Computation of Ratio of Earnings to Combined Fixed Charges and Preference Dividends
(In thousands, except ratios)

	Six Months Ended June 30,						Years Ended December 31,

	2013			2012			2012			2011		2010		2009			2008
Earnings:
Income (loss) before income taxes	$	68,968		$	(25,455	)	$	(67,066	)	$	5,399	$	3,412	$	(74,730	)	$	(221,636	)
Adjustments:
Equity investment (income) loss		(44	)		—			(373	)		—		—		—			—
Interest capitalized		(106,351	)		(3,436	)		(53,492	)		—		—		—			—

Income (loss) before income taxes, as adjusted	$	(37,427	)	$	(28,891	)	$	(120,931	)	$	5,399	$	3,412	$	(74,730	)	$	(221,636	)
Fixed charges		120,060			21,039			86,589			17,808		23,087		19,021			24,588

Total earnings	$	82,633		$	(7,852	)	$	(34,342	)	$	23,207	$	26,499	$	(55,709	)	$	(197,048	)

Fixed charges:
Interest expense and amortization of finance costs	$	118,600		$	20,663		$	85,372		$	17,373	$	22,655	$	18,590		$	24,182
Rental expense representative of interest factor		1,460			376			1,217			435		432		431			406

Total fixed charges	$	120,060		$	21,039		$	86,589		$	17,808	$	23,087	$	19,021		$	24,588

Ratio of earnings to fixed charges		—	⁽¹⁾		—	⁽³⁾		—	⁽⁵⁾		1.3		1.1		—	⁽⁷⁾		—	⁽⁸⁾

Total fixed charges	$	120,060		$	21,039		$	86,589		$	17,808	$	23,087	$	19,021		$	24,588
Pre-tax preferred dividend requirements		1,160			89,158			110,075			—		—		—			—

Total fixed charges plus preference dividends	$	121,220		$	110,197		$	196,664		$	17,808	$	23,087	$	19,021		$	24,588

Ratio of earnings to combined fixed charges and preference dividends		—	⁽²⁾		—	⁽⁴⁾		—	⁽⁶⁾		1.3		1.1		—	⁽⁷⁾		—	⁽⁸⁾

⁽¹⁾: Due to the Company's "Loss before income taxes, as adjusted" for the six months ended June 30, 2013, the ratio coverage was less than 1:1. The Company must generate additional earnings of $37.4 million to achieve a coverage ratio of 1:1.
⁽²⁾: Due to the Company's "Loss before income taxes, as adjusted" for the six months ended June 30, 2013, the ratio coverage was less than 1:1. The Company must generate additional earnings of $38.6 million to achieve a coverage ratio of 1:1.
⁽³⁾: Due to the Company's "Loss before income taxes, as adjusted" for the six months ended June 30, 2012, the ratio coverage was less than 1:1. The Company must generate additional earnings of $28.9 million to achieve a coverage ratio of 1:1.
⁽⁴⁾: Due to the Company's "Loss before income taxes, as adjusted" for the six months ended June 30, 2012, the ratio coverage was less than 1:1. The Company must generate additional earnings of $118.0 million to achieve a coverage ratio of 1:1.
⁽⁵⁾: Due to the Company's "Loss before income taxes, as adjusted" in 2012, the ratio coverage was less than 1:1. The Company must generate additional earnings of $120.9 million to achieve a coverage ratio of 1:1.
⁽⁶⁾: Due to the Company's "Loss before income taxes, as adjusted" in 2012, the ratio coverage was less than 1:1. The Company must generate additional earnings of $231.0 million to achieve a coverage ratio of 1:1.
⁽⁷⁾: Due to the Company's "Loss before income taxes, as adjusted" in 2009, the ratio coverage was less than 1:1. The Company must generate additional earnings of $74.7 million to achieve a coverage ratio of 1:1.
⁽⁸⁾: Due to the Company's "Loss before income taxes, as adjusted" in 2008, the ratio coverage was less than 1:1. The Company must generate additional earnings of $221.6 million to achieve a coverage ratio of 1:1.