Equity Commonwealth (EQC) 10-Q 2012 Q3 Quarterly report

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,
	2012			2011			2010			2009			2008		2007
Earnings:
Income (loss) from continuing operations before income tax expense	$	67,292		$	63,156		$	(60,596	)	$	68,085		$	61,348	$	72,256
Equity in earnings and gains on equity transactions of investees	(8,655		)	(22,554		)	(43,272		)	(6,546		)	—		—
Fixed charges before preferred distributions	150,481			195,024			183,433			173,458			180,553		172,060
Distributions from investees	12,537			16,617			16,119			4,975			—		—
Capitalized interest	—			—			—			—			—		(489		)
Adjusted Earnings	$	221,655		$	252,243		$	95,684		$	239,972		$	241,901	$	243,827
Fixed Charges and
Preferred Distributions:
Interest expense (including net amortization of debt discounts, premiums and deferred financing fees)	$	150,481		$	195,024		$	183,433		$	173,458		$	180,553	$	171,571
Capitalized interest	—			—			—			—			—		489
Preferred distributions	40,401			46,985			47,733			50,668			50,668		60,572
Combined Fixed Charges and Preferred Distributions	$	190,882		$	242,009		$	231,166		$	224,126		$	231,221	$	232,632
Ratio of Earnings to Combined Fixed Charges and Preferred Distributions	1.2x			1.0x			0.4x		(1)	1.1x			1.0x		1.0x

(1) The deficiency for this period was $135,482 and reflects a loss on asset impairment of $127,740.