| Relationships | Role | Relationship Start | Relationship End |
| Nb Holdings Corporation | Parent | 1/7/1997 | 6/13/1997 |
| Boatmen's Bancshares, Inc. | Parent | 9/30/1987 | 1/6/1997 |
| Boatmen's Bancshares, Inc. Of Illinois | Parent | 12/23/1985 | 9/29/1987 |
| Hnb Bancorp, Inc. | Parent | 4/17/1984 | 12/22/1985 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank Of America, National Association | Buyer | 322,913,000 | Pooling of Interests | Discontinued | 6/14/1997 |
| Boatmen's National Bank Of Benld | Seller | 45,462 | Discontinued | 2/29/1992 |