Board of Directors

Executive Chairman of the Board, was previously the non-executive Chairman of the Board from July 2015 until March 2018 and President and Chief Executive Officer of the Company from July 2009 until his retirement in July 2015. Mr. Carter was temporarily appointed to the position of Executive Chairman in March 2018 to serve through the end of 2018, or earlier, if agreed to by the Company and Mr. Carter. He is a 1975 graduate of Lamar University with a Bachelor of Business Administration in Accounting. He worked at the Sabine River Authority of Texas as a Project Accountant from 1973 to 1975. From 1975 to 1977 he was a Staff Accountant with Wathen, DeShong and Company, CPA's. From 1977 until 2015 Mr. Carter had been employed by the Company in a succession of positions with increasing and broader operating responsibilities, as follows; 1977 to 1979, Controller of SHR; 1979 to 1982, Facility Manager at a ship dock and terminal facility owned by TOCCO; 1982 to 1987, Treasurer of TOCCO; 1987 to 2013, President of SHR; and 2007 to 2009, Executive Vice President of the Company. This succession of positions with the Company gave Mr. Carter broad experience and knowledge in operations, finances and strategy of the Company. Mr. Carter serves as a Director and President of PEVM of which the Company owns 55% of the outstanding stock. Mr. Carter was appointed to the Board of AMAK in February 2009. We believe that his experience with the Company provides a wealth of knowledge to our Board.

Mr. Quarles served as Executive Vice President and President, Acetyl Chain and Integrated Supply Chain at Celanese Corporation from 2015 to 2017. Prior to joining Celanese Corporation, Mr. Quarles held a variety of leadership positions at LyondellBasell Industries N.V., before serving as Senior Vice President of the Intermediates and Derivatives ("I&D") segment and the supply chain and procurement functions from January 2015 to June 2015. This time included serving as a member of LyondellBasell's Management Board from 2014 to 2015, Senior Vice President - I&D from 2009 to 2014, Senior Vice President Propylene Oxide and Derivatives from 2008 to 2009 and Vice President of Performance Chemicals from 2004 to 2008. Mr. Quarles began his career in 1990 at ARCO Chemical/Union Carbide, where he held various positions in sales, marketing and business management. Mr. Quarles earned a Bachelor of Science in Mechanical Engineering from Clemson University and an MBA from the Kellogg School of Management at Northwestern University.

Mr. Palm is a graduate of LaSalle University with a Bachelor of Arts and has a Master of Business Administration from Xavier University. Mr. Palm has over 40 years of experience in the petrochemical industry. From 1967-1995 Mr. Palm served Rohm and Haas Company in varying positions including Market Manager, Business Development Manager, Product Safety Manager, and Market Development Analyst. He was awarded the "Golden C Award" by the Commercial Development Association in 1992. From 1997-2010 he served INEOS Oligomers as Business Development Manager and Marketing Manager. He was awarded the BP Breakthrough Award in 2000 for his work to bring new products to the marketplace. Mr. Palm retired from INEOS Oligomers in 2010. We believe that his knowledge and experience provide valuable resources to our Board.

Mr. Adams holds a Bachelor of Science in Industrial Management from the University of Arkansas and has over 40 years of experience in the petrochemical and plastics industries. He started his chemical industry career with Union Carbide and after 15 years serving in a number of positions at Union Carbide, Mr. Adams joined Chemical Market Associates Inc. ("CMAI"). He began at CMAI as the director of the Monomers Market Advisory Service and progressed to President, CEO and Chairman of the Board from 1997 until its acquisition by IHS in 2011. Mr. Adams served as the Chief Advisor - Chemicals for IHS Market until April 1, 2017. Mr. Adams is a director of Phillips 66 and previously served on the boards of Westlake Chemical Partners LP and Phillips 66 Partners LP from 2013 to 2016. We believe that his knowledge of the global chemical market provides a critical resource to our Board.

Ms. Twitchell holds a Bachelor of Arts in Economics from Wellesley College and a Master of Business Administration from Harvard University. She has over 35 years of experience in financial management, including financings and capital structures, mergers and acquisitions, investor relations, accounting matters and enterprise risk management. Ms. Twitchell serves on the public company boards of KMG Chemicals, Inc. and Kraton Corporation. From 2010 until her retirement in 2013, Ms. Twitchell served as the Executive Vice President and Chief Financial Officer of Landmark Aviation, where she was responsible for all financial and strategic planning functions. Previously she was Vice President and Treasurer of LyondellBasell Industries and Lyondell Chemical Company from 2001 to 2009. Prior to that she was Vice President and Treasurer of Kaiser Aluminum Corporation and Southdown, Inc., and she began her career as an investment banker with Credit Suisse First Boston. Ms. Twitchell brings important experience to the Board in accounting matters, financings and capital structure, merger and acquisition transactions, investor relations and enterprise risk management.

Ms. Butcher holds a Bachelor Degree in Agronomy and a Master of Science Degree from Purdue University. In addition, she is a graduate of the Northwestern University Marketing Executive Program and has participated in the Prince of Wales Sustainability Conference and the Asian Master Class on Asian Business. Ms. Butcher was the CEO, President and Chief Operating Officer of Pilot Chemical Corp. from January 2010 through July 2016, when she retired. In November 2017, she was asked by the Pilot Board to return as CEO and President. Previously, she worked 29 years for The Dow Chemical Company where she held a variety of executive leadership positions including Business Vice President of Specialty Chemicals, Vice President of Corporate Marketing & Sales and Vice President and General Manager of Adhesives and Sealants. She was a distinguished recipient of Dow's Genesis Award for people excellence, which is Dow's highest recognition for people leadership. She currently serves as a director on the boards of Pilot Chemical Corp. and Gruden Topco Holdings. Previously, she also served on the board of trustees for the Chemical Educational Foundation, as a member of the US Bank Regional Advisory Board, on the Board of the American Cleaning Institute and the Ohio Manufacturers' Association. Her broad knowledge of the chemical industry provides a valuable resource to our Board.