HOUSTON, Nov. 19 /PRNewswire-FirstCall/ -- The board of directors of Westlake Chemical Corporation (NYSE: WLK) declared on Friday a dividend of 5 cents per share, payable on December 13, 2007, to stockholders of record on November 29, 2007.

This is the 13th 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-                             11/19/2007
    /CONTACT:  Media, David R. Hansen, or Investors, Steve Bender, both of
Westlake Chemical Corporation, +1-713-960-9111/
    /Web site:  http://www.westlake.com /
    (WLK)

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

DW-JR
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2748 11/19/2007 06:00 EST http://www.prnewswire.com