| Relationships | Role | Relationship Start | Relationship End |
| Imperial Bank | Parent | 11/30/1983 | 7/10/2001 |
| Imperial Bancorp | Parent | 1/26/1982 | 11/29/1983 |
| Imperial Asset Management, Inc. | Subsidary | 7/31/1997 | 7/10/2001 |
| Imperial Municipal Services Group, Inc. | Subsidary | 1/26/1982 | 6/15/1984 |
| Imperial Capital Markets Corporation | Subsidary | 1/26/1982 | 6/15/1984 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Comerica Securities, Inc. | Buyer | Discontinued | 7/11/2001 |