Earnings Per Share

6 Months Ended

Jun. 30, 2011

Earnings Per Share

Earnings Per Share

(6)   EARNINGS PER SHARE

The following table presents the computation of earnings per share for the three- and six-month periods ended June 30, 2011 and 2010:

	For the three months ended		For the six months ended
	June 30,		June 30,
	2011	2010	2011	2010
Net income attributable to Southwestern Energy (in thousands)	$         167,454	$          122,069	$          304,063	$         293,866
Number of common shares:
Weighted average outstanding	347,132,830	345,288,773	346,984,194	345,194,534
Issued upon assumed exercise of outstanding stock options	2,583,711	3,812,833	2,643,537	3,911,348
Effect of issuance of nonvested restricted common stock	254,278	240,125	212,313	258,772
Weighted average and potential dilutive outstanding(1)	349,970,819	349,341,731	349,840,044	349,364,654
Earnings per share:
Net income attributable to Southwestern  Energy stockholders - basic	$             0.48	$             0.35	$             0.88	$             0.85
Net income attributable to Southwestern  Energy stockholders - diluted	$             0.48	$             0.35	$             0.87	$             0.84

(1) Options for 749,910 shares and 3,421 shares of restricted stock were excluded from the calculation for the three months ended June 30, 2011 because they would have had an antidilutive    effect. Options for 500,774 shares and 6,543 shares of restricted stock were excluded from the calculation for the three months ended June 30, 2010 because they would have had an antidilutive effect.Options for 813,878 shares and 3,041 shares of restricted stock were excluded from the calculation for the six months ended June 30, 2011 because they would have had an antidilutive effect. Options for 463,142 shares and 8,781 shares of restricted stock were excluded from the calculation for the six months ended June 30, 2010 because they would have had an antidilutive effect.