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Exhibit 12.1

Computation of Ratios of Earnings to Fixed Charges
(amounts in thousands)

	Year ended December 31, 2008			Year ended December 31, 2007(1)		Year ended December 31, 2006(1)		Year ended December 31, 2005(1)		Period from August 12, 2004 (Inception) through December 31, 2004(1)
(Loss) earnings:
(Loss) income before equity in income of unconsolidated affiliate and income tax expense	$	(1,077,601	)	$	205,000	$	120,868	$	69,777	$	(8,024	)
Add: Fixed charges from below		564,614			617,504		430,384		107,792		21
Total (loss) earnings before equity in income of unconsolidated affiliate, income tax expense and fixed charges	$	(512,987	)	$	822,504	$	551,252	$	177,569	$	(8,003	)
Fixed charges:
Interest expense(2)	$	564,614		$	617,504	$	430,384	$	107,792	$	21
Total fixed charges	$	564,614		$	617,504	$	430,384	$	107,792	$	21
Ratio of earnings to fixed charges		(3)			1.3x		1.3x		1.6x		(4)

(1)

Certain prior period information has been reclassified to conform to the current year's presentation.

(2)

Includes amortization of capitalized expenses relating to indebtedness.

(3)

Losses exceeded fixed charges by approximately $513.0 million for the year ended December 31, 2008.

(4)

Losses exceeded fixed charges by approximately $8.0 million for the period from August 12, 2004 (the date of inception) through December 31, 2004.

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Exhibit 12.1

Computation of Ratios of Earnings to Fixed Charges (amounts in thousands)