| Relationships | Role | Relationship Start | Relationship End |
| Bank One Corporation | Parent | 2/28/1998 | 1/25/2001 |
| Banc One Oklahoma Corporation | Parent | 6/1/1997 | 2/27/1998 |
| Liberty Bancorp, Inc. | Parent | 7/31/1986 | 5/31/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Botrcn Corporation | Buyer | Discontinued | 1/26/2001 |