Second Quarter 2009 Westlake Chemical Corporation Earnings Conference Call
HOUSTON , July 14 /PRNewswire-FirstCall/ -- Westlake Chemical Corporation (NYSE: WLK) will release its 2009 second quarter earnings prior to the market opening on Tuesday, August 4, 2009 . The company will host a conference call at 11:00 a.m. Eastern Time ( 10:00 a.m.