IRPC Annual Report 2023

Miss Arisara Suthasut Age: 48 Years Appointed Positions Executive Vice President, Corporate Affairs and Company Secretary Date of being an Executive Vice President, Corporate Affairs and Company Secretary 1 October 2019 Years of being an Executive Vice President, Corporate Affairs and Company Secretary 4 Years 3 Months Possession of IRPC shares (%) No. of share “IRPC”: 2,200 Share Possession 0.00001% Family relationship within the Company, major shareholder or subsidiaries None Education/Training • Bachelor of Engineering (Chemical Engineering), Kasetsart University • Master of Science, Petrochemical Technology, The Petroleum and Petrochemical College, Chulalongkorn University • Leadership Development Program 2, Class 5/2022, PTT Leadership and Learning Institute (PLLI) • Executive Energy Program (EEP), Class 5/2020, The Institute of Industrial Energy • The Role of the Board in IT Governance, Year 2020, Thai Institute of Directors Association (IOD) • Director Certification Program (DCP), Class 323/2022, Thai Institute of Directors Association (IOD) • Company Secretary Program (CSP), Class 106/2020, Thai Institute of Directors Association (IOD) Work Experience within the past 5 years Jan. 2020 - Dec. 2020 Acting Executive Vice President, Corporate Sustainability Management, IRPC Public Company Limited 2018 - Sep. 2019 Director, Corporate Management Department, PTT Tank Terminal Company Limited 2013 - 2019 Division Manager, Downstream Business, PTT Public company Limited 2013 - 2017 Division Manager, Business Development Department, IRPC Public Company Limited Current Position Board member/Management in Listed Company - The Stock Exchange of Thailand Oct. 2019 - Present Executive Vice President, Corporate Affairs and Company Secretary, IRPC Public Company Limited 2019 - Present Department Manager, Chief Operation Office Downstream Petroleum Business, PTT Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand Oct. 2019 - Present Director, IRPC Technology Company Limited Oct. 2019 - Present Director, Sarn Palung Social Enterprise Company Limited 50 Management Team, IRPC Public Company Limited IRPC Public Company Limited

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