| Relationships | Role | Relationship Start | Relationship End |
| Blackrock Advisors, Llc | Parent | 3/31/1998 | 8/24/2006 |
| Pnc Bank, National Association | Parent | 9/30/1990 | 3/30/1998 |
| Pnc Bank, National Association | Parent | 9/18/1990 | 9/29/1990 |
| Blackrock International, Ltd. | Subsidary | 3/31/1998 | 8/23/2006 |
| Blackrock International Holdings, Inc | Subsidary | 3/30/1999 | 8/23/2006 |
| Blackrock Asia Limited | Subsidary | 3/1/2001 | 8/23/2006 |
| Blackrock Advisors Singapore Pte. Ltd. | Subsidary | 12/13/2004 | 8/23/2006 |