Relationships	Role	Relationship Start	Relationship End
Banc One Oklahoma Corporation	Parent	6/1/1997	12/5/1997
Liberty Bancorp, Inc.	Parent	7/17/1984	5/31/1997
First Tulsa Bancorporation, Inc.	Parent	12/31/1980	7/16/1984
First Tulsa Bancorporation, Inc.	Parent	12/31/1970	12/30/1980
Rockwell Bank	Subsidary	12/31/1992	12/4/1994
Rockwell Bank	Subsidary	12/20/1989	12/30/1992
Fifth & Boston Corporation	Subsidary	12/31/1970	12/20/1992
Liberty Bank Of Midwest City, National Association	Subsidary	12/18/1989	11/30/1992
Choctaw Bancorp, Inc.	Subsidary	12/18/1989	11/1/1992
First Tulsa Capital Markets, Inc.	Subsidary	10/1/1986	6/22/1992
Big Light, Inc.	Subsidary	3/1/1987	4/20/1992
Pottawatomie Resources Co., Inc.	Subsidary	12/1/1986	3/30/1992
Union Bank And Trust	Subsidary	3/24/1976	10/20/1977

Acquisitions & Mergers	Role	Assets	Acct Method	Type	Transaction Date
Bank One Trust Company, National Association	Buyer	1,584,353	Pooling of Interests	Discontinued	12/6/1997
Bank Of Tulsa	Seller	65,911		Discontinued	12/31/1993
First National Bank	Seller	33,957		Discontinued	3/1/1993
Continental Federal Savings And Loan Association, F.A.	Seller	230,037		Failure	8/10/1991
Bank Of Commerce And Trust Company	Seller	182,653		Failure	5/8/1986