| Relationships | Role | Relationship Start | Relationship End |
| Prairie Acquisition Corporation | Parent | 1/31/1992 | 11/7/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Union Bank/West | Buyer | 159,940 | Pooling of Interests | Discontinued | 11/8/1997 |