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

Media Relations, David R. Hansen, +1-713-960-9111, or Investor Relations, Steve Bender, +1-713-960-9111