Miss Wanida Utaisomnapa Age: 57 Years Appointed Positions Senior Executive Vice President, Corporate Commercial and Marketing Date of being a Senior Executive Vice President, Corporate Commercial and Marketing Starting Date 1 January 2019 Years of being a Senior Executive Vice President, Corporate Commercial and Marketing Starting Date 5 Years Possession of IRPC shares (%) No. of share “IRPC”: 210,440 Share Possession: 0.00103% Family relationship within the Company, major shareholder or subsidiaries None Education/Training • Bachelor of Business Administration (Finance with second class honors), Bangkok University • Master of Business Administration (Finance and Marketing), National University, San Diego, USA • PLLI Leadership Development Program, IMD, Singapore • Advance Management Program, DDI • Leadership/The 7 HABITS of Highly Effective People, PacRim/FranklinCovey • PTT-HBS Leadership Development Program Class 1, Harvard Business School, India&China • Refinery Economics, Solomon Associates, Singapore • Advance Price Risk Management, Invincible Energy, Singapore • The Board’s Role in Strategic Formulation, Governance Matters Australia • The Role of the Board in IT Governance, Year 2020, Thai Institute of Directors Association (IOD) • Director Certification Program (DCP), Class 315/2022, Thai Institute of Directors Association (IOD) Work experience within the past 5 years Apr. 2019 - Dec. 2021 Director, IRPC Polyol Company Limited Nov. 2018 - Mar. 2023 Director, IRPC OIL Company Limited Nov. 2018 - Mar. 2019 Director, IRPC Clean Power Company Limited Oct. 2018 - Dec. 2018 Executive Vice President, Strategic Transformation and Result Delivery Office, IRPC Public Company Limited Feb. 2015 - Dec. 2018 Secretary of the Risk Management Committee, IRPC Public Company Limited Jan. 2015 - Dec. 2018 Executive Vice President, Corporate Business Planning, IRPC Public Company Limited Current Position Board member/Management in Listed Company - The Stock Exchange of Thailand Jan. 2019 - Present Senior Executive Vice President, Corporate Commercial and Marketing, IRPC Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand Feb. 2022 - Present Chairman, Ipolymer Company Limited Jan. 2023 - Present Director, WHA Industrial Estate Rayong Company Limited Jan. 2023 - Present Chairman, IRPC A&L Company Limited Dec. 2022 - Present Director, Ipolymer Company Limited Jul. 2020 - Present Director, Mytex Polymers (Thailand) Company Jul. 2019 - Present Director, Guangzhou Saiju Performance Polymer Company Limited Mar. 2019 - Present Director, IRPC A&L Company Limited Jan. 2019 - Present Director, UBE Chemicals (Asia) Public Company Limited 48 Management Team, IRPC Public Company Limited IRPC Public Company Limited
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