| Relationships | Role | Relationship Start | Relationship End |
| Comerica Holdings Incorporated | Parent | 3/31/1994 | 6/29/1994 |
| Pacific Western Bancshares, Inc. | Parent | 5/18/1987 | 3/30/1994 |
| Cobanco, Inc. | Parent | 2/1/1984 | 5/17/1987 |
| Pacific Trust Company | Subsidary | 5/18/1987 | 6/29/1994 |
| Pacific Western Financial | Subsidary | 5/18/1987 | 6/29/1994 |
| Pacific Western Information Systems | Subsidary | 3/31/1989 | 7/30/1990 |
| Pacific Valley Corporation | Subsidary | 5/18/1987 | 6/29/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Comerica Bank-California | Buyer | 20,881,261 | Discontinued | 6/30/1994 | |
| Saratoga Federal Savings And Loan Association | Seller | Failure | 6/2/1990 | ||
| Pacific Valley Bank | Seller | 520,082 | Discontinued | 5/18/1987 | |
| The National Bank Of Carmel | Seller | 76,185 | Failure | 5/11/1984 |