Donaldson Company, Inc. (NYSE:DCI) announced today that Rich Sheffer, Assistant Treasurer and Director of Investor Relations, will present at the 2012 InvestMNt Conference in Minneapolis, Minnesota, on May 24 th at 8:00 a.m. CDT (9:00 a.m. EDT). The conference is sponsored by The CFA Society of Minnesota. The presentation will be webcast live through the Investor Relations section of our website, http://ir.donaldson.com/. Advance registration is required for the webcast – see the site for details. About Donaldson Company Donaldson is a leading worldwide provider of filtration systems that improve people’s lives, enhance our Customers’ equipment performance, and protect our environment. We are a technology-driven Company committed to satisfying our Customers’ needs for filtration solutions through innovative research and development, application expertise, and global presence. Our approximately 13,300 employees contribute to the Company’s success by supporting our Customers at our more than 100 sales, manufacturing, and distribution locations around the world. Donaldson is a member of the S&P MidCap 400 and Russell 1000 indices, and our shares trade on the NYSE under the symbol DCI. Additional information is available at www.donaldson.com.