UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP ( ) Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instructions 1(b). 1. Name and Address of Reporting Person Tyree B. Miller 1 Bank One Plaza Mail Code IL1-0892 IL, Chicago 60670-0892 2. Issuer Name and Ticker or Trading Symbol BANK ONE CORPORATION (ONE) 3. IRS or Social Security Number of Reporting Person (Voluntary) 4. Statement for Month/Day/Year 2/18/2003 5. If Amendment, Date of Original (Month/Day/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) ( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other (specify below) Executive Vice President 7. Individual or Joint/Group Filing (Check Applicable Line) (X) Form filed by One Reporting Person ( ) Form filed by More than One Reporting Person ___________________________________________________________________________________________________________________________________ Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned | ___________________________________________________________________________________________________________________________________| 1. Title of Security|2. |2A. |3. |4.Securities Acquired (A) |5.Amount of |6.Dir |7.Nature of Indirect | |Trans-|Exec- |Trans | or Disposed of (D) | Securities |ect | Beneficial Ownership | |action|ution |action| | Beneficially |(D)or | | | | | | | | A/| | Owned Following |Indir | | |Date | Date |Code|V| Amount | D | Price | Reported Trans(s)|ect(I)| | ___________________________________________________________________________________________________________________________________| Common Stock |2/18/ | |F | |551 |D |36.21 |42244 |D | | |2003 | | | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Common Stock | | | | | | | |7680 |I |401(k) | -----------------------------------------------------------------------------------------------------------------------------------| Common Stock | | | | | | | |1500 |I |Rollover IRA | -----------------------------------------------------------------------------------------------------------------------------------| Common Stock | | | | | | | |900 |I |SEP IRA | -----------------------------------------------------------------------------------------------------------------------------------| ___________________________________________________________________________________________________________________________________| ___________________________________________________________________________________________________________________________________| Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned | ___________________________________________________________________________________________________________________________________| 1.Title of |2.Con- |3. |3A. |4. |5.Number of De |6.Date Exer|7.Title and Amount |8.Price|9.Number |10.|11.Nature of| Derivative |version |Trans- |Deemed|Trans-| rivative Secu |cisable and| of Underlying |of Deri|of Deriva |Dir|Indirect | Security |or Exer |action | |action| rities Acqui |Expiration | Securities |vative |tive |ect|Beneficial | |cise | |Execu-| | red(A) or Dis |Date(Month/| |Secu |Securities |(D)|Ownership | |Price of| |ution | | posed of(D) |Day/Year) | |rity |Benefi |or | | |Deriva- | | | | |Date |Expir| | |ficially |Ind| | |tive | | | | | A/|Exer-|ation| Title and Number | |Owned Follow|ire| | |Secu- |(Month/|(Month| | | | D |cisa-|Date | of Shares | |ing Reported|ct | | |rity |Day/ |/Day/ |Code|V| Amount | |ble | | | |Trans- |(I)| | | |Year) |Year) | | | | | | | | |action(s) | | | ___________________________________________________________________________________________________________________________________| | | | | | | | | | | | | | | | | ___________________________________________________________________________________________________________________________________| Explanation of Responses: SIGNATURE OF REPORTING PERSON Tyree B. Miller TYREE B. MILLER By: Laurence Goldman, Attorney-In-Fact