| Relationships | Role | Relationship Start | Relationship End |
| Umpqua Bank | Parent | 7/10/2004 | 12/31/2005 |
| Humboldt Bank | Parent | 12/31/2001 | 7/9/2004 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Umpqua Bank | Buyer | 24,730,514 | Pooling of Interests | Discontinued | 1/1/2006 |