Relationships	Role	Relationship Start	Relationship End
Firstar Corporation	Parent	12/11/1999	3/7/2000
Ameribanc, Inc.	Parent	9/10/1996	12/10/1999
Mercantile Bancorporation Inc. Of Arkansas	Parent	12/29/1995	9/9/1996
Mercantile Bancorporation Inc. Of Arkansas	Parent	5/2/1995	12/28/1995
Tcbankshares, Inc.	Parent	12/31/1992	5/1/1995
Tcbankshares, Inc.	Parent	1/30/1992	12/30/1992
Frank Lyon Company	Parent	12/31/1974	7/20/1989
Frank Lyon Company	Parent	12/31/1973	12/30/1974
Frank Lyon Company	Parent	12/31/1972	12/30/1973
Frank Lyon Company	Parent	12/31/1970	12/30/1972
Mercantile Financial Of Little Rock L.L.C.	Subsidary	8/4/1998	3/7/2000
Mercantile Financial Of Little Rock, Inc.	Subsidary	11/1/1997	8/3/1998
Twin City Capital Corporation,D/B/A Tcb Investor Services	Subsidary	1/30/1992	5/6/1997
Twin City Mortgage Company	Subsidary	6/2/1982	5/6/1997
Security Service Corporation	Subsidary	2/9/1996	5/6/1997
Security Investments Of Conway Inc	Subsidary	2/9/1996	3/28/1996

Acquisitions & Mergers	Role	Assets	Acct Method	Type	Transaction Date
U.S. Bank National Association	Buyer	448,401,205	Pooling of Interests	Discontinued	3/8/2000
Horizon Bank	Seller	21,931	Acquisition	Discontinued	6/13/1998
Mercantile Bank Of Heber Springs National Association	Seller	66,659	Pooling of Interests	Discontinued	8/16/1996
Mercantile Bank Of Crawford County, National Association	Seller	140,737	Pooling of Interests	Discontinued	8/16/1996
Mercantile Bank Of North Central Arkansas National Association	Seller	54,106	Pooling of Interests	Discontinued	8/16/1996
Mercantile Bank Of Conway County National Association	Seller	90,972	Pooling of Interests	Discontinued	8/16/1996
Security Bank Of Conway, Fsb	Seller	102,007	Acquisition	Discontinued	2/10/1996
Home Federal Savings Of Kansas City	Seller	2,253,960		Failure	3/28/1992