| Relationships | Role | Relationship Start | Relationship End |
| Bancfirst Corporation | Parent | 12/1/1998 | 3/11/1999 |
| Kingfisher Bancorp, Inc. | Parent | 9/27/1985 | 11/30/1998 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bancfirst | Buyer | 6,769,841 | Pooling of Interests | Discontinued | 3/12/1999 |