Income per Unit (Tables)

3 Months Ended

Mar. 31, 2015

Summary Of Basic And Diluted Earnings 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,
	2015		2014
Net income available to common stockholders	$	101,728	$	34,186
Weighted average shares outstanding—basic	135,704,525		128,535,995
Potentially dilutive common shares:
Stock options	33,839		51,909
Unvested incentive units	147,874		160,717
Series H Cumulative Redeemable Preferred Stock	—		388,340
2014 market performance-based awards	242,562		—
Weighted average shares outstanding—diluted	136,128,800		129,136,961
Income per share:
Basic	$	0.75	$	0.27
Diluted	$	0.75	$	0.26

Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share

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,
	2015	2014
Weighted average of Operating Partnership common units not owned by Digital Realty Trust, Inc.	2,702,468	2,606,669
Potentially dilutive 2029 Debentures	—	6,806,254
Potentially dilutive Series E Cumulative Redeemable Preferred Stock	4,392,889	5,674,269
Potentially dilutive Series F Cumulative Redeemable Preferred Stock	2,785,960	3,598,608
Potentially dilutive Series G Cumulative Redeemable Preferred Stock	3,809,345	4,920,508
Potentially dilutive Series H Cumulative Redeemable Preferred Stock	5,582,197	—
	19,272,859	23,606,308

Digital Realty Trust, L.P.

Summary Of Basic And Diluted Earnings Per Share

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

	Three Months Ended March 31,
	2015		2014
Net income available to common unitholders	$	103,754	$	34,879
Weighted average units outstanding—basic	138,406,993		131,142,664
Potentially dilutive common units:
Stock options	33,839		51,909
Unvested incentive units	147,874		160,717
Series H Cumulative Redeemable Preferred Units	—		388,340
2014 market performance-based awards	242,562		—
Weighted average units outstanding—diluted	138,831,268		131,743,630
Income per unit:
Basic	$	0.75	$	0.27
Diluted	$	0.75	$	0.26

Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share

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,
	2015	2014
Potentially dilutive 2029 Debentures	—	6,806,254
Potentially dilutive Series E Cumulative Redeemable Preferred Units	4,392,889	5,674,269
Potentially dilutive Series F Cumulative Redeemable Preferred Units	2,785,960	3,598,608
Potentially dilutive Series G Cumulative Redeemable Preferred Units	3,809,345	4,920,508
Potentially dilutive Series H Cumulative Redeemable Preferred Units	5,582,197	—
	16,570,391	20,999,639