Sec Form 4 Filing - Ares Corporate Opportunities Fund IV, L.P. @ AZEK Co Inc. - 2023-02-15

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Ares Corporate Opportunities Fund IV, L.P. 2. Issuer Name and Ticker or Trading Symbol AZEK Co Inc. [ AZEK] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 2000 AVENUE OF THE STARS, 12TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 02/15/2023 (Street) LOS ANGELES, CA90067 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 02/15/2023 02/15/2023 S 4,770,000 D $ 26.061 14,326,090 ( 1 ) ( 2 ) ( 3 ) ( 4 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Ares Corporate Opportunities Fund IV, L.P. 2000 AVENUE OF THE STARS, 12TH FLOOR LOS ANGELES, CA90067 X X ACOF Operating Manager IV, LLC 2000 AVENUE OF THE STARS, 12TH FLOOR LOS ANGELES, CA90067 X X ARES MANAGEMENT LLC 2000 AVENUE OF THE STARS, 12TH FLOOR LOS ANGELES, CA90067 X X Ares Management Holdings L.P. 2000 AVENUE OF THE STARS, 12TH FLOOR LOS ANGELES, CA90067 X X Ares Holdco LLC 2000 AVENUE OF THE STARS, 12TH FLOOR LOS ANGELES, CA90067 X X Ares Management Corp 2000 AVENUE OF THE STARS, 12TH FLOOR LOS ANGELES, CA90067 X X Ares Voting LLC 2000 AVENUE OF THE STARS, 12TH FLOOR LOS ANGELES, CA90067 X X Ares Management GP LLC 2000 AVENUE OF THE STARS, 12TH FLOOR LOS ANGELES, CA90067 X X Ares Partners Holdco LLC 2000 AVENUE OF THE STARS, 12TH FLOOR LOS ANGELES, CA90067 X X Signatures ARES CORPORATE OPPORTUNITIES FUND IV, L.P., By: ACOF OPERATING MANAGER IV, LLC Its: Manager /s/ Chris Kerezsi By: Chris Kerezsi Its: Authorized Signatory 02/16/2023 Signature of Reporting Person Date ACOF OPERATING MANAGER IV, LLC, /s/ Chris Kerezsi, By: Chris Kerezsi Its: Authorized Signatory 02/16/2023 Signature of Reporting Person Date ARES MANAGEMENT LLC, /s/ Anton Feingold, By: Anton Feingold Its: Authorized Signatory 02/16/2023 Signature of Reporting Person Date ARES MANAGEMENT HOLDINGS L.P. /s/ Anton Feingold, By: ARES HOLDCO LLC Its: General Partner By: Anton Feingold Its: Authorized Signatory 02/16/2023 Signature of Reporting Person Date ARES HOLDCO LLC, /s/ Anton Feingold, By: Anton Feingold Its: Authorized Signatory 02/16/2023 Signature of Reporting Person Date ARES MANAGEMENT CORPORATION, /s/ Anton Feingold, By: Anton Feingold Its: Authorized Signatory 02/16/2023 Signature of Reporting Person Date ARES VOTING LLC, /s/ Anton Feingold, By: ARES PARTNERS HOLDCO LLC Its: Sole Member By: Anton Feingold Its: Authorized Signatory 02/16/2023 Signature of Reporting Person Date ARES MANAGEMENT GP LLC, /s/ Anton Feingold, By: Anton Feingold Its: Authorized Signatory 02/16/2023 Signature of Reporting Person Date ARES PARTNERS HOLDCO LLC, /s/ Anton Feingold, By: Anton Feingold Its: Authorized Signatory 02/16/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This statement is being filed by (i) Ares Corporate Opportunities Fund IV, L.P. ("ACOF IV"), (ii) ACOF Operating Manager IV, LLC ("ACOF Operating Manager IV"), (iii) Ares Management LLC, (iv) Ares Management Holdings L.P. ("Ares Management Holdings"), (v) Ares Holdco LLC ("Ares Holdco"), (vi) Ares Management Corporation ("Ares Management"), (vii) Ares Voting LLC ("Ares Voting"), (viii) Ares Management GP LLC ("Ares Management GP") and (ix) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). ( 2 )Ares Partners in the sole member of each of Ares Voting and Ares Management GP, which are respectively the holders of the Class B and Class C common stock of Ares Management, which common stock allows them, collectively, to generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. Ares Management is the sole member of Ares Holdco, which is the general partner of Ares Management Holdings, which is the sole member of Ares Management LLC, which is the sole member of ACOF Operating Manager IV, LLC, which is the manager of ACOF IV. ( 3 )Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, Ryan Berry, R. Kipp de Veer, David B. Kaplan, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions. ( 4 )Each of the Reporting Persons, other than ACOF IV, and the Board Members, and the other directors, officers, partners, equity holders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Class A Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

Remarks: ACOF IV has the right to nominate directors for election to the board of directors of the Issuer pursuant to a stockholders agreement, dated June 11, 2020, by and among the Issuer, ACOF IV and the Ontario Teachers' Pension Plan Board ("OTPP"). ACOF IV has nominated two directors to the Issuer's board of directors, one of whom is jointly appointed by ACOF IV and OTPP. Accordingly, ACOF IV and its affiliates listed hereon may be deemed to be a director by deputization.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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