| Relationships | Role | Relationship Start | Relationship End |
| Column Affordable Master Llc | Parent | 5/25/2007 | 12/31/2010 |
| Column Gtc Middle Tier I Llc | Subsidary | 5/25/2007 | 12/31/2010 |
| Relationships | Role | Relationship Start | Relationship End |
| Column Affordable Master Llc | Parent | 5/25/2007 | 12/31/2010 |
| Column Gtc Middle Tier I Llc | Subsidary | 5/25/2007 | 12/31/2010 |