| Relationships | Role | Relationship Start | Relationship End |
| Gs International Infrastructure Partners I, L.P. | Parent | 9/21/2008 | 12/9/2014 |
| Gs Carrix Cayman Holdings Advisors 2007, Llc | Parent | 9/21/2008 | 12/9/2014 |
| Gs Infrastructure Carrix Holdings, L.P. | Subsidary | 9/21/2008 | 12/9/2014 |