| Relationships | Role | Relationship Start | Relationship End |
| Old Second Bancorp, Inc. | Parent | 6/13/1997 | 10/16/1998 |
| Old Second Bancorp, Inc. | Parent | 5/14/1997 | 6/12/1997 |
| Old Second National Bank | Subsidary | 6/13/1997 | 10/16/1998 |
| First State Bank Of Maple Park | Subsidary | 10/2/1984 | 6/12/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Old Second Bancorp, Inc. | Buyer | Discontinued | 10/17/1998 |