| Relationships | Role | Relationship Start | Relationship End |
| Old Second National Bank | Parent | 10/2/2006 | 12/31/2009 |
| Old Second Realty Llc | Subsidary | 10/2/2006 | 12/31/2009 |
| Relationships | Role | Relationship Start | Relationship End |
| Old Second National Bank | Parent | 10/2/2006 | 12/31/2009 |
| Old Second Realty Llc | Subsidary | 10/2/2006 | 12/31/2009 |