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EX-99.1 - EXHIBIT 99.1 - WESTLAKE CHEMICAL CORPexhibit991_20150930.htm
EX-31.2 - EXHIBIT 31.2 - WESTLAKE CHEMICAL CORPexhibit312_20150930.htm
EX-31.1 - EXHIBIT 31.1 - WESTLAKE CHEMICAL CORPexhibit311_20150930.htm
10-Q - 10-Q - WESTLAKE CHEMICAL CORPa2015093010q.htm


Exhibit 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Quarterly Report of Westlake Chemical Corporation (the "Company") on Form 10-Q for the fiscal quarter ended September 30, 2015 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Albert Chao, President and Chief Executive Officer of the Company, and I, M. Steven Bender, Senior Vice President, Chief Financial Officer and Treasurer of the Company, certify, to the best of our knowledge, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:
(1)
The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)
The information contained in the Report fairly presents, in all material aspects, the financial condition and results of operations of the Company.

Date:
November 4, 2015
 
 
 
 
 
/S/    ALBERT CHAO        
 
 
 
 
 
 
 
Albert Chao
 
 
 
 
 
 
 
President and Chief Executive Officer
(Principal Executive Officer)
 
 
 
 
 
Date:
November 4, 2015
 
 
 
 
 
/S/    M. STEVEN BENDER        
 
 
 
 
 
 
 
M. Steven Bender
 
 
 
 
 
 
 
Senior Vice President, Chief Financial Officer
and Treasurer
(Principal Financial Officer)