Exhibit 12

STATEMENT REGARDING COMPUTATION OF CONSOLIDATED RATIOS OF EARNINGS/DEFICIENCIES TO FIXED CHARGES

(dollars in thousands)

	Fiscal Year Ended December 31,
	2014			2013			2012			2011			2010			2009
Earnings (loss):
Pre-tax loss from continuing operations before adjustment for loss from equity investee	$	(400,604	)	$	(91,920	)	$	(112,064	)	$	(54,144	)	$	(35,362	)	$	(42,098	)
add: Fixed charges (see below)		1,719			678			1,188			1,207			1,207			712
Pre-tax loss from continuing operations before adjustment for income/loss from equity investees plus fixed charges	$	(398,885	)	$	(91,242	)	$	(110,876	)	$	(52,937	)	$	(34,155	)	$	(41,386	)
Fixed charges:
Interest expense on portion of rent expense representative of interest	$	1,719		$	678		$	1,188		$	1,207		$	1,207		$	712
Total fixed charges	$	1,719		$	678		$	1,188		$	1,207		$	1,207		$	712
Ratio of earnings to fixed charges		—			—			—			—			—			—
Deficiency of earnings available to cover fixed charges	$	(400,604	)	$	(91,920	)	$	(112,064	)	$	(54,144	)	$	(35,362	)	$	(42,098	)