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|                                                                                                        |   |                                                                |       |                                          |   |                                                                 |    |
|-------------------------------------------------------------------------------------------------------------|--------|---------------------------------------------------------------------|------------|-----------------------------------------------|--------|----------------------------------------------------------------------|---------|
|                                                                                                        |   | **FOR                  THE THREE****MONTHS                  ENDED** |       | **FOR                  THE SIX MONTHS ENDED** |   | **FOR                  THE TWELVE****MONTHS                  ENDED** |    |
| (THOUSANDS,                  EXCEPT RATIOS)                                                                 |   |                                                                |       | **JUNE****30, 2006**                          |   |                                                                 |    |
| Earnings                  from continuing operations                                                        |   | **$**                                                               | **17,047** |                                          | **$**  | **30,921**                                                           |    | **$** | **65,068** |   |
| Income                  taxes                                                                               |   |                                                                | **7,802**  |                                          |   | **14,859**                                                           |    |   | **36,897** |   |
| Earnings                  from continuing operations before income taxes                                    |   | **$**                                                               | **24,849** |                                          | **$**  | **45,780**                                                           |    | **$** | **101,965** |   |
| Fixed                  charges:                                                                             |   |                                                                |       |                                          |   |                                                                 |    |   |   |   |
| Interest,                  long-term debt                                                                   |   | **$**                                                               | **8,801**  |                                          | **$**  | **17,412**                                                           |    | **$** | **30,514** |   |
| Interest,                  other (including interest on short-term debt)                                    |   |                                                                | **302**    |                                          |   | **584**                                                              |    |   | **1,169** |   |
| Amortization                  of debt expense, premium, net                                                 |   |                                                                | **313**    |                                          |   | **627**                                                              |    |   | **1,336** |   |
| Portion                  of rentals representative of an interest factor                                    |   |                                                                | **87**     |                                          |   | **171**                                                              |    |   | **347** |   |
| Total                  fixed charges                                                                        |   | **$**                                                               | **9,503**  |                                          | **$**  | **18,794**                                                           |    | **$** | **33,366** |   |
| Earnings                  from continuing operations before income taxes                                    |   | **$**                                                               | **24,849** |                                          | **$**  | **45,780**                                                           |    | **$** | **101,965** |   |
| Plus:                  total fixed charges from above                                                       |   |                                                                | **9,503**  |                                          |   | **18,794**                                                           |    |   | **33,366** |   |
| Earnings                  from continuing operations before income taxes and fixed                  charges |   | **$**                                                               | **34,352** |                                          | **$**  | **64,574**                                                           |    | **$** | **135,331** |   |
| Ratio                  of earnings to fixed charges                                                         |   |                                                                | **3.61**   |  x                                       |   | **3.44**                                                             |  x |   | **4.06** |  x |

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