Donaldson Company, Inc. (NYSE: DCI), announced today that it has appointed Sheila C. Peyraud as Vice President and Chief Technology Officer, effective December 17 th. Peyraud is replacing Debra Wilfong, who resigned for a senior position with British Petroleum. Peyraud, 57, first joined Donaldson in 1978 and for the first ten years held a number of roles in Corporate Technology. Of particular note is the patent she received for the development of Pleatloc, a technology which is still widely used today. Following her roles in Corporate Technology, she held leadership positions in Special Applications and Industrial Filtration Solutions, before assuming her current role as General Manager of our Aerospace and Defense business in 2004. Peyraud earned a B.U.S. degree from the University of New Mexico and an MBA from the University of St. Thomas. “Sheila brings a deep understanding of our business and products, as well as strong leadership skills to her new responsibilities,” said Charlie McMurray, Donaldson’s Senior Vice President and Chief Administrative Officer. “Sheila’s previous experiences in Corporate Technology and in growing a number of our businesses uniquely position her to lead a talented Corporate Technology team and continue the great progress we have made in developing and deploying our industry-leading technologies. In this role, Sheila will be focusing her team on maintaining our air filtration technology and product leadership, achieving technology leadership in fuel filtration, establishing local laboratories to support Customers in key locations, and enhancing global intellectual property practices to protect key technologies and products.” 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.