X0306 4 2020-06-16 0 0001782754 AZEK Co Inc. AZEK 0001192519 NICOLETTI RALPH J 1330 W FULTON STREET #350 CHICAGO IL 60607 0 1 0 0 See Remarks Nonqualified stock option (right to buy) 23.00 2020-06-16 4 A 0 359348 0.00 A 2030-06-16 Class A common stock 359348 359348 D Includes 179,674 options that will vest if the applicable performance metrics are satisfied for the relevant measurement period and 143,739 options that will vest in equal installments on January 9, 2021, 2022, 2023 and 2024, subject to continued service through the applicable vesting date. Senior Vice President and Chief Financial Officer /s/ Paul J. Kardish, attorney-in-fact for Ralph J. Nicoletti 2020-06-18