HOUSTON, Feb 14, 2005 /PRNewswire-FirstCall via COMTEX/ -- Michael N. Powell, Vice President and General Manager of Westlake Chemical Corporation's (NYSE: WLK) PVC pipe business, North American Pipe Corporation, will address the Polyvinyl Chloride Industry at the UBS Grass Roots Chemical Conference on Wednesday, February 16, 2005 at 11:30 a.m. C.S.T. in New Orleans, Louisiana.

This presentation may be accessed as follows:
Web Cast: Live audio-only webcasting (including replays) of
Mr. Powell's presentation can be accessed at
http://event.streamx.us/event/default.asp?event=ubs20050215
Presentation: Mr. Powell's presentation may also be accessed at
http://phx.corporate-ir.net/phoenix.zhtml?c=180248&p=irol-presentations

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, vinyl intermediates, PVC and PVC pipe, windows and fence. The Company's Web page may be accessed at http://www.westlakechemical.com .

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release regarding Westlake Chemical Corp.'s business which are not historical facts are "forward-looking statements" that involve risks and uncertainties. For a discussion of such risks and uncertainties, which could cause actual results to differ from those contained in the forward-looking statements, see "Risk Factors" in the Company's Annual Report on Form 10-K for the most recently ended fiscal year.

SOURCE Westlake Chemical Corporation

media relations, David R. Hansen, or investor relations, Ruth I. Dreessen, both of Westlake Chemical Corporation, +1-713-960-9111