| Relationships | Role | Relationship Start | Relationship End |
| Ms Holdings Incorporated | Parent | 12/4/2014 | |
| Morgan Stanley Infrastructure Gp Lp | Parent | 12/4/2014 | |
| Msip Agatha Co-Investment Lp | Subsidary | 12/5/2014 |
| Relationships | Role | Relationship Start | Relationship End |
| Ms Holdings Incorporated | Parent | 12/4/2014 | |
| Morgan Stanley Infrastructure Gp Lp | Parent | 12/4/2014 | |
| Msip Agatha Co-Investment Lp | Subsidary | 12/5/2014 |