| Relationships | Role | Relationship Start | Relationship End |
| Rocky Mountain Bancorporation, Inc. | Parent | 3/29/1996 | 5/31/1996 |
| Rocky Mountain Bancorporation, Inc. | Parent | 1/1/1996 | 3/28/1996 |
| Rmbi Acquisition, Inc. | Parent | 1/1/1996 | 3/28/1996 |
| N.E. Montana Bancshares, Inc. | Parent | 8/19/1994 | 12/31/1995 |
| N.E. Montana Bancshares, Inc. | Parent | 10/1/1986 | 8/18/1994 |
| M.M. Enterprises Of Plentywood, Inc. | Parent | 12/20/1982 | 9/30/1986 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Rocky Mountain Bank | Buyer | 481,346 | Pooling of Interests | Discontinued | 6/1/1996 |