| Relationships | Role | Relationship Start | Relationship End |
| Gs Capital Partners Vi Offshore Fund, L.P. | Parent | 5/10/2011 | |
| Gscp Vi Birdie Holdings, L.L.C. | Subsidary | 5/10/2011 |
| Relationships | Role | Relationship Start | Relationship End |
| Gs Capital Partners Vi Offshore Fund, L.P. | Parent | 5/10/2011 | |
| Gscp Vi Birdie Holdings, L.L.C. | Subsidary | 5/10/2011 |