| Relationships | Role | Relationship Start | Relationship End |
| First Interstate Bancsystem, Inc. | Parent | 12/12/1996 | 12/22/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First Interstate Bank | Buyer | 8,944,669 | Pooling of Interests | Discontinued | 12/23/1997 |