| Relationships | Role | Relationship Start | Relationship End |
| Plainscapital Bank | Parent | 3/1/2003 | 9/30/2006 |
| Plainscapital Securities, Llc | Subsidary | 3/1/2003 | 9/30/2006 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Plainscapital Securities, Llc | Buyer | Discontinued | 10/1/2006 |