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Exhibit 23.1
CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
To BANK ONE CORPORATION:
As independent public accountants, we hereby consent to the incorporation
by reference in this Registration Statement of our report dated January 17,
2000, on the consolidated financial statements of BANK ONE CORPORATION included
in the Form 10-K of BANK ONE CORPORATION as of December 31, 1999 and 1998 and
for the three years ended December 31, 1999 and to the reference to our Firm
under the caption "Experts" included in this Registration Statement.
/s/ Arthur Andersen LLP
Chicago, Illinois,
September 11, 2000
