Westlake Chemical Declares Quarterly Dividend of 5.75 Cents per Share

HOUSTON, May 24, 2010 /PRNewswire via COMTEX/ --The board of directors of Westlake Chemical Corporation (NYSE: WLK) declared on Friday a dividend of 5.75 cents per share, payable on June 17, 2010, to stockholders of record on June 3, 2010.

This is the 23rd 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