Annual Meeting 10-K Reports Shareholder Information Dividend Reinvestment Plan NYSE Listing Auditors Public Relations Counsel Transfer Agent and Registrar SIX-YEAR QUARTERLY HIGH-LOW STOCK PRICES 32 The annual meeting of shareholders will be held at 10 a.m. on Friday, November 16, 2001, at Donaldson Company, Inc., 1400 West 94th Street, Bloomington, Minnesota. You are welcome to attend. The common shares of Donaldson Company, Inc. are traded on the New York Stock Exchange, under the symbol DCI. For any concerns relating to your current or prospective shareholdings, please contact Shareowner Services at (800)468-9716 or (651)450-4064. Copies of the Report 10-K, filed with the Securities and Exchange Commission, are available on request from Shareholder Services, Donaldson Company, Inc., M.S. 101, P.O. Box 1299, Minneapolis, MN 55440. As of September 21, 2001, 1,107 of Donaldson Company’s approximately 1,799 shareholders of record were partici- pating in the Dividend Reinvestment Plan. Under the plan, shareholders can invest Donaldson Company dividends in additional shares of company stock. They may also make periodic voluntary cash investments for the purchase of company stock. Both alternatives are provided without service charges or brokerage commissions. Shareholders may obtain a brochure giving further details by writing Wells Fargo Bank Minnesota, N.A., Shareowner Services, P.O. Box 64854, St. Paul, MN 55164-0854. Arthur Andersen LLP  Minneapolis, Minnesota Padilla Speer Beardsley Inc. Minneapolis, Minnesota Wells Fargo Bank Minnesota, N.A. South St. Paul, Minnesota 4Q 4Q 4Q 4Q 4Q 4Q 3Q 3Q 3Q 3Q 3Q 3Q 2Q 2Q 2Q 2Q 2Q 2Q 1Q 1Q 1Q 1Q 1Q 1Q 1996 1997 1998 1999 2000 2001 High Low 13.19 13.06 13.94 14.00 11.94 12.06 12.81 12.00 14.63 17.00 18.31 20.38 12.69 14.31 15.38 17.75 27.19 25.69 26.19 25.13 20.31 22.25 22.63 18.56 21.94 21.00 23.50 25.88 14.44 17.69 17.25 21.94 23.50 24.81 24.06 24.25 19.50 20.63 20.25 19.13 23.86 29.48 28.92 33.05 19.13 21.62 24.39 27.30 CORPORATE AND SHAREHOLDER INFORMATION