Donaldson Company, Inc. (NYSE: DCI), today announced that it has appointed Jeffrey Spethmann Vice President, Exhaust and Emissions, effective February 18 th. Spethmann is currently President and CEO of Waltek, Inc., a manufacturer of investment-cast metal parts and related assemblies. Spethmann, 48, was previously employed at Donaldson in a variety of engineering and technology positions from 1988 through 1999. From 1999 through 2011, Spethmann held positions of General Manager and then President of Blow Molded Specialties, Inc., a manufacturing company focused on the extrusion of blow molded parts and assemblies. Spethmann holds a Bachelor’s Degree in Mechanical Engineering from the University of Minnesota’s Institute of Technology and a Master’s Degree in Business Administration from the University of Minnesota’s Carlson School of Management. “Jeff brings a wealth of general management experience, as well as deep operations and technical knowledge, to our global Exhaust and Emissions business,” said Bill Cook, Donaldson’s CEO. “In this role, Jeff will lead our Exhaust and Emissions business’s continuing transition from a muffler business to an emission control business. The Exhaust and Emission business is operating very effectively today, providing a solid foundation for future key project wins from our global Customers.” About Donaldson Company, Inc. 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 13,000 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.