HOUSTON, Nov. 23 /PRNewswire-FirstCall/ -- The board of directors of Westlake Chemical Corporation (NYSE: WLK) declared on Friday a dividend of 5.75 cents per share, payable on December 17, 2009, to stockholders of record on December 3, 2009.

This is the 21st 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 www.westlake.com.

SOURCE Westlake Chemical Corporation

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