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
http://phx.corporateir.net/phoenix.zhtml?p=iroleventDetails&c=180248&eventID=1
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,
http://www.westlake.com/fw/main/IR_Home_Page-123.html.
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 http://www.westlake.com .
Investor Contact
Steve Bender, 713-960-9111
sbender@westlake.com

Media Contact
David Hansen, 713-960-9111
dhansen@westlake.com

SOURCE Westlake Chemical Corporation

Investor Contact: Steve Bender, +1-713-960-9111, sbender@westlake.com, Media
Contact: David Hansen, +1-713-960-9111, dhansen@westlake.com, both of Westlake
Chemical Corporation