| Relationships | Role | Relationship Start | Relationship End |
| Gsmp V Institutional Holdings, L.P. | Parent | 8/7/2013 | |
| Gs Mezzanine Partners V Institutional Fund, L.P. | Parent | 9/21/2008 | 8/6/2013 |
| Umbrellastream Limited Partnership Incorporated | Subsidary | 8/14/2009 | |
| Alaska Holdings S.A R.L. | Subsidary | 6/30/2011 | 8/31/2016 |