SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549


 

FORM 8-K


 

Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934



 

Date of Report (Date of earliest event reported):     April 20, 2004

 


BANK ONE CORPORATION

(Exact name of registrant as specified in its charter)

 


Delaware   001-15323   31-0738296

(State or other jurisdiction

of incorporation)

  (Commission File Number)  

(IRS Employer

Identification No.)

 

1 Bank One Plaza, Chicago, IL                           60670

(Address of principal executive offices)              (Zip Code)

 

Registrant’s telephone number, including area code:   312-732-4000

 

 

 

Item 5.    Other Events and Regulation FD Disclosure

 


  See Item 12 below.

 

 

 

Item 7.    Financial Statements, Pro Forma Financial Information and Exhibits

 


(c)   Exhibits.  

 


    Exhibit Number Description of Exhibits

    99(a) Registrant’s April 20, 2004 News Release announcing its 2004 first quarter earnings.

Item 12.    Results of Operations and Financial Condition


 

On April 20, 2004, the Registrant issued a news release announcing its 2004 first quarter earnings. A copy of the news release, including unaudited financial information released as a part thereof, is attached as Exhibit 99(a) to this Current Report on Form 8-K and incorporated by reference herein.


SIGNATURES

 


Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 



   

BANK ONE CORPORATION

      (Registrant)

Date: April 20, 2004

 

By:

 

/s/    Heidi Miller


    Title:   Chief Financial Officer

 



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EXHIBIT INDEX

 




Exhibit Number
  

Description of Exhibits

99(a)   

Registrant’s April 20, 2004 News Release announcing its 2004

  

first quarter earnings.



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