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

Earnings to fixed charges ratio:
 
Q3 2012
 
Q3 2011
 
YTD 2012
 
YTD 2011
Income from continuing operations
$
5,323

 
$
2,275

 
$
15,851

 
$
7,946

Additions:
 
 
 
 
 
 
 
   Fixed charges
 
 
 
 
 
 
 
       Interest expense
15,985

 
16,443

 
47,286

 
50,071

       Capitalized interest
392

 
236

 
1,250

 
400

 
16,377

 
16,679

 
48,536

 
50,471

Deductions:
 
 
 
 
 
 
 
       Capitalized interest
(392
)
 
(236
)
 
(1,250
)
 
(400
)
       Net income attributable to noncontrolling interests
—

 
(28
)
 
—

 
(85
)
Adjusted earnings
21,308

 
18,690

 
63,137

 
57,932

Fixed charges (from above)
$
16,377

 
$
16,679

 
$
48,536

 
$
50,471

Ratio of earnings to fixed charges
1.30

 
1.12

 
1.30

 
1.15


Debt service coverage ratio:
 
Q3 2012
 
Q3 2011
 
YTD 2012
 
YTD 2011
Net income attributable to the controlling interests
$
9,561

 
$
63,008

 
$
20,750

 
$
74,195

Additions:
 
 
 
 
 
 
 
       Interest expense
16,049

 
16,739

 
47,477

 
50,962

       Real estate depreciation and amortization
26,218

 
24,422

 
77,803

 
75,130

       Income tax expense
17

 
(27
)
 
188

 
1,146

       Real estate impairment
—

 
—

 
—

 
599

       Non-real estate depreciation
254

 
243

 
783

 
759

 
42,538

 
41,377

 
126,251

 
128,596

Deductions:
 
 
 
 
 
 
 
       Loss on extinguishment of debt
—

 
—

 
—

 
—

       Gain on sale of real estate
(3,724
)
 
(56,639
)
 
(3,724
)
 
(56,639
)
Adjusted EBITDA
48,375

 
47,746

 
143,277

 
146,152

Debt service
 
 
 
 
 
 
 
       Interest expense
16,049

 
16,739

 
47,477

 
50,962

       Principal amortization
1,250

 
1,142

 
4,150

 
3,189

 
$
17,299

 
$
17,881

 
$
51,627

 
$
54,151

Debt service coverage ratio
2.80

 
2.67

 
2.78

 
2.70