Exhibit 12
WASHINGTON REAL ESTATE INVESTMENT TRUST
Computation of Ratios
(In thousands)

Earnings to fixed charges ratio:
 
Three Months Ended March 31,
 
Year Ended December 31,
 
2012
 
2011
 
2011
 
2010
 
2009
 
2008
 
2007
Income (loss) from continuing operations
$
5,181

 
$
2,119

 
$
(1,128
)
 
$
992

 
$
9,723

 
$
(8,842
)
 
$
8,082

Additions:
 
 
 
 
 
 
 
 
 
 
 
 
 
Fixed charges:
 
 
 
 
 
 
 
 
 
 
 
 
 
Interest expense
15,895

 
16,893

 
66,473

 
67,229

 
72,694

 
72,687

 
63,950

Capitalized interest
425

 
83

 
738

 
857

 
1,352

 
2,347

 
6,672

 
16,320

 
16,976

 
67,211

 
68,086

 
74,046

 
75,034

 
70,622

Deductions:
 
 
 
 
 
 
 
 
 
 
 
 
 
Capitalized interest
(425
)
 
(83
)
 
(738
)
 
(857
)
 
(1,352
)
 
(2,347
)
 
(6,672
)
Net income attributable to noncontrolling interests
—

 
(23
)
 
(494
)
 
(133
)
 
(203
)
 
(211
)
 
(217
)
Adjusted earnings
$
21,076

 
$
18,989

 
$
64,851

 
$
68,088

 
$
82,214

 
$
63,634

 
$
71,815

Fixed charges (from above)
$
16,320

 
$
16,976

 
$
67,211

 
$
68,086

 
$
74,046

 
$
75,034

 
$
70,622

Ratio of earnings to fixed charges
1.29
x
 
1.12
x
 
(a)

 
1.00
x
 
1.11
x
 
(b)

 
1.02
x

(a) Due to WRIT's loss from continuing operations, the ratio was less than 1:1. WRIT must generate additional earnings of $2,360 to achieve a ratio of 1:1.
(b) Due to WRIT's loss from continuing operations, the ratio was less than 1:1. WRIT must generate additional earnings of $11,400 to achieve a ratio of 1:1.