Income Per Unit (Tables)

9 Months Ended

Sep. 30, 2013

Summary Of Basic And Diluted Earnings Per Share

	Three Months Ended September 30,		Nine Months Ended September 30,
	2013	2012	2013	2012
Net income available to common stockholders—basic	$          138,872	$            45,615	$          228,606	$          126,847
Add:  Interest and amortization of debt issuance costs on 2029 Debentures	4,050	-	-	-
Net income available to common stockholders—diluted	$          142,922	$            45,615	$          228,606	$          126,847
Weighted average shares outstanding—basic	128,427,444	122,026,421	127,771,419	112,995,512
Potentially dilutive common shares:
Stock options	58,150	76,774	64,767	74,462
Unvested incentive units	132,195	250,316	119,583	205,247
Effect of dilutive 2029 Debentures	6,683,976	-	-	-
Weighted average shares outstanding—diluted	135,301,765	122,353,511	127,955,769	113,275,221
Income per share:
Basic	$                1.08	$                0.37	$                1.79	$                1.12
Diluted	$                1.06	$                0.37	$                1.79	$                1.12

Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share

	Three Months Ended September 30,		Nine Months Ended September 30,
	2013	2012	2013	2012
Weighted average of Operating Partnership common    units not owned by Digital Realty Trust, Inc.	2,549,749	4,345,574	2,515,964	4,346,586
Potentially dilutive 2029 Debentures	-	6,514,812	6,628,489	6,471,282
Potentially dilutive Series C Cumulative Convertible    Preferred Stock	-	-	-	1,087,398
Potentially dilutive Series D Cumulative Convertible    Preferred Stock	-	4,219,384	629,389	4,309,978
Potentially dilutive Series E Cumulative Redeemable    Preferred Stock	5,251,059	4,151,146	4,853,976	4,045,501
Potentially dilutive Series F Cumulative Redeemable    Preferred Stock	3,330,210	2,632,647	3,078,381	1,243,998
Potentially dilutive Series G Cumulative Redeemable    Preferred Stock	4,153,208	-	2,918,921	-
	15,684,535	21,863,563	20,625,120	21,504,743

Digital Realty Trust, L.P. [Member]

Summary Of Basic And Diluted Earnings Per Share

	Three Months Ended September 30,		Nine Months Ended September 30,
	2013	2012	2013	2012
Net income available to common unitholders—basic	$          141,629	$            47,189	$          233,123	$          131,668
Add:  Interest and amortization of debt issuance costs on 2029 Debentures	4,050	-	-	-
Net income available to common unitholders—diluted	$          145,679	$            47,189	$          233,123	$          131,668
Weighted average units outstanding—basic	130,977,193	126,242,751	130,287,383	117,291,480
Potentially dilutive common units:
Stock options	58,150	76,774	64,767	74,462
Unvested incentive units	132,195	250,316	119,583	205,247
Effect of dilutive 2029 Debentures	6,683,976	-	-	-
Weighted average units outstanding—diluted	137,851,514	126,569,841	130,471,733	117,571,189
Income per unit:
Basic	$                1.08	$                0.37	$                1.79	$                1.12
Diluted	$                1.06	$                0.37	$                1.79	$                1.12

Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share

	Three Months Ended September 30,		Nine Months Ended September 30,
	2013	2012	2013	2012
Potentially dilutive 2029 Debentures	-	6,514,812	6,628,489	6,471,282
Potentially dilutive Series C Cumulative Convertible    Preferred Units	-	-	-	1,087,398
Potentially dilutive Series D Cumulative Convertible    Preferred Units	-	4,219,384	629,389	4,309,978
Potentially dilutive Series E Cumulative Redeemable     Preferred Units	5,251,059	4,151,146	4,853,976	4,045,501
Potentially dilutive Series F Cumulative Redeemable    Preferred Units	3,330,210	2,632,647	3,078,381	1,243,998
Potentially dilutive Series G Cumulative Redeemable    Preferred Units	4,553,517	-	2,918,921	-
	13,134,786	17,517,989	18,109,156	17,158,157