Exhibit 12.1
Computation of Ratio of Earnings to Fixed Charges
(in thousands)
| Nine months ended September 30, 2009 | Year ended December 31, 2008 | Year ended December 31, 2007 | Year ended December 31, 2006 | Year ended December 31, 2005 | Period May 13, to Dec. 31, 2004 | Period Jan. 1, to Sept. 30, 2004 | ||||||||||||||
Earnings: | ||||||||||||||||||||
Pretax income | 42,488 | (49,897 | ) | (233,855 | ) | (18,277 | ) | 49,299 | 7,020 | (107,663 | ) | |||||||||
Fixed charges | 41,020 | 52,147 | 45,365 | 21,417 | 16,199 | 3,865 | 115,483 | |||||||||||||
Amortization of capitalized interest | 327 | 255 | 32 | — | — | — | — | |||||||||||||
Capitalized interest | (191 | ) | (5,946 | ) | (5,057 | ) | (990 | ) | (293 | ) | — | — | ||||||||
Total earnings | 83,644 | (3,441 | ) | (193,515 | ) | 2,150 | 65,205 | 10,885 | 7,820 | |||||||||||
Fixed charges: | ||||||||||||||||||||
Interest expense | 35,813 | 46,737 | 35,923 | 17,303 | 13,356 | 3,187 | 114,211 | |||||||||||||
Amortized premiums, discounts and capitalized expenses related to indebtedness | 5,184 | 5,367 | 9,140 | 3,418 | 1,784 | 266 | — | |||||||||||||
Estimated interest expense within rental expense | 23 | 43 | 302 | 696 | 1,059 | 412 | 1,272 | |||||||||||||
Total fixed charges | 41,020 | 52,147 | 45,365 | 21,417 | 16,199 | 3,865 | 115,483 | |||||||||||||
Ratio of earnings to fixed charges | 2.04 | — | — | 0.10 | 4.03 | 2.82 | 0.07 | |||||||||||||
