MARSHALL & ILSLEY CORPORATION





UNITED STATES

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):  May 10, 2005



MARSHALL & ILSLEY CORPORATION

(Exact name of registrant as specified in its charter)




           Wisconsin              

    1-15403    

      39-0968604      

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)


770 North Water Street

            Milwaukee, Wisconsin             

 


   53202   

(Address of principal executive offices)

 

(Zip Code)

   


Registrant’s telephone number, including area code:  (414) 765-7801


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


x

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


¨

Soliciting material pursuant to Rule 14a-12 under the Securities Act (17 CFR 240.14a-12)


¨

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))


¨

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))



Item 8.01.  Other Events.

On May 10, 2005, Metavante Corporation, a wholly-owned subsidiary of Marshall & Ilsley Corporation (“M&I”), issued a press release announcing the signing of a definitive merger agreement to acquire Med-i-Bank, Inc.  A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The press release does not constitute an offer of any securities for sale.  M&I intends to file with the Securities and Exchange Commission a registration statement on Form S-4, which will include a proxy statement/prospectus and other relevant materials in connection with the transaction described in this press release.  Investors and security holders are advised to read the proxy statement/prospectus when it becomes available, because it will contain important information regarding the proposed transaction.  Security holders may receive a free copy of the proxy statement/prospectus (when available) and other related documents filed by M&I at the Commission’s website at http:\\www.sec.gov or from M&I.

Item 9.01.  Financial Statements and Exhibits.

Exhibit No.

Description

  

99.1

Press Release dated May 10, 2005


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.

Dated:  May 10, 2005

MARSHALL & ILSLEY CORPORATION

  
  
 

By: /s/ Randall J. Erickson                                 

 

Randall J. Erickson

Senior Vice President, General Counsel and

Secretary




EXHIBIT INDEX

Exhibit No.

Description

  

99.1

Press Release dated May 10, 2005