| Relationships | Role | Relationship Start | Relationship End |
| Csbcc, Inc. | Parent | 12/29/1992 | 3/6/1997 |
| Corpus Christi Bancshares, Inc. | Parent | 3/1/1985 | 12/28/1992 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Frost Bank | Buyer | 29,633,441 | Pooling of Interests | Discontinued | 3/7/1997 |
| The First National Bank Of Taft | Seller | 41,832 | Acquisition | Discontinued | 11/1/1995 |