Investor Presentaiton

3 CORPORATE GOVERNANCE CONSISTENCY EGCO has a strong journey in sustainability • ENVIRONMENTAL Responsible to Climate Change • . SOCIAL Implement Human Capital Mgmt. Create Talent Attraction and Retention Support Occupational Health and Safety 7 GOVERNANCE • Operate businesses in accordance with Corporate Governance principles YEARS 33 EGCO GROUP 2003 • Introduced the first code of conduct • Operated the first 2000 Signed the first PPA on a biomass power biomass power plant plant 2010 2002 Established the Thai Conservation of Forest Foundation 2007 Publication of EGCO Group's first SD Report Declaration of Anti-Corruption Operated the first hydro power plant S • 2015 • Member of Thailand's Private Sector Collective Action Coalition Against Corruption Listed in SET THSI Index 2019 Invested in Fuel • 2021 • Cell Power Plant Invested in Oil Pipeline distribution business Listed in DJSI Emerging Markets Index - 2nd consecutive year Member of Dow Jones Sustainability Indices Powered by the S&P Global CSA Listed in SET THSI Index - 7th consecutive year THS THAILAND INVESTMABILITY 2021 Operated the first 2012 • • solar power plant Achieved 10% RE portfolio 2014 Operated the first geothermal power plant 2011 Publication of the first SD Report in accordance with Global Reporting Initiative 2013 Operated the first wind power plant THSI THAILAND SUSTAINABILITY INVESTMENT 2015 2018 • Organized the first • supplier day and Innovation Team Challenge Achieved 20% RE portfolio 2020 Listed in DJSI Emerging Markets Index Member of Dow Jones Sustainability Indices Powered by the S&P Global CSA 2022 Silver Class Distinction in Sustainability Award from S&P Global SET THSI Index for 8th consecutive year Sustainability Award Silver Class 2022 S&P Global THSI THAILAND SUSTAINABILITY INVESTMENT 2022 DJSI for 3rd Consecutive Year Member of Dow Jones Sustainability Indices Powered by the S&P Global CSA 24

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