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| Fixed                                Charges and Preferred Stock Dividends                                                                                                   |   |                                                                                                |        |   |   |                                                           |   |   |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-----------------------------------------------------------------------------------------------------|-------------|--------|--------|----------------------------------------------------------------|--------|--------|
|                                                                                                                                                                         |   | **FOR                                  THE THREE****MONTHS                                  ENDED** |             |   |   | **FOR                                  THE NINE MONTHS ENDED** |   |   |   | **FOR                                  THE****TWELVE****MONTHS                                  ENDED** |   |
| (THOUSANDS,                                  EXCEPT RATIOS)                                                                                                                  |   |  **SEPTEMBER****30, 2006**                                                                     |
| Earnings                                  from continuing operations                                                                                                         | **$**  | **27,980**                                                                                          |        |   | **$**  | **63,535**                                                     |   |   | **$** | **65,783** |   |
| Less:                                  undistributed equity income (loss) from investees                                                                                     |   | **(1,453**                                                                                          | **)**  |   |   | **7,650**                                                      |   |   |   | **(109,103** | **)** |
| Plus:                                  income                                  taxes                                                                                         |   | **19,350**                                                                                          |        |   |   | **38,923**                                                     |   |   |   | **46,762** |   |
| Earnings                                  from continuing operations before income taxes                                                                                     | **$**  | **48,783**                                                                                          |        |   | **$**  | **94,808**                                                     |   |   | **$** | **221,648** |   |
| Fixed                                  charges:                                                                                                                              |   |                                                                                                |        |   |   |                                                           |   |   |   |   |   |
| Interest,                                  long-term debt                                                                                                                    | **$**  | **9,934**                                                                                           |        |   | **$**  | **30,272**                                                     |   |   | **$** | **38,706** |   |
| Interest,                                  other (including interest on short-term debt)                                                                                     |   | **679**                                                                                             |        |   |   | **2,017**                                                      |   |   |   | **1,879** |   |
| Amortization                                  of debt expense, premium, net                                                                                                  |   | **481**                                                                                             |        |   |   | **1,384**                                                      |   |   |   | **1,941** |   |
| Portion                                  of rentals representative of an interest factor                                                                                     |   | **85**                                                                                              |        |   |   | **252**                                                        |   |   |   | **341** |   |
| Total                                  fixed charges                                                                                                                         | **$**  | **11,179**                                                                                          |        |   | **$**  | **33,925**                                                     |   |   | **$** | **42,867** |   |
| Earnings                                  from continuing operations before income taxes                                                                                     | **$**  | **48,783**                                                                                          |        |   | **$**  | **94,808**                                                     |   |   | **$** | **221,648** |   |
| Plus:                                  total fixed charges from above                                                                                                        |   | **11,179**                                                                                          |        |   |   | **33,925**                                                     |   |   |   | **42,867** |   |
| Plus:                                  amortization of capitalized interest                                                                                                  |   | **102**                                                                                             |        |   |   | **305**                                                        |   |   |   | **407** |   |
| Earnings                                  from continuing operations before income taxes                                  and fixed                                  charges | **$**  | **60,064**                                                                                          |        |   | **$**  | **129,038**                                                    |   |   | **$** | **264,922** |   |
| Ratio                                  of earnings to fixed charges                                                                                                          |   | **5.37**                                                                                            | x           |   |   | **3.80**                                                       | x      |   |   | **6.18** |  x |
| Total                                  fixed charges from above                                                                                                              |   | **11,179**                                                                                          |        |   |   | **33,925**                                                     |   |   |   | **42,867** |   |
| Preferred                                  stock dividends                                                                                                                   |   | **432**                                                                                             |        |   |   | **1,342**                                                      |   |   |   | **1,817** |   |
| Total                                  fixed charges and preferred stock dividends                                                                                           |   | **11,611**                                                                                          |        |   |   | **35,267**                                                     |   |   |   | **44,684** |   |
| Ratio                                  of earnings to combined fixed charges and preferred                                  stock                                  dividends |   | **5.17**                                                                                            | x           |   |   | **3.66**                                                       | x      |   |   | **5.93** |  x |

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