HOUSTON, Feb. 26 /PRNewswire-FirstCall/ -- The board of directors of Westlake Chemical Corporation (NYSE: WLK) on Friday declared a dividend of 4 cents per share, payable on March 20, 2007, to stockholders of record on March 5, 2007.

This is the tenth 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.westlakechemical.com .

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