| Relationships | Role | Relationship Start | Relationship End |
| Wells Fargo & Company | Parent | 12/31/1993 | 2/9/1995 |
| Wells Fargo & Company | Parent | 12/31/1979 | 12/30/1993 |
| Wells Fargo & Company | Parent | 12/31/1977 | 12/30/1979 |
| Wells Fargo & Company | Parent | 12/31/1976 | 12/30/1977 |
| Wells Fargo & Company | Parent | 5/9/1956 | 12/30/1976 |
| Securities Asset Management I, Inc. | Subsidary | 5/23/1994 | 2/9/1995 |
| Helena Financial Services | Subsidary | 6/1/1980 | 12/2/1991 |
| Helena First Corporation | Subsidary | 6/20/1969 | 12/31/1984 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Wells Fargo Bank Montana, National Association | Buyer | 1,619,871 | Pooling of Interests | Discontinued | 2/10/1995 |