Second Quarter 2008 Westlake Chemical Corporation Earnings Conference Call

HOUSTON, July 22 /PRNewswire-FirstCall/ -- Westlake Chemical Corporation (NYSE: WLK) will release its 2008 second quarter earnings prior to the market opening on Tuesday, August 5, 2008. 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 (800) 659-2056, or (617) 614-2714 for international callers, approximately 10 minutes prior to the scheduled start time and reference passcode 82398295.

The conference call will also be available via webcast at 903600 (Due to length of URL, please cut and paste 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 August 12, 2008. 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 52344617.

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 .

    Investor Contact
    Steve Bender, 713-960-9111

    Media Contact
    David Hansen, 713-960-9111

SOURCE Westlake Chemical Corporation
/CONTACT: Investor Contact: Steve Bender, +1-713-960-9111,, Media Contact: David Hansen, +1-713-960-9111,, both of Westlake Chemical Corporation/ /Web site: / (WLK)