| Relationships | Role | Relationship Start | Relationship End |
| Court Square Capital Limited | Parent | 8/28/2007 | 1/17/2013 |
| Sustainable Development Investments Partnership I, L.P. | Subsidary | 8/28/2007 | 9/30/2011 |
| Relationships | Role | Relationship Start | Relationship End |
| Court Square Capital Limited | Parent | 8/28/2007 | 1/17/2013 |
| Sustainable Development Investments Partnership I, L.P. | Subsidary | 8/28/2007 | 9/30/2011 |