Exhibit 12.2

Calculation of Ratios of Earnings to Combined Fixed Charges and Preference Dividends

(in thousands)

	Six Months Ended June 30,						Year Ended December 31,
	2013			2012			2012			2011			2010			2009		2008
RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERENCE DIVIDENDS:
Pre-tax (loss) income from continuing operations before adjustment for income from equity investees	$	(70,410	)	$	(12,791	)	$	(109,039	)	$	(164,284	)	$	(1,056,850	)	$	52,260	$	(37,042	)
Fixed charges:
Interest expense (a)	$	114,085		$	106,258		$	217,325		$	203,971		$	139,435		$	106,798	$	101,132
Interest portion of rent expense (b)		6,777			6,334			12,791			10,585			9,747			9,316		8,555
Total fixed charges		120,862			112,592			230,116			214,556			149,182			116,114		109,687
Preference dividends		17,598			17,647			35,488			36,748			40,392			38,287		23,315
Total combined fixed charges and preference dividends	$	138,460		$	130,239		$	265,604		$	251,304		$	189,574		$	154,401	$	133,002
Total earnings (losses)	$	50,452		$	99,801		$	121,077		$	50,272		$	(907,668	)	$	168,374	$	72,645
Ratio of earnings to combined fixed charges and preference dividends		0.4x			0.8x			0.5x			0.2x			—			1.0x		0.5x
Ratio of coverage deficiency		(c)			(c)			(c)			(c)			(c)					(c)

(a) Interest expense includes the write-off and amortization of deferred financing costs and the write-off and amortization of non-cash discounts associated with our debt issuances.

(b) Includes approximately one-fourth of the rent expense for each period presented which management believes is a reasonable approximation of the interest component of such rentals.

(c) For the six months ended June 30, 2013 and 2012 and the years ended December 31, 2012, 2011, 2010 and 2008, our earnings were insufficient to fully cover our combined fixed charges and preference dividends. The amount of the coverage deficiency in such periods was $88.0 million, $30.4 million, $144.5 million, $201.0 million, $1.1 billion and $60.4 million, respectively.