Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - WESTLAKE CHEMICAL CORPFinancial_Report.xls
10-Q - FORM 10-Q - WESTLAKE CHEMICAL CORPd10q.htm
EX-31.1 - 302 CERTIFICATION OF CEO - WESTLAKE CHEMICAL CORPdex311.htm
EX-31.2 - 302 CERTIFICATION FOR CFO - WESTLAKE CHEMICAL CORPdex312.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 June 30, 2011 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 and Chief Financial Officer 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: August 3, 2011

 

/S/ ALBERT CHAO

  Albert Chao
  President and Chief Executive Officer
  (Principal Executive Officer)

Date: August 3, 2011

 

/S/ M. STEVEN BENDER

  M. Steven Bender
  Senior Vice President and Chief Financial Officer
  (Principal Financial Officer)