X0306 4 2019-11-02 0 0001604643 Evoqua Water Technologies Corp. AQUA 0001720191 Webster Anthony EVOQUA WATER TECHNOLOGIES CORP. 210 SIXTH AVENUE PITTSBURGH PA 15222 0 1 0 0 Executive Vice President, CHRO Common Stock 2019-11-02 4 F 0 16138 17.69 D 72730 D This amount includes 9,866 unvested restricted stock units in respect of the issuer's common stock. Subject to the reporting person's continued employment with the issuer through the applicable vesting date, these restricted stock units are scheduled to vest in equal installments on each of January 1, 2020, January 1, 2021, January 1, 2022 and January 1, 2023 and settle within 30 days of the applicable vesting date. /s/ John DiMascio, Attorney-in-Fact for Anthony Webster 2019-11-05