| Relationships | Role | Relationship Start | Relationship End |
| Pinnacle Bancorp, Inc. | Parent | 6/20/1998 | 10/20/2000 |
| Pinnacle Bancorp, Inc. | Parent | 1/22/1996 | 6/19/1998 |
| Pinnacle Bancorp, Inc. | Parent | 7/2/1993 | 1/21/1996 |
| North Platte Corporation | Parent | 5/29/1992 | 7/1/1993 |
| North Platte Corporation | Parent | 12/29/1981 | 5/28/1992 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Pinnacle Bank - Wyoming | Buyer | 722,853 | Pooling of Interests | Discontinued | 10/21/2000 |
| First National Bank | Seller | 88,652 | Pooling of Interests | Discontinued | 6/20/1998 |