| Relationships | Role | Relationship Start | Relationship End |
| Arvest Holdings, Inc. | Parent | 3/13/2002 | 5/16/2002 |
| Arvest Central Oklahoma, Inc. | Parent | 12/8/2000 | 3/12/2002 |
| Ameribank Corporation | Parent | 10/23/1991 | 12/7/2000 |
| Americorp, Inc. | Parent | 3/7/1977 | 10/22/1991 |
| Eagle Property Holding Corporation | Subsidary | 9/9/1988 | 8/16/2001 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Arvest Bank | Buyer | 17,047,149 | Pooling of Interests | Discontinued | 5/17/2002 |