| Relationships | Role | Relationship Start | Relationship End |
| P.S.B. Bancorporation, Inc. | Parent | 4/29/1985 | 5/28/1994 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| United Bank Of Iowa | Buyer | 1,396,061 | Discontinued | 5/29/1994 | |
| Peoples State Bank | Seller | 13,541 | Failure | 4/27/1985 |