| Relationships | Role | Relationship Start | Relationship End |
| Great Southwest Ban Corp., Inc. | Parent | 12/31/1989 | 3/31/1997 |
| Great Southwest Ban Corp., Inc. | Parent | 12/31/1980 | 12/30/1989 |
| Great Southwest Ban Corp., Inc. | Parent | 7/26/1978 | 12/30/1980 |
| Southwest Financial Services, Inc. | Subsidary | 1/1/1989 | 1/1/1994 |
| Southwest Bank Building Corp. | Subsidary | 1/1/1979 | 12/30/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Sunflower Bank, National Association | Buyer | 1,858,499 | Acquisition | Discontinued | 4/1/1997 |