Westlake Chemical Corp.

Mr. Chao has been our President since May 1996 and a director since June 2003. Mr. Chao has over 30 years of international experience in the chemical industry. In 1985, Mr. Chao assisted his father T.T. Chao and his brother James Chao in founding us, where he served as Executive Vice President until he succeeded James as President. He has held positions in the Controller’s Group of Mobil Oil Corporation, in the Technical Department of Hercules Incorporated, in the Plastics Group of Gulf Oil Corporation and has served as Assistant to the Chairman of China General Plastics Group and Deputy Managing Director of a plastics fabrication business in Singapore. He is also a director of Titan Chemicals Corp. Bhd. Mr. Chao received a bachelor’s degree from Brandeis University and an M.B.A. from Columbia University. Mr. Chao is a trustee emeritus of Rice University.

Mr. Mangieri has been our Vice President and Chief Accounting Officer since February 2007. From April 2000 to February 2007, he was Vice President and Controller. Prior to joining us, Mr. Mangieri served as Vice President and Controller of Zurn Industries, Inc. from 1998 to 2000. He previously was employed as Vice President and Controller for Imo Industries, Inc. in New Jersey, and spent over 10 years in public accounting with Ernst & Young LLP, where he served as Senior Manager. He received his Bachelor of Science degree from Monmouth College and is a Certified Public Accountant.

Mr. Bender was promoted to Senior Vice President, Chief Financial Officer and Treasurer in February 2008. From February 2007 to February 2008, Mr. Bender served as our Vice President, Chief Financial Officer and Treasurer and from June 2005 to February 2007, he served as our Vice President and Treasurer. From June 2002 until June 2005, Mr. Bender served as Vice President and Treasurer of KBR, Inc., and from 1996 to 2002 he held the position of Assistant Treasurer for Halliburton Company. Prior to that, he held various financial positions within that company. Additionally, he was employed by Texas Eastern Corporation for over a decade in a variety of increasingly responsible audit, finance and treasury positions. Mr. Bender received a Bachelor of Business Administration from Texas A&M University and an M.B.A. from Southern Methodist University. Mr. Bender is also a Certified Public Accountant.

Mr. Hansen has been our Senior Vice President, Administration, since September 1999 and served as Vice President, Human Resources from 1993 to 1999. From August 2003 until July 2004 he was also our Secretary. Prior to joining us in 1990, Mr. Hansen served as Director of Human Resources & Administration for Agrico Chemical Company and held various human resources and administrative management positions within the Williams Companies. He has 30 years of administrative management experience in the oil, gas, energy, chemicals, pipeline, plastics and computer industries. He received his Bachelor of Science degree in Social Science from the University of Utah and has completed extensive graduate work toward an M.S. in Human Resources Management.

Mr. Morse has been a Senior Vice President since 1994 and was named Senior Vice President, Vinyls and Manufacturing in January 2003. In July 2004, he was named Senior Vice President, Vinyls. Mr. Morse joined us in 1990 after 23 years of service with Goodrich Corporation. He held the position of Vice President and General Manager of BFG Intermediates Division, which had ethylene, chlor-alkali and EDC/VCM operations. Since joining us, Mr. Morse has had broad executive responsibility for all chemical operations and is the senior manufacturing executive of our company. Mr. Morse earned a B.S. degree in Chemical Engineering from the University of Louisville.

Mr. Taylor was promoted to Senior Vice President, Polyethylene in April 2008. From January 2003 to April 2008, Mr. Taylor served as our Vice President, Polyethylene. Mr. Taylor joined us in March 2002 as Manager, Polyethylene Marketing. Mr. Taylor joined us after a 25-year career with Chevron Phillips Chemical Company where he served as the Vice President, Polyethylene, Americas from 2000 to 2001 and Marketing Manager—Polyethylene from 1999 to 2000. During his career, he has held a variety of sales, marketing, operations and general management assignments. He is a graduate of the University of Delaware with a B.S. in Business Administration and a B.A. in Mathematics.

Mr. Wallace joined us in December 2003 as our Vice President and General Counsel and was elected Secretary in July 2004. He began his legal career over 20 years ago at the law firm of Baker Botts L.L.P., which he left as a partner in 1993. He subsequently held senior corporate legal positions with Transworld Oil U.S.A., Inc. (1993-1996; 2002-2003), Oman Oil Company Ltd. (1996-1997), and Enron Global Exploration & Production Inc. and its affiliates (1997-2002). Mr. Wallace holds a B.A. from Rice University and a Ph.D. from Cornell University in linguistics, and received his J.D. from the University of Houston.

Mr. Condon was appointed Senior Vice President, Olefins and Corporate Business Development in July 2008. From July 2006 to July 2008, Mr. Condon was our Senior Vice President, Corporate Planning and Business Development. Prior to joining us, Mr. Condon served as the Managing Director of Titan Chemicals Corp. Bhd. from July 2003 to June 2006 and President & General Manager of Conoco Energy Ventures from 1998 until July 2003. He previously was employed by Conoco and Dupont in a variety of management and executive positions. Mr. Condon holds a B.B.A. from the University of Wisconsin.

Ms. Jenkins has been a director since June 2003. Ms. Jenkins is a director of A-Group Holdings, an affiliate of ours. For the past five years, Ms. Jenkins has managed her personal investments. She is also a member of the boards of various civic and charitable organizations including Polk Museum of Art and the John and Mable Ringling Museum of Art Foundation, Inc. Ms. Jenkins is the sister of James Chao and Albert Chao. She is a graduate of Wellesley College and holds a B.S. in Mathematics with additional graduate studies in mathematics at the University of South Florida.