| Relationships | Role | Relationship Start | Relationship End |
| Chemical Financial Corporation | Parent | 9/1/2016 | |
| Chemical Bank | Parent | 6/30/2007 | 8/31/2016 |
| Chemical Bank | Parent | 3/1/2006 | 6/29/2007 |
| Chemical Financial Corporation | Parent | 1/1/2002 | 2/28/2006 |
| Chemical Bank | Parent | 1/27/1997 | 12/31/2001 |