10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

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

For the quarterly period ended March 31, 2013

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

For the transition period from                to                 

Commission File Number: 1-13199

SL GREEN REALTY CORP.

(Exact name of registrant as specified in its charter)

Maryland	13-3956775
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

420 Lexington Avenue, New York, New York 10170

(Address of principal executive offices) (Zip Code)

(212) 594-2700

(Registrant’s telephone number, including area code)

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

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). YES x NO o

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

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

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

The number of shares outstanding of the registrant’s common stock, $0.01 par value, was 91,597,800 as of April 30, 2013.

SL GREEN REALTY CORP.

INDEX

		PAGE
PART I.	FINANCIAL INFORMATION
ITEM 1.	FINANCIAL STATEMENTS
	Consolidated Balance Sheets as of March 31, 2013 (unaudited) and December 31, 2012	3
	Consolidated Statements of Income for the three months ended March 31, 2013 and 2012 (unaudited)	4
	Consolidated Statements of Comprehensive Income for the three months ended March 31, 2013 and 2012 (unaudited)	5
	Consolidated Statement of Equity for the three months ended March 31, 2013 (unaudited)	6
	Consolidated Statements of Cash Flows for the three months ended March 31, 2013 and 2012 (unaudited)	7
	Notes to Consolidated Financial Statements (unaudited)	8
ITEM 2.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	39
ITEM 3.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	55
ITEM 4.	CONTROLS AND PROCEDURES	55
PART II.	OTHER INFORMATION	56
ITEM 1.	LEGAL PROCEEDINGS	56
ITEM 1A.	RISK FACTORS	56
ITEM 2.	UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS	56
ITEM 3.	DEFAULTS UPON SENIOR SECURITIES	56
ITEM 4.	MINE SAFETY DISCLOSURES	56
ITEM 5.	OTHER INFORMATION	56
ITEM 6.	EXHIBITS	57
SIGNATURES		58

2

PART I.FINANCIAL INFORMATION

ITEM 1.Financial Statements

SL Green Realty Corp.

Consolidated Balance Sheets

(Amounts in thousands, except per share data)

	March 31,2013			December 31, 2012
	(Unaudited)
Assets
Commercial real estate properties, at cost:
Land and land interests	$	2,886,099		$	2,886,099
Building and improvements	7,452,347			7,389,766
Building leasehold and improvements	1,346,481			1,346,748
Properties under capital lease	47,179			40,340
	11,732,106			11,662,953
Less: accumulated depreciation	(1,461,775		)	(1,393,323		)
	10,270,331			10,269,630
Assets held for sale	—			4,901
Cash and cash equivalents	220,104			189,984
Restricted cash	130,233			136,071
Investment in marketable securities	22,994			21,429
Tenant and other receivables, net of allowance of $20,947 and $21,652 in 2013 and 2012, respectively	41,950			48,544
Related party receivables	11,169			7,531
Deferred rents receivable, net of allowance of $28,475 and $29,580 in 2013 and 2012, respectively	355,250			340,747
Debt and preferred equity investments, net of discount of $11,251 and $13,572 and allowance of $7,000 both in 2013 and 2012, respectively	1,443,834			1,357,203
Investments in unconsolidated joint ventures	1,073,130			1,032,243
Deferred costs, net	252,018			261,145
Other assets	722,952			718,326
Total assets	$	14,543,965		$	14,387,754
Liabilities
Mortgages and other loans payable	$	4,815,485		$	4,615,464
Revolving credit facility	30,000			70,000
Term loan and senior unsecured notes	1,732,588			1,734,956
Accrued interest payable and other liabilities	73,666			73,769
Accounts payable and accrued expenses	143,812			159,598
Deferred revenue	322,317			321,764
Capitalized lease obligations	43,404			37,518
Deferred land leases payable	19,750			20,897
Dividend and distributions payable	37,737			37,839
Security deposits	49,803			46,253
Liabilities related to assets held for sale	—			136
Junior subordinate deferrable interest debentures held by trusts that issued trust preferred securities	100,000			100,000
Total liabilities	7,368,562			7,218,194
Commitments and contingencies	—			—
Noncontrolling interest in the Operating Partnership	220,174			212,907
Series G preferred units, $25.00 liquidation preference, 1,902 issued and outstanding at both March 31, 2013 and December 31, 2012, respectively	47,550			47,550
Series H preferred units, $25.00 liquidation preference, 80 issued and outstanding at both March 31, 2013 and December 31, 2012, respectively	2,000			2,000
Equity
SL Green stockholders’ equity:
Series C preferred stock, $0.01 par value, $25.00 liquidation preference, 7,700 issued and outstanding at both March 31, 2013 and December 31, 2012, respectively	180,340			180,340
Series I preferred stock, $0.01 par value, $25.00 liquidation preference, 9,200 issued and outstanding at both March 31, 2013 and December 31, 2012, respectively	221,932			221,965
Common stock, $0.01 par value 160,000 shares authorized and 95,201 and 94,896 issued and outstanding at March 31, 2013 and December 31, 2012, respectively (including 3,646 and 3,646 shares held in Treasury at March 31, 2013 and December 31, 2012, respectively)	953			950
Additional paid-in-capital	4,697,528			4,667,900
Treasury stock at cost	(322,858		)	(322,858		)
Accumulated other comprehensive loss	(26,117		)	(29,587		)
Retained earnings	1,665,468			1,701,092
Total SL Green stockholders’ equity	6,417,246			6,419,802
Noncontrolling interests in other partnerships	488,433			487,301
Total equity	6,905,679			6,907,103
Total liabilities and equity	$	14,543,965		$	14,387,754

The accompanying notes are an integral part of these financial statements.

3

SL Green Realty Corp.

Consolidated Statements of Income

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

	Three Months Ended March 31,
	2013			2012
Revenues
Rental revenue, net	$	270,489		$	260,762
Escalation and reimbursement	41,000			41,656
Investment and preferred equity income	52,708			26,338
Other income	5,774			10,377
Total revenues	369,971			339,133
Expenses
Operating expenses, including approximately $4,150 (2013) and $3,471 (2012) paid to related parties	73,633			73,254
Real estate taxes	53,688			51,480
Ground rent	10,990			8,806
Interest expense, net of interest income	81,336			80,137
Amortization of deferred financing costs	4,463			3,580
Depreciation and amortization	80,683			77,069
Loan loss and other investment reserves, net of recoveries	—			564
Transaction related costs	1,358			1,056
Marketing, general and administrative	21,067			20,196
Total expenses	327,218			316,142
Income from continuing operations before equity in net income (loss) from unconsolidated joint ventures, equity in net gain on sale of interest in unconsolidated joint venture/real estate, noncontrolling interests and discontinued operations	42,753			22,991
Equity in net income (loss) from unconsolidated joint ventures	5,073			(1,560		)
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	—			7,260
Loss on sale of investment in marketable securities	(57		)	—
Loss on early extinguishment of debt	(18,513		)	—
Income from continuing operations	29,256			28,691
Net loss from discontinued operations	(32		)	(161		)
Gain on sale of discontinued operations	1,113			6,627
Net income	30,337			35,157
Net income attributable to noncontrolling interests:
Noncontrolling interests in the Operating Partnership	(555		)	(888		)
Noncontrolling interests in other partnerships	(2,901		)	(1,071		)
Preferred unit distributions	(565		)	(397		)
Net income attributable to SL Green	26,316			32,801
Perpetual preferred stock dividends	(7,407		)	(7,545		)
Net income attributable to SL Green common stockholders	$	18,909		$	25,256
Amounts attributable to SL Green common stockholders:
Income from continuing operations	$	17,859		$	11,997
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	—			7,014
Net loss from discontinued operations	(31		)	(157		)
Gain on sale of discontinued operations	1,081			6,402
Net income	$	18,909		$	25,256
Basic earnings per share:
Net income from continuing operations before discontinued operations	$	0.20		$	0.14
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	—			0.08
Net loss from discontinued operations	—			—
Gain on sale of discontinued operations	0.01			0.07
Net income attributable to SL Green common stockholders	$	0.21		$	0.29
Diluted earnings per share:
Net income from continuing operations before discontinued operations	$	0.20		$	0.14
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	—			0.08
Net loss from discontinued operations	—			—
Gain on sale of discontinued operations	0.01			0.07
Net income attributable to SL Green common stockholders	$	0.21		$	0.29
Dividends per share	$	0.33		$	0.25
Basic weighted average common shares outstanding	91,399			86,744
Diluted weighted average common shares and common share equivalents outstanding	94,302			90,173

The accompanying notes are an integral part of these financial statements.

4

SL Green Realty Corp.

Consolidated Statements of Comprehensive Income

(Unaudited, and amounts in thousands)

	Three Months Ended March 31,
	2013			2012
Net income	$	30,337		$	35,157
Other comprehensive income:
Net unrealized loss on derivative instruments	(41		)	(146		)
Reclassification of net realized loss on derivatives designated as cashflow hedges into interest expense	468			460
SL Green’s share of joint venture net unrealized gain on derivative instruments	221			58
Reclassification of SL Green’s share of joint venture net realized loss on derivatives designated as cashflow hedges into equity in net income from unconsolidated joint ventures	1,240			2,743
Unrealized gain on marketable securities	1,641			770
Other comprehensive income	3,529			3,885
Comprehensive income	33,866			39,042
Net income attributable to noncontrolling interests	(4,021		)	(2,356		)
Other comprehensive (loss) income attributable to noncontrolling interests in the Operating Partnership	(59		)	184
Comprehensive income attributable to SL Green common stockholders	$	29,786		$	36,870

The accompanying notes are an integral part of these financial statements.

5

SL Green Realty Corp.

Consolidated Statement of Equity

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

	SL Green Realty Corp. Stockholders
	Series C		Series I			Common Stock			Additional						Accumulated Other
	Preferred Stock		Preferred Stock			Shares	Par Value		Paid- In-Capital			Treasury Stock			Comprehensive Income (Loss)			Retained Earnings			Noncontrolling Interests			Total
Balance at December 31, 2012	$	180,340	$	221,965		91,250	$	950	$	4,667,900		$	(322,858	)	$	(29,587	)	$	1,701,092		$	487,301		$	6,907,103
Net income																		26,316			2,901			29,217
Other comprehensive income															3,470									3,470
Preferred dividends																		(7,407		)				(7,407		)
DRIP proceeds									13															13
Conversion of units of the Operating Partnership to common stock						224	2		17,285															17,287
Reallocation of noncontrolling interest in the Operating Partnership																		(24,016		)				(24,016		)
Amortization of deferred compensation plan						2			7,822															7,822
Preferred stock issuance costs			(33		)																			(33		)
Common stock issuance costs						—			(24		)													(24		)
Proceeds from stock options exercised						79	1		4,532															4,533
Contributions to consolidated joint venture																					3,110			3,110
Cash distributions to noncontrolling interests																					(4,879		)	(4,879		)
Cash distribution declared ($0.33 per common share, none of which represented a return of capital for federal income tax purposes)																		(30,517		)				(30,517		)
Balance at March 31, 2013	$	180,340	$	221,932		91,555	$	953	$	4,697,528		$	(322,858	)	$	(26,117	)	$	1,665,468		$	488,433		$	6,905,679

The accompanying notes are an integral part of these financial statements.

6

SL Green Realty Corp.

Consolidated Statements of Cash Flows

(Unaudited, and amounts in thousands)

	Three Months Ended March 31,
	2013			2012
Operating Activities
Net income	$	30,337		$	35,157
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	85,146			80,663
Equity in net (income) loss from unconsolidated joint ventures	(5,073		)	1,560
Distributions of cumulative earnings from unconsolidated joint ventures	6,901			4,408
Equity in net gain on sale of interest in unconsolidated joint venture interest/real estate	—			(7,260		)
Gain on sale of discontinued operations	(1,113		)	(6,627		)
Loan loss and other investment reserves, net of recoveries	—			564
Loss on early extinguishment of debt	18,513			—
Deferred rents receivable	(13,923		)	(21,123		)
Other non-cash adjustments	(22,115		)	5,554
Changes in operating assets and liabilities:
Restricted cash — operations	5,447			(12,771		)
Tenant and other receivables	7,409			14
Related party receivables	(3,638		)	(3,664		)
Deferred lease costs	(4,646		)	(7,152		)
Other assets	(21,185		)	(24,230		)
Accounts payable, accrued expenses and other liabilities	869			4,118
Deferred revenue and land leases payable	19,596			7,620
Net cash provided by operating activities	102,525			56,831
Investing Activities
Acquisitions of real estate property	(48,500		)	(145,558		)
Additions to land, buildings and improvements	(11,617		)	(32,561		)
Escrowed cash — capital improvements/acquisition deposits	191			(1,533		)
Investments in unconsolidated joint ventures	(49,996		)	(105,633		)
Distributions in excess of cumulative earnings from unconsolidated joint ventures	5,333			16,652
Net proceeds from disposition of real estate/joint venture interest	5,852			23,088
Other investments	(10,146		)	(40,016		)
Debt and preferred equity and other investments, net of repayments/participations	(65,607		)	(8,631		)
Net cash used in investing activities	(174,490		)	(294,192		)
Financing Activities
Proceeds from mortgages and other loans payable	980,333			108,500
Repayments of mortgages and other loans payable	(787,887		)	(13,526		)
Proceeds from credit facility and senior unsecured notes	155,000			300,000
Repayments of credit facility and senior unsecured notes	(199,960		)	(352,454		)
Proceeds from stock options exercised and DRIP issuance	4,546			102,089
Net proceeds from sale of common stock/preferred stock	(57		)	122,953
Purchases of treasury stock	—			(11,158		)
Distributions to noncontrolling interests in other partnerships	(4,879		)	(7,117		)
Contributions from noncontrolling interests in other partnerships	3,110			18,331
Distributions to noncontrolling interests in the Operating Partnership	(853		)	(762		)
Dividends paid on common and preferred stock	(38,591		)	(28,453		)
Deferred loan costs and capitalized lease obligations	(8,677		)	(5,569		)
Net cash provided by financing activities	102,085			232,834
Net increase (decrease) in cash and cash equivalents	30,120			(4,527		)
Cash and cash equivalents at beginning of period	189,984			138,192
Cash and cash equivalents at end of period	$	220,104		$	133,665

The accompanying notes are an integral part of these financial statements.

7

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

1.  Organization and Basis of Presentation

SL Green Realty Corp., which is referred to as the Company or SL Green, a Maryland corporation, and SL Green Operating Partnership, L.P., which is referred to as SLGOP or the Operating Partnership, a Delaware limited partnership, were formed in June 1997 for the purpose of combining the commercial real estate business of S.L. Green Properties, Inc. and its affiliated partnerships and entities.  The Operating Partnership received a contribution of interest in the real estate properties, as well as 95% of the economic interest in the management, leasing and construction companies which are referred to as the Service Corporation, a consolidated variable interest entity.  All of the management, leasing and construction services with respect to the properties which are wholly-owned by us are conducted through SL Green Management LLC which is 100% owned by the Operating Partnership.  The Company has qualified, and expects to qualify in the current fiscal year, as a real estate investment trust, or REIT, under the Internal Revenue Code of 1986, as amended, or the Code, and operates as a self-administered, self-managed REIT.  A REIT is a legal entity that holds real estate interests and, through payments of dividends to stockholders, is permitted to minimize the payment of Federal income taxes at the corporate level.  Unless the context requires otherwise, all references to “we,” “our” and “us” means the Company and all entities owned or controlled by the Company, including the Operating Partnership.

Substantially all of our assets are held by, and our operations are conducted through, the Operating Partnership.  The Company is the sole managing general partner of the Operating Partnership.  As of March 31, 2013, noncontrolling investors held, in the aggregate, a 2.75% limited partnership interest in the Operating Partnership.  We refer to these interests as the noncontrolling interests in the Operating Partnership.  See Note 13, “Noncontrolling Interests in Operating Partnership.”

Reckson Associates Realty Corp., or Reckson, and Reckson Operating Partnership, L.P., or ROP, are wholly-owned subsidiaries of the Operating Partnership.

As of March 31, 2013, we owned the following interests in commercial office properties in the New York Metropolitan area, primarily in midtown Manhattan, a borough of New York City.  Our investments in the New York Metropolitan area also include investments in Brooklyn, Long Island, Westchester County, Connecticut and Northern New Jersey, which are collectively known as the Suburban assets:

Location	Ownership	Number of Properties	Square Feet	Weighted Average Occupancy(1)
Manhattan	Consolidated properties	27	18,347,945	93.8	%
	Unconsolidated properties	9	5,934,434	95.3	%
Suburban	Consolidated properties	26	3,899,800	78.4	%
	Unconsolidated properties	5	1,539,700	84.7	%
		67	29,721,879	91.6	%

(1)The weighted average occupancy represents the total leased square feet divided by total available rentable square feet.

As of March 31, 2013, we also owned investments in 14 stand-alone retail properties encompassing approximately 465,207 square feet, 15 development properties encompassing approximately 2,580,691 square feet, three residential properties encompassing 468 units (approximately 497,093 square feet), two land interests encompassing 961,400 square feet and 31 west coast office properties encompassing approximately 4,473,603 square feet.  In addition, we manage two office properties owned by third parties and affiliated companies encompassing approximately 626,415 rentable square feet. As of March 31, 2013, we also held debt and preferred equity investments with a book value of $1.4 billion.

Partnership Agreement

In accordance with the partnership agreement of the Operating Partnership, or the Operating Partnership agreement, we allocate all distributions and profits and losses in proportion to the percentage ownership interests of the respective partners.  As the managing general partner of the Operating Partnership, we are required to take such reasonable efforts, as determined by us in our sole discretion, to cause the Operating Partnership to distribute sufficient amounts to enable the payment of sufficient dividends by us to minimize any Federal income or excise tax at the Company level. Under the Operating Partnership agreement, each limited partner has the right to redeem units of limited partnership interests for cash, or if we so elect, shares of our common stock on a one-for-one basis.

Basis of Quarterly Presentation

The accompanying unaudited consolidated financial statements have been prepared in accordance with accounting principles generally

8

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

accepted in the United States for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X.  Accordingly, they do not include all of the information and notes required by accounting principles generally accepted in the United States for complete financial statements.  In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for the fair presentation of the financial position of the Company at March 31, 2013 and the results of operations for the periods presented have been included.  The 2013 operating results for the period presented are not necessarily indicative of the results that may be expected for the year ending December 31, 2013.  These financial statements should be read in conjunction with the financial statements and accompanying notes included in our Annual Report on Form 10-K for the year ended December 31, 2012.

The balance sheet at December 31, 2012 has been derived from the audited financial statements at that date but does not include all the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.

2.  Significant Accounting Policies

Principles of Consolidation

The consolidated financial statements include our accounts and those of our subsidiaries, which are wholly-owned or controlled by us. Entities which we do not control through our voting interest and entities which are variable interest entities but where we are not the primary beneficiary, are accounted for under the equity method or as debt and preferred equity investments.  See Note 5, “Debt and Preferred Equity Investments” and Note 6, “Investments in Unconsolidated Joint Ventures.”  All significant intercompany balances and transactions have been eliminated.

We consolidate variable interest entities, or VIEs, in which we are considered the primary beneficiary. The primary beneficiary of a VIE is the entity that has (i) the power to direct the activities that most significantly impact the entity’s economic performance and (ii) the obligation to absorb losses of the VIE or the right to receive benefits from the VIE that could be significant to the VIE. Included in commercial real estate properties on our consolidated balance sheets as of March 31, 2013 and December 31, 2012 are approximately $596.1 million and $607.4 million, respectively, related to our consolidated VIEs. Included in mortgages and other loans payable on our consolidated balance sheets as of March 31, 2013 and December 31, 2012 are approximately $377.4 million and $379.6 million, respectively, related to our consolidated VIEs.

A noncontrolling interest in a consolidated subsidiary is defined as the portion of the equity (net assets) in a subsidiary not attributable, directly or indirectly, to a parent.  Noncontrolling interests are required to be presented as a separate component of equity in the consolidated balance sheet and the presentation of net income was modified to require earnings and other comprehensive income to be attributed to controlling and noncontrolling interests.

We assess the accounting treatment for each joint venture and debt and preferred equity investment.  This assessment includes a review of each joint venture or limited liability company agreement to determine which party has what rights and whether those rights are protective or participating.  For all VIE’s, we review such agreements in order to determine which party has the power to direct the activities that most significantly impact the entity’s economic performance.  In situations where we and our partner approves, among other things, the annual budget, receives a detailed monthly reporting package from us, meets on a quarterly basis to review the results of the joint venture, reviews and approves the joint venture’s tax return before filing, and approves all leases that cover more than a nominal amount of space relative to the total rentable space at each property, we do not consolidate the joint venture as we consider these to be substantive participation rights that result in shared power of the activities that most significantly impact the performance of our joint venture.  Our joint venture agreements typically contain certain protective rights such as the requirement of partner approval to sell, finance or refinance the property and the payment of capital expenditures and operating expenditures outside of the approved budget or operating plan.

Investment in Commercial Real Estate Properties

On a periodic basis, we assess whether there are any indications that the value of our real estate properties may be impaired or that their carrying value may not be recoverable.  A property’s value is considered impaired if management’s estimate of the aggregate future cash flows (undiscounted and without interest charges for consolidated properties) to be generated by the property is less than the carrying value of the property.  To the extent impairment has occurred, the loss will be measured as the excess of the carrying amount of the property over the calculated fair value of the property.  In addition, we assess our investments in unconsolidated joint ventures for recoverability, and if it is determined that a loss in value of the investment is other than temporary, we write down the investment to its fair value.  We evaluate our equity investments for impairment based on the joint venture’s projected discounted cash flows. We do not believe that the values of any of our consolidated properties or equity investments were impaired at either March 31, 2013 or December 31, 2012.

9

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

We allocate the purchase price of real estate to land and building (inclusive of tenant improvements) and, if determined to be material, intangibles, such as the value of above-, below- and at-market leases and origination costs associated with the in-place leases.  We depreciate the amount allocated to building (inclusive of tenant improvements) and other intangible assets over their estimated useful lives, which generally range from three to 40 years and from one to 14 years, respectively.  The values of the above- and below-market leases are amortized and recorded as either an increase (in the case of below-market leases) or a decrease (in the case of above-market leases) to rental income over the remaining term of the associated lease, which generally range from one to 14 years.  The value associated with in-place leases is amortized over the expected term of the associated lease, which generally ranges from one to 14 years.  If a tenant vacates its space prior to the contractual termination of the lease and no rental payments are being made on the lease, any unamortized balance of the related intangible will be written off.  The tenant improvements and origination costs are amortized as an expense over the remaining life of the lease (or charged against earnings if the lease is terminated prior to its contractual expiration date).  We assess fair value of the leases based on estimated cash flow projections that utilize appropriate discount and capitalization rates and available market information.  Estimates of future cash flows are based on a number of factors including the historical operating results, known trends, and market/economic conditions that may affect the property. To the extent acquired leases contain fixed rate renewal options that are below market and determined to be material, we amortize such below market lease value into rental income over the renewal period.

We recognized an increase of approximately $3.9 million and $2.1 million in rental revenue for the three months ended March 31, 2013 and 2012, respectively, for the amortization of aggregate below-market leases in excess of above-market leases and a reduction in lease origination costs, resulting from the allocation of the purchase price of the applicable properties.  We recognized a reduction in interest expense for the amortization of the above-market rate mortgages assumed of approximately $1.3 million and $1.0 million for the three months ended March 31, 2013 and 2012, respectively.

The following summarizes our identified intangible assets (acquired above-market leases and in-place leases) and intangible liabilities (acquired below-market leases) as of March 31, 2013 and December 31, 2012 (amounts in thousands):

	March 31, 2013			December 31, 2012
Identified intangible assets (included in other assets):
Gross amount	$	725,708		$	725,861
Accumulated amortization	(279,714		)	(263,107		)
Net	$	445,994		$	462,754
Identified intangible liabilities (included in deferred revenue):
Gross amount	$	652,117		$	651,921
Accumulated amortization	(374,239		)	(357,225		)
Net	$	277,878		$	294,696

Fair Value Measurements

Fair value is a market-based measurement, not an entity-specific measurement, and should be determined based on the assumptions that market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, FASB guidance establishes a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs that are classified within Levels 1 and 2 of the hierarchy) and the reporting entity’s own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy).

We determined the fair value of our current investments in marketable securities using Level 1, Level 2 and Level 3 inputs. Additionally, we determined the valuation allowance for loan losses based on Level 3 inputs. See Note 5, “Debt and Preferred Equity Investments.”

The estimated fair values of tangible and intangible assets and liabilities recorded in connection with business combinations are based on Level 3 inputs. We estimate fair values based on cash flow projections utilizing appropriate discount and/or capitalization rates and available market information.

We determine impairment in real estate investments and debt and preferred equity investments, including intangibles, utilizing cash flow projections that apply estimated revenue and expense growth rates, discount rates and capitalization rates, which are classified as Level 3 inputs.

10

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

We use the following methods and assumptions in estimating fair value disclosures for financial instruments.

·Cash and cash equivalents, restricted cash, accounts receivable, accounts payable and accrued expenses, and other assets and liabilities:  The carrying amount of cash and cash equivalents, restricted cash, accounts receivable, accounts payable and accrued expenses, and other assets and liabilities reported in our consolidated balance sheets approximates fair value due to the short term nature of these instruments.

·Debt and preferred equity investments:  The fair value of debt and preferred equity investments is estimated by discounting the future cash flows using current interest rates at which similar loans with the same maturities would be made to borrowers with similar credit ratings. See “Reserve for Possible Credit Losses” below regarding valuation allowances for loan losses.

·Derivative instruments: The fair value of derivative instruments is based on current market data received from financial sources that trade such instruments and are based on prevailing market data and derived from third party proprietary models based on well-recognized financial principles and reasonable estimates about relevant future market conditions.

·Mortgage and other loans payable and other debt:  The fair value of borrowings is estimated by discounting the future cash flows using current interest rates at which similar borrowings could be made by us.

The methodologies used for measuring fair value have been categorized into three broad levels as follows:

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

Level 2 — Valuations based principally on other observable market parameters, including

·Quoted prices in active markets for similar instruments,

·Quoted prices in less active or inactive markets for identical or similar instruments,

·Other observable inputs (such as interest rates, yield curves, volatilities, prepayment speeds, loss severities, credit risks and default rates), and

·Market corroborated inputs (derived principally from or corroborated by observable market data).

Level 3 — Valuations based significantly on unobservable inputs.

·Valuations based on third-party indications (broker quotes or counterparty quotes) which were, in turn, based significantly on unobservable inputs or were otherwise not supportable as Level 2 valuations.

·Valuations based on internal models with significant unobservable inputs.

These levels form a hierarchy. We follow this hierarchy for our assets and liabilities measured at fair value on a recurring and nonrecurring basis. The classifications are based on the lowest level of input that is significant to the fair value measurement.

Investment in Marketable Securities

We invest in marketable securities. At the time of purchase, we are required to designate a security as held-to-maturity, available-for-sale, or trading depending on ability and intent. We do not have any securities designated as held-to-maturity or trading at this time. Securities available-for-sale are reported at fair value pursuant to ASC 820-10, with the net unrealized gains or losses reported as a component of accumulated other comprehensive loss.  Unrealized losses that are determined to be other-than-temporary are recognized in earnings up to their credit component. Included in accumulated other comprehensive loss at March 31, 2013 and December 31, 2012 is approximately $5.0 million and $3.3 million, respectively, in net unrealized gains related to marketable securities.

The cost of bonds and marketable securities sold was determined using the specific identification method.

At March 31, 2013 and December 31, 2012, we held the following marketable securities (in thousands):

	March 31, 2013		December 31, 2012
Level 1 — Equity marketable securities	$	3,903	$	2,202
Level 2 — Commercial mortgage-backed securities	15,521		15,575
Level 3 — Rake bonds	3,570		3,652
Total marketable securities available-for-sale	$	22,994	$	21,429

The cost basis of the Level 3 securities was $3.7 million at March 31, 2013 and December 31, 2012. There were no sales of Level 3 securities during the three months ended March 31, 2013. The Level 3 securities mature at various times through 2030.

Revenue Recognition

Rental revenue is recognized on a straight-line basis over the term of the lease. Rental revenue recognition commences when the

11

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

tenant takes possession or controls the physical use of the leased space. In order for the tenant to take possession, the leased space must be substantially ready for its intended use. To determine whether the leased space is substantially ready for its intended use, management evaluates whether we are or the tenant is the owner of tenant improvements for accounting purposes. When management concludes that we are the owner of tenant improvements, rental revenue recognition begins when the tenant takes possession of the finished space, which is when such tenant improvements are substantially complete. In certain instances, when management concludes that we are not the owner (the tenant is the owner) of tenant improvements, rental revenue recognition begins when the tenant takes possession of or controls the space. When management concludes that we are the owner of tenant improvements for accounting purposes, management records amounts funded to construct the tenant improvements as a capital asset. For these tenant improvements, management records amounts reimbursed by tenants as a reduction of the capital asset. When management concludes that the tenant is the owner of tenant improvements for accounting purposes, management records our contribution towards those improvements as a lease incentive, which is included in deferred leasing costs on our consolidated balance sheets and amortized as a reduction to rental revenue on a straight-line basis over the term of the lease.  The excess of rents recognized over amounts contractually due pursuant to the underlying leases are included in deferred rents receivable on the accompanying consolidated balance sheets.  We establish, on a current basis, an allowance for future potential tenant credit losses, which may occur against this account.  The balance reflected on the consolidated balance sheet is net of such allowance.

In addition to base rent, our tenants also generally will pay their pro rata share of increases in real estate taxes and operating expenses for the building over a base year. In some leases, in lieu of paying additional rent based upon increases in building operating expenses, the tenant will pay additional rent based upon increases in the wage rate paid to porters over the porters’ wage rate in effect during a base year or increases in the consumer price index over the index value in effect during a base year. In addition, many of our leases contain fixed percentage increases over the base rent to cover escalations. Electricity is most often supplied by the landlord either on a sub-metered basis, or rent inclusion basis (i.e., a fixed fee is included in the rent for electricity, which amount may increase based upon increases in electricity rates or increases in electrical usage by the tenant). Base building services other than electricity (such as heat, air conditioning and freight elevator service during business hours, and base building cleaning) are typically provided at no additional cost, with the tenant paying additional rent only for services which exceed base building services or for services which are provided outside normal business hours. These escalations are based on actual expenses incurred in the prior calendar year. If the expenses in the current year are different from those in the prior year, then during the current year, the escalations will be adjusted to reflect the actual expenses for the current year.

We record a gain on sale of real estate when title is conveyed to the buyer, subject to the buyer’s financial commitment being sufficient to provide economic substance to the sale and we have no substantial economic involvement with the buyer.

Interest income on debt and preferred equity investments is recognized over the life of the investment using the effective interest method and recognized on the accrual basis.  Fees received in connection with loan commitments are deferred until the loan is funded and are then recognized over the term of the loan as an adjustment to yield.  Anticipated exit fees, whose collection is expected, are also recognized over the term of the loan as an adjustment to yield.  Fees on commitments that expire unused are recognized at expiration.

Income recognition is generally suspended for debt and preferred equity investments at the earlier of the date at which payments become 90 days past due or when, in the opinion of management, a full recovery of interest income and principal becomes doubtful.  Interest income recognition is resumed when the loan becomes contractually current and performance is demonstrated to be resumed. Interest is recorded as income on impaired loans only to the extent cash is received. Several of the debt and preferred equity investments provide for accrual of interest at specified rates, which differ from current payment terms. Interest is recognized on such loans at the accrual rate subject to management’s determination that accrued interest and outstanding principal are ultimately collectible, based on the underlying collateral and operations of the borrower. If management cannot make this determination, interest income above the current pay rate is recognized only upon actual receipt.

If we purchase a debt or preferred equity investment at a discount, intend to hold it until maturity and expect to recover the full value of the investment, we accrete the discount into income as an adjustment to yield over the term of the investment. If we purchase a debt or preferred equity investment at a discount with the intention of foreclosing on the collateral, we do not accrete the discount.

Reserve for Possible Credit Losses

The expense for possible credit losses in connection with debt and preferred equity investments is the charge to earnings to increase the allowance for possible credit losses to the level that we estimate to be adequate, based on Level 3 data, considering delinquencies, loss experience and collateral quality.  Other factors considered relate to geographic trends and product diversification, the size of the portfolio and current economic conditions.  Based upon these factors, we establish the provision for possible credit loss on each

12

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

individual investment.  When it is probable that we will be unable to collect all amounts contractually due, the investment is considered impaired.

Where impairment is indicated on an investment that is held to maturity, a valuation allowance is measured based upon the excess of the recorded investment amount over the net fair value of the collateral.  Any deficiency between the carrying amount of an asset and the calculated value of the collateral is charged to expense.  The write-off of the reserve balance is called a charge off.  We recorded no loan loss reserves during the three months ended March 31, 2013. During the three months ended March 31, 2012, we recorded loan loss reserves of $3.0 million on investments being held to maturity and approximately $2.4 million in recoveries in connection with the sale of our investments. This is included in loan loss and other investment reserves, net of recoveries in the accompanying consolidated statements of income.

Debt and preferred equity investments held for sale are carried at the lower of cost or fair market value using available market information obtained through consultation with dealers or other originators of such investments as well as discounted cash flow models based on Level 3 data pursuant to ASC 820-10. As circumstances change, management may conclude not to sell an investment designated as held for sale.  In such situations, the investment will be reclassified at its net carrying value to debt and preferred equity investments held to maturity.  For these reclassified investments, the difference between the current carrying value and the expected cash to be collected at maturity will be accreted into income over the remaining term of the investment.

Income Taxes

We are taxed as a REIT under Section 856(c) of the Code.  As a REIT, we generally are not subject to Federal income tax.  To maintain our qualification as a REIT, we must distribute at least 90% of our REIT taxable income to our stockholders and meet certain other requirements.  If we fail to qualify as a REIT in any taxable year, we will be subject to Federal income tax on our taxable income at regular corporate rates.  We may also be subject to certain state, local and franchise taxes.  Under certain circumstances, Federal income and excise taxes may be due on our undistributed taxable income.

Pursuant to amendments to the Code that became effective January 1, 2001, we have elected, and may in the future, elect to treat certain of our existing or newly created corporate subsidiaries as taxable REIT subsidiaries, or a TRS.  In general, a TRS of ours may perform non-customary services for our tenants, hold assets that we cannot hold directly and generally may engage in any real estate or non-real estate related business.  Our TRSs generate income, resulting in Federal and state income tax liability for these entities.  Our TRSs recorded Federal, state and local tax provisions of $1.6 million and zero during the three months ended March 31, 2013 and 2012, respectively, and made estimated tax payments of $0.1 million and zero during the three months ended March 31, 2013 and 2012, respectively.

We follow a two-step approach for evaluating uncertain tax positions. Recognition (step one) occurs when an enterprise concludes that a tax position, based solely on its technical merits, is more-likely-than-not to be sustained upon examination. Measurement (step two) determines the amount of benefit that is more-likely-than-not to be realized upon settlement. Derecognition of a tax position that was previously recognized would occur when a company subsequently determines that a tax position no longer meets the more-likely-than-not threshold of being sustained. The use of a valuation allowance as a substitute for derecognition of tax positions is prohibited.

Stock-Based Employee Compensation Plans

We have a stock-based employee compensation plan, described more fully in Note 13, “Equity.”

Our stock options are recorded at fair value at the time of issuance. Fair value of the stock options is determined using the Black-Scholes option-pricing model. The Black-Scholes model was developed for use in estimating the fair value of traded options, which have no vesting restrictions and are fully transferable.  In addition, option valuation models require the input of highly subjective assumptions including the expected stock price volatility.  Because our plan has characteristics significantly different from those of traded options and because changes in the subjective input assumptions can materially affect the fair value estimate, in our opinion, the existing models do not necessarily provide a reliable single measure of the fair value of our employee stock options.

Compensation cost for stock options, if any, is recognized ratably over the vesting period of the award.  Our policy is to grant options with an exercise price equal to the quoted closing market price of our stock on the grant date.  Awards of stock or restricted stock are expensed as compensation over the benefit period based on the fair value of the stock on the grant date.

For share-based awards with a performance or market measure, we recognize compensation cost over the requisite service period, using the accelerated attribution expense method. The requisite service period begins on the date the compensation committee of our board of directors authorizes the award, adopts any relevant performance measures and communicates the award to the employees. For

13

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

programs with performance measures, the total estimated compensation cost is based on the fair value of the award at the applicable reporting date estimated using a binomial model. For share-based awards for which there is no pre-established performance measure, we recognize compensation cost over the service vesting period, which represents the requisite service period, on a straight-line basis. In accordance with the provisions of our share-based incentive compensation plans, we accept the return of shares of our Company common stock, at the current quoted market price, from certain key employee to satisfy minimum statutory tax-withholding requirements related to shares that vested during the period.

Awards can also be made in the form of a separate series of units of limited partnership interest in the Operating Partnership called long-term incentive plan units, or LTIP Units. LTIP Units, which can be granted either as free-standing awards or in tandem with other awards under our stock incentive plan, are valued by reference to the value of our common stock at the time of grant, and are subject to such conditions and restrictions as the compensation committee of our board of directors may determine, including continued employment or service, computation of financial metrics and/or achievement of pre-established performance goals and objectives.

Earnings per Share

We present both basic and diluted earnings per share, or EPS.  Basic EPS excludes dilution and is computed by dividing net income attributable to common stockholders by the weighted average number of common shares outstanding during the period. Basic EPS includes participating securities, consisting of unvested restricted stock that receive nonforfeitable dividends similar to shares of common stock. Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock, where such exercise or conversion would result in a lower EPS amount.  This also includes units of limited partnership interest. The dilutive effect of the outstanding nonvested shares of common stock, or nonvested shares, and restricted stock units, or RSUs, that have not yet been granted but are contingently issuable under the share-based compensation programs is reflected in the weighted average diluted shares calculation by application of the treasury stock method at the beginning of the quarterly period in which all necessary conditions have been satisfied. The dilutive effect of stock options is reflected in the weighted average diluted outstanding shares calculation by application of the treasury stock method. There is no dilutive effect for the exchangeable senior debentures as the conversion premium will be paid in cash.

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Concentrations of Credit Risk

Financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash investments, debt and preferred equity investments and accounts receivable.  We place our cash investments in excess of insured amounts with high quality financial institutions.  The collateral securing our debt and preferred equity investments is located in the New York Metropolitan area. See Note 5, “Debt and Preferred Equity Investments.” We perform ongoing credit evaluations of our tenants and require most tenants to provide security deposits or letters of credit. Though these security deposits and letters of credit are insufficient to meet the total value of a tenant’s lease obligation, they are a measure of good faith and a source of funds to offset the economic costs associated with lost rent and the costs associated with re-tenanting the space.  Although the properties in our real estate portfolio are primarily located in Manhattan, we also have Suburban properties located in Brooklyn, Long Island, Westchester County, Connecticut, Northern New Jersey and the west coast.  The tenants located in our buildings operate in various industries.  Other than three tenants who account for approximately 6.0%, 6.5% and 7.0% of our share of annualized cash rent, no other tenant in our portfolio accounted for more than 1.9% of our annualized cash rent, including our share of joint venture annualized cash rent at March 31, 2013. Approximately 9%, 7%, 6% and 6% of our annualized cash rent for consolidated properties for the three months ended March 31, 2013 was attributable to 1515 Broadway, 1185 Avenue of the Americas, 420 Lexington Avenue and One Madison Avenue, respectively.  In addition, two debt and preferred equity investments accounted for more than 10% of the income earned on debt and preferred equity investments during the three months ended March 31, 2013.

Reclassification

Certain prior year balances have been reclassified to conform to our current year presentation primarily in order to eliminate discontinued operations from income from continuing operations.

Accounting Standards Updates

In February 2013, the FASB issued guidance on the presentation and disclosure of reclassification adjustments out of accumulated other comprehensive income, or AOCI. The standard requires an entity to present information about significant items reclassified out

14

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

of AOCI by component either on the face of the statement where net income is presented or as a separate disclosure in the notes to financial statements. The guidance became effective for calendar year-end public companies beginning in the first quarter of 2013 and its adoption did not have a material impact on our consolidated financial statements.

3.  Property Acquisitions

2013 Acquisitions

In March 2013, we, along with Magnum Real Estate Group, acquired 84 residential apartment units, consisting of 72 apartment units and 12 townhouses, located at 248-252 Bedford Avenue, Williamsburg, Brooklyn for $54.9 million. Simultaneous with the closing, the joint venture closed on a five-year $22.0 million mortgage loan which carries a floating rate of interest of 225 basis points over LIBOR. The property sits on top of a commercial property already owned by us. We hold a 90% controlling interest in this joint venture. We are currently in the process of analyzing the fair value of the investment. Therefore, the purchase price allocation is preliminary and subject to change.

2012 Acquisitions

In December 2012, we acquired a 68,000 square foot (unaudited) mixed use retail, office and residential building located at 131-137 Spring Street for $122.3 million. We are currently in the process of analyzing the fair value of the in-place leases; and consequently, no value has yet been assigned to the leases. Therefore, the purchase price allocation is preliminary and subject to change.

In December 2012, we acquired the aggregate 42,000 square foot (unaudited) vacant retail buildings located at 985-987 Third Avenue for $18.0 million.

In October 2012, we, along with Stonehenge Partners, acquired a 99-year leasehold position covering an 82,250 square foot (unaudited), 96 unit residential building located at 1080 Amsterdam Avenue which we plan to redevelop into luxury residential units.

In September 2012, we acquired the aggregate 267,000 square foot (unaudited) office buildings located at 635 and 641 Sixth Avenue for $173.0 million.

In June 2012, we acquired a 215,000 square foot (unaudited) office building located at 304 Park Avenue South for $135.0 million. The property was acquired with approximately $102.0 million in cash and $33.0 million in units of limited partnership interest of the Operating Partnership.

In October 2011, we formed a joint venture with Stonehenge Partners and, in January 2012, we acquired five retail and two multifamily properties in Manhattan for $193.1 million, inclusive of the issuance of $47.6 million aggregate liquidation preference of 4.5% Series G preferred units of limited partnership interest of the Operating Partnership. Simultaneous with the closing, we financed the multifamily component, which encompasses 385 units and 488,000 square feet (unaudited), with an aggregate 12-year $100.0 million fixed rate mortgage which bears interest at 4.125% and one of the retail properties financed with a five-year $8.5 million fixed rate mortgage which bears interest at 3.75%. We hold an 80% interest in this joint venture, which we consolidate as a VIE since we have been designated as the primary beneficiary.

15

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

The following summarizes our allocation of the purchase price of the assets acquired and liabilities assumed upon the closing of these 2012 acquisitions (amounts in thousands):

	635-641 Sixth Avenue		304 Park Avenue South		Stonehenge Properties
Land	$	69,848	$	54,189	$	65,533
Building and building leasehold	104,474		75,619		128,457
Above market lease value	—		2,824		594
Acquired in-place leases	7,727		8,265		9,573
Other assets, net of other liabilities	—		—		2,190
Assets acquired	182,049		140,897		206,347
Fair value adjustment to mortgage note payable	—		—		—
Below market lease value	9,049		5,897		13,239
Liabilities assumed	9,049		5,897		13,239
Purchase price allocation	$	173,000	$	135,000	$	193,108
Net consideration funded by us at closing	$	173,000	$	135,000	$	78,121
Equity and/or debt investment held	$	—	$	—	$	—
Debt assumed	$	—	$	—	$	—

4.  Property Dispositions and Assets Held for Sale

In February 2013, we, along with our joint venture partner, sold our property located at 44 West 55th Street for $6.3 million. We recognized a gain of $1.1 million on the sale.

In February 2012, we sold our leased fee interest at 292 Madison Avenue for $85.0 million. We recognized a gain of $6.6 million on the sale.

Discontinued operations included the results of operations of real estate assets sold prior to March 31, 2013. This included 44 West 55th Street, which was sold in February 2013 and 292 Madison Avenue, which was sold in February 2012.

The following table summarizes income from discontinued operations for the three months ended March 31, 2013 and 2012, respectively (in thousands).

	Three Months Ended March 31,
	2013			2012
Revenues
Rental revenue	$	(10	)	$	568
Escalation and reimbursement revenues	—			7
Other income	—			—
Total revenues	(10		)	575
Operating expenses	5			11
Real estate taxes	10			18
Interest expense, net of interest income	—			598
Transaction related costs	—			95
Depreciation and amortization	7			14
Total expenses	22			736
Net loss from discontinued operations	$	(32	)	$	(161	)

5.  Debt and Preferred Equity Investments

During the three months ended March 31, 2013 and 2012, our debt and preferred equity investments (net of discounts) increased approximately $208.6 million and $76.3 million, respectively, due to originations, purchases, accretion of discounts and paid-in-kind interest.  We recorded repayments, participations and sales of approximately $121.9 million and $59.7 million, respectively, and loan loss reserves of zero and $3.0 million during the three months ended March 31, 2013 and 2012, respectively, which offset the increases in debt and preferred equity investments.

16

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

As of March 31, 2013 and December 31, 2012, we held the following debt investments with an aggregate weighted average current yield of approximately 11.1% at March 31, 2013 (in thousands):

Loan Type	March 31, 2013 Senior Financing		March 31, 2013 Carrying Value, Net of Discounts			December 31, 2012 Carrying Value, Net of Discounts			Initial Maturity Date
Other Loan	$	399,500	$	15,000		$	—		March 2015
Mezzanine Loan	205,000		66,936			66,544			February 2016
Mortgage/Mezzanine Loan	168,567		46,511			46,496			May 2016
Mezzanine Loan	177,000		15,644			15,906			May 2016
Junior Participation	133,000		49,000			49,000			June 2016
Mezzanine Loan	165,000		71,119			71,067			November 2016
Mortgage/Mezzanine Loan(1)	1,109,000		73,292			115,804			March 2017
Other Loan	15,000		3,500			3,500			September 2021
Mortgage(2)	—		218,270			218,068			—
Total fixed rate	$	2,372,067	$	559,272		$	586,385
Junior Participation(3)	$	60,250	$	10,875		$	10,875		June 2013
Mezzanine Loan(4)	75,000		7,650			7,650			July 2013
Mezzanine Loan(5)	—		30,000			—			December 2013
Mortgage/Mezzanine Loan(6)	330,000		132,000			132,000			July 2014
Mezzanine Loan(7)	62,500		37,500			37,500			July 2014
Mezzanine Loan	170,000		60,000			60,000			August 2014
Mortgage	—		15,000			15,000			September 2014
Mortgage/Mezzanine Loan(8)	—		50,439			47,679			February 2015
Mezzanine Loan(9)	92,711		56,289			56,289			December 2015
Mezzanine Loan(10)	775,000		75,000			—			March 2016
Mezzanine Loan	55,000		35,000			35,000			July 2016
Mezzanine Loan(11)	81,000		35,202			34,940			October 2016
Total floating rate	$	1,701,461	$	544,955		$	436,933
Total	4,073,528		1,104,227			1,023,318
Loan loss reserve(3)	—		(7,000		)	(7,000		)
	$	4,073,528	$	1,097,227		$	1,016,318

(1)Interest is added to the principal balance for this accrual only loan. In January 2013, we sold 50% of the mezzanine loan for $57.8 million and recognized additional income of $12.9 million, which is included in investment and preferred equity income on the consolidated statements of income. The unaccrued interest during the period in which the loan was on non-accrual status is being accrued as of January 2013.

(2)In November 2012, we acquired this non-performing loan with an original balance of $219.0 million, which accrues interest at its default rate. This loan matured in June 2012.

(3)Loan loss reserves are specifically allocated to investments.  Our reserves reflect management’s judgment of the probability and severity of losses based on Level 3 data.  We cannot be certain that our judgment will prove to be correct or that reserves will be adequate over time to protect against potential future losses.

(4)In November 2011, we entered into a loan participation agreement in the amount of $7.4 million on a $15.0 million mortgage. Due to our continued involvement with the loan, the portion that was participated out has been recorded in other assets and other liabilities in the accompanying consolidated balance sheet.

(5)In February 2013, we entered into a loan participation agreement in the amount of $30.0 million on a $100.0 million mortgage. The note has two one-year extension options.

(6)As part of the restructuring and refinancing of the related senior mortgage in July 2012, our outstanding investment in the amount of $49.9 million was repaid in full at maturity and we also entered into a loan participation in the amount of $182.0 million on the $462.0 million outstanding senior mortgage which maturity was extended to July 2014. In September 2012, we sold $50.0 million of our interest in the senior mortgage to a third party.

(7)In November 2012, we entered into a loan participation agreement in the amount of $5.0 million on a $37.5 million mortgage. As a result of the transfer not meeting the conditions for sale accounting, the portion that was participated out has been recorded in other liabilities in the accompanying consolidated balance sheet.

(8)As of March 31, 2013, we were committed to fund an additional $8.3 million in connection with this loan.

(9)As of March 31, 2013, we were committed to fund an additional $28.7 million in connection with this loan.

(10)In March 2013, we originated a $150.0 million junior mezzanine loan and simultaneously sold one-half of our interest at par.

(11)As of March 31, 2013, we were committed to fund an additional $14.8 million in connection with this loan.

17

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

Preferred Equity Investments

As of March 31, 2013 and December 31, 2012, we held the following preferred equity investments, with an aggregate weighted average current yield of approximately 11.4% at March 31, 2013 (in thousands):

Type	March 31, 2013 SeniorFinancing		March 31, 2013 Carrying Value, Net of Discounts		December 31, 2012 Carrying Value, Net of Discounts		InitialMandatory Redemption
Preferred equity(1)(2)	$	480,000	$	103,437	$	100,831	July 2014
Preferred equity	70,000		10,000		10,000		October 2014
Preferred equity(1)(3)	57,087		20,238		19,136		April 2016
Preferred equity(1)	926,260		212,932		210,918		July 2016
	$	1,533,347	$	346,607	$	340,885

(1)The difference between the pay and accrual rates is included as an addition to the principal balance outstanding.

(2)This investment was classified as held for sale at June 30, 2009, but as held-to-maturity for all periods subsequent to June 30, 2009.  The reserve previously taken against this loan is being accreted up to the face amount through the maturity date. In connection with a recapitalization of the investment, our mezzanine loan was converted to preferred equity in 2011. We also made an additional $50.0 million junior preferred equity loan.  This junior preferred equity loan was repaid at par in February 2012.

(3)As of March 31, 2013, we are committed to fund an additional $5.7 million on this loan.

The following table is a rollforward of our total loan loss reserves at March 31, 2013 and December 31, 2012 (in thousands):

	March 31,2013		December 31, 2012
Balance at beginning of year	$	7,000	$	50,175
Expensed	—		3,000
Recoveries	—		(2,436		)
Charge-offs and reclassifications	—		(43,739		)
Balance at end of period	$	7,000	$	7,000

At March 31, 2013 and December 31, 2012, all debt and preferred equity investments, other than as noted above, were performing in accordance with the terms of the loan agreements.

We have determined that we have one portfolio segment of financing receivables at March 31, 2013 and December 31, 2012 comprising commercial real estate, which is primarily recorded in debt and preferred equity investments. Included in other assets is an additional amount of financing receivables totaling approximately $129.0 million at March 31, 2013 and $121.3 million at December 31, 2012. No financing receivables were 90 days past due or on non-accrual status at March 31, 2013.

The following table presents impaired loans, which may include non-accrual loans, as of March 31, 2013 and December 31, 2012, respectively (in thousands):

	March 31, 2013						December 31, 2012
	Unpaid Principal Balance		Recorded Investment		Allowance Allocated		Unpaid Principal Balance		Recorded Investment		Allowance Allocated
With no related allowance recorded:
Commercial real estate	$	—	$	—	$	—	$	—	$	—	$	—
With an allowance recorded:
Commercial real estate	10,750		10,750		7,000		10,750		10,750		7,000
Total	$	10,750	$	10,750	$	7,000	$	10,750	$	10,750	$	7,000

18

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

The following table presents the average recorded investment in impaired loans, which may include non-accrual loans and the related investment and preferred equity income recognized during the three months ended March 31, 2013 and 2012, respectively (in thousands):

	Three Months Ended March 31,
	2013		2012
Average recorded investment in impaired loans	$	10,864	$	79,937
Investment and preferred equity income recognized	227		1,562

On an ongoing basis, we monitor the credit quality of our financing receivables based on payment activity. We assess credit quality indicators based on the underlying collateral.

6.  Investments in Unconsolidated Joint Ventures

We have investments in several real estate joint ventures with various partners, including The City Investment Fund, or CIF, SITQ Immobilier, a subsidiary of Caisse de depot et placement du Quebec, or SITQ, Canada Pension Plan Investment Board, or CPPIB, Prudential Real Estate Investors, or Prudential, Onyx Equities, or Onyx, The Witkoff Group, or Witkoff, Credit Suisse Securities (USA) LLC, or Credit Suisse, Jeff Sutton, or Sutton, Harel Insurance and Finance, or Harel, Louis Cappelli, or Cappelli, The Moinian Group, or Moinian, Vornado Realty Trust (NYSE: VNO), or Vornado, Blackstone Real Estate Partners VII, or Blackstone, Square Mile Capital Management LLC, or Square Mile, Plaza Global Real Estate Partners LP or Plaza, Angelo Gordon Real Estate Inc., or AG, as well as private investors. All the investments below are voting interest entities, except for 33 Beekman, 3 Columbus Circle and 180/182 Broadway which are VIEs in which we are not the primary beneficiary. Our net equity investment in these three VIEs was $124.5 million and $117.7 million at March 31, 2013 and December 31, 2012, respectively. As we do not control the joint ventures listed below, we account for them under the equity method of accounting. We assess the accounting treatment for each joint venture on a stand-alone basis. This includes a review of each joint venture or limited liability company agreement to determine which party has what rights and whether those rights are protective or participating. In situations where we and our partner are involved in some or all of the following: approving the annual budget, receiving a detailed monthly reporting package from us, meeting with us on a quarterly basis to review the results of the joint venture, reviewing and approving the joint venture’s tax return before filing, and approving all leases that cover more than a nominal amount of space relative to the total rentable space at each property, we do not consolidate the joint venture as we consider these to be substantive participation rights. Our joint venture agreements typically contain certain protective rights such as the requirement of partner approval to sell, finance or refinance the property and the payment of capital expenditures and operating expenditures outside of the approved budget or operating plan.

19

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

The table below provides general information on each of our joint ventures as of March 31, 2013 (amounts in thousands):

Property	Partner	OwnershipInterest		EconomicInterest		SquareFeet	Acquired	AcquisitionPrice($)(1)
100 Park Avenue	Prudential	49.90	%	49.90	%	834	02/00	95,800
21 West 34th Street	Sutton	50.00	%	50.00	%	30	07/05	22,400
1604-1610 Broadway(14)	Onyx	90.00	%	90.00	%	30	11/05	4,400
27-29 West 34th Street	Sutton	50.00	%	50.00	%	41	01/06	30,000
717 Fifth Avenue(2)	Sutton/Private Investor	10.92	%	10.92	%	120	09/06	251,900
800 Third Avenue	Private Investors	42.95	%	42.95	%	526	12/06	285,000
1745 Broadway	Witkoff/SITQ/Lehman Bros.	32.26	%	32.26	%	674	04/07	520,000
1 and 2 Jericho Plaza	Onyx/Credit Suisse	20.26	%	20.26	%	640	04/07	210,000
16 Court Street	CIF	35.00	%	35.00	%	318	07/07	107,500
The Meadows(3)	Onyx	50.00	%	50.00	%	582	09/07	111,500
388 and 390 Greenwich Street(4)	SITQ	50.60	%	50.60	%	2,600	12/07	1,575,000
180/182 Broadway(5)	Harel/Sutton	25.50	%	25.50	%	71	02/08	43,600
600 Lexington Avenue	CPPIB	55.00	%	55.00	%	304	05/10	193,000
11 West 34th Street	Private Investor/Sutton	30.00	%	30.00	%	17	12/10	10,800
7 Renaissance	Cappelli	50.00	%	50.00	%	37	12/10	4,000
3 Columbus Circle(7)	Moinian	48.90	%	48.90	%	769	01/11	500,000
280 Park Avenue(8)	Vornado	50.00	%	50.00	%	1,237	03/11	400,000
1552-1560 Broadway(9)	Sutton	50.00	%	50.00	%	49	08/11	136,550
747 Madison Avenue	Harel/Sutton	33.33	%	33.33	%	10	09/11	66,250
724 Fifth Avenue	Sutton	50.00	%	50.00	%	65	01/12	223,000
10 East 53rd Street	CPPIB	55.00	%	55.00	%	390	02/12	252,500
33 Beekman(10)	Harel/Private Investor	45.90	%	45.90	%	145	08/12	31,000
West Coast office portfolio(11)	Blackstone/SquareMile	36.01	%	36.01	%	4,474	09/12	880,103
521 Fifth Avenue(12)	Plaza	50.50	%	50.50	%	460	11/12	315,000
21 East 66th Street(13)	Private Investors	32.28	%	32.28	%	17	12/12	75,000
315 West 36th Street	Private Investors	35.50	%	35.50	%	148	12/12	45,000
Herald Center(6)	AG	40.00	%	40.00	%	365	01/13	50,000

(1)Acquisition price represents the actual or implied gross purchase price for the joint venture.

(2)In June 2012, this retail condominium was recapitalized. The recapitalization triggered a promote which resulted in a reduction of our economic interest. In addition, we sold 50% of our remaining interest at a property valuation of $617.6 million. We recognized $67.9 million of additional cash income, equivalent to profit, due to the distribution of refinancing proceeds and a gain on sale of $3.0 million. The refinancing replaced the $245.0 million floating rate mortgage loan, which bore interest at 275 basis points over LIBOR and was due to mature in September 2012, with a $300.0 million mortgage loan and $290.0 million mezzanine loan.

(3)In August 2012, Onyx made a capital contribution to the joint venture, which was distributed to us in full redemption of our preferred equity interest.

(4)The property is subject to a 13-year triple-net lease arrangement with a single tenant.  The lease commenced in 2007.

(5)In August 2011, the joint venture sold the property located at 63 Nassau Street for $2.8 million.

(6)The joint venture acquired a preferred equity interest in an entity that holds interest in a retail property located in Manhattan. The preferred equity bears interest at a rate of 8.75% per annum and matures in June 2016.

(7)We had an obligation to fund an additional $47.5 million to the joint venture, of which $46.8 million has been funded as of March 31, 2013. This liability is recorded in accrued interest payable and other liabilities. In addition, we made a $125.0 million bridge loan to this joint venture which bore interest at a rate of 7.5%. This loan was repaid when the joint venture refinanced its debt in April 2011. In September 2012, the joint venture sold to Young & Rubicam, Inc. a portion of the property, generally floors three through eight, through a condominium form of ownership, or Y&R units, for $143.6 million. As the joint venture has an option to repurchase the Y&R unit, no gain was recognized as a result of this transaction.

(8)In March 2011, we contributed our debt investment with a carrying value of $286.6 million to a newly formed joint venture in which we hold a 50% interest. We realized $38.7 million of additional income upon the contribution. This income is included in preferred equity and investment income. The joint venture paid us approximately $111.3 million and also assumed $30.0 million of related floating rate financing which matures in June 2016.  In May 2011, this joint venture took control of the underlying property as part of a recapitalization transaction which valued the investment at approximately $1.1 billion. We hold an effective 49.5% ownership interest in the joint venture.

(9)In connection with this acquisition, the joint venture also acquired a long-term leasehold interest in the retail space and certain other spaces at 1560 Broadway, which is adjacent to 1552 Broadway. The purchase price relates only to the purchase of the 1552 Broadway interest which comprises 13,045 square feet. In May 2012, we, along with Sutton, acquired the property at 155 West 46th Street for $8.4 million. In January 2013, we conveyed this property, which is adjacent to 1552 and 1560 Broadway, to the fee owner of 1560 Broadway.

(10)The joint venture acquired the fee interest in the property and will develop an approximately 30 story building for student housing. Upon completion of the development, the joint venture will convey a long-term ground lease condominium interest in the building to

20

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

Pace University.

(11)In September 2012, we, together with an affiliate of Blackstone, Gramercy Capital Corp., who in April 2013, changed its name to Gramercy Property Trust Inc. (NYSE: GPT), or Gramercy, and Square Mile, formed a joint venture to recapitalize a 31-property, 4.5-million-square-foot West Coast office portfolio. Following the recapitalization, Blackstone became the majority owner of the joint venture, with Equity Office Properties, a Blackstone affiliate, being responsible for the portfolio’s management and leasing. Prior to the recapitalization, the Company held $26.7 million in mezzanine and preferred equity positions in the entity that owned the portfolio. The new joint venture extended the $678.8 million mortgage secured by the portfolio for a term of two years with a one-year extension option. In addition, the joint venture entered into a new $68.0 million mezzanine loan for a term of two years. See Note 5, “Debt and Preferred Equity Investments.” In February 2013, we acquired Gramercy’s 10.73% interest in the joint venture and simultaneously sold 20.78% of the newly acquired interest to Square Mile.

(12)In November 2012, we sold our 49.5% partnership interest in 521 Fifth Avenue to Plaza Global Real Estate Partners for a gross valuation price of $315.0 million for this property. We recognized a gain of $19.4 million on the sale. We also refinanced the existing $150.0 million loan with a $170.0 million seven-year mortgage loan, which bears interest at 220 basis points over LIBOR. Following the sale, we deconsolidated the entity effective November 30, 2012 and accounted our investment under the equity method because of lack of control.

(13)We hold a 32.28% interest in the three retail and two residential units and a 16.14% in four residential units.

(14)In March 2013, Sutton conveyed its interest to us.

In July 2012, we, along with our joint venture partner, sold One Court Square for $481.1 million, which included the assumption by the purchaser of $315.0 million of existing debt. We recognized a gain of $1.0 million on the sale of this property.

In April 2012, we, along with our joint venture partner, Jeff Sutton, sold the property located at 379 Broadway for $48.5 million, inclusive of the fee position which was acquired for $13.5 million. We recognized a gain on sale of this investment of $6.5 million.

In March 2012, we, along with our joint venture partner, Jeff Sutton, sold the property located at 141 Fifth Avenue for $46.0 million. We recognized a gain on sale of this investment of $7.3 million.

21

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

We generally finance our joint ventures with non-recourse debt. However, in certain cases we have provided guarantees or master leases for tenant space. These guarantees and master leases terminate upon the satisfaction of specified circumstances or repayment of the underlying loans.  The first mortgage notes and other loans payable collateralized by the respective joint venture properties and assignment of leases at March 31, 2013 and December 31, 2012, respectively, are as follows (amounts in thousands):

Property	Maturity Date	Interest Rate(1)		March 31, 2013		December 31, 2012
21 East 66th Street(11)	04/2013	5.63	%	$	12,000	$	12,000
100 Park Avenue	09/2014	6.64	%	211,673		212,287
7 Renaissance	02/2015	10.00	%	856		856
11 West 34th Street	01/2016	4.82	%	17,418		17,491
280 Park Avenue	06/2016	6.57	%	710,000		710,000
21 West 34th Street	12/2016	5.76	%	100,000		100,000
1745 Broadway	01/2017	5.68	%	340,000		340,000
1 and 2 Jericho Plaza	05/2017	5.65	%	163,750		163,750
800 Third Avenue	08/2017	6.00	%	20,910		20,910
388 and 390 Greenwich Street(2)	12/2017	3.20	%	996,082		996,082
315 West 36th Street	12/2017	3.04	%	25,000		25,000
717 Fifth Avenue	07/2022	4.45	%	300,000		300,000
717 Fifth Avenue	06/2024	9.00	%	296,803		294,509
1604-1610 Broadway(3)	—	5.66	%	27,000		27,000
Total fixed rate debt				$	3,221,492	$	3,219,885
27-29 West 34th Street(4)	05/2013	2.20	%	$	53,238	$	53,375
1552 Broadway(5)	08/2013	3.18	%	119,322		113,869
16 Court Street	10/2013	2.70	%	84,731		84,916
180/182 Broadway(6)	12/2013	2.96	%	76,862		71,524
West Coast office portfolio	09/2014	3.94	%	742,112		745,025
747 Madison Avenue	10/2014	3.00	%	33,125		33,125
The Meadows(7)	09/2015	7.75	%	57,000		57,000
3 Columbus Circle(8)	04/2016	2.41	%	245,275		247,253
Other loan payable	06/2016	1.10	%	30,000		30,000
724 Fifth Avenue	01/2017	2.56	%	120,000		120,000
10 East 53rd Street	02/2017	2.71	%	125,000		125,000
33 Beekman(9)	08/2017	2.96	%	18,362		18,362
600 Lexington Avenue	10/2017	2.31	%	123,454		124,384
388 and 390 Greenwich Street(2)	12/2017	1.36	%	142,297		142,297
521 Fifth Avenue(10)	11/2019	2.41	%	170,000		170,000
21 East 66th Street	06/2033	2.88	%	2,033		2,033
Total floating rate debt				$	2,142,811	$	2,138,163
Total mortgages and other loan payable				$	5,364,303	$	5,358,048

(1)Effective weighted average interest rate for the three months ended March 31, 2013, taking into account interest rate hedges in effect during the period.

(2)These loans comprised of a $576.0 million mortgage and a $562.4 million mezzanine loan, both of which are fixed rate loans, except for $72.0 million of the mortgage and $70.3 million of the mezzanine loan which are floating.  Up to $200.0 million of the mezzanine loan, secured indirectly by these properties, is recourse to us.  We believe it is unlikely that we will be required to perform under this guarantee.

(3)This loan went into default in November 2009 due to the non-payment of debt service.

(4)This loan was refinanced at maturity.

(5)This loan has a committed amount of $125.0 million. In April 2013, we refinanced the existing loan with a $200.0 million three-year loan comprised of a $170.0 million mortgage loan, which carries a floating rate of interest of 270 basis points over LIBOR, and a $30.0 mezzanine loan, which carries a floating rate of interest of 9.35% over LIBOR. The loan has two one-year extension options.

(6)This loan has a committed amount of $90.0 million.

(7)As a result of the refinancing and restructuring in August 2012, we replaced the existing loan with a $60.0 million, three-year mortgage and recognized additional income of $10.8 million due to the repayment of the previous mortgage at a discount. As of March 31, 2013, $3.0 million of the existing loan remained unfunded.

(8)In April 2011, our joint venture with The Moinian Group which owns the property located at 3 Columbus Circle, New York, obtained a $260.0 million five-year mortgage with the Bank of China, which carries a floating rate of interest of 210 basis points over the 30-day LIBOR. The joint venture has the ability to increase the mortgage by $40.0 million based on meeting certain performance hurdles. In connection with this obligation, we executed a master lease agreement. Our partner has

22

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

executed a contribution agreement to reflect its pro rata obligation under the master lease. In February 2012, the terms of the mortgage were modified to remove the Y&R condominium from the mortgage lien and from the existing master lease. See Note 7 of prior table.

(9)This loan has a committed amount of $75.0 million, which is recourse to us. Our partner has indemnified us for its pro rata share of the recourse guarantee. A portion of the guarantee terminates upon the joint venture reaching certain milestones. We believe it is unlikely that we will be required to perform under this guarantee.

(10)In connection with the sale of our 49.5% membership interest in the entity, the existing loan was refinanced with a $170.0 million seven-year mortgage. As we no longer control the entity, we deconsolidated the entity effective November 30, 2012. See Note 12 of prior table.

(11)In April 2013, this loan was refinanced and its maturity was extended to April 2023. The new loan bears interest at a fixed rate of 3.6% per annum.

We act as the operating partner and day-to-day manager for all our joint ventures, except for 800 Third Avenue, 1 and 2 Jericho Plaza, 3 Columbus Circle and The Meadows. We are entitled to receive fees for providing management, leasing, construction supervision and asset management services to our joint ventures. We earned approximately $2.6 million and $1.9 million from these services for the three months ended March 31, 2013, and 2012, respectively. In addition, we have the ability to earn incentive fees based on the ultimate financial performance of certain of the joint venture properties.

The combined balance sheets for the unconsolidated joint ventures, at March 31, 2013 and December 31, 2012, are as follows (in thousands):

	March 31, 2013		December 31, 2012
Assets
Commercial real estate property, net	$	6,965,366	$	6,910,991
Other assets	789,684		728,113
Total assets	$	7,755,050	$	7,639,104
Liabilities and members’ equity
Mortgages and other loans payable	$	5,364,303	$	5,358,048
Other liabilities	405,820		406,929
Members’ equity	1,984,927		1,874,127
Total liabilities and members’ equity	$	7,755,050	$	7,639,104
Company’s net investment in unconsolidated joint ventures	$	1,073,130	$	1,032,243

The combined statements of income for the unconsolidated joint ventures, from acquisition date through the three months ended March 31, 2013 and 2012 are as follows (in thousands):

	Three Months Ended
	March 31,
	2013		2012
Total revenues	$	151,231	$	120,048
Operating expenses	28,611		16,766
Ground rent	657		918
Real estate taxes	17,305		13,374
Interest, net of interest income	56,407		54,868
Depreciation and amortization	46,894		38,550
Transaction related costs	—		268
Total expenses	149,874		124,744
Net income (loss)	$	1,357	$	(4,696	)
Company’s equity in net income (loss) of unconsolidated joint ventures	$	5,073	$	(1,560	)

23

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

Gramercy Capital Corp.

In April 2004, we formed Gramercy as a commercial real estate finance business.  Gramercy qualified as a REIT for federal income tax purposes and expects to qualify for its current fiscal year.

At March 31, 2013, we held 0.7 million shares, or approximately 1.3% of Gramercy’s common stock. Our total investment of approximately $3.9 million is based on the market value of our common stock investment in Gramercy at March 31, 2013.  As we no longer have any significant influence over Gramercy, we account for our investment as available-for-sale securities.

Effective May 2005, June 2009 and October 2009, Gramercy entered into lease agreements with an affiliate of ours, for their corporate offices at 420 Lexington Avenue, New York, New York.  The first lease is for approximately 7,300 square feet and carries a term of ten years with rents of approximately $249,000 per annum for year one increasing to $315,000 per annum in year ten.  The second lease is for approximately 900 square feet pursuant to a lease which ends in April 2015, with annual rent under this lease of approximately $35,300 per annum for year one increasing to $42,800 per annum in year six.  The third lease is for approximately 1,400 square feet pursuant to a lease which ends in April 2015, with annual rent under this lease of approximately $67,300 per annum for year one increasing to $80,500 per annum in year six.

Effective June 2012, the first and third leases were amended and replaced with a new lease for approximately 8,100 square feet pursuant to a lease which ends in April 2015, with annual rent under this lease of approximately $345,000 for year one increasing to $357,000 in year three.

Marc Holliday, our chief executive officer, remains a board member of Gramercy.

7.  Deferred Costs

Deferred costs at March 31, 2013 and December 31, 2012 consisted of the following (in thousands):

	March 31, 2013			December 31, 2012
Deferred financing	$	148,662		$	152,596
Deferred leasing	289,678			285,931
	438,340			438,527
Less accumulated amortization	(186,322		)	(177,382		)
Deferred costs, net	$	252,018		$	261,145

24

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

8.  Mortgages and Other Loans Payable

The first mortgages and other loans payable collateralized by the respective properties and assignment of leases at March 31, 2013 and December 31, 2012, respectively, were as follows (amounts in thousands):

Property	Maturity Date	Interest Rate(1)		March 31, 2013		December 31, 2012
220 East 42nd Street	11/2013	5.25	%	$	184,698	$	185,906
609 Partners, LLC(2)	07/2014	5.00	%	23		23
125 Park Avenue	10/2014	5.75	%	146,250		146,250
711 Third Avenue	06/2015	4.99	%	120,000		120,000
625 Madison Avenue	11/2015	7.22	%	124,481		125,603
500 West Putnam	01/2016	5.52	%	23,930		24,060
420 Lexington Avenue	09/2016	7.50	%	184,612		184,992
Landmark Square	12/2016	4.00	%	84,097		84,486
485 Lexington Avenue	02/2017	5.61	%	450,000		450,000
120 West 45th Street	02/2017	6.12	%	170,000		170,000
300 Main Street	02/2017	5.75	%	11,500		11,500
762 Madison Avenue	02/2017	3.75	%	8,331		8,371
2 Herald Square	04/2017	5.36	%	191,250		191,250
885 Third Avenue	07/2017	6.26	%	267,650		267,650
Other loan payable(3)	09/2019	8.00	%	50,000		50,000
One Madison Avenue	05/2020	5.91	%	602,584		607,678
100 Church	07/2022	4.68	%	230,000		230,000
919 Third Avenue(4)	06/2023	5.12	%	500,000		500,000
400 East 57th Street	02/2024	4.13	%	70,000		70,000
400 East 58th Street	02/2024	4.13	%	30,000		30,000
1515 Broadway(5)	03/2025	3.93	%	900,000		—
Total fixed rate debt				$	4,349,406	$	3,457,769
Master repurchase(6)	09/2013	3.21	%	$	174,966	$	116,667
180 Maiden Lane(7)	11/2016	2.41	%	269,113		271,215
248-252 Bedford Avenue	03/2018	2.46	%	22,000		—
1515 Broadway(5)	—	—		—		769,813
Total floating rate debt				$	466,079	$	1,157,695
Total mortgages and other loans payable				$	4,815,485	$	4,615,464

(1)Effective weighted average interest rate for the three months ended March 31, 2013, taking into account interest rate hedges in effect during the period.

(2)As part of an acquisition, the Operating Partnership issued 63.9 million units of our 5.0% Series E preferred units, or the Series E units, with a liquidation preference of $1.00 per unit. As of March 31, 2013, 63.8 million Series E units had been redeemed.

(3)This loan is secured by a portion of a preferred equity investment.

(4)We own a 51% controlling interest in the joint venture that is the borrower on this loan. This loan is non-recourse to us.

(5)We have consolidated this investment since we acquired the remaining interest in this joint venture in April 2011. In April 2012, we refinanced the $447.2 million mortgage that was due in December 2014 with a $775.0 million seven-year mortgage, which carried interest at the rate equal to the greater of (a) 285 basis points over 90-day LIBOR or (b) 3.6% per annum. In February 2013, we refinanced the $775.0 million mortgage with a new $900.0 million 12-year mortgage, which carries a rate of interest of 3.93% per annum and realized a net loss on early extinguishment of debt of approximately $18.5 million, including a prepayment penalty of $7.6 million.

(6)In September 2012, we entered into a Master Repurchase Agreement, or MRA, with a financial institution, with a maximum facility capacity of $175.0 million, under which we agreed to sell certain debt investments in exchange for cash with a simultaneous agreement to repurchase the same debt investments at a certain date or on demand. The MRA’s interest rate is based on 1-month LIBOR plus 300 basis points. The MRA matures in September 2013, and has a one-year extension option.

(7)In connection with this consolidated joint venture obligation, we executed a master lease agreement. Our partner has executed a contribution agreement to reflect its pro rata share of the obligation under the master lease.

At March 31, 2013 and December 31, 2012, the gross book value of the properties and debt and preferred equity investments collateralizing the mortgages and other loans payable was approximately $7.8 billion and $7.6 billion, respectively.

25

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

9.  Corporate Indebtedness

2012 Credit Facility

In November 2012, we entered into a $1.6 billion credit facility, or the 2012 credit facility, which refinanced, extended and upsized the previous 2011 revolving credit facility. The 2012 credit facility consists of a $1.2 billion revolving credit facility, or the revolving credit facility, and a $400.0 million term loan, or the term loan facility.  The revolving credit facility matures in March 2017 and includes two six-month extension options, subject to certain conditions and the payment of an extension fee of 10 basis points for each such extension. We also have an option, subject to customary conditions, without the consent of existing lenders, to increase the capacity under the revolving credit facility to $1.5 billion at any time prior to the maturity date for the revolving credit facility, by obtaining additional commitments from our current lenders and other financial institutions. The term loan facility matures on March 30, 2018.

The 2012 credit facility bears interest at a spread over LIBOR ranging from (i) 100 basis points to 175 basis points for loans under the revolving credit facility and (ii) 115 basis points to 200 basis points for loans under the term loan facility, in each case based on the credit rating assigned to the senior unsecured long term indebtedness of ROP. At March 31, 2013, the applicable spread was 145 basis points for revolving credit facility and 165 basis points for the term loan facility. We are required to pay quarterly in arrears a 15 to 35 basis point fee on the unused balance of the commitments under the revolving credit facility. As of March 31, 2013, the facility fee was 30 basis points. At March 31, 2013, we had approximately $91.9 million of outstanding letters of credit, $30.0 million borrowings under the revolving credit facility and $400.0 million outstanding under the term loan facility, with undrawn capacity of $1.2 billion under the 2012 credit facility.

We, ROP and the Operating Partnership are all borrowers jointly and severally obligated under the 2012 credit facility. No other subsidiary of ours is an obligor under the 2012 credit facility.

The 2012 credit facility includes certain restrictions and covenants (see Restrictive Covenants below).

2011 Revolving Credit Facility

The 2012 credit facility replaced our $1.5 billion revolving credit facility, or the 2011 revolving credit facility, which was terminated concurrently with the entering into the 2012 credit facility. The 2011 revolving credit facility bore interest at a spread over LIBOR ranging from 100 basis points to 185 basis points, based on the credit rating assigned to the senior unsecured long term indebtedness of ROP, and required us to pay quarterly in arrears a 17.5 to 45 basis point facility fee on the total commitments under the 2011 revolving credit facility. The 2011 revolving credit facility included certain restrictions and covenants and, as of the time of the termination of the 2011 revolving credit facility and as of November 2012, we were in compliance with all such restrictions and covenants.

Senior Unsecured Notes

The following table sets forth our senior unsecured notes and other related disclosures as of March 31, 2013 and December 31, 2012, respectively by scheduled maturity date (amounts in thousands):

Issuance	March 31, 2013 Unpaid Principal Balance		March 31, 2013 Accreted Balance		December 31, 2012 Accreted Balance		Coupon Rate(1)		Effective Rate		Term (in Years)	Maturity
August 13, 2004(2)(3)	$	75,898	$	75,898	$	75,898	5.88	%	5.88	%	10	August 15, 2014
March 31, 2006(2)(3)	255,308		255,175		255,165		6.00	%	6.02	%	10	March 31, 2016
October 12, 2010(4)	345,000		289,919		287,373		3.00	%	7.13	%	7	October 15, 2017
August 5, 2011(5)	250,000		249,636		249,620		5.00	%	5.03	%	7	August 15, 2018
March 16, 2010(5)	250,000		250,000		250,000		7.75	%	7.75	%	10	March 15, 2020
November 15, 2012(5)	200,000		200,000		200,000		4.50	%	4.50	%	10	December 1, 2022
June 27, 2005(2)(6)	7		7		7		4.00	%	4.00	%	20	June 15, 2025
March 26, 2007(7)	11,953		11,953		16,893		3.00	%	3.00	%	20	March 30, 2027
	$	1,388,166	$	1,332,588	$	1,334,956

(1)Interest on the senior unsecured notes is payable semi-annually with principal and unpaid interest due on the scheduled maturity dates.

(2)Issued by ROP.

26

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

(3)On December 27, 2012, we repurchased $42.4 million of aggregate principal amount of these notes, consisting of $22.7 million of the 5.875% Notes and $19.7 million of the 6.0% Notes, for a total consideration of $46.4 million and realized a net loss on early extinguishment of debt of approximately $3.8 million.

(4)In October 2010, the Operating Partnership issued $345.0 million of these exchangeable notes.  Interest on these notes is payable semi-annually on April 15 and October 15. The notes had an initial exchange rate representing an exchange price that was set at a 30.0% premium to the last reported sale price of our common stock on October 6, 2010, or $85.81. The initial exchange rate is subject to adjustment under certain circumstances. The current exchange rate is 11.6800 shares of our common stock per $1,000 principal amount of these notes. The notes are senior unsecured obligations of the Operating Partnership and are exchangeable upon the occurrence of specified events and during the period beginning on the twenty-second scheduled trading day prior to the maturity date and ending on the second business day prior to the maturity date, into cash or a combination of cash and shares of our common stock, if any, at our option. The notes are guaranteed by ROP. On the issuance date, $78.3 million of the debt balance was recorded in equity. As of March 31, 2013, approximately $55.1 million remained to be amortized into the debt balance.

(5)Issued by us, the Operating Partnership and ROP, as co-obligors.

(6)Exchangeable senior debentures which are currently callable at par. In addition, the debentures can be put to ROP, at the option of the holder at par plus accrued and unpaid interest, on June 15, 2015 and 2020 and upon the occurrence of certain change of control transactions. As a result of the acquisition of all outstanding shares of common stock of Reckson, or the Reckson Merger, the adjusted exchange rate for the debentures is 7.7461 shares of our common stock per $1,000 of principal amount of debentures and the adjusted reference dividend for the debentures is $1.3491.  During the year ended December 31, 2012, we repurchased $650,000 of these bonds at par.

(7)In March 2007, the Operating Partnership issued $750.0 million of these exchangeable notes.  Interest on these notes is payable semi-annually on March 30 and September 30. The notes have an initial exchange rate representing an exchange price that was set at a 25.0% premium to the last reported sale price of our common stock on March 20, 2007, or $173.30. The initial exchange rate is subject to adjustment under certain circumstances. The notes are senior unsecured obligations of the Operating Partnership and are exchangeable upon the occurrence of specified events and during the period beginning on the twenty-second scheduled trading day prior to the maturity date and ending on the second business day prior to the maturity date, into cash or a combination of cash and shares of our common stock, if any, at our option. The notes are currently redeemable at the Operating Partnership’s option. The Operating Partnership may be required to repurchase the notes on March 30, 2017 and 2022, and upon the occurrence of certain designated events. On March 30, 2012, we repurchased $102.2 million of aggregate principal amount of the exchangeable notes pursuant to a mandatory offer to repurchase the notes. On the issuance date, $66.6 million was recorded in equity and was fully amortized into the debt balance as of March 31, 2012. On January 2, 2013, we repurchased $4.9 million of aggregate principal amount of exchangeable notes at 99.6% of the principal amount.

Restrictive Covenants

The terms of the 2012 credit facility and certain of our senior unsecured notes include certain restrictions and covenants which may limit, among other things, our ability to pay dividends, make certain types of investments, incur additional indebtedness, incur liens and enter into negative pledge agreements and dispose of assets, and which require compliance with financial ratios relating to the minimum amount of tangible net worth, a maximum ratio of total indebtedness to total asset value, a minimum ratio of EBITDA to fixed charges, a maximum ratio of secured indebtedness to total asset value and a maximum ratio of unsecured indebtedness to unencumbered asset value.  The dividend restriction referred to above provides that we will not during any time when a default is continuing, make distributions with respect to common stock or other equity interests, except to enable us to continue to qualify as a REIT for Federal income tax purposes. As of March 31, 2013 and December 31, 2012, we were in compliance with all such covenants.

Junior Subordinate Deferrable Interest Debentures

In June 2005, we issued $100.0 million in unsecured floating rate trust preferred securities through a newly formed trust, SL Green Capital Trust I, or the Trust, which is a wholly-owned subsidiary of the Operating Partnership. The proceeds from the security offering were transferred to the Operating Partnership as a loan. The securities mature in 2035 and bear interest at a fixed rate of 5.61% for the first ten years ending July 2015.  Interest payments may be deferred for a period of up to eight consecutive quarters if the Operating Partnership exercises its right to defer such payments.  The trust preferred securities are redeemable, at the option of the Operating Partnership, in whole or in part, with no prepayment premium.  We do not consolidate the Trust even though it is a variable interest entity as we are not the primary beneficiary.  Because the Trust is not consolidated, we have recorded the debt on our balance sheet and the related payments are classified as interest expense.

27

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

Principal Maturities

Combined aggregate principal maturities of mortgages and other loans payable, revolving credit facility, trust preferred securities, term loan and senior unsecured notes and our share of joint venture debt as of March 31, 2013, including as-of-right extension options, were as follows (in thousands):

	Scheduled Amortization		Principal Repayments		Revolving Credit Facility		Trust Preferred Securities		Term Loan and Senior Unsecured Notes		Total		Joint Venture Debt
2013	$	30,878	$	357,308	$	—	$	—	$	—	$	388,186	$	185,130
2014	43,668		146,273		—		—		75,898		265,839		364,191
2015	46,325		229,537		—		—		7		275,869		36,886
2016	56,839		516,667		—		—		255,175		828,681		527,682
2017	60,897		1,098,064		—		—		301,872		1,460,833		933,612
Thereafter	367,307		1,861,722		30,000		100,000		1,099,636		3,458,665		151,642
	$	605,914	$	4,209,571	$	30,000	$	100,000	$	1,732,588	$	6,678,073	$	2,199,143

Consolidated interest expense, excluding capitalized interest, was comprised of the following (in thousands):

	Three Months Ended March 31,
	2013			2012
Interest expense	$	81,789		$	80,547
Interest income	(453		)	(410		)
Interest expense, net	$	81,336		$	80,137
Interest capitalized	$	3,062		$	2,536

10.  Fair Value of Financial Instruments

The following disclosures of estimated fair value were determined by management, using available market information and appropriate valuation methodologies as discussed in Note 2, “Significant Accounting Policies.”  Considerable judgment is necessary to interpret market data and develop estimated fair value.  Accordingly, the estimates presented herein are not necessarily indicative of the amounts we could realize on disposition of the financial instruments.  The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

Cash and cash equivalents, restricted cash, accounts receivable and accounts payable balances reasonably approximate their fair values due to the short maturities of these items.  Mortgages and other loans payable, junior subordinate deferrable interest debentures and the senior unsecured notes had an estimated fair value based on discounted cash flow models, based on Level 3 inputs, of approximately $6.3 billion, compared to the book value of the related fixed rate debt of approximately $5.8 billion at March 31, 2013.  Our floating rate debt, inclusive of our 2012 credit facility, but excluding $30.0 million of which was swapped, had an estimated fair value based on discounted cash flow models, based on Level 3 inputs, of approximately $0.9 billion, compared to the book value of the related floating rate debt of approximately $0.9 billion at March 31, 2013. Our debt and preferred equity investments had an estimated fair value ranging between $1.4 billion and $1.5 billion, compared to the book value of the related debt and preferred equity investments of approximately $1.4 billion at March 31, 2013, based on Level 3 inputs.

Disclosure about fair value of financial instruments is based on pertinent information available to us as of March 31, 2013.  Although we are not aware of any factors that would significantly affect the reasonable fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since that date and current estimates of fair value may differ significantly from the amounts presented herein.

11.  Related Party Transactions

Cleaning/ Security/ Messenger and Restoration Services

Through Alliance Building Services, or Alliance, First Quality Maintenance, L.P., or First Quality, provides cleaning, extermination and related services, Classic Security LLC provides security services, Bright Star Couriers LLC provides messenger services, and Onyx Restoration Works provides restoration services with respect to certain properties owned by us.  Alliance is partially owned by Gary Green, a son of Stephen L. Green, the chairman of our board of directors.  In addition, First Quality has the non-exclusive

28

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

opportunity to provide cleaning and related services to individual tenants at our properties on a basis separately negotiated with any tenant seeking such additional services.  The Service Corporation has entered into an arrangement with Alliance whereby it will receive a profit participation above a certain threshold for services provided by Alliance to certain tenants at certain buildings above the base services specified in their lease agreements.  Alliance paid the Service Corporation approximately $1.0 million and $0.8 million for the three months ended March 31, 2013 and 2012, respectively.  We paid Alliance approximately $4.1 million and $3.5 million for the three months ended March 31, 2013 and 2012, respectively, for these services (excluding services provided directly to tenants).

Marketing Services

A-List Marketing, LLC, or A-List, provides marketing services to us.  Ms. Deena Wolff, a sister of Mr. Marc Holliday, is the owner of A-List. The aggregate amount of fees we paid to A-List for these marketing services was approximately $2,400 and $11,700 for the three months ended March 31, 2013 and 2012, respectively.

Leases

Nancy Peck and Company leases 1,003 square feet of space at 420 Lexington Avenue under a lease that ends in August 2015.  Nancy Peck and Company is owned by Nancy Peck, the wife of Stephen L. Green.  The rent due pursuant to the lease was $35,516 per annum for year one increasing to $40,000 in year seven.

Management Fees

S.L. Green Management Corp., a consolidated entity, receives property management fees from an entity in which Stephen L. Green owns an interest. The aggregate amount of fees paid to S.L. Green Management Corp. from such entity was approximately $118,200 and $89,000 for the three months ended March 31, 2013 and 2012, respectively.

Other

Amounts due from/to related parties at March 31, 2013 and December 31, 2012 consisted of the following (in thousands):

	March 31, 2013		December 31, 2012
Due from joint ventures	$	4,032	$	511
Other	7,137		7,020
Related party receivables	$	11,169	$	7,531
Due to a joint venture (included in Accounts payable and accrued expenses)	$	—	$	(8,401	)

Gramercy Capital Corp.

See Note 6, “Investments in Unconsolidated Joint Ventures — Gramercy Capital Corp.,” for disclosure on related party transactions between Gramercy and us.

12.  Stockholders’ Equity

Common Stock

Our authorized capital stock consists of 260,000,000 shares, $0.01 par value, of which we have authorized the issuance of up to 160,000,000 shares of common stock, $0.01 par value per share, 75,000,000 shares of excess stock, at $0.01 par value per share, and 25,000,000 shares of preferred stock, par value $0.01 per share.  As of March 31, 2013, 91,555,082 shares of common stock and no shares of excess stock were issued and outstanding.

In July 2011, we, along with the Operating Partnership, entered into an “at-the-market” equity offering program, or ATM Program, to sell an aggregate of $250.0 million of our common stock. As of March 31, 2013, we had $45.4 million available to issue under the ATM Program.

Perpetual Preferred Stock

We have 9,200,000 shares of our 6.50% Series I cumulative redeemable preferred stock, or the Series I preferred stock, outstanding with a mandatory liquidation preference of $25.00 per share. The Series I preferred stockholders receive annual dividends of $1.625 per share paid on a quarterly basis and dividends are cumulative, subject to certain provisions.  We are entitled to redeem the Series I preferred stock at par for cash at our option on or after August 10, 2017. In August 2012, we received $221.9 million in net proceeds from the issuance of the Series I preferred stock, which were recorded net of underwriters’ discount and issuance costs.

29

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

We have 7,700,000 shares of our 7.625% Series C cumulative redeemable preferred stock, or the Series C preferred stock, outstanding with a mandatory liquidation preference of $25.00 per share. The Series C preferred stockholders receive annual dividends of $1.90625 per share paid on a quarterly basis and dividends are cumulative, subject to certain provisions.  We are entitled to redeem the Series C preferred stock at par for cash at our option.  The Series C preferred stock was recorded net of underwriters discount and issuance costs. In September 2012, we redeemed 4,000,000 shares of our 11,700,000 shares of Series C preferred stock at a redemption price of $25.00 per share plus $0.3707 in accumulated and unpaid dividends on such preferred stock through September 24, 2012 and recognized $6.3 million of costs to redeem partially the Series C preferred stock.

In July 2012, we redeemed all 4,000,000 shares of our 7.875% Series D cumulative redeemable preferred stock, or Series D preferred stock, at a redemption price of $25.00 per share plus $0.4922 in accumulated and unpaid dividends on such preferred stock through July 14, 2012 and recognized $3.7 million of costs to redeem the Series D preferred stock. The Series D preferred stockholders received annual dividends of $1.96875 per share paid on a quarterly basis and dividends were cumulative, subject to certain provisions.

Dividend Reinvestment and Stock Purchase Plan

In March 2012, we filed a registration statement with the SEC for our dividend reinvestment and stock purchase plan, or DRIP, which automatically became effective upon filing. We registered 3,500,000 shares of our common stock under the DRIP. The DRIP commenced on September 24, 2001.

During the three months ended March 31, 2013 and 2012, we issued approximately 170 shares and 1.3 million shares of our common stock and received approximately $13,000 and $99.5 million of proceeds, respectively, from dividend reinvestments and/or stock purchases under the DRIP. DRIP shares may be issued at a discount to the market price.

Second Amended and Restated 2005 Stock Option and Incentive Plan

We have a stock option and incentive plan. The Second Amended and Restated 2005 Stock Option and Incentive Plan, or the 2005 Plan, was approved by our board of directors in April 2010 and our stockholders in June 2010 at our annual meeting of stockholders. The 2005 Plan authorizes the issuance of stock options, stock appreciation rights, unrestricted and restricted stock, phantom shares, dividend equivalent rights and other equity-based awards. Subject to adjustments upon certain corporate transactions or events, awards with respect to up to a maximum of 10,730,000 fungible units may be granted under the 2005 Plan. Currently, different types of awards count against the limit on the number of fungible units differently, with (1) full-value awards (i.e., those that deliver the full value of the award upon vesting, such as restricted stock) counting as 1.65 fungible units per share subject to such award (2) stock options, stock appreciation rights and other awards that do not deliver full value and expire five year from the date of grant counting as 0.79 fungible units per share subject to such award and (3) all other awards (e.g., ten-year stock options) counting as 1.0 fungible units per share subject to such award. Awards granted under the 2005 Plan prior to the approval of the second amendment and restatement in June 2010 continue to count against the fungible unit limit based on the ratios that were in effect at the time such awards were granted, which may be different than the current ratios. As a result, depending on the types of awards issued, the 2005 Plan may result in the issuance of more or less than 10,730,000 shares. If a stock option or other award granted under the 2005 Plan expires or terminates, the common stock subject to any portion of the award that expires or terminates without having been exercised or paid, as the case may be, will again become available for the issuance of additional awards. Shares of our common stock distributed under the 2005 Plan may be treasury shares or authorized but unissued shares. Currently, unless the 2005 Plan has been previously terminated by the board of directors, new awards may be granted under the 2005 Plan until June 15, 2020, which is the tenth anniversary of the date that the 2005 Plan was most recently approved by our stockholders. As of March 31, 2013, no fungible units were available for issuance under the 2005 Plan after reserving for shares underlying outstanding restricted stock units, phantom stock units granted pursuant to our Non-Employee Directors’ Deferral Program and LTIP Units, including, among others, outstanding LTIP Units issued under our 2011 Long-Term Outperformance Plan, which remain subject to performance-based vesting.

Options are granted under the plan at the fair market value on the date of grant and, subject to termination of employment, generally expire ten years from the date of grant, are not transferable other than on death, and generally vest in one to five years commencing one year from the date of grant.

30

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

The fair value of each stock option granted is estimated on the date of grant using the Black-Scholes option pricing model based on historical information with the following weighted average assumptions for grants during the three months ended March 31, 2013 and the year ended December 31, 2012.

	March 31,2013		December 31,2012
Dividend yield	2.00	%	2.00	%
Expected life of option	4.7 years		3.7 years
Risk-free interest rate	0.68	%	0.46	%
Expected stock price volatility	35.50	%	37.40	%

A summary of the status of our stock options as of March 31, 2013 and December 31, 2012 and changes during the three months ended March 31, 2013 and the year ended December 31, 2012 are presented below:

	March 31, 2013					December 31, 2012
	Options Outstanding			Weighted Average ExercisePrice		Options Outstanding			Weighted Average Exercise Price
Balance at beginning of year	1,201,000			$	75.05	1,277,200			$	63.37
Granted	201,000			76.67		361,331			75.36
Exercised	(79,036		)	50.22		(382,612		)	36.65
Lapsed or cancelled	(4,000		)	67.64		(54,919		)	72.99
Balance at end of period	1,318,964			$	76.81	1,201,000			$	75.05
Options exercisable at end of period	585,786			$	81.38	479,913			$	86.85
Weighted average fair value of options granted during the period	$	3,867,342				$	6,602,967

All options were granted within a price range of $20.67 to $137.18. The remaining weighted average contractual life of the options outstanding was 4.45 years and the remaining average contractual life of the options exercisable was 3.75 years.

During the three months ended March 31, 2013 and 2012, we recognized approximately $1.3 million and $1.7 million of compensation expense, respectively, for these options. As of March 31, 2013, there was approximately $11.6 million of total unrecognized compensation cost related to unvested stock options, which is expected to be recognized over a weighted-average period of three years.

Stock-based Compensation

Effective January 1, 1999, we implemented a deferred compensation plan, or the Deferred Plan, covering certain of our employees, including our executives.  The shares issued under the Deferred Plan were granted to certain employees, including our executives, and vesting will occur annually upon the completion of a service period or our meeting established financial performance criteria.  Annual vesting occurs at rates ranging from 15% to 35% once performance criteria are reached.

A summary of our restricted stock as of March 31, 2013 and December 31, 2012 and charges during the three months ended March 31, 2013 and the year ended December 31, 2012 is presented below:

	March 31, 2013			December 31, 2012
Balance at beginning of year	2,804,901			2,912,456
Granted	—			92,729
Cancelled	(300		)	(200,284		)
Balance at end of period	2,804,601			2,804,901
Vested during the period	500			408,800
Compensation expense recorded	$	1,464,223		$	6,930,381
Weighted average fair value of restricted stock granted during the period	$	—		$	7,023,942

31

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

The fair value of restricted stock that vested during the three months ended March 31, 2013 and year ended December 31, 2012 was $0.02 million and $22.4 million, respectively. As of March 31, 2013, there was $10.5 million of total unrecognized compensation cost related to unvested restricted stock, which is expected to be recognized over a weighted-average period of approximately 2.2 years.

For each of the three months ended March 31, 2013 and 2012, approximately $1.0 million was capitalized to assets associated with compensation expense related to our long-term compensation plans, restricted stock and stock options.

2010 Notional Unit Long-Term Compensation Plan

In December 2009, the compensation committee of our board of directors approved the general terms of the SL Green Realty Corp. 2010 Notional Unit Long-Term Compensation Program, or the 2010 Long Term Compensation Plan.  The 2010 Long-Term Compensation Plan is a long-term incentive compensation plan pursuant to which award recipients could earn, in the aggregate, from approximately $15 million up to approximately $75 million of LTIP Units in the Operating Partnership based on our stock price appreciation over three years beginning on December 1, 2009; provided that, if maximum performance had been achieved, approximately $25 million of awards could be earned at any time after the beginning of the second year and an additional approximately $25 million of awards could be earned at any time after the beginning of the third year. In order to achieve maximum performance under the 2010 Long-Term Compensation Plan, our aggregate stock price appreciation during the performance period had to equal or exceed 50%. The compensation committee determined that maximum performance had been achieved at or shortly after the beginning of each of the second and third years of the performance period and for the full performance period and, accordingly, 366,815 LTIP Units, 385,583 LTIP Units and 327,416 LTIP Units were earned under the 2010 Long-Term Compensation Plan in December 2010, 2011 and 2012, respectively. Substantially in accordance with the original terms of the program, 50% of these LTIP Units vested on December 17, 2012 (accelerated from the original January 1, 2013 vesting date) and the remainder is scheduled to vest ratably on January 1, 2014 and 2015 based on continued employment. In accordance with the terms of the 2010 Long-Term Compensation Plan, distributions were not paid on any LTIP Units until they were earned, at which time we paid all distributions that would have been paid on the earned LTIP Units since the beginning of the performance period.

The cost of the 2010 Long Term Compensation Plan (approximately $31.7 million, subject to forfeitures) will be amortized into earnings through the final vesting period. We recorded compensation expense of approximately $1.9 million during each of the three months ended March 31, 2013 and 2012, respectively, related to the 2010 Long-Term Compensation Plan.

2011 Outperformance Plan

In August 2011, the compensation committee of our board of directors approved the general terms of the SL Green Realty Corp. 2011 Outperformance Plan, or the 2011 Outperformance Plan. Participants in the 2011 Outperformance Plan may earn, in the aggregate, up to $85 million of LTIP Units in the Operating Partnership based on our total return to stockholders for the three-year period beginning September 1, 2011. Under the 2011 Outperformance Plan, participants will be entitled to share in a “performance pool” comprised of LTIP Units with a value equal to 10% of the amount, if any, by which our total return to stockholders during the three-year period exceeds a cumulative total return to stockholders of 25%, subject to the maximum of $85 million of LTIP Units; provided that if maximum performance has been achieved, approximately one-third of each award may be earned at any time after the beginning of the second year and an additional approximately one-third of each award may be earned at any time after the beginning of the third year. LTIP Units earned under the 2011 Outperformance Plan will be subject to continued vesting requirements, with 50% of any awards earned vesting on August 31, 2014 and the remaining 50% vesting on August 31, 2015, subject to continued employment with us through such dates. Participants will not be entitled to distributions with respect to LTIP Units granted under the 2011 Outperformance Plan unless and until they are earned. If LTIP Units are earned, each participant will also be entitled to the distributions that would have been paid had the number of earned LTIP Units been issued at the beginning of the performance period, with such distributions being paid in the form of additional LTIP Units. Thereafter, distributions will be paid currently with respect to all earned LTIP Units, whether vested or unvested.

The cost of the 2011 Outperformance Plan (approximately $26.1 million, subject to forfeitures) will be amortized into earnings through the final vesting period. We recorded compensation expense of approximately $2.8 million and $1.2 million during the three months ended March 31, 2013 and 2012, respectively, related to the 2011 Outperformance Plan.

Deferred Stock Compensation Plan for Directors

Under our Independent Director’s Deferral Program, which commenced July 2004, our non-employee directors may elect to defer up to 100% of their annual retainer fee, chairman fees and meeting fees.  Unless otherwise elected by a participant, fees deferred under the program shall be credited in the form of phantom stock units.  The phantom stock units are convertible into an equal number of shares of common stock upon such directors’ termination of service from the board of directors or a change in control by us, as defined by the program.  Phantom stock units are credited to each non-employee director quarterly using the closing price of our

32

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

common stock on the applicable dividend record date for the respective quarter.  Each participating non-employee director’s account is also credited for an equivalent amount of phantom stock units based on the dividend rate for each quarter.

During the three months ended March 31, 2013, no phantom stock units were earned.  As of March 31, 2013, there were approximately 72,706 phantom stock units outstanding.

Employee Stock Purchase Plan

On September 18, 2007, our board of directors adopted the 2008 Employee Stock Purchase Plan, or ESPP, to encourage our employees to increase their efforts to make our business more successful by providing equity-based incentives to eligible employees.  The ESPP is intended to qualify as an “employee stock purchase plan” under Section 423 of the Code, and has been adopted by the board to enable our eligible employees to purchase our shares of common stock through payroll deductions.  The ESPP became effective on January 1, 2008 with a maximum of 500,000 shares of the common stock available for issuance, subject to adjustment upon a merger, reorganization, stock split or other similar corporate change.  We filed a registration statement on Form S-8 with the SEC with respect to the ESPP.  The common stock is offered for purchase through a series of successive offering periods.  Each offering period will be three months in duration and will begin on the first day of each calendar quarter, with the first offering period having commenced on January 1, 2008.  The ESPP provides for eligible employees to purchase the common stock at a purchase price equal to 85% of the lesser of (1) the market value of the common stock on the first day of the offering period or (2) the market value of the common stock on the last day of the offering period. The ESPP was approved by our stockholders at our 2008 annual meeting of stockholders.  As of March 31, 2013, approximately 66,323 shares of our common stock had been issued under the ESPP.

Earnings per Share

Earnings per share for the three months ended March 31, 2013 and 2012 is computed as follows (amounts in thousands):

	Three Months EndedMarch 31,
	2013		2012
Numerator (Income)
Basic Earnings:
Income attributable to SL Green common stockholders	$	18,909	$	25,256
Effect of Dilutive Securities:
Redemption of units to common shares	555		888
Stock options	—		—
Diluted Earnings:
Income attributable to SL Green common stockholders	$	19,464	$	26,144

	Three Months EndedMarch 31,
	2013	2012
Denominator (Weighted Average Shares)
Basic Earnings:
Shares available to common stockholders	91,399	86,744
Effect of Dilutive Securities:
Redemption of units to common shares	2,687	3,049
3.0% exchangeable senior debentures due 2017	—	—
3.0% exchangeable senior debentures due 2027	—	—
4.0% exchangeable senior debentures due 2025	—	—
Stock-based compensation plans	216	380
Diluted Shares	94,302	90,173

We have excluded approximately 988,887 and 785,929 common stock equivalents from the diluted shares outstanding for the three months ended March 31, 2013 and 2012, respectively, as they were anti-dilutive.

33

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

13.  Noncontrolling Interests in Operating Partnership

The noncontrolling interest ownership in the Operating Partnership represents interests held by entities other than the Company.  As of March 31, 2013 and December 31, 2012, the noncontrolling interest unit holders owned 2.75% (2,585,675 units) and 2.94% (2,759,758 units) of the Operating Partnership, respectively.  At March 31, 2013, there were also 16,667 performance -based LTIP units outstanding. At March 31, 2013, 2,602,342 shares of our common stock were reserved for issuance upon redemption of units of limited partnership interest of the Operating Partnership.

We record the carrying value of the noncontrolling interests in the Operating Partnership at fair market value based on the closing stock price of our common stock at the end of the reporting period. The carrying value of such noncontrolling interests will not be adjusted below its cost basis.

In January 2012, as part of an acquisition, the Operating Partnership issued 1,902,000 4.5% Series G preferred units of limited partnership interest, or the Series G preferred units, with a liquidation preference of $25.00 per unit. The Series G preferred unitholders receive annual dividends of $1.125 per unit paid on a quarterly basis and dividends are cumulative, subject to certain provisions. The Series G preferred units are convertible into a number of common units of limited partnership interest in the Operating Partnership equal to (i) the liquidation preference plus accumulated and unpaid distributions on the conversion date divided by (ii) $88.50.  The common units of limited partnership interest in the Operating Partnership may be redeemed in exchange for our common stock on a 1-to-1 basis.  The Series G preferred units also provide the holder with the right to require the Operating Partnership to repurchase the Series G preferred units for cash before January 31, 2022.

In November 2011, as part of an acquisition, the Operating Partnership issued 80,000 6.0% Series H preferred units, or the Series H preferred units, with a mandatory liquidation preference of $25.00 per unit. The Series H preferred unitholders receive annual dividends of $1.50 per unit paid on a quarterly basis and dividends are cumulative, subject to certain provisions. The Series H preferred units can be redeemed at any time at par for cash at the Operating Partnership’s option or the option of the unitholder.

We have included a rollforward analysis of the activity relating to the noncontrolling interests in the Operating Partnership below (in thousands):

	Three Months Ended March 31,2013			Year Ended December 31, 2012
Balance at beginning of period	$	212,907		$	195,030
Distributions	(853		)	(3,296		)
Issuance of common units	777			42,239
Redemption of common units	(17,287		)	(87,513		)
Net income	555			5,597
Accumulated other comprehensive income (loss) allocation	59			(388		)
Fair value adjustment	24,016			61,238
Balance at end of period	$	220,174		$	212,907

14.  Commitments and Contingencies

We and the Operating Partnership are not presently involved in any material litigation nor, to our knowledge, is any material litigation threatened against us or our properties, other than routine litigation arising in the ordinary course of business.  Management believes the costs, if any, incurred by us related to this litigation will not materially affect our financial position, operating results or liquidity.

34

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

The following is a schedule of future minimum lease payments under capital lease and non-cancellable operating leases with initial terms in excess of one year as of March 31, 2013 (in thousands):

	Capital leases			Non-cancellable operating leases
2013 (9 months)	$	1,589		$	26,484
2014	2,268			35,412
2015	2,339			35,568
2016	2,480			35,985
2017	2,630			36,231
Thereafter	353,908			1,188,068
Total minimum lease payments	365,214			$	1,357,748
Less amount representing interest	(321,810		)
Present value of net minimum lease payments	$	43,404

15.  Financial Instruments: Derivatives and Hedging

We recognize all derivatives on the balance sheet at fair value.  Derivatives that are not hedges are adjusted to fair value through earnings.  If a derivative is a hedge, depending on the nature of the hedge, changes in the fair value of the derivative will either be offset against the change in fair value of the hedged asset, liability, or firm commitment through earnings, or recognized in other comprehensive income until the hedged item is recognized in earnings.  The ineffective portion of a derivative’s change in fair value will be immediately recognized in earnings.  Reported net income and equity may increase or decrease prospectively, depending on future levels of interest rates and other variables affecting the fair values of derivative instruments and hedged items, but will have no effect on cash flows.

The following table summarizes the notional and fair value of our derivative financial instruments at March 31, 2013 based on Level 2 information pursuant to ASC 810-10.  The notional value is an indication of the extent of our involvement in these instruments at that time, but does not represent exposure to credit, interest rate or market risks (amounts in thousands).

	Notional Value		Strike Rate		Effective Date	Expiration Date	Fair Value
Interest Rate Cap	$	775,000	3.650	%	04/2012	04/2013	$	—
Interest Rate Cap	$	271,912	6.000	%	11/2012	11/2013	$	—
Interest Rate Swap	$	30,000	2.295	%	07/2010	06/2016	$	(1,761	)
Interest Rate Swap	$	8,500	0.740	%	02/2012	02/2015	$	(70	)

Certain interest rate caps are not designated as a hedging instrument and changes in the value are marked to market through earnings.

On March 31, 2013, the derivative instruments were reported as an obligation at their fair value of approximately $1.8 million.  This is included in other liabilities on the consolidated balance sheet at March 31, 2013.  Included in accumulated other comprehensive loss at March 31, 2013 was approximately $16.4 million from the settlement of hedges, which are being amortized over the remaining term of the related mortgage obligation, and active hedges and our share of joint venture accumulated other comprehensive loss of approximately $14.7 million.  Currently, all of our designated derivative instruments are effective hedging instruments.

In March 2010, we terminated forward swaps which resulted in a net loss of approximately $19.5 million from the settlement of the hedges. This loss will be amortized over the 10-year term of the related financing.  This loss is included in the $16.4 million balance noted above. The balance in accumulated other comprehensive loss relating to derivatives, including our share of joint venture accumulated other comprehensive loss, was $31.1 million and $32.9 million at March 31, 2013 and December 31, 2012, respectively.

Over time, the realized and unrealized gains and losses held in accumulated other comprehensive loss will be reclassified into earnings as an adjustment to interest expense in the same periods in which the hedged interest payments affect earnings.  We estimate that approximately $2.1 million of the current balance held in accumulated other comprehensive loss will be reclassified into interest expense and $4.9 million of the portion related to our share of joint venture accumulated other comprehensive loss will be reclassified into equity in net income (loss) from unconsolidated joint ventures within the next 12 months.

We are hedging exposure to variability in future cash flows for forecasted transactions in addition to anticipated future interest payments on existing debt.

35

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

The following table presents the effect of our derivative financial instruments and our share of our joint venture’s derivative financial instruments on the consolidated statements of income as of March 31, 2013 and 2012, respectively (in thousands):

		Amount of (Loss) or Gain Recognized in Other Comprehensive Loss (Effective Portion) For the Three Months Ended					Amount of (Loss) or Gain Reclassified from Accumulated Other Comprehensive Loss into Interest Expense/ Equity in net income of unconsolidated joint ventures (Effective Portion) For the Three Months Ended						Amount of (Loss) or Gain Recognized in Interest Expense/Equity in Net Income (Loss) of Unconsolidated Joint Ventures (Ineffective Portion) For the Three Months Ended
Designation\Cash Flow	Derivative	March 31, 2013		March 31, 2012			March 31, 2013			March 31, 2012			March 31, 2013			March 31, 2012
Qualifying	Interest Rate Swaps/Caps	$	180	$	(88	)	$	(1,708	)	$	(3,203	)	$	—		$	—
Non-qualifying	Interest Rate Caps	—		—			—			—			$	(15	)	$	(711	)

16.  Environmental Matters

Our management believes that the properties are in compliance in all material respects with applicable Federal, state and local ordinances and regulations regarding environmental issues.  Management is not aware of any environmental liability that it believes would have a materially adverse impact on our financial position, results of operations or cash flows.  Management is unaware of any instances in which it would incur significant environmental cost if any of our properties were sold.

17.  Segment Information

We are a REIT engaged in owning, managing, leasing, acquiring and repositioning commercial properties in the New York Metropolitan area and have two reportable segments, real estate and debt and preferred equity investments.  We evaluate real estate performance and allocate resources based on earnings contribution to income from continuing operations.

Our real estate portfolio is primarily located in the geographical markets of the New York Metropolitan area.  The primary sources of revenue are generated from tenant rents and escalations and reimbursement revenue.  Real estate property operating expenses consist primarily of security, maintenance, utility costs, real estate taxes and ground rent expense (at certain applicable properties).  See Note 5, “Debt and Preferred Equity Investments,” for additional details on our debt and preferred equity investments.

36

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

Selected results of operations for the three months ended March 31, 2013 and 2012, and selected asset information as of March 31, 2013 and December 31, 2012, regarding our operating segments are as follows (in thousands):

	Real Estate Segment			Debt and Preferred Equity Segment		Total Company
Total revenues
Three months ended:
March 31, 2013	$	317,263		$	52,708	$	369,971
March 31, 2012	312,795			26,338		339,133
(Loss) income from continuing operations before equity in net gain on sale of unconsolidated joint venture/real estate
Three months ended:
March 31, 2013	$	(14,559	)	$	43,815	$	29,256
March 31, 2012	516			20,915		21,431
Total assets
As of:
March 31, 2013	$	13,085,589		$	1,458,376	$	14,543,965
December 31, 2012	13,021,095			1,366,659		14,387,754

Income from continuing operations represents total revenues less total expenses for the real estate segment and total investment income less allocated interest expense for the debt and preferred equity segment.  Interest costs for the debt and preferred equity segment are imputed assuming 100% leverage at our 2012 credit facility borrowing cost as well as the interest under the MRA.  We also allocate loan loss reserves, net of recoveries to the debt and preferred equity segment.  We do not allocate marketing, general and administrative expenses and transaction related costs (totaling approximately $22.4 million and $21.3 million for the three months ended March 31, 2013 and 2012, respectively) to the debt and preferred equity segment since we base performance on the individual segments prior to allocating marketing, general and administrative expenses.  All other expenses, except interest, relate entirely to the real estate assets.

There were no transactions between the above two segments.

The table below reconciles income from continuing operations to net income attributable to SL Green common stockholders for the three months ended March 31, 2013 and 2012 (in thousands):

	Three Months Ended March 31,
	2013			2012
Income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate	$	29,256		$	21,431
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	—			7,260
Income from continuing operations	29,256			28,691
Net loss from discontinued operations	(32		)	(161		)
Gain on sale of discontinued operations	1,113			6,627
Net income	30,337			35,157
Net income attributable to noncontrolling interests in the Operating Partnership	(555		)	(888		)
Net income attributable to noncontrolling interests in other partnerships	(2,901		)	(1,071		)
Preferred unit distributions	(565		)	(397		)
Net income attributable to SL Green	26,316			32,801
Perpetual preferred stock dividends	(7,407		)	(7,545		)
Net income attributable to SL Green common stockholders	$	18,909		$	25,256

37

SL Green Realty Corp.

Notes to Consolidated Financial Statements

(Unaudited)

March 31, 2013

18.  Supplemental Disclosure of Non-Cash Investing and Financing Activities

The following table provides information on non-cash investing and financing activities for the three months ended March 31, 2013 and 2012, respectively (in thousands):

	Three Months Ended March 31,
	2013		2012
Issuance of common stock as deferred compensation	$	—	$	473
Issuance of units in the Operating Partnership	777		1,131
Redemption of units in the Operating Partnership	17,287		275
Derivative instruments at fair value	128		288
Mortgage assigned upon asset sale	—		59,099
Tenant improvements and capital expenditures payable	9,136		11,941
Fair value adjustment to noncontrolling interest in the Operating Partnership	24,016		41,935
Deferred leasing payable	741		2,457
Capital leased asset	6,839		—

38

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

Overview

SL Green Realty Corp., which is referred to as SL Green or the Company, a Maryland corporation, and SL Green Operating Partnership, L.P., which is referred to as SLGOP or the Operating Partnership, a Delaware limited partnership, were formed in June 1997 for the purpose of combining the commercial real estate business of S.L. Green Properties, Inc. and its affiliated partnerships and entities.  We are a self-managed real estate investment trust, or REIT, with in-house capabilities in property management, acquisitions, financing, development, construction and leasing.  Unless the context requires otherwise, all references to “we,” “our” and “us” means the Company and all entities owned or controlled by the Company, including the Operating Partnership.

Reckson Associates Realty Corp., or Reckson, and Reckson Operating Partnership, L.P., or ROP, are wholly-owned subsidiaries of the Operating Partnership.

The following discussion related to our consolidated financial statements should be read in conjunction with the financial statements appearing in this Quarterly Report on Form 10-Q and in Item 8 of our Annual Report on Form 10-K for the year ended December 31, 2012.

As of March 31, 2013, we owned the following interests in commercial office properties in the New York Metropolitan area, primarily in midtown Manhattan, a borough of New York City.  Our investments in the New York Metropolitan area also include investments in Brooklyn, Long Island, Westchester County, Connecticut and Northern New Jersey, which are collectively known as the Suburban assets:

Location	Ownership	Number of Properties	Square Feet	Weighted Average Occupancy(1)
Manhattan	Consolidated properties	27	18,347,945	93.8	%
	Unconsolidated properties	9	5,934,434	95.3	%
Suburban	Consolidated properties	26	3,899,800	78.4	%
	Unconsolidated properties	5	1,539,700	84.7	%
		67	29,721,879	91.6	%

(1)The weighted average occupancy represents the total leased square feet divided by total available rentable square feet.

As of March 31, 2013, we also owned investments in 14 stand-alone retail properties encompassing approximately 465,207 square feet, 15 development properties encompassing approximately 2,580,691 square feet, three residential properties encompassing 468 units (approximately 497,093 square feet), two land interests encompassing 961,400 square feet and 31 west coast office properties encompassing approximately 4,473,603 square feet. In addition, we manage two office properties owned by third parties and affiliated companies encompassing approximately 626,415 rentable square feet. As of March 31, 2013, we also held debt and preferred equity investments with a book value of $1.4 billion.

Critical Accounting Policies

Refer to our 2012 Annual Report on Form 10-K for a discussion of our critical accounting policies, which include investment in commercial real estate properties, investment in unconsolidated joint ventures, revenue recognition, allowance for doubtful accounts, reserve for possible credit losses and derivative instruments.  There have been no changes to these policies during the three months ended March 31, 2013.

Results of Operations

Comparison of the three months ended March 31, 2013 to the three months ended March 31, 2012

The following comparison for the three months ended March 31, 2013, or 2013, to the three months ended March 31, 2012, or 2012, makes reference to the following: (i) the effect of the “Same-Store Properties,” which represents all operating properties owned by us in the same manner at January 1, 2012 and at March 31, 2013 and totaled 51 of our 53 consolidated properties, representing approximately 85% of our share of annualized rental revenue, (ii) the effect of the “Acquisitions,” which represents all properties or interests in properties acquired in 2013 and 2012 and all non-Same-Store Properties, including properties deconsolidated during the period, and (iii) “Other,” which represents corporate level items not allocable to specific properties, as well as the Service Corporation and eEmerge Inc.  Assets classified as held for sale, are excluded from the following discussion.

39

	Same-Store									Acquisition				Other						Consolidated
Rental and escalation revenues (in millions)	2013		2012		$ Change			% Change		2013		2012		2013			2012			2013		2012		$ Change			% Change
Rental revenue	$	259.1	$	251.6	$	7.5		3.0		$	13.0	$	10.6	$	(1.6	)	$	(1.4	)	$	270.5	$	260.8	$	9.7		3.7
Escalation and reimbursement	40.1		40.4		(0.3		)	(0.7	)	0.9		1.2		—			0.1			41.0		41.7		(0.7		)	(1.7	)
	$	299.2	$	292.0	$	7.2		2.5		$	13.9	$	11.8	$	(1.6	)	$	(1.3	)	$	311.5	$	302.5	$	9.0		3.0

Occupancy in the Same-Store consolidated properties was 91.1% at March 31, 2013 compared to 91.3% at March 31, 2012. Occupancy for our Same-Store Manhattan consolidated portfolio was 93.9% at March 31, 2013 compared to 93.5% at March 31, 2012. Occupancy for our Suburban consolidated portfolio was 78.4% at March 31, 2013 compared to 80.8% at March 31, 2012.

Rental revenues depends on our ability to maintain the occupancy rates of currently leased space and to lease currently available space and space available from unscheduled lease termination.

The following table presents a summary of the leasing activity for the three months ended March 31, 2013, excluding early renewals, in our Manhattan and Suburban portfolio:

	Useable SF	Rentable SF	New Cash Rent ($ per rentable SF)(1)	Prev. Escalated Rent ($ per rentable SF)(2)	TI/LC per rentable SF ($)	Free Rent (in months)	Average Lease Term (in years)
Manhattan
Vacancy at beginning of period	1,438,147
Space which became available during the quarter(3)
· Office	181,407
· Retail	13,162
·Storage	1,060
	195,629
Total space available	1,633,776
Space leased during the quarter:
· Office(4)	210,057	229,206	50.25	57.58	55.35	4.2	7.4
· Retail	15,000	17,921	86.49	78.18	64.03	6.0	20.5
· Storage	239	239	25.00	—	—	—	2.3
	225,296	247,366	52.85	60.72	55.93	4.3	8.4
Total available space at end of period	1,408,480
Early renewals
· Office	285,868	306,895	58.39	53.79	9.79	0.7	3.9
· Retail	11,810	16,613	151.69	84.46	—	—	3.8
· Storage	4,190	4,918	26.92	24.83	4.83	—	7.2
	301,868	328,426	62.64	54.91	9.22	0.7	4.0
Total commenced leases, including replaced previous vacancy
· Office		536,101	54.91	54.72	29.27	2.2	5.4
· Retail		34,534	117.85	81.20	33.23	3.1	12.5
· Storage		5,157	26.83	24.83	4.61	—	6.9
		575,792	58.43	56.44	29.29	2.3	5.9

40

	Useable SF	Rentable SF	New Cash Rent ($ per rentable SF)(1)	Prev. Escalated Rent ($ per rentable SF)(2)	TI/LC per rentable SF ($)	Free Rent (in months)	Average Lease Term (in years)
Suburban
Vacancy at beginning of period	1,106,957
Space which became available during the quarter(3)
· Office	167,663
· Retail	679
· Storage	3,151
	171,493
Total space available	1,278,450
Space leased during the quarter:
· Office(5)	109,341	112,588	28.39	34.12	23.16	1.9	5.6
· Retail	679	818	150.00	248.40	—	5.0	13.0
· Storage	2,751	3,326	11.82	9.60	—	—	6.7
	112,771	116,732	28.77	36.87	22.34	1.9	5.6
Total available space at end of period	1,165,679
Early renewals
· Office	111,728	112,484	32.28	32.27	25.05	4.3	8.6
· Retail	—	—	—	—	—	—	—
· Storage	740	940	12.00	11.00	—	—	9.8
	112,468	113,424	32.11	32.10	24.85	4.3	8.6
Total commenced leases, including replaced previous vacancy
· Office		225,072	30.34	32.74	24.11	3.1	7.1
· Retail		818	150.00	248.40	—	5.0	13.0
· Storage		4,266	11.86	9.98	—	—	7.4
		230,156	30.42	33.36	23.57	3.1	7.1

(1)Annual initial base rent.

(2)Escalated rent is calculated as total annual income less electric charges.

(3)Includes expiring space, relocating tenants and move-outs where tenants vacated. Excludes lease expirations where tenants held over.

(4)Average starting office rent excluding new tenants replacing vacancies was $52.96 per rentable square feet for 99,460 rentable square feet. Average starting office rent for office space (leased and early renewals, excluding new tenants replacing vacancies) was $57.06 per rentable square feet for 406,355 rentable square feet.

(5)Average starting office rent excluding new tenants replacing vacancies was $33.21 per rentable square feet for 37,613 rentable square feet. Average starting office rent for office space (leased and early renewals, excluding new tenants replacing vacancies) was $32.51 per rentable square feet for 150,097 rentable square feet.

At March 31, 2013, approximately 4.6% and 8.6% of the space leased at our consolidated Manhattan and Suburban properties, respectively, is expected to expire during the remainder of 2013. Based on our estimates, the current market asking rents on these expected 2013 lease expirations at our consolidated Manhattan and Suburban properties would be approximately 12.6% and 2.1% higher, respectively, than the existing in-place fully escalated rents while the current market asking rents on all our consolidated Manhattan and Suburban properties were approximately 15.3% and 3.9% higher, respectively, than the existing in-place fully escalated rents on leases that are scheduled to expire in all future years.

The increase in escalation and reimbursement revenue was due to slightly lower recoveries at both the Same-Store Properties ($0.3 million) and Acquisitions ($0.3 million). The decrease in recoveries at the Same-Store Properties was primarily due to lower electric reimbursements ($1.2 million) and operating expense escalations ($0.3 million) which were offset by higher real estate tax recoveries ($1.2 million).

41

	Same-Store							Acquisition				Other						Consolidated
Property Operating Expenses (in millions)	2013		2012		$ Change		% Change	2013		2012		2013			2012			2013		2012		$ Change		% Change
Operating expenses	$	67.2	$	66.7	$	0.5	0.7	$	4.3	$	4.3	$	2.1		$	2.3		$	73.6	$	73.3	$	0.3	0.4
Real estate taxes	50.7		49.2		1.5		3.0	2.9		2.3		0.1			—			53.7		51.5		2.2		4.3
Ground rent	11.2		9.0		2.2		24.4	—		—		(0.2		)	(0.2		)	11.0		8.8		2.2		25.0
	$	129.1	$	124.9	$	4.2	3.4	$	7.2	$	6.6	$	2.0		$	2.1		$	138.3	$	133.6	$	4.7	3.5

The increase in property operating expenses at the Same-Store Properties was due to higher real estate taxes ($1.5 million), ground rent ($2.2 million) and payroll costs ($0.7 million). The increase in real estate taxes was primarily due to higher assessed value and higher tax rates.

Non-property Revenues (in millions)	2013		2012			$ Change			%Change
Equity in net income (loss) of unconsolidated joint ventures	$	5.1	$	(1.6	)	$	6.7		418.8	%
Investment and preferred equity income	52.7		26.3			26.4			100.4
Other income	5.8		10.4			(4.6		)	(44.2	)
Total	$	63.6	$	35.1		$	28.5		81.2	%

The increase in equity in net income of unconsolidated joint ventures was due to higher net income contributions primarily from our investments in 388-390 Greenwich Street ($3.7 million), which was due mainly to the reset of interest rate on its fixed rate loan from 5.19% to 3.2% beginning December 2012, 3 Columbus Circle ($2.0 million), which was under development beginning in 2012, 521 Fifth Avenue ($0.4 million), which was deconsolidated following the sale of 49.5% of our interest in November 2012, 724 Madison Avenue ($0.4 million), which was acquired in January 2012 and 100 Park Avenue ($0.7 million). This increase was partially offset by lower net income contributions from the west coast portfolio ($5.1 million), 1552-1560 Broadway ($1.3 million), which was under development since January 2012, and 717 Fifth Avenue ($0.9 million), which was due to the refinancing in June 2012.  Occupancy at our joint venture properties was 93.1% at March 31, 2013 and 93.8% at March 31, 2012.  At March 31, 2013, approximately 0.7% and 16.3% of the space leased at our Manhattan and Suburban joint venture properties are expected to expire during the remainder of 2013. We estimated that current market asking rents on these expected 2013 lease expirations at our Manhattan and Suburban joint venture properties were approximately 11.0% higher and 3.8% lower, respectively, than then existing in-place fully escalated rents.

Investment and preferred equity income increased during the three months ended March 31, 2013 primarily due to a higher invested balance in 2013 and sale of 50% of our interest in one of our debt investments, in which we recognized an additional income of $12.9 million. During the three months ended March 31, 2013, we originated or purchased $198.9 million of new debt investments at an average current yield of 12.8% compared to $70.5 million of new debt investments at an average current yield of 8.7%.  The weighted average investment balance outstanding and weighted average yield were $1.4 billion and 10.6%, respectively, for the three months ended March 31, 2013 compared to $1.0 billion and 9.0%, respectively, for the three months ended March 31, 2012. As of March 31, 2013, the debt and preferred equity investments had a weighted average term to maturity of approximately 1.9 years.

The decrease in consolidated other income was primarily due to a lower lease buy-out income ($0.8 million), fee and other income ($2.2 million) and higher taxes ($1.6 million).

Same-Store other income decreased by $0.8 million from $3.6 million for the three months ended March 31, 2012 to $2.8 million for the three months ended March 31, 2013 due to lower lease buy-out income.

Other Expenses (in millions)	2013		2012		$ Change			%Change
Interest expense, net of interest income	$	85.8	$	83.7	$	2.1		2.5	%
Depreciation and amortization expense	80.7		77.1		3.6			4.7
Loan loss and other investment reserves, net of recoveries	—		0.6		(0.6		)	(100.0	)
Transaction related costs	1.4		1.1		0.3			27.3
Marketing, general and administrative expense	21.1		20.2		0.9			4.5
Total	$	189.0	$	182.7	$	6.3		3.4	%

The increase in interest expense was primarily attributable to higher average consolidated debt balances outstanding during the period due to the refinancing at 1515 Broadway ($3.9 million) and 100 Church Street ($2.8 million). The increase was partially offset by

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lower interest expense due to the repayment of debt balances at 609 Fifth Avenue ($1.8 million), 110 East 42nd Street ($1.0 million) and 673 First Avenue ($0.4 million) and deconsolidation of 521 Fifth Avenue ($1.1 million) following the sale of 49.5% of our interest. The weighted average debt balance outstanding was $6.7 billion during the three months ended March 31, 2013 compared to $6.4 billion during the three months ended March 31, 2012. The weighted average interest rate decreased from 4.88% for the three months ended March 31, 2012 to 4.86% for the three months ended March 31, 2013.

No loan loss and other investment reserves were recorded during the three months ended March 31, 2013. During the three months ended March 31, 2012, we recorded $3.0 million in reserves and $2.4 million in recoveries.

Marketing, general and administrative expenses for the three months ended March 31, 2013 were $21.1 million or 4.88% of total revenues including our share of joint venture revenue compared to $20.2 million, or 5.16% for the three months ended March 31, 2012.

Reconciliation of Same-Store Operating Income to Net Operating Income

We present Same-Store net operating income, or Same-Store NOI, because we believe that these measures provide investors with useful information regarding the operating performance of properties that are comparable for the periods presented. For properties owned since January 1, 2012 and still owned in the same manner at the end of the current quarter, we determine Same-Store net operating income by subtracting Same-Store property operating expenses and ground rent from Same-Store recurring rental and tenant reimbursement revenues. Our method of calculation may be different from methods used by other REITs, and, accordingly, may not be comparable to such other REITs. None of these measures is an alternative to net income (determined in accordance with GAAP) and Same-Store performance should not be considered an alternative to GAAP net income performance.

Same-Store NOI is determined as follows (amounts in millions):

	Three Months Ended March 31,
	2013		2012
Rental revenues	$	299.2	$	292.0
Other income	2.9		3.6
Total revenues	302.1		295.6
Property operating expenses	129.1		124.9
Operating income	173.0		170.7
Less: Non-building revenue	0.9		0.9
Same-Store NOI	$	172.1	$	169.8

Same-Store NOI increased by $2.3 million, or 1.4%, from $169.8 million for the three months ended March 31, 2012 to $172.1 million for the three months ended March 31, 2013.

Liquidity and Capital Resources

We currently expect that our principal sources of funds to meet our short-term and long-term liquidity requirements for working capital and funds for acquisition and redevelopment of properties, tenant improvements, leasing costs, repurchases or repayments of outstanding indebtedness (which may include exchangeable debt) and for debt and preferred equity investments will include:

(1)Cash flow from operations;

(2)Cash on hand;

(3)Borrowings under our 2012 credit facility;

(4)Other forms of secured or unsecured financing;

(5)Net proceeds from divestitures of properties and redemptions, participations and dispositions of debt and preferred equity investments; and

(6)Proceeds from common or preferred equity or debt offerings by us, the Operating Partnership (including issuances of units of limited partnership interest in the Operating Partnership and trust preferred securities) or ROP.

Cash flow from operations is primarily dependent upon the occupancy level of our portfolio, the net effective rental rates achieved on our leases, the collectability of rent and operating escalations and recoveries from our tenants and the level of operating and other costs. Additionally, we believe that our debt and preferred equity investment program will continue to serve as a source of capital.

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The combined aggregate principal maturities of our property mortgages and other loans payable, corporate obligations and our share of joint venture debt, including as-of-right extension options, as of March 31, 2013 are as follows (in thousands):

	2013		2014		2015		2016		2017		Thereafter		Total
Property mortgages and other loans	$	388,186	$	189,941	$	275,862	$	573,506	$	1,158,961	$	2,229,029	$	4,815,485
Corporate obligations	—		75,898		7		255,175		301,872		1,229,636		1,862,588
Joint venture debt-our share	185,130		364,191		36,886		527,682		933,612		151,642		2,199,143
Total	$	573,316	$	630,030	$	312,755	$	1,356,363	$	2,394,445	$	3,610,307	$	8,877,216

As of March 31, 2013, we had approximately $243.1 million of consolidated cash on hand, inclusive of approximately $23.0 million of marketable securities.  We expect to generate positive cash flow from operations for the foreseeable future. We may seek to access private and public debt and equity capital when the opportunity presents itself, although there is no guarantee that this capital will be made available to us at efficient levels or at all.  Management believes that these sources of liquidity, if we are able to access them, along with potential refinancing opportunities for secured debt, will allow us to satisfy our debt obligations, as described above, upon maturity, if not before.

We also have investments in several real estate joint ventures with various partners who we consider to be financially stable and who have the ability to fund a capital call when needed. Most of our joint ventures are financed with non-recourse debt. We believe that property level cash flows along with unfunded committed indebtedness and proceeds from the refinancing of outstanding secured indebtedness will be sufficient to fund the capital needs of our joint venture properties.

Cash Flows

The following summary discussion of our cash flows is based on our consolidated statements of cash flows in “Item 1. Financial Statements” and is not meant to be an all-inclusive discussion of the changes in our cash flows for the periods presented below.

Cash and cash equivalents were $220.1 million and $133.7 million at March 31, 2013 and 2012, respectively, representing an increase of $86.4 million.  The increase was a result of the following changes in cash flows (in thousands):

	Three months ended March 31,
	2013			2012			Increase (Decrease)
Net cash provided by operating activities	$	102,525		$	56,831		$	45,694
Net cash used in investing activities	(174,490		)	(294,192		)	119,702
Net cash provided by financing activities	102,085			232,834			(130,749		)

Our principal source of operating cash flow is related to the leasing and operating of the properties in our portfolio. Our properties provide a relatively consistent stream of cash flow that provides us with resources to pay operating expenses, service debt and fund quarterly dividend and distribution payment requirements. At March 31, 2013, our portfolio was 91.6% occupied.  Our debt and preferred equity and joint venture investments also provide a steady stream of operating cash flow to us.

Cash is used in investing activities to fund acquisitions, redevelopment projects and recurring and nonrecurring capital expenditures. We selectively invest in new projects that enable us to take advantage of our development, leasing, financing and property management skills and invest in existing buildings that meet our investment criteria.  During the three months ended March 31, 2013, when compared to the three months ended March 31, 2012, we used cash primarily for the following investing activities (in thousands):

Acquisitions of real estate	$	97,058
Capital expenditures and capitalized interest	20,944
Escrow cash-capital improvements/acquisition deposits	1,724
Joint venture investments	55,637
Distributions from joint ventures	(11,319		)
Proceeds from sales of real estate/partial interest in property	(17,236		)
Debt and preferred equity and other investments	(27,106		)
Decrease in net cash provided by investing activities	$	119,702

Funds spent on capital expenditures, which comprise building and tenant improvements, decreased from $32.6 million for the three months ended March 31, 2012 to $11.6 million for the three months ended March 31, 2013. The capital expenditures relate primarily to costs incurred in connection with the redevelopment of properties and the build-out of space for tenants resulting from new leasing activity.

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We generally fund our investment activity through property-level financing, our 2012 credit facility, senior unsecured notes, convertible or exchangeable securities, construction loans, sales of real estate and from time to time, we issue common or preferred stock, or the Operating Partnership may issue common or preferred units of limited partnership interest. During the three months ended March 31, 2013, when compared to the three months ended March 31, 2012, we used cash for the following financing activities (in thousands):

Proceeds from our debt obligations	$	726,833
Repayments under our debt obligations	(621,867		)
Noncontrolling interests, contributions in excess of distributions	(13,074		)
Other financing activities	(89,493		)
Proceeds from issuance of common stock	(123,010		)
Dividends and distributions paid	(10,138		)
Increase in net cash used in financing activities	$	(130,749	)

Capitalization

As of March 31, 2013, we had 91,555,082 shares of common stock, 2,585,675 units of limited partnership interest in the Operating Partnership held by persons other than the Company, 16,667 performance -based LTIP Units, 7,700,000 shares of our 7.625% Series C cumulative redeemable preferred stock, or Series C preferred stock, and 9,200,000 shares of our 6.50% Series I cumulative redeemable preferred stock, or Series I preferred stock, outstanding. In addition, we also had preferred units of limited partnership interests in the Operating Partnership having aggregate liquidation preferences of $49.6 million held by persons other than the Company.

In September 2012, we redeemed 4,000,000 shares, or $100.0 million, of 11,700,000 shares of our Series C preferred stock at a redemption price of $25.00 per share plus $0.3707 in accumulated and unpaid dividends on such preferred stock through September 24, 2012 and recognized $6.3 million of costs to partially redeem the Series C preferred stock. As a result of this redemption, we have 7,700,000 shares of Series C preferred stock outstanding.

In August 2012, we issued 9,200,000 shares of our Series I preferred stock with a mandatory liquidation preference of $25.00 per share. The Series I preferred shareholders receive annual distributions of $1.625 per share paid on a quarterly basis and distributions are cumulative, subject to certain provisions.  We are entitled to redeem our Series I preferred stock at par for cash at our option on or after August 10, 2017.  Net proceeds from the Series I preferred stock ($221.9 million) was recorded net of underwriters’ discount and issuance costs.

In July 2012, we redeemed all 4,000,000 shares, or $100.0 million, of our 7.875% Series D cumulative redeemable preferred stock, or Series D preferred stock, at a redemption price of $25.00 per share plus $0.4922 in accumulated and unpaid dividends on such preferred stock through July 14, 2012 and recognized $3.7 million of costs to fully redeem the Series D preferred stock.

In July 2011, we, along with the Operating Partnership, entered into an “at-the-market” equity offering program, or ATM Program, to sell an aggregate of $250.0 million of our common stock. As of March 31, 2013, we had $45.4 million available to issue under the ATM Program.

Dividend Reinvestment and Stock Purchase Plan

In March 2012, we filed a registration statement with the SEC for our dividend reinvestment and stock purchase plan, or DRIP, which automatically became effective upon filing. We registered 3,500,000 shares of our common stock under the DRIP. The DRIP commenced on September 24, 2001.

During the three months ended March 31, 2013 and 2012, we issued approximately 170 shares and 1.3 million shares of our common stock and received approximately $13,000 and $99.5 million of net proceeds, respectively, from dividend reinvestments and/or stock purchases under the DRIP. DRIP shares may be issued at a discount to the market price.

Second Amended and Restated 2005 Stock Option and Incentive Plan

Subject to adjustments upon certain corporate transactions or events, up to a maximum of 10,730,000 fungible units may be granted as options, restricted stock, phantom shares, dividend equivalent rights and other equity-based awards under the Second Amended and Restated 2005 Stock Option and Incentive Plan, or the 2005 Plan.  As of March 31, 2013, no fungible units were available for issuance under the 2005 Plan after reserving for shares underlying outstanding restricted stock units, phantom stock units granted pursuant to our Non-Employee Directors’ Deferral Program and LTIP Units, including, among others, outstanding LTIP Units issued under our 2011 Long-Term Outperformance Plan, which remain subject to performance-based vesting.

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2010 Notional Unit Long-Term Compensation Plan

In December 2009, the compensation committee of our board of directors approved the general terms of the SL Green Realty Corp. 2010 Notional Unit Long-Term Compensation Program, or the 2010 Long Term Compensation Plan.  The 2010 Long-Term Compensation Plan is a long-term incentive compensation plan pursuant to which award recipients could earn, in the aggregate, from approximately $15 million up to approximately $75 million of LTIP Units in the Operating Partnership based on our stock price appreciation over three years beginning on December 1, 2009; provided that, if maximum performance had been achieved, approximately $25 million of awards could be earned at any time after the beginning of the second year and an additional approximately $25 million of awards could be earned at any time after the beginning of the third year. In order to achieve maximum performance under the 2010 Long-Term Compensation Plan, our aggregate stock price appreciation during the performance period had to equal or exceed 50%. The compensation committee determined that maximum performance had been achieved at or shortly after the beginning of each of the second and third years of the performance period and for the full performance period and, accordingly, 366,815 LTIP Units, 385,583 LTIP Units and 327,416 LTIP Units were earned under the 2010 Long-Term Compensation Plan in December 2010, 2011 and 2012, respectively. Substantially in accordance with the original terms of the program, 50% of these LTIP Units vested on December 17, 2012 (accelerated from the original January 1, 2013 vesting date) and the remainder is scheduled to vest ratably on January 1, 2014 and 2015 based on continued employment.  In accordance with the terms of the 2010 Long-Term Compensation Plan, distributions were not paid on any LTIP Units until they were earned, at which time we paid all distributions that would have been paid on the earned LTIP Units since the beginning of the performance period.

The cost of the 2010 Long Term Compensation Plan (approximately $31.7 million, subject to forfeitures) will be amortized into earnings through the final vesting period. We recorded compensation expense of approximately $1.9 million during each of the three months ended March 31, 2013 and 2012 related to the 2010 Long-Term Compensation Plan.

2011 Outperformance Plan

In August 2011, the compensation committee of our board of directors approved the general terms of the SL Green Realty Corp. 2011 Outperformance Plan, or the 2011 Outperformance Plan. Participants in the 2011 Outperformance Plan may earn, in the aggregate, up to $85 million of LTIP Units in the Operating Partnership based on our total return to stockholders for the three-year period beginning September 1, 2011. Under the 2011 Outperformance Plan, participants will be entitled to share in a “performance pool” comprised of LTIP Units with a value equal to 10% of the amount, if any, by which our total return to stockholders during the three-year period exceeds a cumulative total return to stockholders of 25%, subject to the maximum of $85 million of LTIP Units; provided that if maximum performance has been achieved, approximately one-third of each award may be earned at any time after the beginning of the second year and an additional approximately one-third of each award may be earned at any time after the beginning of the third year. LTIP Units earned under the 2011 Outperformance Plan will be subject to continued vesting requirements, with 50% of any awards earned vesting on August 31, 2014 and the remaining 50% vesting on August 31, 2015, subject to continued employment with us through such dates. Participants will not be entitled to distributions with respect to LTIP Units granted under the 2011 Outperformance Plan unless and until they are earned. If LTIP Units are earned, each participant will also be entitled to the distributions that would have been paid had the number of earned LTIP Units been issued at the beginning of the performance period, with such distributions being paid in the form of additional LTIP Units. Thereafter, distributions will be paid currently with respect to all earned LTIP Units, whether vested or unvested.

The cost of the 2011 Outperformance Plan (approximately $26.1 million, subject to forfeitures) will be amortized into earnings through the final vesting period. We recorded compensation expense of approximately $2.8 million and $1.2 million during the three months ended March 31, 2013 and 2012, respectively, related to the 2011 Outperformance Plan.

Deferred Stock Compensation Plan for Directors

Under our Independent Director’s Deferral Program, which commenced July 2004, our non-employee directors may elect to defer up to 100% of their annual retainer fee, chairman fees and meeting fees.  Unless otherwise elected by a participant, fees deferred under the program shall be credited in the form of phantom stock units.  The phantom stock units are convertible into an equal number of shares of common stock upon such directors’ termination of service from the board of directors or a change in control by us, as defined by the program.  Phantom stock units are credited to each non-employee director quarterly using the closing price of our common stock on the applicable dividend record date for the respective quarter.  Each participating non-employee director’s account is also credited for an equivalent amount of phantom stock units based on the dividend rate for each quarter.

During the three months ended March 31, 2013, no phantom stock units were earned.  As of March 31, 2013, there were approximately 72,706 phantom stock units outstanding.

Employee Stock Purchase Plan

On September 18, 2007, our board of directors adopted the 2008 Employee Stock Purchase Plan, or ESPP, to encourage our employees to increase their efforts to make our business more successful by providing equity-based incentives to eligible employees.

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The ESPP is intended to qualify as an “employee stock purchase plan” under Section 423 of the Code, and has been adopted by the board to enable our eligible employees to purchase our shares of common stock through payroll deductions.  The ESPP became effective on January 1, 2008 with a maximum of 500,000 shares of the common stock available for issuance, subject to adjustment upon a merger, reorganization, stock split or other similar corporate change.  We filed a registration statement on Form S-8 with the SEC with respect to the ESPP.  The common stock is offered for purchase through a series of successive offering periods.  Each offering period will be three months in duration and will begin on the first day of each calendar quarter, with the first offering period having commenced on January 1, 2008.  The ESPP provides for eligible employees to purchase the common stock at a purchase price equal to 85% of the lesser of (1) the market value of the common stock on the first day of the offering period or (2) the market value of the common stock on the last day of the offering period. The ESPP was approved by our stockholders at our 2008 annual meeting of stockholders.  As of March 31, 2013 approximately 66,323 shares of our common stock had been issued under the ESPP.

Market Capitalization

At March 31, 2013, borrowings under our mortgages and other loans payable, our 2012 credit facility, senior unsecured notes and trust preferred securities and our share of joint venture debt represented 50.9% of our combined market capitalization of approximately $17.4 billion (based on a common stock price of $86.11 per share, the closing price of our common stock on the New York Stock Exchange on March 28, 2013).  Market capitalization includes our consolidated debt, common and preferred stock and the conversion of all units of limited partnership interest in the Operating Partnership, and our share of joint venture debt.

Indebtedness

The table below summarizes our consolidated mortgages and other loans payable, our 2012 credit facility, senior unsecured notes and trust preferred securities outstanding at March 31, 2013 and December 31, 2012, respectively (amounts in thousands):

Debt Summary:	March 31, 2013			December 31, 2012
Balance
Fixed rate	$	5,773,663		$	4,884,354
Variable rate — hedged	38,331			38,371
Total fixed rate	5,811,994			4,922,725
Variable rate	311,124			1,150,762
Variable rate—supporting variable rate assets	554,955			446,933
Total variable rate	866,079			1,597,695
Total	$	6,678,073		$	6,520,420
Percent of Total Debt:
Total fixed rate	87.0		%	75.5		%
Variable rate	13.0		%	24.5		%
Total	100.0		%	100.0		%
Effective Interest Rate for the period:
Fixed rate	5.56		%	5.78		%
Variable rate	2.70		%	2.89		%
Effective interest rate	4.86		%	5.08		%

The variable rate debt shown above generally bears interest at an interest rate based on 30-day LIBOR (0.20% and 0.24% at March 31, 2013 and 2012, respectively).  Our consolidated debt at March 31, 2013 had a weighted average term to maturity of approximately 6.5 years.

Certain of our debt and preferred equity investments, with a face amount of approximately $555.0 million at March 31, 2013, are variable rate investments which mitigate our exposure to interest rate changes on our unhedged variable rate debt at March 31, 2013.

Mortgage Financing

As of March 31, 2013, our total mortgage debt (excluding our share of joint venture debt of approximately $2.2 billion) consisted of approximately $4.3 billion of fixed rate debt, including hedged variable rate debt, with an effective weighted average interest rate of approximately 5.3% and approximately $0.5 billion of variable rate debt with an effective weighted average interest rate of approximately 2.7%.

Corporate Indebtedness

2012 Credit Facility

In November 2012, we entered into a $1.6 billion credit facility, or the 2012 credit facility, which refinanced, extended and upsized the previous 2011 revolving credit facility. The 2012 credit facility consists of a $1.2 billion revolving credit facility, or the revolving

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credit facility, and a $400.0 million term loan, or the term loan facility.  The revolving credit facility matures in March 2017 and includes two six-month extension options, subject to certain conditions and the payment of an extension fee of 10 basis points for each such extension. We also have an option, subject to customary conditions, without the consent of existing lenders, to increase the capacity under the revolving credit facility to $1.5 billion at any time prior to the maturity date for the revolving credit facility, by obtaining additional commitments from our current lenders and other financial institutions. The term loan facility matures on March 30, 2018.

The 2012 credit facility bears interest at a spread over LIBOR ranging from (i) 100 basis points to 175 basis points for loans under the revolving credit facility and (ii) 115 basis points to 200 basis points for loans under the term loan facility, in each case based on the credit rating assigned to the senior unsecured long term indebtedness of ROP. At March 31, 2013, the applicable spread was 145 basis points for revolving credit facility and 165 basis points for the term loan facility. We are required to pay quarterly in arrears a 15 to 35 basis point fee on the unused balance of the commitments under the revolving credit facility. As of March 31, 2013, the facility fee was 30 basis points. At March 31, 2013, we had approximately $91.9 million of outstanding letters of credit, $30.0 million borrowings under the revolving credit facility and $400.0 million outstanding under the term loan facility, with undrawn capacity of $1.2 billion under the 2012 credit facility.

We, ROP and the Operating Partnership are all borrowers jointly and severally obligated under the 2012 credit facility. No other subsidiary of ours is an obligor under the 2012 credit facility.

The 2012 credit facility includes certain restrictions and covenants (see Restrictive Covenants below).

2011 Revolving Credit Facility

The 2012 credit facility replaced our $1.5 billion revolving credit facility, or the 2011 revolving credit facility, which was terminated concurrently with the entering into the 2012 credit facility. The 2011 revolving credit facility bore interest at a spread over LIBOR ranging from 100 basis points to 185 basis points, based on the credit rating assigned to the senior unsecured long term indebtedness of ROP, and required us to pay quarterly in arrears a 17.5 to 45 basis point facility fee on the total commitments under the 2011 revolving credit facility. The 2011 revolving credit facility included certain restrictions and covenants and, as of the time of the termination of the 2011 revolving credit facility and as of November 2012, we were in compliance with all such restrictions and covenants.

Master Repurchase Agreement

In September 2012, we entered into a Master Repurchase Agreement, or MRA, with a financial institution, with a maximum facility capacity of $175.0 million, under which we agreed to sell certain debt investments in exchange for cash with a simultaneous agreement to repurchase the same debt investments at a certain date or on demand. The MRA’s interest rate is based on one-month LIBOR plus 300 basis points. The MRA matures in September 2013, and has a one-year extension option. At March 31, 2013, we had approximately $175.0 million outstanding under this facility, which is included in mortgages and other loans payable.

Senior Unsecured Notes

The following table sets forth our senior unsecured notes and other related disclosures as of March 31, 2013 and December 31, 2012, respectively by scheduled maturity date (amounts in thousands):

Issuance	March 31, 2013 Unpaid Principal Balance		March 31, 2013 Accreted Balance		December 31, 2012 Accreted Balance		Coupon Rate(1)		Effective Rate		Term (in Years)	Maturity
August 13, 2004(2)(3)	$	75,898	$	75,898	$	75,898	5.88	%	5.88	%	10	August 15, 2014
March 31, 2006(2)(3)	255,308		255,175		255,165		6.00	%	6.02	%	10	March 31, 2016
October 12, 2010(4)	345,000		289,919		287,373		3.00	%	7.13	%	7	October 15, 2017
August 5, 2011(5)	250,000		249,636		249,620		5.00	%	5.03	%	7	August 15, 2018
March 16, 2010(5)	250,000		250,000		250,000		7.75	%	7.75	%	10	March 15, 2020
November 15, 2012(5)	200,000		200,000		200,000		4.50	%	4.50	%	10	December 1, 2022
June 27, 2005(2)(6)	7		7		7		4.00	%	4.00	%	20	June 15, 2025
March 26, 2007(7)	11,953		11,953		16,893		3.00	%	3.00	%	20	March 30, 2027
	$	1,388,166	$	1,332,588	$	1,334,956

(1)Interest on the senior unsecured notes is payable semi-annually with principal and unpaid interest due on the scheduled maturity dates.

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(2)Issued by ROP.

(3)On December 27, 2012, we repurchased $42.4 million aggregate principal amount of these notes, consisting of $22.7 million of the 5.875% Notes and $19.7 million of the 6.0% Notes, for a total consideration of $46.4 million and realized a net loss on early extinguishment of debt of approximately $3.8 million.

(4)In October 2010, the Operating Partnership issued $345.0 million of these exchangeable notes.  Interest on these notes is payable semi-annually on April 15 and October 15. The notes had an initial exchange rate representing an exchange price that was set at a 30.0% premium to the last reported sale price of our common stock on October 6, 2010, or $85.81. The initial exchange rate is subject to adjustment under certain circumstances. The current exchange rate is 11.6800 shares of our common stock per $1,000 principal amount of these notes. The notes are senior unsecured obligations of the Operating Partnership and are exchangeable upon the occurrence of specified events and during the period beginning on the twenty-second scheduled trading day prior to the maturity date and ending on the second business day prior to the maturity date, into cash or a combination of cash and shares of our common stock, if any, at our option. The notes are guaranteed by ROP. On the issuance date, $78.3 million of the debt balance was recorded in equity. As of March 31, 2013, approximately $55.1 million remained to be amortized into the debt balance.

(5)Issued by us, the Operating Partnership and ROP, as co-obligors.

(6)Exchangeable senior debentures which are currently callable at par. In addition, the debentures can be put to ROP, at the option of the holder at par plus accrued and unpaid interest, on June 15, 2015 and 2020 and upon the occurrence of certain change of control transactions. As a result of the acquisition of all outstanding shares of common stock of Reckson, or the Reckson Merger, the adjusted exchange rate for the debentures is 7.7461 shares of our common stock per $1,000 of principal amount of debentures and the adjusted reference dividend for the debentures is $1.3491.  During the year ended December 31, 2012, we repurchased $650,000 of these bonds at par.

(7)In March 2007, the Operating Partnership issued $750.0 million of these exchangeable notes.  Interest on these notes is payable semi-annually on March 30 and September 30. The notes have an initial exchange rate representing an exchange price that was set at a 25.0% premium to the last reported sale price of our common stock on March 20, 2007, or $173.30. The initial exchange rate is subject to adjustment under certain circumstances. The notes are senior unsecured obligations of the Operating Partnership and are exchangeable upon the occurrence of specified events and during the period beginning on the twenty-second scheduled trading day prior to the maturity date and ending on the second business day prior to the maturity date, into cash or a combination of cash and shares of our common stock, if any, at our option. The notes are currently redeemable at the Operating Partnership’s option. The Operating Partnership may be required to repurchase the notes on March 30, 2017 and 2022, and upon the occurrence of certain designated events. On March 30, 2012, we repurchased $102.2 million of aggregate principal amount of the exchangeable notes pursuant to a mandatory offer to repurchase the notes. On the issuance date, $66.6 million was recorded in equity and was fully amortized into the debt balance as of March 31, 2012. On January 2, 2013, we repurchased $4.9 million of aggregate principal amount of exchangeable notes at 99.6% of the principal amount.

Restrictive Covenants

The terms of the 2012 credit facility and certain of our senior unsecured notes include certain restrictions and covenants which may limit, among other things, our ability to pay dividends (as discussed below), make certain types of investments, incur additional indebtedness, incur liens and enter into negative pledge agreements and dispose of assets, and which require compliance with financial ratios relating to the minimum amount of tangible net worth, a maximum ratio of total indebtedness to total asset value, a minimum ratio of EBITDA to fixed charges, a maximum ratio of secured indebtedness to total asset value and a maximum ratio of unsecured indebtedness to unencumbered asset value.  The dividend restriction referred to above provides that we will not during any time when a default is continuing, make distributions with respect to common stock or other equity interests, except to enable us to continue to qualify as a REIT for Federal income tax purposes. As of March 31, 2013 and December 31, 2012, we were in compliance with all such covenants.

Junior Subordinate Deferrable Interest Debentures

In June 2005, we issued $100.0 million of Trust Preferred Securities, which are reflected on the balance sheet as Junior Subordinate Deferrable Interest Debentures. The proceeds were used to repay our revolving credit facility.  The $100.0 million of junior subordinate deferrable interest debentures have a 30-year term ending July 2035.  They bear interest at a fixed rate of 5.61% for the first 10 years ending July 2015. Thereafter, the rate will float at three month LIBOR plus 1.25%. The securities are redeemable at par.

Market Rate Risk

We are exposed to changes in interest rates primarily from our floating rate borrowing arrangements.  We often use interest rate derivative instruments to manage exposure to interest rate changes.  A hypothetical 100 basis point increase in interest rates along the entire interest rate curve for 2013 would increase our annual interest cost by approximately $8.4 million and would increase our share of joint venture annual interest cost by approximately $9.1 million, respectively.

We recognize most derivatives on the balance sheet at fair value.  Derivatives that are not hedges must be adjusted to fair value through income.  If a derivative is considered a hedge, depending on the nature of the hedge, changes in the fair value of the derivative will either be offset against the change in fair value of the hedged asset, liability, or firm commitment through earnings, or recognized in other comprehensive income until the hedged item is recognized in earnings.  The ineffective portion of a derivative’s change in fair value is immediately recognized in earnings.

Approximately $5.8 billion of our long-term debt bears interest at fixed rates, and therefore the fair value of these instruments is affected by changes in the market interest rates.  The interest rate on our variable rate debt and variable rate joint venture debt as of

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March 31, 2013 was based on a spread of LIBOR plus 90 basis points to LIBOR plus 950 basis points.

Contractual Obligations

Refer to our 2012 Annual Report on Form 10-K for a discussion of our contractual obligations. There have been no material changes, outside the ordinary course of business, to these contractual obligations during the three months ended March 31, 2013.

Off-Balance Sheet Arrangements

We have a number of off-balance sheet investments, including joint ventures and debt and preferred equity investments.  These investments all have varying ownership structures.  Substantially all of our joint venture arrangements are accounted for under the equity method of accounting as we have the ability to exercise significant influence, but not control over the operating and financial decisions of these joint venture arrangements.  Our off-balance sheet arrangements are discussed in Note 5, “Debt and Preferred Equity Investments” and Note 6, “Investments in Unconsolidated Joint Ventures” in the accompanying consolidated financial statements.

Capital Expenditures

We estimate that for the nine months ending December 31, 2013, we expect to incur approximately $141.0 million of capital expenditures,  which are net of loan reserves, (including tenant improvements and leasing commissions) on existing consolidated properties and our share of capital expenditures at our joint venture properties, net of loan reserves, will be approximately $26.8 million.  We expect to fund these capital expenditures with operating cash flow, additional property level mortgage financings and cash on hand.  Future property acquisitions may require substantial capital investments for refurbishment and leasing costs.  We expect that these financing requirements will be met in a similar fashion.  We believe that we will have sufficient resources to satisfy our capital needs during the next 12-month period.  Thereafter, we expect our capital needs will be met through a combination of cash on hand, net cash provided by operations, borrowings, potential asset sales or additional equity or debt issuances.

Dividends

We expect to pay dividends to our stockholders based on the distributions we receive from the Operating Partnership primarily from property revenues net of operating expenses or, if necessary, from working capital or borrowings.

To maintain our qualification as a REIT, we must pay annual dividends to our stockholders of at least 90% of our REIT taxable income, determined before taking into consideration the dividends paid deduction and net capital gains.  We intend to continue to pay regular quarterly dividends to our stockholders.  Based on our current annual dividend rate of $1.32 per share, we would pay approximately $120.9 million in dividends to our common stockholders on an annual basis.  Before we pay any dividend, whether for Federal income tax purposes or otherwise, which would only be paid out of available cash to the extent permitted under our 2012 credit facility and senior unsecured notes, we must first meet both our operating requirements and scheduled debt service on our mortgages and loans payable.

Related Party Transactions

Cleaning/ Security/ Messenger and Restoration Services

Through Alliance Building Services, or Alliance, First Quality Maintenance, L.P., or First Quality, provides cleaning, extermination and related services, Classic Security LLC provides security services, Bright Star Couriers LLC provides messenger services, and Onyx Restoration Works provides restoration services with respect to certain properties owned by us.  Alliance is partially owned by Gary Green, a son of Stephen L. Green, the chairman of our board of directors.  In addition, First Quality has the non-exclusive opportunity to provide cleaning and related services to individual tenants at our properties on a basis separately negotiated with any tenant seeking such additional services.  The Service Corporation has entered into an arrangement with Alliance whereby it will receive a profit participation above a certain threshold for services provided by Alliance to certain tenants at certain buildings above the base services specified in their lease agreements.  Alliance paid the Service Corporation approximately $1.0 million and $0.8 million for the three months ended March 31, 2013 and 2012, respectively.  We paid Alliance approximately $4.1 million and $3.5 million for the three months ended March 31, 2013 and 2012, respectively, for these services (excluding services provided directly to tenants).

Marketing Services

A-List Marketing, LLC, or A-List, provides marketing services to us.  Ms. Deena Wolff, a sister of Mr. Marc Holliday, is the owner of A-List. The aggregate amount of fees we paid to A-List for these marketing services was approximately $2,400 and $11,700 for the three months ended March 31, 2013 and 2012, respectively.

Leases

Nancy Peck and Company leases 1,003 square feet of space at 420 Lexington Avenue under a lease that ends in August 2015.  Nancy

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Peck and Company is owned by Nancy Peck, the wife of Stephen L. Green.  The rent due under the lease was $35,516 per annum for year one increasing to $40,000 in year seven.

Management Fees

S.L. Green Management Corp., a consolidated entity, receives property management fees from an entity in which Stephen L. Green owns an interest.  The aggregate amount of fees paid to S.L. Green Management Corp. from such entity was approximately $118,200 and $89,000 for the three months ended March 31, 2013 and 2012, respectively.

Gramercy Capital Corp.

Our related party transactions with Gramercy are discussed in Note 6, “Investments in Unconsolidated Joint Ventures—Gramercy Capital Corp.,” in the accompanying financial statements.

Insurance

We maintain “all-risk” property and rental value coverage (including coverage regarding the perils of flood, earthquake and terrorism) within two property insurance portfolios and liability insurance. As of March 31, 2013, the first property portfolio maintains a blanket limit of $950.0 million per occurrence, including terrorism, for the majority of the New York City properties in our portfolio. The second portfolio maintains a limit of $700.0 million per occurrence, including terrorism, for some New York City properties and the majority of the Suburban properties. Both policies expire on December 31, 2013.  Each policy includes $100.0 million of flood coverage, with a lower sublimit for locations in high hazard flood zones. We maintain liability policies which cover all our properties and provide limits of $201.0 million per occurrence and in the aggregate per location.  The liability policies expire on October 31, 2013.  Additional coverage may be purchased on a stand-alone basis for certain assets.

In October 2006, we formed a wholly-owned taxable REIT subsidiary, Belmont Insurance Company, or Belmont, to act as a captive insurance company and be one of the elements of our overall insurance program.  Belmont is a subsidiary of ours. Belmont was formed in an effort to, among other reasons, stabilize to some extent the fluctuations of insurance market conditions. Belmont is licensed in New York to write Terrorism, NBCR (nuclear, biological, chemical, and radiological), General Liability, Environmental Liability, Flood and D&O coverage.

·Terrorism: Belmont acts as a direct property insurer with respect to a portion of our terrorism coverage for the New York City properties.  Belmont has a terrorism coverage limit of $850.0 million in a layer in excess of $100.0 million.  In addition, Belmont purchased reinsurance to reinsure the retained insurable risk not otherwise covered under Terrorism Risk Insurance Program Reauthorization and Extension Act of 2007, or TRIPRA, as detailed below.

·NBCR: Belmont has acted as a direct insurer of NBCR coverage and since December 31, 2011, has provided coverage up to $750.0 million on our entire property portfolio for certified acts of terrorism above a program trigger of $100.0 million.  Belmont is responsible for a small deductible and 15% of a loss, with the remaining 85% covered by the Federal government.

·General Liability: For the period commencing October 31, 2010, Belmont insures a retention on the general liability insurance of $150,000 per occurrence and a $2.1 million annual aggregate stop loss limit. We have secured excess insurance to protect against catastrophic liability losses above the $150,000 retention.  Prior policy years carried a higher per occurrence deductible and/or higher aggregate stop loss.  Belmont has retained a third-party administrator to manage all claims within the retention and we anticipate that direct management of liability claims will improve loss experience and ultimately lower the cost of liability insurance in future years. In addition, we have an umbrella liability policy of $200.0 million per occurrence and in the aggregate on a per location basis.

·Environmental Liability: Belmont insures a deductible of $975,000 per occurrence in excess of $25,000 on a $25.0 million per occurrence and $30.0 million aggregate environmental liability policy covering our entire portfolio.

·Flood: For the period commencing December 31, 2012, Belmont insures a portion of the high hazard flood deductible on the New York City portfolio. Belmont insurance reduces the average deductible from $3.0 million to $1.0 million.

As long as we own Belmont, we are responsible for its liquidity and capital resources, and the accounts of Belmont are part of our consolidated financial statements. If we experience a loss and Belmont is required to pay under its insurance policy, we would ultimately record the loss to the extent of Belmont’s required payment. Therefore, insurance coverage provided by Belmont should not be considered as the equivalent of third-party insurance, but rather as a modified form of self-insurance.

The Terrorism Risk Insurance Act, or TRIA, which was enacted in November 2002, was renewed December 31, 2005 and again on

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December 31, 2007. Congress extended TRIA, now called TRIPRA (Terrorism Risk Insurance Program Reauthorization and Extension Act of 2007) until December 31, 2014. The law extends the federal Terrorism Insurance Program that requires insurance companies to offer terrorism coverage and provides for compensation for insured losses resulting from acts of certified terrorism, subject to the current program trigger of $100.0 million. There is no assurance that TRIPRA will be extended. Our debt instruments, consisting of mortgage loans secured by our properties (which are generally non-recourse to us), mezzanine loans, ground leases, our 2012 credit facility, senior unsecured notes and other corporate obligations, contain customary covenants requiring us to maintain insurance. Although we believe that we currently maintain sufficient insurance coverage to satisfy these obligations, there is no assurance that in the future we will be able to procure coverage at a reasonable cost.  In such instances, there can be no assurance that the lenders or ground lessors under these instruments will not take the position that a total or partial exclusion from “all-risk” insurance coverage for losses due to terrorist acts is a breach of these debt and ground lease instruments allowing the lenders or ground lessors to declare an event of default and accelerate repayment of debt or recapture of ground lease positions. In addition, if lenders prevail in asserting that we are required to maintain full coverage for these risks, it could result in substantially higher insurance premiums.

We monitor all properties that are subject to triple net leases to ensure that tenants are providing adequate coverage.  Certain joint ventures may be covered under policies separate from our policies, at coverage limits, which we deem to be adequate.  We continually monitor these policies.  Although we consider our insurance coverage to be appropriate, in the event of a major catastrophe, we may not have sufficient coverage to replace certain properties.

Funds From Operations

Funds From Operations, or FFO, is a widely recognized measure of REIT performance.  We compute FFO in accordance with standards established by the National Association of Real Estate Investment Trusts, or NAREIT, which may not be comparable to FFO reported by other REITs that do not compute FFO in accordance with the NAREIT definition, or that interpret the NAREIT definition differently than we do.  The revised White Paper on FFO approved by the Board of Governors of NAREIT in April 2002, and as subsequently amended, defines FFO as net income (loss) (computed in accordance with Generally Accepted Accounting Principles, or GAAP), excluding gains (or losses) from debt restructuring, sales of properties and real estate related impairment charges, plus real estate related depreciation and amortization and after adjustments for unconsolidated partnerships and joint ventures.  We present FFO because we consider it an important supplemental measure of our operating performance and believe that it is frequently used by securities analysts, investors and other interested parties in the evaluation of REITs, particularly those that own and operate commercial office properties.

We also use FFO as one of several criteria to determine performance-based bonuses for members of our senior management.  FFO is intended to exclude GAAP historical cost depreciation and amortization of real estate and related assets, which assumes that the value of real estate assets diminishes ratably over time.  Historically, however, real estate values have risen or fallen with market conditions.  Because FFO excludes depreciation and amortization unique to real estate, gains and losses from property dispositions and extraordinary items, it provides a performance measure that, when compared year over year, reflects the impact to operations from trends in occupancy rates, rental rates, operating costs, interest costs, providing perspective not immediately apparent from net income. FFO does not represent cash generated from operating activities in accordance with GAAP and should not be considered as an alternative to net income (determined in accordance with GAAP), as an indication of our financial performance or to cash flow from operating activities (determined in accordance with GAAP) as a measure of our liquidity, nor is it indicative of funds available to fund our cash needs, including our ability to make cash distributions.

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FFO for the three months ended March 31, 2013 and 2012 is as follows (in thousands):

	Three Months Ended March 31,
	2013			2012
Net income attributable to SL Green common stockholders	$	18,909		$	25,256
Add:
Depreciation and amortization	80,683			77,069
Discontinued operations depreciation adjustments	7			14
Unconsolidated joint ventures depreciation and noncontrolling interest adjustments	7,527			9,141
Net income attributable to noncontrolling interests	3,456			1,959
Less:
Gain on sale of discontinued operations	1,113			6,627
Equity in net gain on sale of joint venture property/real estate	—			7,260
Depreciation on non-rental real estate assets	245			267
Funds From Operations	$	109,224		$	99,285
Net cash flows provided by operating activities	$	102,525		$	56,831
Net cash flows used in investing activities	$	(174,490	)	$	(294,192	)
Net cash flows provided by financing activities	$	102,085		$	232,834

Inflation

Substantially all of the office leases provide for separate real estate tax and operating expense escalations as well as operating expense recoveries based on increases in the Consumer Price Index or other measures such as porters’ wage.  In addition, many of the leases provide for fixed base rent increases.  We believe that inflationary increases may be at least partially offset by the contractual rent increases and expense escalations described above.

Accounting Standards Updates

The Accounting Standards Updates are discussed in Note 2, “Significant Accounting Policies—Accounting Standards Updates” in the accompanying consolidated financial statements.

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Forward-Looking Information

This report includes certain statements that may be deemed to be “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 and are intended to be covered by the safe harbor provisions thereof.  All statements, other than statements of historical facts, included in this report that address activities, events or developments that we expect, believe or anticipate will or may occur in the future, including such matters as future capital expenditures, dividends and acquisitions (including the amount and nature thereof), development trends of the real estate industry and the Manhattan, Brooklyn, Westchester County, Connecticut, Long Island and Northern New Jersey office markets, business strategies, expansion and growth of our operations and other similar matters, are forward-looking statements. These forward-looking statements are based on certain assumptions and analyses made by us in light of our experience and our perception of historical trends, current conditions, expected future developments and other factors we believe are appropriate.

Forward-looking statements are not guarantees of future performance and actual results or developments may differ materially, and we caution you not to place undue reliance on such statements.  Forward-looking statements are generally identifiable by the use of the words “may,” “will,” “should,” “expect,” “anticipate,” “estimate,” “believe,” “intend,” “project,” “continue,” or the negative of these words, or other similar words or terms.

Forward-looking statements contained in this report are subject to a number of risks and uncertainties that may cause our actual results, performance or achievements to be materially different from future results, performance or achievements expressed or implied by forward-looking statements made by us.  These risks and uncertainties include:

·the effect of general economic, business and financial conditions, and their effect on the New York metropolitan real estate market in particular;

·dependence upon certain geographic markets;

·risks of real estate acquisitions, dispositions and developments, including the cost of construction delays and cost overruns;

·risks relating to debt and preferred equity investments;

·availability and creditworthiness of prospective tenants and borrowers;

·bankruptcy or insolvency of a major tenant or a significant number of smaller tenants;

·adverse changes in the real estate markets, including reduced demand for office space, increasing vacancy, and increasing availability of sublease space;

·availability of capital (debt and equity);

·unanticipated increases in financing and other costs, including a rise in interest rates;

·our ability to comply with financial covenants in our debt instruments;

·our ability to maintain our status as a REIT;

·risks of investing through joint venture structures, including the fulfillment by our partners of their financial obligations;

·the continuing threat of terrorist attacks, in particular in the New York Metropolitan area and on our tenants;

·our ability to obtain adequate insurance coverage at a reasonable cost and the potential for losses in excess of our insurance coverage, including as a result of environmental contamination; and

·legislative, regulatory and/or safety requirements adversely affecting REITs and the real estate business, including costs of compliance with the Americans with Disabilities Act, the Fair Housing Act and other similar laws and regulations.

Other factors and risks to our business, many of which are beyond our control, are described in other sections of this report and in our other filings with the SEC.  We undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of future events, new information or otherwise.

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ITEM 3.  Quantitative and Qualitative Disclosure About Market Risk

For quantitative and qualitative disclosures about market risk, see Item 7A, “Quantitative and Qualitative Disclosures About Market Risk,” in our Annual Report on Form 10-K for the year ended December 31, 2012.  Our exposures to market risk have not changed materially since December 31, 2012.

ITEM 4.  Controls and Procedures

Evaluation of Disclosure Controls and Procedures

We maintain disclosure controls and procedures that are designed to ensure that information required to be disclosed in our Exchange Act reports is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure based closely on the definition of “disclosure controls and procedures” in Rule 13a-15(e) of the Exchange Act.  Notwithstanding the foregoing, a control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that it will detect or uncover failures within the Company to disclose material information otherwise required to be set forth in our periodic reports.  Also, we have investments in certain unconsolidated entities.  As we do not control these entities, our disclosure controls and procedures with respect to such entities are necessarily substantially more limited than those we maintain with respect to our consolidated subsidiaries.

As of the end of the period covered by this report, we carried out an evaluation, under the supervision and with the participation of our management, including our Chief Executive Officer and our Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures.  Based upon that evaluation as of the end of the period covered by this report, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective to give reasonable assurance to the timely collection, evaluation and disclosure of information relating to the Company that would potentially be subject to disclosure under the Exchange Act and the rules and regulations promulgated thereunder.

Changes in Internal Control over Financial Reporting

There have been no significant changes in our internal control over financial reporting during the three months ended March 31, 2013, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART IIOTHER INFORMATION

ITEM 1.LEGAL PROCEEDINGS

As of March 31, 2013, we were not involved in any material litigation nor, to management’s knowledge, any material litigation threatened against us or our portfolio other than routine litigation arising in the ordinary course of business or litigation that is adequately covered by insurance.

ITEM 1A.RISK FACTORS

There have been no material changes to the risk factors disclosed in “Item 1A. Part I. Risk Factors” in our 2012 Annual Report on Form 10-K.

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

None

ITEM 3.DEFAULTS UPON SENIOR SECURITIES

None

ITEM 4.MINE SAFETY DISCLOSURES

Not Applicable

ITEM 5.OTHER INFORMATION

None

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ITEM 6.EXHIBITS

(a) Exhibits:

31.1	Certification by the Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, filed herewith.
31.2	Certification by the Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, filed herewith.
32.1	Certification by the Chief Executive Officer pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, filed herewith.
32.2	Certification by the Chief Financial Officer pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, filed herewith.
101.1	The following financial statements from SL Green Realty Corp.’s Quarterly Report on Form 10-Q for the three months ended March 31, 2013, formatted in XBRL: (i) Consolidated Balance Sheets (unaudited), (ii) Consolidated Statements of Income (unaudited), (iii) Consolidated Statements of Comprehensive Income (unaudited), (iv) Consolidated Statement of Equity (unaudited), (v) Consolidated Statements of Cash Flows (unaudited), and (vi) Notes to Consolidated Financial Statements (unaudited), detail tagged and filed herewith.

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SIGNATURES

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

	SL GREEN REALTY CORP.
	By:	/s/ James Mead
		James Mead
		Chief Financial Officer
Date:    May 10, 2013

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EX-31.1

Exhibit 31.1

CERTIFICATION

I, Marc Holliday, certify that:

1.I have reviewed this quarterly report on Form 10-Q of SL Green Realty Corp. (the “registrant”);

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

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

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

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

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

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

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

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

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

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

Date: May 10, 2013
/s/ Marc Holliday
Name:	Marc Holliday
Title:	Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, James Mead, certify that:

1.I have reviewed this quarterly report on Form 10-Q of SL Green Realty Corp. (the “registrant”);

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

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

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

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

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

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

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

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

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

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

Date: May 10, 2013
/s/ James Mead
Name:	James Mead
Title:	Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of SL Green Realty Corp. (the “Company”) on Form 10-Q as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Marc Holliday, Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

/s/ Marc Holliday
Name:	Marc Holliday
Title:	Chief Executive Officer
May 10, 2013

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of SL Green Realty Corp. (the “Company”) on Form 10-Q as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, James Mead, Chief Financial Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

/s/ James Mead
Name:	James Mead
Title:	Chief Financial Officer
May 10, 2013

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Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

Stockholders' Equity

Schedule of weighted average assumptions used to estimate the grant date fair value of options granted

	March 31,2013		December 31,2012
Dividend yield	2.00	%	2.00	%
Expected life of option	4.7 years		3.7 years
Risk-free interest rate	0.68	%	0.46	%
Expected stock price volatility	35.50	%	37.40	%

Summary of the status of stock options and changes during the period

	March 31, 2013					December 31, 2012
	Options Outstanding			Weighted Average ExercisePrice		Options Outstanding			Weighted Average Exercise Price
Balance at beginning of year	1,201,000			$	75.05	1,277,200			$	63.37
Granted	201,000			76.67		361,331			75.36
Exercised	(79,036		)	50.22		(382,612		)	36.65
Lapsed or cancelled	(4,000		)	67.64		(54,919		)	72.99
Balance at end of period	1,318,964			$	76.81	1,201,000			$	75.05
Options exercisable at end of period	585,786			$	81.38	479,913			$	86.85
Weighted average fair value of options granted during the period	$	3,867,342				$	6,602,967

Summary of restricted stock and charges during the period

	March 31, 2013			December 31, 2012
Balance at beginning of year	2,804,901			2,912,456
Granted	—			92,729
Cancelled	(300		)	(200,284		)
Balance at end of period	2,804,601			2,804,901
Vested during the period	500			408,800
Compensation expense recorded	$	1,464,223		$	6,930,381
Weighted average fair value of restricted stock granted during the period	$	—		$	7,023,942

Schedule of earnings per share calculation

Earnings per share for the three months ended March 31, 2013 and 2012 is computed as follows (amounts in thousands):

	Three Months EndedMarch 31,
	2013		2012
Numerator (Income)
Basic Earnings:
Income attributable to SL Green common stockholders	$	18,909	$	25,256
Effect of Dilutive Securities:
Redemption of units to common shares	555		888
Stock options	—		—
Diluted Earnings:
Income attributable to SL Green common stockholders	$	19,464	$	26,144

	Three Months EndedMarch 31,
	2013	2012
Denominator (Weighted Average Shares)
Basic Earnings:
Shares available to common stockholders	91,399	86,744
Effect of Dilutive Securities:
Redemption of units to common shares	2,687	3,049
3.0% exchangeable senior debentures due 2017	—	—
3.0% exchangeable senior debentures due 2027	—	—
4.0% exchangeable senior debentures due 2025	—	—
Stock-based compensation plans	216	380
Diluted Shares	94,302	90,173

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Debt and Preferred Equity Investments (Details) (USD $)	3 Months Ended																			0 Months Ended	1 Months Ended					1 Months Ended										3 Months Ended		9 Months Ended																	1 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2013 Debt investment	Dec. 31, 2012 Debt investment	Mar. 31, 2013 Total fixed rate	Dec. 31, 2012 Total fixed rate	Mar. 31, 2013 Other loan with an initial maturity of March 2015	Mar. 31, 2013 Mezzanine loan with an initial maturity date of February 2016	Dec. 31, 2012 Mezzanine loan with an initial maturity date of February 2016	Mar. 31, 2013 Mortgage/Mezzanine loan with an initial maturity date of May 2016	Dec. 31, 2012 Mortgage/Mezzanine loan with an initial maturity date of May 2016	Mar. 31, 2013 Mezzanine loan with an initial maturity date of May 2016	Dec. 31, 2012 Mezzanine loan with an initial maturity date of May 2016	Mar. 31, 2013 Junior participation with an initial maturity date of June 2016	Dec. 31, 2012 Junior participation with an initial maturity date of June 2016	Mar. 31, 2013 Mezzanine loan with an initial maturity date of November 2016	Dec. 31, 2012 Mezzanine loan with an initial maturity date of November 2016	Jan. 13, 2013 Mortgage/Mezzanine loan with an initial maturity date of March 2017	Jan. 31, 2013 Mortgage/Mezzanine loan with an initial maturity date of March 2017	Mar. 31, 2013 Mortgage/Mezzanine loan with an initial maturity date of March 2017	Dec. 31, 2012 Mortgage/Mezzanine loan with an initial maturity date of March 2017	Mar. 31, 2013 Other loan with an initial maturity of September 2021	Dec. 31, 2012 Other loan with an initial maturity of September 2021	Nov. 30, 2012 Mortgage	Mar. 31, 2013 Mortgage	Dec. 31, 2012 Mortgage	Mar. 31, 2013 Total floating rate	Dec. 31, 2012 Total floating rate	Mar. 31, 2013 Junior participation with an initial maturity date of June 2013	Dec. 31, 2012 Junior participation with an initial maturity date of June 2013	Mar. 31, 2013 Mezzanine loan with an initial maturity date of July 2013	Dec. 31, 2012 Mezzanine loan with an initial maturity date of July 2013	Nov. 30, 2011 Mezzanine loan with an initial maturity date of July 2013	Mar. 31, 2013 Mezzanine loan with an initial maturity date of December 2013 item	Feb. 28, 2013 Mezzanine loan with an initial maturity date of December 2013	Sep. 30, 2012 Mortgage/Mezzanine Loan with an initial maturity date of July 2014	Mar. 31, 2013 Mortgage/Mezzanine Loan with an initial maturity date of July 2014	Dec. 31, 2012 Mortgage/Mezzanine Loan with an initial maturity date of July 2014	Jul. 31, 2012 Mortgage/Mezzanine Loan with an initial maturity date of July 2014	Mar. 31, 2013 Mezzanine loan with an initial maturity date of July 2014	Dec. 31, 2012 Mezzanine loan with an initial maturity date of July 2014	Nov. 30, 2012 Mezzanine loan with an initial maturity date of July 2014	Mar. 31, 2013 Mezzanine loan with an initial maturity date of August 2014	Dec. 31, 2012 Mezzanine loan with an initial maturity date of August 2014	Mar. 31, 2013 Mortgage with initial maturity date of September 2014	Dec. 31, 2012 Mortgage with initial maturity date of September 2014	Mar. 31, 2013 Mortgage/Mezzanine loan with an initial maturity date of February 2015	Dec. 31, 2012 Mortgage/Mezzanine loan with an initial maturity date of February 2015	Mar. 31, 2013 Mezzanine loan with an initial maturity date of December 2015	Dec. 31, 2012 Mezzanine loan with an initial maturity date of December 2015	Mar. 31, 2013 Mezzanine loan with an initial maturity date of July 2016	Dec. 31, 2012 Mezzanine loan with an initial maturity date of July 2016	Mar. 31, 2013 Mortgage with initial maturity date of March 2016	Mar. 31, 2013 Mezzanine Loan with initial maturity date of October 2016	Dec. 31, 2012 Mezzanine Loan with initial maturity date of October 2016
Debt and Preferred Equity Investments
Increase in debt and preferred equity investments (net of discounts), including investments classified as held-for-sale	$ 208,600,000	$ 76,300,000
Decrease in debt and preferred equity investments (net of discounts), including investments classified as held-for-sale	121,900,000	59,700,000
Loan loss reserves recorded	0	3,000,000
Debt investment
Aggregate weighted average current yield (as a percent)	11.10%
Senior Financing	4,073,528,000						2,372,067,000		399,500,000	205,000,000		168,567,000		177,000,000		133,000,000		165,000,000				1,109,000,000		15,000,000					1,701,461,000		60,250,000		75,000,000						330,000,000			62,500,000			170,000,000						92,711,000		55,000,000		775,000,000	81,000,000
Carrying Value, Net of Discounts, at fixed rate							559,272,000	586,385,000	15,000,000	66,936,000	66,544,000	46,511,000	46,496,000	15,644,000	15,906,000	49,000,000	49,000,000	71,119,000	71,067,000			73,292,000	115,804,000	3,500,000	3,500,000		218,270,000	218,068,000													49,900,000
Carrying Value, Net of Discounts, at floating rate	1,443,834,000		1,357,203,000																										544,955,000	436,933,000	10,875,000	10,875,000	7,650,000	7,650,000		30,000,000			132,000,000	132,000,000	182,000,000	37,500,000	37,500,000		60,000,000	60,000,000	15,000,000	15,000,000	50,439,000	47,679,000	56,289,000	56,289,000	35,000,000	35,000,000		35,202,000	34,940,000
Loan Participation Amount included in Other assets & Other liabilities																																			7,400,000									5,000,000
Carrying value, net of discounts					1,104,227,000	1,023,318,000																																																	75,000,000
Loan loss reserve	(7,000,000)		(7,000,000)	(50,175,000)	(7,000,000)	(7,000,000)
Total, net of reserve					1,097,227,000	1,016,318,000
Percentage of loan sold																				50.00%																																			50.00%
Amount recovered from sale of loan																					57,800,000
Additional income recognized on sale																					12,900,000
Loans acquired																										219,000,000
Value of mortgage																																			15,000,000		100,000,000				462,000,000														150,000,000
Number of extension options																																				2
Extension term																																				1 year
Additional commitments to fund in connection with loan																																																	8,300,000		28,700,000					14,800,000
Sale of interest on the senior mortgage loan																																						50,000,000
Gain on sale of property	$ 1,113,000	$ 6,627,000

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Significant Accounting Policies (Details 2) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Investment in Commercial Real Estate Properties
Increase in rental revenue from amortization of acquired leases	$ 3,900,000	$ 2,100,000
Reduction in interest expense from amortization of above-market rate mortgages	1,300,000	1,000,000
Identified intangible assets (included in other assets):
Gross amount	725,708,000		725,861,000
Accumulated amortization	(279,714,000)		(263,107,000)
Net	445,994,000		462,754,000
Identified intangible liabilities (included in deferred revenue):
Gross amount	652,117,000		651,921,000
Accumulated amortization	(374,239,000)		(357,225,000)
Net	$ 277,878,000		$ 294,696,000
Other intangible assets | Minimum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets	1 year
Other intangible assets | Maximum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets	14 years
Above-market leases | Minimum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets	1 year
Above-market leases | Maximum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets	14 years
Below-market leases | Minimum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets	1 year
Below-market leases | Maximum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets	14 years
In-place leases | Minimum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets	1 year
In-place leases | Maximum
Investment in Commercial Real Estate Properties
Estimated useful life of other intangible assets	14 years
Buildings | Minimum
Investment in Commercial Real Estate Properties
Estimated useful life	3 years
Buildings | Maximum
Investment in Commercial Real Estate Properties
Estimated useful life	40 years

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Stockholders' Equity (Details 4) (USD $)	3 Months Ended										1 Months Ended	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 2010 Notional Unit Long-Term Compensation Plan	Mar. 31, 2012 2010 Notional Unit Long-Term Compensation Plan	Dec. 31, 2012 2010 Notional Unit Long-Term Compensation Plan	Dec. 17, 2012 2010 Notional Unit Long-Term Compensation Plan	Dec. 31, 2011 2010 Notional Unit Long-Term Compensation Plan	Dec. 31, 2010 2010 Notional Unit Long-Term Compensation Plan	Mar. 31, 2013 2010 Notional Unit Long-Term Compensation Plan Minimum	Mar. 31, 2013 2010 Notional Unit Long-Term Compensation Plan Maximum	Aug. 31, 2011 2011 Outperformance Plan	Mar. 31, 2013 2011 Outperformance Plan	Mar. 31, 2012 2011 Outperformance Plan	Mar. 31, 2013 Deferred Stock Compensation Plan for Directors	Mar. 31, 2013 Employee Stock Purchase Plan	Jan. 31, 2008 Employee Stock Purchase Plan
Stock based compensation
Approximate amount of LTIP units that may be earned by the recipients based on stock price appreciation									$ 15,000,000	$ 75,000,000	$ 85,000,000
Term of long term compensation program											3 years
Minimum return to be achieved for restricted stock awards to be made to plan participant (as a percent)											25.00%
Maximum performance pool established, net of forfeitures											85,000,000
Approximate amount of awards that may be earned by recipients after beginning of the second year if maximum performance achieved			25,000,000
Approximate amount of awards that may be earned by recipients after beginning of the third year if maximum performance achieved			25,000,000
Minimum stock price appreciation to earn maximum amount of awards (as a percent)					50.00%
LTIP units earned (in shares)					327,416		385,583	366,815
Percentage of LTIP Units earned, vested on December 17, 2012						50.00%
Cost of the plan, subject to adjustment for forfeitures	1,000,000	1,000,000	31,700,000									26,100,000
Compensation expense			$ 1,900,000	$ 1,900,000								$ 2,800,000	$ 1,200,000
Value of LTIP Units that could be earned expressed as percentage of outperformance amount in excess of the 30% benchmark											10.00%
Portion of earned LTIP Units vested												one-third
Percentage of LTIP Units earned, vesting on August 31, 2014												50.00%
Percentage of LTIP Units earned, vesting on August 31, 2015												50.00%
Maximum percentage of the annual retainer fee, chairman fees and meeting fees that may be deferred by non-employee directors														100.00%
Awards granted (in shares)														0
Phantom stock units outstanding (in shares)														72,706
Shares of common stock available for issuance																500,000
Duration of each offering period starting the first day of each calendar quarter															3 months
Purchase price as a percentage of market value of the common stock															85.00%
Shares of common stock issued															66,323

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Debt and Preferred Equity Investments (Details 2) (USD $)	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Preferred equity investment
Aggregate weighted average current yield (as a percent)	11.10%
Senior Financing	$ 4,073,528,000
Carrying Value, Net of Discounts, at floating rate	1,443,834,000	1,357,203,000
Preferred equity investments
Preferred equity investment
Aggregate weighted average current yield (as a percent)	11.40%
Senior Financing	1,533,347,000
Carrying Value, Net of Discounts, at fixed rate	346,607,000	340,885,000
Preferred equity with initial mandatory redemption on July, 2014
Preferred equity investment
Senior Financing	480,000,000
Carrying Value, Net of Discounts, at floating rate	103,437,000	100,831,000
Junior preferred equity loan	50,000,000
Preferred equity with initial mandatory redemption on October, 2014
Preferred equity investment
Senior Financing	70,000,000
Carrying Value, Net of Discounts, at floating rate	10,000,000	10,000,000
Preferred equity with initial mandatory redemption on April, 2016
Preferred equity investment
Senior Financing	57,087,000
Carrying Value, Net of Discounts, at floating rate	20,238,000	19,136,000
Additional commitments to fund in connection with loan	5,700,000
Preferred equity with initial mandatory redemption on July, 2016
Preferred equity investment
Senior Financing	926,260,000
Carrying Value, Net of Discounts, at floating rate	$ 212,932,000	$ 210,918,000

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Organization and Basis of Presentation (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 sqft property	Dec. 31, 2012
Real estate properties
Number of Properties	67
Square Feet	29,721,879
Weighted Average Occupancy (as a percent)	91.60%
Debt and preferred equity investments	$ 1,443,834	$ 1,357,203
Number of shares to be received on redemption of one unit of limited partnership interests	1
Stand-alone retail properties
Real estate properties
Number of Properties	14
Square Feet	465,207
Development
Real estate properties
Number of Properties	15
Square Feet	2,580,691
Residential properties
Real estate properties
Number of Properties	3
Square Feet	497,093
Number of units	468
Land
Real estate properties
Number of Properties	2
Square Feet	961,400
Managed office properties
Real estate properties
Square Feet	626,415
Number of office properties managed	2
Manhattan | Consolidated properties
Real estate properties
Number of Properties	27
Square Feet	18,347,945
Weighted Average Occupancy (as a percent)	93.80%
Manhattan | Unconsolidated properties
Real estate properties
Number of Properties	9
Square Feet	5,934,434
Weighted Average Occupancy (as a percent)	95.30%
Suburban | Consolidated properties
Real estate properties
Number of Properties	26
Square Feet	3,899,800
Weighted Average Occupancy (as a percent)	78.40%
Suburban | Unconsolidated properties
Real estate properties
Number of Properties	5
Square Feet	1,539,700
Weighted Average Occupancy (as a percent)	84.70%
West Coast | Office properties
Real estate properties
Number of Properties	31
Square Feet	4,473,603

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Debt and Preferred Equity Investments (Tables)

3 Months Ended

Mar. 31, 2013

Debt and Preferred Equity Investments

Summary of debt investments

As of March 31, 2013 and December 31, 2012, we held the following debt investments with an aggregate weighted average current yield of approximately 11.1% at March 31, 2013 (in thousands):

Loan Type	March 31, 2013 Senior Financing		March 31, 2013 Carrying Value, Net of Discounts			December 31, 2012 Carrying Value, Net of Discounts			Initial Maturity Date
Other Loan	$	399,500	$	15,000		$	—		March 2015
Mezzanine Loan	205,000		66,936			66,544			February 2016
Mortgage/Mezzanine Loan	168,567		46,511			46,496			May 2016
Mezzanine Loan	177,000		15,644			15,906			May 2016
Junior Participation	133,000		49,000			49,000			June 2016
Mezzanine Loan	165,000		71,119			71,067			November 2016
Mortgage/Mezzanine Loan(1)	1,109,000		73,292			115,804			March 2017
Other Loan	15,000		3,500			3,500			September 2021
Mortgage(2)	—		218,270			218,068			—
Total fixed rate	$	2,372,067	$	559,272		$	586,385
Junior Participation(3)	$	60,250	$	10,875		$	10,875		June 2013
Mezzanine Loan(4)	75,000		7,650			7,650			July 2013
Mezzanine Loan(5)	—		30,000			—			December 2013
Mortgage/Mezzanine Loan(6)	330,000		132,000			132,000			July 2014
Mezzanine Loan(7)	62,500		37,500			37,500			July 2014
Mezzanine Loan	170,000		60,000			60,000			August 2014
Mortgage	—		15,000			15,000			September 2014
Mortgage/Mezzanine Loan(8)	—		50,439			47,679			February 2015
Mezzanine Loan(9)	92,711		56,289			56,289			December 2015
Mezzanine Loan(10)	775,000		75,000			—			March 2016
Mezzanine Loan	55,000		35,000			35,000			July 2016
Mezzanine Loan(11)	81,000		35,202			34,940			October 2016
Total floating rate	$	1,701,461	$	544,955		$	436,933
Total	4,073,528		1,104,227			1,023,318
Loan loss reserve(3)	—		(7,000		)	(7,000		)
	$	4,073,528	$	1,097,227		$	1,016,318

(1) Interest is added to the principal balance for this accrual only loan. In January 2013, we sold 50% of the mezzanine loan for $57.8 million and recognized additional income of $12.9 million, which is included in investment and preferred equity income on the consolidated statements of income. The unaccrued interest during the period in which the loan was on non-accrual status is being accrued as of January 2013.

(2) In November 2012, we acquired this non-performing loan with an original balance of $219.0 million, which accrues interest at its default rate. This loan matured in June 2012.

(3) Loan loss reserves are specifically allocated to investments.  Our reserves reflect management’s judgment of the probability and severity of losses based on Level 3 data.  We cannot be certain that our judgment will prove to be correct or that reserves will be adequate over time to protect against potential future losses.

(4) In November 2011, we entered into a loan participation agreement in the amount of $7.4 million on a $15.0 million mortgage. Due to our continued involvement with the loan, the portion that was participated out has been recorded in other assets and other liabilities in the accompanying consolidated balance sheet.

(5) In February 2013, we entered into a loan participation agreement in the amount of $30.0 million on a $100.0 million mortgage. The note has two one-year extension options.

(6) As part of the restructuring and refinancing of the related senior mortgage in July 2012, our outstanding investment in the amount of $49.9 million was repaid in full at maturity and we also entered into a loan participation in the amount of $182.0 million on the $462.0 million outstanding senior mortgage which maturity was extended to July 2014. In September 2012, we sold $50.0 million of our interest in the senior mortgage to a third party.

(7) In November 2012, we entered into a loan participation agreement in the amount of $5.0 million on a $37.5 million mortgage. As a result of the transfer not meeting the conditions for sale accounting, the portion that was participated out has been recorded in other liabilities in the accompanying consolidated balance sheet.

(8) As of March 31, 2013, we were committed to fund an additional $8.3 million in connection with this loan.

(9) As of March 31, 2013, we were committed to fund an additional $28.7 million in connection with this loan.

(10) In March 2013, we originated a $150.0 million junior mezzanine loan and simultaneously sold one-half of our interest at par.

(11) As of March 31, 2013, we were committed to fund an additional $14.8 million in connection with this loan.

Summary of preferred equity investments

As of March 31, 2013 and December 31, 2012, we held the following preferred equity investments, with an aggregate weighted average current yield of approximately 11.4% at March 31, 2013 (in thousands):

Type	March 31, 2013 SeniorFinancing		March 31, 2013 Carrying Value, Net of Discounts		December 31, 2012 Carrying Value, Net of Discounts		InitialMandatory Redemption
Preferred equity(1)(2)	$	480,000	$	103,437	$	100,831	July 2014
Preferred equity	70,000		10,000		10,000		October 2014
Preferred equity(1)(3)	57,087		20,238		19,136		April 2016
Preferred equity(1)	926,260		212,932		210,918		July 2016
	$	1,533,347	$	346,607	$	340,885

(1) The difference between the pay and accrual rates is included as an addition to the principal balance outstanding.

(2) This investment was classified as held for sale at June 30, 2009, but as held-to-maturity for all periods subsequent to June 30, 2009.  The reserve previously taken against this loan is being accreted up to the face amount through the maturity date. In connection with a recapitalization of the investment, our mezzanine loan was converted to preferred equity in 2011. We also made an additional $50.0 million junior preferred equity loan.  This junior preferred equity loan was repaid at par in February 2012.

(3) As of March 31, 2013, we are committed to fund an additional $5.7 million on this loan.

Rollforward of total allowance for loan loss reserves

The following table is a rollforward of our total loan loss reserves at March 31, 2013 and December 31, 2012 (in thousands):

	March 31,2013		December 31, 2012
Balance at beginning of year	$	7,000	$	50,175
Expensed	—		3,000
Recoveries	—		(2,436		)
Charge-offs and reclassifications	—		(43,739		)
Balance at end of period	$	7,000	$	7,000

Summary of impaired loans, which may include non-accrual loans

The following table presents impaired loans, which may include non-accrual loans, as of March 31, 2013 and December 31, 2012, respectively (in thousands):

	March 31, 2013						December 31, 2012
	Unpaid Principal Balance		Recorded Investment		Allowance Allocated		Unpaid Principal Balance		Recorded Investment		Allowance Allocated
With no related allowance recorded:
Commercial real estate	$	—	$	—	$	—	$	—	$	—	$	—
With an allowance recorded:
Commercial real estate	10,750		10,750		7,000		10,750		10,750		7,000
Total	$	10,750	$	10,750	$	7,000	$	10,750	$	10,750	$	7,000

Summary of average recorded investment in impaired loans, including non-accrual loans and the related investment and preferred equity income recognized

The following table presents the average recorded investment in impaired loans, which may include non-accrual loans and the related investment and preferred equity income recognized during the three months ended March 31, 2013 and 2012, respectively (in thousands):

	Three Months Ended March 31,
	2013		2012
Average recorded investment in impaired loans	$	10,864	$	79,937
Investment and preferred equity income recognized	227		1,562

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Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Commitments and Contingencies
Initial term of non cancellable operating leases, minimum	1 year
Capital leases
2013 (9 months)	$ 1,589
2014	2,268
2015	2,339
2016	2,480
2017	2,630
Thereafter	353,908
Total minimum lease payments	365,214
Less amount representing interest	(321,810)
Present value of net minimum lease payments	43,404
Non-cancellable operating leases
2013 (9 months)	26,484
2014	35,412
2015	35,568
2016	35,985
2017	36,231
Thereafter	1,188,068
Total minimum lease payments	$ 1,357,748

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Debt and Preferred Equity Investments (Details 4) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2013 segment	Mar. 31, 2012	Dec. 31, 2012 segment
Debt and Preferred Equity Investments
Number of portfolio segments of financial receivables	1		1
Additional amount of financing receivables included in other assets	$ 129,000,000		$ 121,300,000
Recorded investment:
Average recorded investment in impaired loans	10,864,000	79,937,000
Investment and preferred equity income (loss) recognized	227,000	1,562,000
Class of financing receivable
Unpaid principal balance:
With an allowance recorded	10,750,000		10,750,000
Unpaid Principal Balance	10,750,000		10,750,000
Recorded investment:
With an allowance recorded	10,750,000		10,750,000
Recorded Investment	10,750,000		10,750,000
Allowance Allocated	$ 7,000,000		$ 7,000,000

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Segment Information (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Reconciliation of income from continuing operations to net income attributable to SL Green common stockholders
Income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate	$ 29,256	$ 21,431
Equity in net gain on sale of interest in unconsolidated joint venture/real estate		7,260
Income from continuing operations	29,256	28,691
Net loss from discontinued operations	(32)	(161)
Gain on sale of discontinued operations	1,113	6,627
Net income	30,337	35,157
Net income attributable to noncontrolling interests in operating partnership	(555)	(888)
Net income attributable to noncontrolling interests in other partnerships	(2,901)	(1,071)
Preferred unit distributions	(565)	(397)
Net income attributable to SL Green	26,316	32,801
Perpetual preferred stock dividends	(7,407)	(7,545)
Net income attributable to SL Green common stockholders	$ 18,909	$ 25,256

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Supplemental Disclosure of Non-Cash Investing and Financing Activities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Supplemental Disclosure of Non-Cash Investing and Financing Activities
Issuance of common stock as deferred compensation		$ 473
Issuance of units in the operating partnership	777	1,131
Redemption of units in the operating partnership	17,287	275
Derivative instruments at fair value	128	288
Mortgage assigned upon asset sale		59,099
Tenant improvements and capital expenditures payable	9,136	11,941
Fair value adjustment to noncontrolling interest in operating partnership	24,016	41,935
Deferred leasing payable	741	2,457
Capital leased asset	$ 6,859

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Stockholders' Equity (Details 5) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Basic Earnings:
Net income attributable to SL Green common stockholders	$ 18,909	$ 25,256
Effect of Dilutive Securities:
Redemption of units to common shares	555	888
Diluted Earnings:
Income attributable to SL Green common stockholders	$ 19,464	$ 26,144
Basic Shares:
Basic weighted average common shares outstanding (in shares)	91,399,000	86,744,000
Effect of Dilutive Securities:
Redemption of units to common shares	2,687,000	3,049,000
Stock-based compensation plans (in shares)	216,000	380,000
Diluted Shares	94,302,000	90,173,000
Common stock shares excluded from the diluted shares outstanding	988,887	785,929
3.0% exchangeable senior debentures due 2017
Effect of Dilutive Securities:
Interest rate (as a percent)	3.00%
3.0% exchangeable senior debentures due 2027
Effect of Dilutive Securities:
Interest rate (as a percent)	3.00%
4.0% exchangeable senior debentures due 2025
Effect of Dilutive Securities:
Interest rate (as a percent)	4.00%

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Environmental Matters

3 Months Ended

Mar. 31, 2013

Environmental Matters

Environmental Matters

16.  Environmental Matters

Our management believes that the properties are in compliance in all material respects with applicable Federal, state and local ordinances and regulations regarding environmental issues.  Management is not aware of any environmental liability that it believes would have a materially adverse impact on our financial position, results of operations or cash flows.  Management is unaware of any instances in which it would incur significant environmental cost if any of our properties were sold.

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Significant Accounting Policies (Details 4) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Significant Accounting Policies
Days past due for income recognition on debt and preferred equity investments to be suspended	90 days
Reserve for Possible Credit Losses
Loan loss reserves and charge offs		$ 564,000
Loan loss reserves or charge-offs on investments being held to maturity	0	3,000,000	3,000,000
Recoveries recorded		2,400,000	2,436,000
Income taxes
Minimum annual taxable income distributed to stockholders to maintain REIT qualification (as a percent)	90.00%
Federal, state and local tax provision	1,600,000	0
Estimated tax payments	100,000	0
Debt and Preferred Equity Investments Held to Maturity
Reserve for Possible Credit Losses
Loan loss reserves and charge offs	$ 0

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Financial Instruments: Derivatives and Hedging (Tables)

3 Months Ended

Mar. 31, 2013

Financial Instruments: Derivatives and Hedging

Schedule of notional and fair value of derivative financial instruments and foreign currency hedges

The notional value is an indication of the extent of our involvement in these instruments at that time, but does not represent exposure to credit, interest rate or market risks (amounts in thousands).

	Notional Value		Strike Rate		Effective Date	Expiration Date	Fair Value
Interest Rate Cap	$	775,000	3.650	%	04/2012	04/2013	$	—
Interest Rate Cap	$	271,912	6.000	%	11/2012	11/2013	$	—
Interest Rate Swap	$	30,000	2.295	%	07/2010	06/2016	$	(1,761	)
Interest Rate Swap	$	8,500	0.740	%	02/2012	02/2015	$	(70	)

Schedule of effect of derivative financial instruments on consolidated statements of income

The following table presents the effect of our derivative financial instruments and our share of our joint venture’s derivative financial instruments on the consolidated statements of income as of March 31, 2013 and 2012, respectively (in thousands):

		Amount of (Loss) or Gain Recognized in Other Comprehensive Loss (Effective Portion) For the Three Months Ended					Amount of (Loss) or Gain Reclassified from Accumulated Other Comprehensive Loss into Interest Expense/ Equity in net income of unconsolidated joint ventures (Effective Portion) For the Three Months Ended						Amount of (Loss) or Gain Recognized in Interest Expense/Equity in Net Income (Loss) of Unconsolidated Joint Ventures (Ineffective Portion) For the Three Months Ended
Designation\Cash Flow	Derivative	March 31, 2013		March 31, 2012			March 31, 2013			March 31, 2012			March 31, 2013			March 31, 2012
Qualifying	Interest Rate Swaps/Caps	$	180	$	(88	)	$	(1,708	)	$	(3,203	)	$	—		$	—
Non-qualifying	Interest Rate Caps	—		—			—			—			$	(15	)	$	(711	)

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Segment Information (Details) (USD $)	3 Months Ended
	Mar. 31, 2013 segment	Mar. 31, 2012	Dec. 31, 2012
Segment Information
Number of reportable segments	2
Segment information
Total revenues:	$ 369,971,000	$ 339,133,000
(Loss) income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate	29,256,000	21,431,000
Total assets	14,543,965,000		14,387,754,000
Leverage rate assumption (as a percent)	100.00%
Marketing, general and administrative expenses and transaction related costs	22,400,000	21,300,000
Transactions between reportable segments	0
Real Estate Segment
Segment information
Total revenues:	317,263,000	312,795,000
(Loss) income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate	(14,559,000)	516,000
Total assets	13,085,589,000	13,021,095,000
Debt and Preferred Equity Segment
Segment information
Total revenues:	52,708,000	26,338,000
(Loss) income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate	43,815,000	20,915,000
Total assets	$ 1,458,376,000	$ 1,366,659,000

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Corporate Indebtedness (Tables)

3 Months Ended

Mar. 31, 2013

Corporate Indebtedness

Schedule of senior unsecured notes and other related disclosures by scheduled maturity date

The following table sets forth our senior unsecured notes and other related disclosures as of March 31, 2013 and December 31, 2012, respectively by scheduled maturity date (amounts in thousands):

Issuance	March 31, 2013 Unpaid Principal Balance		March 31, 2013 Accreted Balance		December 31, 2012 Accreted Balance		Coupon Rate(1)		Effective Rate		Term (in Years)	Maturity
August 13, 2004(2)(3)	$	75,898	$	75,898	$	75,898	5.88	%	5.88	%	10	August 15, 2014
March 31, 2006(2)(3)	255,308		255,175		255,165		6.00	%	6.02	%	10	March 31, 2016
October 12, 2010(4)	345,000		289,919		287,373		3.00	%	7.13	%	7	October 15, 2017
August 5, 2011(5)	250,000		249,636		249,620		5.00	%	5.03	%	7	August 15, 2018
March 16, 2010(5)	250,000		250,000		250,000		7.75	%	7.75	%	10	March 15, 2020
November 15, 2012(5)	200,000		200,000		200,000		4.50	%	4.50	%	10	December 1, 2022
June 27, 2005(2)(6)	7		7		7		4.00	%	4.00	%	20	June 15, 2025
March 26, 2007(7)	11,953		11,953		16,893		3.00	%	3.00	%	20	March 30, 2027
	$	1,388,166	$	1,332,588	$	1,334,956

(1) Interest on the senior unsecured notes is payable semi-annually with principal and unpaid interest due on the scheduled maturity dates.

(2) Issued by ROP.

(3) On December 27, 2012, we repurchased $42.4 million of aggregate principal amount of these notes, consisting of $22.7 million of the 5.875% Notes and $19.7 million of the 6.0% Notes, for a total consideration of $46.4 million and realized a net loss on early extinguishment of debt of approximately $3.8 million.

(4) In October 2010, the Operating Partnership issued $345.0 million of these exchangeable notes.  Interest on these notes is payable semi-annually on April 15 and October 15. The notes had an initial exchange rate representing an exchange price that was set at a 30.0% premium to the last reported sale price of our common stock on October 6, 2010, or $85.81. The initial exchange rate is subject to adjustment under certain circumstances. The current exchange rate is 11.6800 shares of our common stock per $1,000 principal amount of these notes. The notes are senior unsecured obligations of the Operating Partnership and are exchangeable upon the occurrence of specified events and during the period beginning on the twenty-second scheduled trading day prior to the maturity date and ending on the second business day prior to the maturity date, into cash or a combination of cash and shares of our common stock, if any, at our option. The notes are guaranteed by ROP. On the issuance date, $78.3 million of the debt balance was recorded in equity. As of March 31, 2013, approximately $55.1 million remained to be amortized into the debt balance.

(5) Issued by us, the Operating Partnership and ROP, as co-obligors.

(6) Exchangeable senior debentures which are currently callable at par. In addition, the debentures can be put to ROP, at the option of the holder at par plus accrued and unpaid interest, on June 15, 2015 and 2020 and upon the occurrence of certain change of control transactions. As a result of the acquisition of all outstanding shares of common stock of Reckson, or the Reckson Merger, the adjusted exchange rate for the debentures is 7.7461 shares of our common stock per $1,000 of principal amount of debentures and the adjusted reference dividend for the debentures is $1.3491.  During the year ended December 31, 2012, we repurchased $650,000 of these bonds at par.

(7) In March 2007, the Operating Partnership issued $750.0 million of these exchangeable notes.  Interest on these notes is payable semi-annually on March 30 and September 30. The notes have an initial exchange rate representing an exchange price that was set at a 25.0% premium to the last reported sale price of our common stock on March 20, 2007, or $173.30. The initial exchange rate is subject to adjustment under certain circumstances. The notes are senior unsecured obligations of the Operating Partnership and are exchangeable upon the occurrence of specified events and during the period beginning on the twenty-second scheduled trading day prior to the maturity date and ending on the second business day prior to the maturity date, into cash or a combination of cash and shares of our common stock, if any, at our option. The notes are currently redeemable at the Operating Partnership’s option. The Operating Partnership may be required to repurchase the notes on March 30, 2017 and 2022, and upon the occurrence of certain designated events. On March 30, 2012, we repurchased $102.2 million of aggregate principal amount of the exchangeable notes pursuant to a mandatory offer to repurchase the notes. On the issuance date, $66.6 million was recorded in equity and was fully amortized into the debt balance as of March 31, 2012. On January 2, 2013, we repurchased $4.9 million of aggregate principal amount of exchangeable notes at 99.6% of the principal amount.

Schedule of combined aggregate principal maturities

Combined aggregate principal maturities of mortgages and other loans payable, revolving credit facility, trust preferred securities, term loan and senior unsecured notes and our share of joint venture debt as of March 31, 2013, including as-of-right extension options, were as follows (in thousands):

	Scheduled Amortization		Principal Repayments		Revolving Credit Facility		Trust Preferred Securities		Term Loan and Senior Unsecured Notes		Total		Joint Venture Debt
2013	$	30,878	$	357,308	$	—	$	—	$	—	$	388,186	$	185,130
2014	43,668		146,273		—		—		75,898		265,839		364,191
2015	46,325		229,537		—		—		7		275,869		36,886
2016	56,839		516,667		—		—		255,175		828,681		527,682
2017	60,897		1,098,064		—		—		301,872		1,460,833		933,612
Thereafter	367,307		1,861,722		30,000		100,000		1,099,636		3,458,665		151,642
	$	605,914	$	4,209,571	$	30,000	$	100,000	$	1,732,588	$	6,678,073	$	2,199,143

Schedule of consolidated interest expense, excluding capitalized interest

Consolidated interest expense, excluding capitalized interest, was comprised of the following (in thousands):

	Three Months Ended March 31,
	2013			2012
Interest expense	$	81,789		$	80,547
Interest income	(453		)	(410		)
Interest expense, net	$	81,336		$	80,137
Interest capitalized	$	3,062		$	2,536

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Property Acquisitions (Details) (USD $)			1 Months Ended							1 Months Ended		1 Months Ended
	Mar. 31, 2013 sqft property	Dec. 31, 2012	Mar. 31, 2013 248-252 Bedford Avenue property unit	Mar. 31, 2013 248-252 Bedford Avenue Mortgage loan	Sep. 30, 2012 635 and 641 Sixth Avenue sqft	Jun. 30, 2012 304 Park Avenue sqft	Oct. 31, 2011 Stonehenge Properties	Dec. 31, 2012 131-137 Spring Street sqft	Dec. 31, 2012 985-987 Third Avenue sqft	Oct. 31, 2012 1080 Amsterdam Avenue sqft property	Jan. 31, 2012 Manhattan	Jan. 31, 2012 Manhattan Series G Preferred Units	Jan. 31, 2012 Retail properties property	Jan. 31, 2012 Multifamily properties property sqft
Property Acquisitions
Number of properties acquired			84										5	2
Number of apartment units acquired			72
Number of townhouses acquired			12
Extinguishment of debt				$ 22,000,000
Interest rate added to base rate (as a percent)				2.25%
Interest rate, description				LIBOR
Area of property (in square foot)	29,721,879				267,000	215,000		68,000	42,000	82,250				488,000
Term of lease										99 years
Number of Properties	67									96
Consideration in cash						102,000,000
Value of preferred operating partnership units issued						33,000,000						47,600,000
Stated interest rate of preferred partnership units issued (as a percent)												4.50%
Number of units														385
Fixed rate debt	4,349,406,000	3,457,769,000											8,500,000	100,000,000
Term				5 years									5 years	12 years
Interest rate, fixed rate debt (as a percent)													3.75%	4.125%
Ownership interest in consolidated joint venture (as a percent)			90.00%				80.00%
Allocation of the purchase price of the assets acquired and liabilities assumed
Land					69,848,000	54,189,000					65,533,000
Building and building leasehold					104,474,000	75,619,000					128,457,000
Above market lease value						2,824,000					594,000
Acquired in-place leases					7,727,000	8,265,000					9,573,000
Other assets, net of other liabilities											2,190,000
Assets acquired					182,049,000	140,897,000					206,347,000
Below market lease value					9,049,000	5,897,000					13,239,000
Liabilities assumed					9,049,000	5,897,000					13,239,000
Purchase price allocation					173,000,000	135,000,000		122,300,000	18,000,000		193,108,000
Net consideration funded by us at closing			$ 54,900,000		$ 173,000,000	$ 135,000,000					$ 78,121,000

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Stockholders' Equity (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Stockholders' Equity
Authorized capital stock (in shares)	260,000,000
Authorized shares, par value (in dollars per share)	$ 0.01
Common stock, shares authorized	160,000,000	160,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Excess stock, shares authorized	75,000,000
Excess stock, par value (in dollars per share)	$ 0.01
Preferred stock, shares authorized	25,000,000
Common stock, shares issued	95,201,000	94,896,000
Common stock, shares outstanding net of treasury shares	91,555,082
Excess stock, shares issued	0
Excess stock, shares outstanding	0

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Investments in Unconsolidated Joint Ventures (Details 4) (Gramercy Capital Corp., USD $) Share data in Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Jun. 30, 2012 sqft
Related Party Transactions
Shares held of Gramercy's common stock	0.7
Percentage of Gramercy's common stock owned	1.30%
Total investment in Gramercy based on market value of common stock	$ 3,900,000
First Gramercy lease
Related Party Transactions
Space leased (in square feet)	7,300
Annual lease rent for year one	249,000
Annual lease rent for year ten	315,000
Second Gramercy lease
Related Party Transactions
Space leased (in square feet)	900
Annual lease rent for year one	35,300
Annual lease rent for year six	42,800
New Gramercy lease
Related Party Transactions
Space leased (in square feet)		8,100
Annual lease rent for year one	345,000
Annual lease rent for year three	357,000
Third Gramercy lease
Related Party Transactions
Space leased (in square feet)	1,400
Annual lease rent for year one	67,300
Annual lease rent for year six	$ 80,500

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Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Principles of Consolidation
Commercial real estate properties	$ 10,270,331	$ 10,269,630
Mortgages and other loans payable	4,815,485	4,615,464
Consolidated VIEs
Principles of Consolidation
Commercial real estate properties	596,100	607,400
Mortgages and other loans payable	$ 377,400	$ 379,600

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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating Activities
Net income	$ 30,337	$ 35,157
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	85,146	80,663
Equity in net (income) loss from unconsolidated joint ventures	(5,073)	1,560
Distributions of cumulative earnings from unconsolidated joint ventures	6,901	4,408
Equity in net gain on sale of interest in unconsolidated joint venture interest/real estate		(7,260)
Gain on sale of discontinued operations	(1,113)	(6,627)
Loan loss and other investment reserves, net of recoveries		564
Loss on early extinguishment of debt	18,513
Deferred rents receivable	(13,923)	(21,123)
Other non-cash adjustments	(22,115)	5,554
Changes in operating assets and liabilities:
Restricted cash - operations	5,447	(12,771)
Tenant and other receivables	7,409	14
Related party receivables	(3,638)	(3,664)
Deferred lease costs	(4,646)	(7,152)
Other assets	(21,185)	(24,230)
Accounts payable, accrued expenses and other liabilities	869	4,118
Deferred revenue and land leases payable	19,596	7,620
Net cash provided by operating activities	102,525	56,831
Investing Activities
Acquisitions of real estate property	(48,500)	(145,558)
Additions to land, buildings and improvements	(11,617)	(32,561)
Escrowed cash - capital improvements/acquisition deposits	191	(1,533)
Investments in unconsolidated joint ventures	(49,996)	(105,633)
Distributions in excess of cumulative earnings from unconsolidated joint ventures	5,333	16,652
Net proceeds from disposition of real estate/joint venture interest	5,852	23,088
Other investments	(10,146)	(40,016)
Debt and preferred equity and other investments, net of repayments/participations	(65,607)	(8,631)
Net cash used in investing activities	(174,490)	(294,192)
Financing Activities
Proceeds from mortgages and other loans payable	980,333	108,500
Repayments of mortgages and other loans payable	(787,887)	(13,526)
Proceeds from credit facility and senior unsecured notes	155,000	300,000
Repayments of credit facility and senior unsecured notes	(199,960)	(352,454)
Proceeds from stock options exercised and DRIP issuance	4,546	102,089
Net proceeds from sale of common stock/preferred stock	(57)	122,953
Purchases of treasury stock		(11,158)
Distributions to noncontrolling interests in other partnerships	(4,879)	(7,117)
Contributions from noncontrolling interests in other partnerships	3,110	18,331
Distributions to noncontrolling interests in the Operating Partnership	(853)	(762)
Dividends paid on common and preferred stock	(38,591)	(28,453)
Deferred loan costs and capitalized lease obligations	(8,677)	(5,569)
Net cash provided by financing activities	102,085	232,834
Net increase (decrease) in cash and cash equivalents	30,120	(4,527)
Cash and cash equivalents at beginning of period	189,984	138,192
Cash and cash equivalents at end of period	$ 220,104	$ 133,665

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Deferred Costs (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Deferred Costs
Deferred financing	$ 148,662	$ 152,596
Deferred leasing	289,678	285,931
Deferred costs, gross	438,340	438,527
Less accumulated amortization	(186,322)	(177,382)
Deferred costs, net	$ 252,018	$ 261,145

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Segment Information (Tables)

3 Months Ended

Mar. 31, 2013

Segment Information

Schedule of selected results of operations and selected asset information

Selected results of operations for the three months ended March 31, 2013 and 2012, and selected asset information as of March 31, 2013 and December 31, 2012, regarding our operating segments are as follows (in thousands):

	Real Estate Segment			Debt and Preferred Equity Segment		Total Company
Total revenues
Three months ended:
March 31, 2013	$	317,263		$	52,708	$	369,971
March 31, 2012	312,795			26,338		339,133
(Loss) income from continuing operations before equity in net gain on sale of unconsolidated joint venture/real estate
Three months ended:
March 31, 2013	$	(14,559	)	$	43,815	$	29,256
March 31, 2012	516			20,915		21,431
Total assets
As of:
March 31, 2013	$	13,085,589		$	1,458,376	$	14,543,965
December 31, 2012	13,021,095			1,366,659		14,387,754

Schedule of reconciliation of income from continuing operations to net income attributable to SL Green common stockholders

The table below reconciles income from continuing operations to net income attributable to SL Green common stockholders for the three months ended March 31, 2013 and 2012 (in thousands):

	Three Months Ended March 31,
	2013			2012
Income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate	$	29,256		$	21,431
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	—			7,260
Income from continuing operations	29,256			28,691
Net loss from discontinued operations	(32		)	(161		)
Gain on sale of discontinued operations	1,113			6,627
Net income	30,337			35,157
Net income attributable to noncontrolling interests in the Operating Partnership	(555		)	(888		)
Net income attributable to noncontrolling interests in other partnerships	(2,901		)	(1,071		)
Preferred unit distributions	(565		)	(397		)
Net income attributable to SL Green	26,316			32,801
Perpetual preferred stock dividends	(7,407		)	(7,545		)
Net income attributable to SL Green common stockholders	$	18,909		$	25,256

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Organization and Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2013

Organization and Basis of Presentation

Schedule of commercial office properties

Location	Ownership	Number of Properties	Square Feet	Weighted Average Occupancy(1)
Manhattan	Consolidated properties	27	18,347,945	93.8	%
	Unconsolidated properties	9	5,934,434	95.3	%
Suburban	Consolidated properties	26	3,899,800	78.4	%
	Unconsolidated properties	5	1,539,700	84.7	%
		67	29,721,879	91.6	%

(1) The weighted average occupancy represents the total leased square feet divided by total available rentable square feet.

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Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2013

Significant Accounting Policies

Principles of Consolidation

Principles of Consolidation

The consolidated financial statements include our accounts and those of our subsidiaries, which are wholly-owned or controlled by us. Entities which we do not control through our voting interest and entities which are variable interest entities but where we are not the primary beneficiary, are accounted for under the equity method or as debt and preferred equity investments.  See Note 5, “Debt and Preferred Equity Investments” and Note 6, “Investments in Unconsolidated Joint Ventures.”  All significant intercompany balances and transactions have been eliminated.

We consolidate variable interest entities, or VIEs, in which we are considered the primary beneficiary. The primary beneficiary of a VIE is the entity that has (i) the power to direct the activities that most significantly impact the entity’s economic performance and (ii) the obligation to absorb losses of the VIE or the right to receive benefits from the VIE that could be significant to the VIE. Included in commercial real estate properties on our consolidated balance sheets as of March 31, 2013 and December 31, 2012 are approximately $596.1 million and $607.4 million, respectively, related to our consolidated VIEs. Included in mortgages and other loans payable on our consolidated balance sheets as of March 31, 2013 and December 31, 2012 are approximately $377.4 million and $379.6 million, respectively, related to our consolidated VIEs.

A noncontrolling interest in a consolidated subsidiary is defined as the portion of the equity (net assets) in a subsidiary not attributable, directly or indirectly, to a parent.  Noncontrolling interests are required to be presented as a separate component of equity in the consolidated balance sheet and the presentation of net income was modified to require earnings and other comprehensive income to be attributed to controlling and noncontrolling interests.

We assess the accounting treatment for each joint venture and debt and preferred equity investment.  This assessment includes a review of each joint venture or limited liability company agreement to determine which party has what rights and whether those rights are protective or participating.  For all VIE’s, we review such agreements in order to determine which party has the power to direct the activities that most significantly impact the entity’s economic performance.  In situations where we and our partner approves, among other things, the annual budget, receives a detailed monthly reporting package from us, meets on a quarterly basis to review the results of the joint venture, reviews and approves the joint venture’s tax return before filing, and approves all leases that cover more than a nominal amount of space relative to the total rentable space at each property, we do not consolidate the joint venture as we consider these to be substantive participation rights that result in shared power of the activities that most significantly impact the performance of our joint venture.  Our joint venture agreements typically contain certain protective rights such as the requirement of partner approval to sell, finance or refinance the property and the payment of capital expenditures and operating expenditures outside of the approved budget or operating plan.

Investment in Commercial Real Estate Properties

Investment in Commercial Real Estate Properties

On a periodic basis, we assess whether there are any indications that the value of our real estate properties may be impaired or that their carrying value may not be recoverable.  A property’s value is considered impaired if management’s estimate of the aggregate future cash flows (undiscounted and without interest charges for consolidated properties) to be generated by the property is less than the carrying value of the property.  To the extent impairment has occurred, the loss will be measured as the excess of the carrying amount of the property over the calculated fair value of the property.  In addition, we assess our investments in unconsolidated joint ventures for recoverability, and if it is determined that a loss in value of the investment is other than temporary, we write down the investment to its fair value.  We evaluate our equity investments for impairment based on the joint venture’s projected discounted cash flows. We do not believe that the values of any of our consolidated properties or equity investments were impaired at either March 31, 2013 or December 31, 2012.

We allocate the purchase price of real estate to land and building (inclusive of tenant improvements) and, if determined to be material, intangibles, such as the value of above-, below- and at-market leases and origination costs associated with the in-place leases.  We depreciate the amount allocated to building (inclusive of tenant improvements) and other intangible assets over their estimated useful lives, which generally range from three to 40 years and from one to 14 years, respectively.  The values of the above- and below-market leases are amortized and recorded as either an increase (in the case of below-market leases) or a decrease (in the case of above-market leases) to rental income over the remaining term of the associated lease, which generally range from one to 14 years.  The value associated with in-place leases is amortized over the expected term of the associated lease, which generally ranges from one to 14 years.  If a tenant vacates its space prior to the contractual termination of the lease and no rental payments are being made on the lease, any unamortized balance of the related intangible will be written off.  The tenant improvements and origination costs are amortized as an expense over the remaining life of the lease (or charged against earnings if the lease is terminated prior to its contractual expiration date).  We assess fair value of the leases based on estimated cash flow projections that utilize appropriate discount and capitalization rates and available market information.  Estimates of future cash flows are based on a number of factors including the historical operating results, known trends, and market/economic conditions that may affect the property. To the extent acquired leases contain fixed rate renewal options that are below market and determined to be material, we amortize such below market lease value into rental income over the renewal period.

We recognized an increase of approximately $3.9 million and $2.1 million in rental revenue for the three months ended March 31, 2013 and 2012, respectively, for the amortization of aggregate below-market leases in excess of above-market leases and a reduction in lease origination costs, resulting from the allocation of the purchase price of the applicable properties.  We recognized a reduction in interest expense for the amortization of the above-market rate mortgages assumed of approximately $1.3 million and $1.0 million for the three months ended March 31, 2013 and 2012, respectively.

The following summarizes our identified intangible assets (acquired above-market leases and in-place leases) and intangible liabilities (acquired below-market leases) as of March 31, 2013 and December 31, 2012 (amounts in thousands):

	March 31, 2013			December 31, 2012
Identified intangible assets (included in other assets):
Gross amount	$	725,708		$	725,861
Accumulated amortization	(279,714		)	(263,107		)
Net	$	445,994		$	462,754
Identified intangible liabilities (included in deferred revenue):
Gross amount	$	652,117		$	651,921
Accumulated amortization	(374,239		)	(357,225		)
Net	$	277,878		$	294,696

Fair Value Measurements

Fair Value Measurements

Fair value is a market-based measurement, not an entity-specific measurement, and should be determined based on the assumptions that market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, FASB guidance establishes a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs that are classified within Levels 1 and 2 of the hierarchy) and the reporting entity’s own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy).

We determined the fair value of our current investments in marketable securities using Level 1, Level 2 and Level 3 inputs. Additionally, we determined the valuation allowance for loan losses based on Level 3 inputs. See Note 5, “Debt and Preferred Equity Investments.”

The estimated fair values of tangible and intangible assets and liabilities recorded in connection with business combinations are based on Level 3 inputs. We estimate fair values based on cash flow projections utilizing appropriate discount and/or capitalization rates and available market information.

We determine impairment in real estate investments and debt and preferred equity investments, including intangibles, utilizing cash flow projections that apply estimated revenue and expense growth rates, discount rates and capitalization rates, which are classified as Level 3 inputs.

We use the following methods and assumptions in estimating fair value disclosures for financial instruments.

· Cash and cash equivalents, restricted cash, accounts receivable, accounts payable and accrued expenses, and other assets and liabilities:  The carrying amount of cash and cash equivalents, restricted cash, accounts receivable, accounts payable and accrued expenses, and other assets and liabilities reported in our consolidated balance sheets approximates fair value due to the short term nature of these instruments.

· Debt and preferred equity investments:  The fair value of debt and preferred equity investments is estimated by discounting the future cash flows using current interest rates at which similar loans with the same maturities would be made to borrowers with similar credit ratings. See “Reserve for Possible Credit Losses” below regarding valuation allowances for loan losses.

· Derivative instruments: The fair value of derivative instruments is based on current market data received from financial sources that trade such instruments and are based on prevailing market data and derived from third party proprietary models based on well-recognized financial principles and reasonable estimates about relevant future market conditions.

· Mortgage and other loans payable and other debt:  The fair value of borrowings is estimated by discounting the future cash flows using current interest rates at which similar borrowings could be made by us.

The methodologies used for measuring fair value have been categorized into three broad levels as follows:

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

Level 2 — Valuations based principally on other observable market parameters, including

· Quoted prices in active markets for similar instruments,

· Quoted prices in less active or inactive markets for identical or similar instruments,

· Other observable inputs (such as interest rates, yield curves, volatilities, prepayment speeds, loss severities, credit risks and default rates), and

· Market corroborated inputs (derived principally from or corroborated by observable market data).

Level 3 — Valuations based significantly on unobservable inputs.

· Valuations based on third-party indications (broker quotes or counterparty quotes) which were, in turn, based significantly on unobservable inputs or were otherwise not supportable as Level 2 valuations.

· Valuations based on internal models with significant unobservable inputs.

These levels form a hierarchy. We follow this hierarchy for our assets and liabilities measured at fair value on a recurring and nonrecurring basis. The classifications are based on the lowest level of input that is significant to the fair value measurement.

Investment in Marketable Securities

Investment in Marketable Securities

We invest in marketable securities. At the time of purchase, we are required to designate a security as held-to-maturity, available-for-sale, or trading depending on ability and intent. We do not have any securities designated as held-to-maturity or trading at this time. Securities available-for-sale are reported at fair value pursuant to ASC 820-10, with the net unrealized gains or losses reported as a component of accumulated other comprehensive loss.  Unrealized losses that are determined to be other-than-temporary are recognized in earnings up to their credit component. Included in accumulated other comprehensive loss at March 31, 2013 and December 31, 2012 is approximately $5.0 million and $3.3 million, respectively, in net unrealized gains related to marketable securities.

The cost of bonds and marketable securities sold was determined using the specific identification method.

At March 31, 2013 and December 31, 2012, we held the following marketable securities (in thousands):

	March 31, 2013		December 31, 2012
Level 1 — Equity marketable securities	$	3,903	$	2,202
Level 2 — Commercial mortgage-backed securities	15,521		15,575
Level 3 — Rake bonds	3,570		3,652
Total marketable securities available-for-sale	$	22,994	$	21,429

The cost basis of the Level 3 securities was $3.7 million at March 31, 2013 and December 31, 2012. There were no sales of Level 3 securities during the three months ended March 31, 2013. The Level 3 securities mature at various times through 2030.

Revenue Recognition

Revenue Recognition

Rental revenue is recognized on a straight-line basis over the term of the lease. Rental revenue recognition commences when the tenant takes possession or controls the physical use of the leased space. In order for the tenant to take possession, the leased space must be substantially ready for its intended use. To determine whether the leased space is substantially ready for its intended use, management evaluates whether we are or the tenant is the owner of tenant improvements for accounting purposes. When management concludes that we are the owner of tenant improvements, rental revenue recognition begins when the tenant takes possession of the finished space, which is when such tenant improvements are substantially complete. In certain instances, when management concludes that we are not the owner (the tenant is the owner) of tenant improvements, rental revenue recognition begins when the tenant takes possession of or controls the space. When management concludes that we are the owner of tenant improvements for accounting purposes, management records amounts funded to construct the tenant improvements as a capital asset. For these tenant improvements, management records amounts reimbursed by tenants as a reduction of the capital asset. When management concludes that the tenant is the owner of tenant improvements for accounting purposes, management records our contribution towards those improvements as a lease incentive, which is included in deferred leasing costs on our consolidated balance sheets and amortized as a reduction to rental revenue on a straight-line basis over the term of the lease.  The excess of rents recognized over amounts contractually due pursuant to the underlying leases are included in deferred rents receivable on the accompanying consolidated balance sheets.  We establish, on a current basis, an allowance for future potential tenant credit losses, which may occur against this account.  The balance reflected on the consolidated balance sheet is net of such allowance.

In addition to base rent, our tenants also generally will pay their pro rata share of increases in real estate taxes and operating expenses for the building over a base year. In some leases, in lieu of paying additional rent based upon increases in building operating expenses, the tenant will pay additional rent based upon increases in the wage rate paid to porters over the porters’ wage rate in effect during a base year or increases in the consumer price index over the index value in effect during a base year. In addition, many of our leases contain fixed percentage increases over the base rent to cover escalations. Electricity is most often supplied by the landlord either on a sub-metered basis, or rent inclusion basis (i.e., a fixed fee is included in the rent for electricity, which amount may increase based upon increases in electricity rates or increases in electrical usage by the tenant). Base building services other than electricity (such as heat, air conditioning and freight elevator service during business hours, and base building cleaning) are typically provided at no additional cost, with the tenant paying additional rent only for services which exceed base building services or for services which are provided outside normal business hours. These escalations are based on actual expenses incurred in the prior calendar year. If the expenses in the current year are different from those in the prior year, then during the current year, the escalations will be adjusted to reflect the actual expenses for the current year.

We record a gain on sale of real estate when title is conveyed to the buyer, subject to the buyer’s financial commitment being sufficient to provide economic substance to the sale and we have no substantial economic involvement with the buyer.

Interest income on debt and preferred equity investments is recognized over the life of the investment using the effective interest method and recognized on the accrual basis.  Fees received in connection with loan commitments are deferred until the loan is funded and are then recognized over the term of the loan as an adjustment to yield.  Anticipated exit fees, whose collection is expected, are also recognized over the term of the loan as an adjustment to yield.  Fees on commitments that expire unused are recognized at expiration.

Income recognition is generally suspended for debt and preferred equity investments at the earlier of the date at which payments become 90 days past due or when, in the opinion of management, a full recovery of interest income and principal becomes doubtful.  Interest income recognition is resumed when the loan becomes contractually current and performance is demonstrated to be resumed. Interest is recorded as income on impaired loans only to the extent cash is received. Several of the debt and preferred equity investments provide for accrual of interest at specified rates, which differ from current payment terms. Interest is recognized on such loans at the accrual rate subject to management’s determination that accrued interest and outstanding principal are ultimately collectible, based on the underlying collateral and operations of the borrower. If management cannot make this determination, interest income above the current pay rate is recognized only upon actual receipt.

If we purchase a debt or preferred equity investment at a discount, intend to hold it until maturity and expect to recover the full value of the investment, we accrete the discount into income as an adjustment to yield over the term of the investment. If we purchase a debt or preferred equity investment at a discount with the intention of foreclosing on the collateral, we do not accrete the discount.

Reserve for Possible Credit Losses

Reserve for Possible Credit Losses

The expense for possible credit losses in connection with debt and preferred equity investments is the charge to earnings to increase the allowance for possible credit losses to the level that we estimate to be adequate, based on Level 3 data, considering delinquencies, loss experience and collateral quality.  Other factors considered relate to geographic trends and product diversification, the size of the portfolio and current economic conditions.  Based upon these factors, we establish the provision for possible credit loss on each individual investment.  When it is probable that we will be unable to collect all amounts contractually due, the investment is considered impaired.

Where impairment is indicated on an investment that is held to maturity, a valuation allowance is measured based upon the excess of the recorded investment amount over the net fair value of the collateral.  Any deficiency between the carrying amount of an asset and the calculated value of the collateral is charged to expense.  The write-off of the reserve balance is called a charge off.  We recorded no loan loss reserves during the three months ended March 31, 2013. During the three months ended March 31, 2012, we recorded loan loss reserves of $3.0 million on investments being held to maturity and approximately $2.4 million in recoveries in connection with the sale of our investments. This is included in loan loss and other investment reserves, net of recoveries in the accompanying consolidated statements of income.

Debt and preferred equity investments held for sale are carried at the lower of cost or fair market value using available market information obtained through consultation with dealers or other originators of such investments as well as discounted cash flow models based on Level 3 data pursuant to ASC 820-10. As circumstances change, management may conclude not to sell an investment designated as held for sale.  In such situations, the investment will be reclassified at its net carrying value to debt and preferred equity investments held to maturity.  For these reclassified investments, the difference between the current carrying value and the expected cash to be collected at maturity will be accreted into income over the remaining term of the investment.

Income Taxes

Income Taxes

We are taxed as a REIT under Section 856(c) of the Code.  As a REIT, we generally are not subject to Federal income tax.  To maintain our qualification as a REIT, we must distribute at least 90% of our REIT taxable income to our stockholders and meet certain other requirements.  If we fail to qualify as a REIT in any taxable year, we will be subject to Federal income tax on our taxable income at regular corporate rates.  We may also be subject to certain state, local and franchise taxes.  Under certain circumstances, Federal income and excise taxes may be due on our undistributed taxable income.

Pursuant to amendments to the Code that became effective January 1, 2001, we have elected, and may in the future, elect to treat certain of our existing or newly created corporate subsidiaries as taxable REIT subsidiaries, or a TRS.  In general, a TRS of ours may perform non-customary services for our tenants, hold assets that we cannot hold directly and generally may engage in any real estate or non-real estate related business.  Our TRSs generate income, resulting in Federal and state income tax liability for these entities.  Our TRSs recorded Federal, state and local tax provisions of $1.6 million and zero during the three months ended March 31, 2013 and 2012, respectively, and made estimated tax payments of $0.1 million and zero during the three months ended March 31, 2013 and 2012, respectively.

We follow a two-step approach for evaluating uncertain tax positions. Recognition (step one) occurs when an enterprise concludes that a tax position, based solely on its technical merits, is more-likely-than-not to be sustained upon examination. Measurement (step two) determines the amount of benefit that is more-likely-than-not to be realized upon settlement. Derecognition of a tax position that was previously recognized would occur when a company subsequently determines that a tax position no longer meets the more-likely-than-not threshold of being sustained. The use of a valuation allowance as a substitute for derecognition of tax positions is prohibited.

Stock-Based Employee Compensation Plans

Stock-Based Employee Compensation Plans

We have a stock-based employee compensation plan, described more fully in Note 13, “Equity.”

Our stock options are recorded at fair value at the time of issuance. Fair value of the stock options is determined using the Black-Scholes option-pricing model. The Black-Scholes model was developed for use in estimating the fair value of traded options, which have no vesting restrictions and are fully transferable.  In addition, option valuation models require the input of highly subjective assumptions including the expected stock price volatility.  Because our plan has characteristics significantly different from those of traded options and because changes in the subjective input assumptions can materially affect the fair value estimate, in our opinion, the existing models do not necessarily provide a reliable single measure of the fair value of our employee stock options.

Compensation cost for stock options, if any, is recognized ratably over the vesting period of the award.  Our policy is to grant options with an exercise price equal to the quoted closing market price of our stock on the grant date.  Awards of stock or restricted stock are expensed as compensation over the benefit period based on the fair value of the stock on the grant date.

For share-based awards with a performance or market measure, we recognize compensation cost over the requisite service period, using the accelerated attribution expense method. The requisite service period begins on the date the compensation committee of our board of directors authorizes the award, adopts any relevant performance measures and communicates the award to the employees. For programs with performance measures, the total estimated compensation cost is based on the fair value of the award at the applicable reporting date estimated using a binomial model. For share-based awards for which there is no pre-established performance measure, we recognize compensation cost over the service vesting period, which represents the requisite service period, on a straight-line basis. In accordance with the provisions of our share-based incentive compensation plans, we accept the return of shares of our Company common stock, at the current quoted market price, from certain key employee to satisfy minimum statutory tax-withholding requirements related to shares that vested during the period.

Awards can also be made in the form of a separate series of units of limited partnership interest in the Operating Partnership called long-term incentive plan units, or LTIP Units. LTIP Units, which can be granted either as free-standing awards or in tandem with other awards under our stock incentive plan, are valued by reference to the value of our common stock at the time of grant, and are subject to such conditions and restrictions as the compensation committee of our board of directors may determine, including continued employment or service, computation of financial metrics and/or achievement of pre-established performance goals and objectives.

Earnings per Share

Earnings per Share

We present both basic and diluted earnings per share, or EPS.  Basic EPS excludes dilution and is computed by dividing net income attributable to common stockholders by the weighted average number of common shares outstanding during the period. Basic EPS includes participating securities, consisting of unvested restricted stock that receive nonforfeitable dividends similar to shares of common stock. Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock, where such exercise or conversion would result in a lower EPS amount.  This also includes units of limited partnership interest. The dilutive effect of the outstanding nonvested shares of common stock, or nonvested shares, and restricted stock units, or RSUs, that have not yet been granted but are contingently issuable under the share-based compensation programs is reflected in the weighted average diluted shares calculation by application of the treasury stock method at the beginning of the quarterly period in which all necessary conditions have been satisfied. The dilutive effect of stock options is reflected in the weighted average diluted outstanding shares calculation by application of the treasury stock method. There is no dilutive effect for the exchangeable senior debentures as the conversion premium will be paid in cash.

Use of Estimates

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Concentration of Credit Risk

Concentrations of Credit Risk

Financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash investments, debt and preferred equity investments and accounts receivable.  We place our cash investments in excess of insured amounts with high quality financial institutions.  The collateral securing our debt and preferred equity investments is located in the New York Metropolitan area. See Note 5, “Debt and Preferred Equity Investments.” We perform ongoing credit evaluations of our tenants and require most tenants to provide security deposits or letters of credit. Though these security deposits and letters of credit are insufficient to meet the total value of a tenant’s lease obligation, they are a measure of good faith and a source of funds to offset the economic costs associated with lost rent and the costs associated with re-tenanting the space.  Although the properties in our real estate portfolio are primarily located in Manhattan, we also have Suburban properties located in Brooklyn, Long Island, Westchester County, Connecticut, Northern New Jersey and the west coast.  The tenants located in our buildings operate in various industries.  Other than three tenants who account for approximately 6.0%, 6.5% and 7.0% of our share of annualized cash rent, no other tenant in our portfolio accounted for more than 1.9% of our annualized cash rent, including our share of joint venture annualized cash rent at March 31, 2013. Approximately 9%, 7%, 6% and 6% of our annualized cash rent for consolidated properties for the three months ended March 31, 2013 was attributable to 1515 Broadway, 1185 Avenue of the Americas, 420 Lexington Avenue and One Madison Avenue, respectively.  In addition, two debt and preferred equity investments accounted for more than 10% of the income earned on debt and preferred equity investments during the three months ended March 31, 2013.

Reclassification

Reclassification

Certain prior year balances have been reclassified to conform to our current year presentation primarily in order to eliminate discontinued operations from income from continuing operations.

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Debt and Preferred Equity Investments (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Loan loss reserve activity
Balance at beginning of year	$ 7,000	$ 50,175	$ 50,175
Expensed	0	3,000	3,000
Recoveries		(2,400)	(2,436)
Charge-offs and reclassifications			(43,739)
Balance at end of period	$ 7,000		$ 7,000

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Supplemental Disclosure of Non-Cash Investing and Financing Activities (Tables)

3 Months Ended

Mar. 31, 2013

Supplemental Disclosure of Non-Cash Investing and Financing Activities

Summary of non-cash investing and financing activities

The following table provides information on non-cash investing and financing activities for the three months ended March 31, 2013 and 2012, respectively (in thousands):

	Three Months Ended March 31,
	2013		2012
Issuance of common stock as deferred compensation	$	—	$	473
Issuance of units in the Operating Partnership	777		1,131
Redemption of units in the Operating Partnership	17,287		275
Derivative instruments at fair value	128		288
Mortgage assigned upon asset sale	—		59,099
Tenant improvements and capital expenditures payable	9,136		11,941
Fair value adjustment to noncontrolling interest in the Operating Partnership	24,016		41,935
Deferred leasing payable	741		2,457
Capital leased asset	6,839		—

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Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

Significant Accounting Policies

Summary of identified intangible assets (acquired above-market leases and in-place leases) and intangible liabilities (acquired below-market leases)

The following summarizes our identified intangible assets (acquired above-market leases and in-place leases) and intangible liabilities (acquired below-market leases) as of March 31, 2013 and December 31, 2012 (amounts in thousands):

	March 31, 2013			December 31, 2012
Identified intangible assets (included in other assets):
Gross amount	$	725,708		$	725,861
Accumulated amortization	(279,714		)	(263,107		)
Net	$	445,994		$	462,754
Identified intangible liabilities (included in deferred revenue):
Gross amount	$	652,117		$	651,921
Accumulated amortization	(374,239		)	(357,225		)
Net	$	277,878		$	294,696

Schedule of marketable securities

At March 31, 2013 and December 31, 2012, we held the following marketable securities (in thousands):

	March 31, 2013		December 31, 2012
Level 1 — Equity marketable securities	$	3,903	$	2,202
Level 2 — Commercial mortgage-backed securities	15,521		15,575
Level 3 — Rake bonds	3,570		3,652
Total marketable securities available-for-sale	$	22,994	$	21,429

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Property Acquisitions (Tables) (2012 Acquisitions)

3 Months Ended

Mar. 31, 2013

2012 Acquisitions

Property Acquisitions

Schedule of allocation of the purchase price of the assets acquired and liabilities assumed

The following summarizes our allocation of the purchase price of the assets acquired and liabilities assumed upon the closing of these 2012 acquisitions (amounts in thousands):

	635-641 Sixth Avenue		304 Park Avenue South		Stonehenge Properties
Land	$	69,848	$	54,189	$	65,533
Building and building leasehold	104,474		75,619		128,457
Above market lease value	—		2,824		594
Acquired in-place leases	7,727		8,265		9,573
Other assets, net of other liabilities	—		—		2,190
Assets acquired	182,049		140,897		206,347
Fair value adjustment to mortgage note payable	—		—		—
Below market lease value	9,049		5,897		13,239
Liabilities assumed	9,049		5,897		13,239
Purchase price allocation	$	173,000	$	135,000	$	193,108
Net consideration funded by us at closing	$	173,000	$	135,000	$	78,121
Equity and/or debt investment held	$	—	$	—	$	—
Debt assumed	$	—	$	—	$	—

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Consolidated Statement of Equity (Parenthetical) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Consolidated Statement of Equity
Cash distribution declared, per common share (in dollars per share)	$ 0.33	$ 0.25

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Property Dispositions and Assets Held for Sale (Tables)

3 Months Ended

Mar. 31, 2013

Property Dispositions and Assets Held for Sale

Summary of income from discontinued operations

The following table summarizes income from discontinued operations for the three months ended March 31, 2013 and 2012, respectively (in thousands).

	Three Months Ended March 31,
	2013			2012
Revenues
Rental revenue	$	(10	)	$	568
Escalation and reimbursement revenues	—			7
Other income	—			—
Total revenues	(10		)	575
Operating expenses	5			11
Real estate taxes	10			18
Interest expense, net of interest income	—			598
Transaction related costs	—			95
Depreciation and amortization	7			14
Total expenses	22			736
Net loss from discontinued operations	$	(32	)	$	(161	)

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Noncontrolling Interests in Operating Partnership (Tables)

3 Months Ended

Mar. 31, 2013

Noncontrolling Interests in Operating Partnership

Schedule of activity relating to the noncontrolling interests in the operating partnership

We have included a rollforward analysis of the activity relating to the noncontrolling interests in the Operating Partnership below (in thousands):

	Three Months Ended March 31,2013			Year Ended December 31, 2012
Balance at beginning of period	$	212,907		$	195,030
Distributions	(853		)	(3,296		)
Issuance of common units	777			42,239
Redemption of common units	(17,287		)	(87,513		)
Net income	555			5,597
Accumulated other comprehensive income (loss) allocation	59			(388		)
Fair value adjustment	24,016			61,238
Balance at end of period	$	220,174		$	212,907

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Property Dispositions and Assets Held for Sale (Details) (USD $)	3 Months Ended		1 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Feb. 29, 2012 292 Madison Avenue	Feb. 28, 2013 44th West 55th Street
Property Dispositions and Assets Held for Sale
Consideration for sale of property			$ 85,000,000	$ 6,300,000
Gain on sale of property	1,113,000	6,627,000	6,600,000	1,100,000
Revenues
Rental revenue	(10,000)	568,000
Escalation and reimbursement revenues		7,000
Total revenues	(10,000)	575,000
Rental revenue	(10,000)	568,000
Operating expense	5,000	11,000
Real estate taxes	10,000	18,000
Interest expense, net of interest income		598,000
Transaction related costs		95,000
Depreciation and amortization	7,000	14,000
Total expenses	22,000	736,000
Net loss from discontinued operations	(32,000)	(161,000)
Total expenses	$ 22,000	$ 736,000

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Noncontrolling Interests in Operating Partnership (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		1 Months Ended			1 Months Ended				3 Months Ended	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Jan. 31, 2012 Series G Preferred Units	Mar. 31, 2013 Series G Preferred Units	Dec. 31, 2012 Series G Preferred Units	Nov. 30, 2011 Series H Preferred Units	Mar. 31, 2013 Series H Preferred Units	Dec. 31, 2012 Series H Preferred Units	Mar. 31, 2013 Performance Based LTIP units	Mar. 31, 2013 SL Green Operating Partnership unit	Dec. 31, 2012 SL Green Operating Partnership unit
Organization
Noncontrolling interest in the operating partnership (as a percent)										2.75%	2.94%
Number of units of operating partnership owned by the noncontrolling interest unit holders										2,585,675	2,759,758
Phantom stock units outstanding (in shares)									16,667
Shares of common stock reserved for issuance upon redemption of units of limited partnership interest in operating partnership										2,602,342
Number of preferred units issued (in shares)			1,902,000	1,902,000	1,902,000	80,000	80,000	80,000
Dividend rate preferred units (as a percent)			4.50%			6.00%
Liquidation preference of preferred units (in dollars per share)			$ 25.00	$ 25.00	$ 25.00	$ 25.00	$ 25.00	$ 25.00
Annual dividends on preferred units (in dollars per share)			$ 1.125			$ 1.50
Operating partnership common stock value use for conversion of preferred units (in dollars per share)			$ 88.50
Number of company common stock issue on redemption of operation partnership common units			1
Rollforward analysis of the activity relating to the noncontrolling interests in the operating partnership
Balance at the beginning of period	$ 212,907									$ 212,907	$ 195,030
Distributions	(4,879)									(853)	(3,296)
Issuance of common units										777	42,239
Redemption of common units										(17,287)	(87,513)
Net income	555	888								555	5,597
Accumulated other comprehensive income (loss) allocation	59	(184)								59	(388)
Fair value adjustment										24,016	61,238
Balance at the end of period	$ 220,174									$ 220,174	$ 212,907

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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Commercial real estate properties, at cost:
Land and land interests	$ 2,886,099	$ 2,886,099
Building and improvements	7,452,347	7,389,766
Building leasehold and improvements	1,346,481	1,346,748
Properties under capital lease	47,179	40,340
Total commercial real estate properties, at cost	11,732,106	11,662,953
Less: accumulated depreciation	(1,461,775)	(1,393,323)
Total commercial real estate properties, net	10,270,331	10,269,630
Assets held for sale		4,901
Cash and cash equivalents	220,104	189,984
Restricted cash	130,233	136,071
Investment in marketable securities	22,994	21,429
Tenant and other receivables, net of allowance of $20,947 and $21,652 in 2013 and 2012, respectively	41,950	48,544
Related party receivables	11,169	7,531
Deferred rents receivable, net of allowance of $28,475 and $29,580 in 2013 and 2012, respectively	355,250	340,747
Debt and preferred equity investments, net of discount of $11,251 and $13,572 and allowance of $7,000 both in 2013 and 2012, respectively	1,443,834	1,357,203
Investments in unconsolidated joint ventures	1,073,130	1,032,243
Deferred costs, net	252,018	261,145
Other assets	722,952	718,326
Total assets	14,543,965	14,387,754
Liabilities
Mortgages and other loans payable	4,815,485	4,615,464
Revolving credit facility	30,000	70,000
Term loan and senior unsecured notes	1,732,588	1,734,956
Accrued interest payable and other liabilities	73,666	73,769
Accounts payable and accrued expenses	143,812	159,598
Deferred revenue	322,317	321,764
Capitalized lease obligations	43,404	37,518
Deferred land leases payable	19,750	20,897
Dividend and distributions payable	37,737	37,839
Security deposits	49,803	46,253
Liabilities related to assets held for sale		136
Junior subordinate deferrable interest debentures held by trusts that issued trust preferred securities	100,000	100,000
Total liabilities	7,368,562	7,218,194
Commitments and contingencies
Noncontrolling interest in the Operating Partnership	220,174	212,907
SL Green stockholders' equity:
Common stock, $0.01 par value 160,000 shares authorized and 95,201 and 94,896 issued and outstanding at March 31, 2013 and December 31, 2012, respectively (including 3,646 and 3,646 shares held in Treasury at March 31, 2013 and December 31, 2012, respectively)	953	950
Additional paid-in-capital	4,697,528	4,667,900
Treasury stock at cost	(322,858)	(322,858)
Accumulated other comprehensive loss	(26,117)	(29,587)
Retained earnings	1,665,468	1,701,092
Total SL Green stockholders' equity	6,417,246	6,419,802
Noncontrolling interests in other partnerships	488,433	487,301
Total equity	6,905,679	6,907,103
Total liabilities and equity	14,543,965	14,387,754
Series G Preferred Units
Liabilities
Preferred Units	47,550	47,550
Series H Preferred Units
Liabilities
Preferred Units	2,000	2,000
Series C Preferred Stock
SL Green stockholders' equity:
Preferred stock	180,340	180,340
Series I Preferred Stock
SL Green stockholders' equity:
Preferred stock	$ 221,932	$ 221,965

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Organization and Basis of Presentation (Details) (SL Green Operating Partnership)	3 Months Ended		1 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 1997 Service Corporation
Organization
Economic interest in variable interest entity (as a percent)			95.00%
Percentage of ownership in SL Green Management LLC owned by operating partnership	100.00%
Noncontrolling interest in the operating partnership (as a percent)	2.75%	2.94%

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Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Consolidated Statements of Comprehensive Income
Net income	$ 30,337	$ 35,157
Other comprehensive income:
Net unrealized loss on derivative instruments	(41)	(146)
Reclassification of net realized loss on derivatives designated as cashflow hedges into interest expense	468	460
SL Green's share of joint venture net unrealized gain on derivative instruments	221	58
Reclassification of SL Green's share of joint venture net realized loss on derivatives designated as cashflow hedges into equity in net income from unconsolidated joint ventures	1,240	2,743
Unrealized gain on marketable securities	1,641	770
Other comprehensive income	3,529	3,885
Comprehensive income	33,866	39,042
Net income attributable to noncontrolling interests	(4,021)	(2,356)
Other comprehensive (loss) income attributable to noncontrolling interests in the Operating Partnership	(59)	184
Comprehensive income attributable to SL Green common stockholders	$ 29,786	$ 36,870

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Investments in Unconsolidated Joint Ventures (Details 2) (USD $)							3 Months Ended																																	1 Months Ended											1 Months Ended			1 Months Ended	3 Months Ended												1 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 717 Fifth Avenue Mortgage loan	Dec. 31, 2012 717 Fifth Avenue Mortgage loan	Mar. 31, 2013 717 Fifth Avenue Mezzanine loans	Dec. 31, 2012 717 Fifth Avenue Mezzanine loans	Mar. 31, 2013 Joint venture	Mar. 31, 2012 Joint venture	Dec. 31, 2012 Joint venture	Mar. 31, 2013 Joint venture 21 East 66th Street	Dec. 31, 2012 Joint venture 21 East 66th Street	Mar. 31, 2013 Joint venture 100 Park Avenue	Dec. 31, 2012 Joint venture 100 Park Avenue	Mar. 31, 2013 Joint venture 7 Renaissance	Dec. 31, 2012 Joint venture 7 Renaissance	Mar. 31, 2013 Joint venture 11 West 34th Street	Dec. 31, 2012 Joint venture 11 West 34th Street	Mar. 31, 2013 Joint venture 280 Park Avenue	Dec. 31, 2012 Joint venture 280 Park Avenue	Mar. 31, 2013 Joint venture 21 West 34th Street	Dec. 31, 2012 Joint venture 21 West 34th Street	Mar. 31, 2013 Joint venture 1745 Broadway	Dec. 31, 2012 Joint venture 1745 Broadway	Mar. 31, 2013 Joint venture 1 and 2 Jericho Plaza	Dec. 31, 2012 Joint venture 1 and 2 Jericho Plaza	Mar. 31, 2013 Joint venture 800 Third Avenue	Dec. 31, 2012 Joint venture 800 Third Avenue	Mar. 31, 2013 Joint venture 388 and 390 Greenwich Street	Dec. 31, 2012 Joint venture 388 and 390 Greenwich Street	Mar. 31, 2013 Joint venture 388 and 390 Greenwich Street Mortgage loan	Mar. 31, 2013 Joint venture 388 and 390 Greenwich Street Mezzanine loans	Mar. 31, 2013 Joint venture 315 West 36th Street	Dec. 31, 2012 Joint venture 315 West 36th Street	Mar. 31, 2013 Joint venture 1604-1610 Broadway	Dec. 31, 2012 Joint venture 1604-1610 Broadway	Mar. 31, 2013 Joint venture 27-29 West 34th Street	Dec. 31, 2012 Joint venture 27-29 West 34th Street	Mar. 31, 2013 Joint venture 1552 Broadway	Dec. 31, 2012 Joint venture 1552 Broadway	Apr. 30, 2013 Joint venture 1552 Broadway Mortgage loan	Apr. 30, 2013 Joint venture 1552 Broadway Mezzanine loans	Apr. 30, 2013 Joint venture 1552 Broadway Mortgage and Mezzanine loans item	Mar. 31, 2013 Joint venture 16 Court Street	Dec. 31, 2012 Joint venture 16 Court Street	Mar. 31, 2013 Joint venture 180/182 Broadway and 63 Nassu Street	Dec. 31, 2012 Joint venture 180/182 Broadway and 63 Nassu Street	Mar. 31, 2013 Joint venture West Coast office portfolio	Dec. 31, 2012 Joint venture West Coast office portfolio	Mar. 31, 2013 Joint venture 747 Madison Avenue	Dec. 31, 2012 Joint venture 747 Madison Avenue	Aug. 31, 2012 Joint venture The Meadows	Mar. 31, 2013 Joint venture The Meadows	Dec. 31, 2012 Joint venture The Meadows	Apr. 30, 2011 Joint venture 3 Columbus Circle	Mar. 31, 2013 Joint venture 3 Columbus Circle	Dec. 31, 2012 Joint venture 3 Columbus Circle	Mar. 31, 2013 Joint venture Other loan payable	Dec. 31, 2012 Joint venture Other loan payable	Mar. 31, 2013 Joint venture 724 Fifth Avenue	Dec. 31, 2012 Joint venture 724 Fifth Avenue	Mar. 31, 2013 Joint venture 10 East 53rd Street	Dec. 31, 2012 Joint venture 10 East 53rd Street	Mar. 31, 2013 Joint venture 33 Beekman	Dec. 31, 2012 Joint venture 33 Beekman	Mar. 31, 2013 Joint venture 600 Lexington Avenue	Dec. 31, 2012 Joint venture 600 Lexington Avenue	Nov. 30, 2012 Joint venture 521 Fifth Avenue	Mar. 31, 2013 Joint venture 521 Fifth Avenue
First mortgage notes and other loan payable
Interest rate, fixed rate debt (as a percent)			4.45%		9.00%					5.63%		6.64%		10.00%		4.82%		6.57%		5.76%		5.68%		5.65%		6.00%		3.20%				3.04%		5.66%
Interest rate, floating rate debt (as a percent)										2.88%																		1.36%								2.20%		3.18%					2.70%		2.96%		3.94%		3.00%			7.75%			2.41%		1.10%		2.56%		2.71%		2.96%		2.31%			2.41%
Total fixed rate debt	$ 4,349,406,000	$ 3,457,769,000	$ 300,000,000	$ 300,000,000	$ 296,803,000	$ 294,509,000	$ 3,221,492,000		$ 3,219,885,000	$ 12,000,000	$ 12,000,000	$ 211,673,000	$ 212,287,000	$ 856,000	$ 856,000	$ 17,418,000	$ 17,491,000	$ 710,000,000	$ 710,000,000	$ 100,000,000	$ 100,000,000	$ 340,000,000	$ 340,000,000	$ 163,750,000	$ 163,750,000	$ 20,910,000	$ 20,910,000	$ 996,082,000	$ 996,082,000			$ 25,000,000	$ 25,000,000	$ 27,000,000	$ 27,000,000
Total floating rate debt	466,079,000	1,157,695,000					2,142,811,000		2,138,163,000	2,033,000	2,033,000																	142,297,000	142,297,000	72,000,000	70,300,000					53,238,000	53,375,000	119,322,000	113,869,000				84,731,000	84,916,000	76,862,000	71,524,000	742,112,000	745,025,000	33,125,000	33,125,000		57,000,000	57,000,000		245,275,000	247,253,000	30,000,000	30,000,000	120,000,000	120,000,000	125,000,000	125,000,000	18,362,000	18,362,000	123,454,000	124,384,000		170,000,000
Total mortgages and other loans payable	4,815,485,000	4,615,464,000					5,364,303,000		5,358,048,000																					576,000,000	562,400,000
Committed amount																																						125,000,000							90,000,000																		75,000,000
Ownership interest sold (as a percent)																																																																			49.50%
Mortgage on properties assumed																																																																			170,000,000
Maximum amount of loan recourse to entity																															200,000,000
Refinanced mortgage loan																																								170,000,000	30,000,000	200,000,000									60,000,000			260,000,000
Term of refinanced mortgage																																										3 years									3 years			5 years													7 years
Interest rate added to base rate (as a percent)																																								2.70%	9.35%													2.10%													2.20%
Interest rate, description																																								LIBOR	LIBOR													30-day LIBOR
Number of extension options																																										2
Extension option term																																										1 year
Possible increase in mortgage based on meeting certain performance hurdles																																																							40,000,000
Management, leasing, construction supervision and asset management services revenue							2,600,000	1,900,000
Gain (loss) on early extinguishment of debt																																																			10,800,000
Undrawn amount																																																				$ 3,000,000

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Deferred Costs (Tables)

3 Months Ended

Mar. 31, 2013

Deferred Costs

Schedule of components of deferred costs

Deferred costs at March 31, 2013 and December 31, 2012 consisted of the following (in thousands):

	March 31, 2013			December 31, 2012
Deferred financing	$	148,662		$	152,596
Deferred leasing	289,678			285,931
	438,340			438,527
Less accumulated amortization	(186,322		)	(177,382		)
Deferred costs, net	$	252,018		$	261,145

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Fair Value of Financial Instruments (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Fair Value of Financial Instruments
Fixed rate debt	$ 5,800,000,000
Floating rate debt	900,000,000
Debt and preferred equity investments	1,443,834,000	1,357,203,000
Interest Rate Cap expiring in June, 2016
Fair Value of Financial Instruments
Notional Value	30,000,000
Level 3
Fair Value of Financial Instruments
Fixed rate debt	6,300,000,000
Floating rate debt	900,000,000
Estimated fair value of debt and preferred equity investments, low end of range	1,400,000,000
Estimated fair value of debt and preferred equity investments, high end of range	1,500,000,000
Debt and preferred equity investments	$ 1,400,000,000

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Noncontrolling Interests in Operating Partnership

3 Months Ended

Mar. 31, 2013

Noncontrolling Interests in Operating Partnership

Noncontrolling Interests in Operating Partnership

13.  Noncontrolling Interests in Operating Partnership

The noncontrolling interest ownership in the Operating Partnership represents interests held by entities other than the Company.  As of March 31, 2013 and December 31, 2012, the noncontrolling interest unit holders owned 2.75% (2,585,675 units) and 2.94% (2,759,758 units) of the Operating Partnership, respectively.  At March 31, 2013, there were also 16,667 performance -based LTIP units outstanding. At March 31, 2013, 2,602,342 shares of our common stock were reserved for issuance upon redemption of units of limited partnership interest of the Operating Partnership.

We record the carrying value of the noncontrolling interests in the Operating Partnership at fair market value based on the closing stock price of our common stock at the end of the reporting period. The carrying value of such noncontrolling interests will not be adjusted below its cost basis.

In January 2012, as part of an acquisition, the Operating Partnership issued 1,902,000 4.5% Series G preferred units of limited partnership interest, or the Series G preferred units, with a liquidation preference of $25.00 per unit. The Series G preferred unitholders receive annual dividends of $1.125 per unit paid on a quarterly basis and dividends are cumulative, subject to certain provisions. The Series G preferred units are convertible into a number of common units of limited partnership interest in the Operating Partnership equal to (i) the liquidation preference plus accumulated and unpaid distributions on the conversion date divided by (ii) $88.50.  The common units of limited partnership interest in the Operating Partnership may be redeemed in exchange for our common stock on a 1-to-1 basis.  The Series G preferred units also provide the holder with the right to require the Operating Partnership to repurchase the Series G preferred units for cash before January 31, 2022.

In November 2011, as part of an acquisition, the Operating Partnership issued 80,000 6.0% Series H preferred units, or the Series H preferred units, with a mandatory liquidation preference of $25.00 per unit. The Series H preferred unitholders receive annual dividends of $1.50 per unit paid on a quarterly basis and dividends are cumulative, subject to certain provisions. The Series H preferred units can be redeemed at any time at par for cash at the Operating Partnership’s option or the option of the unitholder.

We have included a rollforward analysis of the activity relating to the noncontrolling interests in the Operating Partnership below (in thousands):

	Three Months Ended March 31,2013			Year Ended December 31, 2012
Balance at beginning of period	$	212,907		$	195,030
Distributions	(853		)	(3,296		)
Issuance of common units	777			42,239
Redemption of common units	(17,287		)	(87,513		)
Net income	555			5,597
Accumulated other comprehensive income (loss) allocation	59			(388		)
Fair value adjustment	24,016			61,238
Balance at end of period	$	220,174		$	212,907

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Mortgages and Other Loans Payable (Tables)

3 Months Ended

Mar. 31, 2013

Mortgages and Other Loans Payable

Schedule of first mortgages and other loans payable collateralized by the respective properties and assignment of leases

The first mortgages and other loans payable collateralized by the respective properties and assignment of leases at March 31, 2013 and December 31, 2012, respectively, were as follows (amounts in thousands):

Property	Maturity Date	Interest Rate(1)		March 31, 2013		December 31, 2012
220 East 42nd Street	11/2013	5.25	%	$	184,698	$	185,906
609 Partners, LLC(2)	07/2014	5.00	%	23		23
125 Park Avenue	10/2014	5.75	%	146,250		146,250
711 Third Avenue	06/2015	4.99	%	120,000		120,000
625 Madison Avenue	11/2015	7.22	%	124,481		125,603
500 West Putnam	01/2016	5.52	%	23,930		24,060
420 Lexington Avenue	09/2016	7.50	%	184,612		184,992
Landmark Square	12/2016	4.00	%	84,097		84,486
485 Lexington Avenue	02/2017	5.61	%	450,000		450,000
120 West 45th Street	02/2017	6.12	%	170,000		170,000
300 Main Street	02/2017	5.75	%	11,500		11,500
762 Madison Avenue	02/2017	3.75	%	8,331		8,371
2 Herald Square	04/2017	5.36	%	191,250		191,250
885 Third Avenue	07/2017	6.26	%	267,650		267,650
Other loan payable(3)	09/2019	8.00	%	50,000		50,000
One Madison Avenue	05/2020	5.91	%	602,584		607,678
100 Church	07/2022	4.68	%	230,000		230,000
919 Third Avenue(4)	06/2023	5.12	%	500,000		500,000
400 East 57th Street	02/2024	4.13	%	70,000		70,000
400 East 58th Street	02/2024	4.13	%	30,000		30,000
1515 Broadway(5)	03/2025	3.93	%	900,000		—
Total fixed rate debt				$	4,349,406	$	3,457,769
Master repurchase(6)	09/2013	3.21	%	$	174,966	$	116,667
180 Maiden Lane(7)	11/2016	2.41	%	269,113		271,215
248-252 Bedford Avenue	03/2018	2.46	%	22,000		—
1515 Broadway(5)	—	—		—		769,813
Total floating rate debt				$	466,079	$	1,157,695
Total mortgages and other loans payable				$	4,815,485	$	4,615,464

(1) Effective weighted average interest rate for the three months ended March 31, 2013, taking into account interest rate hedges in effect during the period.

(2) As part of an acquisition, the Operating Partnership issued 63.9 million units of our 5.0% Series E preferred units, or the Series E units, with a liquidation preference of $1.00 per unit. As of March 31, 2013, 63.8 million Series E units had been redeemed.

(3) This loan is secured by a portion of a preferred equity investment.

(4) We own a 51% controlling interest in the joint venture that is the borrower on this loan. This loan is non-recourse to us.

(5) We have consolidated this investment since we acquired the remaining interest in this joint venture in April 2011. In April 2012, we refinanced the $447.2 million mortgage that was due in December 2014 with a $775.0 million seven-year mortgage, which carried interest at the rate equal to the greater of (a) 285 basis points over 90-day LIBOR or (b) 3.6% per annum. In February 2013, we refinanced the $775.0 million mortgage with a new $900.0 million 12-year mortgage, which carries a rate of interest of 3.93% per annum and realized a net loss on early extinguishment of debt of approximately $18.5 million, including a prepayment penalty of $7.6 million.

(6) In September 2012, we entered into a Master Repurchase Agreement, or MRA, with a financial institution, with a maximum facility capacity of $175.0 million, under which we agreed to sell certain debt investments in exchange for cash with a simultaneous agreement to repurchase the same debt investments at a certain date or on demand. The MRA’s interest rate is based on 1-month LIBOR plus 300 basis points. The MRA matures in September 2013, and has a one-year extension option.

(7) In connection with this consolidated joint venture obligation, we executed a master lease agreement. Our partner has executed a contribution agreement to reflect its pro rata share of the obligation under the master lease.

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Financial Instruments: Derivatives and Hedging

3 Months Ended

Mar. 31, 2013

Financial Instruments: Derivatives and Hedging

Financial Instruments: Derivatives and Hedging

15.  Financial Instruments: Derivatives and Hedging

We recognize all derivatives on the balance sheet at fair value.  Derivatives that are not hedges are adjusted to fair value through earnings.  If a derivative is a hedge, depending on the nature of the hedge, changes in the fair value of the derivative will either be offset against the change in fair value of the hedged asset, liability, or firm commitment through earnings, or recognized in other comprehensive income until the hedged item is recognized in earnings.  The ineffective portion of a derivative’s change in fair value will be immediately recognized in earnings.  Reported net income and equity may increase or decrease prospectively, depending on future levels of interest rates and other variables affecting the fair values of derivative instruments and hedged items, but will have no effect on cash flows.

The following table summarizes the notional and fair value of our derivative financial instruments at March 31, 2013 based on Level 2 information pursuant to ASC 810-10.  The notional value is an indication of the extent of our involvement in these instruments at that time, but does not represent exposure to credit, interest rate or market risks (amounts in thousands).

	Notional Value		Strike Rate		Effective Date	Expiration Date	Fair Value
Interest Rate Cap	$	775,000	3.650	%	04/2012	04/2013	$	—
Interest Rate Cap	$	271,912	6.000	%	11/2012	11/2013	$	—
Interest Rate Swap	$	30,000	2.295	%	07/2010	06/2016	$	(1,761	)
Interest Rate Swap	$	8,500	0.740	%	02/2012	02/2015	$	(70	)

Certain interest rate caps are not designated as a hedging instrument and changes in the value are marked to market through earnings.

On March 31, 2013, the derivative instruments were reported as an obligation at their fair value of approximately $1.8 million.  This is included in other liabilities on the consolidated balance sheet at March 31, 2013.  Included in accumulated other comprehensive loss at March 31, 2013 was approximately $16.4 million from the settlement of hedges, which are being amortized over the remaining term of the related mortgage obligation, and active hedges and our share of joint venture accumulated other comprehensive loss of approximately $14.7 million.  Currently, all of our designated derivative instruments are effective hedging instruments.

In March 2010, we terminated forward swaps which resulted in a net loss of approximately $19.5 million from the settlement of the hedges. This loss will be amortized over the 10-year term of the related financing.  This loss is included in the $16.4 million balance noted above. The balance in accumulated other comprehensive loss relating to derivatives, including our share of joint venture accumulated other comprehensive loss, was $31.1 million and $32.9 million at March 31, 2013 and December 31, 2012, respectively.

Over time, the realized and unrealized gains and losses held in accumulated other comprehensive loss will be reclassified into earnings as an adjustment to interest expense in the same periods in which the hedged interest payments affect earnings.  We estimate that approximately $2.1 million of the current balance held in accumulated other comprehensive loss will be reclassified into interest expense and $4.9 million of the portion related to our share of joint venture accumulated other comprehensive loss will be reclassified into equity in net income (loss) from unconsolidated joint ventures within the next 12 months.

We are hedging exposure to variability in future cash flows for forecasted transactions in addition to anticipated future interest payments on existing debt.

The following table presents the effect of our derivative financial instruments and our share of our joint venture’s derivative financial instruments on the consolidated statements of income as of March 31, 2013 and 2012, respectively (in thousands):

		Amount of (Loss) or Gain Recognized in Other Comprehensive Loss (Effective Portion) For the Three Months Ended					Amount of (Loss) or Gain Reclassified from Accumulated Other Comprehensive Loss into Interest Expense/ Equity in net income of unconsolidated joint ventures (Effective Portion) For the Three Months Ended						Amount of (Loss) or Gain Recognized in Interest Expense/Equity in Net Income (Loss) of Unconsolidated Joint Ventures (Ineffective Portion) For the Three Months Ended
Designation\Cash Flow	Derivative	March 31, 2013		March 31, 2012			March 31, 2013			March 31, 2012			March 31, 2013			March 31, 2012
Qualifying	Interest Rate Swaps/Caps	$	180	$	(88	)	$	(1,708	)	$	(3,203	)	$	—		$	—
Non-qualifying	Interest Rate Caps	—		—			—			—			$	(15	)	$	(711	)

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Stockholders' Equity (Details 2) (USD $)	3 Months Ended					3 Months Ended		1 Months Ended	3 Months Ended			0 Months Ended	1 Months Ended	3 Months Ended	1 Months Ended	3 Months Ended				3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Mar. 31, 2013 Second Amended and Restated 2005 Stock Option and Incentive Plan	Mar. 31, 2013 Full-value awards fungibleunits	Mar. 31, 2013 Stock options, stock appreciation rights and other awards fungibleunits	Mar. 31, 2013 All other awards fungibleunits	Sep. 30, 2012 Series C Preferred Stock	Mar. 31, 2013 Series C Preferred Stock	Dec. 31, 2012 Series C Preferred Stock	Aug. 31, 2012 Series C Preferred Stock	Jul. 14, 2012 Series D Preferred Stock	Jul. 31, 2012 Series D Preferred Stock	Mar. 31, 2013 Series D Preferred Stock	Aug. 31, 2012 Series I Preferred Stock	Mar. 31, 2013 Series I Preferred Stock	Dec. 31, 2012 Series I Preferred Stock	Mar. 31, 2013 At-the-market equity offering programs	Jul. 31, 2011 At-the-market equity offering programs	Mar. 31, 2013 Dividend Reinvestment and Stock Purchase Plan (DRIP)	Mar. 31, 2012 Dividend Reinvestment and Stock Purchase Plan (DRIP)
Stockholders' Equity
Aggregate value of the shares of common stock to be sold																			$ 250,000,000
Aggregate value of shares available for issuance																		45,400,000
Perpetual Preferred stock, shares outstanding									7,700,000	7,700,000	11,700,000					9,200,000	9,200,000
Perpetual Preferred Units (as a percent)									7.625%				7.875%			6.50%
Perpetual Preferred stock, liquidation preference (in dollars per share)									$ 25.00	$ 25.00						$ 25.00	$ 25.00
Perpetual Preferred stock, annual dividends per share (in dollars per share)								$ 0.3707	$ 1.90625			$ 0.4922		$ 1.96875		$ 1.625
Net proceeds from sale of common stock/preferred stock	(57,000)	122,953,000													221,900,000					13,000	99,500,000
Preferred stock redeemed (in shares)													4,000,000
Preferred stock Redemption (in dollars per share)													$ 25.00
Preferred stock redemption costs								$ 6,300,000					$ 3,700,000
Common stock, shares authorized	160,000,000		160,000,000																		3,500,000
Common stock, shares issued																				170	1,300,000
Maximum fungible units that may be granted (in shares)				10,730,000
Fungible units available for issuance (in shares)				0
Fungible units per share					1.65	0.79	1.0
Award expiration period						5 years	10 years
Shares that may be issued if equal to fungible units				10,730,000
Preferred stock, par value (in dollars per share)									$ 0.01	$ 0.01						$ 0.01	$ 0.01

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Consolidated Statement of Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-In-Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Noncontrolling Interests	Series C Preferred Stock Preferred Stock	Series I Preferred Stock Preferred Stock
Balance at Dec. 31, 2012	$ 6,907,103	$ 950	$ 4,667,900	$ (322,858)	$ (29,587)	$ 1,701,092	$ 487,301	$ 180,340	$ 221,965
Balance (in shares) at Dec. 31, 2012		91,250,000
Increase (Decrease) in Stockholders' Equity
Net income	29,217					26,316	2,901
Other comprehensive income	3,470				3,470
Preferred dividends	(7,407)					(7,407)
DRIP proceeds	13		13
Conversion of units of the Operating Partnership to common stock	17,287	2	17,285
Conversion of units of the Operating Partnership to common stock (in shares)		224,000
Reallocation of noncontrolling interest in the Operating Partnership	(24,016)					(24,016)
Amortization of deferred compensation plan	7,822		7,822
Amortization of deferred compensation plan (in shares)		2,000
Preferred stock issuance costs	(33)								(33)
Common stock issuance costs	(24)		(24)
Proceeds from stock options exercised	4,533	1	4,532
Proceeds from stock options exercised (in shares)		79,000
Contributions to consolidated joint venture	3,110						3,110
Cash distributions to noncontrolling interests	(4,879)						(4,879)
Cash distribution declared ($0.33 per common share, none of which represented a return of capital for federal income tax purposes)	(30,517)					(30,517)
Balance at Mar. 31, 2013	$ 6,905,679	$ 953	$ 4,697,528	$ (322,858)	$ (26,117)	$ 1,665,468	$ 488,433	$ 180,340	$ 221,932
Balance (in shares) at Mar. 31, 2013	91,555,082	91,555,000

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Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Series G Preferred Units	Dec. 31, 2012 Series G Preferred Units	Mar. 31, 2013 Series H Preferred Units	Dec. 31, 2012 Series H Preferred Units	Mar. 31, 2013 Series C Preferred Stock	Dec. 31, 2012 Series C Preferred Stock	Mar. 31, 2013 Series I Preferred Stock	Dec. 31, 2012 Series I Preferred Stock
Tenant and other receivables, allowance (in dollars)	$ 20,947	$ 21,652
Deferred rents receivable, allowance (in dollars)	28,475	29,580
Debt and preferred equity investments, discount (in dollars)	11,251	13,572
Debt and preferred equity investments, allowance (in dollars)	$ 7,000	$ 7,000
Preferred Units, liquidation preference (in dollars per share)			$ 25.00	$ 25.00	$ 25.00	$ 25.00
Preferred Units, shares issued			1,902,000	1,902,000	80,000	80,000
Preferred Units, shares outstanding			1,902,000	1,902,000	80,000	80,000
Preferred stock, par value (in dollars per share)							$ 0.01	$ 0.01	$ 0.01	$ 0.01
Preferred stock, liquidation preference (in dollars per share)							$ 25.00	$ 25.00	$ 25.00	$ 25.00
Preferred stock, shares issued							7,700,000	7,700,000	9,200,000	9,200,000
Preferred stock, shares outstanding							7,700,000	7,700,000	9,200,000	9,200,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	160,000,000	160,000,000
Common stock, shares issued	95,201,000	94,896,000
Common stock, shares outstanding	95,201,000	94,896,000
Treasury stock, shares	3,646,000	3,646,000

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Mortgages and Other Loans Payable

3 Months Ended

Mar. 31, 2013

Mortgages and Other Loans Payable

Mortgages and Other Loans Payable

8.  Mortgages and Other Loans Payable

The first mortgages and other loans payable collateralized by the respective properties and assignment of leases at March 31, 2013 and December 31, 2012, respectively, were as follows (amounts in thousands):

Property	Maturity Date	Interest Rate(1)		March 31, 2013		December 31, 2012
220 East 42nd Street	11/2013	5.25	%	$	184,698	$	185,906
609 Partners, LLC(2)	07/2014	5.00	%	23		23
125 Park Avenue	10/2014	5.75	%	146,250		146,250
711 Third Avenue	06/2015	4.99	%	120,000		120,000
625 Madison Avenue	11/2015	7.22	%	124,481		125,603
500 West Putnam	01/2016	5.52	%	23,930		24,060
420 Lexington Avenue	09/2016	7.50	%	184,612		184,992
Landmark Square	12/2016	4.00	%	84,097		84,486
485 Lexington Avenue	02/2017	5.61	%	450,000		450,000
120 West 45th Street	02/2017	6.12	%	170,000		170,000
300 Main Street	02/2017	5.75	%	11,500		11,500
762 Madison Avenue	02/2017	3.75	%	8,331		8,371
2 Herald Square	04/2017	5.36	%	191,250		191,250
885 Third Avenue	07/2017	6.26	%	267,650		267,650
Other loan payable(3)	09/2019	8.00	%	50,000		50,000
One Madison Avenue	05/2020	5.91	%	602,584		607,678
100 Church	07/2022	4.68	%	230,000		230,000
919 Third Avenue(4)	06/2023	5.12	%	500,000		500,000
400 East 57th Street	02/2024	4.13	%	70,000		70,000
400 East 58th Street	02/2024	4.13	%	30,000		30,000
1515 Broadway(5)	03/2025	3.93	%	900,000		—
Total fixed rate debt				$	4,349,406	$	3,457,769
Master repurchase(6)	09/2013	3.21	%	$	174,966	$	116,667
180 Maiden Lane(7)	11/2016	2.41	%	269,113		271,215
248-252 Bedford Avenue	03/2018	2.46	%	22,000		—
1515 Broadway(5)	—	—		—		769,813
Total floating rate debt				$	466,079	$	1,157,695
Total mortgages and other loans payable				$	4,815,485	$	4,615,464

(1) Effective weighted average interest rate for the three months ended March 31, 2013, taking into account interest rate hedges in effect during the period.

(2) As part of an acquisition, the Operating Partnership issued 63.9 million units of our 5.0% Series E preferred units, or the Series E units, with a liquidation preference of $1.00 per unit. As of March 31, 2013, 63.8 million Series E units had been redeemed.

(3) This loan is secured by a portion of a preferred equity investment.

(4) We own a 51% controlling interest in the joint venture that is the borrower on this loan. This loan is non-recourse to us.

(5) We have consolidated this investment since we acquired the remaining interest in this joint venture in April 2011. In April 2012, we refinanced the $447.2 million mortgage that was due in December 2014 with a $775.0 million seven-year mortgage, which carried interest at the rate equal to the greater of (a) 285 basis points over 90-day LIBOR or (b) 3.6% per annum. In February 2013, we refinanced the $775.0 million mortgage with a new $900.0 million 12-year mortgage, which carries a rate of interest of 3.93% per annum and realized a net loss on early extinguishment of debt of approximately $18.5 million, including a prepayment penalty of $7.6 million.

(6) In September 2012, we entered into a Master Repurchase Agreement, or MRA, with a financial institution, with a maximum facility capacity of $175.0 million, under which we agreed to sell certain debt investments in exchange for cash with a simultaneous agreement to repurchase the same debt investments at a certain date or on demand. The MRA’s interest rate is based on 1-month LIBOR plus 300 basis points. The MRA matures in September 2013, and has a one-year extension option.

(7) In connection with this consolidated joint venture obligation, we executed a master lease agreement. Our partner has executed a contribution agreement to reflect its pro rata share of the obligation under the master lease.

At March 31, 2013 and December 31, 2012, the gross book value of the properties and debt and preferred equity investments collateralizing the mortgages and other loans payable was approximately $7.8 billion and $7.6 billion, respectively.

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Document and Entity Information	3 Months Ended
	Mar. 31, 2013	Apr. 30, 2013
Document and Entity Information
Entity Registrant Name	SL GREEN REALTY CORP
Entity Central Index Key	0001040971
Document Type	10-Q
Document Period End Date	Mar. 31, 2013
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		91,597,800
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1

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Corporate Indebtedness

3 Months Ended

Mar. 31, 2013

Corporate Indebtedness

Corporate Indebtedness

9.  Corporate Indebtedness

2012 Credit Facility

In November 2012, we entered into a $1.6 billion credit facility, or the 2012 credit facility, which refinanced, extended and upsized the previous 2011 revolving credit facility. The 2012 credit facility consists of a $1.2 billion revolving credit facility, or the revolving credit facility, and a $400.0 million term loan, or the term loan facility.  The revolving credit facility matures in March 2017 and includes two six-month extension options, subject to certain conditions and the payment of an extension fee of 10 basis points for each such extension. We also have an option, subject to customary conditions, without the consent of existing lenders, to increase the capacity under the revolving credit facility to $1.5 billion at any time prior to the maturity date for the revolving credit facility, by obtaining additional commitments from our current lenders and other financial institutions. The term loan facility matures on March 30, 2018.

The 2012 credit facility bears interest at a spread over LIBOR ranging from (i) 100 basis points to 175 basis points for loans under the revolving credit facility and (ii) 115 basis points to 200 basis points for loans under the term loan facility, in each case based on the credit rating assigned to the senior unsecured long term indebtedness of ROP. At March 31, 2013, the applicable spread was 145 basis points for revolving credit facility and 165 basis points for the term loan facility. We are required to pay quarterly in arrears a 15 to 35 basis point fee on the unused balance of the commitments under the revolving credit facility. As of March 31, 2013, the facility fee was 30 basis points. At March 31, 2013, we had approximately $91.9 million of outstanding letters of credit, $30.0 million borrowings under the revolving credit facility and $400.0 million outstanding under the term loan facility, with undrawn capacity of $1.2 billion under the 2012 credit facility.

We, ROP and the Operating Partnership are all borrowers jointly and severally obligated under the 2012 credit facility. No other subsidiary of ours is an obligor under the 2012 credit facility.

The 2012 credit facility includes certain restrictions and covenants (see Restrictive Covenants below).

2011 Revolving Credit Facility

The 2012 credit facility replaced our $1.5 billion revolving credit facility, or the 2011 revolving credit facility, which was terminated concurrently with the entering into the 2012 credit facility. The 2011 revolving credit facility bore interest at a spread over LIBOR ranging from 100 basis points to 185 basis points, based on the credit rating assigned to the senior unsecured long term indebtedness of ROP, and required us to pay quarterly in arrears a 17.5 to 45 basis point facility fee on the total commitments under the 2011 revolving credit facility. The 2011 revolving credit facility included certain restrictions and covenants and, as of the time of the termination of the 2011 revolving credit facility and as of November 2012, we were in compliance with all such restrictions and covenants.

Senior Unsecured Notes

The following table sets forth our senior unsecured notes and other related disclosures as of March 31, 2013 and December 31, 2012, respectively by scheduled maturity date (amounts in thousands):

Issuance	March 31, 2013 Unpaid Principal Balance		March 31, 2013 Accreted Balance		December 31, 2012 Accreted Balance		Coupon Rate(1)		Effective Rate		Term (in Years)	Maturity
August 13, 2004(2)(3)	$	75,898	$	75,898	$	75,898	5.88	%	5.88	%	10	August 15, 2014
March 31, 2006(2)(3)	255,308		255,175		255,165		6.00	%	6.02	%	10	March 31, 2016
October 12, 2010(4)	345,000		289,919		287,373		3.00	%	7.13	%	7	October 15, 2017
August 5, 2011(5)	250,000		249,636		249,620		5.00	%	5.03	%	7	August 15, 2018
March 16, 2010(5)	250,000		250,000		250,000		7.75	%	7.75	%	10	March 15, 2020
November 15, 2012(5)	200,000		200,000		200,000		4.50	%	4.50	%	10	December 1, 2022
June 27, 2005(2)(6)	7		7		7		4.00	%	4.00	%	20	June 15, 2025
March 26, 2007(7)	11,953		11,953		16,893		3.00	%	3.00	%	20	March 30, 2027
	$	1,388,166	$	1,332,588	$	1,334,956

(1) Interest on the senior unsecured notes is payable semi-annually with principal and unpaid interest due on the scheduled maturity dates.

(2) Issued by ROP.

(3) On December 27, 2012, we repurchased $42.4 million of aggregate principal amount of these notes, consisting of $22.7 million of the 5.875% Notes and $19.7 million of the 6.0% Notes, for a total consideration of $46.4 million and realized a net loss on early extinguishment of debt of approximately $3.8 million.

(4) In October 2010, the Operating Partnership issued $345.0 million of these exchangeable notes.  Interest on these notes is payable semi-annually on April 15 and October 15. The notes had an initial exchange rate representing an exchange price that was set at a 30.0% premium to the last reported sale price of our common stock on October 6, 2010, or $85.81. The initial exchange rate is subject to adjustment under certain circumstances. The current exchange rate is 11.6800 shares of our common stock per $1,000 principal amount of these notes. The notes are senior unsecured obligations of the Operating Partnership and are exchangeable upon the occurrence of specified events and during the period beginning on the twenty-second scheduled trading day prior to the maturity date and ending on the second business day prior to the maturity date, into cash or a combination of cash and shares of our common stock, if any, at our option. The notes are guaranteed by ROP. On the issuance date, $78.3 million of the debt balance was recorded in equity. As of March 31, 2013, approximately $55.1 million remained to be amortized into the debt balance.

(5) Issued by us, the Operating Partnership and ROP, as co-obligors.

(6) Exchangeable senior debentures which are currently callable at par. In addition, the debentures can be put to ROP, at the option of the holder at par plus accrued and unpaid interest, on June 15, 2015 and 2020 and upon the occurrence of certain change of control transactions. As a result of the acquisition of all outstanding shares of common stock of Reckson, or the Reckson Merger, the adjusted exchange rate for the debentures is 7.7461 shares of our common stock per $1,000 of principal amount of debentures and the adjusted reference dividend for the debentures is $1.3491.  During the year ended December 31, 2012, we repurchased $650,000 of these bonds at par.

(7) In March 2007, the Operating Partnership issued $750.0 million of these exchangeable notes.  Interest on these notes is payable semi-annually on March 30 and September 30. The notes have an initial exchange rate representing an exchange price that was set at a 25.0% premium to the last reported sale price of our common stock on March 20, 2007, or $173.30. The initial exchange rate is subject to adjustment under certain circumstances. The notes are senior unsecured obligations of the Operating Partnership and are exchangeable upon the occurrence of specified events and during the period beginning on the twenty-second scheduled trading day prior to the maturity date and ending on the second business day prior to the maturity date, into cash or a combination of cash and shares of our common stock, if any, at our option. The notes are currently redeemable at the Operating Partnership’s option. The Operating Partnership may be required to repurchase the notes on March 30, 2017 and 2022, and upon the occurrence of certain designated events. On March 30, 2012, we repurchased $102.2 million of aggregate principal amount of the exchangeable notes pursuant to a mandatory offer to repurchase the notes. On the issuance date, $66.6 million was recorded in equity and was fully amortized into the debt balance as of March 31, 2012. On January 2, 2013, we repurchased $4.9 million of aggregate principal amount of exchangeable notes at 99.6% of the principal amount.

Restrictive Covenants

The terms of the 2012 credit facility and certain of our senior unsecured notes include certain restrictions and covenants which may limit, among other things, our ability to pay dividends, make certain types of investments, incur additional indebtedness, incur liens and enter into negative pledge agreements and dispose of assets, and which require compliance with financial ratios relating to the minimum amount of tangible net worth, a maximum ratio of total indebtedness to total asset value, a minimum ratio of EBITDA to fixed charges, a maximum ratio of secured indebtedness to total asset value and a maximum ratio of unsecured indebtedness to unencumbered asset value.  The dividend restriction referred to above provides that we will not during any time when a default is continuing, make distributions with respect to common stock or other equity interests, except to enable us to continue to qualify as a REIT for Federal income tax purposes. As of March 31, 2013 and December 31, 2012, we were in compliance with all such covenants.

Junior Subordinate Deferrable Interest Debentures

In June 2005, we issued $100.0 million in unsecured floating rate trust preferred securities through a newly formed trust, SL Green Capital Trust I, or the Trust, which is a wholly-owned subsidiary of the Operating Partnership. The proceeds from the security offering were transferred to the Operating Partnership as a loan. The securities mature in 2035 and bear interest at a fixed rate of 5.61% for the first ten years ending July 2015.  Interest payments may be deferred for a period of up to eight consecutive quarters if the Operating Partnership exercises its right to defer such payments.  The trust preferred securities are redeemable, at the option of the Operating Partnership, in whole or in part, with no prepayment premium.  We do not consolidate the Trust even though it is a variable interest entity as we are not the primary beneficiary.  Because the Trust is not consolidated, we have recorded the debt on our balance sheet and the related payments are classified as interest expense.

Principal Maturities

Combined aggregate principal maturities of mortgages and other loans payable, revolving credit facility, trust preferred securities, term loan and senior unsecured notes and our share of joint venture debt as of March 31, 2013, including as-of-right extension options, were as follows (in thousands):

	Scheduled Amortization		Principal Repayments		Revolving Credit Facility		Trust Preferred Securities		Term Loan and Senior Unsecured Notes		Total		Joint Venture Debt
2013	$	30,878	$	357,308	$	—	$	—	$	—	$	388,186	$	185,130
2014	43,668		146,273		—		—		75,898		265,839		364,191
2015	46,325		229,537		—		—		7		275,869		36,886
2016	56,839		516,667		—		—		255,175		828,681		527,682
2017	60,897		1,098,064		—		—		301,872		1,460,833		933,612
Thereafter	367,307		1,861,722		30,000		100,000		1,099,636		3,458,665		151,642
	$	605,914	$	4,209,571	$	30,000	$	100,000	$	1,732,588	$	6,678,073	$	2,199,143

Consolidated interest expense, excluding capitalized interest, was comprised of the following (in thousands):

	Three Months Ended March 31,
	2013			2012
Interest expense	$	81,789		$	80,547
Interest income	(453		)	(410		)
Interest expense, net	$	81,336		$	80,137
Interest capitalized	$	3,062		$	2,536

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Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues
Rental revenue, net	$ 270,489	$ 260,762
Escalation and reimbursement	41,000	41,656
Investment and preferred equity income	52,708	26,338
Other income	5,774	10,377
Total revenues	369,971	339,133
Expenses
Operating expenses, including approximately $4,150 (2013) and $3,471 (2012) paid to related parties	73,633	73,254
Real estate taxes	53,688	51,480
Ground rent	10,990	8,806
Interest expense, net of interest income	81,336	80,137
Amortization of deferred financing costs	4,463	3,580
Depreciation and amortization	80,683	77,069
Loan loss and other investment reserves, net of recoveries		564
Transaction related costs	1,358	1,056
Marketing, general and administrative	21,067	20,196
Total expenses	327,218	316,142
Income from continuing operations before equity in net income (loss) from unconsolidated joint ventures, equity in net gain on sale of interest in unconsolidated joint venture/real estate, noncontrolling interests and discontinued operations	42,753	22,991
Equity in net income (loss) from unconsolidated joint ventures	5,073	(1,560)
Equity in net gain on sale of interest in unconsolidated joint venture/real estate		7,260
Loss on sale of investment in marketable securities	(57)
Loss on early extinguishment of debt	(18,513)
Income from continuing operations	29,256	28,691
Net loss from discontinued operations	(32)	(161)
Gain on sale of discontinued operations	1,113	6,627
Net income	30,337	35,157
Net income attributable to noncontrolling interests:
Noncontrolling interests in the Operating Partnership	(555)	(888)
Noncontrolling interests in other partnerships	(2,901)	(1,071)
Preferred unit distributions	(565)	(397)
Net income attributable to SL Green	26,316	32,801
Perpetual preferred stock dividends	(7,407)	(7,545)
Net income attributable to SL Green common stockholders	18,909	25,256
Amounts attributable to SL Green common stockholders:
Income from continuing operations	17,859	11,997
Equity in net gain on sale of interest in unconsolidated joint venture/real estate		7,014
Net loss from discontinued operations	(31)	(157)
Gain on sale of discontinued operations	1,081	6,402
Net income attributable to SL Green common stockholders	$ 18,909	$ 25,256
Basic earnings per share:
Net income from continuing operations before discontinued operations (in dollars per share)	$ 0.20	$ 0.14
Equity in net gain on sale of interest in unconsolidated joint venture/real estate (in dollars per share)		$ 0.08
Gain on sale of discontinued operations (in dollars per share)	$ 0.01	$ 0.07
Net income attributable to SL Green common stockholders (in dollars per share)	$ 0.21	$ 0.29
Diluted earnings per share:
Net income from continuing operations before discontinued operations (in dollars per share)	$ 0.20	$ 0.14
Equity in net gain on sale of interest in unconsolidated joint venture/real estate (in dollars per share)		$ 0.08
Gain on sale of discontinued operations (in dollars per share)	$ 0.01	$ 0.07
Net income attributable to SL Green common stockholders (in dollars per share)	$ 0.21	$ 0.29
Dividends per share (in dollars per share)	$ 0.33	$ 0.25
Basic weighted average common shares outstanding (in shares)	91,399	86,744
Diluted weighted average common shares and common share equivalents outstanding (in shares)	94,302	90,173

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Property Acquisitions

3 Months Ended

Mar. 31, 2013

Property Acquisitions

Property Acquisitions

3.  Property Acquisitions

2013 Acquisitions

In March 2013, we, along with Magnum Real Estate Group, acquired 84 residential apartment units, consisting of 72 apartment units and 12 townhouses, located at 248-252 Bedford Avenue, Williamsburg, Brooklyn for $54.9 million. Simultaneous with the closing, the joint venture closed on a five-year $22.0 million mortgage loan which carries a floating rate of interest of 225 basis points over LIBOR. The property sits on top of a commercial property already owned by us. We hold a 90% controlling interest in this joint venture. We are currently in the process of analyzing the fair value of the investment. Therefore, the purchase price allocation is preliminary and subject to change.

2012 Acquisitions

In December 2012, we acquired a 68,000 square foot (unaudited) mixed use retail, office and residential building located at 131-137 Spring Street for $122.3 million. We are currently in the process of analyzing the fair value of the in-place leases; and consequently, no value has yet been assigned to the leases. Therefore, the purchase price allocation is preliminary and subject to change.

In December 2012, we acquired the aggregate 42,000 square foot (unaudited) vacant retail buildings located at 985-987 Third Avenue for $18.0 million.

In October 2012, we, along with Stonehenge Partners, acquired a 99-year leasehold position covering an 82,250 square foot (unaudited), 96 unit residential building located at 1080 Amsterdam Avenue which we plan to redevelop into luxury residential units.

In September 2012, we acquired the aggregate 267,000 square foot (unaudited) office buildings located at 635 and 641 Sixth Avenue for $173.0 million.

In June 2012, we acquired a 215,000 square foot (unaudited) office building located at 304 Park Avenue South for $135.0 million. The property was acquired with approximately $102.0 million in cash and $33.0 million in units of limited partnership interest of the Operating Partnership.

In October 2011, we formed a joint venture with Stonehenge Partners and, in January 2012, we acquired five retail and two multifamily properties in Manhattan for $193.1 million, inclusive of the issuance of $47.6 million aggregate liquidation preference of 4.5% Series G preferred units of limited partnership interest of the Operating Partnership. Simultaneous with the closing, we financed the multifamily component, which encompasses 385 units and 488,000 square feet (unaudited), with an aggregate 12-year $100.0 million fixed rate mortgage which bears interest at 4.125% and one of the retail properties financed with a five-year $8.5 million fixed rate mortgage which bears interest at 3.75%. We hold an 80% interest in this joint venture, which we consolidate as a VIE since we have been designated as the primary beneficiary.

The following summarizes our allocation of the purchase price of the assets acquired and liabilities assumed upon the closing of these 2012 acquisitions (amounts in thousands):

	635-641 Sixth Avenue		304 Park Avenue South		Stonehenge Properties
Land	$	69,848	$	54,189	$	65,533
Building and building leasehold	104,474		75,619		128,457
Above market lease value	—		2,824		594
Acquired in-place leases	7,727		8,265		9,573
Other assets, net of other liabilities	—		—		2,190
Assets acquired	182,049		140,897		206,347
Fair value adjustment to mortgage note payable	—		—		—
Below market lease value	9,049		5,897		13,239
Liabilities assumed	9,049		5,897		13,239
Purchase price allocation	$	173,000	$	135,000	$	193,108
Net consideration funded by us at closing	$	173,000	$	135,000	$	78,121
Equity and/or debt investment held	$	—	$	—	$	—
Debt assumed	$	—	$	—	$	—

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Significant Accounting Policies

3 Months Ended

Mar. 31, 2013

Significant Accounting Policies

Significant Accounting Policies

2.  Significant Accounting Policies

Principles of Consolidation

The consolidated financial statements include our accounts and those of our subsidiaries, which are wholly-owned or controlled by us. Entities which we do not control through our voting interest and entities which are variable interest entities but where we are not the primary beneficiary, are accounted for under the equity method or as debt and preferred equity investments.  See Note 5, “Debt and Preferred Equity Investments” and Note 6, “Investments in Unconsolidated Joint Ventures.”  All significant intercompany balances and transactions have been eliminated.

We consolidate variable interest entities, or VIEs, in which we are considered the primary beneficiary. The primary beneficiary of a VIE is the entity that has (i) the power to direct the activities that most significantly impact the entity’s economic performance and (ii) the obligation to absorb losses of the VIE or the right to receive benefits from the VIE that could be significant to the VIE. Included in commercial real estate properties on our consolidated balance sheets as of March 31, 2013 and December 31, 2012 are approximately $596.1 million and $607.4 million, respectively, related to our consolidated VIEs. Included in mortgages and other loans payable on our consolidated balance sheets as of March 31, 2013 and December 31, 2012 are approximately $377.4 million and $379.6 million, respectively, related to our consolidated VIEs.

A noncontrolling interest in a consolidated subsidiary is defined as the portion of the equity (net assets) in a subsidiary not attributable, directly or indirectly, to a parent.  Noncontrolling interests are required to be presented as a separate component of equity in the consolidated balance sheet and the presentation of net income was modified to require earnings and other comprehensive income to be attributed to controlling and noncontrolling interests.

We assess the accounting treatment for each joint venture and debt and preferred equity investment.  This assessment includes a review of each joint venture or limited liability company agreement to determine which party has what rights and whether those rights are protective or participating.  For all VIE’s, we review such agreements in order to determine which party has the power to direct the activities that most significantly impact the entity’s economic performance.  In situations where we and our partner approves, among other things, the annual budget, receives a detailed monthly reporting package from us, meets on a quarterly basis to review the results of the joint venture, reviews and approves the joint venture’s tax return before filing, and approves all leases that cover more than a nominal amount of space relative to the total rentable space at each property, we do not consolidate the joint venture as we consider these to be substantive participation rights that result in shared power of the activities that most significantly impact the performance of our joint venture.  Our joint venture agreements typically contain certain protective rights such as the requirement of partner approval to sell, finance or refinance the property and the payment of capital expenditures and operating expenditures outside of the approved budget or operating plan.

Investment in Commercial Real Estate Properties

On a periodic basis, we assess whether there are any indications that the value of our real estate properties may be impaired or that their carrying value may not be recoverable.  A property’s value is considered impaired if management’s estimate of the aggregate future cash flows (undiscounted and without interest charges for consolidated properties) to be generated by the property is less than the carrying value of the property.  To the extent impairment has occurred, the loss will be measured as the excess of the carrying amount of the property over the calculated fair value of the property.  In addition, we assess our investments in unconsolidated joint ventures for recoverability, and if it is determined that a loss in value of the investment is other than temporary, we write down the investment to its fair value.  We evaluate our equity investments for impairment based on the joint venture’s projected discounted cash flows. We do not believe that the values of any of our consolidated properties or equity investments were impaired at either March 31, 2013 or December 31, 2012.

We allocate the purchase price of real estate to land and building (inclusive of tenant improvements) and, if determined to be material, intangibles, such as the value of above-, below- and at-market leases and origination costs associated with the in-place leases.  We depreciate the amount allocated to building (inclusive of tenant improvements) and other intangible assets over their estimated useful lives, which generally range from three to 40 years and from one to 14 years, respectively.  The values of the above- and below-market leases are amortized and recorded as either an increase (in the case of below-market leases) or a decrease (in the case of above-market leases) to rental income over the remaining term of the associated lease, which generally range from one to 14 years.  The value associated with in-place leases is amortized over the expected term of the associated lease, which generally ranges from one to 14 years.  If a tenant vacates its space prior to the contractual termination of the lease and no rental payments are being made on the lease, any unamortized balance of the related intangible will be written off.  The tenant improvements and origination costs are amortized as an expense over the remaining life of the lease (or charged against earnings if the lease is terminated prior to its contractual expiration date).  We assess fair value of the leases based on estimated cash flow projections that utilize appropriate discount and capitalization rates and available market information.  Estimates of future cash flows are based on a number of factors including the historical operating results, known trends, and market/economic conditions that may affect the property. To the extent acquired leases contain fixed rate renewal options that are below market and determined to be material, we amortize such below market lease value into rental income over the renewal period.

We recognized an increase of approximately $3.9 million and $2.1 million in rental revenue for the three months ended March 31, 2013 and 2012, respectively, for the amortization of aggregate below-market leases in excess of above-market leases and a reduction in lease origination costs, resulting from the allocation of the purchase price of the applicable properties.  We recognized a reduction in interest expense for the amortization of the above-market rate mortgages assumed of approximately $1.3 million and $1.0 million for the three months ended March 31, 2013 and 2012, respectively.

The following summarizes our identified intangible assets (acquired above-market leases and in-place leases) and intangible liabilities (acquired below-market leases) as of March 31, 2013 and December 31, 2012 (amounts in thousands):

	March 31, 2013			December 31, 2012
Identified intangible assets (included in other assets):
Gross amount	$	725,708		$	725,861
Accumulated amortization	(279,714		)	(263,107		)
Net	$	445,994		$	462,754
Identified intangible liabilities (included in deferred revenue):
Gross amount	$	652,117		$	651,921
Accumulated amortization	(374,239		)	(357,225		)
Net	$	277,878		$	294,696

Fair Value Measurements

Fair value is a market-based measurement, not an entity-specific measurement, and should be determined based on the assumptions that market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, FASB guidance establishes a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs that are classified within Levels 1 and 2 of the hierarchy) and the reporting entity’s own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy).

We determined the fair value of our current investments in marketable securities using Level 1, Level 2 and Level 3 inputs. Additionally, we determined the valuation allowance for loan losses based on Level 3 inputs. See Note 5, “Debt and Preferred Equity Investments.”

The estimated fair values of tangible and intangible assets and liabilities recorded in connection with business combinations are based on Level 3 inputs. We estimate fair values based on cash flow projections utilizing appropriate discount and/or capitalization rates and available market information.

We determine impairment in real estate investments and debt and preferred equity investments, including intangibles, utilizing cash flow projections that apply estimated revenue and expense growth rates, discount rates and capitalization rates, which are classified as Level 3 inputs.

We use the following methods and assumptions in estimating fair value disclosures for financial instruments.

· Cash and cash equivalents, restricted cash, accounts receivable, accounts payable and accrued expenses, and other assets and liabilities:  The carrying amount of cash and cash equivalents, restricted cash, accounts receivable, accounts payable and accrued expenses, and other assets and liabilities reported in our consolidated balance sheets approximates fair value due to the short term nature of these instruments.

· Debt and preferred equity investments:  The fair value of debt and preferred equity investments is estimated by discounting the future cash flows using current interest rates at which similar loans with the same maturities would be made to borrowers with similar credit ratings. See “Reserve for Possible Credit Losses” below regarding valuation allowances for loan losses.

· Derivative instruments: The fair value of derivative instruments is based on current market data received from financial sources that trade such instruments and are based on prevailing market data and derived from third party proprietary models based on well-recognized financial principles and reasonable estimates about relevant future market conditions.

· Mortgage and other loans payable and other debt:  The fair value of borrowings is estimated by discounting the future cash flows using current interest rates at which similar borrowings could be made by us.

The methodologies used for measuring fair value have been categorized into three broad levels as follows:

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

Level 2 — Valuations based principally on other observable market parameters, including

· Quoted prices in active markets for similar instruments,

· Quoted prices in less active or inactive markets for identical or similar instruments,

· Other observable inputs (such as interest rates, yield curves, volatilities, prepayment speeds, loss severities, credit risks and default rates), and

· Market corroborated inputs (derived principally from or corroborated by observable market data).

Level 3 — Valuations based significantly on unobservable inputs.

· Valuations based on third-party indications (broker quotes or counterparty quotes) which were, in turn, based significantly on unobservable inputs or were otherwise not supportable as Level 2 valuations.

· Valuations based on internal models with significant unobservable inputs.

These levels form a hierarchy. We follow this hierarchy for our assets and liabilities measured at fair value on a recurring and nonrecurring basis. The classifications are based on the lowest level of input that is significant to the fair value measurement.

Investment in Marketable Securities

We invest in marketable securities. At the time of purchase, we are required to designate a security as held-to-maturity, available-for-sale, or trading depending on ability and intent. We do not have any securities designated as held-to-maturity or trading at this time. Securities available-for-sale are reported at fair value pursuant to ASC 820-10, with the net unrealized gains or losses reported as a component of accumulated other comprehensive loss.  Unrealized losses that are determined to be other-than-temporary are recognized in earnings up to their credit component. Included in accumulated other comprehensive loss at March 31, 2013 and December 31, 2012 is approximately $5.0 million and $3.3 million, respectively, in net unrealized gains related to marketable securities.

The cost of bonds and marketable securities sold was determined using the specific identification method.

At March 31, 2013 and December 31, 2012, we held the following marketable securities (in thousands):

	March 31, 2013		December 31, 2012
Level 1 — Equity marketable securities	$	3,903	$	2,202
Level 2 — Commercial mortgage-backed securities	15,521		15,575
Level 3 — Rake bonds	3,570		3,652
Total marketable securities available-for-sale	$	22,994	$	21,429

The cost basis of the Level 3 securities was $3.7 million at March 31, 2013 and December 31, 2012. There were no sales of Level 3 securities during the three months ended March 31, 2013. The Level 3 securities mature at various times through 2030.

Revenue Recognition

Rental revenue is recognized on a straight-line basis over the term of the lease. Rental revenue recognition commences when the tenant takes possession or controls the physical use of the leased space. In order for the tenant to take possession, the leased space must be substantially ready for its intended use. To determine whether the leased space is substantially ready for its intended use, management evaluates whether we are or the tenant is the owner of tenant improvements for accounting purposes. When management concludes that we are the owner of tenant improvements, rental revenue recognition begins when the tenant takes possession of the finished space, which is when such tenant improvements are substantially complete. In certain instances, when management concludes that we are not the owner (the tenant is the owner) of tenant improvements, rental revenue recognition begins when the tenant takes possession of or controls the space. When management concludes that we are the owner of tenant improvements for accounting purposes, management records amounts funded to construct the tenant improvements as a capital asset. For these tenant improvements, management records amounts reimbursed by tenants as a reduction of the capital asset. When management concludes that the tenant is the owner of tenant improvements for accounting purposes, management records our contribution towards those improvements as a lease incentive, which is included in deferred leasing costs on our consolidated balance sheets and amortized as a reduction to rental revenue on a straight-line basis over the term of the lease.  The excess of rents recognized over amounts contractually due pursuant to the underlying leases are included in deferred rents receivable on the accompanying consolidated balance sheets.  We establish, on a current basis, an allowance for future potential tenant credit losses, which may occur against this account.  The balance reflected on the consolidated balance sheet is net of such allowance.

In addition to base rent, our tenants also generally will pay their pro rata share of increases in real estate taxes and operating expenses for the building over a base year. In some leases, in lieu of paying additional rent based upon increases in building operating expenses, the tenant will pay additional rent based upon increases in the wage rate paid to porters over the porters’ wage rate in effect during a base year or increases in the consumer price index over the index value in effect during a base year. In addition, many of our leases contain fixed percentage increases over the base rent to cover escalations. Electricity is most often supplied by the landlord either on a sub-metered basis, or rent inclusion basis (i.e., a fixed fee is included in the rent for electricity, which amount may increase based upon increases in electricity rates or increases in electrical usage by the tenant). Base building services other than electricity (such as heat, air conditioning and freight elevator service during business hours, and base building cleaning) are typically provided at no additional cost, with the tenant paying additional rent only for services which exceed base building services or for services which are provided outside normal business hours. These escalations are based on actual expenses incurred in the prior calendar year. If the expenses in the current year are different from those in the prior year, then during the current year, the escalations will be adjusted to reflect the actual expenses for the current year.

We record a gain on sale of real estate when title is conveyed to the buyer, subject to the buyer’s financial commitment being sufficient to provide economic substance to the sale and we have no substantial economic involvement with the buyer.

Interest income on debt and preferred equity investments is recognized over the life of the investment using the effective interest method and recognized on the accrual basis.  Fees received in connection with loan commitments are deferred until the loan is funded and are then recognized over the term of the loan as an adjustment to yield.  Anticipated exit fees, whose collection is expected, are also recognized over the term of the loan as an adjustment to yield.  Fees on commitments that expire unused are recognized at expiration.

Income recognition is generally suspended for debt and preferred equity investments at the earlier of the date at which payments become 90 days past due or when, in the opinion of management, a full recovery of interest income and principal becomes doubtful.  Interest income recognition is resumed when the loan becomes contractually current and performance is demonstrated to be resumed. Interest is recorded as income on impaired loans only to the extent cash is received. Several of the debt and preferred equity investments provide for accrual of interest at specified rates, which differ from current payment terms. Interest is recognized on such loans at the accrual rate subject to management’s determination that accrued interest and outstanding principal are ultimately collectible, based on the underlying collateral and operations of the borrower. If management cannot make this determination, interest income above the current pay rate is recognized only upon actual receipt.

If we purchase a debt or preferred equity investment at a discount, intend to hold it until maturity and expect to recover the full value of the investment, we accrete the discount into income as an adjustment to yield over the term of the investment. If we purchase a debt or preferred equity investment at a discount with the intention of foreclosing on the collateral, we do not accrete the discount.

Reserve for Possible Credit Losses

The expense for possible credit losses in connection with debt and preferred equity investments is the charge to earnings to increase the allowance for possible credit losses to the level that we estimate to be adequate, based on Level 3 data, considering delinquencies, loss experience and collateral quality.  Other factors considered relate to geographic trends and product diversification, the size of the portfolio and current economic conditions.  Based upon these factors, we establish the provision for possible credit loss on each individual investment.  When it is probable that we will be unable to collect all amounts contractually due, the investment is considered impaired.

Where impairment is indicated on an investment that is held to maturity, a valuation allowance is measured based upon the excess of the recorded investment amount over the net fair value of the collateral.  Any deficiency between the carrying amount of an asset and the calculated value of the collateral is charged to expense.  The write-off of the reserve balance is called a charge off.  We recorded no loan loss reserves during the three months ended March 31, 2013. During the three months ended March 31, 2012, we recorded loan loss reserves of $3.0 million on investments being held to maturity and approximately $2.4 million in recoveries in connection with the sale of our investments. This is included in loan loss and other investment reserves, net of recoveries in the accompanying consolidated statements of income.

Debt and preferred equity investments held for sale are carried at the lower of cost or fair market value using available market information obtained through consultation with dealers or other originators of such investments as well as discounted cash flow models based on Level 3 data pursuant to ASC 820-10. As circumstances change, management may conclude not to sell an investment designated as held for sale.  In such situations, the investment will be reclassified at its net carrying value to debt and preferred equity investments held to maturity.  For these reclassified investments, the difference between the current carrying value and the expected cash to be collected at maturity will be accreted into income over the remaining term of the investment.

Income Taxes

We are taxed as a REIT under Section 856(c) of the Code.  As a REIT, we generally are not subject to Federal income tax.  To maintain our qualification as a REIT, we must distribute at least 90% of our REIT taxable income to our stockholders and meet certain other requirements.  If we fail to qualify as a REIT in any taxable year, we will be subject to Federal income tax on our taxable income at regular corporate rates.  We may also be subject to certain state, local and franchise taxes.  Under certain circumstances, Federal income and excise taxes may be due on our undistributed taxable income.

Pursuant to amendments to the Code that became effective January 1, 2001, we have elected, and may in the future, elect to treat certain of our existing or newly created corporate subsidiaries as taxable REIT subsidiaries, or a TRS.  In general, a TRS of ours may perform non-customary services for our tenants, hold assets that we cannot hold directly and generally may engage in any real estate or non-real estate related business.  Our TRSs generate income, resulting in Federal and state income tax liability for these entities.  Our TRSs recorded Federal, state and local tax provisions of $1.6 million and zero during the three months ended March 31, 2013 and 2012, respectively, and made estimated tax payments of $0.1 million and zero during the three months ended March 31, 2013 and 2012, respectively.

We follow a two-step approach for evaluating uncertain tax positions. Recognition (step one) occurs when an enterprise concludes that a tax position, based solely on its technical merits, is more-likely-than-not to be sustained upon examination. Measurement (step two) determines the amount of benefit that is more-likely-than-not to be realized upon settlement. Derecognition of a tax position that was previously recognized would occur when a company subsequently determines that a tax position no longer meets the more-likely-than-not threshold of being sustained. The use of a valuation allowance as a substitute for derecognition of tax positions is prohibited.

Stock-Based Employee Compensation Plans

We have a stock-based employee compensation plan, described more fully in Note 13, “Equity.”

Our stock options are recorded at fair value at the time of issuance. Fair value of the stock options is determined using the Black-Scholes option-pricing model. The Black-Scholes model was developed for use in estimating the fair value of traded options, which have no vesting restrictions and are fully transferable.  In addition, option valuation models require the input of highly subjective assumptions including the expected stock price volatility.  Because our plan has characteristics significantly different from those of traded options and because changes in the subjective input assumptions can materially affect the fair value estimate, in our opinion, the existing models do not necessarily provide a reliable single measure of the fair value of our employee stock options.

Compensation cost for stock options, if any, is recognized ratably over the vesting period of the award.  Our policy is to grant options with an exercise price equal to the quoted closing market price of our stock on the grant date.  Awards of stock or restricted stock are expensed as compensation over the benefit period based on the fair value of the stock on the grant date.

For share-based awards with a performance or market measure, we recognize compensation cost over the requisite service period, using the accelerated attribution expense method. The requisite service period begins on the date the compensation committee of our board of directors authorizes the award, adopts any relevant performance measures and communicates the award to the employees. For programs with performance measures, the total estimated compensation cost is based on the fair value of the award at the applicable reporting date estimated using a binomial model. For share-based awards for which there is no pre-established performance measure, we recognize compensation cost over the service vesting period, which represents the requisite service period, on a straight-line basis. In accordance with the provisions of our share-based incentive compensation plans, we accept the return of shares of our Company common stock, at the current quoted market price, from certain key employee to satisfy minimum statutory tax-withholding requirements related to shares that vested during the period.

Awards can also be made in the form of a separate series of units of limited partnership interest in the Operating Partnership called long-term incentive plan units, or LTIP Units. LTIP Units, which can be granted either as free-standing awards or in tandem with other awards under our stock incentive plan, are valued by reference to the value of our common stock at the time of grant, and are subject to such conditions and restrictions as the compensation committee of our board of directors may determine, including continued employment or service, computation of financial metrics and/or achievement of pre-established performance goals and objectives.

Earnings per Share

We present both basic and diluted earnings per share, or EPS.  Basic EPS excludes dilution and is computed by dividing net income attributable to common stockholders by the weighted average number of common shares outstanding during the period. Basic EPS includes participating securities, consisting of unvested restricted stock that receive nonforfeitable dividends similar to shares of common stock. Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock, where such exercise or conversion would result in a lower EPS amount.  This also includes units of limited partnership interest. The dilutive effect of the outstanding nonvested shares of common stock, or nonvested shares, and restricted stock units, or RSUs, that have not yet been granted but are contingently issuable under the share-based compensation programs is reflected in the weighted average diluted shares calculation by application of the treasury stock method at the beginning of the quarterly period in which all necessary conditions have been satisfied. The dilutive effect of stock options is reflected in the weighted average diluted outstanding shares calculation by application of the treasury stock method. There is no dilutive effect for the exchangeable senior debentures as the conversion premium will be paid in cash.

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Concentrations of Credit Risk

Financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash investments, debt and preferred equity investments and accounts receivable.  We place our cash investments in excess of insured amounts with high quality financial institutions.  The collateral securing our debt and preferred equity investments is located in the New York Metropolitan area. See Note 5, “Debt and Preferred Equity Investments.” We perform ongoing credit evaluations of our tenants and require most tenants to provide security deposits or letters of credit. Though these security deposits and letters of credit are insufficient to meet the total value of a tenant’s lease obligation, they are a measure of good faith and a source of funds to offset the economic costs associated with lost rent and the costs associated with re-tenanting the space.  Although the properties in our real estate portfolio are primarily located in Manhattan, we also have Suburban properties located in Brooklyn, Long Island, Westchester County, Connecticut, Northern New Jersey and the west coast.  The tenants located in our buildings operate in various industries.  Other than three tenants who account for approximately 6.0%, 6.5% and 7.0% of our share of annualized cash rent, no other tenant in our portfolio accounted for more than 1.9% of our annualized cash rent, including our share of joint venture annualized cash rent at March 31, 2013. Approximately 9%, 7%, 6% and 6% of our annualized cash rent for consolidated properties for the three months ended March 31, 2013 was attributable to 1515 Broadway, 1185 Avenue of the Americas, 420 Lexington Avenue and One Madison Avenue, respectively.  In addition, two debt and preferred equity investments accounted for more than 10% of the income earned on debt and preferred equity investments during the three months ended March 31, 2013.

Reclassification

Certain prior year balances have been reclassified to conform to our current year presentation primarily in order to eliminate discontinued operations from income from continuing operations.

Accounting Standards Updates

In February 2013, the FASB issued guidance on the presentation and disclosure of reclassification adjustments out of accumulated other comprehensive income, or AOCI. The standard requires an entity to present information about significant items reclassified out of AOCI by component either on the face of the statement where net income is presented or as a separate disclosure in the notes to financial statements. The guidance became effective for calendar year-end public companies beginning in the first quarter of 2013 and its adoption did not have a material impact on our consolidated financial statements.

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies

Commitments and Contingencies

14.  Commitments and Contingencies

We and the Operating Partnership are not presently involved in any material litigation nor, to our knowledge, is any material litigation threatened against us or our properties, other than routine litigation arising in the ordinary course of business.  Management believes the costs, if any, incurred by us related to this litigation will not materially affect our financial position, operating results or liquidity.

The following is a schedule of future minimum lease payments under capital lease and non-cancellable operating leases with initial terms in excess of one year as of March 31, 2013 (in thousands):

	Capital leases			Non-cancellable operating leases
2013 (9 months)	$	1,589		$	26,484
2014	2,268			35,412
2015	2,339			35,568
2016	2,480			35,985
2017	2,630			36,231
Thereafter	353,908			1,188,068
Total minimum lease payments	365,214			$	1,357,748
Less amount representing interest	(321,810		)
Present value of net minimum lease payments	$	43,404

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Fair Value of Financial Instruments

3 Months Ended

Mar. 31, 2013

Fair Value of Financial Instruments

Fair Value of Financial Instruments

10.  Fair Value of Financial Instruments

The following disclosures of estimated fair value were determined by management, using available market information and appropriate valuation methodologies as discussed in Note 2, “Significant Accounting Policies.”  Considerable judgment is necessary to interpret market data and develop estimated fair value.  Accordingly, the estimates presented herein are not necessarily indicative of the amounts we could realize on disposition of the financial instruments.  The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

Cash and cash equivalents, restricted cash, accounts receivable and accounts payable balances reasonably approximate their fair values due to the short maturities of these items.  Mortgages and other loans payable, junior subordinate deferrable interest debentures and the senior unsecured notes had an estimated fair value based on discounted cash flow models, based on Level 3 inputs, of approximately $6.3 billion, compared to the book value of the related fixed rate debt of approximately $5.8 billion at March 31, 2013.  Our floating rate debt, inclusive of our 2012 credit facility, but excluding $30.0 million of which was swapped, had an estimated fair value based on discounted cash flow models, based on Level 3 inputs, of approximately $0.9 billion, compared to the book value of the related floating rate debt of approximately $0.9 billion at March 31, 2013. Our debt and preferred equity investments had an estimated fair value ranging between $1.4 billion and $1.5 billion, compared to the book value of the related debt and preferred equity investments of approximately $1.4 billion at March 31, 2013, based on Level 3 inputs.

Disclosure about fair value of financial instruments is based on pertinent information available to us as of March 31, 2013.  Although we are not aware of any factors that would significantly affect the reasonable fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since that date and current estimates of fair value may differ significantly from the amounts presented herein.

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Investments in Unconsolidated Joint Ventures

3 Months Ended

Mar. 31, 2013

Investments in Unconsolidated Joint Ventures

Investments in Unconsolidated Joint Ventures

6.  Investments in Unconsolidated Joint Ventures

We have investments in several real estate joint ventures with various partners, including The City Investment Fund, or CIF, SITQ Immobilier, a subsidiary of Caisse de depot et placement du Quebec, or SITQ, Canada Pension Plan Investment Board, or CPPIB, Prudential Real Estate Investors, or Prudential, Onyx Equities, or Onyx, The Witkoff Group, or Witkoff, Credit Suisse Securities (USA) LLC, or Credit Suisse, Jeff Sutton, or Sutton, Harel Insurance and Finance, or Harel, Louis Cappelli, or Cappelli, The Moinian Group, or Moinian, Vornado Realty Trust (NYSE: VNO), or Vornado, Blackstone Real Estate Partners VII, or Blackstone, Square Mile Capital Management LLC, or Square Mile, Plaza Global Real Estate Partners LP or Plaza, Angelo Gordon Real Estate Inc., or AG, as well as private investors. All the investments below are voting interest entities, except for 33 Beekman, 3 Columbus Circle and 180/182 Broadway which are VIEs in which we are not the primary beneficiary. Our net equity investment in these three VIEs was $124.5 million and $117.7 million at March 31, 2013 and December 31, 2012, respectively. As we do not control the joint ventures listed below, we account for them under the equity method of accounting. We assess the accounting treatment for each joint venture on a stand-alone basis. This includes a review of each joint venture or limited liability company agreement to determine which party has what rights and whether those rights are protective or participating. In situations where we and our partner are involved in some or all of the following: approving the annual budget, receiving a detailed monthly reporting package from us, meeting with us on a quarterly basis to review the results of the joint venture, reviewing and approving the joint venture’s tax return before filing, and approving all leases that cover more than a nominal amount of space relative to the total rentable space at each property, we do not consolidate the joint venture as we consider these to be substantive participation rights. Our joint venture agreements typically contain certain protective rights such as the requirement of partner approval to sell, finance or refinance the property and the payment of capital expenditures and operating expenditures outside of the approved budget or operating plan.

The table below provides general information on each of our joint ventures as of March 31, 2013 (amounts in thousands):

Property	Partner	OwnershipInterest		EconomicInterest		SquareFeet	Acquired	AcquisitionPrice($)(1)
100 Park Avenue	Prudential	49.90	%	49.90	%	834	02/00	95,800
21 West 34th Street	Sutton	50.00	%	50.00	%	30	07/05	22,400
1604-1610 Broadway(14)	Onyx	90.00	%	90.00	%	30	11/05	4,400
27-29 West 34th Street	Sutton	50.00	%	50.00	%	41	01/06	30,000
717 Fifth Avenue(2)	Sutton/Private Investor	10.92	%	10.92	%	120	09/06	251,900
800 Third Avenue	Private Investors	42.95	%	42.95	%	526	12/06	285,000
1745 Broadway	Witkoff/SITQ/Lehman Bros.	32.26	%	32.26	%	674	04/07	520,000
1 and 2 Jericho Plaza	Onyx/Credit Suisse	20.26	%	20.26	%	640	04/07	210,000
16 Court Street	CIF	35.00	%	35.00	%	318	07/07	107,500
The Meadows(3)	Onyx	50.00	%	50.00	%	582	09/07	111,500
388 and 390 Greenwich Street(4)	SITQ	50.60	%	50.60	%	2,600	12/07	1,575,000
180/182 Broadway(5)	Harel/Sutton	25.50	%	25.50	%	71	02/08	43,600
600 Lexington Avenue	CPPIB	55.00	%	55.00	%	304	05/10	193,000
11 West 34th Street	Private Investor/Sutton	30.00	%	30.00	%	17	12/10	10,800
7 Renaissance	Cappelli	50.00	%	50.00	%	37	12/10	4,000
3 Columbus Circle(7)	Moinian	48.90	%	48.90	%	769	01/11	500,000
280 Park Avenue(8)	Vornado	50.00	%	50.00	%	1,237	03/11	400,000
1552-1560 Broadway(9)	Sutton	50.00	%	50.00	%	49	08/11	136,550
747 Madison Avenue	Harel/Sutton	33.33	%	33.33	%	10	09/11	66,250
724 Fifth Avenue	Sutton	50.00	%	50.00	%	65	01/12	223,000
10 East 53rd Street	CPPIB	55.00	%	55.00	%	390	02/12	252,500
33 Beekman(10)	Harel/Private Investor	45.90	%	45.90	%	145	08/12	31,000
West Coast office portfolio(11)	Blackstone/SquareMile	36.01	%	36.01	%	4,474	09/12	880,103
521 Fifth Avenue(12)	Plaza	50.50	%	50.50	%	460	11/12	315,000
21 East 66th Street(13)	Private Investors	32.28	%	32.28	%	17	12/12	75,000
315 West 36th Street	Private Investors	35.50	%	35.50	%	148	12/12	45,000
Herald Center(6)	AG	40.00	%	40.00	%	365	01/13	50,000

(1) Acquisition price represents the actual or implied gross purchase price for the joint venture.

(2) In June 2012, this retail condominium was recapitalized. The recapitalization triggered a promote which resulted in a reduction of our economic interest. In addition, we sold 50% of our remaining interest at a property valuation of $617.6 million. We recognized $67.9 million of additional cash income, equivalent to profit, due to the distribution of refinancing proceeds and a gain on sale of $3.0 million. The refinancing replaced the $245.0 million floating rate mortgage loan, which bore interest at 275 basis points over LIBOR and was due to mature in September 2012, with a $300.0 million mortgage loan and $290.0 million mezzanine loan.

(3) In August 2012, Onyx made a capital contribution to the joint venture, which was distributed to us in full redemption of our preferred equity interest.

(4) The property is subject to a 13-year triple-net lease arrangement with a single tenant.  The lease commenced in 2007.

(5) In August 2011, the joint venture sold the property located at 63 Nassau Street for $2.8 million.

(6) The joint venture acquired a preferred equity interest in an entity that holds interest in a retail property located in Manhattan. The preferred equity bears interest at a rate of 8.75% per annum and matures in June 2016.

(7) We had an obligation to fund an additional $47.5 million to the joint venture, of which $46.8 million has been funded as of March 31, 2013. This liability is recorded in accrued interest payable and other liabilities. In addition, we made a $125.0 million bridge loan to this joint venture which bore interest at a rate of 7.5%. This loan was repaid when the joint venture refinanced its debt in April 2011. In September 2012, the joint venture sold to Young & Rubicam, Inc. a portion of the property, generally floors three through eight, through a condominium form of ownership, or Y&R units, for $143.6 million. As the joint venture has an option to repurchase the Y&R unit, no gain was recognized as a result of this transaction.

(8) In March 2011, we contributed our debt investment with a carrying value of $286.6 million to a newly formed joint venture in which we hold a 50% interest. We realized $38.7 million of additional income upon the contribution. This income is included in preferred equity and investment income. The joint venture paid us approximately $111.3 million and also assumed $30.0 million of related floating rate financing which matures in June 2016.  In May 2011, this joint venture took control of the underlying property as part of a recapitalization transaction which valued the investment at approximately $1.1 billion. We hold an effective 49.5% ownership interest in the joint venture.

(9) In connection with this acquisition, the joint venture also acquired a long-term leasehold interest in the retail space and certain other spaces at 1560 Broadway, which is adjacent to 1552 Broadway. The purchase price relates only to the purchase of the 1552 Broadway interest which comprises 13,045 square feet. In May 2012, we, along with Sutton, acquired the property at 155 West 46th Street for $8.4 million. In January 2013, we conveyed this property, which is adjacent to 1552 and 1560 Broadway, to the fee owner of 1560 Broadway.

(10) The joint venture acquired the fee interest in the property and will develop an approximately 30 story building for student housing. Upon completion of the development, the joint venture will convey a long-term ground lease condominium interest in the building to Pace University.

(11) In September 2012, we, together with an affiliate of Blackstone, Gramercy Capital Corp., who in April 2013, changed its name to Gramercy Property Trust Inc. (NYSE: GPT), or Gramercy, and Square Mile, formed a joint venture to recapitalize a 31-property, 4.5-million-square-foot West Coast office portfolio. Following the recapitalization, Blackstone became the majority owner of the joint venture, with Equity Office Properties, a Blackstone affiliate, being responsible for the portfolio’s management and leasing. Prior to the recapitalization, the Company held $26.7 million in mezzanine and preferred equity positions in the entity that owned the portfolio. The new joint venture extended the $678.8 million mortgage secured by the portfolio for a term of two years with a one-year extension option. In addition, the joint venture entered into a new $68.0 million mezzanine loan for a term of two years. See Note 5, “Debt and Preferred Equity Investments.” In February 2013, we acquired Gramercy’s 10.73% interest in the joint venture and simultaneously sold 20.78% of the newly acquired interest to Square Mile.

(12) In November 2012, we sold our 49.5% partnership interest in 521 Fifth Avenue to Plaza Global Real Estate Partners for a gross valuation price of $315.0 million for this property. We recognized a gain of $19.4 million on the sale. We also refinanced the existing $150.0 million loan with a $170.0 million seven-year mortgage loan, which bears interest at 220 basis points over LIBOR. Following the sale, we deconsolidated the entity effective November 30, 2012 and accounted our investment under the equity method because of lack of control.

(13) We hold a 32.28% interest in the three retail and two residential units and a 16.14% in four residential units.

(14) In March 2013, Sutton conveyed its interest to us.

In July 2012, we, along with our joint venture partner, sold One Court Square for $481.1 million, which included the assumption by the purchaser of $315.0 million of existing debt. We recognized a gain of $1.0 million on the sale of this property.

In April 2012, we, along with our joint venture partner, Jeff Sutton, sold the property located at 379 Broadway for $48.5 million, inclusive of the fee position which was acquired for $13.5 million. We recognized a gain on sale of this investment of $6.5 million.

In March 2012, we, along with our joint venture partner, Jeff Sutton, sold the property located at 141 Fifth Avenue for $46.0 million. We recognized a gain on sale of this investment of $7.3 million.

We generally finance our joint ventures with non-recourse debt. However, in certain cases we have provided guarantees or master leases for tenant space. These guarantees and master leases terminate upon the satisfaction of specified circumstances or repayment of the underlying loans.  The first mortgage notes and other loans payable collateralized by the respective joint venture properties and assignment of leases at March 31, 2013 and December 31, 2012, respectively, are as follows (amounts in thousands):

Property	Maturity Date	Interest Rate(1)		March 31, 2013		December 31, 2012
21 East 66th Street(11)	04/2013	5.63	%	$	12,000	$	12,000
100 Park Avenue	09/2014	6.64	%	211,673		212,287
7 Renaissance	02/2015	10.00	%	856		856
11 West 34th Street	01/2016	4.82	%	17,418		17,491
280 Park Avenue	06/2016	6.57	%	710,000		710,000
21 West 34th Street	12/2016	5.76	%	100,000		100,000
1745 Broadway	01/2017	5.68	%	340,000		340,000
1 and 2 Jericho Plaza	05/2017	5.65	%	163,750		163,750
800 Third Avenue	08/2017	6.00	%	20,910		20,910
388 and 390 Greenwich Street(2)	12/2017	3.20	%	996,082		996,082
315 West 36th Street	12/2017	3.04	%	25,000		25,000
717 Fifth Avenue	07/2022	4.45	%	300,000		300,000
717 Fifth Avenue	06/2024	9.00	%	296,803		294,509
1604-1610 Broadway(3)	—	5.66	%	27,000		27,000
Total fixed rate debt				$	3,221,492	$	3,219,885
27-29 West 34th Street(4)	05/2013	2.20	%	$	53,238	$	53,375
1552 Broadway(5)	08/2013	3.18	%	119,322		113,869
16 Court Street	10/2013	2.70	%	84,731		84,916
180/182 Broadway(6)	12/2013	2.96	%	76,862		71,524
West Coast office portfolio	09/2014	3.94	%	742,112		745,025
747 Madison Avenue	10/2014	3.00	%	33,125		33,125
The Meadows(7)	09/2015	7.75	%	57,000		57,000
3 Columbus Circle(8)	04/2016	2.41	%	245,275		247,253
Other loan payable	06/2016	1.10	%	30,000		30,000
724 Fifth Avenue	01/2017	2.56	%	120,000		120,000
10 East 53rd Street	02/2017	2.71	%	125,000		125,000
33 Beekman(9)	08/2017	2.96	%	18,362		18,362
600 Lexington Avenue	10/2017	2.31	%	123,454		124,384
388 and 390 Greenwich Street(2)	12/2017	1.36	%	142,297		142,297
521 Fifth Avenue(10)	11/2019	2.41	%	170,000		170,000
21 East 66th Street	06/2033	2.88	%	2,033		2,033
Total floating rate debt				$	2,142,811	$	2,138,163
Total mortgages and other loan payable				$	5,364,303	$	5,358,048

(1) Effective weighted average interest rate for the three months ended March 31, 2013, taking into account interest rate hedges in effect during the period.

(2) These loans comprised of a $576.0 million mortgage and a $562.4 million mezzanine loan, both of which are fixed rate loans, except for $72.0 million of the mortgage and $70.3 million of the mezzanine loan which are floating.  Up to $200.0 million of the mezzanine loan, secured indirectly by these properties, is recourse to us.  We believe it is unlikely that we will be required to perform under this guarantee.

(3) This loan went into default in November 2009 due to the non-payment of debt service.

(4) This loan was refinanced at maturity.

(5) This loan has a committed amount of $125.0 million. In April 2013, we refinanced the existing loan with a $200.0 million three-year loan comprised of a $170.0 million mortgage loan, which carries a floating rate of interest of 270 basis points over LIBOR, and a $30.0 mezzanine loan, which carries a floating rate of interest of 9.35% over LIBOR. The loan has two one-year extension options.

(6) This loan has a committed amount of $90.0 million.

(7) As a result of the refinancing and restructuring in August 2012, we replaced the existing loan with a $60.0 million, three-year mortgage and recognized additional income of $10.8 million due to the repayment of the previous mortgage at a discount. As of March 31, 2013, $3.0 million of the existing loan remained unfunded.

(8) In April 2011, our joint venture with The Moinian Group which owns the property located at 3 Columbus Circle, New York, obtained a $260.0 million five-year mortgage with the Bank of China, which carries a floating rate of interest of 210 basis points over the 30-day LIBOR. The joint venture has the ability to increase the mortgage by $40.0 million based on meeting certain performance hurdles. In connection with this obligation, we executed a master lease agreement. Our partner has executed a contribution agreement to reflect its pro rata obligation under the master lease. In February 2012, the terms of the mortgage were modified to remove the Y&R condominium from the mortgage lien and from the existing master lease. See Note 7 of prior table.

(9) This loan has a committed amount of $75.0 million, which is recourse to us. Our partner has indemnified us for its pro rata share of the recourse guarantee. A portion of the guarantee terminates upon the joint venture reaching certain milestones. We believe it is unlikely that we will be required to perform under this guarantee.

(10) In connection with the sale of our 49.5% membership interest in the entity, the existing loan was refinanced with a $170.0 million seven-year mortgage. As we no longer control the entity, we deconsolidated the entity effective November 30, 2012. See Note 12 of prior table.

(11) In April 2013, this loan was refinanced and its maturity was extended to April 2023. The new loan bears interest at a fixed rate of 3.6% per annum.

We act as the operating partner and day-to-day manager for all our joint ventures, except for 800 Third Avenue, 1 and 2 Jericho Plaza, 3 Columbus Circle and The Meadows. We are entitled to receive fees for providing management, leasing, construction supervision and asset management services to our joint ventures. We earned approximately $2.6 million and $1.9 million from these services for the three months ended March 31, 2013, and 2012, respectively. In addition, we have the ability to earn incentive fees based on the ultimate financial performance of certain of the joint venture properties.

The combined balance sheets for the unconsolidated joint ventures, at March 31, 2013 and December 31, 2012, are as follows (in thousands):

	March 31, 2013		December 31, 2012
Assets
Commercial real estate property, net	$	6,965,366	$	6,910,991
Other assets	789,684		728,113
Total assets	$	7,755,050	$	7,639,104
Liabilities and members’ equity
Mortgages and other loans payable	$	5,364,303	$	5,358,048
Other liabilities	405,820		406,929
Members’ equity	1,984,927		1,874,127
Total liabilities and members’ equity	$	7,755,050	$	7,639,104
Company’s net investment in unconsolidated joint ventures	$	1,073,130	$	1,032,243

The combined statements of income for the unconsolidated joint ventures, from acquisition date through the three months ended March 31, 2013 and 2012 are as follows (in thousands):

	Three Months Ended
	March 31,
	2013		2012
Total revenues	$	151,231	$	120,048
Operating expenses	28,611		16,766
Ground rent	657		918
Real estate taxes	17,305		13,374
Interest, net of interest income	56,407		54,868
Depreciation and amortization	46,894		38,550
Transaction related costs	—		268
Total expenses	149,874		124,744
Net income (loss)	$	1,357	$	(4,696	)
Company’s equity in net income (loss) of unconsolidated joint ventures	$	5,073	$	(1,560	)

Gramercy Capital Corp.

In April 2004, we formed Gramercy as a commercial real estate finance business.  Gramercy qualified as a REIT for federal income tax purposes and expects to qualify for its current fiscal year.

At March 31, 2013, we held 0.7 million shares, or approximately 1.3% of Gramercy’s common stock. Our total investment of approximately $3.9 million is based on the market value of our common stock investment in Gramercy at March 31, 2013.  As we no longer have any significant influence over Gramercy, we account for our investment as available-for-sale securities.

Effective May 2005, June 2009 and October 2009, Gramercy entered into lease agreements with an affiliate of ours, for their corporate offices at 420 Lexington Avenue, New York, New York.  The first lease is for approximately 7,300 square feet and carries a term of ten years with rents of approximately $249,000 per annum for year one increasing to $315,000 per annum in year ten.  The second lease is for approximately 900 square feet pursuant to a lease which ends in April 2015, with annual rent under this lease of approximately $35,300 per annum for year one increasing to $42,800 per annum in year six.  The third lease is for approximately 1,400 square feet pursuant to a lease which ends in April 2015, with annual rent under this lease of approximately $67,300 per annum for year one increasing to $80,500 per annum in year six.

Effective June 2012, the first and third leases were amended and replaced with a new lease for approximately 8,100 square feet pursuant to a lease which ends in April 2015, with annual rent under this lease of approximately $345,000 for year one increasing to $357,000 in year three.

Marc Holliday, our chief executive officer, remains a board member of Gramercy.

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Investments in Unconsolidated Joint Ventures (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Assets
Commercial real estate property, net	$ 10,270,331		$ 10,269,630
Other assets	722,952		718,326
Liabilities and members' equity
Mortgages and other loans payable	4,815,485		4,615,464
Company's net investment in unconsolidated joint ventures	1,073,130		1,032,243
Combined statements of income for the unconsolidated joint ventures
Operating expense	73,633	73,254
Ground rent	10,990	8,806
Real estate taxes	53,688	51,480
Interest expense, net of interest income	81,336	80,137
Depreciation and amortization	85,146	80,663
Transaction related costs	1,358	1,056
Total expenses	327,218	316,142
Company's equity in net income (loss) of unconsolidated joint ventures	5,073	(1,560)
Joint venture
Assets
Commercial real estate property, net	6,965,366		6,910,991
Other assets	789,684		728,113
Total assets	7,755,050		7,639,104
Liabilities and members' equity
Mortgages and other loans payable	5,364,303		5,358,048
Other liabilities	405,820		406,929
Members' equity	1,984,927		1,874,127
Total liabilities and members equity	7,755,050		7,639,104
Company's net investment in unconsolidated joint ventures	1,073,130		1,032,243
Combined statements of income for the unconsolidated joint ventures
Total revenues	151,231	120,048
Operating expense	28,611	16,766
Ground rent	657	918
Real estate taxes	17,305	13,374
Interest expense, net of interest income	56,407	54,868
Depreciation and amortization	46,894	38,550
Transaction related costs		268
Total expenses	149,874	124,744
Net (loss) income before gain on sale	1,357	(4,696)
Company's equity in net income (loss) of unconsolidated joint ventures	$ 5,073	$ (1,560)

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Property Dispositions and Assets Held for Sale

3 Months Ended

Mar. 31, 2013

Property Dispositions and Assets Held for Sale

Property Dispositions and Assets Held for Sale

4.  Property Dispositions and Assets Held for Sale

In February 2013, we, along with our joint venture partner, sold our property located at 44 West 55th Street for $6.3 million. We recognized a gain of $1.1 million on the sale.

In February 2012, we sold our leased fee interest at 292 Madison Avenue for $85.0 million. We recognized a gain of $6.6 million on the sale.

Discontinued operations included the results of operations of real estate assets sold prior to March 31, 2013. This included 44 West 55th Street, which was sold in February 2013 and 292 Madison Avenue, which was sold in February 2012.

The following table summarizes income from discontinued operations for the three months ended March 31, 2013 and 2012, respectively (in thousands).

	Three Months Ended March 31,
	2013			2012
Revenues
Rental revenue	$	(10	)	$	568
Escalation and reimbursement revenues	—			7
Other income	—			—
Total revenues	(10		)	575
Operating expenses	5			11
Real estate taxes	10			18
Interest expense, net of interest income	—			598
Transaction related costs	—			95
Depreciation and amortization	7			14
Total expenses	22			736
Net loss from discontinued operations	$	(32	)	$	(161	)

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Debt and Preferred Equity Investments

3 Months Ended

Mar. 31, 2013

Debt and Preferred Equity Investments

Debt and Preferred Equity Investments

5.  Debt and Preferred Equity Investments

During the three months ended March 31, 2013 and 2012, our debt and preferred equity investments (net of discounts) increased approximately $208.6 million and $76.3 million, respectively, due to originations, purchases, accretion of discounts and paid-in-kind interest.  We recorded repayments, participations and sales of approximately $121.9 million and $59.7 million, respectively, and loan loss reserves of zero and $3.0 million during the three months ended March 31, 2013 and 2012, respectively, which offset the increases in debt and preferred equity investments.

As of March 31, 2013 and December 31, 2012, we held the following debt investments with an aggregate weighted average current yield of approximately 11.1% at March 31, 2013 (in thousands):

Loan Type	March 31, 2013 Senior Financing		March 31, 2013 Carrying Value, Net of Discounts			December 31, 2012 Carrying Value, Net of Discounts			Initial Maturity Date
Other Loan	$	399,500	$	15,000		$	—		March 2015
Mezzanine Loan	205,000		66,936			66,544			February 2016
Mortgage/Mezzanine Loan	168,567		46,511			46,496			May 2016
Mezzanine Loan	177,000		15,644			15,906			May 2016
Junior Participation	133,000		49,000			49,000			June 2016
Mezzanine Loan	165,000		71,119			71,067			November 2016
Mortgage/Mezzanine Loan(1)	1,109,000		73,292			115,804			March 2017
Other Loan	15,000		3,500			3,500			September 2021
Mortgage(2)	—		218,270			218,068			—
Total fixed rate	$	2,372,067	$	559,272		$	586,385
Junior Participation(3)	$	60,250	$	10,875		$	10,875		June 2013
Mezzanine Loan(4)	75,000		7,650			7,650			July 2013
Mezzanine Loan(5)	—		30,000			—			December 2013
Mortgage/Mezzanine Loan(6)	330,000		132,000			132,000			July 2014
Mezzanine Loan(7)	62,500		37,500			37,500			July 2014
Mezzanine Loan	170,000		60,000			60,000			August 2014
Mortgage	—		15,000			15,000			September 2014
Mortgage/Mezzanine Loan(8)	—		50,439			47,679			February 2015
Mezzanine Loan(9)	92,711		56,289			56,289			December 2015
Mezzanine Loan(10)	775,000		75,000			—			March 2016
Mezzanine Loan	55,000		35,000			35,000			July 2016
Mezzanine Loan(11)	81,000		35,202			34,940			October 2016
Total floating rate	$	1,701,461	$	544,955		$	436,933
Total	4,073,528		1,104,227			1,023,318
Loan loss reserve(3)	—		(7,000		)	(7,000		)
	$	4,073,528	$	1,097,227		$	1,016,318

(1) Interest is added to the principal balance for this accrual only loan. In January 2013, we sold 50% of the mezzanine loan for $57.8 million and recognized additional income of $12.9 million, which is included in investment and preferred equity income on the consolidated statements of income. The unaccrued interest during the period in which the loan was on non-accrual status is being accrued as of January 2013.

(2) In November 2012, we acquired this non-performing loan with an original balance of $219.0 million, which accrues interest at its default rate. This loan matured in June 2012.

(3) Loan loss reserves are specifically allocated to investments.  Our reserves reflect management’s judgment of the probability and severity of losses based on Level 3 data.  We cannot be certain that our judgment will prove to be correct or that reserves will be adequate over time to protect against potential future losses.

(4) In November 2011, we entered into a loan participation agreement in the amount of $7.4 million on a $15.0 million mortgage. Due to our continued involvement with the loan, the portion that was participated out has been recorded in other assets and other liabilities in the accompanying consolidated balance sheet.

(5) In February 2013, we entered into a loan participation agreement in the amount of $30.0 million on a $100.0 million mortgage. The note has two one-year extension options.

(6) As part of the restructuring and refinancing of the related senior mortgage in July 2012, our outstanding investment in the amount of $49.9 million was repaid in full at maturity and we also entered into a loan participation in the amount of $182.0 million on the $462.0 million outstanding senior mortgage which maturity was extended to July 2014. In September 2012, we sold $50.0 million of our interest in the senior mortgage to a third party.

(7) In November 2012, we entered into a loan participation agreement in the amount of $5.0 million on a $37.5 million mortgage. As a result of the transfer not meeting the conditions for sale accounting, the portion that was participated out has been recorded in other liabilities in the accompanying consolidated balance sheet.

(8) As of March 31, 2013, we were committed to fund an additional $8.3 million in connection with this loan.

(9) As of March 31, 2013, we were committed to fund an additional $28.7 million in connection with this loan.

(10) In March 2013, we originated a $150.0 million junior mezzanine loan and simultaneously sold one-half of our interest at par.

(11) As of March 31, 2013, we were committed to fund an additional $14.8 million in connection with this loan.

Preferred Equity Investments

As of March 31, 2013 and December 31, 2012, we held the following preferred equity investments, with an aggregate weighted average current yield of approximately 11.4% at March 31, 2013 (in thousands):

Type	March 31, 2013 SeniorFinancing		March 31, 2013 Carrying Value, Net of Discounts		December 31, 2012 Carrying Value, Net of Discounts		InitialMandatory Redemption
Preferred equity(1)(2)	$	480,000	$	103,437	$	100,831	July 2014
Preferred equity	70,000		10,000		10,000		October 2014
Preferred equity(1)(3)	57,087		20,238		19,136		April 2016
Preferred equity(1)	926,260		212,932		210,918		July 2016
	$	1,533,347	$	346,607	$	340,885

(1) The difference between the pay and accrual rates is included as an addition to the principal balance outstanding.

(2) This investment was classified as held for sale at June 30, 2009, but as held-to-maturity for all periods subsequent to June 30, 2009.  The reserve previously taken against this loan is being accreted up to the face amount through the maturity date. In connection with a recapitalization of the investment, our mezzanine loan was converted to preferred equity in 2011. We also made an additional $50.0 million junior preferred equity loan.  This junior preferred equity loan was repaid at par in February 2012.

(3) As of March 31, 2013, we are committed to fund an additional $5.7 million on this loan.

The following table is a rollforward of our total loan loss reserves at March 31, 2013 and December 31, 2012 (in thousands):

	March 31,2013		December 31, 2012
Balance at beginning of year	$	7,000	$	50,175
Expensed	—		3,000
Recoveries	—		(2,436		)
Charge-offs and reclassifications	—		(43,739		)
Balance at end of period	$	7,000	$	7,000

At March 31, 2013 and December 31, 2012, all debt and preferred equity investments, other than as noted above, were performing in accordance with the terms of the loan agreements.

We have determined that we have one portfolio segment of financing receivables at March 31, 2013 and December 31, 2012 comprising commercial real estate, which is primarily recorded in debt and preferred equity investments. Included in other assets is an additional amount of financing receivables totaling approximately $129.0 million at March 31, 2013 and $121.3 million at December 31, 2012. No financing receivables were 90 days past due or on non-accrual status at March 31, 2013.

The following table presents impaired loans, which may include non-accrual loans, as of March 31, 2013 and December 31, 2012, respectively (in thousands):

	March 31, 2013						December 31, 2012
	Unpaid Principal Balance		Recorded Investment		Allowance Allocated		Unpaid Principal Balance		Recorded Investment		Allowance Allocated
With no related allowance recorded:
Commercial real estate	$	—	$	—	$	—	$	—	$	—	$	—
With an allowance recorded:
Commercial real estate	10,750		10,750		7,000		10,750		10,750		7,000
Total	$	10,750	$	10,750	$	7,000	$	10,750	$	10,750	$	7,000

The following table presents the average recorded investment in impaired loans, which may include non-accrual loans and the related investment and preferred equity income recognized during the three months ended March 31, 2013 and 2012, respectively (in thousands):

	Three Months Ended March 31,
	2013		2012
Average recorded investment in impaired loans	$	10,864	$	79,937
Investment and preferred equity income recognized	227		1,562

On an ongoing basis, we monitor the credit quality of our financing receivables based on payment activity. We assess credit quality indicators based on the underlying collateral.

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Deferred Costs

3 Months Ended

Mar. 31, 2013

Deferred Costs

Deferred Costs

7.  Deferred Costs

Deferred costs at March 31, 2013 and December 31, 2012 consisted of the following (in thousands):

	March 31, 2013			December 31, 2012
Deferred financing	$	148,662		$	152,596
Deferred leasing	289,678			285,931
	438,340			438,527
Less accumulated amortization	(186,322		)	(177,382		)
Deferred costs, net	$	252,018		$	261,145

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Corporate Indebtedness (Details) (USD $)	3 Months Ended				3 Months Ended		1 Months Ended	3 Months Ended								3 Months Ended			0 Months Ended			3 Months Ended		0 Months Ended	3 Months Ended		1 Months Ended	3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended	12 Months Ended	0 Months Ended	1 Months Ended		3 Months Ended		0 Months Ended	1 Months Ended	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Mar. 31, 2013 Joint venture	Mar. 31, 2013 2012 Credit Facility	Nov. 30, 2012 2012 Credit Facility	Nov. 30, 2012 Revolving credit facility item	Mar. 31, 2013 Revolving credit facility	Mar. 31, 2013 Revolving credit facility Maximum	Mar. 31, 2013 Revolving credit facility Minimum	Mar. 31, 2013 Term loan	Nov. 30, 2012 Term loan	Mar. 31, 2013 Term loan Maximum	Mar. 31, 2013 Term loan Minimum	Mar. 31, 2013 Term Loan and Senior Unsecured Notes	Mar. 31, 2013 2011 Revolving Credit Facility	Mar. 31, 2013 2011 Revolving Credit Facility Maximum	Mar. 31, 2013 2011 Revolving Credit Facility Minimum	Dec. 27, 2012 Senior Unsecured Notes	Mar. 31, 2013 Senior Unsecured Notes	Dec. 31, 2012 Senior Unsecured Notes	Mar. 31, 2013 5.88% Senior unsecured notes maturing on August 15, 2014	Dec. 31, 2012 5.88% Senior unsecured notes maturing on August 15, 2014	Dec. 27, 2012 6.00% Senior unsecured notes maturing on March 31, 2016	Mar. 31, 2013 6.00% Senior unsecured notes maturing on March 31, 2016	Dec. 31, 2012 6.00% Senior unsecured notes maturing on March 31, 2016	Oct. 31, 2010 3.00% Senior unsecured notes maturing on October 15, 2017	Mar. 31, 2013 3.00% Senior unsecured notes maturing on October 15, 2017	Dec. 31, 2012 3.00% Senior unsecured notes maturing on October 15, 2017	Mar. 31, 2013 5.00% senior unsecured notes maturing on August 15, 2018	Dec. 31, 2012 5.00% senior unsecured notes maturing on August 15, 2018	Mar. 31, 2013 7.75% Senior unsecured notes maturing on March 15, 2020	Dec. 31, 2012 7.75% Senior unsecured notes maturing on March 15, 2020	Mar. 31, 2013 4.50% senior unsecured notes maturing on December 1, 2022	Dec. 31, 2012 4.50% senior unsecured notes maturing on December 1, 2022	Mar. 31, 2013 4.00% Senior unsecured notes maturing on June 15, 2025	Dec. 31, 2012 4.00% Senior unsecured notes maturing on June 15, 2025	Jan. 02, 2013 3.00% Senior unsecured notes maturing on March 30, 2027	Mar. 31, 2012 3.00% Senior unsecured notes maturing on March 30, 2027	Mar. 31, 2007 3.00% Senior unsecured notes maturing on March 30, 2027	Mar. 31, 2013 3.00% Senior unsecured notes maturing on March 30, 2027	Dec. 31, 2012 3.00% Senior unsecured notes maturing on March 30, 2027	Dec. 27, 2012 5.875% Senior unsecured notes	Jun. 30, 2005 Term Loans and Trust Preferred Securities	Mar. 31, 2013 Term Loans and Trust Preferred Securities	Mar. 31, 2013 Mortgages and other loans payable
Corporate Indebtedness
Revolving credit facility, maximum borrowing capacity						$ 1,600,000,000	$ 1,200,000,000					$ 400,000,000				$ 1,500,000,000
Number of extension options							2
Interest rate, description					LIBOR											LIBOR
Interest rate added to base rate (as a percent)								1.45%	1.75%	1.00%	1.65%		2.00%	1.15%			1.85%	1.00%
Extension option available							6 months
Extension fee required to be paid (as a percent)							0.10%
Maximum borrowing capacity, optional expansion							1,500,000,000
Facility fee on total commitments, payable quarterly in arrears (as a percent)								0.30%	0.35%	0.15%							0.45%	0.175%
Ability to borrow under line of credit facility					1,200,000,000
Outstanding under line of credit facility	30,000,000		70,000,000					30,000,000			400,000,000
Debt disclosures by scheduled maturity date
Unpaid Principal Balance																				1,388,166,000		75,898,000			255,308,000			345,000,000		250,000,000		250,000,000		200,000,000		7,000					11,953,000
Accreted Balance	1,732,588,000		1,734,956,000																	1,332,588,000	1,334,956,000	75,898,000	75,898,000		255,175,000	255,165,000		289,919,000	287,373,000	249,636,000	249,620,000	250,000,000	250,000,000	200,000,000	200,000,000	7,000	7,000				11,953,000	16,893,000
Coupon Rate (as a percent)																						5.88%		6.00%	6.00%			3.00%		5.00%		7.75%		4.50%		4.00%					3.00%		5.875%		5.61%
Effective Rate (as a percent)																						5.88%			6.02%			7.13%		5.03%		7.75%		4.50%		4.00%					3.00%
Term (in years)																						10 years			10 years			7 years		7 years		10 years		10 years		20 years					20 years
Aggregate principal amount of notes repurchased																			42,400,000					19,700,000														4,900,000					22,700,000
Amount of convertible debt recorded in equity																											78,300,000	55,100,000												66,600,000
Loss on early extinguishment of debt	18,513,000																		3,800,000
Debt instrument issued, value																											345,000,000													750,000,000				100,000,000
Premium on sale price to calculate exchange price of notes (as a percent)																											30.00%													25.00%
Exchange price (in dollars per share)																											$ 85.81													$ 173.30
Adjusted exchange rate for the debentures (in shares)																												0.0116800								0.0077461
Repayment of debt																			46,400,000																		650,000		102,200,000
Consideration as a percentage of accrued balance on repayment of debt																																						99.60%
Adjusted reference dividend for debentures																																				1.3491
Maximum consecutive quarters up to which interest payment can be deferred																																													2 years
Number of years for which securities will bear fixed rate of interest																																													10 years
Debt Instrument, Premium Payable on Early Redemption																																													0
Scheduled Amortization
2013																																														30,878,000
2014																																														43,668,000
2015																																														46,325,000
2016																																														56,839,000
2017																																														60,897,000
Thereafter																																														367,307,000
Total amortization of debt																																														605,914,000
Principal Repayments
2013				185,130,000																																										357,308,000
2014				364,191,000																																										146,273,000
2015				36,886,000																																										229,537,000
2016				527,682,000																																										516,667,000
2017				933,612,000																																										1,098,064,000
Thereafter				151,642,000												30,000,000																													100,000,000	1,861,722,000
Total principal repayments				2,199,143,000												30,000,000																													100,000,000	4,209,571,000
Scheduled Amortization and Principal Repayments
2013	388,186,000
2014	265,839,000														75,898,000
2015	275,869,000														7,000
2016	828,681,000														255,175,000
2017	1,460,833,000														301,872,000
Thereafter	3,458,665,000														1,099,636,000
Total amortization of debt and principal repayments	6,678,073,000														1,732,588,000
Letters of credit					91,900,000
Interest expense
Interest expense	81,789,000	80,547,000
Interest income	(453,000)	(410,000)
Interest expense, net	81,336,000	80,137,000
Interest capitalized	$ 3,062,000	$ 2,536,000

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Related Party Transactions (Details) (USD $)			3 Months Ended					3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Alliance Building Services	Mar. 31, 2012 Alliance Building Services	Mar. 31, 2013 A-List Marketing, LLC	Mar. 31, 2012 A-List Marketing, LLC	Mar. 31, 2013 Nancy Peck and Company sqft	Mar. 31, 2013 Entity with Stephen L Green ownership interest	Mar. 31, 2012 Entity with Stephen L Green ownership interest
Related Party Transactions
Profit participation from related party			$ 1,000,000	$ 800,000
Payments made for services			4,100,000	3,500,000	2,400	11,700
Space at 420 Lexington Avenue leased (in square feet)							1,003
Lease rent due per year							35,516
Increased lease rent due per year beginning in year seven							40,000
Property management fees from related party								118,200	89,000
Amounts due from/to related parties
Due from joint ventures	4,032,000	511,000
Other	7,137,000	7,020,000
Related party receivables	11,169,000	7,531,000
Due to joint venture (included in Accounts payable and accrued expenses)		$ (8,401,000)

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Mortgages and Other Loans Payable (Details) (USD $)	3 Months Ended			3 Months Ended						3 Months Ended																																					1 Months Ended				1 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 SL Green Operating Partnership	Mar. 31, 2013 Master repurchase	Dec. 31, 2012 Master repurchase	Mar. 31, 2013 220 East 42nd Street	Dec. 31, 2012 220 East 42nd Street	Mar. 31, 2013 609 Partners, LLC	Dec. 31, 2012 609 Partners, LLC	Mar. 31, 2013 609 Partners, LLC SL Green Operating Partnership Series E preferred units	Mar. 31, 2013 125 Park Avenue	Dec. 31, 2012 125 Park Avenue	Mar. 31, 2013 711 Third Avenue	Dec. 31, 2012 711 Third Avenue	Mar. 31, 2013 625 Madison Avenue	Dec. 31, 2012 625 Madison Avenue	Mar. 31, 2013 500 West Putnam	Dec. 31, 2012 500 West Putnam	Mar. 31, 2013 420 Lexington Avenue	Dec. 31, 2012 420 Lexington Avenue	Mar. 31, 2013 Landmark Square	Dec. 31, 2012 Landmark Square	Mar. 31, 2013 485 Lexington Avenue	Dec. 31, 2012 485 Lexington Avenue	Mar. 31, 2013 120 West 45th Street	Dec. 31, 2012 120 West 45th Street	Mar. 31, 2013 300 Main Street	Dec. 31, 2012 300 Main Street	Mar. 31, 2013 762 Madison Avenue	Dec. 31, 2012 762 Madison Avenue	Mar. 31, 2013 2 Herald Square	Dec. 31, 2012 2 Herald Square	Mar. 31, 2013 885 Third Avenue	Dec. 31, 2012 885 Third Avenue	Mar. 31, 2013 Other loan payable due in September, 2019	Dec. 31, 2012 Other loan payable due in September, 2019	Mar. 31, 2013 One Madison Avenue	Dec. 31, 2012 One Madison Avenue	Mar. 31, 2013 100 Church Street	Dec. 31, 2012 100 Church Street	Mar. 31, 2013 919 Third Avenue	Dec. 31, 2012 919 Third Avenue	Mar. 31, 2013 400 East 57th Street	Dec. 31, 2012 400 East 57th Street	Mar. 31, 2013 400 East 58th Street	Dec. 31, 2012 400 East 58th Street	Feb. 28, 2013 1515 Broadway	Apr. 30, 2012 1515 Broadway	Mar. 31, 2013 1515 Broadway	Dec. 31, 2012 1515 Broadway	Feb. 28, 2013 1515 Broadway Refinancing	Mar. 31, 2013 180 Maiden Lane	Dec. 31, 2012 180 Maiden Lane	Mar. 31, 2013 248-252 Bedford Avenue
Mortgages and Other Loans Payable
Interest rate, fixed rate debt (as a percent)						5.25%		5.00%			5.75%		4.99%		7.22%		5.52%		7.50%		4.00%		5.61%		6.12%		5.75%		3.75%		5.36%		6.26%		8.00%		5.91%		4.68%		5.12%		4.13%		4.13%				3.93%
Interest rate, floating rate debt (as a percent)				3.21%																																												3.60%				2.41%		2.46%
Total fixed rate debt	$ 4,349,406,000	$ 3,457,769,000				$ 184,698,000	$ 185,906,000	$ 23,000	$ 23,000		$ 146,250,000	$ 146,250,000	$ 120,000,000	$ 120,000,000	$ 124,481,000	$ 125,603,000	$ 23,930,000	$ 24,060,000	$ 184,612,000	$ 184,992,000	$ 84,097,000	$ 84,486,000	$ 450,000,000	$ 450,000,000	$ 170,000,000	$ 170,000,000	$ 11,500,000	$ 11,500,000	$ 8,331,000	$ 8,371,000	$ 191,250,000	$ 191,250,000	$ 267,650,000	$ 267,650,000	$ 50,000,000	$ 50,000,000	$ 602,584,000	$ 607,678,000	$ 230,000,000	$ 230,000,000	$ 500,000,000	$ 500,000,000	$ 70,000,000	$ 70,000,000	$ 30,000,000	$ 30,000,000			$ 900,000,000
Total floating rate debt	466,079,000	1,157,695,000		174,966,000	116,667,000																																													769,813,000		269,113,000	271,215,000	22,000,000
Total mortgages and other loans payable	4,815,485,000	4,615,464,000
Interest in property (as a percent)																																										51.00%
Repaid loan																																															775,000,000	447,200,000
Preferred Units, shares issued										63,900,000
Preferred Units (as a percent)										5.00%
Preferred Units, liquidation preference (in dollars per share)										$ 1.00
Preferred units, shares redeemed										63,800,000
Interest rate added to base rate (as a percent)			2.20%	3.00%																																												2.85%
Interest rate, description				1-month LIBOR																																												90-day LIBOR
Mortgage on properties assumed																																																			900,000,000
Refinanced mortgage loan																																																775,000,000			775,000,000
Gross book value of the properties and debt and preferred equity investments collateralizing the mortgages and other loans payable	7,800,000,000	7,600,000,000
Term																																																7 years			12 years
Interest rate (as a percent)																																															3.93%
Loss on early extinguishment of debt	18,513,000																																														18,500,000
Prepayment penalty																																															7,600,000
Repurchase of debt				$ 175,000,000
Extension option available				1 year

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Investments in Unconsolidated Joint Ventures (Tables)

3 Months Ended

Mar. 31, 2013

Investments in Unconsolidated Joint Ventures

Schedule of general information on joint ventures

The table below provides general information on each of our joint ventures as of March 31, 2013 (amounts in thousands):

Property	Partner	OwnershipInterest		EconomicInterest		SquareFeet	Acquired	AcquisitionPrice($)(1)
100 Park Avenue	Prudential	49.90	%	49.90	%	834	02/00	95,800
21 West 34th Street	Sutton	50.00	%	50.00	%	30	07/05	22,400
1604-1610 Broadway(14)	Onyx	90.00	%	90.00	%	30	11/05	4,400
27-29 West 34th Street	Sutton	50.00	%	50.00	%	41	01/06	30,000
717 Fifth Avenue(2)	Sutton/Private Investor	10.92	%	10.92	%	120	09/06	251,900
800 Third Avenue	Private Investors	42.95	%	42.95	%	526	12/06	285,000
1745 Broadway	Witkoff/SITQ/Lehman Bros.	32.26	%	32.26	%	674	04/07	520,000
1 and 2 Jericho Plaza	Onyx/Credit Suisse	20.26	%	20.26	%	640	04/07	210,000
16 Court Street	CIF	35.00	%	35.00	%	318	07/07	107,500
The Meadows(3)	Onyx	50.00	%	50.00	%	582	09/07	111,500
388 and 390 Greenwich Street(4)	SITQ	50.60	%	50.60	%	2,600	12/07	1,575,000
180/182 Broadway(5)	Harel/Sutton	25.50	%	25.50	%	71	02/08	43,600
600 Lexington Avenue	CPPIB	55.00	%	55.00	%	304	05/10	193,000
11 West 34th Street	Private Investor/Sutton	30.00	%	30.00	%	17	12/10	10,800
7 Renaissance	Cappelli	50.00	%	50.00	%	37	12/10	4,000
3 Columbus Circle(7)	Moinian	48.90	%	48.90	%	769	01/11	500,000
280 Park Avenue(8)	Vornado	50.00	%	50.00	%	1,237	03/11	400,000
1552-1560 Broadway(9)	Sutton	50.00	%	50.00	%	49	08/11	136,550
747 Madison Avenue	Harel/Sutton	33.33	%	33.33	%	10	09/11	66,250
724 Fifth Avenue	Sutton	50.00	%	50.00	%	65	01/12	223,000
10 East 53rd Street	CPPIB	55.00	%	55.00	%	390	02/12	252,500
33 Beekman(10)	Harel/Private Investor	45.90	%	45.90	%	145	08/12	31,000
West Coast office portfolio(11)	Blackstone/SquareMile	36.01	%	36.01	%	4,474	09/12	880,103
521 Fifth Avenue(12)	Plaza	50.50	%	50.50	%	460	11/12	315,000
21 East 66th Street(13)	Private Investors	32.28	%	32.28	%	17	12/12	75,000
315 West 36th Street	Private Investors	35.50	%	35.50	%	148	12/12	45,000
Herald Center(6)	AG	40.00	%	40.00	%	365	01/13	50,000

(1) Acquisition price represents the actual or implied gross purchase price for the joint venture.

(2) In June 2012, this retail condominium was recapitalized. The recapitalization triggered a promote which resulted in a reduction of our economic interest. In addition, we sold 50% of our remaining interest at a property valuation of $617.6 million. We recognized $67.9 million of additional cash income, equivalent to profit, due to the distribution of refinancing proceeds and a gain on sale of $3.0 million. The refinancing replaced the $245.0 million floating rate mortgage loan, which bore interest at 275 basis points over LIBOR and was due to mature in September 2012, with a $300.0 million mortgage loan and $290.0 million mezzanine loan.

(3) In August 2012, Onyx made a capital contribution to the joint venture, which was distributed to us in full redemption of our preferred equity interest.

(4) The property is subject to a 13-year triple-net lease arrangement with a single tenant.  The lease commenced in 2007.

(5) In August 2011, the joint venture sold the property located at 63 Nassau Street for $2.8 million.

(6) The joint venture acquired a preferred equity interest in an entity that holds interest in a retail property located in Manhattan. The preferred equity bears interest at a rate of 8.75% per annum and matures in June 2016.

(7) We had an obligation to fund an additional $47.5 million to the joint venture, of which $46.8 million has been funded as of March 31, 2013. This liability is recorded in accrued interest payable and other liabilities. In addition, we made a $125.0 million bridge loan to this joint venture which bore interest at a rate of 7.5%. This loan was repaid when the joint venture refinanced its debt in April 2011. In September 2012, the joint venture sold to Young & Rubicam, Inc. a portion of the property, generally floors three through eight, through a condominium form of ownership, or Y&R units, for $143.6 million. As the joint venture has an option to repurchase the Y&R unit, no gain was recognized as a result of this transaction.

(8) In March 2011, we contributed our debt investment with a carrying value of $286.6 million to a newly formed joint venture in which we hold a 50% interest. We realized $38.7 million of additional income upon the contribution. This income is included in preferred equity and investment income. The joint venture paid us approximately $111.3 million and also assumed $30.0 million of related floating rate financing which matures in June 2016.  In May 2011, this joint venture took control of the underlying property as part of a recapitalization transaction which valued the investment at approximately $1.1 billion. We hold an effective 49.5% ownership interest in the joint venture.

(9) In connection with this acquisition, the joint venture also acquired a long-term leasehold interest in the retail space and certain other spaces at 1560 Broadway, which is adjacent to 1552 Broadway. The purchase price relates only to the purchase of the 1552 Broadway interest which comprises 13,045 square feet. In May 2012, we, along with Sutton, acquired the property at 155 West 46th Street for $8.4 million. In January 2013, we conveyed this property, which is adjacent to 1552 and 1560 Broadway, to the fee owner of 1560 Broadway.

(10) The joint venture acquired the fee interest in the property and will develop an approximately 30 story building for student housing. Upon completion of the development, the joint venture will convey a long-term ground lease condominium interest in the building to Pace University.

(11) In September 2012, we, together with an affiliate of Blackstone, Gramercy Capital Corp., who in April 2013, changed its name to Gramercy Property Trust Inc. (NYSE: GPT), or Gramercy, and Square Mile, formed a joint venture to recapitalize a 31-property, 4.5-million-square-foot West Coast office portfolio. Following the recapitalization, Blackstone became the majority owner of the joint venture, with Equity Office Properties, a Blackstone affiliate, being responsible for the portfolio’s management and leasing. Prior to the recapitalization, the Company held $26.7 million in mezzanine and preferred equity positions in the entity that owned the portfolio. The new joint venture extended the $678.8 million mortgage secured by the portfolio for a term of two years with a one-year extension option. In addition, the joint venture entered into a new $68.0 million mezzanine loan for a term of two years. See Note 5, “Debt and Preferred Equity Investments.” In February 2013, we acquired Gramercy’s 10.73% interest in the joint venture and simultaneously sold 20.78% of the newly acquired interest to Square Mile.

(12) In November 2012, we sold our 49.5% partnership interest in 521 Fifth Avenue to Plaza Global Real Estate Partners for a gross valuation price of $315.0 million for this property. We recognized a gain of $19.4 million on the sale. We also refinanced the existing $150.0 million loan with a $170.0 million seven-year mortgage loan, which bears interest at 220 basis points over LIBOR. Following the sale, we deconsolidated the entity effective November 30, 2012 and accounted our investment under the equity method because of lack of control.

(13) We hold a 32.28% interest in the three retail and two residential units and a 16.14% in four residential units.

(14) In March 2013, Sutton conveyed its interest to us.

Schedule of first mortgage notes payable collateralized by the respective joint venture properties and assignment of leases

The first mortgage notes and other loans payable collateralized by the respective joint venture properties and assignment of leases at March 31, 2013 and December 31, 2012, respectively, are as follows (amounts in thousands):

Property	Maturity Date	Interest Rate(1)		March 31, 2013		December 31, 2012
21 East 66th Street(11)	04/2013	5.63	%	$	12,000	$	12,000
100 Park Avenue	09/2014	6.64	%	211,673		212,287
7 Renaissance	02/2015	10.00	%	856		856
11 West 34th Street	01/2016	4.82	%	17,418		17,491
280 Park Avenue	06/2016	6.57	%	710,000		710,000
21 West 34th Street	12/2016	5.76	%	100,000		100,000
1745 Broadway	01/2017	5.68	%	340,000		340,000
1 and 2 Jericho Plaza	05/2017	5.65	%	163,750		163,750
800 Third Avenue	08/2017	6.00	%	20,910		20,910
388 and 390 Greenwich Street(2)	12/2017	3.20	%	996,082		996,082
315 West 36th Street	12/2017	3.04	%	25,000		25,000
717 Fifth Avenue	07/2022	4.45	%	300,000		300,000
717 Fifth Avenue	06/2024	9.00	%	296,803		294,509
1604-1610 Broadway(3)	—	5.66	%	27,000		27,000
Total fixed rate debt				$	3,221,492	$	3,219,885
27-29 West 34th Street(4)	05/2013	2.20	%	$	53,238	$	53,375
1552 Broadway(5)	08/2013	3.18	%	119,322		113,869
16 Court Street	10/2013	2.70	%	84,731		84,916
180/182 Broadway(6)	12/2013	2.96	%	76,862		71,524
West Coast office portfolio	09/2014	3.94	%	742,112		745,025
747 Madison Avenue	10/2014	3.00	%	33,125		33,125
The Meadows(7)	09/2015	7.75	%	57,000		57,000
3 Columbus Circle(8)	04/2016	2.41	%	245,275		247,253
Other loan payable	06/2016	1.10	%	30,000		30,000
724 Fifth Avenue	01/2017	2.56	%	120,000		120,000
10 East 53rd Street	02/2017	2.71	%	125,000		125,000
33 Beekman(9)	08/2017	2.96	%	18,362		18,362
600 Lexington Avenue	10/2017	2.31	%	123,454		124,384
388 and 390 Greenwich Street(2)	12/2017	1.36	%	142,297		142,297
521 Fifth Avenue(10)	11/2019	2.41	%	170,000		170,000
21 East 66th Street	06/2033	2.88	%	2,033		2,033
Total floating rate debt				$	2,142,811	$	2,138,163
Total mortgages and other loan payable				$	5,364,303	$	5,358,048

(1) Effective weighted average interest rate for the three months ended March 31, 2013, taking into account interest rate hedges in effect during the period.

(2) These loans comprised of a $576.0 million mortgage and a $562.4 million mezzanine loan, both of which are fixed rate loans, except for $72.0 million of the mortgage and $70.3 million of the mezzanine loan which are floating.  Up to $200.0 million of the mezzanine loan, secured indirectly by these properties, is recourse to us.  We believe it is unlikely that we will be required to perform under this guarantee.

(3) This loan went into default in November 2009 due to the non-payment of debt service.

(4) This loan was refinanced at maturity.

(5) This loan has a committed amount of $125.0 million. In April 2013, we refinanced the existing loan with a $200.0 million three-year loan comprised of a $170.0 million mortgage loan, which carries a floating rate of interest of 270 basis points over LIBOR, and a $30.0 mezzanine loan, which carries a floating rate of interest of 9.35% over LIBOR. The loan has two one-year extension options.

(6) This loan has a committed amount of $90.0 million.

(7) As a result of the refinancing and restructuring in August 2012, we replaced the existing loan with a $60.0 million, three-year mortgage and recognized additional income of $10.8 million due to the repayment of the previous mortgage at a discount. As of March 31, 2013, $3.0 million of the existing loan remained unfunded.

(8) In April 2011, our joint venture with The Moinian Group which owns the property located at 3 Columbus Circle, New York, obtained a $260.0 million five-year mortgage with the Bank of China, which carries a floating rate of interest of 210 basis points over the 30-day LIBOR. The joint venture has the ability to increase the mortgage by $40.0 million based on meeting certain performance hurdles. In connection with this obligation, we executed a master lease agreement. Our partner has executed a contribution agreement to reflect its pro rata obligation under the master lease. In February 2012, the terms of the mortgage were modified to remove the Y&R condominium from the mortgage lien and from the existing master lease. See Note 7 of prior table.

(9) This loan has a committed amount of $75.0 million, which is recourse to us. Our partner has indemnified us for its pro rata share of the recourse guarantee. A portion of the guarantee terminates upon the joint venture reaching certain milestones. We believe it is unlikely that we will be required to perform under this guarantee.

(10) In connection with the sale of our 49.5% membership interest in the entity, the existing loan was refinanced with a $170.0 million seven-year mortgage. As we no longer control the entity, we deconsolidated the entity effective November 30, 2012. See Note 12 of prior table.

(11) In April 2013, this loan was refinanced and its maturity was extended to April 2023. The new loan bears interest at a fixed rate of 3.6% per annum.

Schedule of combined balance sheets for the unconsolidated joint ventures

The combined balance sheets for the unconsolidated joint ventures, at March 31, 2013 and December 31, 2012, are as follows (in thousands):

	March 31, 2013		December 31, 2012
Assets
Commercial real estate property, net	$	6,965,366	$	6,910,991
Other assets	789,684		728,113
Total assets	$	7,755,050	$	7,639,104
Liabilities and members’ equity
Mortgages and other loans payable	$	5,364,303	$	5,358,048
Other liabilities	405,820		406,929
Members’ equity	1,984,927		1,874,127
Total liabilities and members’ equity	$	7,755,050	$	7,639,104
Company’s net investment in unconsolidated joint ventures	$	1,073,130	$	1,032,243

Schedule of combined statements of income for the unconsolidated joint ventures

The combined statements of income for the unconsolidated joint ventures, from acquisition date through the three months ended March 31, 2013 and 2012 are as follows (in thousands):

	Three Months Ended
	March 31,
	2013		2012
Total revenues	$	151,231	$	120,048
Operating expenses	28,611		16,766
Ground rent	657		918
Real estate taxes	17,305		13,374
Interest, net of interest income	56,407		54,868
Depreciation and amortization	46,894		38,550
Transaction related costs	—		268
Total expenses	149,874		124,744
Net income (loss)	$	1,357	$	(4,696	)
Company’s equity in net income (loss) of unconsolidated joint ventures	$	5,073	$	(1,560	)

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Significant Accounting Policies (Details 5)	3 Months Ended
	Mar. 31, 2013 item
Customer concentration
Concentration of Credit Risk
Number of tenants	3
Credit concentration
Concentration of Credit Risk
Number of investments	2
Minimum revenue on debt and preferred equity investments (as a percent)	10.00%
Annualized rent | 1515 Broadway | Customer concentration
Concentration of Credit Risk
Percentage of concentration	9.00%
Annualized rent | 1185 Avenue of the Americas | Customer concentration
Concentration of Credit Risk
Percentage of concentration	7.00%
Annualized rent | 420 Lexington Avenue | Customer concentration
Concentration of Credit Risk
Percentage of concentration	6.00%
Annualized rent | One Madison Avenue | Customer concentration
Concentration of Credit Risk
Percentage of concentration	6.00%
Annualized rent | Three tenant | Customer concentration
Concentration of Credit Risk
Maximum percentage of annualized rent for any one tenant not individually disclosed	1.90%
Annualized rent | Tenant 1 | Customer concentration
Concentration of Credit Risk
Percentage of concentration	6.00%
Annualized rent | Tenant 2 | Customer concentration
Concentration of Credit Risk
Percentage of concentration	6.50%
Annualized rent | Tenant 3 | Customer concentration
Concentration of Credit Risk
Percentage of concentration	7.00%

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Stockholders' Equity

3 Months Ended

Mar. 31, 2013

Stockholders' Equity

Stockholders' Equity

12.  Stockholders’ Equity

Common Stock

Our authorized capital stock consists of 260,000,000 shares, $0.01 par value, of which we have authorized the issuance of up to 160,000,000 shares of common stock, $0.01 par value per share, 75,000,000 shares of excess stock, at $0.01 par value per share, and 25,000,000 shares of preferred stock, par value $0.01 per share.  As of March 31, 2013, 91,555,082 shares of common stock and no shares of excess stock were issued and outstanding.

In July 2011, we, along with the Operating Partnership, entered into an “at-the-market” equity offering program, or ATM Program, to sell an aggregate of $250.0 million of our common stock. As of March 31, 2013, we had $45.4 million available to issue under the ATM Program.

Perpetual Preferred Stock

We have 9,200,000 shares of our 6.50% Series I cumulative redeemable preferred stock, or the Series I preferred stock, outstanding with a mandatory liquidation preference of $25.00 per share. The Series I preferred stockholders receive annual dividends of $1.625 per share paid on a quarterly basis and dividends are cumulative, subject to certain provisions.  We are entitled to redeem the Series I preferred stock at par for cash at our option on or after August 10, 2017. In August 2012, we received $221.9 million in net proceeds from the issuance of the Series I preferred stock, which were recorded net of underwriters’ discount and issuance costs.

We have 7,700,000 shares of our 7.625% Series C cumulative redeemable preferred stock, or the Series C preferred stock, outstanding with a mandatory liquidation preference of $25.00 per share. The Series C preferred stockholders receive annual dividends of $1.90625 per share paid on a quarterly basis and dividends are cumulative, subject to certain provisions.  We are entitled to redeem the Series C preferred stock at par for cash at our option.  The Series C preferred stock was recorded net of underwriters discount and issuance costs. In September 2012, we redeemed 4,000,000 shares of our 11,700,000 shares of Series C preferred stock at a redemption price of $25.00 per share plus $0.3707 in accumulated and unpaid dividends on such preferred stock through September 24, 2012 and recognized $6.3 million of costs to redeem partially the Series C preferred stock.

In July 2012, we redeemed all 4,000,000 shares of our 7.875% Series D cumulative redeemable preferred stock, or Series D preferred stock, at a redemption price of $25.00 per share plus $0.4922 in accumulated and unpaid dividends on such preferred stock through July 14, 2012 and recognized $3.7 million of costs to redeem the Series D preferred stock. The Series D preferred stockholders received annual dividends of $1.96875 per share paid on a quarterly basis and dividends were cumulative, subject to certain provisions.

Dividend Reinvestment and Stock Purchase Plan

In March 2012, we filed a registration statement with the SEC for our dividend reinvestment and stock purchase plan, or DRIP, which automatically became effective upon filing. We registered 3,500,000 shares of our common stock under the DRIP. The DRIP commenced on September 24, 2001.

During the three months ended March 31, 2013 and 2012, we issued approximately 170 shares and 1.3 million shares of our common stock and received approximately $13,000 and $99.5 million of proceeds, respectively, from dividend reinvestments and/or stock purchases under the DRIP. DRIP shares may be issued at a discount to the market price.

Second Amended and Restated 2005 Stock Option and Incentive Plan

We have a stock option and incentive plan. The Second Amended and Restated 2005 Stock Option and Incentive Plan, or the 2005 Plan, was approved by our board of directors in April 2010 and our stockholders in June 2010 at our annual meeting of stockholders. The 2005 Plan authorizes the issuance of stock options, stock appreciation rights, unrestricted and restricted stock, phantom shares, dividend equivalent rights and other equity-based awards. Subject to adjustments upon certain corporate transactions or events, awards with respect to up to a maximum of 10,730,000 fungible units may be granted under the 2005 Plan. Currently, different types of awards count against the limit on the number of fungible units differently, with (1) full-value awards (i.e., those that deliver the full value of the award upon vesting, such as restricted stock) counting as 1.65 fungible units per share subject to such award (2) stock options, stock appreciation rights and other awards that do not deliver full value and expire five year from the date of grant counting as 0.79 fungible units per share subject to such award and (3) all other awards (e.g., ten-year stock options) counting as 1.0 fungible units per share subject to such award. Awards granted under the 2005 Plan prior to the approval of the second amendment and restatement in June 2010 continue to count against the fungible unit limit based on the ratios that were in effect at the time such awards were granted, which may be different than the current ratios. As a result, depending on the types of awards issued, the 2005 Plan may result in the issuance of more or less than 10,730,000 shares. If a stock option or other award granted under the 2005 Plan expires or terminates, the common stock subject to any portion of the award that expires or terminates without having been exercised or paid, as the case may be, will again become available for the issuance of additional awards. Shares of our common stock distributed under the 2005 Plan may be treasury shares or authorized but unissued shares. Currently, unless the 2005 Plan has been previously terminated by the board of directors, new awards may be granted under the 2005 Plan until June 15, 2020, which is the tenth anniversary of the date that the 2005 Plan was most recently approved by our stockholders. As of March 31, 2013, no fungible units were available for issuance under the 2005 Plan after reserving for shares underlying outstanding restricted stock units, phantom stock units granted pursuant to our Non-Employee Directors’ Deferral Program and LTIP Units, including, among others, outstanding LTIP Units issued under our 2011 Long-Term Outperformance Plan, which remain subject to performance-based vesting.

Options are granted under the plan at the fair market value on the date of grant and, subject to termination of employment, generally expire ten years from the date of grant, are not transferable other than on death, and generally vest in one to five years commencing one year from the date of grant.

The fair value of each stock option granted is estimated on the date of grant using the Black-Scholes option pricing model based on historical information with the following weighted average assumptions for grants during the three months ended March 31, 2013 and the year ended December 31, 2012.

	March 31,2013		December 31,2012
Dividend yield	2.00	%	2.00	%
Expected life of option	4.7 years		3.7 years
Risk-free interest rate	0.68	%	0.46	%
Expected stock price volatility	35.50	%	37.40	%

A summary of the status of our stock options as of March 31, 2013 and December 31, 2012 and changes during the three months ended March 31, 2013 and the year ended December 31, 2012 are presented below:

	March 31, 2013					December 31, 2012
	Options Outstanding			Weighted Average ExercisePrice		Options Outstanding			Weighted Average Exercise Price
Balance at beginning of year	1,201,000			$	75.05	1,277,200			$	63.37
Granted	201,000			76.67		361,331			75.36
Exercised	(79,036		)	50.22		(382,612		)	36.65
Lapsed or cancelled	(4,000		)	67.64		(54,919		)	72.99
Balance at end of period	1,318,964			$	76.81	1,201,000			$	75.05
Options exercisable at end of period	585,786			$	81.38	479,913			$	86.85
Weighted average fair value of options granted during the period	$	3,867,342				$	6,602,967

All options were granted within a price range of $20.67 to $137.18. The remaining weighted average contractual life of the options outstanding was 4.45 years and the remaining average contractual life of the options exercisable was 3.75 years.

During the three months ended March 31, 2013 and 2012, we recognized approximately $1.3 million and $1.7 million of compensation expense, respectively, for these options. As of March 31, 2013, there was approximately $11.6 million of total unrecognized compensation cost related to unvested stock options, which is expected to be recognized over a weighted-average period of three years.

Stock-based Compensation

Effective January 1, 1999, we implemented a deferred compensation plan, or the Deferred Plan, covering certain of our employees, including our executives.  The shares issued under the Deferred Plan were granted to certain employees, including our executives, and vesting will occur annually upon the completion of a service period or our meeting established financial performance criteria.  Annual vesting occurs at rates ranging from 15% to 35% once performance criteria are reached.

A summary of our restricted stock as of March 31, 2013 and December 31, 2012 and charges during the three months ended March 31, 2013 and the year ended December 31, 2012 is presented below:

	March 31, 2013			December 31, 2012
Balance at beginning of year	2,804,901			2,912,456
Granted	—			92,729
Cancelled	(300		)	(200,284		)
Balance at end of period	2,804,601			2,804,901
Vested during the period	500			408,800
Compensation expense recorded	$	1,464,223		$	6,930,381
Weighted average fair value of restricted stock granted during the period	$	—		$	7,023,942

The fair value of restricted stock that vested during the three months ended March 31, 2013 and year ended December 31, 2012 was $0.02 million and $22.4 million, respectively. As of March 31, 2013, there was $10.5 million of total unrecognized compensation cost related to unvested restricted stock, which is expected to be recognized over a weighted-average period of approximately 2.2 years.

For each of the three months ended March 31, 2013 and 2012, approximately $1.0 million was capitalized to assets associated with compensation expense related to our long-term compensation plans, restricted stock and stock options.

2010 Notional Unit Long-Term Compensation Plan

In December 2009, the compensation committee of our board of directors approved the general terms of the SL Green Realty Corp. 2010 Notional Unit Long-Term Compensation Program, or the 2010 Long Term Compensation Plan.  The 2010 Long-Term Compensation Plan is a long-term incentive compensation plan pursuant to which award recipients could earn, in the aggregate, from approximately $15 million up to approximately $75 million of LTIP Units in the Operating Partnership based on our stock price appreciation over three years beginning on December 1, 2009; provided that, if maximum performance had been achieved, approximately $25 million of awards could be earned at any time after the beginning of the second year and an additional approximately $25 million of awards could be earned at any time after the beginning of the third year. In order to achieve maximum performance under the 2010 Long-Term Compensation Plan, our aggregate stock price appreciation during the performance period had to equal or exceed 50%. The compensation committee determined that maximum performance had been achieved at or shortly after the beginning of each of the second and third years of the performance period and for the full performance period and, accordingly, 366,815 LTIP Units, 385,583 LTIP Units and 327,416 LTIP Units were earned under the 2010 Long-Term Compensation Plan in December 2010, 2011 and 2012, respectively. Substantially in accordance with the original terms of the program, 50% of these LTIP Units vested on December 17, 2012 (accelerated from the original January 1, 2013 vesting date) and the remainder is scheduled to vest ratably on January 1, 2014 and 2015 based on continued employment. In accordance with the terms of the 2010 Long-Term Compensation Plan, distributions were not paid on any LTIP Units until they were earned, at which time we paid all distributions that would have been paid on the earned LTIP Units since the beginning of the performance period.

The cost of the 2010 Long Term Compensation Plan (approximately $31.7 million, subject to forfeitures) will be amortized into earnings through the final vesting period. We recorded compensation expense of approximately $1.9 million during each of the three months ended March 31, 2013 and 2012, respectively, related to the 2010 Long-Term Compensation Plan.

2011 Outperformance Plan

In August 2011, the compensation committee of our board of directors approved the general terms of the SL Green Realty Corp. 2011 Outperformance Plan, or the 2011 Outperformance Plan. Participants in the 2011 Outperformance Plan may earn, in the aggregate, up to $85 million of LTIP Units in the Operating Partnership based on our total return to stockholders for the three-year period beginning September 1, 2011. Under the 2011 Outperformance Plan, participants will be entitled to share in a “performance pool” comprised of LTIP Units with a value equal to 10% of the amount, if any, by which our total return to stockholders during the three-year period exceeds a cumulative total return to stockholders of 25%, subject to the maximum of $85 million of LTIP Units; provided that if maximum performance has been achieved, approximately one-third of each award may be earned at any time after the beginning of the second year and an additional approximately one-third of each award may be earned at any time after the beginning of the third year. LTIP Units earned under the 2011 Outperformance Plan will be subject to continued vesting requirements, with 50% of any awards earned vesting on August 31, 2014 and the remaining 50% vesting on August 31, 2015, subject to continued employment with us through such dates. Participants will not be entitled to distributions with respect to LTIP Units granted under the 2011 Outperformance Plan unless and until they are earned. If LTIP Units are earned, each participant will also be entitled to the distributions that would have been paid had the number of earned LTIP Units been issued at the beginning of the performance period, with such distributions being paid in the form of additional LTIP Units. Thereafter, distributions will be paid currently with respect to all earned LTIP Units, whether vested or unvested.

The cost of the 2011 Outperformance Plan (approximately $26.1 million, subject to forfeitures) will be amortized into earnings through the final vesting period. We recorded compensation expense of approximately $2.8 million and $1.2 million during the three months ended March 31, 2013 and 2012, respectively, related to the 2011 Outperformance Plan.

Deferred Stock Compensation Plan for Directors

Under our Independent Director’s Deferral Program, which commenced July 2004, our non-employee directors may elect to defer up to 100% of their annual retainer fee, chairman fees and meeting fees.  Unless otherwise elected by a participant, fees deferred under the program shall be credited in the form of phantom stock units.  The phantom stock units are convertible into an equal number of shares of common stock upon such directors’ termination of service from the board of directors or a change in control by us, as defined by the program.  Phantom stock units are credited to each non-employee director quarterly using the closing price of our common stock on the applicable dividend record date for the respective quarter.  Each participating non-employee director’s account is also credited for an equivalent amount of phantom stock units based on the dividend rate for each quarter.

During the three months ended March 31, 2013, no phantom stock units were earned.  As of March 31, 2013, there were approximately 72,706 phantom stock units outstanding.

Employee Stock Purchase Plan

On September 18, 2007, our board of directors adopted the 2008 Employee Stock Purchase Plan, or ESPP, to encourage our employees to increase their efforts to make our business more successful by providing equity-based incentives to eligible employees.  The ESPP is intended to qualify as an “employee stock purchase plan” under Section 423 of the Code, and has been adopted by the board to enable our eligible employees to purchase our shares of common stock through payroll deductions.  The ESPP became effective on January 1, 2008 with a maximum of 500,000 shares of the common stock available for issuance, subject to adjustment upon a merger, reorganization, stock split or other similar corporate change.  We filed a registration statement on Form S-8 with the SEC with respect to the ESPP.  The common stock is offered for purchase through a series of successive offering periods.  Each offering period will be three months in duration and will begin on the first day of each calendar quarter, with the first offering period having commenced on January 1, 2008.  The ESPP provides for eligible employees to purchase the common stock at a purchase price equal to 85% of the lesser of (1) the market value of the common stock on the first day of the offering period or (2) the market value of the common stock on the last day of the offering period. The ESPP was approved by our stockholders at our 2008 annual meeting of stockholders.  As of March 31, 2013, approximately 66,323 shares of our common stock had been issued under the ESPP.

Earnings per Share

Earnings per share for the three months ended March 31, 2013 and 2012 is computed as follows (amounts in thousands):

	Three Months EndedMarch 31,
	2013		2012
Numerator (Income)
Basic Earnings:
Income attributable to SL Green common stockholders	$	18,909	$	25,256
Effect of Dilutive Securities:
Redemption of units to common shares	555		888
Stock options	—		—
Diluted Earnings:
Income attributable to SL Green common stockholders	$	19,464	$	26,144

	Three Months EndedMarch 31,
	2013	2012
Denominator (Weighted Average Shares)
Basic Earnings:
Shares available to common stockholders	91,399	86,744
Effect of Dilutive Securities:
Redemption of units to common shares	2,687	3,049
3.0% exchangeable senior debentures due 2017	—	—
3.0% exchangeable senior debentures due 2027	—	—
4.0% exchangeable senior debentures due 2025	—	—
Stock-based compensation plans	216	380
Diluted Shares	94,302	90,173

We have excluded approximately 988,887 and 785,929 common stock equivalents from the diluted shares outstanding for the three months ended March 31, 2013 and 2012, respectively, as they were anti-dilutive.

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Segment Information

3 Months Ended

Mar. 31, 2013

Segment Information

Segment Information

17.  Segment Information

We are a REIT engaged in owning, managing, leasing, acquiring and repositioning commercial properties in the New York Metropolitan area and have two reportable segments, real estate and debt and preferred equity investments.  We evaluate real estate performance and allocate resources based on earnings contribution to income from continuing operations.

Our real estate portfolio is primarily located in the geographical markets of the New York Metropolitan area.  The primary sources of revenue are generated from tenant rents and escalations and reimbursement revenue.  Real estate property operating expenses consist primarily of security, maintenance, utility costs, real estate taxes and ground rent expense (at certain applicable properties).  See Note 5, “Debt and Preferred Equity Investments,” for additional details on our debt and preferred equity investments.

Selected results of operations for the three months ended March 31, 2013 and 2012, and selected asset information as of March 31, 2013 and December 31, 2012, regarding our operating segments are as follows (in thousands):

	Real Estate Segment			Debt and Preferred Equity Segment		Total Company
Total revenues
Three months ended:
March 31, 2013	$	317,263		$	52,708	$	369,971
March 31, 2012	312,795			26,338		339,133
(Loss) income from continuing operations before equity in net gain on sale of unconsolidated joint venture/real estate
Three months ended:
March 31, 2013	$	(14,559	)	$	43,815	$	29,256
March 31, 2012	516			20,915		21,431
Total assets
As of:
March 31, 2013	$	13,085,589		$	1,458,376	$	14,543,965
December 31, 2012	13,021,095			1,366,659		14,387,754

Income from continuing operations represents total revenues less total expenses for the real estate segment and total investment income less allocated interest expense for the debt and preferred equity segment.  Interest costs for the debt and preferred equity segment are imputed assuming 100% leverage at our 2012 credit facility borrowing cost as well as the interest under the MRA.  We also allocate loan loss reserves, net of recoveries to the debt and preferred equity segment.  We do not allocate marketing, general and administrative expenses and transaction related costs (totaling approximately $22.4 million and $21.3 million for the three months ended March 31, 2013 and 2012, respectively) to the debt and preferred equity segment since we base performance on the individual segments prior to allocating marketing, general and administrative expenses.  All other expenses, except interest, relate entirely to the real estate assets.

There were no transactions between the above two segments.

The table below reconciles income from continuing operations to net income attributable to SL Green common stockholders for the three months ended March 31, 2013 and 2012 (in thousands):

	Three Months Ended March 31,
	2013			2012
Income from continuing operations before equity in net gain on sale of interest in unconsolidated joint venture/real estate	$	29,256		$	21,431
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	—			7,260
Income from continuing operations	29,256			28,691
Net loss from discontinued operations	(32		)	(161		)
Gain on sale of discontinued operations	1,113			6,627
Net income	30,337			35,157
Net income attributable to noncontrolling interests in the Operating Partnership	(555		)	(888		)
Net income attributable to noncontrolling interests in other partnerships	(2,901		)	(1,071		)
Preferred unit distributions	(565		)	(397		)
Net income attributable to SL Green	26,316			32,801
Perpetual preferred stock dividends	(7,407		)	(7,545		)
Net income attributable to SL Green common stockholders	$	18,909		$	25,256

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Significant Accounting Policies (Details 3) (USD $)	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Significant Accounting Policies
Net unrealized gains related to marketable securities included in accumulated other comprehensive loss	$ 5,000,000	$ 3,300,000
Level 1 | Equity marketable securities
Investment in Marketable Securities
Total marketable securities available-for-sale	3,903,000	2,202,000
Level 2 | Commercial mortgage-backed securities
Investment in Marketable Securities
Total marketable securities available-for-sale	15,521,000	15,575,000
Level 3
Investment in Marketable Securities
Cost Basis	3,700,000	3,700,000
Sale of securities	0
Level 3 | Rake bonds
Investment in Marketable Securities
Total marketable securities available-for-sale	3,570,000	3,652,000
Estimated fair value
Investment in Marketable Securities
Total marketable securities available-for-sale	$ 22,994,000	$ 21,429,000

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Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies

Schedule of future minimum lease payments under capital lease and non-cancellable operating leases

The following is a schedule of future minimum lease payments under capital lease and non-cancellable operating leases with initial terms in excess of one year as of March 31, 2013 (in thousands):

	Capital leases			Non-cancellable operating leases
2013 (9 months)	$	1,589		$	26,484
2014	2,268			35,412
2015	2,339			35,568
2016	2,480			35,985
2017	2,630			36,231
Thereafter	353,908			1,188,068
Total minimum lease payments	365,214			$	1,357,748
Less amount representing interest	(321,810		)
Present value of net minimum lease payments	$	43,404

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Consolidated Statements of Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Consolidated Statements of Income
Operating expenses, paid to related parties	$ 4,150	$ 3,471

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Organization and Basis of Presentation

3 Months Ended

Mar. 31, 2013

Organization and Basis of Presentation

Organization and Basis of Presentation

1.  Organization and Basis of Presentation

SL Green Realty Corp., which is referred to as the Company or SL Green, a Maryland corporation, and SL Green Operating Partnership, L.P., which is referred to as SLGOP or the Operating Partnership, a Delaware limited partnership, were formed in June 1997 for the purpose of combining the commercial real estate business of S.L. Green Properties, Inc. and its affiliated partnerships and entities.  The Operating Partnership received a contribution of interest in the real estate properties, as well as 95% of the economic interest in the management, leasing and construction companies which are referred to as the Service Corporation, a consolidated variable interest entity.  All of the management, leasing and construction services with respect to the properties which are wholly-owned by us are conducted through SL Green Management LLC which is 100% owned by the Operating Partnership.  The Company has qualified, and expects to qualify in the current fiscal year, as a real estate investment trust, or REIT, under the Internal Revenue Code of 1986, as amended, or the Code, and operates as a self-administered, self-managed REIT.  A REIT is a legal entity that holds real estate interests and, through payments of dividends to stockholders, is permitted to minimize the payment of Federal income taxes at the corporate level.  Unless the context requires otherwise, all references to “we,” “our” and “us” means the Company and all entities owned or controlled by the Company, including the Operating Partnership.

Substantially all of our assets are held by, and our operations are conducted through, the Operating Partnership.  The Company is the sole managing general partner of the Operating Partnership.  As of March 31, 2013, noncontrolling investors held, in the aggregate, a 2.75% limited partnership interest in the Operating Partnership.  We refer to these interests as the noncontrolling interests in the Operating Partnership.  See Note 13, “Noncontrolling Interests in Operating Partnership.”

Reckson Associates Realty Corp., or Reckson, and Reckson Operating Partnership, L.P., or ROP, are wholly-owned subsidiaries of the Operating Partnership.

As of March 31, 2013, we owned the following interests in commercial office properties in the New York Metropolitan area, primarily in midtown Manhattan, a borough of New York City.  Our investments in the New York Metropolitan area also include investments in Brooklyn, Long Island, Westchester County, Connecticut and Northern New Jersey, which are collectively known as the Suburban assets:

Location	Ownership	Number of Properties	Square Feet	Weighted Average Occupancy(1)
Manhattan	Consolidated properties	27	18,347,945	93.8	%
	Unconsolidated properties	9	5,934,434	95.3	%
Suburban	Consolidated properties	26	3,899,800	78.4	%
	Unconsolidated properties	5	1,539,700	84.7	%
		67	29,721,879	91.6	%

(1) The weighted average occupancy represents the total leased square feet divided by total available rentable square feet.

As of March 31, 2013, we also owned investments in 14 stand-alone retail properties encompassing approximately 465,207 square feet, 15 development properties encompassing approximately 2,580,691 square feet, three residential properties encompassing 468 units (approximately 497,093 square feet), two land interests encompassing 961,400 square feet and 31 west coast office properties encompassing approximately 4,473,603 square feet.  In addition, we manage two office properties owned by third parties and affiliated companies encompassing approximately 626,415 rentable square feet. As of March 31, 2013, we also held debt and preferred equity investments with a book value of $1.4 billion.

Partnership Agreement

In accordance with the partnership agreement of the Operating Partnership, or the Operating Partnership agreement, we allocate all distributions and profits and losses in proportion to the percentage ownership interests of the respective partners.  As the managing general partner of the Operating Partnership, we are required to take such reasonable efforts, as determined by us in our sole discretion, to cause the Operating Partnership to distribute sufficient amounts to enable the payment of sufficient dividends by us to minimize any Federal income or excise tax at the Company level. Under the Operating Partnership agreement, each limited partner has the right to redeem units of limited partnership interests for cash, or if we so elect, shares of our common stock on a one-for-one basis.

Basis of Quarterly Presentation

The accompanying unaudited consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X.  Accordingly, they do not include all of the information and notes required by accounting principles generally accepted in the United States for complete financial statements.  In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for the fair presentation of the financial position of the Company at March 31, 2013 and the results of operations for the periods presented have been included.  The 2013 operating results for the period presented are not necessarily indicative of the results that may be expected for the year ending December 31, 2013.  These financial statements should be read in conjunction with the financial statements and accompanying notes included in our Annual Report on Form 10-K for the year ended December 31, 2012.

The balance sheet at December 31, 2012 has been derived from the audited financial statements at that date but does not include all the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.

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Investments in Unconsolidated Joint Ventures (Details) (USD $)	3 Months Ended							1 Months Ended		1 Months Ended									1 Months Ended					1 Months Ended			1 Months Ended									1 Months Ended			3 Months Ended	1 Months Ended								1 Months Ended		1 Months Ended
	Mar. 31, 2013 entity sqft property	Mar. 31, 2012	Dec. 31, 2012	Mar. 31, 2013 100 Park Avenue sqft	Mar. 31, 2013 21 West 34th Street sqft	Mar. 31, 2013 1604-1610 Broadway sqft	Mar. 31, 2013 27-29 West 34th Street sqft	Jun. 30, 2012 717 Fifth Avenue	Mar. 31, 2013 717 Fifth Avenue sqft	Jun. 30, 2012 717 Fifth Avenue Floating rate mortgage loan with maturity date of September 2012	Mar. 31, 2013 717 Fifth Avenue Mortgage loan	Mar. 31, 2013 717 Fifth Avenue Mezzanine loans	Mar. 31, 2013 800 Third Avenue sqft	Mar. 31, 2013 1745 Broadway sqft	Mar. 31, 2013 1 and 2 Jericho Plaza sqft	Mar. 31, 2013 16 Court Street sqft	Mar. 31, 2013 The Meadows sqft	Mar. 31, 2013 388 and 390 Greenwich Street sqft	Aug. 31, 2011 180/182 Broadway and 63 Nassu Street	Mar. 31, 2013 180/182 Broadway and 63 Nassu Street sqft	Mar. 31, 2013 600 Lexington Avenue sqft	Mar. 31, 2013 11 West 34th Street sqft	Mar. 31, 2013 7 Renaissance sqft	Sep. 30, 2012 3 Columbus Circle	Apr. 30, 2011 3 Columbus Circle	Mar. 31, 2013 3 Columbus Circle sqft	Mar. 31, 2013 280 Park Avenue sqft	May 31, 2011 280 Park Avenue	Mar. 31, 2011 280 Park Avenue	Mar. 31, 2013 1552-1560 Broadway sqft	May 31, 2012 155 West 46th Street	Mar. 31, 2013 747 Madison Avenue sqft	Mar. 31, 2013 724 Fifth Avenue sqft	Mar. 31, 2013 10 East 53rd Street sqft	Mar. 31, 2013 33 Beekman floor sqft	Feb. 28, 2013 West Coast office portfolio	Sep. 30, 2012 West Coast office portfolio property sqft	Mar. 31, 2013 West Coast office portfolio sqft	Sep. 30, 2012 West Coast office portfolio Mezzanine loans	Nov. 30, 2012 521 Fifth Avenue	Mar. 31, 2013 521 Fifth Avenue sqft	Apr. 30, 2013 21 East 66th Street	Mar. 31, 2013 21 East 66th Street sqft	Mar. 31, 2013 21 East 66th Street Three retail units unit	Mar. 31, 2013 21 East 66th Street 2 residential units unit	Mar. 31, 2013 21 East 66th Street Four residential units unit	Mar. 31, 2013 315 West 36th Street sqft	Jul. 31, 2012 One Court Square	Mar. 31, 2013 Herald Center sqft	Mar. 31, 2012 141 Fifth Avenue	Apr. 30, 2012 379 West Broadway	Mar. 31, 2013 1552 Broadway sqft
General information on each joint venture
Number of VIEs in which the entity is not primary beneficiary	3
Net equity investment in VIEs in which the entity is not primary beneficiary	$ 124,500,000		$ 117,700,000
Beneficial interest sold (as a percent)								50.00%
Consideration received for sale of beneficial interest																								143,600,000
Gain recognized on sale of beneficial interest																								0
Ownership Interest (as a percent)				49.90%	50.00%	90.00%	50.00%		10.92%				42.95%	32.26%	20.26%	35.00%	50.00%	50.60%		25.50%	55.00%	30.00%	50.00%			48.90%	50.00%			50.00%		33.33%	50.00%	55.00%	45.90%			36.01%			50.50%		32.28%	32.28%		16.14%	35.50%		40.00%
Economic Interest (as a percent)				49.90%	50.00%	90.00%	50.00%		10.92%				42.95%	32.26%	20.26%	35.00%	50.00%	50.60%		25.50%	55.00%	30.00%	50.00%			48.90%	50.00%			50.00%		33.33%	50.00%	55.00%	45.90%			36.01%			50.50%		32.28%				35.50%		40.00%
Square Feet	29,721,879			834,000	30,000	30,000	41,000		120,000				526,000	674,000	640,000	318,000	582,000	2,600,000		71,000	304,000	17,000	37,000			769,000	1,237,000			49,000		10,000	65,000	390,000	145,000		4,500,000	4,474,000			460,000		17,000				148,000		365,000			13,045
Acquisition Price				95,800,000	22,400,000	4,400,000	30,000,000		251,900,000				285,000,000	520,000,000	210,000,000	107,500,000	111,500,000	1,575,000,000		43,600,000	193,000,000	10,800,000	4,000,000			500,000,000	400,000,000			136,550,000	8,400,000	66,250,000	223,000,000	252,500,000	31,000,000			880,103,000			315,000,000		75,000,000				45,000,000		50,000,000
Fees position acquired																																																			13,500,000
Triple-net lease arrangement																		13 years
Number of floors of student housing																																			30
Partnership interest sold to a third party (as a percent)																																				20.78%				49.50%
Sales price								617,600,000											2,800,000																					315,000,000								481,100,000		46,000,000	48,500,000
Additional cash income recognized due to distribution of refinancing proceeds								67,900,000
Existing loan repaid										245,000,000
Interest rate added to base rate (as a percent)										2.75%																														2.20%
Interest rate, description										LIBOR																														LIBOR
Debt issued											300,000,000	290,000,000																									678,800,000		68,000,000
Ownership interest acquired (as a percent)																																				10.73%
Interest rate, fixed rate debt (as a percent)																																										3.60%							8.75%
Ground rent	10,990,000	8,806,000
Obligation to fund additional contribution																										47,500,000
Committed additional capital contribution funded																										46,800,000
Bridge loan made																									125,000,000
Interest rate on bridge loan made (as a percent)																									7.50%
Debt investments contributed to joint venture																													286,600,000
Additional income upon the contribution of debt investment to joint venture	52,708,000	26,338,000																											38,700,000
Amount received from joint venture	5,333,000	16,652,000																									111,300,000
Prior to the recapitalization positions held in mezzanine and preferred equity																																					26,700,000
Term																																							2 years	7 years
Refinanced mortgage loan																																								150,000,000
Number of units in property																																												3	2	4
Period of extension option for mortgage secured by the portfolio																																					1 year
Floating rate financing assumed by joint venture		59,099,000																											30,000,000																			315,000,000
Valuation of investment under the recapitalization transaction																												1,100,000,000
Effective ownership interest in underlying investment (as a percent)																												49.50%
Recognized gain (loss) on sale of interest in property		$ 7,260,000						$ 3,000,000																																$ 19,400,000								$ 1,000,000		$ 7,300,000	$ 6,500,000
Number of Properties	67																																				31

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Stockholders' Equity (Details 3) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Summary of restricted stock
Compensation expense related to long-term compensation plans, restricted stock and stock options capitalized to assets	$ 1,000,000	$ 1,000,000
Stock options
Stock based compensation
Options expiration period	10 years
Period of commencement of option vesting, from date of grant	1 year
Weighted average assumptions used for estimation of fair value of each stock option
Dividend yield (as a percent)	2.00%		2.00%
Expected life of option	4 years 8 months 12 days		3 years 8 months 12 days
Risk-free interest rate (as a percent)	0.68%		0.46%
Expected stock price volatility (as a percent)	35.50%		37.40%
Weighted average fair value of awards granted during the period	3,867,342		6,602,967
Options Outstanding
Balance at beginning of year (in shares)	1,201,000	1,277,200	1,277,200
Granted (in shares)	201,000		361,331
Exercised (in shares)	(79,036)		(382,612)
Lapsed or cancelled (in shares)	(4,000)		(54,919)
Balance at end of period (in shares)	1,318,964		1,201,000
Options exercisable at end of period (in shares)	585,786		479,913
Weighted Average Exercise Price
Balance at beginning of year (in dollars per share)	$ 75.05	$ 63.37	$ 63.37
Granted (in dollars per share)	$ 76.67		$ 75.36
Exercised (in dollars per share)	$ 50.22		$ 36.65
Lapsed or cancelled (in dollars per share)	$ 67.64		$ 72.99
Balance at end of period (in dollars per share)	$ 76.81		$ 75.05
Options exercisable at end of period (in dollars per share)	$ 81.38		$ 86.85
Exercise price of options granted, low end of the range (in dollars per share)	$ 20.67
Exercise price of options granted, high end of the range (in dollars per share)	$ 137.18
Remaining weighted average contractual life of the options outstanding	4 years 5 months 12 days
Remaining weighted average contractual life of the options exercisable	3 years 9 months
Share-based compensation, additional disclosures
Compensation expense	1,300,000	1,700,000
Total unrecognized compensation cost related to unvested stock awards	11,600,000
Weighted average period for recognition of compensation cost related to unvested stock awards	3 years
Stock options | Minimum
Stock based compensation
Options vesting period	1 year
Stock options | Maximum
Stock based compensation
Options vesting period	5 years
Restricted Stock Awards
Weighted average assumptions used for estimation of fair value of each stock option
Weighted average fair value of awards granted during the period			7,023,942
Share-based compensation, additional disclosures
Compensation expense	1,464,223		6,930,381
Total unrecognized compensation cost related to unvested stock awards	10,500,000
Weighted average period for recognition of compensation cost related to unvested stock awards	2 years 2 months 12 days
Annual award vesting rate, low end of range (as a percent)	15.00%
Annual award vesting rate, high end of range (as a percent)	35.00%
Summary of restricted stock
Balance at beginning of year (in shares)	2,804,901	2,912,456	2,912,456
Granted (in shares)			92,729
Cancelled (in shares)	(300)		(200,284)
Balance at end of period (in shares)	2,804,601		2,804,901
Vested during the period (in shares)	500		408,800
Fair value of restricted stock vested during the period	$ 20,000		$ 22,400,000

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Supplemental Disclosure of Non-Cash Investing and Financing Activities

3 Months Ended

Mar. 31, 2013

Supplemental Disclosure of Non-Cash Investing and Financing Activities

Supplemental Disclosure of Non-Cash Investing and Financing Activities

18.  Supplemental Disclosure of Non-Cash Investing and Financing Activities

The following table provides information on non-cash investing and financing activities for the three months ended March 31, 2013 and 2012, respectively (in thousands):

	Three Months Ended March 31,
	2013		2012
Issuance of common stock as deferred compensation	$	—	$	473
Issuance of units in the Operating Partnership	777		1,131
Redemption of units in the Operating Partnership	17,287		275
Derivative instruments at fair value	128		288
Mortgage assigned upon asset sale	—		59,099
Tenant improvements and capital expenditures payable	9,136		11,941
Fair value adjustment to noncontrolling interest in the Operating Partnership	24,016		41,935
Deferred leasing payable	741		2,457
Capital leased asset	6,839		—

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Financial Instruments: Derivatives and Hedging (Details) (USD $)	1 Months Ended	3 Months Ended
	Mar. 31, 2010	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2010	Dec. 31, 2012
Financial Instruments: Derivatives and Hedging
Fair Value		$ 1,800,000
Loss from settlement of hedges included in accumulated other comprehensive loss		16,400,000
Share of joint venture accumulated other comprehensive loss		14,700,000
Net loss on forward swaps	19,500,000
Amortization period of the loss from the settlement of the hedges				10 years
Accumulated Other Comprehensive Loss relating to derivatives, including share of joint venture		31,100,000			32,900,000
Estimated current balance held in accumulated other comprehensive loss to be reclassified into earnings within the next 12 months		2,100,000
Amount of (Loss) or Gain Recognized in Other Comprehensive Loss (Effective Portion) on derivatives qualifying as hedges		180,000	(88,000)
Amount of (Loss) or Gain Reclassified from Accumulated Other Comprehensive Loss into Interest Expense/ Equity in net income of unconsolidated joint ventures (Effective Portion) on derivatives qualifying as hedges		(1,708,000)	(3,203,000)
Amount of (Loss) or Gain Recognized in Interest Expense/Equity in Net Income (Loss) of Unconsolidated Joint Ventures (Ineffective Portion) on derivatives not qualifying as hedges		(15,000)	(711,000)
Share of joint venture of accumulated other comprehensive loss reclassified into equity in net income from unconsolidated joint ventures within the next 12 months		4,900,000
Interest Rate Cap expiring in April, 2013
Financial Instruments: Derivatives and Hedging
Notional Value		775,000,000
Strike Rate (as a percent)		3.65%
Interest Rate Cap expiring in November, 2013
Financial Instruments: Derivatives and Hedging
Notional Value		271,912,000
Strike Rate (as a percent)		6.00%
Interest Rate Cap expiring in June, 2016
Financial Instruments: Derivatives and Hedging
Notional Value		30,000,000
Strike Rate (as a percent)		2.295%
Interest Rate Swap expiring in February, 2015
Financial Instruments: Derivatives and Hedging
Notional Value		8,500,000
Strike Rate (as a percent)		0.74%
Level 2 | Interest Rate Cap expiring in June, 2016
Financial Instruments: Derivatives and Hedging
Fair Value		(1,761,000)
Level 2 | Interest Rate Swap expiring in February, 2015
Financial Instruments: Derivatives and Hedging
Fair Value		$ (70,000)

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Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2013

Related Party Transactions

Schedule of amounts due from/to related parties

Amounts due from/to related parties at March 31, 2013 and December 31, 2012 consisted of the following (in thousands):

	March 31, 2013		December 31, 2012
Due from joint ventures	$	4,032	$	511
Other	7,137		7,020
Related party receivables	$	11,169	$	7,531
Due to a joint venture (included in Accounts payable and accrued expenses)	$	—	$	(8,401	)

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Related Party Transactions

3 Months Ended

Mar. 31, 2013

Related Party Transactions

Related Party Transactions

11.  Related Party Transactions

Cleaning/ Security/ Messenger and Restoration Services

Through Alliance Building Services, or Alliance, First Quality Maintenance, L.P., or First Quality, provides cleaning, extermination and related services, Classic Security LLC provides security services, Bright Star Couriers LLC provides messenger services, and Onyx Restoration Works provides restoration services with respect to certain properties owned by us.  Alliance is partially owned by Gary Green, a son of Stephen L. Green, the chairman of our board of directors.  In addition, First Quality has the non-exclusive opportunity to provide cleaning and related services to individual tenants at our properties on a basis separately negotiated with any tenant seeking such additional services.  The Service Corporation has entered into an arrangement with Alliance whereby it will receive a profit participation above a certain threshold for services provided by Alliance to certain tenants at certain buildings above the base services specified in their lease agreements.  Alliance paid the Service Corporation approximately $1.0 million and $0.8 million for the three months ended March 31, 2013 and 2012, respectively.  We paid Alliance approximately $4.1 million and $3.5 million for the three months ended March 31, 2013 and 2012, respectively, for these services (excluding services provided directly to tenants).

Marketing Services

A-List Marketing, LLC, or A-List, provides marketing services to us.  Ms. Deena Wolff, a sister of Mr. Marc Holliday, is the owner of A-List. The aggregate amount of fees we paid to A-List for these marketing services was approximately $2,400 and $11,700 for the three months ended March 31, 2013 and 2012, respectively.

Leases

Nancy Peck and Company leases 1,003 square feet of space at 420 Lexington Avenue under a lease that ends in August 2015.  Nancy Peck and Company is owned by Nancy Peck, the wife of Stephen L. Green.  The rent due pursuant to the lease was $35,516 per annum for year one increasing to $40,000 in year seven.

Management Fees

S.L. Green Management Corp., a consolidated entity, receives property management fees from an entity in which Stephen L. Green owns an interest. The aggregate amount of fees paid to S.L. Green Management Corp. from such entity was approximately $118,200 and $89,000 for the three months ended March 31, 2013 and 2012, respectively.

Other

Amounts due from/to related parties at March 31, 2013 and December 31, 2012 consisted of the following (in thousands):

	March 31, 2013		December 31, 2012
Due from joint ventures	$	4,032	$	511
Other	7,137		7,020
Related party receivables	$	11,169	$	7,531
Due to a joint venture (included in Accounts payable and accrued expenses)	$	—	$	(8,401	)

Gramercy Capital Corp.

See Note 6, “Investments in Unconsolidated Joint Ventures — Gramercy Capital Corp.,” for disclosure on related party transactions between Gramercy and us.