2006

Date Title
12/01/2006 Westlake Chemical Closes Purchase of Eastman's Polyethylene Business
11/10/2006 Westlake Chemical Declares Quarterly Dividend of 4 Cents per Share
11/02/2006 Westlake Chemical Reports Strong Third Quarter Results
10/27/2006 Westlake Chemical's Petro II Ethylene Unit Back in Production
10/19/2006 Third Quarter 2006 Westlake Chemical Corporation Earnings Conference Call
10/10/2006 Westlake Chemical Acquires Eastman's Polyethylene Business; Includes 200-Mile Ethylene Pipeline
10/04/2006 Westlake Chemical Resolves Dispute With Royal Group, Enters Into New Agreement With Georgia Gulf
09/12/2006 Westlake Chemical Celebrates 20th Anniversary
09/11/2006 Westlake Chemical Encounters Unscheduled Shutdown of Petro II Ethylene Unit in Lake Charles
08/21/2006 Westlake Chemical Declares Increased Quarterly Dividend of 4 Cents Per Share
08/03/2006 Westlake Chemical Reports Strong Second Quarter Results
07/18/2006 Second Quarter 2006 Westlake Chemical Corporation Earnings Conference Call
07/06/2006 Westlake Appoints Condon as Senior VP for Planning & Business Development
06/26/2006 Westlake Chemical Elects Bill Barnett to Board
05/15/2006 Westlake Chemical Reelects Directors, Declares Quarterly Dividend of 2.75 Cents per Share
05/05/2006 Westlake Chemical Reports First Quarter Results
04/27/2006 Westlake Chemical Announces Pricing of Secondary Stock Offering for Controlling Stockholder
04/20/2006 Westlake Chemical Announces Secondary Offering of Common Stock By Controlling Stockholder
04/18/2006 Westlake Chemical and The Republic of Trinidad and Tobago Announce Memorandum of Understanding; Development of an Ethane-Based Ethylene, Polyethylene and Other Ethylene-Derivatives Project
04/18/2006 First Quarter 2006 Westlake Chemical Corporation Earnings Conference Call
03/23/2006 Westlake Appoints Gibbons as Senior Vice President and CFO
02/21/2006 Westlake Chemical Reports Fourth Quarter Results
02/17/2006 Westlake Chemical Declares Quarterly Dividend of 2.75 Cents Per Share
02/01/2006 Fourth Quarter 2005 Westlake Chemical Corporation Earnings Conference Call
01/13/2006 Westlake Chemical Issues New Notes, Redeems Old Notes
01/09/2006 Westlake Chemical to Refinance Debt