| Relationships | Role | Relationship Start | Relationship End |
| Inter-Mountain Bancorp., Inc. | Parent | 5/31/2001 | 10/24/2002 |
| Chouteau County Bancshares, Inc. | Parent | 3/31/1987 | 5/30/2001 |
| U.S. Bancorp | Parent | 5/9/1956 | 3/30/1987 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First Security Bank | Buyer | 811,072 | Pooling of Interests | Discontinued | 10/25/2002 |