Exhibit 12



Computation of Ratio of Earnings (Loss) to Fixed Charges



(In Millions Except Ratios)



|                                                                |  |      |         |      |   |       |  |      |       |  |      |          |   |  |   |       |  
|--------------------------------------------------------------- |  | ---- | ------- | ---- | - | ----- |  | ---- | ----- |  | ---- | -------- | - |  | - | ----- | -
|YEAR ENDED DECEMBER 31                                          |  | 2004 |         | 2003 |   | 2002  |  | 2001 |       |  | 2000 |         
|EARNINGS (LOSS)                                                 |  |      |         |      |   |       |  |      |       |  |      |          |   |  |   |       |  
|Income (Loss) from Continuing Operations before Income Taxes    |  | $    | 892.9   |      | $ | 380.1 |  | $    | 299.5 |  | $    | (1,608.6 | ) |  | $ | (82.0 | )
|Total Fixed Charges                                             |  |      | 108.2   |      |   | 127.5 |  |      | 132.8 |  |      | 144.3    |   |  |   | 151.5 |  
|Less Interest Capitalized                                       |  |      |        |      |   |      |  |      |      |  |      | (8.3     | ) |  |   | (6.1  | )
|                                                                |  |      |         |      |   |       |  |      |       |  |      |          |   |  |   |       |  
|Total Earnings (Loss)                                           |  | $    | 1,001.1 |      | $ | 507.6 |  | $    | 432.3 |  | $    | (1,472.6 | ) |  | $ | 63.4  |  
|                                                                |  |      |         |      |   |       |  |      |       |  |      |          |   |  |   |       |  
|FIXED CHARGES                                                   |  |      |         |      |   |       |  |      |       |  |      |          |   |  |   |       |  
|Interest                                                        |  | $    | 108.2   |      | $ | 127.1 |  | $    | 131.5 |  | $    | 134.8    |   |  | $ | 144.4 |  
|Interest Capitalized                                            |  |      |        |      |   |      |  |      |      |  |      | 8.3      |   |  |   | 6.1   |  
|Amortization of Deferred Debt Expense                           |  |      |        |      |   | 0.4   |  |      | 1.3   |  |      | 1.2      |   |  |   | 1.0   |  
|                                                                |  |      |         |      |   |       |  |      |       |  |      |          |   |  |   |       |  
|Total Fixed Charges                                             |  | $    | 108.2   |      | $ | 127.5 |  | $    | 132.8 |  | $    | 144.3    |   |  | $ | 151.5 |  
|                                                                |  |      |         |      |   |       |  |      |       |  |      |          |   |  |   |       |  
|RATIO OF EARNINGS (LOSS) TO FIXED CHARGES                       |  |      | 9.25    |      |   | 3.98  |  |      | 3.26  |  |      |         |   |  |   | 0.42  |  
|Dollar Amount of Deficiency in Earnings (Loss) to Fixed Charges |  |      | N/A     |      |   | N/A   |  |      | N/A   |  | $    | 1,616.9  |   |  | $ | 88.1  |