Westlake Chemical Begins Ethylene Capacity Expansion Project in Lake Charles, LA

Westlake Chemical Begins Ethylene Capacity Expansion Project in Lake Charles,

PR Newswire

HOUSTON, Jan. 10, 2013

HOUSTON, Jan. 10, 2013 /PRNewswire/ --Westlake Chemical Corporation's (NYSE:
WLK) previously announced expansion of the Petro 2 ethylene unit at its
complex in Lake Charles, LA has begun. This expansion will be completed in
conjunction with a planned maintenance turnaround and will increase
ethane-based ethylene capacity by approximately 230 - 240 million pounds
annually in support of the Company's ethylene integration strategy. The unit
is expected to be down approximately 60 days for the work to be completed.

Westlake Chemical Corporation is a manufacturer and supplier of
petrochemicals, polymers and building 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 www.westlake.com.

Westlake Chemical Corporation (WLK)

The statements in this release relating to the expansion of capacity, as well
as any other matters that are not historical facts, are forward-looking
statements that are subject to risks and uncertainties. Actual results could
differ materially. For more detailed information about factors that could
cause actual results to differ materially, please refer to Westlake's Annual
Report on Form 10-K for the year ended December 31, 2011, which was filed in
February 2012.

SOURCE Westlake Chemical Corporation

Website: http://www.westlake.com
Contact: Media Relations, David R. Hansen, +1-713-960-9111, or Investor
Relations, Steve Bender, +1-713-960-9111
Press spacebar to pause and continue. Press esc to stop.