| Relationships | Role | Relationship Start | Relationship End |
| West Coast Bancorp | Parent | 7/12/1982 | 12/30/1998 |
| Coban, Inc. | Subsidary | 7/12/1982 | 12/30/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| West Coast Bank | Buyer | 2,414,497 | Pooling of Interests | Discontinued | 12/31/1998 |
| Coban, Inc. | Seller | Acquisition | Discontinued | 12/31/1997 | |
| Great Western Bank | Seller | 9,316 | Acquisition | Discontinued | 3/31/1995 |