| Relationships | Role | Relationship Start | Relationship End |
| M&I Llc | Parent | 12/31/1983 | 3/31/2001 |
| M&I Llc | Parent | 10/31/1972 | 12/30/1983 |
| M&I Citizens Investment Corporation | Subsidary | 7/1/1991 | 3/31/2001 |
| M&I Citizens Holdings, Inc. | Subsidary | 1/1/1999 | 3/31/2001 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| M&I Marshall And Ilsley Bank | Buyer | 44,975,270 | Pooling of Interests | Discontinued | 4/1/2001 |