|                                                            |
|------------------------------------------------------------|
|                                                            |  |  |
| NAME                                                       |   | JURISDICTION OF ORGANIZATION |
| Advantage Pipeline Holdings LLC*                           |   | Delaware |
| Advantage Pipeline Logistics LLC*                          |   | Texas |
| Advantage Pipeline Management, LLC*                        |   | Texas |
| Advantage Pipeline, L.L.C.*                                |   | Texas |
| Alba Associates LLC*                                       |   | Cayman Islands |
| Alba Plant LLC*                                            |   | Cayman Islands |
| AMPCO Marketing, L.L.C.*                                   |   | Michigan |
| AMPCO Services, L.L.C.*                                    |   | Michigan |
| Atlantic Methanol Associates LLC*                          |   | Cayman Islands |
| Atlantic Methanol Production Company LLC*                  |   | Cayman Islands |
| Atlantic Methanol Services B.V.*                           |   | Amsterdam |
| Black Diamond Gathering Holdings LLC                       |   | Delaware |
| Black Diamond Gathering LLC*                               |   | Delaware |
| Blanco River DevCo GP LLC                                  |   | Delaware |
| Blanco River DevCo LP                                      |   | Delaware |
| Clajon Industrial Gas, Inc. (fka Clayton Williams Company) |   | Texas |
| Clayton Williams Pipeline Corporation                      |   | Delaware |
| Colorado River DevCo GP LLC                                |   | Delaware |
| Colorado River DevCo LP                                    |   | Delaware |
| CONE Midstream Partners LP*                                |   | Delaware |
| Desta Drilling GP, LLC (fka Larclay GP, LLC)               |   | Texas |
| Desta Drilling, L.P. (fka Larclay L.P.)                    |   | Texas |
| EDC Ecuador Ltd.                                           |   | Delaware |
| EDC South America Limited                                  |   | Cayman Islands |
| Energy Development Corporation (Argentina), Inc.           |   | Delaware |
| Energy Development Corporation (China), Inc.               |   | Delaware |
| Green River DevCo GP LLC                                   |   | Delaware |
| Green River DevCo LP                                       |   | Delaware |
| Gunnison River DevCo GP LLC                                |   | Delaware |
| Gunnison River DevCo LP                                    |   | Delaware |
| Laramie River DevCo GP LLC                                 |   | Delaware |
| Laramie River DevCo LP                                     |   | Delaware |
| Leviathan Transportation System Ltd.*                      |   | Tel Aviv |
| MachalaPower Cia. Ltda. (fka Samedan Power)                |   | Cayman Islands |
| NBL C.V.                                                   |   | Netherlands |
| NBL Cheetah Limited                                        |   | Cayman Islands |
| NBL Congo Holding LLC (fka NBL Nicaragua Holding, LLC)     |   | Delaware |
| NBL Congo Limited (fka NBL Nicaragua Limited)              |   | Cayman Islands |
| NBL Eastern Mediterranean Marketing Limited                |   | Cayman Islands |
| NBL Energy Royalties, Inc. (fka NBL Royalties, Inc.)       |   | Delaware |
| NBL Gabon Holding, LLC                                     |   | Delaware |
| NBL Gabon Limited                                          |   | Cayman Islands |
| NBL Gabon LLC                                              |   | Delaware |
| NBL Humpback Limited                                       |   | Cayman Islands |
| NBL International C.V.                                     |   | Netherlands |
| NBL International Finance B.V.                             |   | Netherlands |
| NBL International Holdings, LLC                            |   | Delaware |
| NBL International Risk Management Limited                  |   | Cayman Islands |
| NBL Jordan Marketing Limited*                              |   | Cayman Islands |
| NBL Mexico Holding, LLC                                    |   | Delaware |
| NBL Mexico, Inc.                                           |   | Delaware |
| NBL Midstream Holdings LLC                                 |   | Delaware |
| NBL Midstream, LLC                                         |   | Delaware |

----

|                                                                                     |
|-------------------------------------------------------------------------------------|
|                                                                                     |  |  |
| NBL Netherlands B.V.                                                                |   | Netherlands |
| NBL North American Risk Management, LLC                                             |   | Delaware |
| NBL NV 1 Holding LLC                                                                |   | Delaware |
| NBL NV 1 Limited                                                                    |   | Cayman Islands |
| NBL NV 2 Holding LLC                                                                |   | Delaware |
| NBL NV 2 Limited                                                                    |   | Cayman Islands |
| NBL Permian LLC                                                                     |   | Delaware |
| NBL Permian Water LLC                                                               |   | Delaware |
| NBL Rhea Limited                                                                    |   | Cayman Islands |
| NBL Suriname B.V.                                                                   |   | Netherlands |
| NBL Texas, LLC                                                                      |   | Delaware |
| NCWYO Assets LLC                                                                    |   | Delaware |
| NEML Leviathan Finance Company Ltd.                                                 |   | Tel Aviv |
| Noble Energy (ISE) Limited                                                          |   | United Kingdom |
| Noble Energy (Oilex) Limited                                                        |   | United Kingdom |
| Noble Energy Cameroon Limited                                                       |   | Cayman Islands |
| Noble Energy Canada Inc. (fka Noble Energy Canada LLC)                              |   | Delaware |
| Noble Energy Canada ULC                                                             |   | British Columbia |
| Noble Energy Capital Limited                                                        |   | United Kingdom |
| Noble Energy Cyprus Midstream Holding LLC (fka NBL Cameroon Holding, LLC)           |   | Delaware |
| Noble Energy Cyprus Midstream Limited (fka NBL Cameroon Limited)                    |   | Cayman Islands |
| Noble Energy EG Ltd.                                                                |   | Cayman Islands |
| Noble Energy EMEA Ventures Limited (fka EDC Ireland)                                |   | Cayman Islands |
| Noble Energy Falklands Holding, LLC                                                 |   | Delaware |
| Noble Energy Falklands Limited                                                      |   | United Kingdom |
| Noble Energy Gabon Holding Company, LLC (fka Noble Energy EG Holding Company, LLC)  |   | Delaware |
| Noble Energy Gabon Limited (fka Noble Energy EG II Limited)                         |   | Cayman Islands |
| Noble Energy Global Ventures Ltd. (fka Noble Energy India Ltd.)                     |   | Cayman Islands |
| Noble Energy International Holdings, Inc.                                           |   | Delaware |
| Noble Energy International Holdings, LLC                                            |   | Delaware |
| Noble Energy International Ltd (fka Samedan International)                          |   | Cyprus |
| Noble Energy Mediterranean Ltd. (fka Samedan Mediterranean Sea)                     |   | Cayman Islands |
| Noble Energy Mexico, S. de R.L. de C.V.                                             |   | Mexico |
| Noble Energy New Ventures, LLC (fka Noble Energy New Ventures, Inc.)                |   | Delaware |
| Noble Energy Services, Inc.                                                         |   | Delaware |
| Noble Energy Sierra Leone Holdings, LLC                                             |   | Delaware |
| Noble Energy SL Limited (fka Noble Energy Sierra Leone UK Limited)                  |   | United Kingdom |
| Noble Energy US Holdings, LLC                                                       |   | Delaware |
| Noble Energy WyCo, LLC                                                              |   | Delaware |
| Noble Midstream GP LLC (fka Noble Energy Midstream GP LLC)                          |   | Delaware |
| Noble Midstream Partners LP* (fka Noble Energy Midstream LP)                        |   | Delaware |
| Noble Midstream Services, LLC (fka Noble DJ Midstream Services Company, LLC)        |   | Delaware |
| Romere Pass Acquisition L.L.C. (fka Romere Pass Acquisition Corp.)                  |   | Delaware |
| Rosetta Resources Holdings, LLC (fka Calpine Natural Gas Holdings, LLC)             |   | Delaware |
| Rosetta Resources Michigan Limited Partnership (fka Rosetta Resources Gathering LP) |   | Delaware |
| Rosetta Resources Offshore, LLC                                                     |   | Delaware |
| Rosetta Resources Operating GP, LLC (fka Calpine Natural Gas GP, LLC)               |   | Delaware |
| Rosetta Resources Operating LP (fka Calpine Natural Gas L.P.)                       |   | Delaware |
| Samedan Methanol                                                                    |   | Cayman Islands |
| Samedan of North Africa, LLC (fka Samedan of North Africa, Inc.)                    |   | Delaware |
| Samedan Pipe Line Corporation                                                       |   | Delaware |
| San Juan River DevCo GP LLC                                                         |   | Delaware |
| San Juan River DevCo LP                                                             |   | Delaware |
| Seven Oaks Insurance Limited                                                        |   | Bermuda |
| Southwest Royalties, Inc.                                                           |   | Delaware |
| Tamar 10 Inch Pipeline Ltd.*                                                        |   | Tel Aviv |
| Tamar Mediterranean Gas Ltd.                                                        |   | Tel Aviv |
| Trinity River DevCo LLC                                                             |   | Delaware |

----

|                                      |
|--------------------------------------|
|                                      |  |  |
| Warrior Gas Co.                      |   | Texas |
| West Coast Energy Properties GP, LLC |   | Texas |
| White Star Insurance LLC             |   | Texas |
| Yam Tethys Ltd*                      |   | Tel Aviv |