| Relationships | Role | Relationship Start | Relationship End |
| Wells Fargo & Company | Parent | 12/31/1984 | 12/31/1989 |
| Wells Fargo & Company | Parent | 5/23/1979 | 12/30/1984 |
| First Main Corporation | Parent | 12/31/1976 | 5/22/1979 |
| First Main Corporation | Parent | 12/31/1970 | 12/30/1976 |
| Heritage Growth Companies, Inc. | Subsidary | 8/1/1983 | 12/31/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Wells Fargo Bank Iowa, National Association | Buyer | 6,606,799 | Discontinued | 1/1/1990 |