Exhibit 12.1

Statement regarding computation of ratio

of earnings to fixed charges

(dollars in thousands) (unaudited)

	Year Ended December 31,										Nine Months Ended September 30,
	2002		2003		2004		2005		2006		2007
Earnings:
Pre-tax income from continuing operations before cumulative effect of accounting change	$	8,798	$	18,376	$	27,595	$	20,159	$	38,552	$	2,052
Fixed charges excluding capitalized interest		3,998		4,116		6,162		15,588		45,246		65,021
Earnings	$	12,796	$	22,492	$	33,757	$	35,747	$	83,798	$	67,073
Fixed charges:
Interest expense	$	3,998	$	4,116	$	6,162	$	15,588	$	45,246	$	65,021
Capitalized interest		71		155		107		3		1,001		1,212
Fixed charges	$	4,069	$	4,271	$	6,269	$	15,591	$	46,247	$	66,233
Ratio of earnings to fixed charges		3.1		5.3		5.4		2.3		1.8		1.0