X0306 4 2020-06-16 0 0001782754 AZEK Co Inc. AZEK 0001814385 VanWinter Scott 1330 W FULTON STREET #350 CHICAGO IL 60607 0 1 0 0 President, Commercial Segment Nonqualified stock option (right to buy) 23.00 2020-06-16 4 A 0 152173 0.00 A 2030-06-16 Class A common stock 152173 152173 D Includes 76,086 options that will vest if the applicable performance metrics are satisfied for the relevant measurement period and 30,435 options that will vest in equal installments on December 6, 2020 and 2021, subject to continued service through the applicable vesting date. /s/ Paul J. Kardish, attorney-in-fact for Scott P. Van Winter 2020-06-18