| Relationships | Role | Relationship Start | Relationship End |
| First Midwest Bancorp., Inc. | Parent | 5/1/1970 | 10/11/1985 |
| United Security Bank | Subsidary | 10/14/1982 | 10/11/1985 |
| Bates County Bancshares, Inc. | Subsidary | 10/15/1982 | 10/11/1985 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Commerce Bank Of St. Joseph, National Association | Buyer | 319,463 | Failure | 10/12/1985 | |
| The First Trust Bank | Seller | 35,873 | Discontinued | 9/7/1981 |