| Relationships | Role | Relationship Start | Relationship End |
| Gs Capital Partners Vi Fund, L.P. | Parent | 12/17/2009 | |
| Gs Capital Partners Vi Offshore Fund, L.P. | Parent | 12/17/2009 | |
| Gs Capital Partners Vi Parallel, L.P. | Parent | 12/17/2009 | |
| Gs Capital Partners Vi Gmbh & Co. Kg | Parent | 12/17/2009 | |
| Xenok Limited | Subsidary | 3/11/2010 |