| Relationships | Role | Relationship Start | Relationship End |
| Northstar Bank | Parent | 5/20/2011 | 12/30/2011 |
| Treaty Oak Bank | Parent | 2/9/2011 | 5/19/2011 |
| Treaty Oak Bancorp, Inc. | Parent | 11/16/2006 | 2/8/2011 |
| Treaty Oak Holdings, Inc. | Parent | 10/1/2004 | 11/15/2006 |
| Relationships | Role | Relationship Start | Relationship End |
| Northstar Bank | Parent | 5/20/2011 | 12/30/2011 |
| Treaty Oak Bank | Parent | 2/9/2011 | 5/19/2011 |
| Treaty Oak Bancorp, Inc. | Parent | 11/16/2006 | 2/8/2011 |
| Treaty Oak Holdings, Inc. | Parent | 10/1/2004 | 11/15/2006 |