholders	$	0.03		$	0.10
Discontinued operations attributable to COPLP common unitholders	0.00			0.00
Net income attributable to COPLP common unitholders	$	0.03		$	0.10		$	0.18		$	0.03
Diluted EPU:
Income from continuing operations attributable to COPLP common unitholders	$	0.03		$	0.10
Discontinued operations attributable to COPLP common unitholders	0.00			0.00
Net income attributable to COPLP common unitholders	$	0.03		$	0.10		$	0.18		$	0.03

Our diluted EPU computations do not include the effects of the following securities since the conversions of such securities would increase diluted EPU for the respective periods (in thousands):


	Weighted Average Units Excluded from Denominator			Weighted Average Units Excluded from Denominator
		For the Three Months Ended March 31,		For the Three Months Ended March 31,
		2016	2015	2017	2016
Conversion of Series I preferred units		176	176	176	176
Conversion of Series K preferred units		434	434	—	434

The following share-based compensation securities were excluded from the computation of diluted EPU because their effects were antidilutive:

weighted average restricted units and deferred share awards for the three months ended March 31, 2017 and 2016 of 392,000 and ~~2015 of~~ 405,000, ~~and 400,000,~~ respectively; and

weighted average options for the three months ended March 31, ~~2016~~2017 and ~~2015~~2016 of ~~379,000~~140,000 and ~~474,000~~379,000, respectively.

We had outstanding senior notes, which we redeemed in April 2015, with an exchange settlement feature, but such notes did not affect our diluted EPU reported above since the weighted average closing price of COPT’s common shares during each of the periods was less than the exchange prices per common share applicable for such periods.

~~14.~~15. Commitments and Contingencies

Litigation

In the normal course of business, we are involved in legal actions arising from our ownership and administration of properties. We establish reserves for specific legal proceedings when we determine that the likelihood of an unfavorable outcome is probable and the amount of loss can be reasonably estimated. Management does not anticipate that any liabilities that may result from such proceedings will have a materially adverse effect on our financial position, operations or liquidity. Our assessment of the potential outcomes of these matters involves significant judgment and is subject to change based on future developments.

Environmental

We are subject to various Federal, state and local environmental regulations related to our property ownership and operation. We have performed environmental assessments of our properties, the results of which have not revealed any environmental liability that we believe would have a materially adverse effect on our financial position, operations or liquidity.

Tax Incremental Financing Obligation

In August 2010, Anne Arundel County, Maryland issued $30 million in tax incremental financing bonds to third-party investors in order to finance public improvements needed in connection with our project known as National Business Park North. The real estate taxes on increases in assessed value of a development district encompassing National Business Park North are to be transferred to a special fund pledged to the repayment of the bonds. We recognized a $~~1.9~~1.5 million liability through March 31, ~~2016~~2017 representing our estimated obligation to fund through a special tax any future shortfalls between debt service on the bonds and real estate taxes available to repay the bonds.

Operating Leases

We are obligated as lessee under operating leases (mostly ground leases) with various expiration dates extending to the year 2100. Future minimum rental payments due under the terms of these operating leases as of March 31, ~~2016~~2017 follow (in thousands):


Year Ending December 31,
2016 (1)	$	896
2017	1,123
2017 (1)			$	985
2018	1,076		1,290
2019	1,051		1,269
2020	1,067		1,261
2021			1,260
Thereafter	86,800		85,762
	$	92,013	$	91,827

(1) Represents the nine months ending December 31, ~~2016.~~2017.

Contractual Obligations

We had amounts remaining to be incurred under various contractual obligations as of March 31, ~~2016~~2017 that included the following:

new development and redevelopment obligations of ~~$60.1~~$128.0 million;

capital expenditures for operating properties of ~~$44.9~~$51.8 million;

third party construction and development of ~~$17.7~~$6.7 million; and

~~purchase~~other obligations of ~~$3.0~~$1.4 million.

Environmental Indemnity Agreement

In connection with a lease and subsequent sale in 2008 and 2010 of three properties in Dayton, New Jersey, we agreed to provide certain environmental indemnifications. The prior owner of the properties, a Fortune 100 company that is responsible for groundwater contamination at such properties, previously agreed to indemnify us for (1) direct losses incurred in connection with the contamination and (2) its failure to perform remediation activities required by the State of New Jersey, up to the point that the state declares the remediation to be complete. Under the environmental indemnification agreement, we agreed to the following:

~~to indemnify the tenant against losses covered under the prior owner’s indemnity agreement if the prior owner fails to indemnify the tenant for such losses. This indemnification is capped at~~ ~~$5.0 million~~ ~~in perpetuity after the State of New Jersey declares the remediation to be complete;~~

~~to indemnify the tenant for consequential damages (e.g., business interruption) at one of the buildings in perpetuity and another of the buildings through 2025. This indemnification is~~indemnifications limited to ~~$12.5~~$19 million~~; and~~

~~to pay~~ ~~50%~~ of additional costs related to construction and environmental regulatory activities incurred by the tenant as a result of the indemnified environmental condition of the properties. This indemnification is limited to ~~$300,000~~ ~~annually and~~ ~~$1.5 million~~ in the aggregate. We have insurance coverage in place to mitigate much of any potential future losses that may result from these indemnification agreements.

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

Overview

During the three months ended March 31, ~~2016~~2017:

we finished the period with occupancy of our portfolio of operating office properties at ~~90.7%;~~92.4%, including six properties owned through an unconsolidated real estate joint venture;

we placed into service an aggregate of ~~200,000~~86,000 square feet in newly ~~constructed and~~ redeveloped properties that were ~~74.5%~~61.0% leased as of March 31, ~~2016;~~2017;

we ~~classified additional properties as held~~sold an operating property totaling 190,000 square feet that was 87.2% occupied for ~~sale with~~$39.0 million and other land for $14.3 million;

COPT used available cash to redeem all of the outstanding shares of its Series K Preferred Shares effective January 21, 2017 at a price of $50.00 per share, or $26.6 million in the aggregate, ~~carrying amounts of $138 million after related impairments. We continue to evaluate properties for sale,~~plus accrued and ~~decisions to sell certain additional properties could result in additional impairment losses;~~

our Board of Trustees appointed Stephen E. Budorick, our Executive Vice President and Chief Operating Officer since September 2011, to become our President and Chief Executive Officer effective May 12, 2016,unpaid dividends thereon through the date of redemption. Concurrently with this redemption, COPLP redeemed its Series K Preferred Units on the Company’s 2016 Annual Meeting of Shareholders. On that date, Roger A. Waesche, Jr., our current President and Chief Executive Officer, will leave the Company to pursue other interests, and he was not nominated for reelection as a Trustee. The Board expects to appoint Mr. Budorick to our Board of Trustees after the 2016 Annual Meeting of Shareholders;same terms; and

COPT issued 546,782 common shares at a weighted average price of $33.89 per share under its ATM stock offering program. Net proceeds from the shares issued totaled $18.3 million. The net proceeds were used primarily to fund our ~~Executive Vice President, Development & Construction Services, Wayne H. Lingafelter, departed the Company to pursue other interests effective March 31, 2016.~~cash reserves.

We discuss significant factors contributing to changes in our net income in the section below entitled “Results of Operations.” The results of operations discussion is combined for COPT and COPLP because there are no material differences in the results of operations between the two reporting entities.

In addition, the section below entitled “Liquidity and Capital Resources” includes discussions of, among other things:

how we expect to generate cash for short and long-term capital needs; and

our commitments and contingencies.

You should refer to our consolidated financial statements and the notes thereto as you read this section.

This section contains “forward-looking” statements, as defined in the Private Securities Litigation Act of 1995, that are based on our current expectations, estimates and projections about future events and financial trends affecting the financial condition and operations of our business. Forward-looking statements can be identified by the use of words such as “may,” “will,” “should,” “could,” “believe,” “anticipate,” “expect,” “estimate,” “plan” or other comparable terminology. Forward-looking statements are inherently subject to risks and uncertainties, many of which we cannot predict with accuracy and some of which we might not even anticipate. Although we believe that the expectations, estimates and projections reflected in such forward-looking statements are based on reasonable assumptions at the time made, we can give no assurance that these expectations, estimates and projections will be achieved. Future events and actual results may differ materially from those discussed in the forward-looking statements. Important factors that may affect these expectations, estimates and projections include, but are not limited to:

general economic and business conditions, which will, among other things, affect office property and data center demand and rents, tenant creditworthiness, interest rates, financing availability and property values;

adverse changes in the real estate markets, including, among other things, increased competition with other companies;

governmental actions and initiatives, including risks associated with the impact of a prolonged government shutdown or budgetary reductions or impasses, such as a reduction in rental revenues, non-renewal of leases and/or a curtailment of demand for additional space by our strategic customers;

our ability to borrow on favorable terms;

risks of real estate acquisition and development activities, including, among other things, risks that development projects may not be completed on schedule, that tenants may not take occupancy or pay rent or that development or operating costs may be greater than anticipated;

risks of investing through joint venture structures, including risks that our joint venture partners may not fulfill their financial obligations as investors or may take actions that are inconsistent with our objectives;

changes in our plans for properties or views of market economic conditions or failure to obtain development rights, either of which could result in recognition of significant impairment losses;

our ability to satisfy and operate effectively under Federal income tax rules relating to real estate investment trusts and partnerships;

the dilutive effects of issuing additional common shares;

our ability to achieve projected results; and

environmental requirements.

We undertake no obligation to update or supplement forward-looking statements.

Occupancy and Leasing

Office Properties

The tables below set forth occupancy information pertaining to our portfolio of operating office ~~properties:~~properties, which included six properties owned through an unconsolidated real estate joint venture:


	March 31, 2016			December 31, 2015			March 31, 2017			December 31, 2016
Occupancy rates at period end
Total	90.7		%	91.6		%	92.4		%	92.1		%
Defense/IT Locations:
Fort Meade/BW Corridor	92.4		%	94.5		%	94.1		%	94.3		%
Northern Virginia Defense/IT	81.1		%	81.9		%	85.8		%	85.0		%
Lackland Air Force Base	100.0		%	100.0		%	100.0		%	100.0		%
Navy Support Locations	71.8		%	72.1		%	78.1		%	72.7		%
Redstone Arsenal	98.9		%	97.0		%	100.0		%	96.4		%
Data Center Shells	100.0		%	100.0		%	100.0		%	100.0		%
Total Defense/IT Locations							93.3		%	92.6		%
Regional Office	96.1		%	95.4		%	93.3		%	95.2		%
Other	53.8		%	57.3		%	52.9		%	52.9		%
Average contractual annual rental rate per square foot at period end (1)	$	29.72		$	29.55		$	30.20		$	30.16


(1)	Includes estimated expense reimbursements. Amounts reported include the portion of properties owned through an unconsolidated real estate joint venture that was allocable to our ownership interest.


	Rentable Square Feet		Occupied Square Feet		Rentable Square Feet		Occupied Square Feet
	(in thousands)				(in thousands)
December 31, 2015	18,053		16,535
Square feet vacated upon lease expiration (1)	—		(213	)
December 31, 2016					17,190		15,831
Square feet vacated					—		(161	)
Occupancy of previously vacated space in connection with new leases ~~(2)~~(1)	—		72		—		214
Square feet constructed or redeveloped	200		159		86		72
Dispositions					(190	)	(166	)
Other changes	(3	)	(1	)	(4	)	(2	)
March 31, 2016	18,250		16,552
March 31, 2017					17,082		15,788


(1)	~~Includes lease terminations and space reductions occurring in connection with lease renewals.~~


~~(2)~~	Excludes occupancy of vacant square feet acquired or developed.

During the three months ended March 31, ~~2016,~~2017, we completed ~~545,000~~366,000 square feet of leasing, including ~~163,000~~58,000 of construction and redevelopment space, and renewed ~~64.3%~~62.0% of the square footage of our lease expirations (including the effect of early renewals).

Occupancy of our Same Office Properties ~~decreased~~increased from ~~90.9%~~91.8% as of December 31, ~~2015~~2016 to ~~90.1%~~92.4% as of March 31, ~~2016.~~2017.

Wholesale Data Center Property

~~The leased portion of our~~Our 19.25 megawatt wholesale data center property ~~decreased from 17.8~~had 14.9 megawatts ~~as of December 31, 2015 to 16.8 megawatts~~leased as of March 31, ~~2016 due~~2017, which was unchanged from December 31, 2016; the leased megawatts excluded approximately one additional megawatt provided to ~~a tenant departure.~~users under management agreements. While we believe that demand exists for our unleased megawatts in this property, we face significant competition from other properties in the region.

Results of Operations

We evaluate the operating performance of our properties using NOI from real estate operations, our segment performance measure, ~~derived by subtracting~~which includes: real estate revenues and property operating expenses; and the net of revenues and property operating expenses ~~from revenues from~~of real estate ~~operations.~~operations owned through unconsolidated real estate joint ventures (“UJVs”) that is allocable to COPT’s ownership interest (“UJV NOI allocable to COPT”). We view our NOI from real estate operations as comprising the following primary categories of operating properties:

office properties continually owned and 100% operational throughout the current and prior year reporting periods, excluding properties held for ~~future disposition.~~sale. We define these as changes from “Same Office Properties”;

~~office properties acquired during the current and prior year reporting periods;~~

constructed or redeveloped office properties placed into service that were not 100% operational throughout the current and prior year reporting periods;

our wholesale data center;

properties held for sale as of March 31, ~~2016~~2017; and

property dispositions.

In addition to owning properties, we provide construction management and other services. The primary manner in which we evaluate the operating performance of our construction management and other service activities is through a measure we define as NOI from service operations, which is based on the net of the revenues and expenses from these activities. The revenues and expenses from these activities consist primarily of subcontracted costs that are reimbursed to us by customers along with a management fee. The operating margins from these activities are small relative to the revenue. We believe NOI from service operations is a useful measure in assessing both our level of activity and our profitability in conducting such operations.

We believe that operating income, as reported on our consolidated statements of operations, is the most directly comparable generally accepted accounting principles (“GAAP”) measure for both NOI from real estate operations and NOI from service operations. Since both of ~~these~~the measures discussed above exclude certain items includable in ~~operating~~ income before gain on sales of real estate, reliance on these measures has limitations; management compensates for these limitations by using the measures simply as supplemental measures that are considered alongside other GAAP and non-GAAP measures.

~~The table below reconciles~~ A reconciliation of NOI from real estate operations and NOI from service operations to ~~operating~~ income before gain on sales of real estate reported on the consolidated statements of operations of COPT and ~~subsidiaries:~~

For the Three Months Ended March 31,
2016 2015
(in thousands)
NOI from real estate operations $ 81,212
$ 72,024
NOI from service operations 526
826
Less: NOI from discontinued operations —
5
Depreciation and amortization associated with real estate operations (34,527 ) (31,599 )
Impairment losses (2,446 ) —
General, administrative and leasing expenses (11,883 ) (7,891 )
Business development expenses and land carry costs (2,418 ) (2,790 )
Operating income $ 30,464
$ 30,575
subsidiaries is provided in Note 12 to our consolidated financial statements.

Comparison of Statements of Operations for the Three Months Ended March 31, ~~2016~~2017 and ~~2015~~2016


	For the Three Months Ended March 31,									For the Three Months Ended March 31,
	2016			2015			Variance			2017			2016			Variance
	(in thousands)									(in thousands)
Revenues
Revenues from real estate operations	$	133,087		$	122,710		$	10,377		$	126,767		$	133,087		$	(6,320	)
Construction contract and other service revenues	11,220			38,324			(27,104		)	13,034			11,220			1,814
Total revenues	144,307			161,034			(16,727		)	139,801			144,307			(4,506		)
Expenses
Property operating expenses	51,875			50,681			1,194			48,519			51,875			(3,356		)
Depreciation and amortization associated with real estate operations	34,527			31,599			2,928			33,059			34,527			(1,468		)
Construction contract and other service expenses	10,694			37,498			(26,804		)	12,486			10,694			1,792
Impairment losses	2,446			—			2,446			—			2,446			(2,446		)
General, administrative and leasing expenses	11,883			7,891			3,992			8,611			11,883			(3,272		)
Business development expenses and land carry costs	2,418			2,790			(372		)	1,693			2,418			(725		)
Total operating expenses	113,843			130,459			(16,616		)	104,368			113,843			(9,475		)
Operating income	30,464			30,575			(111		)	35,433			30,464			4,969
Interest expense	(23,559		)	(20,838		)	(2,721		)	(18,994		)	(23,559		)	4,565
Interest and other income	1,156			1,283			(127		)	1,726			1,156			570
Gain (loss) on early extinguishment of debt	17			(3		)	20
Gain on early extinguishment of debt										—			17			(17		)
Equity in income of unconsolidated entities	10			25			(15		)	725			10			715
Income tax expense	8			(55		)	63
Income from continuing operations	8,096			10,987			(2,891		)
Discontinued operations	��			(238		)	238
Income tax (expense) benefit										(40		)	8			(48		)
Income before gain on sales of real estate										18,850			8,096			10,754
Gain on sales of real estate	—			3,986			(3,986		)	4,238			—			4,238
Net income	$	8,096		$	14,735		$	(6,639	)	$	23,088		$	8,096		$	14,992

NOI from Real Estate Operations

NOI from Real Estate Operations

	For the Three Months Ended March 31,									For the Three Months Ended March 31,
	2016			2015			Variance			2017			2016			Variance
	(Dollars in thousands, except per square foot data)									(Dollars in thousands, except per square foot data)
Revenues
Same Office Properties revenues
Rental revenue, excluding lease termination revenue	$	80,317		$	80,760		$	(443	)	$	89,115		$	86,149		$	2,966
Lease termination revenue	980			753			227			706			953			(247		)
Tenant recoveries and other real estate operations revenue	22,559			21,522			1,037			23,962			24,015			(53		)
Same Office Properties total revenues	103,856			103,035			821			113,783			111,117			2,666
Constructed and developed office properties placed in service	5,671			1,191			4,480
Acquired office properties	9,210			332			6,921
Constructed and redeveloped properties placed in service										3,531			802			2,729
Wholesale data center	6,493			3,035			3,458			6,770			6,493			277
Properties held for sale	7,666			6,670			996			1,787			2,038			(251		)
Dispositions	72			8,324			(8,252		)	715			12,518			(11,803		)
Other	119			123			(4		)	181			119			62
	133,087			122,710			10,377			126,767			133,087			(6,320		)
Property operating expenses
Same Office Properties	40,311			40,722			(411		)	(42,659		)	(43,382		)	723
Constructed and developed office properties placed in service	1,539			380			1,159
Acquired office properties	3,868			162			2,750
Constructed and redeveloped properties placed in service										(1,273		)	(199		)	(1,074		)
Wholesale data center	2,661			2,212			449			(3,365		)	(2,661		)	(704		)
Properties held for sale	3,355			2,844			511			(568		)	(893		)	325
Dispositions	(4		)	4,198			(4,202		)	(239		)	(4,611		)	4,372
Other	145			168			(23		)	(415		)	(129		)	(286		)
	51,875			50,686			1,189			(48,519		)	(51,875		)	3,356

UJV NOI allocable to COPT										1,298			—			1,008

NOI from real estate operations
Same Office Properties	63,545			62,313			1,232			71,124			67,735			3,389
Constructed and developed office properties placed in service	4,132			811			3,321
Acquired office properties	5,342			170			5,172
Constructed and redeveloped properties placed in service										2,258			603			1,655
Wholesale data center	3,832			823			3,009			3,405			3,832			(427		)
Properties held for sale	4,311			3,826			485			1,219			1,145			74
Dispositions	76			4,126			(4,050		)	476			7,907			(7,431		)
Other	(26		)	(45		)	19			1,064			(10		)	1,074
	$	81,212		$	72,024		$	9,188		$	79,546		$	81,212		$	(1,666	)
Same Office Properties rent statistics
Average occupancy rate	90.1		%	90.3		%	-0.2		%	92.2		%	91.3		%	0.9		%
Average straight-line rent per occupied square foot (1)	$	6.09		$	6.11		$	(0.02	)	$	6.50		$	6.35		$	0.15


(1)	Includes minimum base rents, net of abatements, and lease incentives on a straight-line basis for the three-month periods set forth above.

Our Same Office Properties pool consisted of ~~145~~141 office properties, comprising ~~80.2%~~87.1% of our total operating office square footage as of March 31, ~~2016 (86.5%~~2017 (89.0% excluding the effect of properties held for sale). This pool of properties ~~changed~~included the following changes from the pool used for purposes of comparing ~~2015~~2016 and ~~2014~~2015 in our ~~2015~~2016 Annual Report on Form ~~10-K due to~~10-K: the addition of four properties placed in service ~~and~~that were 100% operational by January 1, 2016, three properties acquired in 2015 and two properties reclassified from held for sale in 2017; and the removal of ~~four same office properties~~one property reclassified to held for sale in ~~2016.~~2017.

Our NOI from constructed ~~office~~and redeveloped properties placed in service included ~~ten~~10 properties placed in service in ~~2015 and~~ 2016 and ~~our NOI from acquired office properties included our 2015 acquisitions of 250 W. Pratt Street, 2600 Park Tower Drive and 100 and 30 Light Street.~~

~~The increase in NOI from our wholesale data center was attributable to higher occupancy in the current period.~~

2017.

NOI from Service Operations


	For the Three Months Ended March 31,							For the Three Months Ended March 31,
	2016		2015		Variance			2017		2016		Variance
	(in thousands)							(in thousands)
Construction contract and other service revenues	$	11,220	$	38,324	$	(27,104	)	$	13,034	$	11,220	$	1,814
Construction contract and other service expenses	10,694		37,498		(26,804		)	12,486		10,694		1,792
NOI from service operations	$	526	$	826	$	(300	)	$	548	$	526	$	22

Construction contract and other service revenue and expenses ~~decreased~~increased due primarily to a ~~lower~~greater volume of construction activity in connection with several of our tenants. Construction contract activity is inherently subject to significant variability depending on the volume and nature of projects undertaken by us (primarily on behalf of tenants). Service operations are an ancillary component of our overall operations that typically contribute ~~little~~an insignificant amount of operating income relative to our real estate operations.

~~Depreciation and Amortization Expense~~

The increase in depreciation and amortization expense was attributable primarily to additional expense of $4.4 million from our office property acquisitions, partially offset by a decrease of $2.6 million attributable to disposed properties.

Impairment Losses

~~We recognized~~In the ~~following impairment losses~~first quarter of 2016, we reclassified to held for sale most of our properties in Greater Philadelphia (included in our Regional Office segment), two properties in the ~~current period:~~

~~$1.6 million on~~Fort Meade/BW Corridor sub-segment and our remaining land holdings in Colorado Springs, ~~the carrying amount~~Colorado, and recognized $2.4 million of which exceeded the estimated fair value less costs to sell. Most of these losses pertained to land we decided to sell during the quarter that was reclassified as held for sale, and the remainder was attributable to further decreases in fair value of properties previously classified as held for sale based on recent bids from and negotiations with prospective buyers; and

$847,000 on operating properties in White Marsh, Maryland classified as held for sale whose carrying amounts exceeded their estimated fair values less costs to sell based on recent negotiations with prospective buyers.impairment losses.

General, Administrative and Leasing Expenses

General, administrative and leasing expenses

~~The increase~~ decreased due primarily to our recognition in ~~general, administrative and leasing expenses was attributable to~~the prior period of $4.1 million in executive transition costs, ~~incurred~~representing mostly severance and termination benefits primarily in connection with executive departures, compared to $699,000 in such costs recognized in the current ~~period, mostly in connection with the departures of Mr. Waesche and Mr. Lingafelter.~~period.

Interest Expense

The ~~increase~~decrease in interest expense ~~was due primarily to:~~included: a ~~$1.6~~$2.0 million decrease in expense associated with hedge ineffectiveness on our interest rate swaps recognized in ~~interest expense in~~ the current period relative to the prior period; and ~~a 10% increase~~the effect of an 11% decrease in our average outstanding debt in the current period relative to the prior period.

Gain on Sales of Real Estate

We recognized gain on sales of real estate of ~~$4.0~~$4.2 million in the ~~prior~~current period in connection with a land ~~sales.~~

sale (discussed further in Note 4 to our consolidated financial statements).

Funds from Operations

Funds from operations (“FFO”) is defined as net income computed using GAAP, excluding gains on sales of, and impairment losses on, previously depreciated operating properties, plus real estate-related depreciation and amortization. When multiple properties consisting of both operating and non-operating properties exist on a single tax parcel, we classify all of the gains on sales of, and impairment losses on, the tax parcel as all being for previously depreciated operating properties when most of the value of the parcel is associated with operating properties on the parcel. FFO also includes adjustments to net income for the effects of the items noted above pertaining to UJVs that were allocable to our ownership interest in the UJVs. We believe that we use the National Association of Real Estate Investment Trusts (“NAREIT”) definition of FFO, although others may interpret the definition differently and, accordingly, our presentation of FFO may differ from those of other REITs. We believe that FFO is useful to management and investors as a supplemental measure of operating performance because, by excluding gains related to sales of, and impairment losses on, previously depreciated operating properties, net of related tax benefit, and excluding real estate-related depreciation and amortization, FFO can help one compare our operating performance between periods. In addition, since most equity REITs provide FFO information to the investment community, we believe that FFO is useful to investors as a

supplemental measure for comparing our results to those of other equity REITs. We believe that net income is the most directly comparable GAAP measure to FFO.

Since FFO excludes certain items includable in net income, reliance on the measure has limitations; management compensates for these limitations by using the measure simply as a supplemental measure that is weighed in the balance with other GAAP and non-GAAP measures. FFO is not necessarily an indication of our cash flow available to fund cash needs. Additionally, it should not be used as an alternative to net income when evaluating our financial performance or to cash flow from operating, investing and financing activities when evaluating our liquidity or ability to make cash distributions or pay debt service.

Basic FFO available to common share and common unit holders (“Basic FFO”) is FFO adjusted to subtract (1) preferred share dividends, (2) issuance costs associated with redeemed preferred shares, (3) income attributable to noncontrolling interests through ownership of preferred units in the Operating Partnership or interests in other consolidated entities not owned by us, (4) depreciation and amortization allocable to noncontrolling interests in other consolidated entities and (5) Basic FFO allocable to restricted shares. With these adjustments, Basic FFO represents FFO available to common shareholders and common unitholders. Common units in the Operating Partnership are substantially similar to our common shares and are exchangeable into common shares, subject to certain conditions. We believe that Basic FFO is useful to investors due to the close correlation of common units to common shares. We believe that net income is the most directly comparable GAAP measure to Basic FFO. Basic FFO has essentially the same limitations as FFO; management compensates for these limitations in essentially the same manner as described above for FFO.

Diluted FFO available to common share and common unit holders (“Diluted FFO”) is Basic FFO adjusted to add back any changes in Basic FFO that would result from the assumed conversion of securities that are convertible or exchangeable into common shares. We believe that Diluted FFO is useful to investors because it is the numerator used to compute Diluted FFO per share, discussed below. We believe that ~~the numerator for diluted EPS~~net income is the most directly comparable GAAP measure to Diluted FFO. Since Diluted FFO excludes certain items includable in the numerator to diluted EPS, reliance on the measure has limitations; management compensates for these limitations by using the measure simply as a supplemental measure that is weighed in the balance with other GAAP and non-GAAP measures. Diluted FFO is not necessarily an indication of our cash flow available to fund cash needs. Additionally, it should not be used as an alternative to net income when evaluating our financial performance or to cash flow from operating, investing and financing activities when evaluating our liquidity or ability to make cash distributions or pay debt service.

Diluted FFO available to common share and common unit holders, as adjusted for comparability is defined as Diluted FFO adjusted to exclude operating property acquisition costs; gains on sales of, and impairment losses on, properties other than previously depreciated operating properties, net of associated income tax; gain or loss on early extinguishment of debt; FFO associated with properties securing non-recourse debt on which we have defaulted and which we have extinguished, or expect to extinguish, via conveyance of such properties, including property NOI and interest ~~expense (discussed further below);~~expense; loss on interest rate derivatives; demolition costs on redevelopment properties; executive transition ~~costs;~~costs (including separation related compensation and replacement recruitment for Vice President level positions and above); and issuance costs associated with redeemed preferred shares. This measure also includes adjustments for the effects of the items noted above pertaining to UJVs that were allocable to our ownership interest in the UJVs. We believe ~~that the excluded items are not reflective of normal operations and, as a result, we believe that a measure that excludes these items is~~this to be a useful supplemental measure ~~in evaluating~~alongside Diluted FFO as it excludes gains and losses from certain investing and financing activities and certain other items that we believe are not closely correlated to (or associated with) our operating performance. The adjustment for FFO associated with properties securing non-recourse debt on which we have defaulted pertains to the periods subsequent to our default on one loan’s payment terms, which was the result of our decision to not support payments on the loan since the estimated fair value of the properties was less than the loan balance. While we continued as the legal owner of the properties during this period up until the transfer of ownership, all cash flows produced by them went directly to the lender and we did not fund any debt service shortfalls, which included incremental additional interest under the default rate of $2.0 million in the three months ended March 31, 2015. We believe that ~~the numerator to diluted EPS~~net income is the most directly comparable GAAP measure to this non-GAAP measure. This measure has essentially the same limitations as Diluted FFO, as well as the further limitation of not reflecting the effects of the excluded items; we compensate for these limitations in essentially the same manner as described above for Diluted FFO.

Diluted FFO per share is (1) Diluted FFO divided by (2) the sum of the (a) weighted average common shares outstanding during a period, (b) weighted average common units outstanding during a period and (c) weighted average number of potential additional common shares that would have been outstanding during a period if other securities that are convertible or exchangeable into common shares were converted or exchanged. We believe that Diluted FFO per share is useful to investors because it provides investors with a further context for evaluating our FFO results in the same manner that investors use earnings per share (“EPS”) in evaluating net income available to common shareholders. In addition, since most equity REITs provide Diluted FFO per share information to the investment community, we believe that Diluted FFO per share is a useful supplemental measure for comparing us to other equity REITs. We believe that diluted EPS is the most directly comparable

GAAP measure to Diluted FFO per share. Diluted FFO per share has most of the same limitations as Diluted FFO (described above); management compensates for these limitations in essentially the same manner as described above for Diluted FFO.

Diluted FFO per share, as adjusted for comparability is (1) Diluted FFO, as adjusted for comparability divided by (2) the sum of the (a) weighted average common shares outstanding during a period, (b) weighted average common units outstanding during a period and (c) weighted average number of potential additional common shares that would have been outstanding during a period if other securities that are convertible or exchangeable into common shares were converted or exchanged. We

believe that this measure is useful to investors because it provides investors with a further context for evaluating our FFO results. We believe this to be a useful supplemental measure alongside Diluted FFO per share as it excludes gains and losses from certain investing and financing activities and certain other items that we believe are not closely correlated to (or associated with) our operating performance. We believe that diluted EPS is the most directly comparable GAAP measure to this per share measure. This measure has most of the same limitations as Diluted FFO (described above) as well as the further limitation of not reflecting the effects of the excluded items; we compensate for these limitations in essentially the same manner as described above for Diluted FFO.

The computations for all of the above measures on a diluted basis assume the conversion of common units in COPLP but do not assume the conversion of other securities that are convertible into common shares if the conversion of those securities would increase per share measures in a given period.

We use measures called payout ratios as supplemental measures of our ability to make distributions to investors based on each of the following: FFO; Diluted FFO; and Diluted FFO, adjusted for comparability. These measures are defined as (1) the sum of (a) dividends on common shares and (b) distributions to holders of interests in COPLP and dividends on convertible preferred shares when such distributions and dividends are included in Diluted FFO divided by either (2) FFO, Diluted FFO or Diluted FFO, adjusted for comparability.

The table appearing ~~on the following page~~below sets forth the computation of the above stated measures for the three months ended March 31, ~~2016~~2017 and ~~2015,~~2016, and provides reconciliations to the GAAP measures of COPT and subsidiaries associated with such measures:


	For the Three Months Ended March 31,						For the Three Months Ended March 31,
	2016			2015			2017			2016
	(Dollars and shares in thousands, except per share data)						(Dollars and shares in thousands, except per share data)
Net income	$	8,096		$	14,735		$	23,088		$	8,096
Add Real estate-related depreciation and amortization	34,527			31,599			33,059			34,527
Add: Depreciation and amortization on UJV allocable to COPT							311			—
Add: Impairment losses on previously depreciated operating properties	847			233			—			847
Add: Gain on sales of previously depreciated operating properties							(19		)	—
FFO	43,470			46,567			56,439			43,470
Less: Preferred share dividends							(3,180		)	(3,552		)
Less: Noncontrolling interests-preferred units in the Operating Partnership	(165		)	(165		)	(165		)	(165		)
Less: FFO allocable to other noncontrolling interests	(1,027		)	(670		)	(978		)	(1,027		)
Less: Preferred share dividends	(3,552		)	(3,552		)
Basic and diluted FFO allocable to share-based compensation awards	(166		)	(183		)	(216		)	(166		)
Basic and diluted FFO available to common share and common unit holders	$	38,560		$	41,997		$	51,900		$	38,560
Add: Operating property acquisition costs	—			1,046
Less: Gain on sales of non-operating properties	—			(3,986		)
Gain on sales of non-operating properties							(4,219		)	—
Impairment losses on non-operating properties	1,599			—			—			1,599
Losses on interest rate derivatives	1,551			—
Add: (Gain) loss on early extinguishment of debt	(17		)	3
(Gain) loss on interest rate derivatives							(453		)	1,551
Gain on early extinguishment of debt							—			(17		)
Executive transition costs	4,137			—			699			4,137
Add: Negative FFO of properties conveyed to extinguish debt in default	—			4,271
Add: Demolition costs on redevelopment properties	208			175
Less: Diluted FFO comparability adjustments allocable to share-based compensation awards	(31		)	(7		)
Demolition costs on redevelopment properties							222			208
Diluted FFO comparability adjustments allocable to share-based compensation awards							14			(31		)
Diluted FFO available to common share and common unit holders, as adjusted for comparability	$	46,007		$	43,499		$	48,163		$	46,007

Weighted average common shares	94,203			93,199			98,411			94,203
Conversion of weighted average common units	3,677			3,732			3,446			3,677
Weighted average common shares/units - Basic FFO	97,880			96,931			101,857			97,880
Dilutive effect of share-based compensation awards	95			198			155			95
Weighted average common shares/units - Diluted FFO	97,975			97,129			102,012			97,975

Diluted FFO per share	$	0.39		$	0.43		$	0.51		$	0.39
Diluted FFO per share, as adjusted for comparability	$	0.47		$	0.45		$	0.47		$	0.47

Numerator for diluted EPS	$	3,156		$	9,681
Add: Income allocable to noncontrolling interests-common units in the Operating Partnership	127			398
Add: Real estate-related depreciation and amortization	34,527			31,599
Add: Impairment losses on previously depreciated operating properties	847			233
Add: Numerator for diluted EPS allocable to share-based compensation awards	118			122
Less: Depreciation and amortization allocable to noncontrolling interests in other consolidated entities	(197		)	(187		)
Add: Increase in noncontrolling interests unrelated to earnings	148			334
Less: Basic and diluted FFO allocable to share-based compensation awards	(166		)	(183		)
Basic FFO available to common share and common unit holders	$	38,560		$	41,997
Add: Operating property acquisition costs	—			1,046
Less: Gain on sales of non-operating properties	—			(3,986		)
Impairment losses on non-operating properties	1,599			—
Losses on interest rate derivatives	1,551			—
Add: (Gain) loss on early extinguishment of debt	(17		)	3
Executive transition costs	4,137			—
Add: Negative FFO on properties conveyed to extinguish debt in default	—			4,271
Add: Demolition costs on redevelopment properties	208			175
Less: Diluted FFO comparability adjustments allocable to share-based compensation awards	(31		)	(7		)
Diluted FFO available to common share and common unit holders, as adjusted for comparability	$	46,007		$	43,499

Denominator for diluted EPS	94,298			93,397			98,566			94,298
Weighted average common units	3,677			3,732			3,446			3,677
Denominator for diluted FFO per share measures	97,975			97,129			102,012			97,975

Property Additions

The table below sets forth the major components of our additions to properties for the three months ended March 31, ~~2016~~2017 (in thousands):


Construction, development and redevelopment	$	61,957		$	33,434
Tenant improvements on operating properties	8,732		(1)	4,804		(1)
Capital improvements on operating properties	3,862			3,213
	$	74,551		$	41,451	��

(1) Tenant improvement costs incurred on newly-constructed properties are classified in this table as construction, development and redevelopment.

Cash Flows

Net cash flow provided by operating activities increased ~~$5.5~~$13.2 million when comparing the three months endedMarch 31, ~~2016~~2017 and ~~2015 due primarily to:~~

~~a $9.2 million~~2016. This increase ~~in cash flow from real estate operations due primarily to properties acquired and placed in service since the prior period; and~~

~~a $4.9~~included an $11.8 million increase in cash flow from construction ~~contract~~contracts and other services ~~from the prior to the current period~~ due in large part to the timing of cash ~~payments~~collections and ~~collections~~payments on third party construction ~~projects; offset in part~~services.

Net cash flow provided by

~~an $8.6~~ investing activities increased $58.0 million ~~increase in interest expense paid from~~when comparing the ~~prior to the current period~~three months ended March 31, 2017 and 2016 due primarily to ~~a $7.6 million~~an increase ~~due~~in property sales in 2017 relative to ~~the timing of interest payments resulting from new debt requiring interest payments semi-annually rather than monthly.~~2016.

Net cash flow used in ~~investing~~financing activities ~~decreased~~ ~~$62.3 million~~ ~~when comparing~~in the three months endedMarch 31, ~~2016~~2017 was $46.0 million, and ~~2015 due primarily~~included the following:

dividends and/or distributions to ~~cash paid for operating property acquisitions~~equity holders of $31.8 million; and

redemption of preferred shares (or units) of $26.6 million; offset in part by

net proceeds from the ~~prior period.~~issuance of common shares (or units) of $18.2 million.

Net cash flow provided by financing activities in the three months endedMarch 31, 2016 was ~~$10.8~~$10.8 million,, and included the following:

net proceeds from debt borrowings of $61.7 million; offset in part by

dividends and/or distributions to equity holders of $30.7 ~~million~~million; and

distributions to redeemable noncontrolling interests of $13.8 million related primarily to distributions to our partner in Stevens Investors, LLC, as discussed in ~~Note 5 to the consolidated financial statements.~~

~~Net cash flow provided by financing activities in the~~ ~~three months endedMarch 31, 2015~~ ~~was~~ ~~$74.8 million, and included the following:~~

~~net proceeds from debt borrowings of~~ ~~$79.3 million; offset in part by~~

~~net proceeds from the issuance of common shares (or units) of $28.4 million; and~~

~~dividends and/or distributions to equity holders of~~ ~~$30.4 million~~.

our 2016 Annual Report on Form 10-K.

Liquidity and Capital Resources of COPT

COPLP is the entity through which COPT, the sole general partner of COPLP, conducts almost all of its operations and owns almost all of its assets. COPT issues public equity from time to time, but does not otherwise generate any capital itself or conduct any business itself, other than incurring certain expenses in operating as a public company which are fully reimbursed by COPLP. COPT itself does not hold any indebtedness, and its only material asset is its ownership of partnership interests of COPLP. COPT’s principal funding requirement is the payment of dividends on its common and preferred shares. COPT’s principal source of funding for its dividend payments is distributions it receives from COPLP.

As of March 31, ~~2016~~2017, COPT owned ~~96.3%~~96.7% of the outstanding common units and ~~95.5%~~95.1% of the outstanding preferred units in COPLP; the remaining common and preferred units in COPLP were owned by third parties. As the sole general partner of COPLP, COPT has the full, exclusive and complete responsibility for COPLP’s day-to-day management and control.

The liquidity of COPT is dependent on COPLP’s ability to make sufficient distributions to COPT. The primary cash requirement of COPT is its payment of dividends to its shareholders. COPT also guarantees some of the Operating Partnership’s debt, as discussed further in Note 8 of the notes to consolidated financial statements included elsewhere herein. If

the Operating Partnership fails to fulfill certain of its debt requirements, which trigger COPT’s guarantee obligations, then COPT will be required to fulfill its cash payment commitments under such guarantees. However, COPT’s only significant asset is its investment in COPLP.

As discussed further below, we believe the Operating Partnership’s sources of working capital, specifically its cash flow from operations, and borrowings available under its unsecured line of credit, are adequate for it to make its distribution payments to COPT and, in turn, for COPT to make its dividend payments to its shareholders.

COPT’s short-term liquidity requirements consist primarily of funds to pay for future dividends expected to be paid to its shareholders. COPT periodically accesses the public equity markets to raise capital by issuing common and/or preferred shares.

For COPT to maintain its qualification as a REIT, it must pay dividends to its shareholders aggregating annually at least 90% of its ordinary taxable income. As a result of this distribution requirement, it cannot rely on retained earnings to fund its ongoing operations to the same extent that some other companies can. COPT may need to continue to raise capital in the equity markets to fund COPLP’s working capital needs, acquisitions and developments.

Liquidity and Capital Resources of COPLP

Our primary cash requirements are for operating expenses, debt service, development of new properties, improvements to existing properties and ~~acquisitions.~~acquisitions, to the extent they are pursued in the future. We expect to continue to use cash flow provided by operations as the primary source to meet our short-term capital needs, including property operating expenses, general and administrative expenses, interest expense, scheduled principal amortization of debt, distributions to our security holders and improvements to existing properties. As of March 31, ~~2016,~~2017, we had ~~$62.5~~$226.5 million in cash and cash equivalents.

Our senior unsecured debt is currently rated investment grade by the three major rating agencies. We aim to maintain an investment grade rating to enable us to use debt comprised of unsecured, primarily fixed-rate debt (including the effect of interest rate swaps) from public markets and banks. We also use secured nonrecourse debt from institutional lenders and banks, when appropriate. In addition, we periodically access the public equity markets to raise capital by issuing common and/or preferred shares.

We use our Revolving Credit Facility to initially finance much of our investing activities. We subsequently pay down the facility using proceeds from long-term borrowings, equity issuances and property sales. The lenders’ aggregate commitment under the facility is $800.0 million, with the ability for us to increase the lenders’ aggregate commitment to $1.3 billion, provided that there is no default under the facility and subject to the approval of the lenders. Amounts available under the facility are computed based on 60% of our unencumbered asset value, as defined in the loan agreement. The Revolving Credit Facility matures in May 2019, and may be extended by two six-month periods at our option, provided that there is no default under the facility and we pay an extension fee of 0.075% of the total availability of the facility. As of March 31, ~~2016~~2017, the maximum borrowing capacity under this facility totaled $800.0 million, all of which ~~$678.2 million~~was available.

~~In addition, as of March 31, 2016, we have $150.0 million available to be drawn upon under an unsecured term loan.~~

We believe that our liquidity and capital resources are adequate for our near-term and longer-term requirements without necessitating property sales. We do, however, expect to raise ~~at least $440~~an estimated $40 million from sales of interests in properties ~~in 2016~~

during the remainder of 2017 and use the proceeds to ~~repay borrowings and~~ fund development costs.

The following table summarizes our contractual obligations as of March 31, ~~2016~~2017 (in thousands):


	For the Periods Ending December 31,														For the Periods Ending December 31,
	2016		2017		2018		2019		2020		Thereafter		Total		2017		2018		2019		2020		2021		Thereafter		Total
Contractual obligations (1)
Debt (2)
Balloon payments due upon maturity	$	201,711	$	—	$	—	$	227,000	$	312,132	$	1,391,229	$	2,132,072	$	—	$	—	$	—	$	312,132	$	300,000	$	1,276,829	$	1,888,961
Scheduled principal payments	4,548		3,252		3,400		3,514		3,120		8,974		26,808		3,053		4,241		4,387		4,024		3,875		10,680		30,260
Interest on debt (3)	58,341		69,496		69,355		66,778		60,522		157,283		481,775		53,921		71,668		71,484		66,898		57,705		116,244		437,920
New development and redevelopment obligations (4)(5)	41,278		16,611		2,198		—		—		—		60,087		112,745		12,604		2,615		—		—		—		127,964
Third-party construction and development obligations (5)(6)	13,890		3,764		—		—		—		—		17,654		6,723		—		—		—		—		—		6,723
Capital expenditures for operating properties (5)(7)	30,808		9,028		5,060		—		—		—		44,896		22,187		20,825		8,779		—		—		—		51,791
Operating leases (8)	896		1,123		1,076		1,051		1,067		86,800		92,013		985		1,290		1,269		1,261		1,260		85,762		91,827
Other obligations(8)	1,140		852		451		371		134		5		2,953		486		380		342		153		39		9		1,409
Total contractual cash obligations	$	352,612	$	104,126	$	81,540	$	298,714	$	376,975	$	1,644,291	$	2,858,258	$	200,100	$	111,008	$	88,876	$	384,468	$	362,879	$	1,489,524	$	2,636,855


(1)	The contractual obligations set forth in this table exclude property operations contracts that may be terminated with notice of one month or ~~less.~~less and also exclude accruals and payables incurred and therefore reflected in our reported liabilities.

(2)

Represents scheduled principal amortization payments and maturities only and therefore excludes net debt discounts and deferred financing costs of ~~$18.7 million. We expect to repay most of our debt maturing in 2016 using proceeds from an unsecured term loan with $150.0 million in available capacity. As of~~ ~~March 31, 2016, maturities include $107.0 million in 2019 that may be extended to 2020, subject to certain conditions.~~

$15.6 million.


(3)	Represents interest costs for our outstanding debt as of March 31, ~~2016~~2017 for the terms of such debt. For variable rate debt, the amounts reflected above used March 31, ~~2016~~2017 interest rates on variable rate debt in computing interest costs for the terms of such debt.


(4)	Represents contractual obligations pertaining to new development and redevelopment activities.


(5)	Due to the long-term nature of certain construction and development contracts and leases included in these lines, the amounts reported in the table represent our estimate of the timing for the related obligations being payable.


(6)	Represents contractual obligations pertaining to projects for which we are acting as construction manager on behalf of unrelated parties who are our clients. We expect to be reimbursed in full for these costs by our clients.


(7)	Represents contractual obligations pertaining to ~~recurring and nonrecurring~~ capital expenditures for our operating properties. We expect to finance these costs primarily using cash flow from operations.


(8)	We expect to pay these items using cash flow from operations.

We expect to spend approximately ~~$170~~$180 million on construction and development costs and approximately ~~$50~~$40 million on improvements to operating properties (including the commitments set forth in the table above) during the remainder of ~~2016.~~2017. We expect to fund the construction and development costs using primarily ~~cash on hand and~~ borrowings under our Revolving Credit ~~Facility. We expect to use~~Facility and proceeds from ~~the disposition of properties to repay borrowings under our Revolving Credit Facility.~~property dispositions. We expect to fund improvements to existing operating properties using cash flow from operations.

Certain of our debt instruments require that we comply with a number of restrictive financial covenants, including maximum leverage ratio, unencumbered leverage ratio, minimum net worth, minimum fixed charge coverage, minimum unencumbered interest coverage ratio, minimum debt service and maximum secured indebtedness ratio. As of March 31, ~~2016~~2017, we were in compliance with these financial covenants.

Off-Balance Sheet Arrangements

We had no material off-balance sheet arrangements during the three months ended March 31, ~~2016.~~2017.

Inflation

Most of our tenants are obligated to pay their share of a ~~building’s~~property’s operating expenses to the extent such expenses exceed amounts established in their leases, which are based on historical expense levels. Some of our tenants are obligated to pay their full share of a building’s operating expenses. These arrangements somewhat reduce our exposure to increases in such costs resulting from inflation.

Recent Accounting Pronouncements

See Note 2 to our consolidated financial statements for information regarding recent accounting pronouncements.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

We are exposed to certain market risks, one of the most predominant of which is a change in interest rates. Increases in interest rates can result in increased interest expense under our Revolving Credit Facility and other variable rate debt. Increases in interest rates can also result in increased interest expense when our fixed rate debt matures and needs to be refinanced.

The following table sets forth as of March 31, ~~2016~~2017 our debt obligations and weighted average interest rates on debt maturing each year (dollars in thousands):


	For the Periods Ending December 31,																					For the Periods Ending December 31,
	2016			2017			2018			2019			2020			Thereafter			Total			2017			2018			2019			2020			2021			Thereafter			Total
Debt:
Fixed rate debt (1)	$	170,191		$	2,883		$	3,017		$	3,118		$	2,814		$	1,300,203		$	1,482,226		$	2,776		$	3,858		$	3,991		$	3,718		$	303,875		$	1,037,509		$	1,355,727
Weighted average interest rate	7.19		%	4.49		%	4.52		%	4.51		%	4.01		%	4.31		%	4.65		%	4.35		%	4.37		%	4.36		%	3.96		%	3.70		%	4.47		%	4.30		%
Variable rate debt ~~(2)~~	$	36,068		$	369		$	383		$	227,396		$	312,438		$	100,000		$	676,654		$	277		$	383		$	396		$	312,438		$	—		$	250,000		$	563,494
Weighted average interest rate ~~(3)~~(2)	2.44		%	2.29		%	2.29		%	2.10		%	1.86		%	2.24		%	2.03		%	2.63		%	2.63		%	2.63		%	2.21		%	—		%	2.59		%	2.38		%


(1)	Represents principal maturities only and therefore excludes net discounts and deferred financing costs of ~~$18.7~~$15.6 million.


(2)	~~As of~~ ~~March 31, 2016, maturities include $107.0 million in 2019 that may be extended to 2020, subject to certain conditions.~~


~~(3)~~	The amounts reflected above used interest rates as of March 31, ~~2016 interest rates on~~2017 for variable rate debt.

The fair value of our debt was $~~2.2~~1.9 billion as of March 31, ~~2016~~2017. If interest rates had been 1% lower, the fair value of our fixed-rate debt would have increased by approximately $~~110~~99 million as of March 31, ~~2016~~2017.

~~The following table sets forth~~See Note 9 to our consolidated financial statements for information pertaining to interest rate swap contracts in place as of March 31, ~~2016~~2017 ~~and December 31, 2015~~ and their respective fair ~~values (dollars in thousands):~~values.

Fair Value at
Notional Amount Fixed Rate Floating Rate Index Effective Date Expiration Date March 31,
2016 December 31,
2015
$ 100,000
0.8055% One-Month LIBOR 9/2/2014 9/1/2016 $ (137 ) $ (148 )
100,000
0.8100% One-Month LIBOR 9/2/2014 9/1/2016 (139 ) (151 )
100,000
1.6730% One-Month LIBOR 9/1/2015 8/1/2019 (2,738 ) (1,217 )
100,000
1.7300% One-Month LIBOR 9/1/2015 8/1/2019 (2,929 ) (1,429 )
13,853
(1) 1.3900% One-Month LIBOR 10/13/2015 10/1/2020 (242 ) 53
100,000
1.9013% One-Month LIBOR 9/1/2016 12/1/2022 (3,601 ) (138 )
100,000
1.9050% One-Month LIBOR 9/1/2016 12/1/2022 (3,511 ) (45 )
50,000
1.9079% One-Month LIBOR 9/1/2016 12/1/2022 (1,775 ) (32 )

$ (15,072 ) $ (3,107 )


~~(1)~~	~~The notional amount of this instrument is scheduled to amortize to~~ ~~$12.1 million~~.

Based on our variable-rate debt balances, including the effect of interest rate swap contracts, our interest expense would have increased by $~~673,000~~250,000 in the three months ended March 31, ~~2016~~2017 if the one-month LIBOR rate was 1% higher.

Item 4. Controls and Procedures

COPT

(a) Evaluation of Disclosure Controls and Procedures

The Company’s management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of its disclosure controls and procedures (as defined in Rule 13a-15(e) under the Exchange Act) as of March 31, ~~2016~~2017. Based on this evaluation, our Chief Executive Officer and Chief Financial Officer concluded that the Company’s disclosure controls and procedures as of March 31, ~~2016~~2017 were functioning effectively to provide reasonable assurance that the information required to be disclosed by the Company in reports filed or submitted under the Securities Exchange Act of 1934 is (i) recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and (ii) accumulated and communicated to the Company’s management, including its principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

(b) Change in Internal Control over Financial Reporting

No change in the Company’s internal control over financial reporting occurred during the most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, its internal control over financial reporting.

COPLP

(a) Evaluation of Disclosure Controls and Procedures

The Operating Partnership’s management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of its disclosure controls and procedures (as defined in Rule 15d-15(e) under the Exchange Act) as of March 31, ~~2016~~2017. Based on this evaluation, our Chief Executive Officer and Chief Financial Officer concluded that the Operating Partnership’s disclosure controls and procedures as of March 31, ~~2016~~2017 were functioning effectively to provide reasonable assurance that the information required to be disclosed by the Operating Partnership in reports filed or submitted under the Securities Exchange Act of 1934 is (i) recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and (ii) accumulated and communicated to the Operating Partnership’s management, including its principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

(b) Change in Internal Control over Financial Reporting

No change in the Operating Partnership’s internal control over financial reporting occurred during the most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, its internal control over financial reporting.

PART IIII: OTHER INFORMATION

Item 1. Legal Proceedings

We are not currently involved in any material litigation nor, to our knowledge, is any material litigation currently threatened against the Company or the Operating Partnership (other than routine litigation arising in the ordinary course of business, substantially all of which is expected to be covered by liability insurance).

Item 1A. Risk Factors

There have been no material changes to the risk factors included in our ~~2014~~2016 Annual Report on Form 10-K.

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

(a)

~~Not applicable~~During the three months ended March 31, 2017, 185,000 of COPLP’s common units were exchanged for 185,000 COPT common shares in accordance with COPLP’s Second Amended and Restated Limited Partnership Agreement, as amended. The issuance of these common shares was effected in reliance upon the exemption from registration under Section 4(a)(2) of the Securities Act of 1933, as amended.

(b) Not applicable

Item 3. Defaults Upon Senior Securities

(a) Not applicable

(b) Not applicable

Item 4. Mine Safety Disclosures

Not applicable

Item 5. Other Information

None

Item 6. Exhibits

(a) Exhibits:



EXHIBIT NO.		DESCRIPTION
~~10.1~~		Separation Agreement, dated February 11, 2016, between Corporate Office Properties Trust, Corporate Office Properties, L.P., and Roger A. Waesche, Jr. (filed with the Company’s Current Report on Form 8-K dated February 12, 2016 and incorporated herein by reference).

~~10.2~~		Separation Agreement, dated February 26, 2016, between Corporate Office Properties Trust, Corporate Office Properties, L.P., and Wayne H. Lingafelter (filed with the Company’s Current Report on Form 8-K dated March 3, 2016 and incorporated herein by reference).

12.1		COPT’s Statement regarding Computation of Earnings to Combined Fixed Charges and Preferred Share Dividends (filed herewith).

12.2		COPLP’s Statement regarding Computation of Consolidated Ratio of Earnings to Fixed Charges (filed herewith).

31.1		Certification of the Chief Executive Officer of Corporate Office Properties Trust required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended (filed herewith).

31.2		Certification of the Chief Financial Officer of Corporate Office Properties Trust required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended (filed herewith).

31.3		Certification of the Chief Executive Officer of Corporate Office Properties, L.P. required by Rule 15d-14(a) under the Securities Exchange Act of 1934, as amended (filed herewith).

31.4		Certification of the Chief Financial Officer of Corporate Office Properties, L.P. required by Rule 15d-14(a) under the Securities Exchange Act of 1934, as amended (filed herewith).

32.1		Certification of the Chief Executive Officer of Corporate Office Properties Trust required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Exchange Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.) (Furnished herewith).

32.2		Certification of the Chief Financial Officer of Corporate Office Properties Trust required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Exchange Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended). (Furnished herewith).

32.3		Certification of the Chief Executive Officer of Corporate Office Properties, L.P. required by Rule 15d-14(b) under the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Exchange Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.) (Furnished herewith).

32.4		Certification of the Chief Financial Officer of Corporate Office Properties, L.P. required by Rule 15d-14(b) under the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Exchange Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended). (Furnished herewith).

101.INS		XBRL Instance Document (filed herewith).

101.SCH		XBRL Taxonomy Extension Schema Document (filed herewith).

101.CAL		XBRL Taxonomy Extension Calculation Linkbase Document (filed herewith).

101.LAB		XBRL Extension Labels Linkbase (filed herewith).

101.PRE		XBRL Taxonomy Extension Presentation Linkbase Document (filed herewith).

101.DEF		XBRL Taxonomy Extension Definition Linkbase Document (filed herewith).

SIGNATURES

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



	CORPORATE OFFICE PROPERTIES TRUST		CORPORATE OFFICE PROPERTIES, L.P.
			By: Corporate Office Properties Trust,
			its General Partner

	/s/ ~~Roger A. Waesche, Jr.~~Stephen E. Budorick		/s/ ~~Roger A. Waesche, Jr.~~Stephen E. Budorick
	~~Roger A. Waesche, Jr.~~Stephen E. Budorick		~~Roger A. Waesche, Jr.~~Stephen E. Budorick
	President and Chief Executive Officer		President and Chief Executive Officer


	/s/ Anthony Mifsud		/s/ Anthony Mifsud
	Anthony Mifsud		Anthony Mifsud
	Executive Vice President and Chief Financial Officer		Executive Vice President and Chief Financial Officer

Dated:	~~May 3, 2016~~April 28, 2017	Dated:	~~May 3, 2016~~April 28, 2017

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