Westlake Chemical Corporation Fourth Quarter 2011 Earnings Conference Call
HOUSTON --(BUSINESS WIRE)--Feb. 6, 2012-- Westlake Chemical Corporation (NYSE:WLK) will release its 2011 fourth quarter earnings prior to the market opening on Tuesday, February 21, 2012 . The company will host a conference call at 11:00 a.m. Eastern time ( 10:00 a.m.