| Relationships | Role | Relationship Start | Relationship End |
| M&I Marshall And Ilsley Bank | Parent | 12/31/1976 | 12/30/1999 |
| M&I Llc | Parent | 12/31/1970 | 12/30/1976 |
| M&I Building Corp. | Subsidary | 12/31/1976 | 12/30/1999 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| M&I Marshall And Ilsley Bank | Buyer | 44,975,270 | Pooling of Interests | Discontinued | 12/31/1999 |