Income Per Share

3 Months Ended

Mar. 31, 2014

Income Per Share [Abstract]

Income Per Share

8. Income per Share

The following is a summary of basic and diluted income per share (in thousands, except share and per share amounts):

	Three Months Ended March 31,
	2014	2013
Net income available to common stockholders	$             34,186	$            42,657
Weighted average shares outstanding—basic	128,535,995	126,445,285
Potentially dilutive common shares:
Stock options	51,909	70,877
Series H Cumulative Redeemable Preferred Stock	388,340	-
Unvested incentive units	160,717	222,177
Weighted average shares outstanding—diluted	129,136,961	126,738,339
Income per share:
Basic	$                 0.27	$                0.34
Diluted	$                 0.26	$                0.34

We have excluded the following potentially dilutive securities in the calculations above as they would be antidilutive or not dilutive:

	Three Months Ended March 31,
	2014	2013
Weighted average of Operating Partnership common    units not owned by Digital Realty Trust, Inc.	2,606,669	2,442,756
Potentially dilutive 2029 Debentures	6,806,254	6,590,470
Potentially dilutive Series D Cumulative Convertible    Preferred Stock	-	1,909,146
Potentially dilutive Series E Cumulative Redeemable    Preferred Stock	5,674,269	4,381,703
Potentially dilutive Series F Cumulative Redeemable    Preferred Stock	3,598,608	2,778,866
Potentially dilutive Series G Cumulative Redeemable    Preferred Stock	4,920,508	-
	23,606,308	18,102,941