X0306 4 2020-06-10 0 0001467652 Neos Therapeutics, Inc. NEOS 0001542298 Fong Bryant C/O NEOS THERAPEUTICS, INC. 2940 N. HWY 360 GRAND PRAIRIE TX 75050 1 0 0 0 Common Stock 2020-06-10 4 A 0 23453 0 A 24953 D Represents shares of common stock underlying restricted stock unit grants awarded to the Reporting Person. The restricted stock units will vest on the one-year anniversary of June 10, 2020. /s/ Richard Eisenstadt, attorney in fact 2020-06-11