Exhibit 12.1

Calculation of Ratios of Earnings to Fixed Charges

	Year Ended December 31,
	2008			2007			2006			2005			2004
RATIO OF EARNINGS TO FIXED CHARGES:
Pre-tax (loss) income from continuing operations before adjustment for income from equity investees		(38,132	)		(248,767	)		(11,750	)		(12,390	)		(14,321	)
Fixed charges:
Interest expense (a)		101,144			83,025			26,570			21,795			22,114
Interest portion of rent expense (b)		8,845			4,351			2,956			2,504			1,849
Total fixed charges		109,989			87,376			29,526			24,299			23,963
Total earnings (loss)		71,857			(161,391	)		17,776			11,909			9,642
Ratio of earnings to fixed charges		0.7x			—			0.6x			0.5x			0.4x
Ratio of coverage deficiency		(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 and stock dividends.
(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)	Due to the loss from operations for the years ended December 31, 2008, 2007, 2006, 2005 and 2004, there were insufficient earnings of $38.1 million, $248.9 million, $11.8 million, $12.4 million and $14.3 million, respectively, to cover fixed charges.