Audit Committee

Nationality: Thai

Age: 64 years

First appointment date: 23 August 2016

Tenure (as of 31 December 2025): 9 years 4 months

Education

• Doctor, Communication Management Program, Suan Dusit University
• Master degree of Science Technical Education in Industrial Business, King Mongkut ’s Institute of Technology North Bangkok
• Highest Certificate of Auditing, Thammasart University
• Certified Public Accountant No. 3733
• Bachelor of Accounting, Thammasart University

Training

Thai Institute of Directors Association (IOD)

• 2025 ESG in mitigation
• 2025 ESG in the Boardroom; A Practical Guide for Board Class 12/2025 (ESG)
• 2024 Maximizing Performance Through Mind-Body Wellness
• 2023 Director Leadership Certification Program Class 10/2023 (DLCP)
• 2022 Chairman Forum 2022 “Chairing The Unknown Future“
• 2020 Strategic Board Master Class 8/2020 (SBM)
• 2020 Business Adaptation Course to Support the Transition into the Digital Economy Era
• 2019 Ethical Leadership Program Class 16/2019 (ELP)
• 2017 Strategic Board Master Class 1/2017 (SBM)
• 2013 Successful Formulation and Execution of Strategy Class 17/2013 (SFE)
• 2008 Role of the Chairman Program Class 18/2008 (RCP)
  Monitoring the Internal Audit Function Class 2/2008 (MIA)
  Monitoring the System of Internal Control and Risk Management Class 3/2008 (MIR)
  Chartered Director Class, Class 3/2008 (CDC)
• 2007 Quality of Financial Reporting Class 5/2007 (QFR)
• 2005 Director Diploma Examination 18/2005 (Fellow Member)
  Audit Committee Program Class 5/2005 (ACP)
  Director Certification Program Class 53/2005 (DCP)
• 2004 Director Accreditation Program Class 28/2004 (DAP)

Other

• Leadership program, Trading and Commerce, TEPCOT 7/2014
• Certificate of The Executive Program in Energy Literacy for a Sustainable Future, Thailand Energy Academy (TEA), Class 4 2014
• National Defence Course in private sector (2011), National Defence College
• Capital market academy course Class 11/2010, Capital Market Academy
• Politics and Governance in Democratic-Systems for Executive Class 10/2007, King Prajadhipok’s Institute

Percent of shares held in the Company including the number of shares held by spouse and minor children, as of 31 December 2025

• 0 shares or equivalent to 0.00%

Legal offense record in the past 10 years

• -None-

Family Relations among directors and management

• -None-

Experience

Present	Director	Namyong Terminal PLC.
Present	Chairwoman of the Audit Committee	Namyong Terminal PLC.
Present	Independent Director	Namyong Terminal PLC.

Other present positions

Listed Companies

Present	Vice Chairman	Siam City Cement PLC.
Present	Chairwoman of the Audit Committee	Siam City Cement PLC.
Present	Independent Director	Siam City Cement PLC.
Present	Chairwoman of the Audit Committee	B.Grimm Power PLC.
Present	Member of the Nomination and Compensation Committee	B.Grimm Power PLC.
Present	Independent Director	B.Grimm Power PLC.
Present	Chairwoman of the Board of Directors	T. Man Pharmaceutical Plc.
Present	Chairman of the Risk management Committee	T. Man Pharmaceutical Plc.
Present	Independent Director	T. Man Pharmaceutical Plc.
Present	Chairwoman of the Audit Committee	Stecon group Plc.
Present	Independent Director	Stecon group Plc.

Companies/Other entities

2022 - Present	Director	Bellugg Group Co., Ltd.
2022 - Present	Director and treasurer	Foundation For Good Governance on Medicine
2022 - Present	Director	Faculty of Medicine Chulalongkorn University Foundation
2022 - Present	Director	Physicians of Thailand Foundation
2015 - Present	Director	CPA Associate (Thailand) Co., Ltd.

Past Professional Experience

2025	Member of the Audit Committee	Stecon group Plc.
2025	Member of the Audit Committee	B.Grimm Power PLC.
2024	Director	Areya Property Plc.
2022	Chairwoman of the Audit Committee	SENA J Property Plc.
2022	Independent Director	SENA J Property Plc.
2018	Advisor to Board of Directors	JSSR Machinery
2015	Insist on the physical side, consultants Use of space and the environment	The National Legislative Assembly
2015	Chairman of the Subcommittee to examine the Education Fund Senior Director of Accounting Education Fund Committee	The Ministry of Finance
2015	Senior Director of Accounting Education Fund Committee	The Ministry of Finance
2014	Commissioner, Tourism and Sports	The House of Representatives
2013	Advisor to the Deputy Minister of Education	Minister of Education
2013	Executive Director	AMC Medical Center (Thailand) Co., Ltd.
2011	Association of Parents and Teachers	Mater Dei School
2011	Director of Program HRH Princess Maha Chakri Sirindhorn Medical Center	Srinakharinwirot University
2011	Director and Secretary	Maha Chakri Sirindhorn Royal Fund for Under privileged patients
2011	Committee of experts on the operating committee HRH Princess Maha Chakri Sirindhorn Medical Center	Srinakharinwirot University

Nationality: Thai

Age: 75 years

First appointment date: 13 September 2011

Tenure (as of 31 December 2025): 14 years 3 months

Education

• Doctor of Public Administration, Bangkokthonburi University
• Master of Science (HRD), University of Manchester, United Kingdom
• Bachelor of Education, Chulalongkorn University

Training

Thai Institute of Directors Association (IOD)

• Audit Committee Program (ACP) Class 37/2011
• Successful Formulation & Execution of Strategy Program
  (SFE) Class 12/2011
• Director Certification Program (DCP) Class 136/2010

Percent of shares held in the Company including the number of shares held by spouse and minor children, as of 31 December 2025

• 0 shares or equivalent to 0.00%

Legal offense record in the past 10 years

• -None-

Family Relations among directors and management

• -None-

Experience

Present	Director	Namyong Terminal PLC.
Present	Chairwoman of the Nomination, Compensation and Corporate Governance Committee	Namyong Terminal PLC.
Present	Member of the Audit Committee	Namyong Terminal PLC.
Present	Independent Director	Namyong Terminal PLC.

Other present positions

Listed Companies

• -None-

Companies/Other entities

Present

Member

Office of the Council State

Past Professional Experience

2018 - 2026	Member of National Reform Steering Assembly	The House of Representatives
2015 - 2017	Member of National Development Steering Assembly	The house of Representatives
2014 - 2015	Member of National Reform Steering Assembly	The house of Representatives
2010 - 2011	Assistant Minister	Office of the Prime Minister
2009 - 2010	Secretary	Office of the civil service commission

Nationality: Thai

Age: 70 years

First appointment date: 19 April 2024

Tenure (as of 31 December 2025): 1 year 8 Months

Education

• Master of Administration (Finance) Scranton University, USA
• Bachelor degree of Engineering (Industry) Chulalongkorn University

Training

Thai Institute of Directors Association (IOD)

• Director Accreditation Program (DAP) Class 34/2005
• Director Certification Program (DCP) Class 58/2005

Percent of shares held in the Company including the number of shares held by spouse and minor children, as of (31 December 2025)

• 0 shares or equivalent to 0.00%

Legal offense record in the past 10 years

• -None-

Family Relations among directors and management

• -None-

Experience

Present	Director	Namyong Terminal PLC.
Present	Member of the Audit Committee	Namyong Terminal PLC.
Present	Independent Director	Namyong Terminal PLC.

Other present positions

Listed Companies

2012 - Present	Chairman of the Nomination and Remuneration Committee	Taokaenoi Food & Marketing Plc.
2012 - Present	Member of the Audit Committee	Taokaenoi Food & Marketing Plc.
2012 - Present	Independent Director	Taokaenoi Food & Marketing Plc.

Companies/Other entities

• -None-

Past Professional Experience

2022 -2024	Chairman of the Board of Directors	Just Asset Management Co., Ltd.
2016 - 2023	Chairman of the Audit Committee and Independent director	Quick Leasing Co., Ltd.
2018 - 2018	Executive director	P-Mart Superstore Co., Ltd.
1998 - 2015	Deputy managing director	Bangkok Bank Plc.
2013 - 2013	Director	Rosant Biological Technology Co., Ltd.
1997 - 1998	Director	Ruam-sermkij Co., Ltd.
1996 - 1997	Analyst / Financial and Investment advisor	Asian Engineering Consultant Co., Ltd.
1992 - 1996	Managing director	Thaiken paper Co., Ltd.
1991 - 1992	Managing director	Goldenthai Agriculture group Co., Ltd.
1983 -1991	Finance and Business development associate director	Coopers & Lybrand
1980 - 1981	Assistance manager	Siam Steel Co., Ltd.
1979 - 1980	Assistance manager	BIS Motors Co., Ltd.