| Relationships | Role | Relationship Start | Relationship End |
| Prairie Acquisition Corporation | Parent | 4/30/1991 | 10/10/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Unionbank/Central | Buyer | 139,460 | Pooling of Interests | Discontinued | 10/11/1997 |