| NAME                                                  |   | STATE      OF JURISDICTION OF ORGANIZATION |   | REF    |
|-------------------------------------------------------|--------|--------------------------------------------|--------|--------|
|                                                  |   |                                       |   |   |
| Noble      Energy Marketing, Inc.                     |   | Delaware                                   |   | (1)    |
| Noble      Gas Pipeline, Inc.                         |   | Delaware                                   |   | (2)    |
| Samedan      of North Africa, Inc.                    |   | Delaware                                   |   | (1)    |
| EDC      Ireland                                      |   | Cayman      Islands                        |   | (3)    |
| Noble      Energy International Ltd.                  |   | Cayman      Islands                        |   | (3)    |
| Noble      Energy EG Ltd.                             |   | Cayman      Islands                        |   | (4)    |
| Noble      Energy JDZ Ltd.                            |   | Cayman      Islands                        |   | (4)    |
| Alba      Associates LLC                              |   | Cayman      Islands                        |   | (9)    |
| Alba      Plant LLC                                   |   | Cayman      Islands                        |   | (10)   |
| MachalaPower      Cia. Ltda.                          |   | Cayman      Islands                        |   | (4)    |
| Noble      Energy Mediterranean Ltd.                  |   | Cayman      Islands                        |   | (4)    |
| Yam      Tethys Ltd.                                  |   | Israel                                     |   | (13)   |
| Noble      Energy Suriname Ltd.                       |   | Cayman      Islands                        |   | (4)    |
| AMPCO      Marketing, L.L.C.                          |   | Michigan                                   |   | (5)    |
| AMPCO      Services, L.L.C.                           |   | Michigan                                   |   | (5)    |
| Atlantic      Methanol Capital Company                |   | Cayman      Islands                        |   | (5)    |
| Samedan      Methanol                                 |   | Cayman      Islands                        |   | (6)    |
| Atlantic      Methanol Associates LLC                 |   | Cayman      Islands                        |   | (7)    |
| Atlantic      Methanol Production Company LLC         |   | Cayman      Islands                        |   | (8)    |
| Samedan      Oil of Indonesia, Inc.                   |   | Delaware                                   |   | (1)    |
| Samedan      Pipe Line Corporation                    |   | Delaware                                   |   | (1)    |
| Samedan      Royalty Corporation                      |   | Delaware                                   |   | (1)    |
| Noble      Energy Australia, Inc.                     |   | Delaware                                   |   | (1)    |
| EDC      Ecuador Ltd.                                 |   | Delaware                                   |   | (1)    |
| Noble      Energy Ecuador Ltd.                        |   | Cayman      Islands                        |   | (12)   |
| Energy      Development Corporation (Argentina), Inc. |   | Delaware                                   |   | (1)    |
| Energy      Development Corporation (China), Inc.     |   | Delaware                                   |   | (1)    |
| Energy      Development Corporation (HIPS), Inc.      |   | Delaware                                   |   | (1)    |
| Gasdel      Pipeline System Incorporated              |   | New      Jersey                            |   | (1)    |
| HGC,      Inc.                                        |   | Delaware                                   |   | (1)    |
| Producers      Service, Inc.                          |   | New      Jersey                            |   | (1)    |
| EDC      (Denmark) Inc.                               |   | Delaware                                   |   | (3)    |
| Noble      Energy (Europe) Limited                    |   | United      Kingdom                        |   | (3)    |
| Noble      Energy (ISE) Limited                       |   | United      Kingdom                        |   | (11)   |
| Noble      Energy (Oilex) Limited                     |   | United      Kingdom                        |   | (11)   |
| Brabant      Oil Limited                              |   | United      Kingdom                        |   | (11)   |
| Noble      Energy Aviation, LLC                       |   | Delaware                                   |   | (1)    |
| Noble      Energy Cameroon Limited                    |   | Cayman      Islands                        |   | (3)    |
| Noble      Energy Adriana Limited                     |   | Cayman      Islands                        |   | (3)    |
| Noble      Energy Belinda Limited                     |   | Cayman      Islands                        |   | (3)    |
| Noble      Energy Benita Limited                      |   | Cayman      Islands                        |   | (3)    |
| Noble      Energy Caribbean LLC                       |   | Cayman      Islands                        |   | (14)   |
| Noble      Energy Norge AS                            |   | Norway                                     |   | (3)    |
| Noble      Energy YOYO-1 Limited                      |   | Cayman      Islands                        |   | (3)    |

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| REFERENCES: |   |                                                            |
|-------------|--------|-----------------------------------------------------------------|
|        |   |                                                            |
| (1)         |   | 100%      directly owned by Noble Energy, Inc. (Registrant)     |
| (2)         |   | 100%      directly owned by Noble Energy Marketing, Inc.        |
| (3)         |   | 100%      directly owned by  Samedan of North Africa, Inc. |
| (4)         |   | 100%      directly owned by Noble Energy International Ltd.     |
| (5)         |   | 50%      directly owned by Samedan of North Africa, Inc.        |
| (6)         |   | 100%      directly owned by Atlantic Methanol Capital Company   |
| (7)         |   | 50%      directly owned by Samedan Methanol                     |
| (8)         |   | 90%      directly owned by Atlantic Methanol Associates LLC     |
| (9)         |   | 35%      directly owned by Noble Energy International Ltd.      |
| (10)        |   | 80%      directly owned by Alba Associates LLC                  |
| (11)        |   | 100%      directly owned by Noble Energy (Europe) Limited       |
| (12)        |   | 100%      directly owned by EDC Ecuador Ltd.                    |
| (13)        |   | 47.059%      directly owned by Noble Energy Mediterranean Ltd.  |
| (14)        |   | 100%      directly owned by Noble Energy SurinameLtd.           |

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