HOUSTON, Oct. 27 /PRNewswire-FirstCall/ -- Westlake Chemical Corporation (NYSE: WLK) will release its 2004 third quarter earnings prior to the market opening on Wednesday, November 3, 2004.

The company will host a conference call at 11:00 a.m. Eastern Time (10 a.m. Central Time) on the same day to discuss the earnings release.

To access the conference call, dial (800) 901-5247, or (617) 786-4501 for international callers, approximately 10 minutes prior to the scheduled start time and reference passcode 43414193.

The conference call will also be available via webcast at http://phx.corporate-ir.net/phoenix.zhtml?c=180248&p=irol-calendar and the earnings release can be obtained via the company's Web page at, http://www.westlakechemical.com/news.html .

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
10/27/2004
CONTACT: media relations, David R. Hansen, or investor relations, Graham McArthur, +1-713-960-9111, both of Westlake Chemical Corporation
Web site: http://www.westlakechemical.com
http://www.westlakechemical.com/news.html
http://phx.corporate-ir.net/phoenix.zhtml?c=180248&p=irol-calendar
(WLK)