| Relationships | Role | Relationship Start | Relationship End |
| Western Bancorp | Parent | 6/5/1997 | 8/30/1999 |
| California Commercial Bankshares | Parent | 7/19/1985 | 6/4/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Western Bancorp | Buyer | Discontinued | 8/31/1999 |