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|                                                                                                                                                                   |   |                                                          |       |                                                        |   |                                                                                                |    |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|---------------------------------------------------------------|------------|-------------------------------------------------------------|--------|-----------------------------------------------------------------------------------------------------|---------|
|                                                                                                                                                                   |   | **FOR                                THE THREE MONTHS ENDED** |       | **FOR                                THE SIX MONTHS ENDED** |   | **FOR                                THE****TWELVE****MONTHS                                ENDED** |    |
| (THOUSANDS,                                EXCEPT RATIOS)                                                                                                              |   |                                                          |       | **JUNE                                30, 200****6**        |   |                                                                                                |    |
| Earnings                                from continuing operations                                                                                                     |   | **$**                                                         | **23,329** |                                                        | **$**  | **35,554**                                                                                          |    | **$** | **188,259** |   |
| Less:                                undistributed equity income from investees                                                                                        |   |                                                          | **11,533** |                                                        |   | **9,103**                                                                                           |    |   | **87,783** |   |
| Plus:                                income                                taxes                                                                                       |   |                                                          | **13,459** |                                                        |   | **19,573**                                                                                          |    |   | **116,981** |   |
| Earnings                                from continuing operations before income taxes                                                                                 |   | **$**                                                         | **25,255** |                                                        | **$**  | **46,024**                                                                                          |    | **$** | **217,457** |   |
| Fixed                                charges:                                                                                                                          |   |                                                          |       |                                                        |   |                                                                                                |    |   |   |   |
| Interest,                                long-term debt                                                                                                                |   | **$**                                                         | **10,551** |                                                        | **$**  | **20,912**                                                                                          |    | **$** | **37,540** |   |
| Interest,                                other (including interest on short-term debt)                                                                                 |   |                                                          | **401**    |                                                        |   | **764**                                                                                             |    |   | **1,541** |   |
| Amortization                                of debt expense, premium, net                                                                                              |   |                                                          | **451**    |                                                        |   | **903**                                                                                             |    |   | **1,887** |   |
| Portion                                of rentals representative of an interest factor                                                                                 |   |                                                          | **87**     |                                                        |   | **171**                                                                                             |    |   | **347** |   |
| Total                                fixed charges                                                                                                                     |   | **$**                                                         | **11,490** |                                                        | **$**  | **22,750**                                                                                          |    | **$** | **41,315** |   |
| Earnings                                from continuing operations before income taxes                                                                                 |   | **$**                                                         | **25,255** |                                                        | **$**  | **46,024**                                                                                          |    | **$** | **217,457** |   |
| Plus:                                total fixed charges from above                                                                                                    |   |                                                          | **11,490** |                                                        |   | **22,750**                                                                                          |    |   | **41,315** |   |
| Plus:                                amortization of capitalized interest                                                                                              |   |                                                          | **102**    |                                                        |   | **204**                                                                                             |    |   | **407** |   |
| Earnings                                from continuing operations before income taxes and                                fixed                                charges |   | **$**                                                         | **36,847** |                                                        | **$**  | **68,978**                                                                                          |    | **$** | **259,179** |   |
| Ratio                                of earnings to fixed charges                                                                                                      |   |                                                          | **3.21**   |  x                                                     |   | **3.03**                                                                                            |  x |   | **6.27** |  x |
| Total                                fixed charges from above                                                                                                          |   |                                                          | **11,490** |                                                        |   | **22,750**                                                                                          |    |   | **41,315** |   |
| Preferred                                stock dividends                                                                                                               |   |                                                          | **432**    |                                                        |   | **908**                                                                                             |    |   | **1,851** |   |
| Total                                fixed charges and preferred stock dividends                                                                                       |   |                                                          | **11,922** |                                                        |   | **23,658**                                                                                          |    |   | **43,166** |   |
| Ratio                                of earnings to combined fixed charges and preferred                                stock                                dividends |   |                                                          | **3.09**   |  x                                                     |   | **2.92**                                                                                            |  x |   | **6.00** |  x |

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