| Relationships | Role | Relationship Start | Relationship End |
| Intermountain Bankshares Of Colorado,Inc. | Parent | 6/1/1981 | 7/9/1992 |
| Delta Bancorporation, Inc. | Parent | 12/23/1976 | 5/31/1981 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank One, Western Colorado, National Association | Buyer | 351,611 | Discontinued | 7/10/1992 |