| Relationships | Role | Relationship Start | Relationship End |
| North Haven Infrastructure Partners A Sub Lp | Parent | 1/25/2010 | |
| North Haven Infrastructure Partners Lp | Parent | 1/25/2010 | |
| Morgan Stanley Infrastructure Investors Lp | Parent | 1/25/2010 |
| Relationships | Role | Relationship Start | Relationship End |
| North Haven Infrastructure Partners A Sub Lp | Parent | 1/25/2010 | |
| North Haven Infrastructure Partners Lp | Parent | 1/25/2010 | |
| Morgan Stanley Infrastructure Investors Lp | Parent | 1/25/2010 |