| Relationships | Role | Relationship Start | Relationship End |
| Pinnacle Bancorp, Inc. | Parent | 7/2/1993 | 6/19/1998 |
| North Platte Corporation | Parent | 4/15/1992 | 7/1/1993 |
| Worland Holding Company | Parent | 10/14/1982 | 4/14/1992 |
| Worland Ag Credit Corporation | Subsidary | 10/14/1982 | 12/31/1984 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Pinnacle Bank | Buyer | 139,831 | Pooling of Interests | Discontinued | 6/20/1998 |
| First National Bank At Thermopolis | Seller | 36,386 | Discontinued | 7/10/1993 |