| Relationships | Role | Relationship Start | Relationship End |
| Chemical Financial Corporation | Parent | 12/31/1981 | 12/31/2000 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Chemical Bank West | Buyer | 914,347 | Pooling of Interests | Discontinued | 1/1/2001 |
| State Bank Of Crystal | Seller | Discontinued | 1/6/1964 | ||
| State Bank Of Edmore | Seller | Discontinued | 1/2/1960 |