|                                                        |
|--------------------------------------------------------|
|                                                        |  |  |
| 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 |
| Black Diamond Rockies Midstream LLC*                   |   | Delaware |
| Black Diamond Rockies Storage and Terminals LLC*       |   | Delaware |
| Blanco River DevCo GP LLC                              |   | Delaware |
| Blanco River DevCo LP                                  |   | Delaware |
| Clayton Williams Pipeline Corporation                  |   | Delaware |
| Colorado River DevCo GP LLC                            |   | Delaware |
| Colorado River DevCo LP                                |   | Delaware |
| Delaware Crossing Holdings LLC                         |   | Delaware |
| Delaware Crossing LLC                                  |   | Delaware |
| Delaware Crossing Operating LLC                        |   | Delaware |
| EDC Ecuador Ltd.                                       |   | Delaware |
| EDC South America Limited                              |   | Cayman Islands |
| EMED Pipeline B.V.*                                    |   | Amsterdam |
| 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 Congo Holding LLC (fka NBL Nicaragua Holding, LLC) |   | Delaware |
| NBL Congo Limited (fka NBL Nicaragua Limited)          |   | Cayman Islands |
| NBL Cumbia Limited                                     |   | Cayman Islands |
| NBL Eastern Mediterranean Marketing Limited            |   | Cayman Islands |
| NBL Energy Royalties, Inc. (fka NBL Royalties, Inc.)   |   | Delaware |
| 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 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 Colombia Holding LLC                                                  |   | Delaware |
| Noble Energy Colombia Limited                                                      |   | Cayman Islands |
| Noble Energy EG Ltd.                                                               |   | Cayman Islands |
| Noble Energy Egypt Holding LLC                                                     |   | Delaware |
| Noble Energy Egypt Limited                                                         |   | Cayman Islands |
| Noble Energy Egypt Marketing LLC                                                   |   | New Cairo |
| Noble Energy EMEA Ventures Limited (fka EDC Ireland)                               |   | Cayman Islands |
| Noble Energy EMed Midstream Limited                                                |   | 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 |
| Optimized Energy Solutions, LLC*                                                   |   | Delaware |
| Pecos River Holdings GP LLC                                                        |   | Delaware |
| Pecos River Holdings LP                                                            |   | Delaware |
| Rosetta Resources Holdings, LLC (fka Calpine Natural Gas Holdings, LLC)            |   | 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 |
| San Juan River DevCo GP LLC                                                        |   | Delaware |
| San Juan River DevCo LP                                                            |   | Delaware |
| Seven Oaks Insurance Limited                                                       |   | Bermuda |
| Tamar 10 Inch Pipeline Ltd.*                                                       |   | Tel Aviv |
| Tamar Mediterranean Gas Ltd.*                                                      |   | Tel Aviv |
| Trinity Delaware Holdings LLC                                                      |   | Delaware |
| Trinity River DevCo LLC                                                            |   | Delaware |
| West Coast Energy Properties GP, LLC                                               |   | Texas |
| White Star Insurance LLC                                                           |   | Texas |
| Yam Tethys Ltd*                                                                    |   | Tel Aviv |