PRICING SUPPLEMENT Marshall & Ilsley Corporation Filed under Rule 424 (b)(2), Registration Statement No. 333-33814 Pricing Supplement No. 75 - dated 6/21/04 $500,000,000 (To Prospectus dated April 12, 2000, and Prospectus Marshall & Ilsley Corporation MiNotessm Due Nine Months or More from Date of Issue Supplement dated October 21, 2003) CUSIP Aggregate Price to Purchasing Proceeds Interest Rate Interest Payment Maturity Survivor's Number Principal Amount Public(1) Agent's Discount(1) Before Expenses(1) Per Annum Frequency Date Option (begin date) 57183MDE7 $1,123,000 100% 1.00% 99.00 4.550% Monthly 12/15/2009 YES (7/15/04) Senior Notes Redemption Information: 57183MDF4 $604,000 100% 1.20% 98.80 5.000% Monthly 12/15/2011 YES (7/15/04) Senior Notes Redemption Information: 57183MDG2 $862,000 100% 2.00% 98.00 5.500% to 6/14/09 Monthly 6/15/2023 YES 6.125% to 6/14/14 (7/15/04) Senior Notes 7.000% to 6/14/19 8.000% to 6/14/23 Redemption Information: Redeemable at the option of Marshall & Ilsley Corporation on 6/15/2005 and each interest payment date thereafter, at a price equal to 100% Merrill Lynch & Co. Marshall & Ilsley Corporation Trade Date:6/21/04 Purchasing Agent 770 North Water Street Issue Date:6/24/04 Acting as Principal Milwaukee, WI 53202 Minimum Denominations/Increments: $1,000/$1,000 Original Issue Discount: No All trades settle without accrued interest and clear SDFS: DTC Book-Entry only Merrill Lynch DTC Participant Number: 5132 (1) Expressed as a percentage of the aggregate principal amount. "MiNotes" is a service mark of Marshall & Ilsley Corporation. MW759506_1.DOC 2