| Relationships | Role | Relationship Start | Relationship End |
| Great Plains Bancshares, Inc. | Parent | 12/24/1991 | 7/16/1996 |
| Great Plains Bancshares, Inc. | Parent | 8/13/1991 | 12/23/1991 |
| Great Plains Bancshares, Inc. | Parent | 9/18/1990 | 8/12/1991 |
| Great Plains Bancshares, Inc. | Parent | 9/10/1980 | 9/17/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Great Plains National Bank | Buyer | 538,070 | Pooling of Interests | Discontinued | 7/17/1996 |
| City National Bank Of Sayre | Seller | 20,959 | Failure | 12/14/1989 | |
| First Southwest Bank | Seller | 9,826 | Failure | 12/17/1988 |