Exhibit 12.2

STATEMENT OF COMPUTATION OF RATIO OF EARNINGS

TO FIXED CHARGES AND PREFERRED STOCK DIVIDENDS

(Unaudited)

	For the Years Ended December 31,
	2016			2015			2014			2013			2012
	(in thousands, except ratios)
Earnings (Loss):
Net income (loss)	$	(89,061	)	$	(459,507	)	$	50,953		$	49,342		$	(153,791	)
Add: Fixed Charges		38,522			34,796			32,138			16,598			2,340
Add: Amortization of capitalized interest		1,389		896				594			883			7,119
Less: Interest capitalized		(3,103	)		(3,879	)		(4,347	)		(3,284	)		(1,946	)
Net income (loss), as adjusted	$	(52,253	)	$	(427,694	)	$	79,338		$	63,539		$	(146,278	)
Fixed Charges:
Total interest expensed	$	33,368		$	30,981		$	28,851		$	14,130		$	1,992
Amortization of financing costs		4,981			3,584			3,067			2,322			224
Estimated interest portion of operating leases		173			231			220			146			124
Total fixed charges	$	38,522		$	34,796		$	32,138		$	16,598		$	2,340
Dividends on preferred stock(1)		22,266			22,266			22,191			14,428			10,888
Total fixed charges and dividends	$	60,788		$	57,062		$	54,329		$	31,026		$	13,228
Fixed Charges and Fixed Charge Ratio:
Earnings (deficiency) to fixed charges and    preferred stock dividends	$	(113,041	)	$	(484,756	)	$	25,009		$	32,513		$	(159,506	)
Earnings to fixed charges and preferred stock    dividends ratio		—			—		1.5x			2.0x				—

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(1) Computed as the dividend requirement divided by (1 minus the statutory tax rate).