| Relationships | Role | Relationship Start | Relationship End |
| Columbia Bancorp | Parent | 6/14/1996 | 2/28/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Columbia River Bank | Buyer | 955,112 | Pooling of Interests | Discontinued | 3/1/1997 |
| Relationships | Role | Relationship Start | Relationship End |
| Columbia Bancorp | Parent | 6/14/1996 | 2/28/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Columbia River Bank | Buyer | 955,112 | Pooling of Interests | Discontinued | 3/1/1997 |