azek-defa14a_20230228.htm

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. __)

☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))


☒	No fee required.

☐	Fee paid previously with preliminary materials.

☐	Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

Your Vote Counts! THE AZEK COMPANY INC. 2023 Annual Meeting Vote by February 27, 2023 11:59 PM ET THE AZEK COMPANY INC. 1330 W FULTON STREET, #350 CHICAGO, IL 60607 D94538-P81749 You invested in THE AZEK COMPANY INC. and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the shareholder meeting to be held on February 28, 2023. Get informed before you vote View the Notice, Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to February 14, 2023. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. For complete information and to vote, visit www.ProxyVote.com Control # Vote Virtually at the Meeting* February 28, 2023 10:00 AM EST Smartphone users Point your camera here and vote without entering a control number Virtually at: www.virtualshareholdermeeting.com/AZEK2023 *Please check the meeting materials for any special requirements for meeting attendance. V1.1

Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming shareholder meeting. Please follow the instructions on the reverse side to vote these important matters. Board Recommends Voting Items 1. Election of Directors Nominees: For 01) Gary Hendrickson 02) Howard Heckes 03) Bennett Rosenthal 04) Jesse Singh For 2. To ratify the appointment of PricewaterhouseCoopers LLP as our independent registered public accounting firm for our fiscal year ending September 30, 2023. For 3. To approve, on an advisory, non-binding basis, the compensation of our named executive officers. For 4. To approve an amendment to our restated certificate of incorporation to limit the liability of certain officers of the Company as permitted by recent amendments to Delaware law. For Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Sign up for E-delivery”.D94539-P81749

Your Vote Counts! THE AZEK COMPANY INC. 2023 Annual Meeting Vote by February 27, 2023 11:59 PM ET THE AZEK COMPANY INC. 1330 W FULTON STREET, #350 CHICAGO, IL 60607 D94540-P81749 You invested in THE AZEK COMPANY INC. and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the shareholder meeting to be held on February 28, 2023. Get informed before you vote View the Notice, Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to February 14, 2023. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. For complete information and to vote, visit www.ProxyVote.com Control # Vote Virtually at the Meeting* February 28, 2023 10:00 AM EST Smartphone users Point your camera here and vote without entering a control number Virtually at: www.virtualshareholdermeeting.com/AZEK2023 *Please check the meeting materials for any special requirements for meeting attendance. V1.1

Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming shareholder meeting. Please follow the instructions on the reverse side to vote these important matters. Voting Items Board Recommends 2. To ratify the appointment of PricewaterhouseCoopers LLP as our independent registered public accounting firm for our fiscal year ending September 30, 2023.For 3. To approve, on an advisory, non-binding basis, the compensation of our named executive officers. For 4. To approve an amendment to our restated certificate of incorporation to limit the liability of certain officers of the Company as permitted by recent amendments to Delaware law. For Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Sign up for E-delivery”. D94541-P81749