Exhibit12

COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXEDCHARGESAND PREFERRED DIVIDENDS (UNAUDITED)

|                                                                            |  |                                                                   |         |                                |  |                                |         |                           |  |        |         |         |  |        |         |         |  |        |         |         |  |        |        |         |  |        |        |        |  |  |
|----------------------------------------------------------------------------|--|-------------------------------------------------------------------|---------|--------------------------------|--|--------------------------------|---------|---------------------------|--|--------|---------|---------|--|--------|---------|---------|--|--------|---------|---------|--|--------|--------|---------|--|--------|--------|--------|--|--|
|                                                                       |  | Predecessor                                                       |         | Successor                      |  |                           |
|                                                                       |  | YearEndedDecember 31,                                             |         | ThreeMonthsEndedMarch 31, 2004 |  | NineMonthsEndedDecember31,2004 |         | YearEndedDecember 31,2005 |  |   |
|                                                                       |  | 2001                                                              |         | 2002                           |  | 2003                           |         |                      |
|                                                                       |  | (in $ millions, except ratio of earnings tocombined fixedcharges) |
| Earnings:                                                                  |  |                                                              |         |                           |  |                           |         |                      |  |   |         |    |  |   |
| Earnings(loss) from continuing operations before tax and minority interest |  |                                                              | (378    | )                         |  |                           | 168     |                      |  |   | 172     |    |  |   | 67      |    |  |   | (114    | )  |  |   | 428    |    |  |   |   |   |
| Less:                                                                      |  |                                                              |    |                           |  |                           |    |                      |  |   |    |    |  |   |    |    |  |   |    |    |  |   |   |    |  |   |   |   |
| Equityin net earnings of affiliates                                        |  |                                                              | (12     | )                         |  |                           | (21     | )                    |  |   | (35     | )  |  |   | (12     | )  |  |   | (36     | )  |  |   | (61    | )  |  |   |   |   |
| Plus:                                                                      |  |                                                              |    |                           |  |                           |    |                      |  |   |    |    |  |   |    |    |  |   |    |    |  |   |   |    |  |   |   |   |
| Incomedistributions from equityinvestments                                 |  |                                                              | 19      |                           |  |                           | 61      |                      |  |   | 23      |    |  |   | 16      |    |  |   | 22      |    |  |   | 66     |    |  |   |   |   |
| Amortizationof capitalizedinterest                                         |  |                                                              | 9       |                           |  |                           | 10      |                      |  |   | 14      |    |  |   | 2       |    |  |   | 1       |    |  |   | 3      |    |  |   |   |   |
| Totalfixedcharges                                                          |  |                                                              | 104     |                           |  |                           | 89      |                      |  |   | 72      |    |  |   | 16      |    |  |   | 272     |    |  |   | 379    |    |  |   |   |   |
| Totalearnings as defined before combined fixedcharges                      |  |                                                              | (258    | )                         |  |                           | 307     |                      |  |   | 246     |    |  |   | 89      |    |  |   | 145     |    |  |   | 815    |    |  |   |   |   |
| Fixedcharges:                                                              |  |                                                              |    |                           |  |                           |    |                      |  |   |    |    |  |   |    |    |  |   |    |    |  |   |   |    |  |   |   |   |
| Interestexpense                                                            |  |                                                              | 72      |                           |  |                           | 55      |                      |  |   | 49      |    |  |   | 6       |    |  |   | 239     |    |  |   | 322    |    |  |   |   |   |
| Capitalizedinterest                                                        |  |                                                              | 4       |                           |  |                           | 6       |                      |  |   | 3       |    |  |   | 3       |    |  |   | 4       |    |  |   | 4      |    |  |   |   |   |
| Estimatedinterest portion of rentexpense                                   |  |                                                              | 28      |                           |  |                           | 28      |                      |  |   | 20      |    |  |   | 7       |    |  |   | 21      |    |  |   | 31     |    |  |   |   |   |
| Guaranteedpayment to minorityshareholders                                  |  |                                                              | — |                           |  |                           | — |                      |  |   | — |    |  |   | — |    |  |   | 8       |    |  |   | 22     |    |  |   |   |   |
| Totalcombined fixedcharges                                                 |  |                                                              | 104     |                           |  |                           | 89      |                      |  |   | 72      |    |  |   | 16      |    |  |   | 272     |    |  |   | 379    |    |  |   |   |   |
| Ratioof earnings to combined fixedcharges                                  |  |                                                              | — |                           |  |                           | 3.4     | x                    |  |   | 3.4     | x  |  |   | 5.6     | x  |  |   | — |    |  |   | 2.2x   |    |  |   |   |   |
| Excess(Deficiency)                                                         |  |                                                              | (362    | )                         |  |                           | 218     |                      |  |   | 174     |    |  |   | 73      |    |  |   | (127    | )  |  |   | 436    |    |  |   |   |   |
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