| Relationships | Role | Relationship Start | Relationship End |
| Thunderbird Bank | Parent | 2/1/1999 | 5/31/2001 |
| M&I Thunderbird Investment Ii Corporation | Subsidary | 2/1/1999 | 5/31/2001 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| M&I Marshall & Ilsley Holdings, Inc. | Buyer | Discontinued | 6/1/2001 |