**EXHIBIT 12.1**

**COMPUTATION OFRATIO OF EARNINGS TO FIXED CHARGES**

 

| ** **                                                                                         | ** ** | **Three Month**  | ** ** | ** **                                              | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** |
|----------------------------------------------------------------------------------------------------|------------|-----------------------|------------|---------------------------------------------------------|------------|------------|------------|------------|------------|------------|------------|------------|------------|
| ** **                                                                                         | ** ** | **Period Ended** | ** ** | ** **                                              | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** |
| ** **                                                                                         | ** ** | **March 31,**    | ** ** | **Fiscal years ended December 31,** | ** ** |
| ** **                                                                                         | ** ** | **2006**              | ** ** | **2005**                                                | ** ** | **2004**   | ** ** | **2003**   | ** ** | **2002**   | ** ** | **2001**   | ** ** |
| Income (loss) from  continuing operations, before taxes                                            |       |                  | $          | 53,478                                                  |       |       | $          | 27,886     |       | $          | 57,152     |       | $          | (26,796 | ) | $ | 69,608 |   | $ | 47,219 |   |
| Fixed charges:                                                                                     |       |                  |       |                                                    |       |       |       |       |       |       |       |       |       |   |   |
| Total interest  including amortization of debt discount and issue costs and amounts  capitalized   |       |                  | $          | 72,859                                                  |       |       | $          | 177,919    |       | $          | 146,026    |       | $          | 152,032 |   | $ | 153,280 |   | $ | 170,848 |   |
| Rentals                                                                                            |       |                  | 1,717      |                                                    |       | 4,715      |       | 5,383      |       | 3,660      |       | 3,174      |       | 3,499 |   |
| Total fixed charges                                                                                |       |                  | $          | 74,576                                                  |       |       | $          | 182,634    |       | $          | 151,409    |       | $          | 155,692 |   | $ | 156,454 |   | $ | 174,347 |   |
| Earnings before  income or loss from equity earnings plus fixed charges less capitalized  interest |       |                  | $          | 127,779                                                 |       |       | $          | 210,567    |       | $          | 208,656    |       | $          | 129,084 |   | $ | 225,981 |   | $ | 221,188 |   |
| Ratio of earnings to fixed charges (a)(b)                                                     |       |                  | 1.7        | x                                                       |       | 1.2        | x          | 1.4        | x          | —     |       | 1.4        | x          | 1.3 | x |

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(a)           Interest expense wasnot adjusted for the 2003 divestitures of AIMCOR and JW Aluminum.

(b)          Due to losses during thefiscal year ended December 31, 2003, the ratio coverage for that periodwas less than 1:1. The coverage deficiency was $26.6 million.

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