| Relationships | Role | Relationship Start | Relationship End |
| Bok Financial Corporation | Parent | 5/8/1993 | 4/30/1997 |
| Bokf, National Association | Subsidary | 11/30/1993 | 4/30/1997 |
| Bokf, National Association | Subsidary | 5/8/1993 | 11/29/1993 |
| Sand Springs State Bank | Subsidary | 11/1/1990 | 5/7/1993 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bok Financial Corporation | Buyer | Discontinued | 5/1/1997 |