<SEC-DOCUMENT>0001140361-18-024806.txt : 20180521
<SEC-HEADER>0001140361-18-024806.hdr.sgml : 20180521
<ACCEPTANCE-DATETIME>20180521080046
ACCESSION NUMBER:		0001140361-18-024806
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180518
FILED AS OF DATE:		20180521
DATE AS OF CHANGE:		20180521

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MCCOLLUM MARK A
		CENTRAL INDEX KEY:			0001215888

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32260
		FILM NUMBER:		18848406

	MAIL ADDRESS:	
		STREET 1:		3000 NORTH SAM HOUSTON PARKWAY E.
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESTLAKE CHEMICAL CORP
		CENTRAL INDEX KEY:			0001262823
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL ORGANIC CHEMICALS [2860]
		IRS NUMBER:				760346924
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2801 POST OAK BLVD
		STREET 2:		SUITE 600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
		BUSINESS PHONE:		713-960-9111

	MAIL ADDRESS:	
		STREET 1:		2801 POST OAK BLVD
		STREET 2:		SUITE 600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-05-18</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001262823</issuerCik>
        <issuerName>WESTLAKE CHEMICAL CORP</issuerName>
        <issuerTradingSymbol>WLK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001215888</rptOwnerCik>
            <rptOwnerName>MCCOLLUM MARK A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2801 POST OAK BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 600</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77056</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>Mark A. McCollum by J. Feng POA</signatureName>
        <signatureDate>2018-05-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.2
<SEQUENCE>2
<FILENAME>poa_mccollum.htm
<TEXT>
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    <title></title>
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  <div>
    <div><br>
    </div>
    <div style="text-align: center;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif; font-weight: bold;">POWER OF ATTORNEY</font></div>
    <div><br>
    </div>
    <div style="text-align: justify; text-indent: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">Know all by these presents, that the undersigned hereby constitutes and appoints each of the following: L. Benjamin
        Ederington, Julia Feng and Joel Iglesias signing singly, the undersigned&#8217;s true and lawful attorney-in-fact to:</font></div>
    <div>
      <table cellspacing="0" cellpadding="0" id="z526474bbc9ab4039ace81df8bd64db2b" class="DSPFListTable" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%;">

          <tr>
            <td style="width: 72pt; vertical-align: top; align: right;">
              <div style="text-align: left; margin-left: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">(1)</font></div>
            </td>
            <td style="width: auto; vertical-align: top;">
              <div style="text-align: justify;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">execute for and on behalf of the undersigned, in the undersigned&#8217;s capacity as an officer and/or director of Westlake Chemical
                  Corporation (the &#8220;Company&#8221;), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder, and any other forms or reports the undersigned may be required to file in connection with the
                  undersigned&#8217;s ownership, acquisition, or disposition of securities of the Company;</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div><br>
    </div>
    <div>
      <table cellspacing="0" cellpadding="0" id="z2e24372e5eb844128aeb9072bc9d7f4b" class="DSPFListTable" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%;">

          <tr>
            <td style="width: 72pt; vertical-align: top; align: right;">
              <div style="text-align: left; margin-left: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">(2)</font></div>
            </td>
            <td style="width: auto; vertical-align: top;">
              <div style="text-align: justify;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute
                  any such Form 3, 4, or 5, or other form or report, including without limitation, all forms or reports necessary to obtain EDGAR Identification Numbers, and timely file such form or report with the United States Securities and Exchange
                  Commission and any stock exchange or similar authority; and</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div><br>
    </div>
    <div>
      <table cellspacing="0" cellpadding="0" id="z6677a093a83e4672963c895bd1208ee6" class="DSPFListTable" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%;">

          <tr>
            <td style="width: 72pt; vertical-align: top; align: right;">
              <div style="text-align: left; margin-left: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">(3)</font></div>
            </td>
            <td style="width: auto; vertical-align: top;">
              <div style="text-align: justify;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may
                  be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such
                  form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact&#8217;s discretion.</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div><br>
    </div>
    <div style="text-align: justify; text-indent: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act
        and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of
        substitution or revocation, hereby ratifying and confirming that all such attorney-in-fact, or such attorney-in-fact&#8217;s substitute or substitutes, shall lawfully do or case to be done by virtue of this power of attorney and the rights and powers
        herein granted.&#160; The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned&#8217;s responsibilities to comply
        with Section 16 of the Securities Exchange Act of 1934.</font></div>
    <div style="text-align: justify; text-indent: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3,
        4, and 5 with respect to the undersigned&#8217;s holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.</font></div>
    <div style="text-align: justify; text-indent: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed effective as of January 26, 2018.</font></div>
    <div><br>
    </div>
    <div style="text-align: justify; margin-left: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;"> </font><br>
    </div>
    <div><br>
    </div>
    <div style="text-align: justify; text-indent: 216pt; margin-left: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;"><u>/s/ MARK A. MCCOLLUM</u></font></font></div>
    <div style="text-align: justify; text-indent: 216pt; margin-left: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif; font-weight: bold;">MARK A. MCCOLLUM</font></div>
    <div><br>
    </div>
    <div><br>
    </div>
    <div style="margin: 0px 0px 0px 36pt; text-align: left;">
      <table cellspacing="0" cellpadding="0" border="0" height="54" style="width: 100%; font-family: 'Times New Roman', Times, serif; font-size: 10pt;" id="z86ff97ff776545dd84d8bc802872101f">

          <tr>
            <td style="width: 12%;">
              <div>STATE OF TEXAS</div>
            </td>
            <td style="width: 38%;">
              <div>&#167;</div>
            </td>
            <td style="width: 25.00%;">
              <div>&#160;</div>
            </td>
            <td style="width: 25.00%;">
              <div>&#160;</div>
            </td>
          </tr>
          <tr>
            <td style="width: 12%;">
              <div>&#160;</div>
            </td>
            <td style="width: 38%;">
              <div><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">&#167;</font></div>
            </td>
            <td style="width: 25.00%;">
              <div>&#160;</div>
            </td>
            <td style="width: 25.00%;">
              <div>&#160;</div>
            </td>
          </tr>
          <tr>
            <td style="width: 12%;">
              <div><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">COUNTY OF HARRIS</font></div>
            </td>
            <td style="width: 38%;">
              <div><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">&#167;</font></div>
            </td>
            <td style="width: 25.00%;">
              <div>&#160;</div>
            </td>
            <td style="width: 25.00%;">
              <div>&#160;</div>
            </td>
          </tr>

      </table>
    </div>
    <div style="margin: 0px 0px 0px 36pt; text-align: left;"> <font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &#160;&#160; <br>
      </font></div>
    <div style="text-align: justify; margin-left: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">Before me on this 26th day of January, 2018, personally appeared Mark A. McCollum and acknowledged to me that he executed
        the foregoing for the purposes therein expressed.</font></div>
    <div><br>
    </div>
    <div><br>
    </div>
    <div><br>
    </div>
    <div style="text-align: left; text-indent: 252pt; margin-left: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;"><u>MARY M. MURRELL</u></font></font></div>
    <div style="text-align: left; text-indent: 252pt; margin-left: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">Notary Public, State of Texas</font></div>
    <div><br>
    </div>
    <div style="text-align: left; margin-left: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">My Commission Expires:</font></div>
    <div><br>
    </div>
    <div><br>
    </div>
    <div style="text-align: left; margin-left: 36pt;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;"><font style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;"><u>June 9, 2018</u></font></font></div>
  </div>
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</DOCUMENT>
</SEC-DOCUMENT>
