Exhibit 12.1
Computation of Ratio of Earnings to Fixed Charges
Computation of Ratio of Earnings to Fixed Charges and Preferred Stock Dividends
                                         
    For the Year Ended December 31,
(in millions, except ratios)   2004   2005   2006   2007   2008
Earnings:
                                       
Pretax income from continuing operations
    (708.0 )     (860.7 )     (1,102.8 )     (562.8 )     (5,310.8 )
Minority Interest
                             
Equity method losses
          6.9       4.4             30.5  
Interest expense, net of amounts capitalized
    41.4       45.4       64.0       70.3       144.8  
Amortization of capitalized interest
    11.7       11.7       11.7       11.7       11.7  
Estimate of the interest component of rent expense
    1.5       1.6       1.7       1.8       5.2  
 
                                       
Total Earnings
    (653.4 )     (795.1 )     (1,021.0 )     (479.0 )     (5,118.6 )
 
                                       
 
                                       
Fixed Charges:
                                       
Interest expense, net of amounts capitalized
    41.4       45.4       64.0       70.3       144.8  
Capitalized interest
                4.2       8.9       20.9  
Estimate of the interest component of rent expense
    1.5       1.6       1.7       1.8       5.2  
 
                                       
Total Fixed Charges
    42.9       47.0       69.9       81.0       170.9  
 
                                       
 
                                       
Ratio of Earnings to Fixed Charges (1)
                             
Deficiency in Earnings to Fixed Charges
    696.3       842.1       1,090.9       560.0       5,289.5  
 
                                       
Fixed Charges and Preferred Stock Dividends:
                                       
Fixed Charges
    42.9       47.0       69.9       81.0       170.9  
Preferred dividend requirements
                             
 
                                       
Total Fixed Charges and Preferred Stock Dividends
    42.9       47.0       69.9       81.0       170.9  
 
                                       
 
                                       
Ratio of Earnings to combined Fixed Charges and Preferred Stock Dividends (2)
                             
Deficiency of Earnings to combined Fixed Charges and Preferred Stock Dividends
    696.3       842.1       1,090.9       560.0       5,289.5  
 
(1)   No figure is provided for any period during which the applicable ratio was less than 1.00. Therefore earnings available for fixed charges were inadequate to cover fixed charges for these periods.
 
(2)   No figure is provided for any period during which the applicable ratio was less than 1.00. Therefore earnings available for fixed charges and preferred stock dividends were inadequate to cover fixed charges and preferred stock dividends for these periods.