Westlake Chemical Reelects Directors, Declares Quarterly Dividend of 5 Cents per Share

HOUSTON, May 20 /PRNewswire-FirstCall/ -- At their annual meeting held yesterday, the stockholders of Westlake Chemical Corporation (NYSE: WLK) reelected Dorothy C. Jenkins and Max L. Lukens as directors, to serve until 2011.

At its meeting yesterday the company's board of directors declared a dividend of 5 cents per share, payable on June 13, 2008, to stockholders of record on May 30, 2008.

This is the 15th successive quarterly dividend that Westlake has declared since completing its initial public offering in August 2004.

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

SOURCE Westlake Chemical Corporation

CONTACT: Media Relations, David R. Hansen, or Investor Relations, Steve Bender, both of Westlake Chemical Corporation, +1-713-960-9111