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|                                                                                                                        |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Noble Energy, Inc.                                                                                                     |
| Calculation of Ratio of Earnings to Fixed Charges                                                                      |
|                                                                                                                   |   | Three Months Ended March 31, |   | Year Ended December 31, |
|                                                                                                                   |   | 2018 |   | 2017 |   | 2016 |   | 2015 |   | 2014 |   | 2013 |
| (millions, except ratio amounts)                                                                                       |   |   |   |   |   |   |   |   |   |   |   |   |
| Income (Loss) From Continuing Operations Before Income Tax, Non-controlling Interests and Income From Equity Investees |   | $ | 476 |  |   | $ | (2,436 | ) |   | $ | (1,887 | ) |   | $ | (2,309 | ) |   | $ | 1,540 |  |   | $ | 1,138 |  |
| Add (Deduct)                                                                                                           |   |   |   |   |   |   |   |   |   |   |   |   |
| Fixed Charges                                                                                                          |   | 97 |  |   | 426 |  |   | 440 |  |   | 435 |  |   | 349 |  |   | 296 |  |
| Capitalized Interest                                                                                                   |   | (17 | ) |   | (49 | ) |   | (84 | ) |   | (144 | ) |   | (116 | ) |   | (121 | ) |
| Distributed Income From Equity Investees                                                                               |   | 41 |  |   | 139 |  |   | 83 |  |   | 77 |  |   | 226 |  |   | 204 |  |
| Earnings (Loss) as Defined                                                                                             |   | $ | 597 |  |   | $ | (1,920 | ) |   | $ | (1,448 | ) |   | $ | (1,941 | ) |   | $ | 1,999 |  |   | $ | 1,517 |  |
|                                                                                                                   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net Interest Expense                                                                                                   |   | 73 |  |   | 354 |  |   | 328 |  |   | 263 |  |   | 210 |  |   | 158 |  |
| Capitalized Interest                                                                                                   |   | 17 |  |   | 49 |  |   | 84 |  |   | 144 |  |   | 116 |  |   | 121 |  |
| Interest Portion of Rental Expense                                                                                     |   | 7 |  |   | 23 |  |   | 28 |  |   | 28 |  |   | 23 |  |   | 17 |  |
| Fixed Charges as Defined                                                                                               |   | $ | 97 |  |   | $ | 426 |  |   | $ | 440 |  |   | $ | 435 |  |   | $ | 349 |  |   | $ | 296 |  |
|                                                                                                                   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio of Earnings to Fixed Charges                                                                                     |   | 6.2 |  |   | — |  |   | — |  |   | — |  |   | 5.7 |  |   | 5.1 |  |
|                                                                                                                   |   |   |   |   |   |   |   |   |   |   |   |   |
| Amount by Which Earnings Were Insufficient to Cover Fixed Charges                                                      |   | $ | — |  |   | $ | 2,346 |  |   | $ | 1,888 |  |   | $ | 2,376 |  |   | $ | — |  |   | $ | — |  |