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Pricing Supplement No. 4 Dated May 10, 1999 Filed Pursuant to: Rule 424(b)(3)
(To Prospectus dated April 1, 1999 File No.: 333-72791
Prospectus Supplement dated April 1, 1999)
BANK ONE CORPORATION
MEDIUM-TERM NOTES, SERIES B
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Date of Issue: May 12, 1999 [ ] Fixed Rate [ ] Commercial Paper Rate Note [ ] LIBOR Reuters
[X] Senior [ ] Federal Funds Rate Note [X] LIBOR Telerate
Maturity Date: May 12, 2004 [ ] Subordinated [ ] CD Rate Note [ ] Prime Rate Note
[ ] CMT Rate Note [ ] Treasury Rate Note
[ ] LIBOR Note [ ] Other
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CUSIP: 06422NEU6
Principal Amount: $25,000,000.00
Issue Price (As a Percentage of Principal Amount): 100%
Interest Rate/Initial Interest Rate: Not Available
Interest Payment Dates: 12th Day of February, May, August, November
Interest Reset Dates: 12th Day of February, May, August, November
Index Maturity: 90 days
Designated CMT Maturity Index:
Designated CMT Telerate Page:
Spread: + 17 Basis Points
Spread Multiplier: None
Minimum Interest Rate: None
Maximum Interest Rate: None
Interest Payment Period: May 12, 1999 to August 12, 1999 and quarterly
thereafter, up to but excluding the interest payment
date
Interest Rate Reset Period: May 12, 1999 to August 12, 1999 and quarterly
thereafter, up to but excluding the interest
payment date
Redemption Date(s) or Period: None
Optional Repayment Date(s): None
Calculation Agent (If Applicable): The First National Bank of Chicago
Additional Terms:
This Pricing Supplement may be used by Banc One Capital Markets, Inc. ("BOCM"),
a wholly owned subsidiary of the issuer, in connection with offer and sales
related to secondary market transactions in the Notes. BOCM may act as principal
or agent in such transactions. Such sales will be made at prices related to the
prevailing market prices at the time of sale.
