EX-12.2 4 a2207400zex-12_2.htm EX-12.2
QuickLinks -- Click here to rapidly navigate through this document


Exhibit 12.2

COMMONWEALTH REIT
COMPUTATION OF RATIO OF EARNINGS TO COMBINED
FIXED CHARGES AND PREFERRED DISTRIBUTIONS
(dollars in thousands)

 
  Year Ended December 31,  
 
  2011   2010   2009   2008   2007  

Earnings:

                               

Income (loss) from continuing operations

  $ 61,809   $ (61,146 ) $ 67,350   $ 60,575   $ 71,861  

Equity in earnings and gains on equity transactions of investees

    (22,554 )   (43,272 )   (6,546 )        

Fixed charges before preferred distributions

    195,024     183,433     173,458     180,553     172,060  

Distributions from investees

    16,617     16,119     4,975          

Capitalized interest

                    (489 )
                       

Adjusted Earnings

  $ 250,896   $ 95,134   $ 239,237   $ 241,128   $ 243,432  
                       

Fixed Charges and Preferred Distributions:

                               

Interest expense (including net amortization of debt discounts, premiums and deferred financing fees)

  $ 195,024   $ 183,433   $ 173,458   $ 180,553   $ 171,571  

Capitalized interest

                    489  

Preferred distributions

    46,985     47,733     50,668     50,668     60,572  
                       

Combined Fixed Charges and Preferred Distributions

  $ 242,009   $ 231,166   $ 224,126   $ 231,221   $ 232,632  
                       

Ratio of Earnings to Combined Fixed Charges and Preferred Distributions

    1.0x     0.4x (1)   1.1x     1.0x     1.0x  
                       

(1)
The deficiency for this period was $136,032 and reflects a loss on asset impairment of $127,740.



QuickLinks