**Exhibit 12.1**

**Statementof Computation of Ratio of Earnings to Fixed Charges**
| ** **                                | ** ** | ** **              | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | **Six Months** | ** ** |
|-------------------------------------------|------------|-------------------------|------------|------------|------------|------------|------------|------------|------------|---------------------|------------|
| ** **                                | ** ** | ** **              | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | **Ended**           | ** ** |
| ** **                                | ** ** | ** **              | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | **June 30,**   | ** ** |
| ** **                                | ** ** | **2002**                | ** ** | **2003**   | ** ** | **2004**   | ** ** | **2005**   | ** ** | **2006**            | ** ** |
| ** **                                | ** ** | ** **              | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** **          | ** ** |
| ** **                                | ** ** | **(in thousands)** | ** ** |
| **Earnings**                              | ** ** | ** **              | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** **          | ** ** |
| Income From Continuing  Operations *      |       | 105,882                 |       | 104,958    |       | 112,658    |       | 138,639    |       | 79,910              |       |
| Fixed Charges                             |       | 73,381                  |       | 93,294     |       | 80,695     |       | 93,414     |       | 49,088              |       |
| Distributed Income of Equity  Investments |       | 30,938                  |       | 28,003     |       | 47,213     |       | 37,085     |       | 16,297              |       |
| Capitalized Interest                      |       | (4,345                  | )          | (5,290     | )          | (4,227     | )          | (6,759     | )          | (6,417              | )          |
| Total Earnings                            |       | 205,856                 |       | 220,965    |       | 236,339    |       | 262,379    |       | 138,878             |       |
|                                      |       |                    |       |       |       |       |       |       |       |                |       |
| **Fixed Charges**                         | ** ** | ** **              | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** **          | ** ** |
| Interest Expense                          |       | 66,192                  |       | 84,250     |       | 72,053     |       | 81,861     |       | 40,341              |       |
| Capitalized Interest                      |       | 4,345                   |       | 5,290      |       | 4,227      |       | 6,759      |       | 6,417               |       |
| Rental Interest Factor                    |       | 2,844                   |       | 3,754      |       | 4,415      |       | 4,794      |       | 2,330               |       |
| Total Fixed Charges                       |       | 73,381                  |       | 93,294     |       | 80,695     |       | 93,414     |       | 49,088              |       |
|                                      |       |                    |       |       |       |       |       |       |       |                |       |
| **Ratio: Earnings / Fixed Charges**       |       | 2.81                    |       | 2.37       |       | 2.93       |       | 2.81       |       | 2.83                |       |

 

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*         Excludes discontinuedoperations, gain on sale of assets and undistributed equity earnings.

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