| Relationships | Role | Relationship Start | Relationship End |
| W.T.B. Financial Corporation | Parent | 6/30/1983 | 9/25/1994 |
| Sbw Properties, Inc. | Subsidary | 9/30/1988 | 12/30/1991 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Washington Trust Bank | Buyer | 5,368,746 | Discontinued | 9/26/1994 | |
| East Wenatchee Branch | Seller | Discontinued | 1/20/1965 |