ATEX COMPLIANCE FROM DONALDSON

06/06/2003 FOR: Donaldson Europe Interleuvenlaan, 1 B3001, Leuven Belgium (NYSE: DCI) Donaldson Employee Kathleen Elder Donaldson Employee +32 16 38 39 70 IFS-europe@emea.donaldson.com FOR IMMEDIATE RELEASE ATEX COMPLIANCE FROM DONALDSON® LEUVEN, BELGIUM (6 June, 2003)– Donaldson®’s new ATEX Compliance brochure highlights the company’s capability to engineer collectors that meet the European directive (94/9/EC). Adding new considerations for evaluating filtration equipment in potentially explosive atmospheres, the ATEX directive requires all manufacturing plants opened after 1 July 2003 to be ATEX compliant at start-up. Existing plants will have until June 2006 to become ATEX compliant. For more information or to order an ATEX Compliance brochure, call +32 16 38 39 70 or send an e-mail