|                                                                                         |   | Year Ended December      31, |    |         | Twelve      Months Ended |         |   | Six      Months Ended  |    |
|----------------------------------------------------------------------------------------------|--------|------------------------------|---------|--------------|--------------------------|--------------|--------|-----------------------------|---------|
|                                                                                         |   | 2004                         |    | 2005         |                     | 2006         |   | 2007                        |    | 2008 |   |   | 6/30/2009 |   |   | 6/30/2009 |   |
|  EARNINGS                                                                               |   |                    |    |    |                     |    |   |                   |    |    |   |   |   |   |   |   |   |
| Income      Before Income Taxes and      Equity Earnings                                |   | $                            | 127,417 |         | $                        | 114,341      |   | $                           | 138,289 |   | $ | 87,333 |   | $ | 129,489 |   | $ | 165,705 |   | $  | 58,165 |   |
| Fixed      Charges (as below)                                                                |   |                         | 58,094  |         |                     | 55,808       |   |                        | 63,242  |   |   | 79,435 |   |   | 119,516 |   |   | 126,633 |   |   | 52,364 |   |
| Total      Earnings                                                                          |   | $                            | 185,511 |         | $                        | 170,149      |   | $                           | 201,531 |   | $ | 166,768 |   | $ | 249,005 |   | $  | 292,338 |   | $  | 110,529 |   |
|                                                                                         |   |                         |    |         |                     |         |   |                        |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| FIXED      CHARGES                                                                           |   |                         |    |         |                     |         |   |                        |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest      Expense                                                                        |   | $                            | 54,261  |         | $                        | 50,089       |   | $                           | 55,213  |   | $ | 60,619 |   | $ | 93,150 |   | $  | 94,027 |   | $  | 35,289 |   |
| Credit      for Allowance for Borrowed Funds         Used During Construction |   |                         | 312     |         |                     | 1,198        |   |                        | 2,208   |   |   | 9,795 |   |   | 19,800 |   |   | 25,951 |   |   | 13,725 |   |
| Trust      Dividends                                                                         |   |                         | (179    | )            |                     | (179         | )      |                        | (179    | ) |   | (179 | ) |   | (134 | )  |   | (45 | )  |   | - |   |
| Estimated      Interest Element in Lease Rentals                                             |   |                         | 3,700   |         |                     | 4,700        |   |                        | 6,000   |   |   | 9,200 |   |   | 6,700 |   |   | 6,700 |   |   | 3,350 |   |
| Total Fixed      Charges                                                                     |   | $                            | 58,094  |         | $                        | 55,808       |   | $                           | 63,242  |   | $ | 79,435 |   | $ | 119,516 |   | $  | 126,633 |   | $  | 52,364 |   |
|                                                                                         |   |                         |    |         |                     |         |   |                        |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio of Earnings to Fixed      Charges                                                      |   |                         | 3.19    |         |                     | 3.04         |   |                        | 3.18    |   |   | 2.09 |   |   | 2.08 |   |   | 2.30 |   |   | 2.11 |   |