| Relationships | Role | Relationship Start | Relationship End |
| Goldman Sachs Group, Inc., The | Parent | 9/21/2008 | |
| Cgx Energy, Llc | Subsidary | 9/21/2008 | |
| Natural Resources Investments S.L. | Subsidary | 4/13/2010 | 8/13/2015 |
| C.I. Colombian Natural Resources I S.A.S. | Subsidary | 3/19/2010 | 8/13/2015 |
| Nri Cayman Ltd. | Subsidary | 12/24/2012 | 8/13/2015 |
| Mcepf Metro I, Inc. | Subsidary | 2/18/2010 | 12/22/2014 |
| Mitsi Holdings Llc | Subsidary | 2/18/2010 | 12/22/2014 |
| Colombia Purchase Co. S.A.S. | Subsidary | 6/22/2012 | 12/26/2012 |
| Pricelock, Inc. | Subsidary | 9/21/2008 | 9/27/2010 |