X0306 4 2020-06-16 0 0001782754 AZEK Co Inc. AZEK 0001345109 Jorgensen Greg 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 56740 0.00 A 2030-06-16 Class A common stock 56740 56740 D Nonqualified stock option (right to buy) 23.00 2020-06-16 4 A 0 17340 0.00 A 2030-06-16 Class A common stock 17340 17340 D Includes 28,370 options that will vest if the applicable performance metrics are satisfied for the relevant measurement period and 22,696 options that will vest in equal installments on April 15, 2021, 2022, 2023 and 2024, subject to continued service through the applicable vesting date. Includes 8,670 options that will vest if the applicable performance metrics are satisfied for the relevant measurement period and 8,670 options that will vest in equal installments on June 16, 2021, 2022, 2023 and 2024, subject to continued service through the applicable vesting date. Vice President and Chief Accounting Officer /s/ Paul J. Kardish, attorney-in-fact for Gregory T. Jorgensen 2020-06-18