| Relationships | Role | Relationship Start | Relationship End |
| Arvest Holdings, Inc. | Parent | 3/13/2002 | 5/16/2002 |
| Arvest Central Oklahoma, Inc. | Parent | 5/29/1997 | 3/12/2002 |
| Trh Oklahoma, Inc. | Parent | 1/31/1997 | 5/28/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Arvest Bank | Buyer | 17,047,149 | Pooling of Interests | Discontinued | 5/17/2002 |