Relationships	Role	Relationship Start	Relationship End
M&I Llc	Parent	2/29/1988	3/31/2001
M&I Llc	Parent	2/28/1988	2/28/1988
Central Wisconsin Bankshares, Inc.	Parent	12/31/1980	2/27/1988
Central Wisconsin Bankshares, Inc.	Parent	12/31/1974	12/30/1980
Central Wisconsin Bankshares, Inc.	Parent	12/31/1970	12/30/1974
M&I First American Investment Corporation	Subsidary	7/1/1991	3/31/2001
M&I First American Holdings, Inc.	Subsidary	1/1/1999	3/31/2001
First American Investment Inc	Subsidary	7/16/1984	4/15/1987

Acquisitions & Mergers	Role	Assets	Acct Method	Type	Transaction Date
M&I Marshall And Ilsley Bank	Buyer	44,975,270	Pooling of Interests	Discontinued	4/1/2001
M&I Bank Of Mosinee	Seller	35,263	Pooling of Interests	Discontinued	5/1/1995
M&I Central National Bank	Seller	25,383		Discontinued	7/21/1990