| Relationships | Role | Relationship Start | Relationship End |
| First Sooner Bancshares, Inc. | Parent | 11/23/1999 | 3/3/2000 |
| Charter Bancshares, Inc. | Parent | 4/25/1983 | 11/22/1999 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Umb Bank, National Association | Buyer | 4,078,562 | Pooling of Interests | Discontinued | 3/4/2000 |
| Deposit Insurance National Bank Of Oklahoma City | Seller | 6,777 | Discontinued | 8/19/1983 |