| Relationships | Role | Relationship Start | Relationship End |
| Citicorp North America, Inc. | Parent | 9/17/1999 | 12/22/2011 |
| Tst 55 East Monroe Mezz L.P. | Subsidary | 1/1/2006 | 11/21/2008 |
| Astilbe Sas | Subsidary | 10/1/1999 | 8/31/2004 |
| Somanad 2 Llc | Subsidary | 10/29/1999 | 8/30/2004 |