| Relationships | Role | Relationship Start | Relationship End |
| Blackhawk Bancorp, Inc. | Parent | 4/30/1997 | 3/30/1998 |
| Rsl, Inc. | Subsidary | 4/30/1997 | 3/30/1998 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Blackhawk Bank | Buyer | 658,766 | Pooling of Interests | Discontinued | 3/31/1998 |