| Relationships | Role | Relationship Start | Relationship End |
| Keycorp | Parent | 4/24/1996 | 6/16/1996 |
| Keycorp | Parent | 1/7/1996 | 4/23/1996 |
| Society Bancorp Of Michigan, Inc. | Parent | 1/7/1996 | 4/23/1996 |
| Society Bancorp Of Michigan, Inc. | Parent | 10/1/1987 | 1/6/1996 |
| Citizens Trust Bancorp, Inc. | Parent | 7/1/1986 | 9/30/1987 |
| Cibco Realty, Inc. | Subsidary | 1/8/1996 | 6/16/1996 |
| Indore Corp. | Subsidary | 1/8/1996 | 6/16/1996 |
| Key Trust Company Of Indiana, National Association | Subsidary | 1/8/1996 | 6/16/1996 |
| Kia Holding Co. | Subsidary | 3/20/1996 | 6/16/1996 |
| Enterprise Development Fund Ii, Limited Partnership | Subsidary | 4/5/1995 | 4/8/1996 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Keybank National Association | Buyer | 101,264,880 | Pooling of Interests | Discontinued | 6/17/1996 |
| Society Bank, Indiana | Seller | 1,043,245 | Pooling of Interests | Discontinued | 1/8/1996 |
| Society National Bank, Sturgis | Seller | 95,575 | Discontinued | 3/13/1993 | |
| Society Bank, Monroe | Seller | 155,132 | Discontinued | 3/13/1993 | |
| Society Bank, Lenawee | Seller | 179,351 | Discontinued | 9/10/1990 | |
| Trustcorp Bank | Seller | 129,575 | Discontinued | 3/1/1990 | |
| The Citizens Bank Of Saline | Seller | 74,215 | Discontinued | 12/31/1983 |