Westlake Chemical's Geismar Vinyls Complex Back in Operation Following Rita; Lake Charles Complex Awaits Restoration of Full Electrical Power

HOUSTON, Sept. 30 /PRNewswire-FirstCall/ -- Westlake Chemical Corporation (NYSE: WLK) announced today that it has re-started its Geismar, Louisiana vinyls complex following the shut down necessitated by Hurricane Rita. The company's VCM (vinyl chloride monomer) and PVC (polyvinyl chloride) units