Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2013

Stockholders' Equity

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

	June 30, 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

	June 30, 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	(156,730		)	51.89		(382,612		)	36.65
Lapsed or cancelled	(24,035		)	84.71		(54,919		)	72.99
Balance at end of period	1,221,235			$	78.10	1,201,000			$	75.05
Options exercisable at end of period	504,092			$	85.05	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

	June 30, 2013			December 31, 2012
Balance at beginning of year	2,804,901			2,912,456
Granted	3,450			92,729
Cancelled	(600		)	(200,284		)
Balance at end of period	2,807,751			2,804,901
Vested during the period	500			408,800
Compensation expense recorded	$	2,971,339		$	6,930,381
Weighted average fair value of restricted stock granted during the period	$	309,362		$	7,023,942

Schedule of earnings per share calculation

Earnings per share for the three and six months ended June 30, 2013 and 2012 is computed as follows (amounts in thousands):

	Three Months EndedJune 30,				Six Months EndedJune 30,
	2013		2012		2013		2012
Numerator (Income)
Basic Earnings:
Income attributable to SL Green common stockholders	$	8,276	$	103,040	$	27,185	$	128,296
Effect of Dilutive Securities:
Redemption of units to common shares	244		3,421		799		4,309
Stock options	—		—		—		—
Diluted Earnings:
Income attributable to SL Green common stockholders	$	8,520	$	106,461	$	27,984	$	132,605

	Three Months EndedJune 30,		Six Months EndedJune 30,
	2013	2012	2013	2012
Denominator (Weighted Average Shares)
Basic Earnings:
Shares available to common stockholders	91,660	89,789	91,530	88,265
Effect of Dilutive Securities:
Redemption of units to common shares	2,652	3,193	2,694	3,121
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	224	369	228	380
Diluted Shares	94,536	93,351	94,452	91,766