EX-12.1 2 d271778dex121.htm RATIO OF EARNINGS TO FIXED CHARGES Ratio of Earnings to Fixed Charges

Exhibit 12.1

RATIO OF EARNINGS TO FIXED CHARGES

 

     Years Ended December 31,  
     2011      2010      2009      2008      2007  

Ratio of Earnings to Fixed Charges*

      10.1x         27.4x         100.2x         16.4x         102.1x   

 

* For purposes of calculating these ratios, “Earnings” consists of (x) earnings from continuing operations, before income taxes, (y) fixed charges and (z) amortization of any capitalized interest, and “Fixed Charges” consists of (x) interest expensed and capitalized, (y) amortized premiums, discounts and capitalized expenses related to indebtedness and (z) an estimate of the interest within rental expense.