Audit Committee
Mr. Grisada Boonrach
Chairman of the Audit Committee
Member of Risk Management Committee
Independent Director

Age:
67 years
Date of appointment as Director:
August 10, 2024
Shareholding in WHAID (as of 31 December 2024):
- Held personally: None
- Held by spouse or minor children: None
Family Relationship with Other Directors and Executives:
- None
Education:
- Master of Arts (Political Science), Thammasat University
- Bachelor Degree in Law, Chiang Mai University
- Bachelor of Arts (Political Science), Ramkhamhaeng University
Training program:
- Director Certification Program (DCP) Class 299/2020, Thai Institute of Directors
- The National Defense Program Class 53, Thailand National Defense College
- Senior Executives in State and Local Government, Kennedy School of Government Harvard University, 2009
- Stability Security Transition and Reconstruction, Asia Pacific Center for Security Studies (APCSS), 2007
- The Management Development Participation, University of Birmingham, 2001
Work Experience in the past 5 years
Director / Executive in other Listed Companies on The Stock Exchange of Thailand:
- 2020 - Present Independent Director (Non-executive Director) and Chairman of the Risk Management Committee of PTT Global Chemical Public Company Limited
Organizations / Companies (Not Listed Companies):
- 2022 - Present Chairman of Royal Initiative Discovery Institute (RIDI), Royal Initiative Discovery Foundation
- 2020 - Present Assistant Secretary General and Director of the Chapters Administration Office, Thai Red Cross Society
- 2019 - Present: Committee Member of Saijaithai Foundation under the Royal Patronage
- 2017 - 2019: Minister of Agriculture and Cooperatives
- 2015 - 2017 Permanent Secretary for Interior
Mr. Pasu Loharjun
Chairman of Risk Management Committee
Member of Audit Committee
Independent Director

Age:
65 years
Date of appointment as Director:
August 10, 2024
Shareholding in WHAID (as of 31 December 2024):
- Held personally: None
- Held by spouse or minor children: None
Family Relationship with Other Directors and Executives:
- None
Education:
- Doctor of Philosophy in Industrial Engineering and Operations Research, Virginia Polytechnic Institute and State University, USA
- Master of Science in Industrial Engineering, Polytechnic Institute of New York (NYU Poly), USA
- Bachelor of Engineering in Electrical Engineering, Chulalongkorn University
Training program:
- Certificate of Public Economic Management for Executives, King Prajadhipok’s Institute
- Certificate of Executive Development Program, Office of the Civil Service Commission
- Certificate of Executive Development Program 2, Office of the Civil Service Commission
- Certificate of Executive Creative Economy Training Program, Office of Knowledge Management and Development
- Certificate of Top Executive Program in Commerce and Trade, Commerce Academy, University of the Thai Chamber of Commerce
- Boardroom Success through Finance and Investment (BFI) Class 9/2020, Thai Institute of Directors
- Role of the Chairman Program (RCP) Class 42/2018, Thai Institute of Directors
- Director Certification Program (DCP) Class 213/2015, Thai Institute of Directors
- Top Executive Program in Commerce and Trade (TEPCoT) Class 8, Institute for Trade and Development, University of the Thai Chamber of Commerce
- Executive Leadership Program Class 22/2016, Capital Market Academy
- CG Code Update Program, PricewaterhouseCoopers ABAS Ltd.
- COSO ERM Program (Knowledge Sharing among Directors and Management, by Prof.Dr. Anya Khanthavit, independent director)
- Certificate of How to Develop a Winning Digital Strategy Program, Thai Institute of Directors Association
- Certificate of What Board Needs to Know about Digital Assets, Thai Institute of Directors Association
Work Experience in the past 5 years
Director / Executive in other Listed Companies on The Stock Exchange of Thailand:
- 2021 - Present Independent Chairman, Chairman of Corporate Governance and Sustainability Committee, and Member of Nomination and Remuneration Committee, Electricity Generating Public Company Limited
- 2020 - Present Director and Chairman of Nomination and Remuneration Committee, Allianz Ayudhya Capital Public Company Limited
Organizations / Companies (Not Listed Companies):
- 2024 - Present Chairman, Thailand Convention and Exhibition Bureau
- 2023 - Present Chairman, MUST BE Company Limited
- 2023 - Present Chairman, Thai-German Institute
- 2021 - Present Independent Director, Thai Beverage Public Company Limited
- 2020 - Present Member of Board Council, Thai-Nichi Institute of Technology
- 2019 - Present Member, Council of State
- 2018 - Present Director, Foundation for Industrial Development
- 2021 - 2024 Chairman, Export-Import Bank of Thailand
- 2020 - 2024 Director, Thailand Convention and Exhibition Bureau (Public Organization)
- 2022 - 2023 Member of the National Board, Office of Small and Medium Enterprise Promotion
- 2021 - 2023 Chairman, Plastic Institute of Thailand
- 2019 - 2022 Chairman, Thailand National Metal and Materials Technology Center (MTEC)
- 2019 - 2021 Chairman, Thailand Institute of Scientific and Technological Research (TISTR)
Mrs. Punnee Worawuthichongsathit
Member of Audit Committee
Member of Corporate Governance and Sustainable Development Committee
Independent Director

Age:
72 years
Date of appointment as Director:
August 10, 2024
Shareholding in WHAID (as of 31 December 2024):
- Held personally: None
- Held by spouse or minor children: None
Family Relationship with Other Directors and Executives:
- None
Education:
- Master of Accounting, Chulalongkorn University
- Bachelor of Accounting, Chulalongkorn University
Training program:
- Sustainable Future: The Board as a Catalyst for value, Thai Institute of Directors
- Director Leadership Certification Program (DLCP) Class 7/2022, Thai Institute of Directors
- Driving Company Success with IT Governance (ITG) Class 4/2017, Thai Institute of Directors
- Ethical Leadership Program (ELP) Class 2/2015, Thai Institute of Directors
- Anti-Corruption the Practical Guide (ACPG) Class 10/2014, Thai Institute of Directors
- Anti-Corruption for Executive Program (ACEP) Class 10/2014, Thai Institute of Directors
- Role of the Nomination & Governance Committee (RNG) Class 1/2011, Thai Institute of Directors
- Role of the Chairman Program (RCP) Class 25/2011, Thai Institute of Directors
- Monitoring Fraud Risk Management (MFM) Class 1/2009, Thai Institute of Directors
- DCP Refresher Course Class 2/2009, Thai Institute of Directors
- Role of the Compensation Committee (RCC) Class 7/2008, Thai Institute of Directors
- Chartered Director Class (CDC) Class 7/2008, Thai Institute of Directors
- Monitoring the System of Internal Control and Risk Management (MIR) Class 2/2008, Thai Institute of Directors
- Monitoring the Internal Audit Function (MIA) Class 1/2007, Thai Institute of Directors
- Improving the Quality of Financial Reporting (MFR) Class 5/2007, Thai Institute of Directors
- Audit Committee Program (ACP) Class 2/2004, 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
- Certified Public Accountant (CPA), Federation of Accounting Professions under the Royal Patronage of His Majesty the King
- Certified Professional Internal Auditor (CPIA), The Institute of Internal Auditors of Thailand
- Qualified Internal Auditor (QIA), The Institute of Internal Auditors of Thailand under the Royal Patronage
- Certified Internal Auditor (CIA) The Institute of Internal Auditors (IIA) November 2000
Work Experience in the past 5 years
Director / Executive in other Listed Companies on The Stock Exchange of Thailand:
- 2016 - Present Independent Director and Audit Committee Member, Saha Pathana Inter-Holding Public Company Limited
- 2010 - Present Independent Director and Audit Committee Member, Thai Wacoal Public Company Limited
- 2004 - Present Independent Director, Audit Committee Member, Chairman of the Nomination Committee, and Chairman of the Remuneration Committee, Brooker Group Public Company Limited
- 2007 - 2023 Chairman of the Board, Independent Director, Mono Next Public Company Limited
- 2015 - August 2024 Independent Director, Audit Committee Member, and Chairman of the Corporate Governance and Sustainability Development Committee, WHA Utilities and Power Public Company Limited
Organizations / Companies (Not Listed Companies):
- 2024 - Present Advisor to the Minister of Finance
- 2023 - Present Chairman of the Subcommittee for Monitoring the Strategic Plan and Professional Development, Federation of Accounting Professions
- 2020 - Present Board Member of the Taxation Committee, Federation of Accounting Professions
- 2020 - Present Advisor of the Management Accounting Profession Committee, Federation of Accounting Professions
- 2020 - Present Advisor of the Branch Management Committee, Federation of Accounting Professions
- 2018 - Present Audit Committee member, Thai Investors Association
- 2017 - Present Audit Committee member, Chulabhorn Royal Academy
- 2016 - Present Chairman of Board of Directors, PW Consultants Company Limited
- 2015 - Present Audit Committee member, University of the Thai Chamber of Commerce
- 2013 - Present Audit Committee member, The Thai Chamber of Commerce and Board of Trade of Thailand
- 2017 - 2019 Advisor to the Accounting Profession Committee on Taxation, Subcommittee on the Development of a Single Accounting System, Federation of Accounting Professions under the Royal Patronage