(1)
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execute for and on behalf of the undersigned, in the undersigned’s capacity as an officer and/or director of Westlake Chemical
Corporation (the “Company”), 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’s ownership, acquisition, or disposition of securities of the Company;
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(2)
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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
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(3)
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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’s discretion.
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/s/ Johnathan Zoeller
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JOHNATHAN S. ZOELLER
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STATE OF TEXAS |
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§
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COUNTY OF HARRIS |
§
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/s/ Marion Davis
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Notary Public, State of Texas
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