|                                                                               |   | Three Months Ended |       |   | Six Months Ended |   |
|------------------------------------------------------------------------------------|--------|--------------------|------------|--------|------------------|--------|
|                                                                               |   | June 30,           |       |   | June 30,         |   |   | June 30, |   |   | June 30, |   |
|                                                                               |   | 2010               |       |   | 2009             |   |   | 2010 |   |   | 2009 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |
| Profit                                                                             |   | $                  | 82         |   |             | $      | 89 |   |   | $ | 135 |   |   | $ | 140 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Add:                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
|   Provision for income taxes                                             |   |               | 10         |   |             |   | 29 |   |   |   | 26 |   |   |   | 45 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Profit before income taxes                                                         |   | $                  | 92         |   |             | $      | 118 |   |   | $ | 161 |   |   | $ | 185 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Fixed charges:                                                                     |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
|   Interest expense                                                       |   | $                  | 234        |   |             | $      | 272 |   |   | $ | 468 |   |   | $ | 554 |   |
|   Rentals at computed interest*                                          |   |               | 1          |   |             |   | 2 |   |   |   | 2 |   |   |   | 3 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Total fixed charges                                                                |   | $                  | 235        |   |             | $      | 274 |   |   | $ | 470 |   |   | $ | 557 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Profit before income taxes plus fixed charges                                      |   | $                  | 327        |   |             | $      | 392 |   |   | $ | 631 |   |   | $ | 742 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Ratio of profit before income taxes plus  fixed charges to fixed charges |   |               |  1.39 |   |             |   |  1.43 |   |   |   |  1.34 |   |   |   |  1.33 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |