HOUSTON, Feb. 17, 2012 /PRNewswire/ --The board of directors of Westlake Chemical Corporation (NYSE: WLK) declared today a dividend of 7.375 cents per share, payable on March 21, 2012, to stockholders of record on March 7, 2012.

This is the 30th successive quarterly dividend that Westlake has declared since completing its initial public offering in August 2004.

Westlake Chemical Corporation (WLK)

Westlake Chemical Corporation is an international 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, including career opportunities, 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