HOUSTON, Feb. 18 /PRNewswire-FirstCall/ -- Westlake Chemical Corporation (NYSE: WLK) announced today the promotion of Mr. Steven Bender, 51, currently the company's Vice President, Chief Financial Officer & Treasurer, to the position of Senior Vice President, Chief Financial Officer & Treasurer.

Mr. Bender has been with Westlake Chemical Corporation since 2005 and has over 29 years of audit, treasury and financial management experience. Prior to joining Westlake he was the Treasurer of Kellogg Brown and Root, a subsidiary of Halliburton.

Mr. Bender is a CPA and holds a B. S. in Business Administration from Texas A & M University and an M.B.A from Southern Methodist University.

Albert Chao, President and CEO, stated, "We are pleased to have Steve's strong financial background and knowledge of our company and the chemical industry as we continue to grow and work to provide value to our shareholders."

Westlake Chemical Corporation is a vertically integrated international manufacturer and supplier of petrochemicals, polymers and fabricated products with headquarters in Houston, Texas. The company's range of products includes ethylene, polyethylene, styrene, EDC, VCM, PVC and PVC pipe and PVC windows, fence and decking components. More information about the company may be found at http://www.westlake.com .

The statements in this release relating to matters that are not historical facts are forward-looking statements that are subject to risks and uncertainties. Actual results could differ materially, based on factors including, but not limited to: the cyclical nature of the chemical industry; availability, cost and volatility of raw materials and utilities; governmental regulatory actions and political unrest; global economic conditions; industry production capacity and operating rates; the supply/demand balance for Westlake's products; competitive products and pricing pressures; access to capital markets; technological developments; and other risk factors. For more detailed information about the factors that could cause actual results to differ materially, please refer to Westlake's Annual Report on Form 10-K for the year ended December 31, 2006, which was filed in February 2007.

SOURCE  Westlake Chemical Corporation
    -0-                             02/18/2008
    /CONTACT:  media, D. R. Hansen, or investor relations, Steven 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
SU:  PER

CW-RA
-- LAM046 --
6906 02/18/2008 16:33 EST http://www.prnewswire.com