|                                                                               |   | 2009           |     |   | 2008   |   |       | 2007   |   |   | 2006          |   |   | 2005   |          |
|------------------------------------------------------------------------------------|--------|----------------|----------|--------|--------|--------|------------|--------|--------|--------|---------------|--------|--------|--------|---------------|
|                                                                               |   | (In thousands) |     |
| Earnings:                                                                          |   |           |     |   |   |   |       |   |   |   |          |   |   |   |          |
| Income from continuing operations before income taxes                              |   | $              | (173,767 | )      |   | $      | (1,187,093 | )      |   | $      | 98,835        |   |   | $      | (26,626       | ) |   | $ | 427,362 |   |
| Add: Total fixed charges (see below)                                               |   |           | 181,094  |   |   |   | 158,414    |   |   |   | 146,919       |   |   |   | 65,584        |   |   |   | 63,415 |   |
| Less: Interest capitalized                                                         |   |           | (2,619   | )      |   |   | (5,288     | )      |   |   | (5,736        | )      |   |   | (4,298        | ) |   |   | (2,821 | ) |
|                                                                               |   |           |     |   |   |   |       |   |   |   |          |   |   |   |          |   |   |   |   |   |
| Total earnings                                                                     |   | $              | 4,708    |   |   | $      | (1,033,967 | )      |   | $      | 240,018       |   |   | $      | 34,660        |   |   | $ | 487,956 |   |
|                                                                               |   |           |     |   |   |   |       |   |   |   |          |   |   |   |          |   |   |   |   |   |
| Fixed charges:                                                                     |   |           |     |   |   |   |       |   |   |   |          |   |   |   |          |   |   |   |   |   |
| Interest (a)                                                                       |   | $              | 164,548  |   |   | $      | 139,508    |   |   | $      | 128,919       |   |   | $      | 53,311        |   |   | $ | 51,106 |   |
| Portion of non-cancellable lease expense representative of the interest factor (b) |   |           | 16,546   |   |   |   | 18,906     |   |   |   |   18,000 |   |   |   |   12,273 |   |   |   |   12,309 |   |
|                                                                               |   |           |     |   |   |   |       |   |   |   |          |   |   |   |          |   |   |   |   |   |
| Total fixed charges                                                                |   | $              | 181,094  |   |   | $      | 158,414    |   |   | $      | 146,919       |   |   | $      | 65,584        |   |   | $ | 63,415 |   |
|                                                                               |   |           |     |   |   |   |       |   |   |   |          |   |   |   |          |   |   |   |   |   |
| Ratio of earnings to fixed charges                                                 |   | (e)            |     |   | (d)    |   |       |   | 1.63   |   |          | (c)    |   |   |          | 7.69 |   |
|                                                                               |   |
| (a)    | Interest includes amortization of capitalized financing fees.                                      |   |
|--------|----------------------------------------------------------------------------------------------------|--------|
|   |                                                                                               |   |
| (b)    | One-third of non-cancellable lease expense is assumed to be representative of the interest factor. |   |
|   |                                                                                               |   |
| (c)    | Earnings were insufficient to cover fixed charges by $30.9 million.                                |   |
|   |                                                                                               |   |
| (d)    | Earnings were insufficient to cover fixed charges by $1,192.4 million.                             |   |
|   |                                                                                               |   |
| (e)    | Earnings were insufficient to cover fixed charges by $176.4 million.                               |   |