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 30, 2004 -------------- DONALDSON COMPANY, INC. ----------------------- (Exact name of Registrant as specified in its charter) Delaware 1-7891 41-0222640 ------------------ --------------------------- -------------------- (State of (Commission File No.) (IRS Employer Incorporation) Identification No.) 1400 West 94th Street Minneapolis, Minnesota 55431 ---------------------------- (Address of principal executive offices, including zip code) (952) 887-3131 -------------- (Registrant's telephone number, including area code) Not Applicable -------------- (Former name or former address, if changed since last Report) Item 7. FINANCIAL STATEMENTS AND EXHIBITS (c) EXHIBITS. 99.1 Press release dated April 30, 2004 issued by Donaldson Company Inc. Item 9. REGULATION FD DISCLOSURE On April 30, 2004, Donaldson Company, Inc. issued a press release announcing the sale of its Stow, Ohio manufacturing plant. A copy of the press release is furnished herewith as Exhibit 99.1. SIGNATURE 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. DONALDSON COMPANY, INC. By /s/ Thomas R. VerHage -------------------------------------------- Name: Thomas R. VerHage Title: Vice President and Chief Financial Officer Date: May 3, 2004 2 EXHIBIT INDEX Exhibit Description 99.1 Press Release announcing Donaldson Company, Inc.'s sale of its Stow, OH manufacturing plant, dated April 30, 2004 3