Third Quarter 2007 Westlake Chemical Corporation Earnings Conference Call

HOUSTON, Oct. 18 /PRNewswire-FirstCall/ -- Westlake Chemical Corporation (NYSE: WLK) will release its 2007 third quarter earnings prior to the market opening on Thursday, November 1, 2007. The company will host a conference call at 11:00 a.m. Eastern Time (10:00 a.m. Central Time) on the same day to discuss the earnings release.

To access the conference call, dial (866) 510-0705, or (617) 597-5363 for international callers, approximately 10 minutes prior to the scheduled start time and reference passcode 25602148.

The conference call will also be available via webcast at eventDetails&c=180248&eventID=1671338 (please copy and paste URL into browser) and the earnings release can be obtained via the company's Web page at,

This call will be available for replay beginning an hour after the call has ended, and may be accessed until 1:00 p.m. Eastern Time on November 8, 2007. The replay can be accessed by calling the following numbers: Domestic callers should dial 1-888-286-8010 and international callers may access the replay at 617-801-6888. The access code at both numbers is 84394151.

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

SOURCE Westlake Chemical Corporation
-0- 10/18/2007
/CONTACT: Investors, Steve Bender, +1-713-960-9111,;
or Media, David Hansen, +1-713-960-9111,, both for
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