| Relationships | Role | Relationship Start | Relationship End |
| Ameribanc, Inc. | Parent | 9/10/1996 | 11/21/1997 |
| Mercantile Bancorporation Inc. Of Iowa | Parent | 7/8/1995 | 9/9/1996 |
| Plains Spirit Financial Corporation | Parent | 1/6/1992 | 7/7/1995 |
| S&L Service Corporation | Subsidary | 7/8/1995 | 11/21/1997 |
| Mercantile Realty Inc. | Subsidary | 6/21/1996 | 11/21/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mercantile Bank Of Eastern Iowa | Buyer | 1,498,426 | Pooling of Interests | Discontinued | 11/22/1997 |