| Relationships | Role | Relationship Start | Relationship End |
| Old Second Bancorp, Inc. | Parent | 6/28/1991 | 2/11/2000 |
| Affiliated Banc Group, Inc. | Parent | 10/31/1987 | 6/27/1991 |
| Affiliated Banc Group, Inc. | Parent | 1/1/1987 | 10/30/1987 |
| Burlington Capital Corporation | Parent | 12/31/1984 | 12/31/1986 |
| Burlington Capital Corporation | Parent | 12/31/1970 | 12/30/1984 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Old Second Bank-Kane County | Buyer | 418,827 | Pooling of Interests | Discontinued | 2/12/2000 |