| Relationships | Role | Relationship Start | Relationship End |
| Durant Bancorp, Inc. | Parent | 6/1/1979 | 12/31/1997 |
| East Central Agri Credit Corporation | Subsidary | 4/2/1981 | 12/31/1997 |
| Republic Agency, Inc. | Subsidary | 3/12/1994 | 12/31/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First United Bank And Trust Company | Buyer | 3,372,683 | Pooling of Interests | Discontinued | 1/1/1998 |
| The First National Bank Of Pauls Valley | Seller | 64,549 | Pooling of Interests | Discontinued | 1/13/1996 |
| Republic Bank Of Tecumseh | Seller | 23,359 | Discontinued | 3/12/1994 | |
| First National Bank | Seller | 15,317 | Discontinued | 9/26/1991 | |
| First Federal Savings And Loan Association Of Seminole | Seller | 24,082 | Failure | 9/22/1990 |