INFORMATION OF DIRECTORS OF MAJOR SUBSIDIARIES OF THE CORE BUSINESSES Cement-Building Materials Business The Board of Directors SCG Building Materials Company Limited

Mr. Roongrote Rangsiyopash Age 57 years

Position • Director the Thai Economy E2 Competitive Education/Training Workforce • MBA, Harvard Business School, U.S.A • Since 2016 Council Member, World Business • M.S. (Industrial Engineering), University of Texas at Council for Sustainable Development Arlington, U.S.A. • Since 2016 Member, Asia Business Council • B.E. (Mining), University • Since 2016 Committee, Engineer Division of the Expertise Anandamahidol Foundation • Core Business or Industry of SCG • Since 2016 Director, SCG Foundation • Other Large Businesses or Industries • Since 2017 Member, Sub-committee Government • Global and Regional Organization Management Administration System Development • Economics and Investment for Driving toward 4.0, Office of the • Policy Setting and Strategic Planning (Global Vision) Prime Minister • Foreign Affairs • Since 2017 Advisory Director on Industrial and • Crisis Management Organizational Phycology, Political • Marketing System Development Committee • Domestic or International Marketing (Market Insight) • Since 2017 Executive Director, The Debsirin School • Accounting / Financial Literacy Parents-Teacher Association • Finance • Since 2018 Member, Public School Educational • Human Capital Management Innovation Administration • Environmental, Social & Governance or “ESG” Development Committee Director Training (1) to support Driving Educational • Directors Accreditation Program (DAP) 2004, Reform towards 4.0 Policy Thai Institute of Directors Association • Since 2018 Director, Mrigadayavan Palace Board Member/Management of Other Listed Foundation Under the royal patronage Companies on The Stock Exchange of Thailand of HRH Princess Bejaratana Rajasuda • Since 2015 Director and President & CEO, Sirisobhabannavadi The Siam Cement Public • Since 2018 Member, Sub-committee on the Company Limited Promotion of Social Sector Position in Other Company/Organization/Institution Collaboration, Prince Chakri Award (20) Foundation • Since 2015 Member of Fund-Raising Committee • Since 2018 Honorary Advisor, The Federation of for Navamindrapobitr 84th Thai Industries Anniversary Building • Since 2019 the Executive Board on Driving Faculty of Medicine Siriraj Hospital, Reformation toward Higher Education, Science, Research and Innovation • Since 2015 Advisory, The Association National • Since 2020 Member, Sub-committee Government Defence College of Thailand under the Administration System Development Royal Patronage of His Majesty the King for Driving toward the future • Since 2015 Advisory Director, the National Science • Since 2020 Member, Sub-committee Evaluate the and Technology Development Board achievement of operations for • Since 2016 Director, Digital Economy and Society development, National Science and Preparation Committee Technology Development Agency • Since 2016 Head of Private Sectors, Joint Public- • Since 2020 National Reform Committee No.13: Private-People Steering Committee Culture, Sports, Labor and Human (People’s State) under the Public- Resource Development, Private Steering Committee for Driving Ministry of Tourism and Sports

028 Other Position in SCG • 2013 – 2014 Chairman of Risk Management • Chairman of non-listed companies under SCG totaling Sub-committee, Government Pension 7 companies Fund (GPF) 5-year Past Experiences and/or Remarkable Positions • 2013 – 2015 Executive Director, • 2011 – 2015 Chairman of the Board of Directors Giga Impact Initiative Board, and Executive Committee, National Science and Technology Thai British Security Printing Public Development Agency (NSTDA) Company Limited • 2015 Executive Vice President, The Siam • 2011 – 2015 Chairman, Thai Cane Paper Public Cement Public Company Limited Company Limited • 2017 – 2018 Committee, Steering Committee on • 2011 – 2015 President, SCG Paper Public the Reforming Support for THAILAND Company Limited 4.0 Policy (currently named as SCG Packaging • 2017 – 2019 Advisory, Chulalongkorn University Public Company Limited) Alumni Association • 2012 – 2015 Director, Thai Plastic and Chemicals • 2018 – 2019 Advisory, Chulalongkorn University Public Company Limited Engineering Alumni • 2013 – 2014 Expert Member, Government Pension Family Relationship among Directors and Executives Fund (GPF) Board of Directors (None)

Mr. Thammasak Sethaudom Age 51 years

Position • Director Board Member/Management of Other Listed Education/Training Companies on The Stock Exchange of Thailand (1) • Master of Business Administration, London Business • Since 2018 SCG Packaging Public Company School, United Kingdom (Distinction) Limited • Bachelor of Engineering, Electrical Engineering, Position in Other Company/Organization/Institution Chulalongkorn University (3) • Management Development Program, The Wharton • Since 2018 Commissioner, PT Chandra Asri School, The University of Pennsylvania, U.S.A. Petrochemical Tbk, Indonesia* • Executive Development Program, Columbia University, • Since 2019 Committee, Thai Listed Companies U.S.A. Association • Change Management, GE • Since 2020 Project Director of Central Bank • Total Quality Management for Executive, JUSE, Japan Digital Currency • Marketing for Management, Kellogg School, U.S.A. Remark: *Listed in the Stock Exchange of Indonesia • Certificate for General Bidding Committee, Other Positions in SCG Bidding Law, MPI, Vietnam • Chairman and director of SCG’s subsidiaries, associates • Leadership Coaching, APM Group and other companies which are non-listed as assigned • Innovation Management Program, Dupont, U.S.A. by the company • Orientation Course – CFO Focus on Financial Reporting 5-year Past Experiences and/or Remarkable Positions Class 3/2018 • 2000 – 2004 eCommerce and eBusiness Manager, • Advanced Management Program (AMP) Harvard Chemicals Business Business School, U.S.A. • 2004 – 2010 Business Development and Corporate Director Training (2) Planning Director, Chemicals Business • Directors Accreditation Program (DAP) 159/2019, • 2008 – 2012 Deputy General Director, Long Son Thai Institute of Directors Association Petrochemicals Company Limited • Directors Certification Program (DCP) 298/2020, • 2012 – 2018 General Director, Long Son Thai Institute of Directors Association Petrochemicals Company Limited Family Relationship among Directors and Executives (None)

029 Mr. Yuttana Jiamtragan Age 57 years

Position • Director 5-year Past Experiences and/or Remarkable Positions Education/Training • 2008 – 2015 Managing Director, SCG Performance • Master of Business Administration, Chemicals Company Limited Assumption University • 2010 – 2013 Managing Director, SCG Polyolefin • Bachelor of Sciences (Chemistry), Company Limited Chulalongkorn University • 2011 – 2015 Business Group Head: Compound & • Advanced Management Program (AMP), Formulation, Chemicals Business Harvard Business School, U.S.A. • 2012 – 2016 Director, The Federation of Director Training (1) Thai Industries • Director Accreditation Program (DAP), • 2012 – 2016 Honorary Chairman, Plastic Industry 149/2018 Thai Institute of Directors Association Club, The Federation of Thai Industries Board Member/Management of Other Listed • 2012 – 2016 Advisor, Thailand Institute of Companies on The Stock Exchange of Thailand Packaging and Recycling Management (None) for Sustainable Environment (TIPMSE), Positions in Other Company/Organization/Institution The Federal of Thai Industries (5) • 2015 - 2019 Advisor, Thai Bioplastics Industry • Since 2015 Advisor, Foundation for the Promotion Association of Science and Technology Under the • 2016 - 2018 Member of the NSTDA Chair Professor Patronage of His Majesty the King Joint Committee, NSTDA Chair • Since 2016 Member of the Advisory Committee, Professor Grants Center of Excellence on Environmental • 2017 - 2019 Member of the Establishing Health and Toxicology Committee, the Research and Training • Since 2016 Director, SCG Foundation Center for Supporting Industry • Since 2020 Director, Royal Symphony 4.0, King Mongkut’s University of Orchestra Foundation Technology North Bangkok • Since 2020 Director, Suan Luang Rama 9 • 2017 - 2019 Committee, Thai Listed Companies Foundation Association Other Positions in SCG Family Relationship among Directors and Executives • Chairman and director of SCG’s subsidiaries, associates (None) and other companies which are non-listed as assigned by the company

Mr. Nithi Patarachoke Age 57 years

Position • Director Board Member/Management of Other Listed Education/Training Companies on The Stock Exchange of Thailand (3) • MBA (Finance and Operations Management), • Since 2012 Director, Siam Global House Public University of Chicago, U.S.A. Company Limited • Bachelor of Engineering, Industrial Engineering, • Since 2018 Chairman of the Board of Directors, Chulalongkorn University Chairman of the Executive Committee • Advanced Management Program (AMP), and Member of the Nomination, Harvard Business School, U.S.A. Remuneration and Corporate Director Training (1) Governance Committee, SCG Ceramics • Directors Accreditation Program (DAP) 140/2017, Public Company Limited Thai Institute of Directors Association

030 • Since 2019 Chairman of the Board of Directors • 2013 – 2017 Vice President-Domestic Market, and Chairman of the Executive SCG Cement-Building Materials Committee, Quality Construction • 2014 – 2018 Director, Asia Cement Public Products Public Company Limited Company Limited Position in Other Company/Organization/Institution • 2016 – 2018 Vice Chairman, The Federation of (3) Thai Industries • Since 2013 Vice Chairman, Thailand Management • 2017 – 2018 Vice President-Building Products and Association Distribution Business, Cement-Building • Since 2020 Director, Thai-Lao Friendship Materials Business Association • 2017 – 2019 Commissioner, PT Kokoh Inti Arebama • S i n c e 2019 Director, SCG F o u n d a t i o n Tbk, Indonesia* Other Positions in SCG • 2018 – 2020 Director, The Federation of Thai • Chairman and director of SCG’s subsidiaries, associates Industries and other companies which are non-listed as assigned • 2019 – 2020 President Commissioner, PT KERAMIKA by the company INDONESIA ASSOSIASI, Tbk.* 5-year Past Experiences and/or Remarkable Positions • 2019 – 2020 President Commissioner, • 2005 – 2010 Corporate Planning Director, The Siam PT KOKOH INTI AREBAMA Tbk.* Cement Public Company Limited Remark: *Listed in the Stock Exchange of Indonesia • 2010 – 2013 Managing Director, SCG Logistics Family Relationship among Directors and Executives Management Company Limited (None)

Mr. Chana Poomee Age 55 years

Position • Director • Since 2020 Chairman of Thai Cement Education/Training Manufacturers Association • Honorary Degree, Doctor of Engineering (Industrial • Since 2020 Director, The Federation of Thai Engineering), King Mongkut’s University of Technology Industries North Bangkok Other Positions in SCG • Master of Public Health, Sukhothai Thammathirat • Chairman and director of SCG’s subsidiaries, associates Open University and other companies which are non-listed as assigned • Bachelor of Engineering, Electrical Engineering, by the company King Mongkut’s University of Technology North 5-year Past Experiences and/or Remarkable Positions Bangkok • 2005 – 2007 Managing Director, • Advanced Management Program (AMP), Kampot Cement Co., Ltd. Harvard Business School, U.S.A. • 2008 – 2010 Supply Chain Director, Director Training (2) SCG Cement Co., Ltd. • Directors Accreditation Program (DAP) 136/2017, • 2008 – 2010 Managing Director, Thai Institute of Directors Association SCI Eco Services Co., Ltd. • Director Certification Program (DCP) 261/2018, • 2010 – 2013 Energy Director, Thai Institute of Directors Association SCG Cement-Building Materials Board Member/Management of Other Listed • 2013 – 2015 Country Director-Myanmar, Companies on The Stock Exchange of Thailand (1) SCG Cement-Building Materials • Since 2019 Directors, Executive Committee, and • 2013 – 2015 Managing Director, ECO Plant Services the Nomination, Remuneration and Company Limited Corporate Governance Committee, • 2013 – 2014 Managing Director, Quality Construction Products Public Mawlamyine Cement Limited Company Limited • 2014 – 2016 Managing Director, Myanmar CBM Position in Other Company/Organization/Institution Services Company Limited (3) - 2015 – 2017 Vice President-Operations, • Since 2018 Director, Asia Cement Public SCG Cement-Building Materials Company Limited Family Relationship among Directors and Executives (None)

031 Mr. Paramate Nisagornsen Age 53 years

Position • Director Other Positions in SCG Education/Training • Chairman and director of SCG’s subsidiaries, associates • M.S. Operational Management & Finance, and other companies which are non-listed as assigned Massachusetts Institute of Technology, U.S.A. by the company • Bachelor of Engineering, Electrical Engineering, 5-year Past Experiences and/or Remarkable Positions King Mongkut’s University of Technology North • 2007 – 2011 Managing Director, Nawa Plastic Bangkok Industries Company Limited • Advanced Management Program (AMP) • 2011 – 2012 Business Group Head of Fabricated Harvard Business School, U.S.A. Products, SCG Chemicals Director Training (1) Company Limited • Director Certification Program (DCP) 258/2018, • 2012 – 2016 Operations Vice President Director, PT. Thai Institute of Directors Association Chandra Asri Petrochemicals Tbk. Board Member/Management of Other Listed Indonesia* Companies on The Stock Exchange of Thailand (1) • 2016 – 2017 Managing Director, Bangkok • Since 2018 Director, Siam Global House Public Synthetics Company Limited Company Limited Remark: *Listed in the Stock Exchange of Indonesia Position in Other Company/Organization/Institution Family Relationship among Directors and Executives (None) (None)

Mr. Suracha Udomsak Age 52 years

Position • Director • Since 2019 Director, Licensing Executives Society Education/Training (Thailand) • PhD. In Chemical Engineering, Texas A&W University • Since 2020 Director, The Federation of • Bachelor of Engineering, Chemical Engineering, Thai Industries Chulalongkorn University Other Positions in SCG • Advanced Management Program (AMP) Harvard • Chairman and director of SCG’s subsidiaries, associates Business School, U.S.A and other companies which are non-listed as assigned Director Training by the company (None) 5-year Past Experiences and/or Remarkable Positions Board Member/Management of Other Listed • 2004 Deputy Managing Director, Grand Siam Companies on The Stock Exchange of Thailand Composites Co., Ltd. (None) • 2007 Managing Director, Positions in Other Company/Organization/Institution Thai Polyethylene Co., Ltd. (6) • 2013 - 2017 Research and Development Director, • Since 2018 Director, Center of Excellence on Business Group Head - Technology Petrochemical and Material, SCG Chemicals Co., Ltd. Chulalongkorn University • 2018 - 2019 Research and Development Director, • Since 2018 Advisor, Japan Advanced Institute of Emerging Business Director, Science and Technology SCG Chemicals Co., Ltd. • Since 2018 Representative of Thai-UK Business Family Relationship among Directors and Executives Leadership Council (None) • Since 2018 Advisor, The Petroleum and Petrochemical College, Chulalongkorn University

032 Chemicals Business The Board of Directors SCG Chemicals Company Limited

Mr. Roongrote Rangsiyopash Age 57 years

Position • Director • Since 2016 Head of Private Sectors, Education/Training Joint Public-Private-People Steering • MBA, Harvard Business School, U.S.A Committee (People’s State) under the • M.S. (Industrial Engineering), University of Texas at Public-Private Steering Committee for Arlington, U.S.A. Driving the Thai Economy E2 • B.E. (Mining), Chulalongkorn University Competitive Workforce Expertise • Since 2016 Council Member, World Business • Core Business or Industry of SCG Council for Sustainable Development • Other Large Businesses or Industries • Since 2016 Member, Asia Business Council • Global and Regional Organization Management • Since 2016 Committee, Engineer Division of the • Economics and Investment Anandamahidol Foundation • Policy Setting and Strategic Planning (Global Vision) • Since 2016 Director, SCG Foundation • Foreign Affairs • Since 2017 Member, Sub-committee Government • Crisis Management Administration System Development • Marketing for Driving toward 4.0, Office of the • Domestic or International Marketing (Market Insight) Prime Minister • Accounting / Financial Literacy • Since 2017 Advisory Director on Industrial and • Finance Organizational Phycology, • Human Capital Management Political System Development • Environmental, Social & Governance or “ESG” Committee Director Training (1) • Since 2017 Executive Director, The Debsirin School • Directors Accreditation Program (DAP) 2004, Parents-Teacher Association Thai Institute of Directors Association • Since 2018 Member, Public School Educational Board Member/Management of Other Listed Innovation Administration Companies on The Stock Exchange of Thailand Development Committee • Since 2015 Director and President & CEO, to support Driving Educational Reform The Siam Cement Public towards Thailand 4.0 Policy Company Limited • Since 2018 Director, Mrigadayavan Palace Position in Other Company/Organization/Institution Foundation Under the royal patronage (20) of HRH Princess Bejaratana Rajasuda • Since 2015 Member of Fund-Raising Committee Sirisobhabannavadi for Navamindrapobitr 84th • Since 2018 Member, Sub-committee on the Anniversary Building Promotion of Social Sector Faculty of Medicine Siriraj Hospital, Collaboration, Prince Chakri Award Mahidol University Foundation • Since 2015 Advisory, The Association National • Since 2018 Honorary Advisor, The Federation of Defence College of Thailand under the Thai Industries Royal Patronage of His Majesty the King • Since 2019 the Executive Board on Driving • Since 2015 Advisory Director, the National Science Reformation toward Higher Education, and Technology Development Board Science, Research and Innovation • Since 2016 Director, Digital Economy and Society • Since 2020 Member, Sub-committee Government Preparation Committee Administration System Development for Driving toward the future

033 • Since 2020 Member, Sub-committee Evaluate • 2012 – 2015 Director, Thai Plastic and Chemicals the achievement of operations for Public Company Limited development, National Science and • 2013 – 2014 Expert Member, Government Pension Technology Development Agency Fund (GPF) Board of Directors • Since 2020 National Reform Committee No.13: • 2013 – 2014 Chairman of Risk Management Culture, Sports, Labor and Human Sub-committee, Government Pension Resource Development, Fund (GPF) Ministry of Tourism and Sports • 2013 – 2015 Executive Director, Giga Impact Other Position in SCG Initiative Board, National Science and • Chairman of non-listed companies under SCG totaling Technology 7 companies Development Agency (NSTDA) 5-year Past Experiences and/or Remarkable Positions • 2015 Executive Vice President, The Siam • 2011 – 2015 Chairman of the Board of Directors Cement Public Company Limited and Executive Committee, • 2017 – 2018 Committee, Steering Committee on Thai British Security Printing Public the Reforming Support for THAILAND Company Limited 4.0 Policy • 2011 – 2015 Chairman, Thai Cane Paper Public • 2017 – 2019 Advisory, Chulalongkorn University Company Limited Alumni Association • 2011 – 2015 President, SCG Paper Public • 2018 – 2019 Advisory, Chulalongkorn University Company Limited Engineering Alumni (currently named as SCG Packaging Family Relationship among Directors and Executives Public Company Limited) (None)

Mr. Thammasak Sethaudom Age 51 years

Position • Director Director Training (2) Education/Training • Directors Accreditation Program (DAP) 159/2019, • Master of Business Administration, London Business Thai Institute of Directors Association School, United Kingdom (Distinction) • Directors Certification Program (DCP) 298/2020, • Bachelor of Engineering, Electrical Engineering, Thai Institute of Directors Association Chulalongkorn University Board Member/Management of Other Listed • Management Development Program, The Wharton Companies on The Stock Exchange of Thailand (1) School, The University of Pennsylvania, U.S.A. • Since 2018 SCG Packaging Public Company • Executive Development Program, Columbia University, Limited U.S.A. Position in Other Company/Organization/Institution • Change Management, GE (3) • Total Quality Management for Executive, JUSE, Japan • Since 2018 Commissioner, PT Chandra Asri • Marketing for Management, Kellogg School, U.S.A. Petrochemical Tbk, Indonesia* • Certificate for General Bidding Committee, • Since 2019 Committee, Thai Listed Companies Bidding Law, MPI, Vietnam Association • Leadership Coaching, APM Group • Since 2020 Project Director of Central Bank • Innovation Management Program, Dupont, U.S.A. Digital Currency • Orientation Course – CFO Focus on Financial Remark: *Listed in the Stock Exchange of Indonesia Reporting Class 3/2018 Other Positions in SCG • Advanced Management Program (AMP) Harvard • Chairman and director of SCG’s subsidiaries, associates Business School, U.S.A. and other companies which are non-listed as assigned by the company

034 5-year Past Experiences and/or Remarkable Positions • 2012 – 2018 General Director, Long Son • 2000 – 2004 eCommerce and eBusiness Manager, Petrochemicals Company Limited Chemicals Business Family Relationship among Directors and Executives • 2004 – 2010 Business Development and Corporate (None) Planning Director, Chemicals Business • 2008 – 2012 Deputy General Director, Long Son Petrochemicals Company Limited

Mr. Tanawong Areeratchakul Age 57 years

Position • Director • Since 2020 Chairman of PTIT Refining and Education/Training Petrochemical Standing Committee, • Bachelor of Engineering, Electrical Engineering, Petroleum Institute of Thailand King Mongkut’s Institute of Technology Thonburi Remark: *Listed in the Stock Exchange of Indonesia • Advanced Management Program (AMP), Other Positions in SCG Harvard Business School, U.S.A. • Chairman and director of SCG’s subsidiaries, associates Director Training (1) and other companies which are non-listed as assigned • Director Accreditation Program (DAP) 149/2018, by the company Thai Institute of Directors Association 5-year Past Experiences and/ or Remarkable Positions Board Member/Management of Other Listed • 2007 – 2010 Managing Director, Rayong Olefins Companies on The Stock Exchange of Thailand (1) Company Limited • Since 2015 SCG Packaging Public Company • 2008 – 2012 General Director, Long Son Limited Petrochemicals Company Limited Position in Other Company/Organization/Institution • 2012 – 2015 Vice President-Corporate (5) Administration, SCG • Since 2019 President Commissioner, PT Fajar • 2014 – 2018 Executive Director, the Electronic Surya Wisesa Tbk.* Transactions Development Agency • Since 2019 Commissioner, PT Chandra Asri (Public Organization) or ETDA Petrochemical Tbk.* • 2015 – 2017 Committee, Thai Listed Companies • Since 2017 Director, SCG Foundation Association • Since 2018 Subcommittee, Royal Project • 2015 – 2019 President, SCG Packaging Public Foundation Company Limited Family Relationship among Directors and Executives (None)

035 Mr. Sakchai Patiparnpreechavud Age 53 years

Position • Director Other Positions in SCG Education/Training • Chairman and director of SCG’s subsidiaries, associates • Master of Business Administration, and other companies which are non-listed as assigned Kasetsart University by the company • Bachelor of Engineering, Chemical Engineering, 5-year Past Experiences and/or Remarkable Positions Chulalongkorn University • 2005 – 2009 Managing Director, • Advanced Management Program (AMP) Mehr Petrochemical Company, Iran Harvard Business School, U.S.A • 2009 – 2017 Managing Director, Director Training (1) SCG Plastics Company Limited • Director Accreditation Program (DAP) 148/2018, • 2015 – 2019 Member of the Committee, Thai Institute of Directors Association Plastics Institute of Thailand Board Member/Management of Other Listed Family Relationship among Directors and Executives Companies on The Stock Exchange of Thailand (None) (None) Positions in Other Company/Organization/Institution (2) • Since 2019 Advisor, Board of Trade of Thailand • Since 2020 Representative of Chulalongkorn University Engineering Alumni

Mr. Mongkol Hengrojanasophon Age 52 years

Position • Director • Since 2018 Vice Chairman, The Institute of Education/Training Industrial Energy, The Federation of • Bachelor of Engineering, Chemical Engineering, Thai Industries Khon Kaen University • Since 2020 Director, The Federation of • Advanced Management Program (AMP) Thai Industries Harvard Business School, U.S.A Other Positions in SCG Director Training (1) • Chairman and director of SCG’s subsidiaries, associates • Director Certification Program (DCP), 263/2018 and other companies which are non-listed as assigned Thai Institute of Directors Association by the company Board Member/Management of Other Listed 5-year Past Experiences and/or Remarkable Positions Companies on The Stock Exchange of Thailand • 2010 – 2013 Production Division Manager, (None) Map Ta Phut Olefins Company Limited Position in Other Company/Organization/Institution • 2013 – 2018 Managing Director, (3) Map Ta Phut Olefins Company Limited • Since 2017 Vice Chairman of Social and Image • 2015 – 2017 Olefins Leader, Task Force, Petrochemical SCG Chemicals Company Limited Industry Club, The Federation of Family Relationship among Directors and Executives Thai Industries (None)

036 Packaging Business The Board of Directors SCG Packaging Public Company Limited

Mr. Prasarn Trairatvorakul Age 68 years Director qualified as an Independent Director (From August 26, 2019)

Position • Chairman • Ethical Leadership Program (ELP) 2/2015, • Independent Director Thai Institute of Directors Association Date of Appointment as a Director • Board Nomination and Compensation Program (BNCP) • June 21, 2019 5/2018, Thai Institute of Directors Association Education/Training • IT Governance and Cyber Resilience Program (ITG) • Doctor of Business Administration, 15/2020, Thai Institute of Directors Association Harvard University, Massachusetts, USA Board Member/Management of Other Listed • Master in Business Administration, Harvard University, Companies on The Stock Exchange of Thailand (3) Massachusetts, USA • Since 2019 Chairman, Central Retail Corporation • Master of Engineering in Industrial Engineering and Public Company Limited Management, Asian Institute of Technology, Thailand • Since 2019 Chairman, Pruksa Holding Public • Bachelor of Engineering in Electrical Engineering Company Limited (First Class Honors), Chulalongkorn University (Director qualified as an Independent • Honorary Doctor of Philosophy, National Institute of Director effective from 2016) Development Administration • Since 2017 Independent Director and Chairman • Honorary Doctor of Economics, of Remuneration Committee, The Siam Chulalongkorn University Cement Public Company Limited • Honorary Doctor of Economics, (Director qualified as an Independent The University of the Thai Chamber of Commerce Director effective from August 26, 2019) • Honorary Doctor of Economics, Khon Kaen University Position in Other Company/Organization/Institution • Honorary Doctor of Business Administration, (13) Rajamangala University of Technology Suvarnabhumi • Since 2019 Chairman of the Board, Knowledge / Skills / Expertise Mihidol Witayanusorn • Businesses in the Company’s Supply Chains and • Since 2018 Chairman, Education Equity Fund Consumer Markets • Since 2018 Director, Siam Sindhorn Co., Ltd. • Other Large Businesses or Industries • Since 2018 Director, CPB Equity Company Limited • Financial Statements Reviewing • Since 2018 Director, Prince of Songkla University • Vision, Mission and Policy Setting and • Since 2018 Distinguished Scholar, Faculty of Strategic Planning for Large Organizations Commerce and Accountancy, • International or Regional Business Administration and Chulalongkorn University Cultural Difference Management • Since 2017 Member, Asset Management • Innovation and Sustainable Organization Management Committee of Vajiravudh College • Corporate Governance, Large Organization • Since 2017 Member, Committee on King’s Management and Human Resource Management Scholarships for Thai Buddhist Monks • Risk Management and Crisis Management • Since 2017 Chairman of the Council of Trustees • Economics, Accounting and Finance and the Board of Directors, • Business Laws and Investment Thailand Development Research • Application of Technology in Industries and Business Institute (TDRI) Sectors • Since 2016 Senior Advisor, CENTRAL Group Director Training (5) • Since 2016 Member, Property Management • The Role of the Chairman Program (RCP) 2/2001, Committee, Chulalongkorn University Thai Institute of Directors Association • Since 2015 Advisor, Crown Property Bureau • Director Certification Program (DCP) 21/2002, • Since 1998 Director, Thai Red Cross Society Thai Institute of Directors Association

037 5-year Past Experiences and/or Remarkable Positions • 2010 – 2015 Governor, The Bank of Thailand • 2017 – 2019 Chairman, • 2004 – 2010 President, KASIKORNBANK Economic Reform Committee Public Company Limited • 2017 – 2019 Director, Education Reform Committee • 1999 – 2003 Secretary-General, The Securities • 2017 – 2019 Chairman, and Exchange Commission, Thailand Public Procurement Committee Shareholdings (Ordinary Shares) (as at December 31, • 2015 – 2019 Director, 2020) National Anti-Corruption Commission • Held personally: (None) • 2015 – 2019 Director, Committee to Enhance • Held by Spouse or minor children: (None) Competitiveness of the Nation Family Relationship among Directors and Executives • 2014 – 2019 Director, (None) State Enterprise Supervisory Board

Mr. Cholanat Yanaranop Age 61 years

Positions • Vice Chairman Director Training • Member of the Remuneration Committee • Directors Accreditation Program (DAP) 39/2005, Date of Appointment as a Director Thai Institute of Directors Association • June 1, 2019 • Role of the Chairman Program (RCP) 38/2016, Education / Training Thai Institute of Directors Association • Master of Chemical Engineering, Board Member/Management of other Listed Company Imperial College, University of London, UK in Thailand (1) • Bachelor of Environmental Chemical Engineering, • Since 2020 Director and Member of the (Second Class Honours), Salford University, Remuneration Committee, The Siam Manchester, UK Cement Public Company Limited • Advanced Management Program (AMP), Position in other Company/Organization/Institution Harvard Business School, USA (7) • Inno-Leadership Program, INSEAD • Since 2020 Director, SCG Foundation • Top Executives Program, Class 16, • Since 2016 Director, Capital Market Academy Siam Bioscience Company Limited • Top Executives Program, Class 5, • Since 2016 Director, Apexcela Company Limited Thailand Energy Academy • Since 2016 Advisor The Committee of Chemical Knowledge / Skills / Expertise and Petrochemical Engineering, • Core Business of the Company and Businesses in the - Institute of Thailand Company’s Supply Chains Under H.M. The King’s Patronage • Other Large Businesses or Industries • Since 2009 Advisor, Thai Institute of Chemical • Vision, Mission and Policy Setting and Strategic Engineering and Applied Chemistry Planning for Large Organizations • Since 2008 Authorized Representative at the • International or Regional Business Administration and Members Council, Long Son Cultural Difference Management Petrochemicals Company • Innovation and Sustainable Organization Management Limited, Vietnam • Corporate Governance, Large Organization • Since 2006 Director, Petroleum Institute of Management and Human Resource Management Thailand • Risk Management and Crisis Management 5-year Past Experiences and/or Remarkable Positions • Marketing, Accounting and Finance • 2018 – 2019 Chairman of the Members Council, • Application of Technology in Industries and Long Son Petrochemicals Business Sectors Company Limited, Vietnam • Total Quality Management (TQM) • 2018 – 2020 Director, SENFI Swiss GmbH, Switzerland • 2017 – 2020 Director, SENFI UK Limited, UK

038 • 2017 – 2019 Executive Vice President, The Siam • 2007 – 2019 President, Chemicals Business, SCC Cement Public Company limited • 2007 – 2008 President, The Thai Institute of • 2015 – 2016 Vice President, Chemical Engineering and Applied Community Partnerships Association Chemistry • 2014 – 2020 Director, SENFI Norway AS (Formerly • 2006 – 2020 Director, named Norner Holding AS), Norway Bangkok Synthetics Company Limited • 2014 – 2016 Senior Vice President, The Siam • 2006 – 2020 Director, Cement Public Company Limited BST Elastomers Company Limited • 2013 – 2015 President, Community Partnerships • 2005 – 2010 Director, Association PTT Chemical Public Company Limited • 2012 – 2019 Chairman, Thai Plastic and Chemicals Shareholdings (Ordinary Shares) (as at December 31, Public Company Limited 2020) • 2011 – 2019 Commissioner, PT Chandra Asri • Held personally: 2,607 shares (0.0001%) Petrochemical Tbk, Indonesia* • Held by spouse or minor children: (None) • 2008 – 2019 Authorized Representative at the Family Relationship among Directors and Executives Members Council, Long Son (None) Petrochemicals Company Limited, Remark: *Listed in the Stock Exchange of Indonesia Vietnam

Mr. Chumpol Na Lamlieng Age 73 years Director qualified as an Independent Director (From June 21, 2019)

Positions • Independent Director Board Member/Management of other Listed Company • Chairman of the Remuneration Committee in Thailand (1) Date of Appointment as a Director • Since 2020 Vice Chairman, Independent Director • June 21, 2019 and Chairman of the Governance Education / Training and Nomination Committee, The Siam • MBA, Harvard Business School, USA Cement Public Company Limited • B.S. Mechanical Engineering, University of Washington, Position in other Company / Organization / Institution USA (3) Knowledge / Skills / Expertise • Since 2017 Director, CPB Equity Company Limited • Core Business of the Company and Businesses in the • Since 2012 Director, Company’s Supply Chains and Consumer Markets Kempin Siam Company Limited • Vision, Mission and Policy Setting and Strategic • Since 2010 Director, Planning for Large Organizations Siam Sindhorn Company Limited • International or Regional Business Administration and 5-year Past Experiences and/or Remarkable Positions Cultural Difference Management • 2012 – 2017 Director, Kempinski International SA • Innovation and Sustainable Organization Management • 2007 – 2016 Director, The Siam Commercial Bank • Corporate Governance, Large Organization Public Company Limited Management and Human Resource Management • 2005 – 2009 Director, British Airways Public • Risk Management and Crisis Management Company Limited • Accounting and Finance • 2004 – 2011 Chairman and Director, Singapore • Business Laws and Investment Telecommunication Company Limited, • Application of Technology in Industries and Business Singapore Sectors • 1993 – 2005 President, The Siam Cement Public Director Training Company Limited • Role of the Chairman Program (RCP) 2/2001, • 1992 – 2005 Chairman, The Siam Pulp and Paper Thai Institute of Directors Association Company Limited (presently SCG Packaging Public Company Limited)

039 Shareholdings (Ordinary Shares) (as at December 31, Family Relationship among Directors and Executives 2020) (None) • Held personally: 28,329 shares (0.0007%) • Held by spouse or minor children: (None)

Mrs. Kaisri Nuengsigkapian Age 59 years Director qualified as an Independent Director (From June 1, 2019)

Positions • Independent Director Board Member/Management of other Listed Company • Chairman of the Audit Committee in Thailand (1) Date of Appointment as a Director • Since 2016 Chairman of the Board of Directors • June 1, 2019 and Chairman of Executive Committee, Education / Training Mc Group Public Company Limited • Master of Business Administration, Position in other Company / Organization / Institution (6) • Bachelor of Accounting, Thammasat University • Since 2020 Independent Director, Indorama • Certified Public Accountant Ventures Public Company Limited Knowledge / Skills / Expertise • Since 2019 Chairman, Buono (Thailand) • Financial Statements Reviewing Company Limited • Vision, Mission and Policy Setting and Strategic • Since 2018 Directors, Thai Institute of Directors Planning for Large Organizations • Since 2016 Member of Corporate Governance • International or Regional Business Administration Committee, Bank of Thailand and Cultural Difference Management • Since 2016 Director and Treasurer, • Corporate Governance, Large Organization Rakkaew Foundation Management and Human Resource Management • Since 2016 Director, TOP T 2015 Company Limited • Risk Management and Crisis Management 5-year Past Experiences and / or Remarkable Positions • Consumer Markets, Accounting and Finance • 2018 - 2019 Independent Director and Member Director Training of the Audit Committee, SCG Ceramics • Director Certification Program (DCP), Class 0/2000, Public Company Limited Thai Institute of Directors Association • 2016 - 2017 Advisor, Securities and Exchange • Role of the Chairman Program (RCP), Class 30/2013, Commission, Thailand Thai Institute of Directors Association • 2010 - 2014 Director, The Stock Exchange of • Role of the Compensation Committee Program (RCC), Thailand Class 16/2013 Thai Institute of Directors Association • 2003 - 2015 President, KPMG Phoomchai • Advance Audit Committee Program (AACP), Holdings Company Limited Class 36/2020, Thai Institute of Directors Association Shareholdings (Ordinary Shares) (as at December 31, • Director Leadership Certification Program 0/2020, 2020) Thai Institute of Directors Association • Held personally: (None) • Held by Spouse or minor children (None) Family Relationship among Directors and Executives (None)

040 Mr. Chalee Chantanayingyong Age 64 years Director qualified as an Independent Director (From June 21, 2019)

Positions • Independent Director • Facilitator for Director Accreditation Program (DAP) • Chairman of the Corporate Governance and Audit Committee Program (ACP), and Nomination Committee Thai Institute of Directors Association • Member of the Audit Committee Board Member/Management of other Listed Company Date of Appointment as a Director • June 21, 2019 in Thailand Education / Training (None) • Master in Business Administration (Finance), Position in other Company / Organization / Institution Texas A&M University, USA (5) • Bachelor of Business Administration (Money and Banking), Thammasat University • Since 2019 Chairman, Disciplinary Sub-Committee, • Top Executive Program, Class 5, Thailand Clearing House Capital Market Academy Company Limited • Top Executive Program in Commerce and Trade • Since 2019 Chairman, Appealing Committee, (TEPCoT), Class 5, Commerce Academy, Thailand Futures Exchange Public University of the Thai Chamber of Commerce • Advance Senior Executive Program (ASEP) (2006) Company Limited SASIN GRADUATE Institute of Business Administration • Since 2019 Member, Appealing Committee, of Chulalongkorn University in collaboration with The Stock Exchange of Thailand Kellogg School of management, • Since 2018 Member, Education Equity Fund Northwestern University, Chicago. IL, USA • Since 2013 Member, the Anti-Corruption Knowledge / Skills / Expertise • Corporate Governance, Large Organization Organization of Thailand Management and Human Resource Management 5-year Past Experiences and/or Remarkable Positions • Vision, Mission and Policy Setting and Strategic • 2017 – 2020 Member, Financial Institutions Policy Planning Committee, The Bank of Thailand • Risk Management and Crisis Management • 2017 – 2018 Chairman, Audit Committee, • Business Laws and Investment including Rules, The Bank of Thailand Regulations and Practices related to Capital • 2015 – 2018 Member, Corporate Governance Market and Financial Institutions Committee, The Bank of Thailand • Financial Statements Reviewing • 2015 – 2018 Director, The Bank of Thailand Director Training • 2009 – 2015 Deputy Secretary-General, • Director Certification Program (DCP) (7/2001), The Securities and Exchange Thai Institute of Directors Association Commission, Thailand Shareholdings (Ordinary Shares) (as at December 31, • Anti-corruption for Executive Program (ACEP) (8/2013), 2020) Thai Institute of Directors Association • Held personally: (None) • Advanced Audit Committee Program (AACP) (38/2020), • Held by spouse or minor children: (None) Thai Institute of Directors Association Family Relationship among Directors and Executives • Risk Management Program for Corporate Leaders (RCL) (None) (21/2020), Thai Institute of Directors Association • Boards that Make a Difference (BMD) (10/2020), Thai Institute of Directors Association

041 Mrs. Pongpen Ruengvirayudh Age 65 years Director qualified as an Independent Director (From June 21, 2019)

Positions • Independent Director • Since 2017 Chairman, Supervisory Board of The • Member of the Audit Committee ABF Thailand Bond Index Fund Date of Appointment as a Director (ABFTH), The Bank of Thailand • June 21, 2019 • Since 2016 Member, Investment Management Education / Training Sub-Committee, Social Security Fund • Master of Business Administration (Finance), 5-year Past Experiences and/or Remarkable Positions Katholieke University, Belgium • 2018 - 2020 Member, Risk Management • Master of Accounting Program (Accounting) Sub-Committee, Government Thammasat University Pension Fund • Bachelor of Accounting (Accounting), • 2018 Director, Board of Directors, Thammasat University Government Savings Bank • Advanced Management Program, • 2016 Chairman, Sukhumvit Asset Wharton School of Management, USA Management Company Limited • Top Executives Program, Class 3, • 2015 – 2016 Governor’s Advisor, Capital Market Academy The Bank of Thailand • Thammasat Leadership Program, Class 3, • 2013 – 2017 Member, The 19th National Wage Thammasat University Committee, Ministry of Labour • Programs related to International Portfolio • 2012 – 2015 Director, Board of Directors, Investment, Risk Management, Government Pension Fund Monetary Policy and Central Bank • 2012 – 2015 Director, Board of Directors, Knowledge / Skills / Expertise The Bank of Thailand • Financial Statements Reviewing Member, Monetary Policy Committee, • Vision, Mission and Policy Setting and Strategic The Bank of Thailand Planning for Large Organizations Member, Financial Institutions Policy • Corporate Governance, Large Organization Committee, The Bank of Thailand Management and Human Resource Management Deputy Governor, Monetary Stability, • Risk Management and Crisis Management The Bank of Thailand • Accounting and Finance • 2010 – 2011 Assistant Governor, Financial Markets • Investment Strategy Operations Group, The Bank of Thailand Director Training • 2009 – 2010 Senior Director, Risk Management • Director Certification Program (DCP) 262/2018, Policy Department, Financial Thai Institute of Directors Association Institutions Policy Group, Board Member/Management of other Listed Company The Bank of Thailand in Thailand • 2005 – 2009 Senior Director, Financial Markets and (None) Reserve Management Department, Position in other Company / Organization / Institution Financial Markets Operations Group, (5) The Bank of Thailand • Since 2019 Chairman, Sub-Committee on Shareholdings (Ordinary Shares) (as at December 31, Investment Seeking Benefits from 2020) Money and Assets Supervision, • Held personally: (None) Equitable Education Fund • Held by Spouse or minor children: (None) • Since 2019 Qualified member, Family Relationship among Directors and Executives Dhurakij Pundit University Council (None) • Since 2019 Associate Judge, Central Intellectual Property and International Trade Court

042 Professor Kitipong Urapeepatanapong Age 65 years Director qualified as an Independent Director (From August 21, 2019)

Positions • Independent Director Position in other Company / Organization / Institution • Member of the Corporate Governance (20) and Nomination Committee • Since 2020 Chairman, Date of Appointment as a Director Chotiwat Manufacturing Co., Ltd. • August 21, 2019 • Since 2020 Member of the Sub-Committee, Education / Training Office of Social Enterprise Promotion • LL.M., The University of British Columbia, Canada • Since 2020 Member of the Law Sub-Committee, • Master of Laws, Chulalongkorn University The Board of Investment of Thailand • Admitted as Thai Barrister-at-law • Since 2020 Advisor to the Board of Investment, • Bachelor of Laws (Second Class Honors), The Board of Investment of Thailand Chulalongkorn University • Since 2020 Member of the Corporate Governance • Honorary Doctorate Degree, Faculty of Law, Committee, Thai Institute of Directors Hatyai University Association • Top Executive Program in Commerce and Trade • Since 2020 Member of the Economics Situation (TEPCoT), Class 1, Commerce Academy, Administration Committee, Center for University of the Thai Chamber of Commerce COVID-19 Situation Administration • Senior Executives Program, Class 4, (CCSA) Capital Market Academy • Since 2019 Member of the Professional Expert • Director Executive Program, School of Management, of Steering Committee, Yale University, USA Office of the National Higher • Certificate of Completion on Company Directors, Education, Science, Research and Australian Institute of Company Directors, Australia Innovation Policy Council • Certificate Executive Program, J.L. Kellogg School of • Since 2019 Director, Management, Northwestern University, USA The Stock Exchange of Thailand Knowledge / Skills / Expertise • Since 2018 Director, Rachakarn Asset • Businesses in the Company’s Supply Chains Management Company Limited • International or Regional Business Administration and • Since 2018 Director, Cultural Difference Management Thai Institute of Directors Association • Corporate Governance, Large Organization • Since 2018 Honorary Member of the National Management and Human Resource Management Reform Commission (Legal and • Risk Management and Crisis Management member of the Critical Issues • Business Laws and Investment Committee) • Capital Market Law, Tax Law, Merger and Acquisition, • Since 2018 Member of the Professional Expert Restructuring and Family Business Committee, National Commission for Director Training Justice Administration Development • Role of the Chairman Program (RCP) 21/2009, • Since 2017 Chairman, Cheevamitr Social Thai Institute of Directors Association Enterprise Company Limited • Directors Certification Program (DCP) 0/2000, • Since 2017 Director, The Hub 99 Company Limited Thai Institute of Directors Association • Since 2017 Vice President, National Reform • IT Governance and Cyber Resilience Program (ITG) Committee on Legal 15/2020, Thai Institute of Directors Association • Since 2012 Chairman, Tax and Regulatory Board Member/Management of other Listed Company Commission, Thai Chamber of in Thailand (1) Commerce • Since 2019 Independent Director and Member of • Since 2009 Chairman, Baker & McKenzie the Enterprise Risk Management Company Limited Committee, • Since 1999 Director, Siam Piwat Retail Holding Pruksa Holding Public Company Limited Company Limited • Since 1999 Executive Director, Siampiwat Company Limited

043 • Since 1993 Director, Business Strategic Holding Shareholdings (Ordinary Shares) (as at December 31, Company Limited 2020) 5-year Past Experiences and/or Remarkable Positions • Held personally: (None) • 2014 – 2015 Member, National Reform Council • Held by spouse or minor children: (None) • 1999 Independent Director, Krung Thai Bank Family Relationship among Directors and Executives Public Company Limited (None)

Mr. Vanus Taepaisitphongse Age 61 years Director qualified as an Independent Director (From March 24, 2020)

Positions • Independent Director • Member of University Council, University of the • Member of the Remuneration Committee Thai Chamber of Commerce Date of Appointment as a Director • Honorary Board of Trustee of CMKL University • March 24, 2020 • Executive Committee Member, CMKL University Education / Training • Board Member of King Mongkut’s University of • Master of Business Administration, Technology Thonburi (KMUTT)’s University Council Santa Clara University, USA • Chairman of the University Promotion, • Bachelor of Economics, Chulalongkorn University King Mongkut’s University of Technology Thonburi • Honorary Doctor of Business Administration, • KX Board of Director member Prince of Songkla University • Governing Board Member, National Science and • Honorary Doctorate Degree in Business Technology Development Board Administration, Chulalongkorn University • Expert Committee, the National Food Committee • Honorary Doctoral Degree in Philosophy • Member of the Agricultural Technology and Innovation (Animal Production Technology), Management Institute Steering Committee Suranaree University of Technology • Advisor of National Commission on Science, Knowledge / Skills / Expertise Research and Innovation Promotion (CSRP) • Businesses in the Company’s Supply Chains and • Advisor of Research and Innovation Utilization Consumer Markets Promotion Committee, Thailand Science Research • Vision, Mission and Policy Setting and Strategic and Innovation (TSRI) Planning for Large Organizations • Research and Innovation Promotion Director, • Innovation and Sustainable Organization Management National Research Council of Thailand (NRCT) • Risk Management and Crisis Management • Director of the Board of Trade of Thailand • Economics and Investment • Honorary Advisory Committee on National Policy and • Foreign Affairs Strategy Framework for Higher Education and • Information Technology Manpower Development, Office of National Higher • Community Development Education Science Research and Innovation Policy Director Training Council (NXPO) • Director Certification Program (DCP) 70/2006, • Committee Member of High-Skilled Workforce Thai Institute of Directors Association Promotion and Development, Ministry of Higher Board Member/Management of other Listed Company Education, Science, Research and Innovation in Thailand • Committee Member of Innovation Development for (None) Partnership School Management, Office of Basic Position in other Company / Organization / Institution Education Commission (OBEC) (58) • Executive Board Member of Thailand International • Since 2018 Chairman of the Executive Board, Chamber of Commerce – (ICC Thailand) Betagro Public Company Limited • Committee Member of Public Engagement Committee • Directors of Companies in Betagro Group of Princess Maha Chakri Award Foundation (34 Companies) • Nomination of Director Member of the Chulalongkorn • Honorary Institute Councilor of King Mongkut’s University Alumni Association Under The Royal Institute of Technology Ladkrabang Patronage of His Majesty The King

044 • Advisor to the Board of Chulalongkorn University • 2014 – 2018 Honorary Member of the University Economics Association Council, Institute of Vocational • Chairman of The Saitarn Foundation Education in Agriculture • Chairman of Betagro Foundation Central Region 5-year Past Experiences and/or Remarkable Positions • 2013 – 2018 Chief Executive Officer, Betagro Group • 2018 – 2019 Member of the Working Committee • 2013 – 2016 Honorary Member of the University on Innovation Development for Council, Kasetsart University Partnership School Management, • 1987 – 2013 Managing Director, Betagro Group Office of Basic Education Commission Shareholdings (Ordinary Shares) (as at December 31, (OBEC) 2020) • 2017 – 2019 Working Group Member, Advisor to • Held personally: (None) Deputy Minister of Education (Clinical • Held by Spouse or minor children: (None) Professor Emeritus Udom Kachintorn, Family Relationship among Directors and Executives MD.) (None) • 2016 – 2019 Honorary Member of the University Council, Khon Kaen University

Mr. Vibul Tuangsitthisombat Age 55 years

Positions • Director • Corporate Governance, Large Organization • Member of the Corporate Governance and Management and Human Resource Management Nomination Committee • Risk Management and Crisis Management Date of Appointment as a Director • Economics and Investment • March 24, 2020 • Domestic and International Marketing Education / Training • Information Technology • Bachelor of Science (B.S.) in Management, Director Training Indiana State University, USA • Director Certification Program (DCP) 237/2017, • Master of Business Administration, Thai Institute of Directors Association Chulalongkorn University Board Member/Management of other Listed Company • Strategic Leaders Program: Vision, Strategy, in Thailand and Managing the Organization to Drive Results, (None) Michigan Ross Executive Education, University of Position in other Company / Organization / Institution Michigan, USA (22) • Advanced Human Resource Executive Program, • Since 2019 Advisor, The Thai Chamber of Commerce Michigan Ross Executive Education, University of • Since 2017 Director, Iconic International Co., Ltd. Michigan, USA • Since 2015 Director, Top T 2015 Co., Ltd. • Leading in a Disruptive world (LDW), Stanford Center • Since 2013 Director and Chief Executive Officer, for Professional Development, Stanford University, Nan Yang Textile Group (18 Companies) USA • Since 2001 Director, Paddy Holding Co., Ltd. • Breakthrough Program for Senior Executives, 5-year Past Experiences and/or Remarkable Positions IMD Business School, Switzerland • Holding positions in the subsidiaries of Nan Yang • Thailand National Defence College (Class 57) Textile Group • Capital Market Academy (Class 16) • Director The Association of Thai Textile Bleaching Knowledge / Skills / Expertise Dyeing Printing and Finishing Industries • Businesses in the Company’s Supply Chains and • Director Thai Garment Manufacturers Association Consumer Markets Shareholdings (Ordinary Shares) (as at December 31, • Vision, Mission and Policy Setting and Strategic 2020) Planning for Large Organizations • Held personally: (None) • International or Regional Business Administration and • Held by Spouse or minor children: 1,042 shares Cultural Difference Management (0.00002%) • Innovation and Sustainable Organization Management Family Relationship among Directors and Executives (None)

045 Mr. Tanawong Areeratchakul Age 57 years

Position • Director • Since 2019 Chairman, Norner AS, Norway Date of Appointment as a Director • Since 2019 President Commissioner, • March 23, 2015 PT Fajar Surya Wisesa Tbk., Indonesia* Education/Training • Since 2019 Commissioner, PT Chandra Asri • Bachelor of Engineering, Electrical Engineering, Petrochemical Tbk, Indonesia* King Mongkut’s Institute of Technology Thonburi • Since 2019 Chairman of the Members’ Council, • Advanced Management Program (AMP), Long Son Petrochemicals Co., Ltd., Harvard Business School, USA Vietnam Knowledge / Skills / Expertise • Since 2018 Sub-committee, Royal Project • Core Businesses of the Company and Businesses Foundation in the Company’s Supply Chains • Chairman and director of SCG’s subsidiaries, • Other Large Businesses or Industries associates, and other companies which are • Vision, Mission and Policy Setting and Strategic non-listed in the Stock Exchange of Thailand and Planning for Large Organizations Overseas, as assigned (36) • International or Regional Business Administration 5-year Past Experiences and/or Remarkable Positions and Cultural Difference Management • 2015 – 2019 Chairman, Thai Cane Paper Public • Innovation and Sustainable Organization Management Company Limited • Corporate Governance, Large Organization • 2015 – 2019 Chairman, Phoenix Pulp & Paper Public Management and Human Resource Management Company Limited • Risk Management and Crisis Management • 2015 – 2019 Chairman, Thai Containers Group • Economics and Investment Company Limited • Consumer Markets, Accounting and Finance • 2015 – 2019 President, Packaging Business, • Application of Technology in Industries and The Siam Cement Public Business Sectors Company Limited Director Training • 2015 – 2017 Committee, Thai Listed Companies • Director Accreditation Program (DAP) 149/2018, Association Thai Institute of Directors Association • 2014 – 2018 Executive Director, the Electronic Board Member/Management in other Listed Company Transactions Development Agency (1) (Public Organization) • Since 2019 President, Chemicals Business, • 2012 – 2015 Vice President-Corporate The Siam Cement Public Company Limited Administration, The Siam Cement Position in other Company/Organization/Institution Public Company Limited (45) Shareholdings (Ordinary Shares) (as at December 31, • Since 2020 Chairman of PTIT Refining and 2020) Petrochemical Standing Committee, • Held personally: (None) Petroleum Institute of Thailand • Held by Spouse or minor children: (None) • Since 2019 Director, SENFI Swiss GmbH, Family Relationship among Directors and Executives Switzerland (None) • Since 2019 Director, SENFI UK Limited, UK Remark: *Listed in the Stock Exchange of Indonesia • Since 2019 Director, SENFI Norway AS (Norner Holding AS), Norway

046 Mr. Thammasak Sethaudom Age 51 years

Position • Director Board Member/Management of other Listed Company Date of Appointment as a Director in Thailand (1) • October 1, 2018 • Since 2018 Vice President-Finance and Investment Education / Training & CFO, The Siam Cement Public • Master of Business Administration, Company limited London Business School, United Kingdom (Distinction) Position in other Company / Organization / Institution • Bachelor of Engineering, Electrical Engineering, (42) Chulalongkorn University • Since 2020 Project Director of Central Bank • Management Development Program, The Wharton Digital Currency School, The University of Pennsylvania, USA • Since 2019 Director, Thai Listed Companies • Executive Development Program, Association Columbia University, USA • Since 2018 Commissioner, PT Chandra Asri • Advanced Management Program (AMP), Petrochemical Tbk, Indonesia* Harvard Business School, USA • Since 2018 Authorized Representative at the Knowledge / Skills / Expertise Members Council, Long Son • Core Business of the Company and Businesses in Petrochemicals Company Limited, the Company’s Supply Chains Vietnam • Vision, Mission and Policy Setting and Strategic • Director of SCG’s subsidiaries, associates, and other Planning for Large Organizations companies which are non-listed in the Stock • International or Regional Business Administration Exchange of Thailand, as assigned (38) and Cultural Difference Management 5-year Past Experiences and/or Remarkable Positions • Innovation and Sustainable Organization Management • 2012 – 2018 General Director, Long Son • Corporate Governance, Large Organization Petrochemicals Company Limited Management and Human Resource Management • 2008 – 2012 Deputy General Director, Long Son • Risk Management and Crisis Management Petrochemicals Company Limited • Financial Statements Reviewing Shareholdings (Ordinary Shares) (as at December 31, • Economics and Investment 2020) • Marketing, Accounting and Finance • Held personally: (None) • Application of Technology in Industries and • Held by Spouse or minor children: (None) Business Sectors Family Relationship among Directors and Executives Director Training (None) • Director Accreditation Program (DAP) 159/2019, Remark: *Listed in the Stock Exchange of Indonesia Thai Institute of Directors Association • Director Certification Program (DCP) 298/2020, Thai Institute of Directors Association

047 Mr. Wichan Jitpukdee Age 54 years

Positions • Director Board Member/Management of other Listed Company • Chief Executive Officer in Thailand Date of Appointment as a Director (None) • June 1, 2019 Position in other Company/Organization/Institution Education / Training (2) • Bachelor of Engineering (Industrial Engineering), • Since 2019 Director of Executive Board, Chiang Mai University Thai Chamber of Commerce • Diploma in Pulp & Paper Technology, • Since 2019 President Commissioner, The University of Auckland, New Zealand PT Fajar Surya Wisesa Tbk., Indonesia* • Advanced Management Program (AMP), Other Positions in SCG Packaging Harvard Business School, USA • Chairman and director of SCG Packaging’s subsidiaries, • Executive Education Program – Columbia associates and other companies which are non-listed Business School, USA as assigned by the Company • Management Development Program XIX – 5-year Past Experiences and/or Remarkable Positions The Wharton School, University of Pennsylvania, USA • 2019 President, Packaging Business, • Building Competitive Advantage Through Operations The Siam Cement Public Program – Harvard Business School, USA Company Limited • Top Executive Program in Commerce and Trade • 2018 – 2019 Managing Director, (TEPCoT#10), University of the Thai Chamber of Thai Containers Group Company Limited Commerce • 2017 – 2018 President, The Thai Pulp and Paper • Top Executives Program, Class 29, Industries Association Capital Market Academy • 2014 – 2019 Managing Director, Siam Kraft Industry Knowledge / Skills / Expertise Company Limited • Core Business of the Company and Businesses in • 2011 – 2014 President & CEO, United Pulp and the Company’s Supply chains Paper Company Limited, Philippines • Vision, Mission and Policy Setting and Strategic • 2011 Director, Procurement Office, Planning for Large Organizations Siam Kraft Industry Company Limited • International or Regional Business Administration • 2010 – 2011 Director, Corporate Sustainable and Cultural Difference Management Development, SCG Paper Public • Innovation and Sustainable Organization Management Company Limited • Corporate Governance, Large Organization • 2007 - 2010 Vice President - Manufacturing, Management and Human Resource Management United Pulp and Paper • Risk Management and Crisis Management Company Limited, Philippines • Financial Statements Reviewing Shareholdings (Ordinary Shares) (as at December 31, • Application of Technology in Industries and 2020) Business Sectors • Held personally: (None) Director Training • Held by spouse or minor children: (None) • Director Accreditation Program (DAP) 163/2019, Family Relationship among Directors and Executives Thai Institute of Directors Association (None) Remark: *Listed in the Stock Exchange of Indonesia

048