IRPC One Report EN

Mr. Woravuth Sivapetranart Age: 58 Years Appointed Positions: Acting Senior Executive Vice President, Innovation and Operation Excellence/ Senior Executive Vice President, Petrochemical and Refinery Operation Date of being an Acting Senior Executive Vice President, Innovation and Operation Excellence 1 May 2021 Years of being an Acting Senior Executive Vice President, Innovation and Operation Excellence 7 Months Date of being a Senior Executive Vice President, Petrochemical and Refinery Operation 1 March 2019 Years of being a Senior Executive Vice President, Petrochemical and Refinery Operation 2 Years 9 Months Possession of IRPC shares (%) No. of share IRPC: 279,351 Share Possession: 0.00137% Family relationship within the Company, major shareholder or subsidiaries None Education/ Training • Bachelor of Science (Chemistry), Prince of Songkla University • Master of Business Administration (Business Administration), Chulalongkorn University • MINI MBA Thammasat University • GE Global Customer Summit, ASEAN Executive Program, Crotonville, USA • Leadership Development Program III, PTT Leadership and learning Institute • Senior Executive Program (SEP), Class 32, Sasin Graduate Institute of Business Administration of Chulalongkorn University • Advanced Management Program 3 (AMP3), PTT Leadership and learning Institute • Executive Energy Management Program (EEM), Season 3, Ministry of Energy • The Role of the Board in IT Governance, Year 2020, Thai Institute of Directors Association (IOD) • Director Certification Program (DCP), Class 281/2019, Thai Institute of Directors Association (IOD) Work Experience within the past 5 years Jan. 2019 - Feb. 2019 Senior Execut i ve Vice President , Petrochemical & Refinery Business Unit, IRPC Public Company Limited Jan. 2017 - Dec. 2018 Executive Vice President, Refinery and Petrochemical Operation, IRPC Public Company Limited 2014 - 2016 Executive Vice President, Technology & Operational Excellence, IRPC Public Company Limited Current Position Board Member/ Management in Listed Company - The Stock Exchange of Thailand May 2021 - Present Acting Senior Executive Vice President, Innovation and Operation Excellence, IRPC Public Company Limited Mar. 2019 - Present Senior Executive Vice President, Petrochemical and Refinery Operation, IRPC Public Company Limited Board Member/ Management in Non-Listed Company - The Stock Exchange of Thailand May 2021 - Present Director, IRPC Oil Company Limited Mar. 2021 - Present Director, Rayong Acetylene Company Limited Mar. 2019 - Present Director, WHA Industrial Estate Rayong Company Limited Mar. 2019 - Present Director, IRPC Clean Power Company Limited Mar. 2017 - Present Director, IRPC Polyol Company Limited Apr. 2017 - Present Director, IRPC A&L Company Limited 48 IRPC PUBLIC COMPANY LIMITED 56-1 ONE REPORT 2021

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