IRPC Annual Report 2023

Mr.Surachai Toaphicharttrakul Age: 58 Years Appointed Positions Senior Vice President, Corporate Accounting Possession of IRPC shares (%) No. of share “IRPC”: 14,719 Share Possession: 0.00007% Family relationship within the Company, major shareholder or subsidiaries None Education/Training • Bachelor of Business Administration. (Accounting), Ramkhamhaeng University • Master of Business Administration (Accounting for Planning and Control), Kasetsart University • Mini MBA - Faculty of Commerce and Accountancy, Thammasat University • Advanced Management Program (AMP) 2 – People Management • Lead Management Program – McKinsey Academy • Digital Leadership Acceleration Program – BCG • Director Certification Program (DCP), Class 347/2023, Thai Institute of Directors Association (IOD) • Subsidiary Governance Program (SGP), Class 5/2023, Thai Institute of Directors Association (IOD) Continuing Professional Development in Accounting 2023 Curriculum : Case studies found from the auditor's audit of accounts, Errors in accounting that accountants must not mistake. Academy : Dharmniti Seminar and Training Co., Ltd. Number of hours : 6 hours Curriculum : Cost management and measuring strategic performance for sustainability Academy : NYC Management Co., Ltd. Number of hours : 7 hours 2022 Curriculum : Accounting of hedging instruments and examples of understanding Academy : NYC Management Co., Ltd. Number of hours : 7 hours Curriculum : TFRS 9 year 2022 (for non-financial organizations) Principles and issues of interest Academy : NYC Management Co., Ltd. Number of hours : 7 hours 2021 Curriculum : Cost accounting theory Academy : Department of Business Development, Ministry of Commerce Number of hours : 6 hours Curriculum : Accounting, documentation and financial reporting systems Academy : Dharmniti Seminar and Training Co., Ltd. Number of hours : 6.30 hours Curriculum : Accounting Cryptocurrencies & Update TFRS Academy : Deloitte touche tohmatsu jaiyos audit Co., Ltd. Number of hours : 5.30 hours Work Experience within the past 5 years 2013 - 2021 Vice President - Accounting. IRPC Public Company Limited. 1997 - 2013 Department Manager - Financial Statement and Accounting Policy. IRPC Public Company Limited Current Position Board member/Management in Listed Company - The Stock Exchange of Thailand 2022 - Present Senior Vice President, Corporate Accounting, IRPC Public Company Limited 2021 - Present Senior Vice President, Accounting and TAX Operation, IRPC Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand 2023 - Present Director, IRPC OIL Company Limited 2017 - Present Director, IRPC Technology Company Limited 2017 - Present Director, Rakpasak Company Limited 51 Management Team, IRPC Public Company Limited 56-1 ONE REPORT 2023

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