HOUSTON, May 21 /PRNewswire-FirstCall/ -- The stockholders of Westlake Chemical Corporation (NYSE: WLK) on Friday reelected E. William Barnett, Robert T. Blakely, and Albert Chao as directors.

Also on Friday the company's board of directors declared a dividend of 4 cents per share, payable on June 15, 2007, to stockholders of record on June 1, 2007.

This is the 11th 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
    -0-                             05/21/2007
    /CONTACT:  David R. Hansen, Media Relations, or Steve Bender, Investor
Relations, both of Westlake Chemical Corporation, +1-713-960-9111/
    /Web site:  http://www.westlakechemical.com /
    (WLK)

CO:  Westlake Chemical Corporation
ST:  Texas
IN:  CHM
SU:  PER DIV

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