Exhibit 12

WASHINGTON REAL ESTATE INVESTMENT TRUST

Computation of Ratio of Earnings to Fixed Charges

(In thousands)

 

     Q1 2009     Q1 2008     2008     2007     2006     2005     2004  

Income (loss) from continuing operations

   $ 10,483      $ (3,799   $ 8,948      $ 26,432      $ 33,779      $ 36,552      $ 37,407   

Additions:

              

Fixed charges

              

Interest expense

     19,681        18,900        75,041        66,336        47,873        36,821        33,284   

Capitalized interest

     323        831        2,347        6,672        3,782        1,127        703   
                                                        
     20,004        19,731        77,388        73,008        51,655        37,948        33,987   

Deductions:

              

Capitalized interest

     (323     (831     (2,347     (6,672     (3,782     (1,127     (703

Net income attributable to noncontrolling Interests

     (49     (57     (211     (217     (204     (172     (155
                                                        

Adjusted earnings

   $ 30,115      $ 15,044      $ 83,778      $ 92,551      $ 81,448      $ 73,201      $ 70,536   
                                                        

Fixed Charges (from above)

   $ 20,004      $ 19,731      $ 77,388      $ 73,008      $ 51,655      $ 37,948      $ 33,987   

Ratio of Earnings to Fixed Charges

     1.51        (a     1.08        1.27        1.58        1.93        2.08   

 

(a)

Due to our loss from continuing operations during the quarter ended March 31, 2008, the coverage ratio was less than 1:1. We required additional earnings of $4,687,000 to achieve a coverage of 1:1. The loss in the quarter ended March 31, 2008 included the impact of the loss on extinguishment of debt of $8,449,000.