| Relationships | Role | Relationship Start | Relationship End |
| Pacific Western Bancshares, Inc. | Parent | 2/27/1981 | 5/17/1987 |
| Pacific Trust Company | Subsidary | 7/15/1980 | 5/17/1987 |
| Pacific Western Financial | Subsidary | 12/4/1981 | 5/17/1987 |
| Pacific Valley Corporation | Subsidary | 12/4/1984 | 5/17/1987 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Pacific Western Bank | Buyer | 1,059,421 | Discontinued | 5/18/1987 | |
| The Bank Of Northern California | Seller | 16,095 | Failure | 11/15/1986 |