**Exhibit12.1**

 

**Statement ofComputation of Ratio of Earnings to Fixed Charges (1)**

 
| ** **                                    | ** ** | **2000**           | ** ** | **2001** | ** ** | **2002** | ** ** | **2003** | ** ** | **2004** | ** ** | **Six Months  Ended  June 30  2005** | ** ** |
|-----------------------------------------------|------------|--------------------|------------|----------|------------|----------|------------|----------|------------|----------|------------|-------------------------------------------|------------|
| ** **                                    | ** ** | **(in thousands)** | ** ** |
| **Earnings**                                  |       |               |       |     |       |     |       |     |       |     |       |                                      |       |
| Income From Continuing Operations *           |       | 65,951             |       | 92,533   |       | 105,882  |       | 104,958  |       | 115,347  |       | 75,940                                    |       |
| Fixed Charges                                 |       | 51,062             |       | 68,217   |       | 73,381   |       | 93,294   |       | 80,695   |       | 45,498                                    |       |
| Distributed Income of  Equity Investment |       | —             |       | 40,800   |       | 30,938   |       | 28,003   |       | 47,213   |       | 19,047                                    |       |
| Capitalized Interest                          |       | (4,559             | )          | (4,000   | )          | (4,345   | )          | (5,290   | )          | (4,227   | )          | (2,255                                    | )          |
| Total Earnings                                |       | 112,454            |       | 197,550  |       | 205,856  |       | 220,965  |       | 239,028  |       | 138,230                                   |       |
|                                          |       |               |       |     |       |     |       |     |       |     |       |                                      |       |
| **Fixed Charges**                             |       |               |       |     |       |     |       |     |       |     |       |                                      |       |
| Interest Expense                              |       | 44,423             |       | 62,057   |       | 66,192   |       | 84,250   |       | 72,053   |       | 40,914                                    |       |
| Capitalized Interest                          |       | 4,559              |       | 4,000    |       | 4,345    |       | 5,290    |       | 4,227    |       | 2,255                                     |       |
| Rental Interest Factor                        |       | 2,080              |       | 2,160    |       | 2,844    |       | 3,754    |       | 4,415    |       | 2,329                                     |       |
| Total Fixed Charges                           |       | 51,062             |       | 68,217   |       | 73,381   |       | 93,294   |       | 80,695   |       | 45,498                                    |       |
|                                          |       |               |       |     |       |     |       |     |       |     |       |                                      |       |
| **Ratio: Earnings / Fixed Charges**           |       | 2.20               |       | 2.90     |       | 2.81     |       | 2.37     |       | 2.96     |       | 3.04                                      |       |

 

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* Excludes minority interest, extraordinaryloss, gain on sale of assets and undistributed equity earnings.

 

(1)          Amounts presented for the years 2000 through2004 have been modified from previous presentations.  The difference between the currentpresentation and previous presentations is not greater than 0.11 for any givenyear.

 

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