| Relationships | Role | Relationship Start | Relationship End |
| Broad Street Energy Advisors, L.L.C. | Parent | 3/13/2015 | |
| West Street Energy Partners Offshore, L.P. | Parent | 3/13/2015 | |
| West Street Energy Partners Offshore Holding - B, L.P. | Parent | 3/13/2015 |
| Relationships | Role | Relationship Start | Relationship End |
| Broad Street Energy Advisors, L.L.C. | Parent | 3/13/2015 | |
| West Street Energy Partners Offshore, L.P. | Parent | 3/13/2015 | |
| West Street Energy Partners Offshore Holding - B, L.P. | Parent | 3/13/2015 |