Westlake Chemical's Quarterly and Special Dividend Record Date Amended to November 29, 2012

  Westlake Chemical's Quarterly and Special Dividend Record Date Amended to
                              November 29, 2012

PR Newswire

HOUSTON, Nov. 19, 2012

HOUSTON, Nov. 19, 2012 /PRNewswire/ -- Westlake Chemical Corporation's
(NYSE:WLK) recently declared regular quarterly dividend of 18.75 cents per
share and a special dividend of $3.75 per share will both be payable on
December 12, 2012, to stockholders of record on November 29, 2012. Note: This
record date has been amended from the November 26, 2012 date announced earlier
this morning in a company press release.

Westlake Chemical Corporation (WLK)

Westlake Chemical Corporation is a manufacturer and supplier of
petrochemicals, polymers and building products with headquarters in Houston,
Texas. The company's range of products includes: ethylene, polyethylene,
styrene, propylene, caustic, VCM, PVC resin and PVC building products
including PVC pipe, windows and fence. For more information, visit the
company's Web site at http://www.westlake.com.

SOURCE Westlake Chemical Corporation

Website: http://www.westlake.com
Contact: Media Relations, David R. Hansen, +1-713-960-9111, or Investor
Relations, Steve Bender, +1-713-960-9111
 
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