SL Green Operating Partnership 8-K Entry into a Material Definitive Agreement

Exhibit 12.1

SL Green Realty Corp.

Ratio of Earnings to Fixed Charges

	Three Months Ended March 31,				Year Ended December 31,
	2011		2010		2010		2009		2008			2007		2006
Earnings
Income (loss) from continuing operations	$	71,163	$	8,841	$	108,175	$	1,619	$	26,028		$	62,061	$	43,849
Add: JV cash distributions	98,619		18,483		586,271		79,523		525,372			128,305		112,540
Interest	65,154		56,752		231,264		235,347		295,634			263,663		94,799
Portion of rent expense representative of interest	5,527		5,664		22,432		22,986		24,346			23,276		17,850
Total earnings	$	240,463	$	89,740	$	948,142	$	339,474	$	871,380		$	477,306	$	269,038
Fixed Charges
Interest	$	65,154	$	56,752	$	231,264	$	235,347	$	295,634		$	263,663	$	94,799
Interest capitalized	1,295		—		—		98		(179		)	5,118		8,529
Portion of rent expense representative of interest	5,527		5,664		22,432		22,986		24,346			23,276		17,850
Amortization of loan costs expensed	3,806		2,295		9,046		7,065		6,142			15,893		4,424
Total Fixed Charges	$	75,782	$	64,711	$	262,743	$	265,496	$	325,943		$	307,951	$	125,602
Ratio of earnings to fixed charges	3.17		1.39		3.61		1.28		2.67			1.55		2.14

SL Green Operating Partnership L.P.

Ratio of Earnings to Fixed Charges

	Three Months Ended March 31,				Year Ended December 31,
	2011		2010		2010		2009		2008			2007		2006
Earnings
Income (loss) from continuing operations	$	71,163	$	8,841	$	108,175	$	1,619	$	26,028		$	62,061	$	43,849
Add: JV cash distributions	98,619		18,483		586,271		79,523		525,372			128,305		112,540
Interest	65,154		56,752		231,264		235,347		295,634			263,663		94,799
Portion of rent expense representative of interest	5,527		5,664		22,432		22,986		24,346			23,276		17,850
Total earnings	$	240,463	$	89,740	$	948,142	$	339,474	$	871,380		$	477,306	$	269,038
Fixed Charges
Interest	$	65,154,	$	56,752	$	231,264	$	235,347	$	295,634		$	263,663	$	94,799
Interest capitalized	1,295		—		—		98		(179		)	5,118		8,529
Portion of rent expense representative of interest	5,527		5,664		22,432		22,986		24,346			23,276		17,850
Amortization of loan costs expensed	3,806		2,295		9,046		7,065		6,142			15,893		4,424
Total Fixed Charges	$	75,782	$	64,711	$	262,743	$	265,496	$	325,943		$	307,951	$	125,602
Ratio of earnings to fixed charges	3.17		1.39		3.61		1.28		2.67			1.55		2.14

Reckson Operating Partnership, L.P.

Ratio of Earnings to Fixed Charges

	Three Months Ended March 31,				Year Ended December 31,
	2011		2010		2010		2009		2008			2007		2006
Earnings
Income from continuing operations before non-controlling interests and fixed charges	$	34,310	$	32,162	$	118,258	$	99,202	$	139,127		$	119,867	$	32,878
Fixed Charges
Interest	$	13,811	$	13,809	$	59,722	$	56,444	$	74,163		$	76,024	$	98,512
Rent expense	1,595		1,621		6,482		6,482		6,482			6,585		6,367
Amortization of debt issuance costs	107		13		339							152		4,312
Capitalized interest	—		—		—		54		(480		)	5,118		11,034
Total Fixed Charges	$	15,513	$	15,443	$	66,543	$	62,980	$	80,165		$	87,879	$	120,225
Ratio of earnings to fixed charges	2.21		2.08		1.78		1.58		1.74			1.36		0.27