| Relationships | Role | Relationship Start | Relationship End |
| Old Kent-Illinois, Inc. | Parent | 1/1/1989 | 1/31/1992 |
| Illinois Regional Bancorp, Inc. | Parent | 5/30/1981 | 12/31/1988 |
| Elmhurst Safe Deposit Company | Subsidary | 5/30/1981 | 10/31/1983 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Old Kent Bank | Buyer | 2,074,657 | Discontinued | 2/1/1992 | |
| St. Charles Federal Savings Association | Seller | 79,398 | Failure | 12/1/1990 | |
| Old Kent Bank-St. Charles, National Association | Seller | 54,548 | Discontinued | 11/1/1990 | |
| Old Kent Bank | Seller | 162,442 | Discontinued | 11/1/1990 | |
| Old Kent Bank-Northwest | Seller | 36,843 | Discontinued | 12/30/1989 |