Board of Directors

Starting Date

• Independent Director: 1 January 2023
• Member of the Nomination and Remuneration Committee: 3 April 2023
• Member of the Corporate Governance and Sustainability Committee: 31 March 2025

% of Shareholding

- None - / Spouse - None -

Family Relationship among Director and Executives

- None -

Education

• Master of Engineering (Mechanical), Stevens Institute of Technology, New Jersey, U.S.A.
• Bachelor of Science, Chulachomklao Royal Military Academy

Holding Directorship or Executive Positions in Companies Listed in the Stock Exchange of Thailand / or not more than 3 Organizations in which a State Enterprise is the Shareholder (not exceeding 5 entities in total)

- None -

Holding Directorship or Executive Positions in a Business Entity Not Listed in the Stock Exchange of Thailand

- None -

Useful Past Experiences for PTTEP

• 2022 – 2023 Director, Metropolitan Electricity Authority
• 2022 – 2022 Chairman of the Nomination and Remuneration Committee, PTT Global Chemical Public Company Limited
• 2021 – 2022 Assistant Chief of Staff Officer to Minister of Defence, Ministry of Defense
• 2020 – 2021 Staff Officer, Ministry of Defence
• 2019 – 2022 Director to Nomination and Remuneration Committee, PTT Global Chemical Public Company Limited
• 2019 – 2020 Expert, Royal Thai Army
• 2018 – 2019 Assistant General Director, 2nd Coordination Centre, Office of Internal Security Coordination, Royal Thai Army
• 2014 – 2022 Independent Director and Director to the Corporate Governance and Sustainability Committee, PTT Global Chemical Public Company Limited

Training of Thai Institute of Directors Association

• Risk Management Program for Corporate Leaders Class (RCL) 34/2024
• Refreshment Training Program: The Business Case and Ethics of AI: A Board’s Imperative (RFP) 12/2023
• Director Leadership Certification Program (DLCP) 8/2022
• Board that Make a Difference (BMD) 9/2019
• Driving Company Success with IT Governance (ITG) 5/2017
• IOD Talk 2/2017 "Cyber Security: Risks, Liabilities, and Best Practices"
• Role of the Nomination and Governance Committee (RNG) 8/2016
• Director Certification Program (DCP) 200/2015

Other Training

• Internal Lectures by PTTEP on Decarbonization
• Internal Lectures by PTTEP on Sustainability
• The Executive Program in Energy Literacy for a Sustainable Future (Class 18), Thailand Energy Academy

Vision in managing the Company's business

PTTEP engages in upstream industry which is important to other businesses and the country. PTTEP’s management proficiency along with its expertise in petroleum exploration and production are essential values of the Company. It is necessary that PTTEP maintains the balance of exploration and production activities in each period by considering risk factors in its operations, Mega Trend, and global environment that is currently heading to the direction of energy consumption reduction and energy transition. PTTEP must adapt to maintain proper balance while continuing to make business profit by using technology to enhance work efficiency as well as seeking for opportunity to utilize its capability in other upstream industries.

Vision in performing duties that comply with Good Corporate Governance of PTTEP

Director must adhere to the good corporate governance in all aspects such as integrity, diligence, and transparency, and be mindful of benefits of the Company, shareholders, and employees. Director must properly value the importance of all groups of stakeholders to maintain the balance between risks, sustainability, and environment. Director must endeavor to make decision that is most beneficial to the Company.