X0306 4 2018-05-15 0 0001723089 Apergy Corp APY 0001737911 Broussard Amy Thompson C/O APERGY CORPORATION, 2445 TECHNOLOGY FOREST BLVD., BUILDING 4, FLOOR 12 THE WOODLANDS TX 77381 0 1 0 0 Senior VP & Chief HR Officer Common Stock 2018-05-15 4 A 0 2136 0.00 A 2419 D Common Stock 2018-05-16 4 A 0 10419 0.00 A 12838 D Common Stock 147 I By 401(k) Plan Stock Appreciation Right 31.55 2018-05-15 4 A 0 4754 0.00 A 2018-05-15 2025-02-12 Common Stock 4754 4754 D Stock Appreciation Right 24.65 2018-05-15 4 A 0 6085 0.00 A 2019-02-11 2026-02-11 Common Stock 6085 6085 D Stock Appreciation Right 34.13 2018-05-15 4 A 0 11719 0.00 A 2020-02-10 2027-02-10 Common Stock 11719 11719 D Includes 283 shares received on May 9, 2018 in a pro rata distribution by Dover Corporation exempt from reporting. These shares were received on May 9, 2018 in a pro rata distribution by Dover Corporation exempt from reporting. /s/ Julia Wright, as attorney-in-fact 2018-05-17