Webcast Alert: Westlake's President & CEO, Albert Chao, and Senior Vice President and CFO, Ruth Dreessen, to Address CSFB 2004 Chemical Conferences

HOUSTON, Sept. 23 /PRNewswire-FirstCall/ -- Albert Chao, President & CEO, and Ruth Dreessen, Senior Vice President and CFO, of Westlake Chemical Corporation (NYSE: WLK), will address investors at the following two events: Investors Conference: CSFB 2004 Leveraged Finance Chemical Conference in New