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

Earnings to fixed charges ratio:
 
Q1 2013
 
Q1 2012
Income from continuing operations
$
3,955

 
$
4,834

Additions:
 
 
 
   Fixed charges
 
 
 
       Interest expense
16,518

 
15,831

       Capitalized interest
293

 
425

 
16,811

 
16,256

Deductions:
 
 
 
       Capitalized interest
(293
)
 
(425
)
Adjusted earnings
20,473

 
20,665

Fixed charges (from above)
$
16,811

 
$
16,256

Ratio of earnings to fixed charges
1.22

 
1.27


Debt service coverage ratio:
 
Q1 2013
 
Q1 2012
Net income attributable to the controlling interests
$
7,335

 
$
5,181

Additions:
 
 
 
       Interest expense
16,518

 
15,895

       Real estate depreciation and amortization
25,524

 
25,994

       Income tax expense
—

 
13

       Non-real estate depreciation
196

 
268

 
42,238

 
42,170

Deductions:
 
 
 
       Gain on sale of real estate
(3,195
)
 
—

Adjusted EBITDA
46,378

 
47,351

Debt service
 
 
 
       Interest expense
16,518

 
15,895

       Principal amortization
832

 
1,453

 
$
17,350

 
$
17,348

Debt service coverage ratio
2.67

 
2.73