| Relationships | Role | Relationship Start | Relationship End |
| Ameribanc, Inc. | Parent | 9/10/1996 | 8/22/1997 |
| Mercantile Bancorporation Incorporated Of Illinois | Parent | 2/17/1987 | 9/9/1996 |
| First Bancshares Corporation Of Illinois | Parent | 12/31/1980 | 2/16/1987 |
| First Bancshares Corporation Of Illinois | Parent | 12/31/1976 | 12/30/1980 |
| First Bancshares Corporation Of Illinois | Parent | 7/1/1974 | 12/30/1976 |
| Metro Financial Service Corporation Inc | Subsidary | 3/7/1996 | 11/6/1996 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mercantile Bank Of St. Louis National Association | Buyer | 7,244,093 | Pooling of Interests | Discontinued | 8/23/1997 |
| The Bank Of Alton | Seller | 181,120 | Acquisition | Discontinued | 3/21/1997 |
| Metro Savings Bank, Fsb | Seller | 81,872 | Acquisition | Discontinued | 3/8/1996 |
| Wedge Bank | Seller | Pooling of Interests | Discontinued | 3/10/1995 | |
| Germaniabank, A Fsb | Seller | 392,161 | Failure | 7/27/1991 | |
| Bethalto Mercantile Bank, National Association | Seller | 22,084 | Discontinued | 5/20/1988 |