content: <PAGE>
  
  <TABLE>
  <S>                    <C>                                                             <C>
                                                                                         ---------------------------
                                    UNITED STATES                                        OMB APPROVAL
                         SECURITIES AND EXCHANGE COMMISSION                              ---------------------------
                                WASHINGTON, D.C. 20549                                   OMB Number:       3235-0101
                                                                                         Expires:       May 31, 2000
                                      FORM 144                                           Estimated average burden
                                                                                         hours per response......2.0
                                                                                         ---------------------------
  </TABLE>
  <TABLE>
  <CAPTION>
                                                                                         ---------------------------
                       NOTICE OF PROPOSED SALE OF SECURITIES                                SEC USE ONLY
                  PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933                  ---------------------------
                                                                                         DOCUMENT SEQUENCE NO.
  <S>        <C>                                                                         <C>
  ATTENTION: TRANSMIT FOR FILING 3 COPIES OF THIS FORM CONCURRENTLY WITH EITHER          ---------------------------
             PLACING AN ORDER WITH A BROKER TO EXECUTE SALE OR EXECUTING A SALE          CUSIP NUMBER
             DIRECTLY WITH A MARKET MAKER.
  <S>  <C>                                    <C>                 <C>                    <C>
  -----------------------------------------------------------------------------------    ---------------------------
  1(a) NAME OF ISSUER (Please type or print)  (b) IRS IDENT. NO.  (c) S.E.C. FILE NO.    WORK LOCATION
  
       TREX Company, Inc.                         54-1910453          001-14649          ---------------------------
  -----------------------------------------------------------------------------------    ---------------------------
  <S>  <C>                   <C>          <C>                  <C>       <C>             <C>             <C>
  1(d) ADDRESS OF ISSUER     STREET       CITY                 STATE     ZIP CODE        (e) TELEPHONE NO.
                                                                                         ---------------------------
       20 S. Cameron Street               Winchester           VA        22601           AREA CODE       NUMBER
                                                                                         540             678-4070
  ------------------------------------------------------------------------------------------------------------------------------------
  <S>  <C>                         <C>                <C>                   <C>                            <C>        <C>     <C>
  2(a) NAME OF PERSON FOR WHOSE    (b) IRS IDENT NO.  (c) RELATIONSHIP TO   (d) ADDRESS STREET             CITY       STATE   ZIP CODE
       ACCOUNT THE SECURITIES                             ISSUER
       ARE TO BE SOLD
                                                          0.68%
       Life Insurance Company of       23-1503749         Shareholder           c/o CIGNA Investments, Inc.
       North America                                                            900 Cottage Grove Road,    Hartford,  CT      06152
  ------------------------------------------------------------------------------------------------------------------------------------
  <S>  <C>          <C>
       INSTRUCTION: THE PERSON FILING THIS NOTICE SHOULD CONTACT THE ISSUER TO OBTAIN THE I.R.S. IDENTIFICATION NUMBER AND THE S.E.C.
                    FILE NUMBER.
  ------------------------------------------------------------------------------------------------------------------------------------
  <S>            <C>                           <C>              <C>               <C>        <C>              <C>           <C>
  3(a)           (b)                           SEC USE ONLY     (c)               (d)        (e)               (f)          (g)
                                               --------------
  Title of the   Name and Address of each                       Number of Shares  Aggregate  Number of Shares  Approximate  Name of
   Class of      Broker Through Whom the       Broker-Dealer      or Other Units   Market     or Other Units  Date of Sale  Each
  Securities     Securities are to be Offered  File Number          To Be Sold      Value      Outstanding    (See instr.   Exchange
  To Be Sold     or Each Market Maker who is                    (See instr. 3(c)) (See instr.  (See instr.      3(f))      (See instr.
                 Acquiring the Securities                                             3(d))        3(e))     (MO. DAY YR.)    3(g))
  ------------------------------------------------------------------------------------------------------------------------------------
  Common Stock   Cantor Fitzgerald & Co.                             5,591          $249,848     14,127,822    06/05/2000      NYSE
  $.01 par       One World Trade Center                                             (as of
  value          New York, NY 10048                                               06/01/2000)
  ------------------------------------------------------------------------------------------------------------------------------------
  
  
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  
  
  ------------------------------------------------------------------------------------------------------------------------------------
  <CAPTION>
  <S><C> <C>                                           <C><C> <C>                                                       <C>
  
  INSTRUCTIONS:
  1. (a) Name of issuer                                3. (a) Title of the class of securities to be sold
     (b) Issuer's I.R.S. Identification Number            (b) Name and address of each broker through whom the
     (c) Issuer's S.E.C. file number, if any                  securities are intended to be sold
     (d) Issuer's address, including zip code             (c) Number of shares or other units to be sold (if debt
     (e) Issuer's telephone number, including area code       securities, give the aggregate face amount)
                                                          (d) Aggregate market value of the securities to be sold as
  2. (a) Name of person for whose account the securities      of a specified date within 10 days prior to the filing
         are to be sold                                       of this notice
     (b) Such person's I.R.S. number, if such person      (e) Number of shares or other units of the class
         is an entity                                         outstanding, or if debt securities the face amount
     (c) Such person's relationship to the issuer             thereof outstanding, as shown by the most recent report
         (e.g., officer, director, 10% stockholder            or statement published by the issuer
         or member of immediate family of any of          (f) Approximate date on which the securities are to be sold
         the foregoing)                                   (g) Name of each securities exchange, if any, on which the
     (d) Such person's address, including zip code            securities are intended to be sold
  
                                                                                                                        SEC 1147(7-97)
  </TABLE>
  
  <PAGE> 2
  
  <TABLE>
  <CAPTION>
  
                                                     TABLE I -- SECURITIES TO BE SOLD
                   FURNISH THE FOLLOWING INFORMATION WITH RESPECT TO THE ACQUISITION OF THE SECURITIES TO BE SOLD
              AND WITH RESPECT TO THE PAYMENT OF ALL OR ANY PART OF THE PURCHASE PRICE OR OTHER CONSIDERATION THEREOF:
  ------------------------------------------------------------------------------------------------------------------------------------
  <S>            <C>         <C>                     <C>                                      <C>         <C>        <C>
                                                     Name of Person from Whom acquired        Amount of
  Title of       Date you    Nature of Acquisition   (If gift, also give date donor acquired  Securities  Date of    Nature of Payment
  the Class      Acquired    Transaction             give date donor acquired)                 Acquired   Payment
  ------------------------------------------------------------------------------------------------------------------------------------
  Common stock,   04/07/1999  Reorganization of       Issuer                                  107,350     04/07/1999 Limited liability
   $.01                       TREX Company, L.L.C.                                                                   Company interests
  par value                   and TREX Company,                                                                      of TREX Company,
                              Inc.                                                                                   L.L.C.
  ------------------------------------------------------------------------------------------------------------------------------------
  </TABLE>
  INSTRUCTIONS:  1. If the securities were purchased and full payment therefor was
                    not made in cash at the time of purchase, explain in the table
                    or in a note thereto the nature of the consideration given. If
                    the consideration consisted of any note or other obligation,
                    or if payment was made in installments describe the
                    arrangement and state when the note or other obligation was
                    discharged in full or the last installment paid.
  
                2.  If within two years after the acquisition of the securities
                    the person for whose account they are to be sold had any short
                    positions, put or other option to dispose of securities
                    referred to in paragraph (d)(3) of Rule 144, furnish full
                    information with respect thereto.
  <TABLE>
  <CAPTION>
  
  ------------------------------------------------------------------------------------------------------------------------------------
                                               TABLE II -- SECURITIES SOLD DURING THE PAST 3 MONTHS
                  FURNISH THE FOLLOWING INFORMATION AS TO ALL SECURITIES OF THE ISSUER SOLD DURING THE PAST 3 MONTHS BY
                                             THE PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD.
  ------------------------------------------------------------------------------------------------------------------------------------
  <S>                               <C>                                 <C>                  <C>                    <C>
                                                                                              Amount of
  Name and Address of Seller        Title of Securities Sold            Date of Sale         Securities Sold        Gross Proceeds
  ------------------------------------------------------------------------------------------------------------------------------------
  
  
  
  
  
  
  
  ------------------------------------------------------------------------------------------------------------------------------------
  </TABLE>
  REMARKS:
  
  
  <TABLE>
  <CAPTION>
  
  INSTRUCTIONS:                                                                   ATTENTION:
  <S>                                                                             <C>
  See the definition of "person" in paragraph (a) of Rule 144.                    THE PERSON FOR WHOSE ACCOUNT THE SECURITIES TO WHICH
  Information is to be given not only as to the person for whose account the      THIS NOTICE THAT HE DOES NOT KNOW ANY MATERIAL
  securities are to be sold but also as to all other persons included in that     ADVERSE INFORMATION IN REGARD TO THE CURRENT AND
  definition. In addition, information shall be given as to sales by all persons  PROSPECTIVE OPERATIONS OF THE ISSUER OF THE
  whose sales are required by paragraph (e) of Rule 144 to be aggregated with     SECURITIES TO BE SOLD WHICH HAS NOT BEEN PUBLICLY
  sales for the account of the person filing this notice.                         DISCLOSED.
  
  <S>  <C>                                                                        <C>
  
                                                                                  LIFE INSURANCE COMPANY OF NORTH AMERICA
                                                                                      By:  CIGNA Investments, Inc.
  
  
          June 5, 2000                                                                By:  /s/ Stephen A. Osborn
        ___________________________________________________                              _____________________________________________
                      DATE OF NOTICE                                                                  (SIGNATURE)
                                                                                                  Stephen A. Osborn
                                                                                                  Managing Director
  </TABLE>
  
  
  <TABLE>
  <CAPTION>
  
  THE NOTICE SHALL BE SIGNED BY THE PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD. AT LEAST ONE COPY OF THE NOTICE SHALL BE
                           MANUALLY SIGNED. ANY COPIES NOT MANUALLY SIGNED SHALL BEAR TYPED OR PRINTED SIGNATURES.
  <S>   <C>                                                                                                            <C>
  
  ____________________________________________________________________________________________________________________________________
        ATTENTION: INTENTIONAL MISSTATEMENTS OR OMISSION OF FACTS CONSTITUTE FEDERAL CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001)
  ____________________________________________________________________________________________________________________________________
  
  
                                                                                                                        SEC 1147(7-97)
  </TABLE>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "0001.txt", "description": "FORM 144", "secsgml_size_bytes": 14468}]
text: ---------------------------
                                    UNITED STATES                                        OMB APPROVAL
                         SECURITIES AND EXCHANGE COMMISSION                              ---------------------------
                                WASHINGTON, D.C. 20549                                   OMB Number:       3235-0101
                                                                                         Expires:       May 31, 2000
                                      FORM 144                                           Estimated average burden
                                                                                         hours per response......2.0
                                                                                         ---------------------------
  ---------------------------
                       NOTICE OF PROPOSED SALE OF SECURITIES                                SEC USE ONLY
                  PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933                  ---------------------------
                                                                                         DOCUMENT SEQUENCE NO.
  ATTENTION: TRANSMIT FOR FILING 3 COPIES OF THIS FORM CONCURRENTLY WITH EITHER          ---------------------------
             PLACING AN ORDER WITH A BROKER TO EXECUTE SALE OR EXECUTING A SALE          CUSIP NUMBER
             DIRECTLY WITH A MARKET MAKER.
  -----------------------------------------------------------------------------------    ---------------------------
  1(a) NAME OF ISSUER (Please type or print)  (b) IRS IDENT. NO.  (c) S.E.C. FILE NO.    WORK LOCATION
  
       TREX Company, Inc.                         54-1910453          001-14649          ---------------------------
  -----------------------------------------------------------------------------------    ---------------------------
  1(d) ADDRESS OF ISSUER     STREET       CITY                 STATE     ZIP CODE        (e) TELEPHONE NO.
                                                                                         ---------------------------
       20 S. Cameron Street               Winchester           VA        22601           AREA CODE       NUMBER
                                                                                         540             678-4070
  ------------------------------------------------------------------------------------------------------------------------------------
  2(a) NAME OF PERSON FOR WHOSE    (b) IRS IDENT NO.  (c) RELATIONSHIP TO   (d) ADDRESS STREET             CITY       STATE   ZIP CODE
       ACCOUNT THE SECURITIES                             ISSUER
       ARE TO BE SOLD
                                                          0.68%
       Life Insurance Company of       23-1503749         Shareholder           c/o CIGNA Investments, Inc.
       North America                                                            900 Cottage Grove Road,    Hartford,  CT      06152
  ------------------------------------------------------------------------------------------------------------------------------------
  INSTRUCTION: THE PERSON FILING THIS NOTICE SHOULD CONTACT THE ISSUER TO OBTAIN THE I.R.S. IDENTIFICATION NUMBER AND THE S.E.C.
                    FILE NUMBER.
  ------------------------------------------------------------------------------------------------------------------------------------
  3(a)           (b)                           SEC USE ONLY     (c)               (d)        (e)               (f)          (g)
                                               --------------
  Title of the   Name and Address of each                       Number of Shares  Aggregate  Number of Shares  Approximate  Name of
   Class of      Broker Through Whom the       Broker-Dealer      or Other Units   Market     or Other Units  Date of Sale  Each
  Securities     Securities are to be Offered  File Number          To Be Sold      Value      Outstanding    (See instr.   Exchange
  To Be Sold     or Each Market Maker who is                    (See instr. 3(c)) (See instr.  (See instr.      3(f))      (See instr.
                 Acquiring the Securities                                             3(d))        3(e))     (MO. DAY YR.)    3(g))
  ------------------------------------------------------------------------------------------------------------------------------------
  Common Stock   Cantor Fitzgerald & Co.                             5,591          $249,848     14,127,822    06/05/2000      NYSE
  $.01 par       One World Trade Center                                             (as of
  value          New York, NY 10048                                               06/01/2000)
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  INSTRUCTIONS:
  1. (a) Name of issuer                                3. (a) Title of the class of securities to be sold
     (b) Issuer's I.R.S. Identification Number            (b) Name and address of each broker through whom the
     (c) Issuer's S.E.C. file number, if any                  securities are intended to be sold
     (d) Issuer's address, including zip code             (c) Number of shares or other units to be sold (if debt
     (e) Issuer's telephone number, including area code       securities, give the aggregate face amount)
                                                          (d) Aggregate market value of the securities to be sold as
  2. (a) Name of person for whose account the securities      of a specified date within 10 days prior to the filing
         are to be sold                                       of this notice
     (b) Such person's I.R.S. number, if such person      (e) Number of shares or other units of the class
         is an entity                                         outstanding, or if debt securities the face amount
     (c) Such person's relationship to the issuer             thereof outstanding, as shown by the most recent report
         (e.g., officer, director, 10% stockholder            or statement published by the issuer
         or member of immediate family of any of          (f) Approximate date on which the securities are to be sold
         the foregoing)                                   (g) Name of each securities exchange, if any, on which the
     (d) Such person's address, including zip code            securities are intended to be sold
  
                                                                                                                        SEC 1147(7-97)
  2
  TABLE I -- SECURITIES TO BE SOLD
                   FURNISH THE FOLLOWING INFORMATION WITH RESPECT TO THE ACQUISITION OF THE SECURITIES TO BE SOLD
              AND WITH RESPECT TO THE PAYMENT OF ALL OR ANY PART OF THE PURCHASE PRICE OR OTHER CONSIDERATION THEREOF:
  ------------------------------------------------------------------------------------------------------------------------------------
  Name of Person from Whom acquired        Amount of
  Title of       Date you    Nature of Acquisition   (If gift, also give date donor acquired  Securities  Date of    Nature of Payment
  the Class      Acquired    Transaction             give date donor acquired)                 Acquired   Payment
  ------------------------------------------------------------------------------------------------------------------------------------
  Common stock,   04/07/1999  Reorganization of       Issuer                                  107,350     04/07/1999 Limited liability
   $.01                       TREX Company, L.L.C.                                                                   Company interests
  par value                   and TREX Company,                                                                      of TREX Company,
                              Inc.                                                                                   L.L.C.
  ------------------------------------------------------------------------------------------------------------------------------------
  INSTRUCTIONS:  1. If the securities were purchased and full payment therefor was
                    not made in cash at the time of purchase, explain in the table
                    or in a note thereto the nature of the consideration given. If
                    the consideration consisted of any note or other obligation,
                    or if payment was made in installments describe the
                    arrangement and state when the note or other obligation was
                    discharged in full or the last installment paid.
  
                2.  If within two years after the acquisition of the securities
                    the person for whose account they are to be sold had any short
                    positions, put or other option to dispose of securities
                    referred to in paragraph (d)(3) of Rule 144, furnish full
                    information with respect thereto.
  ------------------------------------------------------------------------------------------------------------------------------------
                                               TABLE II -- SECURITIES SOLD DURING THE PAST 3 MONTHS
                  FURNISH THE FOLLOWING INFORMATION AS TO ALL SECURITIES OF THE ISSUER SOLD DURING THE PAST 3 MONTHS BY
                                             THE PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD.
  ------------------------------------------------------------------------------------------------------------------------------------
  Amount of
  Name and Address of Seller        Title of Securities Sold            Date of Sale         Securities Sold        Gross Proceeds
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  REMARKS:
  INSTRUCTIONS:                                                                   ATTENTION:
  See the definition of "person" in paragraph (a) of Rule 144.                    THE PERSON FOR WHOSE ACCOUNT THE SECURITIES TO WHICH
  Information is to be given not only as to the person for whose account the      THIS NOTICE THAT HE DOES NOT KNOW ANY MATERIAL
  securities are to be sold but also as to all other persons included in that     ADVERSE INFORMATION IN REGARD TO THE CURRENT AND
  definition. In addition, information shall be given as to sales by all persons  PROSPECTIVE OPERATIONS OF THE ISSUER OF THE
  whose sales are required by paragraph (e) of Rule 144 to be aggregated with     SECURITIES TO BE SOLD WHICH HAS NOT BEEN PUBLICLY
  sales for the account of the person filing this notice.                         DISCLOSED.
  LIFE INSURANCE COMPANY OF NORTH AMERICA
                                                                                      By:  CIGNA Investments, Inc.
  
          June 5, 2000                                                                By:  /s/ Stephen A. Osborn
        ___________________________________________________                              _____________________________________________
                      DATE OF NOTICE                                                                  (SIGNATURE)
                                                                                                  Stephen A. Osborn
                                                                                                  Managing Director
  THE NOTICE SHALL BE SIGNED BY THE PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD. AT LEAST ONE COPY OF THE NOTICE SHALL BE
                           MANUALLY SIGNED. ANY COPIES NOT MANUALLY SIGNED SHALL BEAR TYPED OR PRINTED SIGNATURES.
  ____________________________________________________________________________________________________________________________________
        ATTENTION: INTENTIONAL MISSTATEMENTS OR OMISSION OF FACTS CONSTITUTE FEDERAL CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001)
  ____________________________________________________________________________________________________________________________________
  
                                                                                                                        SEC 1147(7-97)