| Relationships | Role | Relationship Start | Relationship End |
| Gs Capital Partners Vi Offshore Fund, L.P. | Parent | 8/16/2012 | |
| Gscp Vi Edgemarc Holdings, L.L.C. | Subsidary | 8/16/2012 | |
| Gscp Vi Hydroedge Holdings, L.L.C. | Subsidary | 8/16/2012 | 8/31/2016 |
| Relationships | Role | Relationship Start | Relationship End |
| Gs Capital Partners Vi Offshore Fund, L.P. | Parent | 8/16/2012 | |
| Gscp Vi Edgemarc Holdings, L.L.C. | Subsidary | 8/16/2012 | |
| Gscp Vi Hydroedge Holdings, L.L.C. | Subsidary | 8/16/2012 | 8/31/2016 |