Mr. Praphaisith Tankeyura
Independent Director
Chairman of the Audit Committee
Member of the Risk Management Committee
Chayanan Pakdeejit, Ph.D.
Independent Director
Member of the Corporate Governance and Sustainability Committee
Mr. Borwornsak Wanich
Independent Director
Member of the Human Resources and Remuneration Committee
Member of the Audit Committee
Mr. Jiraroj Lanchanavanich
Independent Director
Chairman of the Risk Management Committee
Member of the Audit Committee
Pol.Maj.Gen Wasan Techa-akarakasem
Independent Director
Chairman of the Corporate Governance and Sustainability Committee

Independent Directors means the Director who has qualifications and being independent as defined by the Company’s regulation regarding the Board of Directors, complying with the criteria and regulation enforced by the Securities and Exchange Commission (SEC) and the Stock Exchange of Thailand (SET) as follows

“Independent Director” of the Company means the Director who possesses the following qualifications:

  1. holding shares not exceeding 0.5 /1 per cent of the total number of voting rights of the Company, its subsidiary, affiliate, joint venture or juristic person which may have conflicts of interest, including the shares held by related persons of the Independent Director;
  2. neither being nor having been an Executive Director, employee, staff or advisor who receives salary, or a controlling person of the Company, its subsidiary, affiliate, joint venture, same-level subsidiary or juristic person who may have conflicts of interest unless the foregoing status has ended not less than two years prior to the date of appointment as the Independent Director;
  3. not being a person related by blood or registration under laws, such as father, mother, spouse, sibling, and child, including spouse of the children, executives, major shareholders, controlling persons, or persons to be nominated as executive or controlling persons of the Company or its subsidiary;
  4. not having a business relationship with the Company, its subsidiary, affiliate, joint venture, or juristic person who may have conflicts of interest, in the manner which may interfere with his independent judgement, and neither being nor having a major shareholder, Non-Independent Director or executive of any person having business relationship with the Company, its subsidiary, affiliate, joint venture or juristic person who may have conflicts of interest unless the foregoing status has ended not less than two years prior to the date of appointment as the Independent Director;

    The term “business relationship” aforementioned under paragraph one includes any normal business transaction, rental or lease of immovable property or extending loans, guarantee, providing assets as collateral, including any other similar actions, which result in the applicant or his counterparty being subject to indebtedness payable to the other party in the amount of there per cent or more of the net tangible assets or the applicant or twenty million Baht or more, whichever is lower. The amount of such indebtedness shall be calculated according to the calculation method for value of connected transactions under the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and Act of Listed Companies Concerning the Connected Transactions mutatis mutandis. The combination of such indebtedness shall include indebtedness taking place during the course of one year prior to the date on which the business relationship with the person commences;
  5. neither being nor having been an auditor of the Company, its subsidiary, affiliate, joint venture or juristic person who may have conflicts of interest, and not being a major shareholder, Non-Independent Director, executive or partner of an audit firm which employs auditors of the Company, its subsidiary, affiliate, joint venture or juristic person who may have conflicts of interest unless the foregoing relationship has ended not less than two years prior to the date of appointment as the Independent Director;
  6. neither being nor having been any professional advisor including legal advisor or financial advisor who receives an annual service fee exceeding two million Baht from the Company, its subsidiary, affiliate, joint venture or juristic person who may have conflict of interest, and neither being nor having been a major shareholder, Non-Independent Director, executive or partner of the professional advisor unless the foregoing relationship has ended not less than two years prior to the date of appointment as the Independent Director;
  7. not being a Director who has been appointed as a representative of the Company’s Director, major shareholder or shareholders who are related to the Company’s major shareholder;

    After having been appointed as Independent Director with qualifications complying with the criteria under (1) to (7) mentioned above, the Independent Director may be assigned by the Board of Directors to take part in the business decision of the Company, its subsidiary, affiliate, joint venture, same-level subsidiary or juristic person who may have conflicts of interest on the condition that such decision must be a collective one.

/1 The criteria about the shares held by the Company’s Independent Director (which is not exceeding 0.5 per cent) is more strict than the criteria enforced by the Capital Market Supervisory Board (which is not exceeding 1 per cent).

Mr. Praphaisith Tankeyura
Mr. Praphaisith Tankeyura
Independent Director
Chairman of the Audit Committee
Member of the Risk Management Committee
Age

71 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Directorship
  • 24 April 2023
Education
  • Master of Business Administration (Finance), Florida State University, United States of America
  • Bachelor of Statistics (Applied Statistics in Business), Chulalongkorn University
Important Trainings/Seminars
  • Arranged by Thai Institute of Directors Association
    • ID Forum 2025: Role of Independent Directors in Overseas Expansion & International Markets
    • Enhancing Governance, Standards, and Financial Insights (4/2024)
    • Hot Issue for Directors (HOT 4/2024)
    • Wisdom for Future: Harmonizing the Diverse Boards (2022)
    • Director Leadership Certification Program (DLCP 1/2021)
    • Ethical Leadership Program (ELP 23/2021)
    • Successful Formulation & Execution of Strategy (SFE 33/2020)
    • Board Nomination and Compensation Program (BNCP 7/2019)
    • Board Matters & Trends (BMT 7/2019)
    • Role of the Chairman Program (RCP 43/2018)
    • Advanced Audit Committee Program (AACP 29/2018)
    • Director Certification Program (DCP 249/2017)
  • Arranged by Other Institutions
    • Basic Trade Finance, Citicorp Singapore
    • Bourse Game, Citicorp Philippines
    • Communication, Assertiveness & Presentation Skills, Citicorp Thailand
    • Regional Credit Seminar, Citicorp South Korea
    • Management Analysis Course, Citicorp Singapore
    • Real Estate Technical Work Shop, Citicorp Australia
    • Fundamentals of Real Estate, Citicorp Singapore
    • Project Finance Real Estate, Citicorp USA
    • Managing People, Citicorp Thailand
    • Introduction to Private Banking Course, Citicorp Switzerland
    • Valuation & Restructuring, Citicorp Singapore
    • Corporate Governance for Directors and Senior Executives of Regulators,
      State Enterprises and Public Organizations, Class 18 (2018), Public Director Institute
Work Experiences in the Previous 5 Years (Year 2020 - 2025) and/or Important Positions
2019 - 2023 : Independent Director and Member of the Audit Committee, Thai Oil Public Company Limited/1
Current Positions
Other Listed Companies
2024 - Present : Advisor, Thai Oil Public Company Limited
2017 - Present : Independent Director; Chairman of the Audit, Environmental, Social Responsibilities, and Corporate Governance Committee; and Nomination and Remuneration Committee, Krungthai Card Public Company Limited
Non-listed Organizations
2005 - Present : Managing Director, Boathouse Hua Hin Company Limited

Notes : /1 Retired from the position from 10 April 2023 onwards.

Chayanan Pakdeejit, Ph.D.
Chayanan Pakdeejit, Ph.D.
Independent Director
Member of the Corporate Governance and Sustainability Committee
Age

49 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Directorship

27 February 2024

Education
  • Juris Scientiae Doctoris (Environmental Law), Washington University in St. Louis, Missouri, USA
  • Master of Laws (International Environmental Law), Indiana University Bloomington, Indiana, USA
  • Master of Laws (International & Comparative Law), University of Pittsburgh, Pennsylvania, USA
  • Bachelor of Law (2nd Class Honours), Chulalongkorn University
Important Trainings/Seminars
  • Arranged by Thai Institute of Directors Association
    • Director Accreditation Program (DAP 219/2024)
  • Arranged by Other Institutions
    • The Rule of Law for Democracy, Class 12 (2024), Office of the Constitutional Court
    • Executive Program in Energy Literacy for a Sustainable Future, Class 18 (2023), Thailand Energy Academy
    • Senior Executive Program, Class 9 (2022), Budget Bureau
    • Environmental Governance for Executive officer (EnGEO 8) (2021), Ministry of Natural Resources and Environment
    • Top Executive Program in Commerce and Trade (TEPCoT), (2020 - 2021), University of the Thai Chamber of Commerce
    • Civil Service Executive Development Programme, Ministry of Natural Resources and Environment, Class 1 (2020)
    • Senior Governing Executive Training Program Class 70 (2018), Prince Damrong Rajanubhab Institute, Ministry of Interior
    • Justice Executive Training Course, Class 8 (2016 - 2017), Office of Justice Affairs, Ministry of Justice
    • Security Psychology Course, Class 116 (2015 - 2016), Institute of Security Psychology, National Defence Studies Institute
    • Environmental Law and Policy (2009), United Nations Environment Programme
    • Application for Public Law Training Program, Class 26 (2008), Office of the Council of State and The Administrative Court
Work Experiences in the Previous 5 Years (Year 2020 - 2025) and/or Important Positions
2025 : Chairman of the Risk Management Committee, RATCH Group Public Company Limited/1
: Chairman of the Corporate Governance and Sustainability Committee, RATCH Group Public Company Limited/2
2024 - 2025 : Secretary General Office of Natural Resources and Environmental Policy and Planning/3
2024 - 2025 : Member of the Audit Committee, RATCH Group Public Company Limited
2023 - 2024 : Deputy Permanent Secretary, Office of the Permanent Secretary, Ministry of Natural Resources and Environment
2021 - 2023 : Assistant Permanent Secretary, Office of the Permanent Secretary, Ministry of Natural Resources and Environment
2020 - 2021 : Director of General Affairs Division, Ministry of Natural Resources and Environment
2017 - 2020 : Director of Aviation Division, Ministry of Natural Resources and Environment
2016 - 2017 : Legal Advisor, Expert Level, Ministry of Natural Resources and Environment
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Permanent Secretary Ministry of Natural Resources and Environment/4

Notes : /1          Effective from 24 June 2025 - 17 November 2025.
                            /2          Effective from 28 December 2024 - 20 August 2025.
                            /3          Effective from 28 December 2024 - 20 August 2025.
                            /4          Effective from 21 August 2025 onwards.

Mr. Borwornsak Wanich
Mr. Borwornsak Wanich
Independent Director
Member of the Human Resources and Remuneration Committee
Member of the Audit Committee
Age

65 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Directorship

23 April 2024

Education
  • Graduate Diploma in Public Law, Thammasat University
  • Bachelor of Laws, Thammasat University
Important Trainings/Seminars
  • Arranged by Thai Institute of Directors Association
    • Successful Formulation & Execution of Strategy (SFE 47/2025)
    • Director Accreditation Program (DAP 220/2024)
  • Arranged by Other Institutions
    • Advanced Strategic Management for Anti-Corruption Course, Class 10 (2019), Office of The National Anti-Corruption Commission
    • Senior Governing Executive Training Program Class 65 (2015), Prince Damrong Rajanubhab Institute, Ministry of Interior
    • Provincial Chief Public Prosecutor Course, Class 29 (2010), Office of the Attorney General
    • Training Program on Administrative Law and Administrative Court Procedure Accredited by Judicial Commission of the Administrative Court, Class 1 (2010), The Administrative Court of Thailand
Work Experiences in the Previous 5 Years (Year 2020 - 2025) and/or Important Positions
2017 - 2020 : Vice Governor of Kanchanaburi Province, Office of the Permanent Secretary Ministry of Interior
Current Positions
Other Listed Companies
None
Non-listed Organizations
None
Mr. Jiraroj Lanchanavanich
Mr. Jiraroj Lanchanavanich
Independent Director
Chairman of the Risk Management Committee
Member of the Audit Committee
Age

54 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Directorship

24 April 2025

Education
  • Master of Science in Information Systems (MSIS), STRAYER University, USA
  • Master of Science in Business Administration (MSBA), STRAYER University, USA
  • Bachelor of Business Administration (BBA) Majoring in Marketing, Assumption University
Important Trainings/Seminars
  • Arranged by Thai Institute of Directors Association
    • Advanced Audit Committee Program (AACP 58/2025)
    • Hot Issue for Director Topic: The Evolving Role of Audit Committee in Fostering Trust and Transparency (2/2025)
    • Director Certification Program (DCP 384/2025)
  • Arranged by Other Institutions
    • WorldSpan LAN System Intermediate Training Course, Northwest Airlines Company and Trans World Airlines, USA
    • 3P Software Training Program for Personal Evaluation System, One of William M. Mercer
    • Salsa 3.3, 3.4 Training Program for Producing the Survey Report System, One of William M. Mercer
    • Tesco Lotus Retail Academy, SASIN Graduate Institute of Business Administration, Chulalongkorn University
    • Personal Care Ingredients Asia Workshops - Marketing, Personal Care Ingredients Asia
    • Pocket MBA in Marketing, BrandAge
    • Advance Retail & Business Management, Class 25, ARM Academy
Work Experiences in the Previous 5 Years (Year 2020 - 2025) and/or Important Positions
2025 : Member of the Corporate Governance and Sustainability Committee, RATCH Group Public Company Limited /1
2020 - 2021 : Advisor to the Committee on Cosmetic Legislation, House of Representatives
1999 - 2001 : Assistant to Information Technology Director (Asia), Mercer (Thailand) Co., Ltd.
1998 : Information Technology Manager, William M. Mercer (Thailand) Co., Ltd.
1995 - 1998 : Assistant to Managing Director, Starlite Travel, Inc., USA
Current Positions
Other Listed Companies
None
Non-listed Organizations
2024 - Present : CEO, Garguar Lab Co., Ltd.
2015 - Present : Advisor to Directors, Round Two Solutions
2001 - Present : Group CEO, Standard Manufacturing Co., Ltd.

Notes : /1 Effective from 1 October 2025 - 17 November 2025.

Pol.Maj.Gen Wasan Techa-akarakasem
Pol.Maj.Gen Wasan Techa-akarakasem
Independent Director
Chairman of the Corporate Governance and Sustainability Committee
Age

55 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Directorship

24 April 2025

Education
  • Master of Public Administration (Public Administrative), Southeastern University, USA
  • Bachelor of Laws, Ramkhamhaeng University
  • Bachelor Degree in Public Administration, Royal Thai Police Cadet Academy, Class 46
Important Trainings/Seminars
  • Arranged by Thai Institute of Directors Association
    • Director Certification Program (DCP 384/2025)
  • Arranged by Other Institutions
    • National Defence Course, Class 66 (2023), National Defence College
    • Senior Executive Program in Criminal Justice Administration, Class 26 (2021), Judicial Training Institute
    • Senior Police Administration Course, Class 40 (2015), Police College
    • Superintendent Course, Class 61 (2008), Police College
    • Administrative Course, Class 20 (1998), Police College
Work Experiences in the Previous 5 Years (Year 2020 - 2025) and/or Important Positions
2022 - 2023 : Deputy Commissioner of Provincial Police Region 8, Provincial Police Region 8
2021 - 2022 : Commander of Investigation Division 1, Investigation Division 1
2020 - 2021 : Commander of Foreign Affair Division, Foreign Affair Division, Royal Thai Police
Current Positions
Other Listed Companies
None
Non-listed Organizations
2023 - Present : Deputy Commissioner of Metropolitan Police Bureau, Metropolitan Police Bureau