| Relationships | Role | Relationship Start | Relationship End |
| Keystone Financial, Inc. | Parent | 12/31/1984 | 12/31/1987 |
| Mid-State Bancorp, Inc. | Parent | 9/21/1982 | 12/30/1984 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Keystone Investment Services | Buyer | Discontinued | 1/1/1988 |