IRPC Annual Report 2023

Eligible Green Projects Floating Solar Impact indicators • % Annual reduction in energy consumption from conventional power plant • Annual reduction in GHG emission (unit: tonnes of CO2 equivalent) • Annual renewable energy generation or installed capacity (unit: Mwh) Phase1: • Reduce 8.7% from conventional power plant. • 9,459 tonnes of CO2 equivalent • 12.5 Mwh Impact indicators • % Annual reduction in energy consumption from conventional power plant • Annual reduction in GHG emission (unit: tonnes of CO2 equivalent) • Annual renewable energy generation or installed capacity (unit: Mwh) Phase 2: • Reduce 5.8% from conventional power plant. • 6,254 tonnes of CO2 equivalent • 8.5 Mwh Remark: The method for calculation is derived from Thailand Greenhouse Gas Management Organization: https://ghgreduction.tgo.or.th/th/download-tver/120-tvergwp-emission-factor/353-2564.html (ค่าการปล่อยก๊าซเรือนกระจก (Emission Factor) จากระบบสายส่ง และจากการผลิตความร้อนสำ �หรับโครงการและกิจกรรมลดก๊าซเรือนกระจก) IRPC GREEN PROJECT IMPACT IRPC has summarized the impact of the green debenture portfolio by category from environmental perspective as of December 31st, 2023. Performance Summary In 2023, a target of direct and indirect GHG emissions was set at not more than 4.45 million tCO2eq and the 2023 performance shows emitted 3.60 million tCO2eq which is under target, due to energy efficiency project and process improvement initiatives. Performance Indicator Performance 2020 Performance 2021 Performance 2022 Performance 2023 Direct greenhouse gas emissions (Scope 1) (million tCO2eq) 3.712 3.946 3.271 3.16 Indirect greenhouse gas emissions (Scope 2) (million tCO2eq) 0.341 0.341 0.402 0.44 Other indirect greenhouse gas emissions (Scope 3) (million tCO2eq) 16.560 14.906 12.3 18.11 GHG Emission Intensity (tCO2eq/Ton of production) 0.342 0.362 0.333 0.316 142 Business-Driven Sustainability IRPC Public Company Limited

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