| Relationships | Role | Relationship Start | Relationship End |
| Columbia Bancorp | Parent | 12/21/1998 | 11/30/1999 |
| Valley Community Bancorp | Parent | 2/3/1984 | 12/20/1998 |
| Datatech Of Oregon, Inc. | Subsidary | 12/1/1995 | 11/30/1999 |
| Valley Community Financial Services, Inc. | Subsidary | 7/31/1989 | 9/29/1999 |
| Datatech Of Oregon, Inc. | Subsidary | 11/14/1990 | 11/30/1995 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Columbia River Bank | Buyer | 955,112 | Pooling of Interests | Discontinued | 12/1/1999 |