**Exhibit 12.1**

 

**Computation ofRatio of Earnings to Fixed Charges**

**(inthousands)**

** **
| ** **                                                                                           | ** ** | **Successor**                          | ** ** | **Predecessor**                                            | ** ** |
|------------------------------------------------------------------------------------------------------|------------|----------------------------------------|------------|------------------------------------------------------------|------------|
| ** **                                                                                           | ** ** | ** **                             | ** ** | ** **                                                 | ** ** | ** ** | ** ** | **Year Ended December 31,** | ** ** |
| ** **                                                                                           | ** ** | **Year Ended  December 31,** | ** ** | **November 4, 2006  through  December 31,** | ** ** | **January 1, 2006  through  November 3,** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** |
| ** **                                                                                           | ** ** | **2007**                               | ** ** | **2006**                                                   | ** ** | **2006** | ** ** | **2005** | ** ** | **2004** | ** ** | **2003** | ** ** |
| **Earnings:**                                                                                        | ** ** | ** **                             | ** ** | ** **                                                 | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** |
| Income (loss) from continuing operations before  income taxes and minority interests                 |       | $                                      | (124,510   | )                                                          | $          | (50,313 | ) | $ | (57,456 | ) | $ | 15,548 |   | $ | 8,502 |   | $ | (2,277 | ) |
| Plus: Fixed charges                                                                                  |       | 88,558                                 |       | 8,853                                                      |       | 36,106 |   | 29,452 |   | 7,474 |   | 5,579 |   |
| Less: Interest expense capitalized                                                                   |       | (160                                   | )          | (36                                                        | )          | (85 | ) | (193 | ) | — |   | — |   |
| Less: Minority interests in pretax income from  continuing operations with no incurred fixed charges |       | (415                                   | )          | (39                                                        | )          | (158 | ) | (140 | ) | (95 | ) | — |   |
| Earnings (loss)from continuing operations, adjusted                                                  |       | $                                      | (36,527    | )                                                          | $          | (41,535 | ) | $ | (21,593 | ) | $ | 44,667 |   | $ | 15,881 |   | $ | 3,302 |   |
|                                                                                                 |       |                                   |       |                                                       |       |   |   |   |   |   |   |   |   |
| **Fixed Charges:**                                                                                   |       |                                   |       |                                                       |       |   |   |   |   |   |   |   |   |
| ** **                                                                                           |       |                                   |       |                                                       |       |   |   |   |   |   |   |   |   |
| Interest expensed and capitalized                                                                    |       | $                                      | 87,108     |                                                       | $          | 8,647 |   | $ | 35,247 |   | $ | 28,702 |   | $ | 7,068 |   | $ | 5,287 |   |
|                                                                                                 |       |                                   |       |                                                       |       |   |   |   |   |   |   |   |   |
| Estimated interest within rental expense                                                             |       | 1,450                                  |       | 206                                                        |       | 859 |   | 750 |   | 406 |   | 292 |   |
|                                                                                                 |       |                                   |       |                                                       |       |   |   |   |   |   |   |   |   |
| Total fixed charges                                                                                  |       | $                                      | 88,558     |                                                       | $          | 8,853 |   | $ | 36,106 |   | $ | 29,452 |   | $ | 7,474 |   | $ | 5,579 |   |
|                                                                                                 |       |                                   |       |                                                       |       |   |   |   |   |   |   |   |   |
| **Ratio of earnings to fixed charges**                                                               |       | —                                 |       | —                                                     |       | — |   | 1.52 |   | 2.12 |   | — |   |
|                                                                                                 |       |                                   |       |                                                       |       |   |   |   |   |   |   |   |   |
| Shortfall                                                                                            |       | (125,085                               | )          | (50,388                                                    | )          | (57,699 | ) | — |   | — |   | (2,277 | ) |

** **

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