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Exhibit 12.1

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

	Year ended December 31, 2012		Year ended December 31, 2011		Year ended December 31, 2010		Year ended December 31, 2009		Year ended December 31, 2008
Earnings (loss):
Income (loss) before equity in income of unconsolidated affiliate and income taxes	$	348,230	$	326,083	$	371,766	$	77,220	$	(1,077,601	)
Add: Fixed charges from below		216,608		183,067		156,852		289,374		564,614
Total earnings (loss) before equity in income of unconsolidated affiliate, income taxes and fixed charges	$	564,838	$	509,150	$	528,618	$	366,594	$	(512,987	)
Fixed charges:
Interest expense	$	216,608	$	183,067	$	156,852	$	289,374	$	564,614
Total fixed charges	$	216,608	$	183,067	$	156,852	$	289,374	$	564,614
Ratio of earnings to fixed charges		2.6x		2.8x		3.4x		1.3x		*

*

Losses exceeded fixed charges by approximately $513.0 million for the year ended December 31, 2008. The coverage deficiency for total fixed charges for the year ended December 31, 2008 was $1,077.6 million to arrive at a one-to-one ratio.

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Exhibit 12.1

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