|                                                                                      |
|--------------------------------------------------------------------------------------|
|                                                                                      |  |  |  |  |
| NAME                                                                                 |   | JURISDICTION OF ORGANIZATION |   | REF |
| Alba Associates LLC                                                                  |   | Cayman Islands |   | (8) |
| Alba Plant LLC                                                                       |   | Cayman Islands |   | (9) |
| AMPCO Marketing, L.L.C.                                                              |   | Michigan |   | (4) |
| AMPCO Services, L.L.C.                                                               |   | Michigan |   | (4) |
| Ardmore Real Estate, LLC                                                             |   | Delaware |   | (1) |
| Atlantic Methanol Associates LLC                                                     |   | Cayman Islands |   | (6) |
| Atlantic Methanol Production Company LLC                                             |   | Cayman Islands |   | (7) |
| Comin 1989 Partnership (partnership interest only)                                   |   | Oklahoma |   | (13) |
| CONE Gathering LLC                                                                   |   | Delaware |   | (14) |
| EDC Ecuador Ltd.                                                                     |   | Delaware |   | (12) |
| EDC Ireland                                                                          |   | Cayman Islands |   | (2) |
| EDC South America Limited                                                            |   | Cayman Islands |   | (1) |
| Energy Development Corporation (Argentina), Inc.                                     |   | Delaware |   | (12) |
| Energy Development Corporation (China), Inc.                                         |   | Delaware |   | (1) |
| MachalaPower Cia. Ltda.                                                              |   | Cayman Islands |   | (2) |
| NBL C.V. (Dutch limited partnership)                                                 |   | Netherlands |   | (21) (26) |
| NBL Eastern Mediterranean Marketing Limited                                          |   | Cayman Islands |   | (3) |
| NBL International C.V. (Dutch limited partnership)                                   |   | Netherlands |   | (23) (26) |
| NBL International Finance B.V.                                                       |   | Netherlands |   | (24) |
| NBL International Risk Management Limited                                            |   | Cayman Islands |   | (24) |
| NBL Netherlands B.V.                                                                 |   | Netherlands |   | (25) |
| NBL UK C.V. (Dutch limited partnership)                                              |   | Netherlands |   | (21) (26) |
| Noble Energy (Cyprus) Limited                                                        |   | Cyprus |   | (3) |
| Noble Energy (ISE) Limited                                                           |   | Scotland |   | (20) |
| Noble Energy (Oilex) Limited                                                         |   | England |   | (20) |
| Noble Energy AGC Ltd.                                                                |   | Mauritius |   | (15) |
| Noble Energy Cameroon Limited                                                        |   | Cayman Islands |   | (22) |
| Noble Energy Capital Limited                                                         |   | England |   | (25) |
| Noble Energy Cyprus LNG Ltd. (f/k/a Noble Energy Cyprus Oil & Gas Ltd.)          |   | Cyprus |   | (3) |
| Noble Energy Ecuador Ltd.                                                            |   | Cayman Islands |   | (10) |
| Noble Energy EG Ltd.                                                                 |   | Cayman Islands |   | (3) |
| Noble Energy Falklands Holding, LLC                                                  |   | Delaware |   | (16) |
| Noble Energy Falklands Limited                                                       |   | England |   | (18) |
| Noble Energy Gabon Holding Company, LLC (f/k/a Noble Energy EG Holding Company, LLC) |   | Delaware |   | (16) |
| Noble Energy Gabon Limited (f/k/a Noble Energy EG II Limited)                        |   | Cayman Islands |   | (19) |
| Noble Energy Global Ventures Ltd.                                                    |   | Cayman Islands |   | (2) |
| Noble Energy International Holdings, Inc.                                            |   | Delaware |   | (1) |
| Noble Energy International Holdings, LLC                                             |   | Delaware |   | (15) |
| Noble Energy International Ltd                                                       |   | Cyprus |   | (2) |
| Noble Energy IX, LLC                                                                 |   | Delaware |   | (1) |
| Noble Energy Mediterranean Ltd.                                                      |   | Cayman Islands |   | (3) |
| Noble Energy New Ventures, Inc.                                                      |   | Delaware |   | (15) |
| Noble Energy Nicaragua Ltd.                                                          |   | Cayman Islands |   | (24) |
| Noble Energy Services, Inc.                                                          |   | Delaware |   | (1) |
| Noble Energy Sierra Leone Holdings, LLC                                              |   | Delaware |   | (16) |
| Noble Energy SL Limited                                                              |   | England |   | (17) |
| Noble Energy WyCo, LLC                                                               |   | Delaware |   | (1) |
| Samedan Methanol                                                                     |   | Cayman Islands |   | (2) |
| Samedan of North Africa, LLC                                                         |   | Delaware |   | (24) |

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|                                                    |
|----------------------------------------------------|
|                                                    |  |  |  |  |
| Samedan Pipe Line Corporation                      |   | Delaware |   | (1) |
| Samedan Royalty Corporation                        |   | Delaware |   | (1) |
| Selkirk (E&P) Limited                          |   | England |   | (20) |
| Seven Oaks Insurance Limited                       |   | Bermuda |   | (1) |
| SNS (E&P) Limited                              |   | England |   | (20) |
| Temin 1987 Partnership (partnership interest only) |   | Oklahoma |   | (5) |
| Yam Tethys Ltd.                                    |   | Israel |   | (11) |

|      |
|------|
|      |  |  |
| (1)  |   | 100% ownership - Noble Energy, Inc. (Registrant) |
| (2)  |   | 100% ownership - Samedan of North Africa, LLC |
| (3)  |   | 100% ownership - Noble Energy International Ltd |
| (4)  |   | 50% ownership - Noble Energy International Holdings, Inc. |
| (5)  |   | 55.61% partnership interest - Samedan Royalty Corporation (managing partner) |
| (6)  |   | 50% ownership - Samedan Methanol |
| (7)  |   | 90% ownership - Atlantic Methanol Associates LLC |
| (8)  |   | 34.79% ownership - Samedan of North Africa, LLC |
| (9)  |   | 80% ownership - Alba Associates LLC |
| (10) |   | 100% ownership - EDC Ecuador Ltd. |
| (11) |   | 47.059% ownership - Noble Energy Mediterranean Ltd. |
| (12) |   | 100% ownership - EDC South America Limited |
| (13) |   | 52.66% partnership interest - Samedan Royalty Corporation (managing partner) |
| (14) |   | 50% partnership interest - Noble Energy, Inc. (managing partner) |
| (15) |   | 100% ownership - Noble Energy International Holdings, Inc. |
| (16) |   | 100% ownership - Noble Energy New Ventures, Inc. |
| (17) |   | 100% ownership - Noble Energy Sierra Leone Holdings, LLC |
| (18) |   | 100% ownership - Noble Energy Falklands Holding, LLC |
| (19) |   | 100% ownership - Noble Energy Gabon Holding Company, LLC |
| (20) |   | 100% ownership - Noble Energy Capital Limited |
| (21) |   | 99% partnership interest - Noble Energy International Holdings, Inc. (limited partner) |
| (22) |   | 100% ownership - NBL Netherlands B.V. |
| (23) |   | 99% partnership interest - NBL C.V. (limited partner) |
| (24) |   | 100% ownership - NBL International C.V. |
| (25) |   | 100% ownership - NBL UK C.V. |
| (26) |   | 1% partnership interest - Noble Energy International Holdings, LLC (general partner) |