| Relationships | Role | Relationship Start | Relationship End |
| Arvest Bank Group, Inc. | Parent | 11/17/1999 | 2/7/2002 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Arvest Bank | Buyer | 17,047,149 | Pooling of Interests | Discontinued | 2/8/2002 |
| Valley Bank | Seller | 1,924 | Discontinued | 3/10/1976 |