X0306 4 2018-04-30 1 0001723089 Apergy Corp APY 0000029905 DOVER Corp 3005 HIGHLAND PARKWAY DOWNERS GROVE IL 60515 0 0 1 0 Common Stock 2018-04-30 4 J 0 100 0.00 D 0 D As of the date of this report, Dover Corporation ("Parent") has announced its intention to spin-off Apergy Corporation ("APY") from Parent. The record date for the distribution of all of the APY common stock owned by Parent to the holders of Parent common stock was April 30, 2018. Parent is expected to distribute all of the common stock of APY on May 9, 2018. The reported disposition represents 100% of Parent's equity holdings in APY on the record date. /s/ Ivonne M. Cabrera Senior Vice President, General Counsel & Secretary 2018-05-02