Board of Directors

Age:

• 70 Years old

Date of appointment as Director:

• February 23, 2023

WHA Shareholdings: as of December 31, 2023

• Held personally: - None -
• Held by spouse or minor children: - None -

Family Relationship with Other Directors and Executives:

• - None -

Education:

• Ph.D. in Business Administration, J.L. Kellogg Graduate School of Management, Northwestern University, USA
• Master’s degree, Business Administration in Finance, National Institute of Development Administration (NIDA)
• Bachelor’s degree from the Faculty of Economics, Thammasat University

Work Experience in the past 5 years

Director / Executive in other Listed Companies on The Stock Exchange of Thailand:

• May 2023 - Present Chairman of the Board of Director, Saha Pathana Inter-Holding Public Company Limited
• Feb 2023 - Present Independent Director, Saha Pathana Inter-Holding Public Company Limited

Director / Executive in other Non-Listed Company / Organization:

• May 2023 - Present Advisor, Saha Pathanapibul Public Company Limited
• 2022 - Present Advisor, I.C.C. International Public Company Limited
• 2007 - Present Distinguished Professor, National Institute of Development Administration (NIDA)
• 2002 - Present Vice chairman of the central, Ramathibodi Foundation
• 2020 - 2022 Chairman of the Board of Directors / Independent Director, Saha Pathana Inter-Holding Public Company Limited
• 2015 - 2020 Deputy Prime Minister

GICS Level 1 sectors classification: Real Estate / Industrials

• 2023 - Present Chairman of the Board of Directors / Independent Director, Saha Pathana Inter-Holding Public Company Limited
• 2020 - 2022 Chairman of the Board of Directors / Independent Director, Saha Pathana Inter-Holding Public Company Limited

Details disclosed in "Attachment 1" Form 56-1 One Report 2023

Age:

• 73 Years old

Date of appointment as Director:

• June 22, 2020

WHA Shareholdings: as of December 31, 2023

• Held personally: - None -
• Held by spouse or minor children: - None -

Family Relationship with Other Directors and Executives:

• - None -

Education:

• Master’s degree, Science (Engineering Management), University of Missouri-Rolla, USA
• Bachelor’s degree, Engineering (Industrial Engineering), Chulalongkorn University

Training program:

• Refreshment Training Program (Joint Venture Governance) (RFP) Class 11/2023, Thai Institute of Directors
• The Board's Role in Mergers and Acquisition (BMA) Class 5/2023, Thai Institute of Directors
• Subsidiary Governance Program (SGP) Class 2/2022, Thai Institute of Directors
• Refreshment Training Program (RFP) Class 3/2021, Thai Institute of Directors
• Leading Your Business Through Uncertainties (DRP) Class 2/2021, Thai Institute of Directors
• Risk Management Program for Corporate Leaders (RCL) Class 24/2021, Thai Institute of Directors
• Ethical Leadership Program (ELP) Class 23/2021, Thai Institute of Directors
• In-House Program on "Business Transformation to be driven into Digital Economy” 2020, Thai Institute of Directors
• Certificate, The Rule of Law and Democracy, Institute of Constitutional Studies Class 2/2014, The Constitutional Court of the Kingdom of Thailand
• Certificate, Energy Literacy for Sustainable Future (TEA) Class 3/2014, Thailand Energy Academy
• Certificate, The Fourth Training Course on Administrative Justice for Executives Class 4/2012, The Office of the Administrative Courts of Thailand
• Certificate, Advanced Security Management Program (ASMP) Class 3/2012, National Defence College
• Certificate, Top Executives Program (CMA) Class 7/2008, The Capital Market Academy
• Role of the Chairman Program (RCP) Class 13/2006, Thai Institute of Directors
• Audit Committee Program (ACP) Class 1/2004, Thai Institute of Directors
• Director Certification Program (DCP) Class 45/2004, Thai Institute of Directors
• Finance for Non-Finance Director (FND) Class 10/2004, Thai Institute of Directors Advanced Certificate Course in Politics and Governance in Democratic Systems for Executives Class 6/2002, King Prajadhipok's Institute
• Diploma, National Defence College (NDC) Class 1/1998, The Joint State-Private Sector Course

Work Experience in the past 5 years

Director / Executive in other Listed Companies on The Stock Exchange of Thailand:

• 2018 - Present Independent Director / Chairman of Audit Committee, Inoue Rubber (Thailand) Public Company Limited
• 2016 - Present Independent Director / Chairman of Audit Committee / Member of Corporate Governance and Sustainability Committee, B. Grimm Power Public Company Limited

Director / Executive in other Non-Listed Company / Organization:

• 2011 - Present President, The Thai Industrial Estate and Strategic Partner Association
• 2000 - Present President of Foundation, The Coral and Coastal Conservation Foundation
• 2022 - 2023 Chairman of working Group to Study Guidelines and Systems for Water Resource Management in the main pipelines of Eastern Office of the National Water Resources
• 2020 - 2023 Vice Chairman,The Engineering Institute of Thailand under His Majesty the King’s Patronage
• 2020 - 2021 Member, The water Management Sub-committee, Eastern Economic Corridor office of Thailand
• 2019 - 2022 Advisor, The Engineering Institute of Thailand Under H.M. The King’s Patronage
• 2018 - 2022 Honorary Member, University Council, Dhurakij Pundit University
• 2017 - 2023 Honorary Advisor, The Eastern Economic Corridor Office of Thailand (EEC)
• 2016 - 2017 Advisor, Energy Affairs Committee and Member of the National Reform Steering Assembly (NRSA)
• 2015 - 2016 Member, Nation Reform Council
• 2013 - 2014 Chairman, Electricity Generating Authority of Thailand
• 2011 - 2013 Director (Female Engineer President), The Engineering Institute of Thailand under His Majesty the King’s Patronage
• 2004 - 2010 Advisor, Industrial Estate Authority of Thailand (IEAT)
• 2000 - 2004 Governor, Industrial Estate Authority of Thailand (IEAT)
• 2000 - 2015 President, The Federation of Thai Industries
• 2022 - Present Director (Non-Executive Director), subsidiaries of WHA Corporation Public Company Limited (1 Company)

GICS Level 1 sectors classification: Real Estate / Industrials / Energy

• 2011 - Present President, The Thai Industrial Estate and Strategic Partner Association
• 2013 - 2014 Chairman, Electricity Generating Authority of Thailand
• 2004 - 2010 Advisor, Industrial Estate Authority of Thailand (IEAT)
• 2000 - 2004 Governor, Industrial Estate Authority of Thailand (IEAT)

Details disclosed in "Attachment 1" Form 56-1 One Report 2023

Age:

• 69 Years old

Date of appointment as Director:

• April 29, 2014

WHA Shareholdings: as of December 31, 2023

• Held personally: - None -
• Held by spouse or minor children: - None -

Family Relationship with Other Directors and Executives:

• - None -

Education:

• Ph.D. in Economics, University of Washington, USA
• Master’s degree, Economics (English Program), Thammasat University
• Bachelor’s degree, Economics, Thammasat University

Training program:

• Director Leadership Certification Program (DLCP) Class 9/2023, Thai Institute of Directors
• Risk Management Program for Corporate Leaders (RCL) Class 30/2023, Thai Institute of Directors
• Subsidiary Governance Program (SGP) Class 3/2022, Thai Institute of Directors
• Role of the Chairman Program (RCP) Class 50/2022, Thai Institute of Directors
• Health Innovation Digital Age Program (HIDA) Class 1/2021, Suan Sunandha Rajabhat University
• Strategic Board Master Program (SBM) Class 9/2020, Thai Institute of Directors
• Monitoring the Internal Audit Function Program (MIA) Class 12/2012, Thai Institute of Directors
• Director Certification Program (DCP) Class 53/2005, Thai Institute of Directors
• Audit Committee and Continuing Development Program (ACP) Class 8/2005, Thai Institute of Directors
• Director Accreditation Program (DAP) Class 17/2004, Thai Institute of Directors

Work Experience in the past 5 years

Director / Executive in other Listed Companies on The Stock Exchange of Thailand:

• 2017 - Present Independent Director, Kang Yong Electric Public Company Limited
• 2017 - Present Director / Member of Executive Committee, Thai Group Holdings Public Company Limited

Director / Executive in other Non-Listed Company / Organization:

• 2011 - Present Director, Southeast Capital Co., Ltd.
• 2011 - Present Director, Southeast Life Insurance Public Company Limited
• 2009 - Present Member of the Audit Committee, Chiang Mai University
• 2011 - 2022 Director, Southeast Insurance Public Company Limited
• Present Director (Non-Executive Director), Subsidiaries of WHA Corporation Public Company Limited (1 Company)

GICS Level 1 sectors classification:

• - None -

Details disclosed in "Attachment 1" Form 56-1 One Report 2023

Age:

• 62 Years old

Date of appointment as Director:

• June 22, 2020

WHA Shareholdings: as of December 31, 2023

• Held personally: - None -
• Held by spouse or minor children: - None -

Family Relationship with Other Directors and Executives:

• - None -

Education:

• Ph. D. in Computational Science, George Mason University, USA
• Master’s degree, Computer Science, The George Washington University, USA
• Bachelor’s degree, Electrical Engineering, Chulachomklao Royal Military Academy

Training program:

• Hot Issue for Directors: Climate Governance Class 2/2023, Thai Institute of Directors
• SANS Certificate Program (SEC504) Ethical Hacking and Incident Response, SANS Institute
• ACinfotec: CSSP Preparation Program, ACinfotec Co., Ltd.
• Strategic Board Manager Program (SBM) Class 9/2020, Thai Institute of Directors
• Risk Management Program for Corporate Leaders (RCL) Class 15/2019, Thai Institute of Directors
• Role of Chairman Program (RCP) Class 44/2019, Thai Institute of Directors
• IT Governance Program (ITG) Class 9/2018, Thai Institute of Directors
• The National Defense Program Class 60/2017, Thailand National Defense College
• Director Certification Program (DCP) Class 210/2015, Thai Institute of Directors
• Director Accreditation Program (DAP) Class 51/2013, Thai Institute of Directors

Work Experience in the past 5 years

Director / Executive in other Listed Companies on The Stock Exchange of Thailand:

• 2008 - Present IT Advisor, Haadthip Public Company Limited
• 2018 - Present Security Advisor, Workpoint Entertainment Public Company Limited

Director / Executive in other Non-Listed Company / Organization:

• 2018 - 2023 Director, The Metropolitan Electricity Authority (State Enterprise)
• 2020 - 2022 Secretary General as National Cybersecurity Committee, The National Cybersecurity Committee
• 2018 - 2020 Senior Expert, The Office of Permanent Secretary for Defense
• 2014 - 2017 Director, The Provincial Electricity Authority
• 2022 - Present Director ( Non-Executive Director), in Subsidiaries of WHA Corporation Public Company Limited (1 Company)

GICS Level 1 sectors classification: Information Technology/Energy

• 2018 - 2023 Director , The Metropolitan Electricity Authority (State Enterprise)
• 2020 - 2022 Secretary General as National Cybersecurity Committee,The National Cybersecurity Committee
• 2014 - 2017 Director, The Provincial Electricity Authority

Details disclosed in "Attachment 1" Form 56-1 One Report 2023

Age:

• 68 Years old

Date of appointment as Director:

• April 25, 2016

WHA Shareholdings: as of December 31, 2023

• Held personally: - None -
• Held by spouse or minor children: - None -

Family Relationship with Other Directors and Executives:

• - None -

Education:

• Master of Business Administration, Northeastern University, Boston, USA
• Bachelor of Business Administration, Northeastern University, Boston, USA

Training program:

• Director Certification Program (DCP) Class 57/2005, Thai Institute of Directors

Work Experience in the past 5 years

Director / Executive in other Listed Companies on The Stock Exchange of Thailand:

• 2008 - Present Director, WHA Utilities and Power Public Company Limited
• 2016 - Feb 2023 Member of Executive Committee / Member of Risk Management Committee, WHA Utilities and Power Public Company Limited

Director / Executive in other Non-Listed Company / Organization:

• Present Director , in Subsidiaries of WHA Corporation Public Company Limited ( 2 Companies)
• Present Director, in Subsidiaries of WHA Industrial Development Public Company Limited (4 Companies)

GICS Level 1 sectors classification: Real Estate

• Mar 2023 - Present Vice Chairman of the Board of Directors, WHA Industrial Development Public Company Limited
• 1994 - Present Director, WHA Industrial Development Public Company Limited
• 1994 - Nov 2023 Member of Executive Committee , WHA Industrial Development Public Company Limited
• 1994 - Feb 2023 Group Executive Industrial and International (CEO), WHA Industrial Development Public Company Limited

Details disclosed in "Attachment 1" Form 56-1 One Report 2023

Age:

• 67 Years old

Date of appointment as Director:

• April 25, 2016

WHA Shareholdings: as of December 31, 2023

• Held personally: - None -
• Held by spouse or minor children: - None -

Family Relationship with Other Directors and Executives:

• - None -

Education:

• Bachelor’s degree, Engineering (Sanitary Engineering), Chulalongkorn University

Training program:

• Hot Issue for Directors: Climate Governance Class 2/2023, Thai Institute of Directors
• Anti-Corruption for Executive Program (ACEP) Class 2/2014 Thai Institute of Directors
• IOD Luncheon Briefing 1/2013: Thailand Economic Outlook 2013 Program, Thai Institute of Directors
• Director Accreditation Program (DAP) Class 2/2003, Thai Institute of Directors
• Director Certification Program (DCP) Class 38/2003, Thai Institute of Directors

Work Experience in the past 5 years

Director / Executive in other Listed Companies on The Stock Exchange of Thailand:

• 2015 - Present Director, WHA Utilities and Power Public Company Limited
• 2016 - Feb 2023 Member of Executive Committee / Member of Corporate Governance Committee, WHA Utilities and Power Public Company Limited

Director / Executive in other Non-Listed Company / Organization:

• Present Director, in Subsidiaries of WHA Corporation Public Company Limited (2 Companies)
• Present Director, in Subsidiaries of WHA Industrial Development Public Company Limited (2 Companies)

GICS Level 1 sectors classification: Real Estate / Industrials

• 1995 - Present Member of Executive Committee, WHA Industrial Development Public Company Limited
• 1994 - Present Director, WHA Industrial Development Public Company Limited
• 1995 - Feb 2023 Chief Operating Officer, WHA Industrial Development Public Company Limited
• 2018 - Present Director, WHA Industrial Estate Rayong Co., Ltd.
• 1994 - Present Director, Eastern Seaboard Industrial Estate (Rayong) Co., Ltd.

Details disclosed in "Attachment 1" Form 56-1 One Report 2023

Age:

• 52 Years old

Date of appointment as Director:

• April 23, 2012

WHA Shareholdings: as of December 31, 2023

• Held personally: - None -
• Held by spouse or minor children: - None -

Family Relationship with Other Directors and Executives:

• - None -

Education:

• Ph. D. in Arts, Khon Kaen University
• Master’s degree, Business Administration, Chulalongkorn University
• Bachelor’s degree, Business Administration, Chiang Mai University

Training program:

• Director Certification Program (DCP) Class 317/2022, Thai Institute of Directors
• Board Nomination and Compensation Program (BNCP) Class 11/2021, Thai Institute of Directors
• Risk Management Program for Corporate Leaders (RCL) Class 25/2021, Thai Institute of Directors
• ISO9000 Lead assessor (2558), SGS
• SA8000 Lead assessor (2557), SGS
• Director Accreditation Program (DAP) Class 96/2012, Thai Institute of Directors
• Lead assessor (TQA 2008-2021), Thailand Quality Award
• Lead Assessor (TQA 2004), Thailand Quality Award
• Thailand Productivity Development Project (2000) JICA, Japan
• Productivity Improvement (1998), Japan Productivity Center

Work Experience in the past 5 years

Director / Executive in other Listed Companies on The Stock Exchange of Thailand:

• - None -

Director / Executive in other Non-Listed Company / Organization:

• 2015 - Present Managing Director, IK-KRAFT Co., Ltd.
• 1998 - Present Managing Director, Carpet Maker (Thailand) Co., Ltd.
• 2003 - 2021 Auditor of the Award Thailand The Office of Thailand Quality Award
• 2022 - Present Director (Non-Executive Director), Subsidiaries of WHA Corporation Public Company Limited (1 Company)

GICS Level 1 sectors classification:

• - None -

Details disclosed in "Attachment 1" Form 56-1 One Report 2023

Age:

• 64 Years old

Date of appointment as Director:

• April 26, 2021

WHA Shareholdings: as of December 31, 2023

• Held personally: - None -
• Held by spouse or minor children: - None -

Family Relationship with Other Directors and Executives:

• - None -

Education:

• Master’s degree, Business Administration, Angelo State University, Texas, USA
• Bachelor’s degree, Accounting, Thammasat University

Training program:

• Ethical Leadership Program (ELP) Class 9/2017, Thai Institute of Directors
• Board Matters and Trends (BMT) Class 4/2017, Thai Institute of Directors
• Audit Committee Program (ACP) Class 5/2005, Thai Institute of Directors
• Director Accreditation Program (DAP) Class 8/2002, Thai Institute of Directors
• Executive Leadership Program Class11, Capital Market Academy
• The National Defense Program Class 52, Thailand National Defense College
• The Senior Executive Program in Energy Literacy for a Sustainable Future Class 9, Thailand Energy Academy
• Bangkok Sustainable Banking Forum 2018, Bank of Thailand
• The Civil Service Executive Development Program Class 46, Office of the Civil Service Commission
• Executive Development Program Class 66 Kellogg School of Management
• Cyber Security and Technology Risk, The Siam Commercial Bank PCL. and PwC Thailand
• Customer Experience and Value Creation, The Siam Commercial Bank PCL.
• Digital Fraud101,The Siam Commercial Bank PCL.

Work Experience in the past 5 years

Director / Executive in other Listed Companies on The Stock Exchange of Thailand:

• 2022 - Present Director / Chairman of Audit Committee / Member of Nomination and Remuneration Committee, Master Style Public Company Limited
• 2021 - Present Independent Director / Chairman of Risk Management Committee , Intouch Holdings Public Company Limited
• 2018 - Present Independent Director / Chairman of the Board of Directors / Chairman of Risk Management Committee, Sabuy Technology Public Company Limited
• 2021 - 2022 Director / Member of Executive Committee / Member of Nomination and Remuneration Committee, The Siam Commercial Bank Public Company Limited
• 2021 - 2022 Director / Member of Executive Committee / Member of Nomination Compensation and Corporate Governance Committee, SCBX Public Company Limited
• 2020 - 2021 Vice Chairman / Member of Rehabilitation Planners Committee, THAI Airways International Public Company Limited
• 2020 - 2020 Acting President, THAI Airways International Public Company Limited
• 2019 - 2021 Independent Director/ Member of Audit Committee / Member of Nomination and Remuneration Committee, R.S. Public Company Limited
• 2019 - 2021 Independent Director and Chairman of Audit Committee, Synnex (Thailand) Public Company Limited
• 2018 - 2019 Chairman, ASEAN Potash Chaiyaphum Public Company Limited
• 2017 - 2020 Independent Director, ESSO (Thailand) Public Company Limited
• 2015 - 2016 Director, PTT Exploration and Production Public Company Limited
• 2014 - 2021 Independent Director / Member of Audit Committee, Pinthong Industrial Park Public Company Limited
• 2013 - 2016 Independent Director / Member of Audit Committee, Vichitbhan Palmoil Public Company Limited
• 2003 - 2018 Independent Director/ Chairman, MPG Corporation Public Company Limited

Director / Executive in other Non-Listed Company / Organization:

• 2022 - Present Chairman of the Board / Chairman of the Risk Oversight Committee / Chairman of Nomination and Remuneration and Corporate Governance committee, CardX Company Limited
• 2022 - Present Independent Director / Chairman of the Audit Committee,Petchsrivichai Enterprise Company Limited
• 2022 - Present Expert Member,Thammasat University Council
• 2022 - Present Director/ Member of the Executive Committee / Member of Risk Oversight Committee, The Siam Commercial Bank Public Company Limited
• 2016 - Present Chairman of the Good Corporate Governance Committee,MFC Asset Management Public Company Limited
• 2021 - 2022 Member of Nomination and Remuneration Committee, Master Style Company Limited
• 2018 - 2019 Chairman, Vending Corporation Company Limited
• 2017 - 2020 Deputy Permanent Secretary, Ministry of Finance
• 2018 - 2021 Chairman, NBD Healthcare Company Limited
• 2017 - 2018 Director, Tris Corporation Company Limited
• 2016 - 2018 Director, Siam Commercial Foundation
• 2015 - 2017 Director, Real Estate Information Center
• 2015 - 2017 Chairman, Dhanarak Asset Development Company Limited
• 2015 - 2017 Director-General, Treasury Department
• 2022 - Present Director (Non- Executive Director), in Subsidiaries of WHA Corporation Public Company Limited (1 Company)

GICS Level 1 sectors classification: Real Estate

• 2014 - 2021 Independent Director / Member of the Audit Committee, Pinthong Industrial Park Public Company Limited
• 2015 - 2017 Director, Real Estate Information Center
• 2015 - 2017 Chairman, Dhanarak Asset Development Company Limited

Details disclosed in "Attachment 1" Form 56-1 One Report 2023

Age:

• 52 Years old

Date of appointment as Director:

• April 26, 2021

WHA Shareholdings: as of December 31, 2023

• Held personally: - None -
• Held by spouse or minor children: - None -

Family Relationship with Other Directors and Executives:

• - None -

Education:

• Doctor of Philosophy in Computer Science, Stanford University, USA
• Master of Science in Computer Science, Stanford University, USA
• Master of Business Administration, Chulalongkorn University
• Bachelor of Engineering, Chulalongkorn University

Training program:

• Thailand Insurance Super Leadership Program Class 1/2020, Office of Insurance Commission
• Executive Leadership Program Class 28/2020, Capital Market Academy
• Thailand Insurance Leadership Program, Office of Insurance Commission
• Strategy and Innovation for Businesses in Asia Program (SIBA 2012), Massachusetts Institute of Technology (MIT) - College of Management, Mahidol University
• Senior Executive Program in Commerce and Trade Year 2011, University of the Thai Chamber of Commerce
• Executive Development Program (EDP) Year 2009, Thai Listed Companies Association
• Executive Program for Senior Management, Fiscal Policy Research Institute Foundation
• Director Certification Program (DCP) Year 2007, Thai Institute of Directors

Work Experience in the past 5 years

Director / Executive in other Listed Companies on The Stock Exchange of Thailand:

• 2021 - Present Independent Director / Member of Audit Committee, I.C.C. International Public Company Limited
• 2020 - Present Advisor to Chief Executive Office, Kiatnakin Phatra Bank Public Company Limited
• 2013 - Present Executive Committee, Kiatnakin Phatra Bank Public Company Limited
• 2018 - 2020 Director, Bangchak Corporation Public Company Limited

Director / Executive in other Non-Listed Company / Organization:

• 2022 - Present Member, Eastern Economic Corridor (EEC) / Working group of EEC Common Data Lake
• 2021 - Present Chairman, Securities Investor Protection Fund (SIPF)
• 2021 - Present Director (Authorized Director), FOURGLE (THAILAND) Company Limited
• 2021 - Present Director (Authorized Director), BEE SYSTEM Company Limited
• 2021 - Present Director, KKP Dime Securities Company Limited
• 2020 - Present Chairman / Member of Audit Committee, Arkitektura Company Limited
• 2020 - Present Standard and Regulation Sub-commissioner, The Electronic Transactions Commission, Ministry of Digital Economy and Society.
• 2020 - Present Strategy and Promotion Sub-commissioner, The Electronic Transactions Commission, Ministry of Digital Economy and Society.
• 2020 - Present Honorary Director, in Computer Science ,The Electronic Transactions Commission, Ministry of Digital Economy and Society.
• 2020 - Present Advisor, The Digital Council of Thailand
• 2019 - Present Chairman (Authorized Director), Saphanboon Foundation
• 2019 - Present State Enterprise Development Assessment Subcommittee for Digital Transformation and Knowledge and Innovation Management, The State Enterprise Policy Office
• 2019 - Present Honorary Director and Member of the Audit Committee,The Capital Market Development Fund Committee, The Stock Exchange of Thailand
• 2017 - Present Expert Member, Commission Policy on Private Participation in State Affairs, State Enterprise Policy Office
• 2015 - Present Director, Aksorn Education Company Limited
• 2021 - 2023 Director, The Stock Exchange of Thailand
• 2021 - 2023 Chairman, SET Venture Holding Company Limited
• 2020 - 2022 Advisor, The Securities and Exchange Commission / Technology Committee
• 2020 - 2022 Advisor, The working group to promote liquidity in doing business with electronic tax documents, The Revenue Department
• 2018 - 2022 Director, The Revenue Department drive the committee into digital revenue, The Revenue Department
• 2018 - 2022 Honorary Director, The Committee for Protection of Credit Information State Enterprise Policy Office
• 2022 - Present Director ( Non- Executive Director), in Subsidiaries of WHA Corporation Public Company Limited (1 Company)

GICS Level 1 sectors classification: Information Technology / Energy

• 2020 - Present Honorary Director in Computer Science, The Electronic Transactions Commission, Ministry of Digital Economy and Society
• 2020 - Present Advisor, The Digital Council of Thailand
• 2018 - 2020 Director, Bangchak Corporation Public Company Limited

Details disclosed in "Attachment 1" Form 56-1 One Report 2023

Age:

• 57 Years old

Date of appointment as Director:

• May 12, 2021

WHA Shareholdings: as of December 31, 2023

• Held personally: - None -
• Held by spouse or minor children: - None -

Family Relationship with Other Directors and Executives:

• - None -

Education:

• Master’s degree, Laws, Georgetown University, USA
• Master’s degree, Laws, Boston University, USA
• Bachelor’s degree, Laws, Chulalongkorn University

Training program:

• Director Certification Program (DCP) Class 307/2564, Thai Institute of Directors

Work Experience in the past 5 years

Director / Executive in other Listed Companies on The Stock Exchange of Thailand:

• - None -

Director / Executive in other Non-Listed Company/ Organization:

• 2019 - Present Senior Partner and Chief Corporate and M&A Division,Chandler MHM Limited
• 2015 - 2018 Executive Director, Whitespace Co., Ltd.
• 2022 - Present Director (Non-Executive Director), in Subsidiaries of WHA Corporation Public Company Limited (1 Company)

GICS Level 1 sectors classification:

• - None -

Details disclosed in "Attachment 1" Form 56-1 One Report 2023

Age:

• 61 Years old

Date of appointment as Director:

• November 12, 2022

WHA Shareholdings: as of December 31, 2023

• Held personally: - None -
• Held by spouse or minor children: - None -

Family relationship among Directors and Executives:

• - None -

Education:

• Master of Business Administration, Youngstown State University, Ohio, USA
• Bachelor of Engineering (Industrial Engineering), Chulalongkorn University

Training program:

• Director Certification Program (DCP) Class 340/2566, Thai Institute of Directors
• Director Accreditation Program (DAP) Class 160/2019, Thai Institute of Directors
• Risk Management Program for Corporate Leader (RCL) Class 17/2019, Thai Institute of Directors
• Corporate Governance for Directors and Senior Executives of Regulator State Enterprises and Public Organizations 2019, King Prajadhipok's Institute
• National Defense Course class 54/2011, National Defense College of Thailand
• The Executive Program class 44/2005, Office of the Civil Service Commission (OCSC)

Work Experience in the past 5 years

Director / Executive in other Listed Companies on The Stock Exchange of Thailand:

• - None -

Director / Executive in other Non-Listed Company / Organization:

• 2017 - 2022 Permanent Secretary,Ministry of Digital Economy and Society
• 2015 - 2017 Deputy Secretary General Board of Investment (Executive), Higher Level, The Board of Investment of Thailand, The Prime Minister's Office.
• 2022 - Present Director (Non-Executive Director), in Subsidiaries of WHA Corporation Public Company Limited (1 Company)

GICS Level 1 sectors classification:

• - None -

Details disclosed in "Attachment 1" Form 56-1 One Report 2023