Exhibit 12.2

COMMONWEALTH REIT

COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED DISTRIBUTIONS

(dollars in thousands)

	Nine Months Ended
	September 30,			Year Ended December 31,
	2013			2012 (1)			2011 (1)			2010 (1)			2009 (1)			2008 (1)
Earnings:
Income from continuing operations before income tax expense	$	67,131		$	85,209		$	57,754		$	14,449		$	50,960		$	21,874
Equity in earnings and gains on equity transactions of investees	(14,913		)	(18,666		)	(22,554		)	(43,272		)	(6,546		)	—
Fixed charges before preferred distributions	135,778			204,244			195,024			183,433			173,458			180,553
Distributions from investees	13,959			16,816			16,617			16,119			4,975			—
Adjusted Earnings	$	201,955		$	287,603		$	246,841		$	170,729		$	222,847		$	202,427
Fixed Charges and Preferred Distributions:
Interest expense (including net amortization of debt discounts, premiums and deferred financing fees)	$	135,778		$	204,244		$	195,024		$	183,433		$	173,458		$	180,553
Preferred distributions	33,453			51,552			46,985			47,733			50,668			50,668
Combined Fixed Charges and Preferred Distributions	$	169,231		$	255,796		$	242,009		$	231,166		$	224,126		$	231,221
Ratio of Earnings to Combined Fixed Charges and Preferred Distributions	1.2x			1.1x			1.0x			0.7x		(2)	1.0x		(3)	0.9x		(3)

(1) Reclassifications have been made to the prior years’ financial statements to conform to the current year’s presentation.

(2) The deficiency for this period was $60,437 and primarily reflects a loss on asset impairment of $25,283 and acquisition related costs of $20,875.

(3) The deficiency for the years ended December 31, 2009 and 2008 was $1,279 and $28,794, respectively.