<PAGE>
<TABLE>
<CAPTION>
<S> <C>
Pricing Supplement No. 13 Dated March 4, 1999 Filed Pursuant to: Rule 424(b)(3)
(To Prospectus dated October 27, 1998 and File No.: 333-38387-99
Prospectus Supplement dated November 4, 1998)
</TABLE>
BANK ONE CORPORATION
MEDIUM-TERM NOTES, SERIES A
<TABLE>
<S> <C> <C> <C>
Date of Issue: 3/9/99 [ ] Fixed Rate [ ] Commercial Paper Rate Note [ ] LIBOR Reuters
[X] Senior [ ] Federal Funds Rate Note [X] LIBOR Telerate
Maturity Date: 3/15/01 [ ] Subordinated [ ] CD Rate Note [ ] Prime Rate Note
[ ] CMT Rate Note [ ] Treasury Rate Note
[ ] LIBOR Note [ ] Other
</TABLE>
CUSIP: 06422N CU 8
Principal Amount: $15,000,000.00
Issue Price (As a Percentage of Principal Amount): 100%
Interest Rate/Initial Interest Rate: Not Available
Interest Payment Dates: 15th Day of Each Month
Interest Reset Dates: 15th Day of Each Month
Index Maturity: 30 days
Designated CMT Maturity Index:
Designated CMT Telerate Page:
Spread: + 6 basis points
Spread Multiplier: None
Minimum Interest Rate: None
Maximum Interest Rate: None
Interest Payment Period: March 9, 1999 to April 15, 1999 and monthly thereafter,
up to but excluding the interest payment day
Interest Rate Reset Period: March 9, 1999 to April 15, 1999 and monthly
thereafter, up to but excluding the interest payment
day
Redemption Date(s) or Period: None
Optional Repayment Date(s): None
Calculation Agent (If Applicable): The First National Bank of Chicago
Additional Terms:
Correction to Supplement Number 12: The CUSIP listed in Pricing Supplement
Number 12 should be 06422QAA7, not 06422OAA7.
This Pricing Supplement may be used by First Chicago Capital Markets, Inc.
("FCCM") and Banc One Capital Markets, Inc. ("BOCM"), wholly owned subsidiaries
of the issuer, in connection with offer and sales related to secondary market
transactions in the Notes. FCCM and 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.
