Exhibit 12.1

Statement Regarding Computation of Ratio of Earnings to Fixed Charges



|                                                                                                    |  |                          |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|--------------------------------------------------------------------------------------------------- |  | ------------------------ | ----- | - | ---- | - | ----- | ---- |  | - | ----- | - |  | ---- | ----- | - |  | - | ----- | -
|                                                                                                    |  | Years Ended December 31, |      
|                                                                                                    |  | 2009                     |       |   | 2008 |   |       | 2007 |  |   | 2006  |   |  | 2005 |      
|                                                                                                    |  | (Dollars in millions)    |      
|Earnings calculation:                                                                               |  |                          |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|                                                                                                    |  |                          |       |   |     
|Income before income taxes                                                                          |  | $                        | 315.7 |   |      | $ | 241.1 |      |  | $ | 341.7 |   |  | $    | 309.7 |   |  | $ | 325.6 |  
|Fixed charges                                                                                       |  |                          | 191.8 |   |      |   | 156.8 |      |  |   | 147.0 |   |  |      | 121.9 |   |  |   | 107.9 |  
|                                                                                                    |  |                          |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|Earnings                                                                                            |  | $                        | 507.5 |   |      | $ | 397.9 |      |  | $ | 488.7 |   |  | $    | 431.6 |   |  | $ | 433.5 |  
|                                                                                                    |  |                          |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|                                                                                                    |  |                          |       |   |     
|Fixed charges calculation:                                                                          |  |                          |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|                                                                                                    |  |                          |       |   |     
|Other interest expense including capital lease interest but excluding senior notes and hybrid notes |  | $                        | 0.8   |   |      | $ | 1.2   |      |  | $ | 1.4   |   |  | $    | 1.0   |   |  | $ | 1.1   |  
|Amortization of senior notes                                                                        |  |                          | 17.6  |   |      |   | 17.6  |      |  |   | 17.5  |   |  |      | 17.5  |   |  |   | 17.5  |  
|Amortization of hybrid notes                                                                        |  |                          | 21.2  |   |      |   | 21.0  |      |  |   | 12.4  |   |  |      |      |   |  |   |      |  
|Interest credited                                                                                   |  |                          | 145.6 |   |      |   | 110.7 |      |  |   | 108.8 |   |  |      | 97.7  |   |  |   | 84.0  |  
|Portion of rental expense representing an interest factor (1)                                       |  |                          | 6.6   |   |      |   | 6.3   |      |  |   | 6.9   |   |  |      | 5.7   |   |  |   | 5.3   |  
|                                                                                                    |  |                          |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|Total fixed charges                                                                                 |  | $                        | 191.8 |   |      | $ | 156.8 |      |  | $ | 147.0 |   |  | $    | 121.9 |   |  | $ | 107.9 |  
|                                                                                                    |  |                          |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|Ratio of earnings to fixed charges                                                                  |  |                          | 2.6   | x |      |   | 2.5   | x    |  |   | 3.3   | x |  |      | 3.5   | x |  |   | 4.0   | x



|(1) | Interest portion of operating leases is assumed to be 28 percent.
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