| Relationships | Role | Relationship Start | Relationship End |
| M&I Bank South | Parent | 5/16/1988 | 4/30/2001 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bmo Harris Investment Company Llc | Buyer | Discontinued | 5/1/2001 | ||
| M&I Beloit Investment Corporation | Seller | Discontinued | 7/1/1997 | ||
| M&I Delavan Investment Corporation | Seller | Discontinued | 7/1/1997 |