| Relationships | Role | Relationship Start | Relationship End |
| Montana Security, Inc. | Parent | 1/31/1998 | 6/26/1998 |
| Northeast Montana Bank Shares, Inc. | Parent | 8/13/1990 | 1/30/1998 |
| Northeast Montana Bank Shares, Inc. | Parent | 12/31/1989 | 8/12/1990 |
| Northeast Montana Bank Shares, Inc. | Parent | 1/10/1973 | 12/30/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Independence Bank | Buyer | 625,537 | Pooling of Interests | Discontinued | 6/27/1998 |