Document:

EX-10.24

 Exhibit 10.24 

Execution Version 
 INCREMENTAL
TERM LOAN COMMITMENT AGREEMENT NO. 1 
 JPMorgan Chase Bank, N.A. 

383 Madison Avenue 
 New York, New
York 10179 
 December 22, 2017 
 Vertiv
Group Corporation 
 c/o Platinum Equity, LLC 
 360 North
Crescent Drive 
 Beverly Hills, CA 90210 
 Attention: Legal
Department 
 Telecopier No.: (310) 712-1863 

 

	Re:	 2017 Incremental Term B Loan Commitments 

Ladies and Gentlemen: 
 Reference is hereby made
to the Term Loan Credit Agreement, dated as of November 30, 2016, as amended by Amendment No. 1 to Term Loan Credit Agreement, dated as of March 17, 2017 and Amendment No. 2 to Term Loan Credit Agreement, dated as of
November 1, 2017 (as may be further amended, amended and restated, modified, supplemented, extended or renewed from time to time prior to the date hereof, the “Credit Agreement”, the terms defined therein are used herein as
therein defined), among Vertiv Group Corporation (the “Borrower”), the Lenders party thereto from time to time, JPMorgan Chase Bank, N.A. as the administrative agent (the “Administrative Agent”) and the other
parties thereto. 
 JPMorgan Chase Bank, N.A. (in such capacity, the “2017 Incremental Term B Lender”) agrees, pursuant to
this letter agreement (this “Agreement”; the Credit Agreement, as amended by this Agreement, is referred to herein as the “Amended Credit Agreement”), to provide the 2017 Incremental Term B Loan Commitment in the
amount set forth opposite its name on Annex I attached hereto (“2017 Incremental Term B Loan Commitment” and the loans thereunder the “2017 Incremental Term B Loans”) on the 2017 Incremental Term B Effective
Date (defined below). The 2017 Incremental Term B Loan Commitment provided pursuant to this Agreement shall be subject to the terms and conditions set forth in the Amended Credit Agreement, including Section 2.15 thereof. 

The 2017 Incremental Term B Lender, the Borrower and the Administrative Agent acknowledge and agree that the 2017 Incremental Term B Loans
provided pursuant to this Agreement shall constitute an increase in the Tranche of Term B Loans and shall be identical to the Term B Loans outstanding under the Credit Agreement immediately prior to the funding of the 2017 Incremental Term B Loans
(such existing Term B Loans, the “Existing Term B Loans”) and the parties hereto intend to treat the 2017 Incremental Term B Loans and the Existing Term B Loans as fungible for U.S. federal income tax purposes. In accordance with
Section 2.15(c) of the Credit Agreement, the 2017 Incremental Term B Loans shall initially take the form of a pro rata increase in each outstanding Borrowing of Existing Term B Loans. 

The 2017 Incremental Term B Lender (i) confirms that it has received a copy of the Credit Agreement and the other Credit Documents,
together with copies of the financial statements referred to therein and such other documents and information as it has deemed appropriate to make its own credit analysis and decision to enter into this Agreement and, to the extent applicable, to
become a Lender under the Credit Agreement, (ii) agrees that it will, independently and without reliance upon the Administrative Agent or any other Lender and based on such documents and information as it shall deem appropriate at the time,
continue to make its own credit decisions in taking or not taking action under the Credit Agreement, (iii) appoints and authorizes the Administrative Agent to 

 
take such action as agent on its behalf and to exercise such powers under the Credit Agreement and the other Credit Documents as are delegated to the Administrative Agent by the terms thereof,
together with such powers as are reasonably incidental thereto and (iv) agrees that it will perform in accordance with their terms all of the obligations which by the terms of the Credit Agreement are required to be performed by it as a Lender.

 Effectiveness. Upon the date (the “2017 Incremental Term B Effective Date”) of (i) the execution of a
counterpart of this Agreement by the 2017 Incremental Term B Lender, the Administrative Agent, the Borrower and the Guarantors, (ii) the delivery to the Administrative Agent of a fully executed copy (including by way of counterparts and by
facsimile) hereof, (iii) the payment of any fees and expenses required to be paid in connection herewith as separately agreed among the Borrower, JPMorgan Chase Bank, N.A. and Merrill Lynch, Pierce, Fenner & Smith Incorporated and
(iv) the satisfaction of any other conditions precedent set forth in paragraph 8 of Annex I hereto, each 2017 Incremental Term B Lender party hereto agreeing to provide a 2017 Incremental Term B Loan Commitment pursuant to this Agreement
(x) shall be obligated to make the 2017 Incremental Term B Loans provided to be made by it as provided in this Agreement on the terms, and subject to the conditions, set forth in the Credit Agreement and (y) to the extent provided in this
Agreement, shall have the rights and obligations of a Lender thereunder and under the other Credit Documents. The 2017 Incremental Term B Loans provided pursuant to this Agreement shall be available in a single drawing on the 2017 Incremental Term B
Effective Date. 
 Representations and Warranties. The Borrower hereby represents and warrants that as of the 2017 Incremental Term B
Effective Date, immediately after giving effect to the amendments set forth in this Agreement, (i) no Default or Event of Default exists and is continuing and (ii) all representations and warranties contained in the Amended Credit
Agreement are true and correct in all material respects on and as of the 2017 Incremental Term B Effective Date, as though made on and as of the 2017 Incremental Term B Effective Date (provided that any representation or warranty that is qualified
as to “materiality” or similar language shall be true and correct in all respects on and as of the 2017 Incremental Term B Effective Date), except to the extent that such representations and warranties specifically refer to an earlier
date, in which case they were true and correct in all material respects as of such earlier date. 
 Reaffirmation. Each of the Credit
Parties hereby consents to the amendment of the Credit Agreement described in this Agreement and hereby confirms its respective guarantees, prior pledges and grants of security interests and Liens, subordinations and other obligations, as
applicable, under and subject to the terms of each of the Credit Documents to which it is party, and confirms, agrees and acknowledges that, notwithstanding the consummation of this Agreement, such guarantees, security interests and Liens,
subordinations and other obligations, and the terms of each of the Credit Documents to which it is a party, except such terms of the Credit Agreement as are expressly modified by this Agreement, are not affected or impaired in any manner whatsoever
and shall continue to be in full force and effect and shall also continue to guarantee and secure the payment of all obligations of each of the Credit Parties under the Credit Agreement and the other Credit Documents, in each case, as amended and
reaffirmed pursuant to the Amended Credit Agreement and this Agreement. 
 Effect of Agreement. Except as expressly set forth herein,
this Agreement (i) shall not by implication or otherwise limit, impair, constitute a waiver of or otherwise affect the rights and remedies of the Lenders, the Administrative Agent or any other Agent, in each case under the Credit Agreement or
any other Credit Document, and (ii) shall not alter, modify, amend or in any way affect any of the terms, conditions, obligations, covenants or agreements contained in the Credit Agreement or any other provision of either such agreement or any
other Credit Document or be construed as a novation thereof. This Agreement and the Amended Credit Agreement shall not constitute a novation of the Credit Agreement or any other Credit Document. Each and every term, condition, obligation, covenant
and agreement contained in the Credit Agreement as amended hereby, or any other Credit Document as amended hereby, is hereby ratified and re-affirmed in all respects and shall continue in full force and
effect. This Agreement shall constitute a Credit Document for purposes of the Credit Agreement and from and after the 2017 Incremental Term B Effective Date, all references to the Credit Agreement in any Credit Document and all references in the
Credit Agreement to “this Agreement”, “hereunder”, “hereof” or words of like import referring to the Credit Agreement, shall, unless expressly provided otherwise, refer to the Credit Agreement as amended by this
Agreement. 

 Counterparts. This Agreement may be executed in any number of counterparts and by
different parties hereto on separate counterparts, each of which when so executed and delivered shall be deemed to be an original, but all of which when taken together shall constitute a single instrument. Delivery of an executed counterpart of a
signature page of this Agreement by facsimile or any other electronic transmission shall be effective as delivery of a manually executed counterpart hereof. 

Governing Law; Waiver of Jury Trial, Etc.. THE PROVISIONS OF SECTION 13.08 OF THE CREDIT AGREEMENT SHALL APPLY TO THIS AGREEMENT
MUTATIS MUTANDIS. 
 [Signature Page Follows] 

			
	Very truly yours,
	
	JPMORGAN CHASE BANK, N.A., as the Administrative Agent and 2017 Incremental Term B Lender
		
	By:	 	 /s/ Gene Riego de Dios

		 	Name: Gene Riego de Dios
		 	Title: Executive Director

 [Vertiv - Incremental Agreement] 

			
	Agreed and Accepted as of the date first set forth above:
	
	VERTIV GROUP CORPORATION
		
	By:	 	 /s/ Mary Ann Sigler

		 	 Name: Mary Ann Sigler
 Title:   Vice
President and Treasurer

	
	VERTIV INTERMEDIATE HOLDING II CORPORATION,
		
	By:	 	 /s/ Mary Ann Sigler

		 	Name: Mary Ann Sigler
		 	Title:   President and Treasurer

 [Vertiv - Incremental Agreement] 

 ALBER CORP. 

AVOCENT CORPORATION 
 AVOCENT FREMONT, LLC 

AVOCENT HUNTSVILLE, LLC 
 AVOCENT REDMOND CORP. 

AVOCENT TEXAS CORP. 
 ELECTRICAL RELIABILITY SERVICES, INC. 

HIGH VOLTAGE MAINTENANCE CORPORATION 
 LIEBERT CORPORATION 

LIEBERT FIELD SERVICES, INC. 
 LIEBERT NORTH AMERICA, INC. 

LIEBERT PROPERTY HOLDINGS, L.L.C. 
 NORTHERN TECHNOLOGIES, INC.

 U P SYSTEMS, INCORPORATED 
 VERTIV CO. HOLDING, LLC, 

VERTIV ENERGY SYSTEMS, INC. 
 VERTIV SERVICES, INC. 

VERTIV SOLUTIONS, INC. 
  

			
	By:	 	 /s/ Mary Ann Sigler 

	 Name: Mary Ann Sigler 

Title: Vice President and Treasurer

 [Vertiv - Incremental Agreement] 

 Annex I 

TERMS AND CONDITIONS FOR 

INCREMENTAL TERM LOAN COMMITMENT AGREEMENT NO. 1 
  

	1.	 2017 Incremental Term B Loan Commitment amount (as of the 2017 Incremental Term B Effective Date):

  

					
	 Name of Lender
	  	Amount of 2017 Incremental
Term B Loan Commitment	 
	 JPMorgan Chase Bank, N.A.
	  	$	325,000,000	 

  

	2.	 Designation of Tranche of 2017 Incremental Term B Loan Commitments (and 2017 Incremental Term B Loans to be
funded thereunder): additional Term B Loans in accordance with Section 2.15(c) of the Credit Agreement. 

  

	3.	 Maturity Date: The Term B Maturity Date. 

 

	4.	 Dates for, and amounts of, 2017 Incremental Term B Loans Scheduled Repayments: In accordance with
Section 2.15(c) of the Credit Agreement, none except on the Term B Maturity Date. 

  

	5.	 Rules for application of voluntary and mandatory prepayments: Same as the Existing Term B Loans.

  

	6.	 Interest rates for 2017 Incremental Term B Loans: Same as the Existing Term B Loans. 

 

	7.	 Maximum number of drawings permitted with respect to the 2017 Incremental Term B Loan Commitments provided
pursuant to the Incremental Term Loan Commitment Agreement No. 1 to which this Annex I is attached: 1. 

  

	8.	 The occurrence of the 2017 Incremental Term B Effective Date shall be subject to the satisfaction or waiver of
the following additional conditions: 

 a. Officer’s Certificate. The Administrative Agent shall have received
a certificate of a Responsible Officer of the Borrower dated the 2017 Incremental Term B Effective Date certifying as to the accuracy of the representations and warranties set forth in the paragraph entitled Representations and Warranties herein.

 b. Opinion. The Administrative Agent hall have received a customary written opinion of Willkie Farr & Gallagher LLP,
special counsel to the Credit Parties, and local counsel to the Credit Parties in Alabama, California, Florida, Idaho, Washington and Ohio, in each case, in form reasonably satisfactory to the Administrative Agent. 

c. Secretary’s Certificate. The Administrative Agent shall have received a customary secretary’s certificate for each Credit
Party (including a good standing certificate for each Credit Party, dated as of a recent date) in form reasonably satisfactory to the Administrative Agent. 

d. Solvency Certificate. On the 2017 Incremental Term B Effective Date, the Administrative Agent shall have received a solvency
certificate from the chief financial officer or treasurer (or officer with equivalent duties) of the Borrower in form reasonably satisfactory to the Administrative Agent. 

e. Notice of Borrowing. The Administrative Agent shall have received from the Borrower a Notice of Borrowing to occur on the 2017
Incremental Term B Effective Date with respect to the 2017 Incremental Term B Loans.EX-4.2

 Exhibit 4.2 

STOCKHOLDERS AGREEMENT 

By and Among 
 THE AZEK
COMPANY INC., 
 ARES CORPORATE OPPORTUNITIES FUND IV, L.P. 

AND 
 ONTARIO
TEACHERS’ PENSION PLAN BOARD 
  
  

Dated as of [●], 2020 
  

 

 TABLE OF CONTENTS 

 

					
	 ARTICLE I DEFINITIONS; RULES OF CONSTRUCTION
	  	 	1	 
		
	 SECTION 1.01 Definitions
	  	 	1	 
		
	 SECTION 1.02 Rules of Construction
	  	 	5	 
		
	 ARTICLE II REPRESENTATIONS AND WARRANTIES
	  	 	5	 
		
	 ARTICLE III BOARD OF DIRECTORS
	  	 	5	 
		
	 SECTION 3.01 Size and Composition
	  	 	5	 
		
	 SECTION 3.02 Sponsor Designees
	  	 	6	 
		
	 ARTICLE IV MATTERS REQUIRING SPONSOR CONSENT
	  	 	7	 
		
	 SECTION 4.01 Matters Requiring Sponsor Consent
	  	 	7	 
		
	 SECTION 4.02 Controlled Company
	  	 	8	 
		
	 SECTION 4.03 Permitted Disclosure
	  	 	9	 
		
	 ARTICLE V SPONSOR TRANSFER RESTRICTIONS
	  	 	9	 
		
	 SECTION 5.01 Rule 144 Transfer Restrictions
	  	 	9	 
		
	 SECTION 5.02 Rule 144 Transfer Procedures
	  	 	9	 
		
	 SECTION 5.03 Rule 144 Transfer Volume Limitations
	  	 	10	 
		
	 SECTION 5.04 Coordination Period
	  	 	10	 
		
	 ARTICLE VI INFORMATION
	  	 	10	 
		
	 SECTION 6.01 Books and Records; Access
	  	 	10	 
		
	 SECTION 6.02 Sharing of Information
	  	 	11	 
		
	 SECTION 6.03 Certain Reports
	  	 	11	 
		
	 ARTICLE VII MISCELLANEOUS
	  	 	11	 
		
	 SECTION 7.01 Notices
	  	 	11	 
		
	 SECTION 7.02 Binding Effect; Benefits
	  	 	13	 
		
	 SECTION 7.03 Amendment
	  	 	13	 
		
	 SECTION 7.04 Assignability
	  	 	13	 
		
	 SECTION 7.05 Governing Law; Submission to Jurisdiction
	  	 	13	 
		
	 SECTION 7.06 Enforcement
	  	 	14	 
		
	 SECTION 7.07 Severability
	  	 	14	 
		
	 SECTION 7.08 Additional Securities Subject to Agreement  
	  	 	14	 

  
 -i- 

					
	 SECTION 7.09 Section and Other Headings
	  	 	14	 
		
	 SECTION 7.10 Counterparts
	  	 	14	 
		
	 SECTION 7.11 Waiver of Jury Trial
	  	 	14	 
		
	 SECTION 7.12 Entire Agreement
	  	 	14	 
		
	 SECTION 7.13 Further Assurances
	  	 	15	 

  
 -ii- 

 STOCKHOLDERS AGREEMENT 

THIS STOCKHOLDERS AGREEMENT (this “Agreement”), dated as of [•], 2020 (the “Effective Date”), is by and
among The AZEK Company Inc. (successor to CPG Newco LLC), a Delaware corporation (the “Company”), Ares Corporate Opportunities Fund IV, L.P., a Delaware limited partnership (“Ares”), and Ontario Teachers’
Pension Plan Board (“OTPP”) (each of Ares and OTPP, individually, a “Sponsor” and, together, the “Sponsors”). 

RECITALS 
 WHEREAS, the
Company is currently contemplating an underwritten initial public offering of shares of its Class A Common Stock (as defined below); and 

WHEREAS, in connection with, and effective upon, the date of the pricing of the IPO (as defined below), the Company and the Sponsors wish to
set forth certain understandings between such parties, including with respect to certain governance matters. 
 NOW, THEREFORE, in
consideration of the mutual covenants contained in this Agreement and other good and valuable consideration, the receipt and sufficiency of which are acknowledged, the parties to this Agreement agree as follows: 

ARTICLE I 
 DEFINITIONS;
RULES OF CONSTRUCTION 
 SECTION 1.01 Definitions. The terms set forth below have the following meanings as used in this
Agreement: 
 “Affiliate” of any specified Person means any other Person directly or indirectly controlling, controlled by
or under direct or indirect common control with such specified Person. For the purposes of this definition, “control” when used with respect to any Person means the power to direct the management and policies of such Person,
directly or indirectly, whether through the ownership of voting securities, by contract or otherwise; and the terms “controlling” and “controlled” have meanings correlative to the foregoing. No Person shall be
deemed to be an Affiliate of another Person solely by virtue of the fact that both Persons own shares of the Capital Stock of the Company. 

“Agreement” has the meaning set forth in the preamble. 

“Ares” has the meaning set forth in the preamble. 

“Board” means the Board of Directors of the Company. 

“Capital Stock” with respect to any Person means any and all shares, interests, participations, rights in or other
equivalents (however designated) of such Person’s capital stock, and any rights, warrants or options exercisable or exchangeable for or convertible into such capital stock. 

“Change of Control” shall be deemed to occur if: 

 (i) at any time, the Company shall fail to own, directly or indirectly, beneficially and of
record, 100% of the issued and outstanding equity interests of the Company’s wholly-owned, direct subsidiary, CPG International LLC, a Delaware limited liability company; or 

(ii) any person or “group” other than the Permitted Holders or any underwriter participating in the IPO, shall have acquired
beneficial ownership of more than 35% of the outstanding shares of Class A Common Stock and the percentage of the outstanding shares of Class A Common Stock so held by such person or “group” is greater than the percentage of the
outstanding shares of Class A Common Stock beneficially owned, directly or indirectly, in the aggregate by the Permitted Holders. For purposes of determining the percentage of Class A Common Stock held by any person, group or the Permitted
Holders (beneficially or otherwise) in the immediately preceding sentence, share count shall be calculated on a fully diluted basis but not giving effect to contingent voting rights that have not yet vested. Notwithstanding anything to the contrary
in this definition, a Change of Control shall not be deemed to occur if, in the case of clause (ii) above, the Permitted Holders have, at such time, the right or the ability by voting power, contract or otherwise to elect or designate for
election at least a majority of the Board. Notwithstanding the preceding sentence or any provision of Rule 13d-3 of the Exchange Act (as in effect on September 30, 2013), (i) a person or “group”
shall not be deemed to beneficially own securities (1) subject to an equity or asset purchase agreement, merger agreement or similar agreement (or voting or option or similar agreement related thereto) until the consummation of the transactions
contemplated by such agreement or (2) as a result of veto or approval rights in any joint venture agreement, shareholder agreement or other similar agreement and (ii) if any “group” includes one or more Permitted Holders, any
issued and outstanding Class A Common Stock beneficially owned, directly or indirectly, by any Permitted Holders that are a part of such “group” shall not be treated as being beneficially owned by any other member of such
“group” for purposes of determining whether a Change of Control has occurred. The terms “group”, “beneficially owned” and “beneficial ownership” for the purpose of this “Change of Control definition shall
have the meanings given those terms in Rules 13d-3 and 13d-5 under the Exchange Act as in effect on September 30, 2013, and the term “person” shall not
include any employee benefit plan of such person and its subsidiaries and any person or entity acting in its capacity as trustee, agent or other fiduciary or administrator of any such plan. 

“Class A Common Stock” means the Class A Common Stock, par value $0.001 per share, of the Company.

 “Class B Common Stock” means the Class B Common Stock, par value $0.001 per share, of the
Company. 
 “Common Stock” means the Class A Common Stock and the Class B Common Stock. 

“Company” has the meaning set forth in the preamble. 

“Coordination Period” has the meaning set forth in Section 5.04. 

“Effective Date” has the meaning set forth in the preamble. 

  
 -2- 

 “IPO” means the Company’s underwritten public offering of Class A
Common Stock that results in the shares of Class A Common Stock that are sold in such public offering being listed on the New York Stock Exchange, the NASDAQ Stock Market or any other securities exchange. 

“Law” means any law, statute, ordinance, rule, regulation, code, order, judgment, injunction or decree enacted, issued,
promulgated, enforced or entered by any government entity, quasi-governmental entities or self-regulatory organization exercising executive, legislative, judicial, regulatory or administrative functions of or pertaining to government or by any stock
exchange authority. 
 “Material Subsidiary” means each “Significant Subsidiary” of the Company, as defined in
Rule 1-02 of Regulation S-X promulgated under the Securities Act. 

“Notified Sponsor” has the meaning set forth in Section 5.02. 

“Notifying Sponsor” has the meaning set forth in Section 5.02. 

“OTPP” has the meaning set forth in the preamble. 

“Permitted Holder” means any of: (a) the Sponsors and any of their Affiliates; (b) funds or partnerships managed or
advised by either of the Sponsors and any of their Affiliates (but not including any of their portfolio companies); (c) the Sponsor Designees; (d) family members or trusts of any person listed in clauses (a) and (c); and (e) any
person that forms a group (within the meaning of Section 13(d)(3) or Section 14(d)(2) of the Exchange Act, or any successor provision) with any of the persons listed in clauses (a), (c) and (d) so long as the persons described in
clauses (a), (c) and (d) form the majority in interest of any group formed in accordance with this clause (e). 
 “Permitted
Transferee” shall mean any Affiliate of Ares or OTPP, as the case may be. Any Permitted Transferee of Ares shall be bound by the terms of this Agreement and treated as Ares for all purposes of this Agreement. Any Permitted Transferee of
OTPP shall also be bound by the terms of this Agreement and treated as OTPP for all purposes of this Agreement. 
 “Person”
means an individual, a corporation, a general or limited partnership, a limited liability company, a joint stock company, an association, a trust or any other entity or organization, including a government, a political subdivision or an agency or
instrumentality of such government. 
 “Private Block Transfer” means a Transfer of shares of Common Stock pursuant to
Sections 4(a)(i) or 4(d) of the Securities Act or pursuant to any other exemption (other than Rule 144) under the Securities Act. 

“Related Person” with respect to any Person means: (a) an Affiliate of such Person; (b) any investment manager,
investment advisor or general partner of such Person; (c) any investment fund, investment account or investment entity whose investment manager, investment advisor or general partner is such Person or a Related Person of such Person; and
(d) any equity investor, partner, member or manager of such Person. Notwithstanding the previous sentence, no Person shall be deemed an Affiliate of another Person solely by virtue of the fact that both Persons own shares of the Capital Stock
of the Company. 

  
 -3- 

 “Rule 144” means Rule 144 under the Securities Act (or any successor
rule or regulation). 
 “Rule 144 Transfer” means a Transfer of shares of Common Stock pursuant to Rule 144. 

“Sale Notice” has the meaning set forth in Section 5.02. 

“Securities Act” means the Securities Act of 1933. 

“Significant Action” has the meaning set forth in Section 4.01. 

“Sponsor” has the meaning set forth in the preamble. 

“Sponsor Designees” has the meaning set forth in Section 3.02(a). 

“Transfer” (including its correlative meanings, “Transferor,” “Transferee” and
“Transferred”) shall mean, with respect to any security, directly or indirectly, to sell, contract to sell, give, assign, hypothecate, pledge, encumber, grant a security interest in, offer, sell any option or contract to purchase,
purchase any option or contract to sell, grant any option, right or warrant to purchase, lend or otherwise transfer or dispose of any economic, voting or other rights in or to such security. When used as a noun, “Transfer” shall
have such correlative meaning as the context may require. 
 SECTION 1.02 Rules of Construction. Any provision of this Agreement that
refers to the words “include,” “includes” or “including” shall be deemed to be followed by the words “without limitation.” References to “dollars” or
“$” shall mean dollars in lawful currency of the United States of America. References to numbered or letter articles, sections and subsections refer to articles, sections and subsections, respectively, of this Agreement unless
expressly stated otherwise. References to a Section or paragraph shall be to a Section or paragraph of this Agreement unless otherwise indicated. Any agreement, instrument, law or statute defined or referred to in this Agreement or in any agreement
or instrument that is referred to in this Agreement means such agreement, instrument, or statute as from time to time amended, modified or supplemented, including (in the case of agreements or instruments) by waiver or consent and (in the case of
statutes) by succession of comparable successor statutes and references to all attachments to and instruments incorporated in such agreement, instrument, or statute, as applicable. References to a Person are also to its permitted successors and
assigns. In the event that any claim is made by any Person relating to any conflict, omission or ambiguity in this Agreement, no presumption or burden of proof or persuasion shall be implied by virtue of the fact that this Agreement was prepared by
or at the request of a particular Person or its counsel. 

  
 -4- 

 ARTICLE II 

REPRESENTATIONS AND WARRANTIES 

Each of the parties severally represents and warrants to each of the other parties as follows: 

(a) Authority; Enforceability. Such party: (i) has the legal capacity or organizational power and authority to execute, deliver and
perform its obligations under this Agreement; and (ii) is duly organized and validly existing and in good standing under the Laws of its jurisdiction of organization. This Agreement has been duly executed and delivered by such party and
constitutes a legal, valid and binding obligation of such party, enforceable against it in accordance with the terms of this Agreement, subject to applicable bankruptcy, insolvency, reorganization, moratorium and other Laws affecting the rights of
creditors generally and to the exercise of judicial discretion in accordance with general principles of equity (whether applied by a court of law or of equity). 

(b) Consent. No consent, waiver, approval, authorization, exemption, registration, license or declaration is required to be made or
obtained by such party, other than those that have been made or obtained on or prior to the date of this Agreement, in connection with (i) the execution or delivery of this Agreement or (ii) the consummation of any of the transactions
contemplated by this Agreement. 
 ARTICLE III 

BOARD OF DIRECTORS 

SECTION 3.01 Size and Composition. From and after the Effective Date, (1) for so long as it owns more than 5% of the then
outstanding shares of Common Stock, each Sponsor shall: (i) vote or otherwise give such Sponsor’s consent in respect of all shares of Common Stock (whether now owned or hereafter acquired) owned by such Sponsor, and (ii) take all
other appropriate action; and (2) the Company shall take all necessary and desirable actions (subject to any applicable securities exchange or equivalent listing requirements), including at each annual or special meeting of the stockholders of
the Company called for the election of directors, and whenever the stockholders of the Company act by written consent with respect to the election of directors, to cause: 

(a) the bylaws of the Company to provide that the authorized number of directors on the Board shall be not less than three and not more than
thirteen; 
 (b) the election to the Board of any Sponsor Designees designated by the Sponsors in accordance with
Section 3.02; and 
 (c) the removal from the Board of any director elected in accordance with clause
(b) above, with or without cause, upon the written request of the Sponsor that designated such director (or, in the case of a jointly nominated Sponsor Designee pursuant to Section 3.02(b)(i), upon the written request
of each of the Sponsors). 

  
 -5- 

 SECTION 3.02 Sponsor Designees. 

(a) The Sponsors shall have the right, but not the obligation, to nominate to the Board (such nominees, the “Sponsor
Designees”) (subject to their election by the stockholders of the Company): 
 (i) for so long as the Sponsors collectively own 50%
or more of the then outstanding shares of Common Stock, the greater of up to (A) six directors and (B) the number of directors comprising a majority of the Board; and 

(ii) for so long as the Sponsors collectively own less than 50% of the then outstanding shares of Common Stock, that number of directors
(rounded up to the nearest whole number or, if such rounding would cause the Sponsors to have the right to elect a majority of the Board, rounded to the nearest whole number) equal to the product of (x) the authorized number of directors on the
Board times (y) a fraction, the numerator of which is the total number of shares of Common Stock collectively owned by the Sponsors, and the denominator of which is the total number of shares of Common Stock then outstanding. Notwithstanding
the previous sentence, in the event that any Sponsor ceases to own more than 5% of the then outstanding shares of Common Stock, (x) such Sponsor shall not have the right to nominate any Sponsor Designees; (y) the shares of outstanding
Common Stock owned by such Sponsor shall be excluded from any numerator for purposes of calculating the amounts set forth in clauses (i) and (ii) of this Section 3.02(a); and (z) the right to nominate Sponsor
Designees in accordance with this Section 3.02 shall only be available to the Sponsor that owns the applicable percentage of shares of Common Stock. 

(b) For purposes of this Section 3.02, each Sponsor shall nominate one half of the aggregate number of Sponsor
Designees. Notwithstanding the previous sentence, in the event that: 
 (i) the number of Sponsor Designees is odd, the Sponsors shall
jointly nominate one Sponsor Designee, and each Sponsor shall nominate one half of the remainder of such Sponsor Designees, except that in the event that any Sponsor ceases to own more than 5% of the then outstanding shares of Common Stock, such
Sponsor shall not have the right to nominate any Sponsor Designees; and 
 (ii) any Sponsor owns more than 5%, but less than or equal to
10%, of the then outstanding shares of Common Stock, one Sponsor Designee shall be nominated by such Sponsor, and the remainder of the Sponsor Designees shall be nominated by the other Sponsor. 

(c) If any Sponsor has nominated less than the total number of Sponsor Designees such Sponsor is entitled to nominate pursuant to this
Section 3.02, such Sponsor shall have the right, at any time, to nominate such additional number of Sponsor Designees to which it is entitled. In such event, the directors of the Company shall take all necessary action to:
(i) increase the size of the Board as required to enable such Sponsor to so nominate such additional Sponsor Designees; and (ii) designate such additional Sponsor Designees nominated by such Sponsor to fill such newly-created vacancy or
vacancies, as applicable. 

  
 -6- 

 (d) For purposes of this Section 3.02 and Article IV below,
each Sponsor shall be deemed to own all shares of Common Stock owned by such Sponsor’s Affiliates. 
 ARTICLE IV 

MATTERS REQUIRING SPONSOR CONSENT 

SECTION 4.01 Matters Requiring Sponsor Consent. For so long as the Sponsors collectively own at least thirty percent (30%) of the then
outstanding shares of Common Stock, neither the Company nor any of its subsidiaries shall take, or be permitted to take, any of the actions enumerated in this Section 4.01 (each, a “Significant Action”) without the prior
written approval of each of the Sponsors. Notwithstanding the previous sentence, in the event that either Sponsor owns less than ten percent (10%) of the then outstanding shares of Common Stock, (x) the shares of Common Stock owned by such
Sponsor shall be excluded from the numerator for purposes of calculating the thirty percent (30%) threshold and (y) Significant Actions shall not require the prior written approval of such Sponsor owning less than ten percent (10%) of the then
outstanding Common Stock: 
 (a) merging or consolidating with or into any other Person, or transferring all or substantially all assets of
the Company and its subsidiaries, taken as a whole, to another entity, or undertaking any transaction that would constitute a Change of Control, other than, in each case, transactions among the Company and its wholly-owned subsidiaries; 

(b) (i) entering into any joint venture, investment (other than an investment in, contract with or acquisition of any securities or assets
of any of the Company’s wholly owned subsidiaries), recapitalization, reorganization or contract with any other Person (other than a wholly owned subsidiary), (ii) the acquisition of any securities or assets of another Person (other than a
wholly owned subsidiary of the Company), in the case of any of the transactions set forth in clause (i) or (ii), whether in a single transaction or series of related transactions, with a fair market value, or for a purchase price, in excess of
$75.0 million, or (iii) the exercise of any ownership rights in respect of any of the foregoing in this Section 4.01(b); 

(c) Transferring assets of the Company or its subsidiaries in any transaction or series of related transactions (other than any Transfer of
assets of any wholly owned subsidiary of the Company to the Company or any of the Company’s other wholly owned subsidiaries), in each case other than (i) inventory sold in the ordinary course of business, or (ii) any Transfer of
assets in a single transaction or series of related transactions with a fair market value of less than or equal to $75.0 million; 
 (d)
guaranteeing, assuming, incurring or refinancing indebtedness for borrowed money by the Company or any of its subsidiaries (including indebtedness of any other Person existing at the time such other Person merged with or into or became a subsidiary
of, or substantially all of its business and assets were acquired by, the Company or such subsidiary, and indebtedness secured by a lien encumbering any asset acquired by the Company or any such subsidiary) or the pledge of, or granting of a
security interest in, any of the assets of the Company or any of its subsidiaries in excess of $100.0 million in any 12-month period (other than trade indebtedness incurred in the ordinary course of
business by the Company and its subsidiaries); 

  
 -7- 

 (e) issuing Capital Stock of the Company or the Company’s subsidiaries other than
(i) issuances to the Company or any of the Company’s wholly owned subsidiaries or (ii) pursuant to an equity compensation plan approved by the Company’s stockholders or a majority of the directors on the Board designated by the
Sponsors pursuant to Section 3.02; 
 (f) terminating the employment of the Chief Executive Officer of the Company
or hiring or designating a new Chief Executive Officer of the Company; 
 (g) entering into any transactions, agreements, arrangements or
payments (including the purchase, sale, lease or exchange of any property, or rendering of any service or modification or amendment of any existing agreement or arrangement) with (i) either of the Sponsors (or their Affiliates or Related
Persons) (other than transactions in which a Sponsor or an Affiliate or Related Person of a Sponsor becomes a lender under a credit facility, indenture or other form of indebtedness with institutional lenders of the Company or any of its
subsidiaries, including replacements or refinancings of such indebtedness), (ii) any officer, director or employee of the Company or any subsidiary of the Company (other than in the ordinary course of business as part of travel advances, relocation
advances or salary) or (iii) any other Person who beneficially owns greater than or equal to ten percent (10%) of the Common Stock then outstanding (including such Person’s Affiliates), in each case that are material or involve aggregate
payments or receipts in excess of $500,000; 
 (h) amending, modifying, waiving or repealing (whether by merger, consolidation or otherwise)
any provision of the certificate of incorporation, the bylaws or equivalent organizational documents of the Company or any of the Company’s subsidiaries in a manner that adversely affects either of the Sponsors; 

(i) commencing any liquidation, dissolution or voluntary bankruptcy, administration, recapitalization or reorganization of the Company or any
of its subsidiaries in any form of transaction, making arrangements with creditors, or consenting to the entry of an order for relief in any involuntary case, or taking the conversion of an involuntary case to a voluntary case, or consenting to the
appointment or taking possession by a receiver, trustee or other custodian for all or substantially all of its property, or otherwise seeking the protection of any applicable bankruptcy or insolvency law, other than any such actions with respect to
a non-Material Subsidiary where, in the good faith judgment of the Board, the maintenance or preservation of such subsidiary is no longer desirable in the conduct of the business of the Company or any of its
Material Subsidiaries; and 
 (j) subject to Section 3.02, increasing or decreasing the size of the Board; and 

(k) entering into of any agreement to do any of the foregoing. 

SECTION 4.02 Controlled Company. 

(a) The Sponsors acknowledge and agree that, (i) by virtue of this Agreement, they are acting as a “group” within the meaning of
the New York Stock Exchange (the “NYSE”) rules as of the date hereof, and (ii) by virtue of the combined voting power of Class A Common Stock held by the Sponsors representing more than 50% of the total voting power of the
Class A Common Stock outstanding as of the date of the pricing of the IPO (the “Pricing Date”), the Company qualifies as a “controlled company” within the meaning of NYSE rules as of the Pricing Date. 

  
 -8- 

 (b) So long as the Company qualifies as a “controlled company” for purposes of
NYSE rules, the Company will elect to be a “controlled company” for purposes of NYSE rules, and will disclose in its annual meeting proxy statement that it is a “controlled company” and the basis for that determination. If the
Company ceases to qualify as a “controlled company” for purposes of NYSE rules, the Sponsors and the Company will take whatever action may be reasonably necessary in relation to such party, if any, to cause the Company to comply with NYSE
rules as then in effect within the timeframe for compliance available under such rules. 
 SECTION 4.03 Permitted Disclosure. 

(a) Each Sponsor Designee designated by Ares is permitted to disclose to Ares and its Affiliates information about the Company and its
Affiliates that he or she receives as a result of being a director, subject to his or her fiduciary duties under Delaware law. Each Sponsor Designee designated by OTPP is permitted to disclose to OTPP and its Affiliates information about the Company
and its Affiliates that he or she receives as a result of being a director, subject to his or her fiduciary duties under Delaware law. 

ARTICLE V 
 SPONSOR
TRANSFER RESTRICTIONS 
 SECTION 5.01 Rule 144 Transfer Restrictions. After the closing of the IPO, and prior to the expiration
of the Coordination Period, no Sponsor shall Transfer any or all of its shares of Common Stock pursuant to Rule 144, other than in compliance with Sections 5.02 and 5.03. Notwithstanding anything to the contrary contained in this
Agreement, either Sponsor may Transfer any of its shares of Common Stock to a Permitted Transferee without restriction or the consent of the other Sponsor. 

SECTION 5.02 Rule 144 Transfer Procedures. Following the closing of the IPO, and prior to the expiration of the Coordination Period,
either Sponsor intending to Transfer any of its shares of Common Stock in a Rule 144 Transfer or a Private Block Transfer (such Sponsor, the “Notifying Sponsor”) shall provide the other Sponsor (the “Notified Sponsor”) with at
least five (5) business days’ prior written notice (via electronic mail, facsimile or otherwise in accordance with Section 7.01) (a “Sale Notice”) of the Notifying Sponsor’s intention to effect such a Transfer.
Each Sale Notice shall specify the earliest time at which the Notifying Sponsor intends to commence such a Transfer and the number of shares of Common Stock proposed to be Transferred by the Notifying Sponsor in such Transfer. The Sale Notice is
intended to permit the Sponsors electing to Transfer shares of Common Stock held by them at such time to coordinate the timing and process for Transferring such shares of Common Stock in an orderly fashion. Upon receipt of the Sale Notice by the
Notified Sponsor, the Notified Sponsor shall have the right to participate in the contemplated Transfer by Transferring its shares of Common Stock up to a number equal to (x) the number of shares of Common Stock proposed to be Transferred by
the Notifying Sponsor in such Transfer multiplied by (y) a fraction, the numerator of which shall be the number of shares of Common Stock owned by the Notified 

  
 -9- 

 
Sponsor immediately following the closing of the IPO and the denominator of which shall be the aggregate number of shares of Common Stock owned by both Sponsors immediately following the closing
of the IPO; it being understood that if such product is fractional, it shall be rounded down to the nearest whole number. The Notified Sponsor must provide the Notifying Sponsor with written notice of the Notified Sponsor’s intention to
participate in such Transfer within three (3) business days of receipt of the Sale Notice. 
 SECTION 5.03 Rule 144 Transfer Volume
Limitations. For any given measurement period applicable to the measurement of the volume limitation applicable pursuant to Rule 144(e) under the Securities Act, no Sponsor shall be permitted to effect Rule 144 Transfers in excess of its pro
rata share of all shares of Common Stock that may be Transferred pursuant to Rule 144 by the Sponsors in the aggregate during the applicable measurement period. Each Sponsor’s pro rata share shall be calculated as the number of shares of Common
Stock owned by such Sponsor immediately following the closing of the IPO divided by the aggregate number of shares of Common Stock owned by both Sponsors immediately following the closing of the IPO. In the event either Sponsor wishes to
Transfer shares of Common Stock pursuant to Rule 144 in excess of such number, such Sponsor must receive written consent from the other Sponsor prior to effecting such Transfer. 

SECTION 5.04 Coordination Period. The restrictions set forth in this Article V shall terminate at such time when either Sponsor
owns less than 5% of the then-outstanding shares of Common Stock (the “Coordination Period”). 
 ARTICLE VI 

INFORMATION 
 SECTION 6.01
Books and Records; Access. The Company shall, and shall cause its subsidiaries to, keep proper books, records and accounts, in which full and correct entries shall be made of all financial transactions and the assets and business of the
Company and each of its subsidiaries in accordance with generally accepted accounting principles. For so long as a Sponsor has at least one of its respective Sponsor Designees serving as a director of the Board, the Company shall, and shall cause
its subsidiaries to, permit such Sponsor whose Sponsor Designee is then serving as a director and such Sponsor Designee’s respective designated representatives, at reasonable times and upon reasonable prior notice to the Company, to inspect,
review and/or make copies and extracts from the books and records of the Company or any of the Company’s subsidiaries and to discuss the affairs, finances and condition of the Company or any of the Company’s subsidiaries with the officers
of the Company or any the Company’s subsidiaries. For the avoidance of doubt, each Sponsor shall lose the right to Company information granted under this Section 6.01 if such Sponsor owns less than five percent (5%) of
the then-outstanding shares of Common Stock. Subject to Section 6.02, any Sponsor (and any party receiving information from a Sponsor) who shall receive information shall maintain the confidentiality of such information.
Taking into account the “common interest” and joint defense doctrine as may be applicable that would permit the sharing of potentially privileged information without a resulting waiver, the Company shall not be required under this
Section 6.01 to disclose any privileged information where such disclosure would result in a waiver of the applicable privilege so long as the Company has used its best efforts to enter into an arrangement pursuant to which it may provide
such information to such Sponsor or Sponsors without the loss of any such privilege and has notified such Sponsor or Sponsors that such information has not been provided. 

  
 -10- 

 SECTION 6.02 Sharing of Information. Individuals associated with the Sponsors may
from time to time serve on the Board or the equivalent governing body of the Company’s subsidiaries. The Company, on its behalf and on behalf of its subsidiaries, recognizes that such individuals: (i) will from time to time receive non-public information concerning the Company and its subsidiaries; and (ii) may (subject to the obligation to maintain the confidentiality of such information in accordance with
Section 6.01) share such information with other individuals associated with the applicable Sponsor. Such sharing will be for the dual purpose of facilitating support to such individuals in their capacity as directors (or
members of the governing body of any subsidiary) and enabling the Sponsors, as equityholders, to better evaluate the Company’s performance and prospects. The Company, on behalf of itself and its subsidiaries, irrevocably consents to such
sharing. 
 SECTION 6.03 Certain Reports. So long as a Sponsor Designee is then serving as a director, the Company shall deliver or
cause to be delivered to the Sponsors whose Sponsor Designees are then serving as directors, as applicable, at their request: (i) to the extent otherwise prepared by the Company, operating and capital expenditure budgets and periodic
information packages relating to the operations and cash flows of the Company and its subsidiaries, and (ii) such other reports and information as may be reasonably requested by the Sponsors, as applicable. Notwithstanding the previous sentence
but taking into account both the common interest and joint defense doctrine that permits the sharing of privileged information without waiver, the Company shall not be required to disclose any privileged information of the Company where such
disclosure would result in a waiver of the applicable privilege so long as the Company has used its best efforts to enter into an arrangement pursuant to which it may provide such information to such Sponsor or Sponsors without the loss of any such
privilege and has notified such Sponsor or Sponsors that such information has not been provided. 
 ARTICLE VII 

MISCELLANEOUS 
 SECTION
7.01 Notices. Except as otherwise specified in this Agreement, all notices and other communications required or permitted hereunder shall be in writing. Such notices and other communications shall be mailed by registered or certified mail,
return receipt requested, postage prepaid or otherwise delivered by hand, messenger, facsimile transmission or electronic mail and shall be given to such party at its address or facsimile number set forth on the signature pages to this Agreement or
such other address or facsimile number as such party may hereafter specify in writing in accordance with this Section 7.01. Notwithstanding the previous sentence: 

(a) unless otherwise specified by Ares in a notice delivered by Ares in accordance with this Section 7.01, any notice
required to be delivered to Ares shall be properly delivered if delivered to: 

  
 -11- 

 Ares Corporate Opportunities Fund IV, L.P. 

c/o ACOF Operating Manager IV, LLC 

2000 Avenue of the Stars, 12th Floor 

Los Angeles, CA 90067 
 Fax: (310)
201-4157 
 Attention: Eric Waxman, Brian Klos and Natasha Li 

Email: ewaxman@aresmgmt.com; bklos@aresmgmt.com; 

nli@aresmgmt.com 
 with a copy
(which shall not constitute notice) to: 
 Sullivan & Cromwell LLP 

1888 Century Park East 
 Los
Angeles, CA 90067 
 Fax:
1-310-712-8800 

Attention: Rita-Anne O’Neill 

Email: oneillr@sullcrom.com 
 (b)
unless otherwise specified by OTPP in a notice delivered by OTPP in accordance with this Section 7.01, any notice required to be delivered to OTPP shall be properly delivered if delivered to: 

Ontario Teachers’ Pension Plan Board 

5650 Yonge Street, 3rd Floor 

Toronto, ON M2M 4H5 
 Fax: 416-730-5082 
 Attention: Ashfaq Qadri and Blake Sumler 

Email: ashfaq_qadri@otpp.com; blake_sumler@otpp.com 

with copies (which shall not constitute notice) to: 

Ontario Teachers’ Pension Plan Board 

5650 Yonge Street, 3rd Floor 

Toronto, ON M2M 4H5 
 Fax: 416-730-3771 
 Attention: Legal Department 

Email: law_investments@otpp.com 

(c) unless otherwise specified by the Company in a notice delivered by the Company in accordance with this
Section 7.01, any notice required to be delivered to the Company shall be properly delivered if delivered to: 

The AZEK Company Inc. 
 1330 W
Fulton Street, #350 
 Chicago, IL 60607 

Attention: Chief Legal Officer 

  
 -12- 

 with a copy (which shall not constitute notice) to: 

Sullivan & Cromwell LLP 

1888 Century Park East 
 Los
Angeles, CA 90067 
 Fax:
1-310-712-8800 

Attention: Rita-Anne O’Neill 

Email: oneillr@sullcrom.com 

SECTION 7.02 Binding Effect; Benefits. This Agreement shall be binding upon and inure to the benefit of the parties to this Agreement
and their respective successors and permitted assigns. Nothing in this Agreement, express or implied, is intended or shall be construed to give any Person other than the parties to this Agreement or their respective successors or permitted assigns
any legal or equitable right, remedy or claim under or in respect of any agreement or any provision contained in this Agreement. 
 SECTION
7.03 Amendment. This Agreement may not be amended, restated, modified or supplemented in any respect and the observance of any term of this Agreement may not be waived except by a written instrument executed by the Company and each Sponsor
that owns more than 5% of the then outstanding shares of Common Stock. Notwithstanding the previous sentence, in the event any Sponsor ceases to own more than 5% of the then outstanding shares of Common Stock, no amendment, restatement,
modification, supplement or waiver of this Agreement that uniquely and adversely affects such Sponsor shall be effective without the written consent of such Sponsor. 

SECTION 7.04 Assignability. Neither this Agreement nor any right, remedy, obligation or liability arising under or by reason of this
Agreement shall be assignable by any party to this Agreement except as otherwise expressly stated in this Agreement. 
 SECTION 7.05
Governing Law; Submission to Jurisdiction. 
 (a) This Agreement shall be governed by, and construed and enforced in accordance with,
the laws of the State of Delaware, applicable to contracts executed in and to be performed entirely within that State, without giving effect to principles or rules of conflict of laws. 

(b) In any judicial proceeding involving any dispute, controversy or claim arising out of or relating to this Agreement, each of the parties
unconditionally accepts the jurisdiction and venue of the Delaware Court of Chancery, or, but only in the event the Delaware Chancery Court declines jurisdiction, the Superior Court of the State of Delaware (Complex Commercial Division), or, if
jurisdiction over the matter is vested exclusively in federal courts, the United States District Court for the District of Delaware, and the appellate courts to which orders and judgments thereof may be appealed. In any such judicial proceeding, the
parties agree that in addition to any method for the service of process permitted or required by such courts, to the fullest extent permitted by Law, service of process may be made by delivery provided pursuant to the directions in
Section 7.01. 

  
 -13- 

 SECTION 7.06 Enforcement. The parties agree that irreparable damage (for which
monetary damages, even if available, would not be an adequate remedy) would occur in the event that any of the provisions of this Agreement were not performed in accordance with their specific terms on a timely basis or were otherwise breached. It
is accordingly agreed that the parties shall be entitled to an injunction, specific performance and other equitable relief to prevent breaches of this Agreement and to enforce specifically the terms and provisions of this Agreement in any court
identified in Section 7.05 above without the need to post bond, this being in addition to any other remedy to which they are entitled at law or in equity. 

SECTION 7.07 Severability. If any provision of this Agreement shall be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 
 SECTION 7.08 Additional Securities
Subject to Agreement. All shares of Common Stock of the Company that any Sponsor hereafter acquires by means of a stock split, stock dividend, distribution, exercise of options or warrants or otherwise (other than pursuant to a public offering),
whether by merger, consolidation or otherwise (including shares of a surviving corporation into which the shares of Common Stock are exchanged in such transaction) will be subject to the provisions of this Agreement to the same extent as if held on
the date of the this Agreement. 
 SECTION 7.09 Section and Other Headings. The section and other headings contained in this
Agreement are for reference purposes only and shall not affect the meaning or interpretation of this Agreement. 
 SECTION 7.10
Counterparts. This Agreement may be executed in any number of counterparts, each of which may be executed by less than all of the parties to this Agreement. Each such counterpart shall be enforceable against the parties actually executing
such counterparts, and all of which together shall constitute one instrument. 
 SECTION 7.11 Waiver of Jury Trial. To the fullest
extent permitted by applicable law, each party to this Agreement, for itself and its Related Persons, irrevocably and unconditionally waives all right to trial by jury in any action, proceeding or counterclaim arising out of or relating to the
actions of the parties to this Agreement or their respective Related Persons pursuant to this Agreement or in the negotiation, administration, performance or enforcement of this Agreement. The foregoing waiver shall apply regardless of whether any
such claim or counterclaim is based on contract, tort or otherwise. 
 SECTION 7.12 Entire Agreement. This Agreement supersedes all
prior agreements, whether written or oral, between the parties with respect to its subject matter (including this Agreement). This Agreement constitutes a complete and exclusive statement of the terms of the agreement between the parties with
respect to its subject matter. 

  
 -14- 

 SECTION 7.13 Further Assurances. The parties to this Agreement will sign such further
documents, cause such meetings to be held, resolutions passed, exercise their votes and do and perform and cause to be done such further acts and things necessary, proper or advisable in order to give full effect to this Agreement and every
provision of this Agreement. To the fullest extent permitted by law, the Company shall not directly or indirectly take any action that is intended to, or would reasonably be expected to result in, any Sponsor being deprived of the rights
contemplated by this Agreement. 
 [SIGNATURE PAGES FOLLOW] 

  
 -15- 

 IN WITNESS WHEREOF, the Company and each Sponsor have executed this Agreement as of the day
and year first above written. 
  

			
	THE AZEK COMPANY INC.
		
	By:	 	 
		 	Name:
		 	Title:
	
	ARES CORPORATE OPPORTUNITIES FUND IV, L.P.
	
	By: ACOF Operating Manager IV, L.P., its manager
		
	By:	 	 
		 	Name:
		 	Title:
	
	ONTARIO TEACHERS’ PENSION PLAN BOARD
		
	By:	 	 
		 	Name:
		 	Title:

 Signature Page to Stockholders Agreement

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