| Relationships | Role | Relationship Start | Relationship End |
| First Financial Bancorporation | Parent | 9/10/1997 | 12/12/1997 |
| West Branch Bancorp, Inc. | Parent | 2/25/1994 | 9/9/1997 |
| West Branch Bancorp, Inc. | Parent | 1/31/1983 | 2/24/1994 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First National Bank Iowa | Buyer | 558,392 | Pooling of Interests | Discontinued | 12/13/1997 |