Effective August 9, 2018, the Board of Directors of Apergy Corporation appointed Mr. Michael White as the principal accounting officer (PAO") of the Company for purposes of the Company's filings with the Securities and Exchange Commission. Mr. White joined the Company on May 7, 2018, and is the Company's Vice President, Corporate Controller and Chief Accounting Officer. He will continue to serve in those capacities in addition to being the PAO. Prior to Mr. White's appointment as PAO, Jay A. Nutt, the Company's Senior Vice President and Chief Financial Officer served as the principal accounting officer of the Company. Prior to joining the Company, Mr. White, 45, was Senior Vice President, Corporate Controller and Chief Accounting Officer at Aegion Corporation from October 2013 to May 2018, and was Chief Financial Officer of Sungard Energy Systems from November 2010 to October 2013.