Document:

EX-4.19

 Exhibit 4.19 

DESCRIPTION OF SECURITIES 

REGISTERED PURSUANT TO SECTION 12 OF THE 

SECURITIES EXCHANGE ACT OF 1934 

Trex Company, Inc. has two classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the
“Exchange Act”): (1) our Common Stock; (2) our Preferred Stock. 
 Description of Common Stock 

The following description of our Common Stock is a summary and does not purport to be complete. It is subject to and qualified in its
entirety by reference to our Amended and Restated Articles of Incorporation (the “Articles of Incorporation”) and our Amended and Restated Bylaws (the “Bylaws”), each of which are incorporated by reference as an exhibit to the
Annual Report on Form 10-K of which this Exhibit 4.16 is a part. We encourage you to read our Articles of Incorporation, our Bylaws for additional information. 

Authorized Capital Shares 
 Our authorized
capital shares consist of 180,000,000 shares of common stock, $0.01 par value per share (“Common Stock”), and 3,000,000 shares of series preferred stock, $0.01 par value per preferred share (“Preferred Stock”). The outstanding
shares of our Common Stock are fully paid and nonassessable. 
 Voting Rights 

Holders of Common Stock are entitled to one vote per share on all matters voted on by the stockholders, including the election of directors.
Our Common Stock does not have cumulative voting rights. 
 Dividend Rights 

Subject to the rights of holders of outstanding shares of Preferred Stock, if any, the holders of Common Stock are entitled to receive
dividends, if any, as may be declared from time to time by the Board of Directors in its discretion out of funds legally available for the payment of dividends. 

Liquidation Rights 
 Subject to any
preferential rights of outstanding shares of Preferred Stock, holders of Common Stock will share ratably in all assets legally available for distribution to our stockholders in the event of dissolution. 

Other Rights and Preferences 
 Our Common
Stock has no sinking fund or redemption provisions or preemptive, conversion or exchange rights. Holders of Common Stock may act by unanimous written consent. 

Listing 
 The Common Stock is traded on
the New York Stock Exchange under the trading symbol “TREX.” 
 DESCRIPTION OF PREFERRED STOCK 

The Board of Directors is authorized without further stockholder action to provide for the issuance from time to time of up to 3,000,000 shares of Preferred
Stock in one or more series with such powers, designations, preferences and relative, participating, optional or other rights, qualifications, limitations or restrictions as will be set forth in the 

 
resolutions providing for the issuance of such series adopted by the Board of Directors. The holders of Preferred Stock have no preemptive rights (unless otherwise provided in the applicable
certificate of designation) and are not subject to future assessments by the Company. Such Preferred Stock may have voting or other rights which could adversely affect the rights of holders of the Common Stock.EX-10.3

 Exhibit 10.3 

TREX COMPANY, INC. 

AMENDED AND RESTATED 

1999 INCENTIVE PLAN FOR OUTSIDE DIRECTORS 

 TABLE OF CONTENTS 

 

					
	 	 	 	  	Page
	 1.  
	 	DEFINITIONS	  	1
	 2.  
	 	PURPOSE	  	2
	 3.  
	 	SHARES SUBJECT TO THE PLAN	  	2
	 4.  
	 	ANNUAL DIRECTOR AND COMMITTEE FEES	  	2
		 	4.1        Annual Director Fee	  	2
		 	4.3        Election	  	3
		 	4.4        Proration	  	3
	 5.  
	 	GRANT DATE	  	4
	 6.  
	 	ELECTION TO RECEIVE ADDITIONAL EQUITY	  	4
		 	6.1        Election Form	  	4
		 	6.2        Time for Filing Election Form	  	4
	 7.  
	 	ADMINISTRATION	  	4
		 	7.1        Committee	  	4
		 	7.2        Rules for Administration	  	4
		 	7.3        Committee Action	  	4
		 	7.4        Delegation	  	5
		 	7.5        Services	  	5
		 	7.6        Indemnification	  	5
	 8.  
	 	AMENDMENT AND TERMINATION	  	5
	 9.  
	 	GENERAL PROVISIONS	  	5
		 	9.1        Limitation of Rights	  	5
		 	9.2        No Rights as Stockholders	  	5
		 	9.3        Rights as a Non-Employee Director	  	5
		 	9.4        Assignment, Pledge or Encumbrance	  	5
		 	9.5        Binding Provisions	  	5
		 	9.6        Notices	  	5
		 	9.7        Governing Law	  	6
		 	9.8        Withholding	  	6
		 	9.9        Effective Date	  	6

  
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	1.	 DEFINITIONS 

To the extent any capitalized words used in this Plan are not defined, they shall have the definitions stated for them in the Trex Company,
Inc. 2014 Stock Incentive Plan. 
 1.1    ”Annual Director Fee” means an annual fee earned by an
Eligible Director for service on the Board of Directors. 
 1.2    “Annual Committee Fee” means an
annual fee earned by an Eligible Director for service on various committees of the Board of Directors. 

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

1.4    “Cash Portion of the Annual Director Fee” means the portion of the Annual Director Fee to be
received in cash, or if elected by the Eligible Director, in Equity, as provided in Sections 4.3 and 6 hereof. 

1.5    ”Committee” means the Nominating/Corporate Governance Committee which administers the Plan. 

1.6    ”Common Stock” means the common stock, par value $0.01 per share, of the Company. 

1.7    ”Company” means Trex Company, Inc., a Delaware corporation, or any successor thereto. 

1.8    ”Election Form” means the form used by an Eligible Director to elect to receive all or a portion of
the Cash Portion of the Annual Director Fee and the Annual Committee Fee for a Plan Year in the form of Equity. 

1.9    ”Eligible Director” for each Plan Year means a member of the Board of Directors who is not an
employee of the Company or any Subsidiary. 
 1.10    “Equity” means Options, Restricted Stock,
Restricted Stock Units or SARs, or any combination thereof, as designated by the Committee from time to time, as provided in Section 4.6. 

1.11    “Equity Portion of the Annual Director Fee” means the portion of the Annual Director Fee to be
received in Equity, as provided in Section 4.1.2 hereof. 
 1.12    ”Fair Market Value” means the
closing price of a share of Common Stock reported on the New York Stock Exchange (the “NYSE”) on the date Fair Market Value is being determined, provided that if there is no closing price reported on such date, the Fair Market Value of a
share of Common Stock on such date shall be deemed equal to the closing price as reported by the NYSE for the last preceding date on which sales of shares of Common Stock were reported. Notwithstanding the foregoing, in the event that the shares of
Common Stock are listed upon more than one established stock exchange, “Fair Market Value” means the closing price of the shares of Common Stock reported on the exchange that trades the largest volume of shares of Common Stock on the date
Fair Market Value is being determined. If the Common Stock is not at the time listed or admitted to trading on a stock exchange, Fair Market Value means the mean between the lowest reported bid price and highest reported asked price of the Common
Stock on the date in question in the over-the-counter market, as such prices are reported in a publication of general circulation selected by the Board and regularly
reporting the market price of Common Stock in such market. If the Common Stock is not listed or admitted to trading on any stock exchange or traded in the
over-the-counter market, Fair Market Value shall be as determined in good faith by the Board. 

1.13    “Grant Date” has the meaning set forth in Section 5 hereof. 

1.14    “Option” means a non-qualified Option granted pursuant to
the Trex Company, Inc. 2014 Stock Incentive Plan as may be amended from time to time. 
 1.15    ”Option
Agreement” means the written agreement between the Company and the Participant that evidences and sets out the terms and conditions of the Option. 

1.16    “Option Price” means the purchase price for each share of Common Stock subject to an Option. 

1.17    ”Participant” for any Plan Year means an Eligible Director who participates in the Plan for that
Plan Year in accordance with Section 6.1 hereof. 

  
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 1.18    ”Plan” means the Trex Company, Inc. Amended and
Restated 1999 Incentive Plan for Outside Directors as set forth herein and as amended from time to time. 

1.19    ”Plan Year” means the twelve-month period beginning on July 1 and ending on June 30. 

1.20    ’’Restricted Stock’’ means shares of Common Stock, issued pursuant to the Trex Company,
Inc. 2014 Stock Incentive Plan as may be amended from time to time. 
 1.21    “Restricted Stock
Agreement” means the written agreement between the Company and the Participant that evidences and sets out the terms and conditions of the Restricted Stock. 

1.22    “Restricted Stock Unit” means restricted stock units issued pursuant to the Trex Company, Inc.
2014 Stock Incentive Plan as may be amended from time to time. 
 1.23    “Restricted Stock Unit
Agreement” means the written agreement between the Company and the Participant that evidences and sets out the terms and conditions of the Restricted Stock Unit. 

1.24    ”SAR Agreement” means the written agreement between the Company and the Participant that evidences
and sets out the terms and conditions of the SARs. 
 1.25    “Stock Appreciation Right” or
“SAR” means a right granted pursuant to, and in accordance with the terms of, the Trex Company, Inc. 2014 Stock Incentive Plan to receive, upon exercise thereof, the excess of (x) the Fair Market Value of one share of Common
Stock on the date of exercise over (y) the grant price of the SAR, determined pursuant to Section 4.6.2 hereof. 

1.26    “SAR Price” means the grant price of the SAR. 

1.27    “Subsidiary” means any “subsidiary corporation” of the Company within the meaning of
Section 424(f) of the Internal Revenue Code of 1986, as amended. 
  

	2.	 PURPOSE 

The purpose of the Plan is to compensate Eligible Directors for service on the Board of Directors and various committees of the Board, and to
provide an incentive for Eligible Directors to increase their equity holdings in the Company so that the financial interests of the Eligible Directors shall be more closely aligned with the financial interests of the Company’s stockholders.

  

	3.	 SHARES SUBJECT TO THE PLAN 

The shares of Common Stock issuable under the Plan shall be issued pursuant to the Trex Company, Inc. 2014 Stock Incentive Plan. 

 

	4.	 ANNUAL DIRECTOR AND COMMITTEE FEES 

 

	 	4.1	 Annual Director Fee 

Each Eligible Director shall be entitled to an Annual Director Fee, which may be adjusted by the Board from time to time, as follows: 

4.1.1 Cash Portion of the Annual Director Fee. Each Eligible Director shall receive the amount of seventy three thousand seventy hundred
and fifty dollars ($73,750) (the “Cash Portion of the Annual Director Fee”). The Cash Portion of the Annual Director Fee (after reduction pursuant to Section 4.3 hereof, if any) shall be paid to an Eligible Director in four equal
quarterly installments in arrears on the first business day following the end of each quarter of the Plan Year in which the Eligible Director provided services to the Company. Notwithstanding the foregoing, (a) any Eligible Director who serves
as Chairman of the Board shall receive the amount of eighty five thousand dollars ($85,000) in 7addition to the $73,750 payment referred to above, (b) any Eligible Director who serves as Vice Chairman of the Board shall receive the amount of
fifty five thousand dollars ($55,000) in addition to the $73,750 payment referred to above, and (c) any Eligible Director that serves as Lead Independent Director shall receive the amount of twenty five thousand dollars ($25,000) in addition to
the $73,750 payment referred to above, with all other provisions of this subsection being applicable to such Eligible Director(s). 

  
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 4.1.2 Equity Portion of the Annual Director Fee. Each Eligible Director shall receive
Equity valued at one hundred and ten thousand dollars ($110,000) (the “Equity Portion of the Annual Director Fee”). The Equity Portion of the Annual Director Fee shall be paid in arrears as provided in Section 5 below. 

 

	 	4.2	 Annual Committee Fee 

Each Eligible Director shall be entitled to an Annual Committee Fee, which may be adjusted by the Board from time to time, for each Committee
they serve on, in the amount of ten thousand dollars ($10,000) for a Committee member (other than the Chairman) and twenty thousand dollars ($20,000) for a Committee Chairman. The Annual Committee Fee shall be paid to an Eligible Director in four
equal quarterly installments in arrears on the first business day following each quarter of the Plan Year in which the Eligible Director served on the applicable committee(s). 

 

	 	4.3	 Election 

Pursuant to Section 6 hereof, an Eligible Director may elect to receive all or a portion of the Cash Portion of the Annual
Director Fee and the Annual Committee Fee in the form of Equity. 
  

	 	4.4	 Proration 

The Cash Portion of the Annual Director Fee, the Equity Portion of the Annual Director Fee and the Annual Committee Fee shall be prorated for
any partial periods served. 
  

	 	4.5	 Initial Grant upon Election to Board 

Upon initial election to the Board (but not subsequent re-elections), each Eligible Director shall
receive Equity valued at fifty five thousand dollars ($55,000). 
  

	 	4.6	 Equity 

4.6.1 Form of Equity. Whenever Equity is to be granted to Eligible Directors hereunder, the Committee shall, prior to such grant,
determine whether such Equity shall be in the form of Options, Restricted Stock, Restricted Stock Units or SARs, or any combination thereof. 

4.6.2 Options and SARs. If Options or SARS are granted, the number of Options or SARs granted shall be determined by dividing the
dollar amount of the grant by the value of each Option or SAR on the Grant Date as determined pursuant to the methodology then in use by the Company’s Finance Department to value Options and SARs granted pursuant to the Trex Company, Inc. 2014
Stock Incentive Plan. The Option Price or SAR Price of Common Stock covered by each SAR or Option, as the case may be, granted under the Plan shall be the Fair Market Value of such Common Stock on the Grant Date. Each Option or SAR, as the case may
be, granted hereunder shall be exercisable in respect of 100 percent (100%) of the number of shares covered by the grant on the date of the grant of such Option or SAR. Any limitation on the exercise of an Option or SAR contained in any Option
or SAR Agreement may be rescinded, modified or waived by the Committee, in its sole discretion, at any time and from time to time after the date of grant of such Option or SAR. The Option or SAR, as the case may be, shall be exercisable, in whole or
in part, at any time and from time to time, prior to the termination of the Option or SAR; provided, that no single exercise of the Option or SAR shall be for less than 100 shares, unless the number of shares purchased is the total number at
the time available for purchase under the Option or SAR. Each Option or SAR, as the case may be, granted under the Plan shall terminate, and all rights to purchase shares of Common Stock thereunder shall cease, upon the expiration of ten years
(eleven years if the service of the Participant as a director of the Company shall terminate due to death in the tenth year of the Option or SAR term) from the date such Option or SAR is granted. Except as otherwise provided in the Option or SAR
Agreement, upon the termination of service (a “Service Termination”) of the Participant as a director of the Company for any reason, the Participant shall have the right, at any time within five years after the date of such
Participant’s Service Termination and prior to termination of the Option or SAR, to exercise any Option or SAR held by such Participant at the date of such Participant’s Service Termination. After the termination of the Option or SAR, the
Participant shall have no further right to purchase shares of Common Stock pursuant to such Option or SAR. 

  
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 4.6.3 Restricted Stock and Restricted Stock Units. If Restricted Stock or Restricted
Stock Units are granted, the number of shares of Restricted Stock or Restricted Stock Units shall be determined by dividing the dollar amount of the grant by the Fair Market Value of a share of Common Stock on the Grant Date. Except as otherwise
provided in the Restricted Stock Agreement or Restricted Stock Unit Agreement, each share of Restricted Stock or each Restricted Stock Unit will vest on the first anniversary of the grant, provided that such Restricted Stock or Restricted Stock Unit
has not been forfeited, as provided below. Except as otherwise provided in the Restricted Stock Agreement or Restricted Stock Unit Agreement, (a) in the event of a Service Termination of a Participant due to death, “permanent and total
disability” (within the meaning of Section 22(e)(3) of the Code), or retirement, any unvested Restricted Stock or Restricted Stock Units held by such Participant shall immediately vest, and (b) in the event of a Service Termination
for any other reason, any unvested Restricted Stock or Restricted Stock Unit held by such Participant shall immediately be deemed forfeited. 
  

	5.	 GRANT DATE 

The date of grant for the Equity Portion of the Annual Director Fee shall be the date of the first regularly scheduled Board of Directors’
Meeting following the end of each Plan Year in which the Eligible Director provided services to the Company, and the date of grant for Equity issued in lieu of the Cash Portion of the Annual Director Fee and the Annual Committee Fee, as provided in
Section 8 hereof, shall be the date such Fees would otherwise be due (each of such dates being referred to as the “Grant Date”). 
  

	6.	 ELECTION TO RECEIVE ADDITIONAL EQUITY 

 

	 	6.1	 Election Form 

A Participant who wishes to receive all or any portion of the Cash Portion of the Annual Director Fee and the Annual Committee Fee in the form
of Equity shall file an Election Form with the Company, in the form and manner prescribed by the Committee. Filing of a completed Election Form will authorize the Company to issue Equity to the Participant in lieu of all or any portion of the Cash
Portion of the Annual Director Fee and the Annual Committee Fee, in accordance with the Participant’s instructions on the Election Form. 
  

	 	6.2	 Time for Filing Election Form 

An Election Form shall be completed and filed by each newly elected Eligible Director within thirty (30) days after the Participant’s
election to the Board, and elections under the Plan made by a newly elected Eligible Director shall apply to the Participant’s Annual Director Fee and Annual Committee Fee for the remainder of the Plan Year and subsequent Plan Years unless and
until a new Election Form is submitted by an Eligible Director to the Corporate Secretary. Notwithstanding the foregoing, a new Election Form may be submitted by each Eligible Director no more than once each Plan Year, and any new election shall not
be effective until the start of the next calendar year. 
  

	7.	 ADMINISTRATION 

 

	 	7.1	 Committee 

The general administration of the Plan and the responsibility for carrying out its provisions shall be placed in the Nominating/Corporate
Governance Committee. 
  

	 	7.2	 Rules for Administration 

Subject to the limitations of the Plan, the Committee may from time to time establish such rules and procedures for the administration and
interpretation of the Plan and the transaction of its business as the Committee may deem necessary or appropriate. The determination of the Committee as to any disputed question relating to the administration and interpretation of the Plan shall be
conclusive. 
  

	 	7.3	 Committee Action 

Any act which the Plan authorizes or requires the Committee to do may be done by a majority of its members. The action of such majority,
expressed from time to time by a vote at a meeting (i) in person, or (ii) by telephone or other means by which all members can hear one another shall have the same effect for all purposes as if assented to by all members of the Committee
at the time in office. The Committee may also act without a meeting by unanimous written consent. 

  
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	 	7.4	 Delegation 

The members of the Committee may authorize one or more of their number to execute or deliver any instrument, make any payment or perform any
other act which the Plan authorizes or requires the Committee to do. 
  

	 	7.5	 Services 

The Committee may employ or retain agents to perform such clerical, accounting and other services as it may require in carrying out the
provisions of the Plan. 
  

	 	7.6	 Indemnification 

The Company shall indemnify and save harmless each member of the Committee against all expenses and liabilities arising out of membership on
the Committee, other than expenses and liabilities arising from the such member’s own gross negligence or willful misconduct, as determined by the Board of Directors. 
  

	8.	 AMENDMENT AND TERMINATION 

The Company, by action of the Board of Directors or the Committee, may at any time or from time to time modify or amend any or all of the
provisions of the Plan, or may at any time terminate the Plan. No such action shall adversely affect the accrued rights of any Participant hereunder without the Participant’s consent thereto. 

 

	9.	 GENERAL PROVISIONS 

 

	 	9.1	 Limitation of Rights 

No Participant shall have any right to any payment or benefit hereunder except to the extent provided in the Plan. 

 

	 	9.2	 No Rights as Stockholders 

Nothing contained in this Plan shall be construed as giving any Participant rights as a stockholder of the Company. 

 

	 	9.3	 Rights as a Non-Employee Director 

Nothing contained in this Plan shall be construed as giving any Participant a right to be retained as a
non-employee director of the Company. 
  

	 	9.4	 Assignment, Pledge or Encumbrance 

No assignment, pledge or other encumbrance of any payments or benefits under the Plan shall be permitted or recognized and, to the extent
permitted by law, no such payments or benefits shall be subject to legal process or attachment for the payment of any claim of any person entitled to receive the same, except to the extent such assignment, pledge or other encumbrance is in favor of
the Company to secure a loan or other extension of credit from the Company to the Participant. 
  

	 	9.5	 Binding Provisions 

The provisions of this Plan shall be binding upon each Participant as a consequence of the Participant’s election to participate in the
Plan, upon the Company, upon the Participant’s heirs, executors and administrators and upon the successors and assigns of the Participant and the Company. 
  

	 	9.6	 Notices 

Any election made or notice given by a Participant pursuant to the Plan shall be in writing to the Committee or to such representative thereof
as may be designated by the Committee for such purpose and shall be deemed to have been made or given on the date received by the Committee or its representative. 

  
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	 	9.7	 Governing Law 

The validity and interpretation of the Plan and of any of its provisions shall be construed under the laws of the State of Delaware without
giving effect to the choice of law provisions thereof. 
  

	 	9.8	 Withholding 

The Company shall have the right to deduct from the amounts distributable hereunder any federal, state or local taxes required by law to be
withheld with respect to such distributions, and such additional amounts of withholding as are reasonably requested by the Participant. 
  

	 	9.9	 Effective Date 

This Plan shall be effective as of March 12, 1999. The Plan was amended and restated effective May 14, 2002, October 24, 2003,
July 27, 2004, February 10, 2005, July 21, 2005, February 8, 2006, July 20, 2006 and November 12, 2007. The Plan was amended on May 5, 2010, July 20, 2010, July 24, 2012, April 30, 2014,
February 18, 2015, July 27, 2015, October 21, 2015, October 24, 2018, February 21, 2020 and February 17, 2021. 

  
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