POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that I, Willard D. Oberton hereby constitute and appoint Amy C. Becker, Scott J. Robinson, Melissa A. Osland, and Tod E. Carpenter, and each of them, my true and lawful attorneys-in-fact and agents, each acting alone, with full powers of substitution and resubstitution, for me and in my name, place and stead, to sign any reports on Form 3 (Initial Statement of Beneficial Ownership of Securities), Form 4 (Statement of Changes in Beneficial Ownership of Securities) and Form 5 (Annual Statement of Changes in Beneficial Ownership) relating to transactions by me in Common Stock or other securities of Donaldson Company, Inc., and all amendments thereto, and to file the same, with the Securities and Exchange Commission and the New York Stock Exchange, Inc., granting unto said attorneys-in-fact and agents, and each of them, or their substitutes, full power and authority to do and perform each and every act and thing requisite or necessary to be done, as fully to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each of them, or their substitutes, may lawfully do or cause to be done by virtue hereof. This Power of Attorney shall be effective until such time as I deliver a written revocation thereof to the above-named attorneys-in-fact and agents. Dated: May 25, 2016 /s/Willard D. Oberton (signature) Willard D. Oberton