Exhibit 12.1
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
Six Months Ended June 30, 2012 | Year Ended December, 31 2011 | Year Ended December, 31 2010 | Year Ended December, 31 2009 | Year Ended December, 31 2008 | Year Ended December, 31 2007 | |||||||||||||||||||
Earnings | ||||||||||||||||||||||||
Income before taxes | 156,685 | 250,320 | 52,641 | (2,816 | ) | 3,206 | 145 | |||||||||||||||||
Add-back: Fixed charges | 2,603 | 6,061 | 18,331 | 4,956 | 7,044 | 5,786 | ||||||||||||||||||
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Earnings | 159,288 | 256,381 | 70,972 | 2,140 | 10,250 | 5,931 | ||||||||||||||||||
Fixed Charges | ||||||||||||||||||||||||
Interest Expense | 1,310 | 4,228 | 17,350 | 4,712 | 6,913 | 5,786 | ||||||||||||||||||
Interest in Rent expense | 1,293 | 1,833 | 981 | 244 | 131 | — | ||||||||||||||||||
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Fixed charges | 2,603 | 6,061 | 18,331 | 4,956 | 7,044 | 5,786 | ||||||||||||||||||
Ratio of earnings to fixed charges | 61.19 | 42.30 | 3.87 | 0.43 | 1.46 | 1.03 |