BANPU CLIMATE CHANGE REPORT 2024

Mr. Piriya Khempon • Chairman of The Environment, Social and Governance (ESG) Committee • Member of the Corporate Governance and Nomination Committee Education/Training • Master of Science (International Re l at i ons) , London Schoo l of Economics University of London, United Kingdom • Top Executive Program in Energy (TEA) #7, Thailand Energy Academy • Financial Statement for Directors (FSD) #45/2022, Thai Institute of Directors Association (IOD) • The Board ’ s Ro l es i n Cl imate Governance (BCG), Thai Institute of Directors Association (IOD) Mr. Pichai Dusdeekulchai • Member of The Environment, Social and Governance (ESG) Committee • Member of the Audit Committee Education/Training • Master of Business Administration (MBA), Ashland University, Ohio, U.S.A. • TLCA Leadership Development Program (LDP) #1 , Thai Li sted Companies Association • Advance Audit Committee Program (ACCP) • The Board ’ s Ro l es i n Cl imate Governance (BCG), Thai Institute of Directors Association (IOD) Mr. Teerapat Sanguankotchakorn • Member of The Environment, Social and Governance (ESG) Committee • Member of the Compensat i on Committee Education/Training • Doctor of Philosophy Program in Information Processing, Tokyo Institute of Technology • Director Certification Program (DCP) #148/2011, Thai Institute of Directors Association (IOD) • Advance Audit Committee Program (AACP) #14/2014, Thai Institute of Directors Association (IOD) • The Board ’ s Ro l es i n Cl imate Governance (BCG), Thai Institute of Directors Association (IOD) Banpu is dedicated to a rigorous selection process for Directors and Committees. The company has established comprehensive and detailed qualifications to support this selection. Candidates must meet all listed requirements, including general criteria and specific expertise relevant to each position. Board of Director Role and Responsibility The Board of Directors monitors, manages, and resolves the climate-change risks through the ESG Committee and Audit Committee. In practice, the Board of Directors and management held a joint discussion to review and approve the strategic plan and business direction aligning with sustainable development plan to determine business strategies, considering and approving a new strategy which is “Energy Symphonics”. The main focus is on Decarbonization, Gas-Power-CCUS, Renewable+, and Next-gen Mining. Meeting Frequency Monthly ESG Committee Role and Responsibility Climate Change tasks are included under the direct responsibility of the ESG Committee, which is appointed by the board of directors. ESG committee consists of 3 independent members from the Board of Directors and one of them acts as a chairman of the committee. Climate-related tasks handled by this committee include reviewing, monitoring and evaluating of ESG-related policies, targets, operations, performance, risks and opportunities. This includes oversight of other climate-related topics such as GHG emission, mitigation, adaptation, and low-carbon investment. Furthermore, the committee also has tomonitor stakeholder engagement, materiality assessment, and cooperation with other management teams. Meeting Frequency Quarterly Audit Committee Role and Responsibility Audit Committee consists of 3 independent members from the Board of Directors and one of them acts as a chairman of the committee. Some Climate-related tasks are handled by the Audit Committee including setting up working standards for operation team to comply with, doing preliminary auditing before handing it over to external 3rd party auditor and oversight of climate-related risk including climate-related regulation change, strategic risk as well as risk mitigation plan for each business unit. Moreover, the committee is also responsible for the nomination of external auditors according to Banpu’s assessment criteria. Meeting Frequency Quarterly Risk Management Committee (RMC) Role and Responsibility The RMC role is to review, manage and monitor the Company’s riskmanagement and report to Audit Committee. Climate-related risk is one of the risks that is integrated into our Enterprise Risk Management. Meeting Frequency Quarterly SD Committee Role and Responsibility Climate-related issues have been taken into consideration by SD committee, including target setting, performance monitoring, and roadmap to achieve target. Meeting Frequency Quarterly Chief Executive Officer (CEO) Role and Responsibility The CEO is responsible for monitoring GHG emission reduction performance and other cl imate-related issues for both corporate-wide and country level we have operations. It includes performance reviewmeetings including GHG emission. The CEO is also responsible for ensuring and closely monitoring that the GHG emission performance will be achieved against our target. He is also responsible for considering and making decisions to announce internal carbon pricing for a new business investment to align with our New Strategy, Energy Symphonics. Meeting Frequency Monthly Climate Change Committee Role and Responsibility The Climate Change Committee handled overall climate-related issues such as ensuring decarbonization target achievement, identifying resources needed to achieve decarbonization target, assess climate-related risks and opportunities, manage working team to guarantee effective result andmitigation plan and report climate-related performance to upper management team. Meeting Frequency Quarterly Decarbonization Role and Responsibility The primary responsibilities of the decarbonization team include collecting, calculating, and preparing data on greenhouse gas emissions and energy usage for management. They also research and communicate appropriate mitigation plans, solutions, and projects to business units and management. Additionally, monitoring the achievement of targets is crucial to ensure optimal performance. Meeting Frequency Monthly Mining Decarbonization Role and Responsibility This team works closer and deeper to the mining units globally. The team is also focusing more on the implementation of initiatives to reduce greenhouse gas and energy usage in the mining operation. Meeting Frequency Monthly Performance Evaluation of CEO and Senior Management Establishing the CEO’s Key Performance Indicators (KPIs) is a critical process overseen by the Board of Directors, with the Compensation Committee playing a vital role in the initial review. The focus dedicated on the commitment to ESG accounts for 15% of the total KPIs. Within the ESG category, specific KPIs cover critical sustainability metrics, such as GHG emissions intensity reduction, occupational fatality and injury rate, and significant corporate governance compl a i nts . The Compensation Committee evaluates the CEO’s performance against these KPIs and proposes to the Board of Directors for final consideration. In parallel, the KPIs for senior executives are directly alignedwith theseCEO’sKPIs, inwhichperformance is evaluated by the CEO. Climate Change Report 2024 Climate Change Report 2024 16 17 Introduction Governance Strategy Risk Management Metrics & Targets Looking Ahead

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