Westlake Chemical Declares Quarterly Dividend of 2.125 Cents Per Share, Sets Annual Stockholders' Meeting

HOUSTON, Feb. 21 /PRNewswire-FirstCall/ -- The board of directors of Westlake Chemical Corporation (NYSE: WLK) declared today a dividend of 2.125 cents per share, payable on March 14, 2005, to shareholders of record on March 3, 2005.

This is the second quarterly dividend that Westlake has declared since completing its initial public offering in August 2004.

Also, Westlake's board fixed May 19, 2005 as the date for the company's annual meeting of stockholders. The record date for the annual meeting will be March 31, 2005.

Westlake 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, vinyl intermediates, PVC and PVC pipe, windows and fence. For more information, visit the company's Web site at http://www.westlakechemical.com .

SOURCE Westlake Chemical Corporation
-0- 02/21/2005
/CONTACT: David R. Hansen, Media Relations, or Ruth I. Dreessen, Investor
Relations, both of Westlake Chemical Corporation, +1-713-960-9111/
/Web site: http://www.westlakechemical.com /