|                                                                                |
|--------------------------------------------------------------------------------|
|                                                                                |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| (In $ million)                                                                 |   | 2016 |   | 2015 |   | 2014 |   | 2013 |   | 2012 |
| Earnings                                                                       |   |   |   |   |   |   |   |   |   |   |
| Pre-tax income (loss) from continuing operations                               |   | 272 |  |   | (294 | ) |   | (475 | ) |   | (270 | ) |   | (424 | ) |
| Distributed income of equity investees                                         |   | — |  |   | — |  |   | 1 |  |   | 1 |  |   | — |  |
| Fixed charges                                                                  |   | 915 |  |   | 1,074 |  |   | 1,358 |  |   | 1,413 |  |   | 1,526 |  |
| Less:                                                                          |   |   |   |   |   |   |   |   |   |   |
| Share of profit of associates and joint ventures, net of income tax            |   | 3 |  |   | 2 |  |   | 2 |  |   | 1 |  |   | 1 |  |
| Non-controlling interests                                                      |   | (2 | ) |   | (2 | ) |   | (2 | ) |   | (2 | ) |   | (1 | ) |
| Interest capitalized                                                           |   | (3 | ) |   | (5 | ) |   | (6 | ) |   | (6 | ) |   | (4 | ) |
| Total Earnings                                                                 |   | 1,185 |  |   | 775 |  |   | 878 |  |   | 1,137 |  |   | 1,098 |  |
|                                                                           |   |   |   |   |   |   |   |   |   |   |
| Fixed Charges                                                                  |   |   |   |   |   |   |   |   |   |   |
| Interest expense and capitalized                                               |   | 851 |  |   | 1,002 |  |   | 1,268 |  |   | 1,326 |  |   | 1,429 |  |
| Amortized premiums, discounts and capitalized expenses related to indebtedness |   | 28 |  |   | 33 |  |   | 44 |  |   | 41 |  |   | 54 |  |
| Fair value adjustment of acquired notes                                        |   | (2 | ) |   | (2 | ) |   | (2 | ) |   | (2 | ) |   | (2 | ) |
| Estimate of interest in rental expense                                         |   | 38 |  |   | 41 |  |   | 48 |  |   | 48 |  |   | 45 |  |
| Total Fixed Charges                                                            |   | 915 |  |   | 1,074 |  |   | 1,358 |  |   | 1,413 |  |   | 1,526 |  |
|                                                                           |   |   |   |   |   |   |   |   |   |   |
| Ratio of Earnings to Fixed Charges                                             |   | 1.3x |  |   | — |  |   | — |  |   | — |  |   | — |  |
|                                                                           |   |   |   |   |   |   |   |   |   |   |
| Additional Pre-tax Earnings to Achieve 1:1 Ratio                               |   | — |  |   | 299 |  |   | 480 |  |   | 276 |  |   | 428 |  |