| Relationships | Role | Relationship Start | Relationship End |
| Gsam Gen-Par, L.L.C. | Parent | 11/21/2016 | |
| Private Equity Concentrated Energy Ii Advisors, L.L.C. | Parent | 2/16/2010 | 11/20/2016 |
| Pep Concentrated Energy Foreign Income Blocker, L.L.C. | Subsidary | 11/22/2011 | |
| Crl Holdco Llc | Subsidary | 10/1/2012 | |
| Pep Concentrated Energy Kern Holdings, L.L.C. | Subsidary | 6/28/2010 |