----

|                                                                     |   | Successor         |    |         | Predecessor |
|--------------------------------------------------------------------------|--------|-------------------|---------|--------------|-------------|
|                                                                     |   | Twelve            |    | Twelve       |        | Twelve |   |   |   |   |   |   | Twelve |   |
|                                                                     |   | Months            |    | Months       |        | Months |   | Eight Months |   |   | Four Months |   | Months |   |
|                                                                     |   | Ended             |    | Ended        |        | Ended |   | Ended |   |   | Ended |   | Ended |   |
|                                                                     |   | December 31, |    | December 31, |        | December 31, |   | December 31, |   |   | April 30, |   | December 31, |   |
|                                                                     |   | 2007              |    | 2006         |        | 2005 |   | 2004 |   |   | 2004 |   | 2003 |   |
| Earnings:                                                                |   |              |    |         |        |   |   |   |   |   |   |   |   |   |
| Income      (loss) before income taxes                                   |   | $                 | (71,859 | )            | $           | (53,320 | ) | $ | (26,621 | ) | $ | 2,767 |   |   | $ | 107,989 |   | $ | (59,652 | ) |
| Fixed      Charges                                                       |   |              | 22,757  |         |        | 17,751 |   |   | 13,316 |   |   | 5,918 |   |   |   | 678 |   |   | 18,745 |   |
| Total      Earnings                                                      |   |              | (49,102 | )            |        | (35,569 | ) |   | (13,305 | ) |   | 8,685 |   |   |   | 108,667 |   |   | (40,907 | ) |
| Fixed      Charges:                                                      |   |              |    |         |        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|     Interest expense, including amortization      of |   |              |    |         |        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|         debt issue costs                                       |   |              | 19,764  |         |        | 16,782 |   |   | 12,892 |   |   | 5,733 |   |   |   | 567 |   |   | 18,536 |   |
|          Estimated interest factor of rental              |   |              |    |         |        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|    expense                                                |   |              | 2,993   |         |        | 969 |   |   | 424 |   |   | 185 |   |   |   | 111 |   |   | 209 |   |
| Total      fixed charges                                                 |   |              | 22,757  |         |        | 17,751 |   |   | 13,316 |   |   | 5,918 |   |   |   | 678 |   |   | 18,745 |   |
| Preferred      dividends                                                 |   |              | — |         |        | — |   |   | — |   |   | — |   |   |   | — |   |   | 340 |   |
| Total fixed charges      and Preferred                                   |   |              |    |         |        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|           dividends                                  |   | $                 | 22,757  |         | $           | 17,751 |   | $ | 13,316 |   | $ | 5,918 |   |   | $ | 678 |   | $ | 19,085 |   |
| Ratio of earnings to      fixed charges and                              |   |              |    |         |        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|           preferred dividends                        |   |              | — |         |        | — |   |   | — |   |   | 1.5 |   |   |   | 160.3 |   |   | — |   |
| Deficiency of      earnings to fixed charges                             |   |              |    |         |        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|           and preferred dividends                    |   | $                 | 71,859  |         | $           | 53,320 |   | $ | 26,621 |   |   | — |   |   |   | — |   | $ | 59,992 |   |