|                                                                                         |   | Year Ended December      31, |    |         | Twelve      Months Ended |         |   | Three      Months Ended  |    |
|----------------------------------------------------------------------------------------------|--------|------------------------------|---------|--------------|--------------------------|--------------|--------|-------------------------------|---------|
|                                                                                         |   | 2004                         |    | 2005         |                     | 2006         |   | 2007                          |    | 2008 |   |   | 3/31/2009 |   |   | 3/31/2009 |   |
|  EARNINGS                                                                               |   |                    |    |    |                     |    |   |                     |    |    |   |   |   |   |   |   |   |
| Income      Before Income Taxes and      Equity Earnings                                |   | $                            | 127,417 |         | $                        | 114,341      |   | $                             | 138,289 |   | $ | 87,333 |   | $ | 129,489 |   | $ | 141,424 |   | $  | 15,553 |   |
| Fixed      Charges (as below)                                                                |   |                         | 58,094  |         |                     | 55,808       |   |                          | 63,242  |   |   | 79,435 |   |   | 119,516 |   |   | 122,778 |   |   | 25,487 |   |
| Total      Earnings                                                                          |   | $                            | 185,511 |         | $                        | 170,149      |   | $                             | 201,531 |   | $ | 166,768 |   | $ | 249,005 |   | $  | 264,202 |   | $  | 41,040 |   |
|                                                                                         |   |                         |    |         |                     |         |   |                          |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| FIXED      CHARGES                                                                           |   |                         |    |         |                     |         |   |                          |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest      Expense                                                                        |   | $                            | 54,261  |         | $                        | 50,089       |   | $                             | 55,213  |   | $ | 60,619 |   | $ | 93,150 |   | $  | 92,307 |   | $  | 16,299 |   |
| Credit      for Allowance for Borrowed Funds         Used During Construction |   |                         | 312     |         |                     | 1,198        |   |                          | 2,208   |   |   | 9,795 |   |   | 19,800 |   |   | 23,860 |   |   | 7,513 |   |
| Trust      Dividends                                                                         |   |                         | (179    | )            |                     | (179         | )      |                          | (179    | ) |   | (179 | ) |   | (134 | )  |   | (89 | )  |   | - |   |
| Estimated      Interest Element in Lease Rentals                                             |   |                         | 3,700   |         |                     | 4,700        |   |                          | 6,000   |   |   | 9,200 |   |   | 6,700 |   |   | 6,700 |   |   | 1,675 |   |
| Total Fixed      Charges                                                                     |   | $                            | 58,094  |         | $                        | 55,808       |   | $                             | 63,242  |   | $ | 79,435 |   | $ | 119,516 |   | $  | 122,778 |   | $  | 25,487 |   |
|                                                                                         |   |                         |    |         |                     |         |   |                          |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio of Earnings to Fixed      Charges                                                      |   |                         | 3.19    |         |                     | 3.04         |   |                          | 3.18    |   |   | 2.09 |   |   | 2.08 |   |   | 2.15 |   |   | 1.61 |   |