| Relationships | Role | Relationship Start | Relationship End |
| Midamerican Corporation | Parent | 7/26/1985 | 12/30/1988 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mercantile Bank | Buyer | 1,716,782 | Discontinued | 12/31/1988 | |
| Kansas American Bank | Seller | 25,707 | Failure | 7/26/1985 |