IRPC Annual Report 2023

Management Approach Climate Governance To ensure the systematic implementation of climate actions, IRPC has established a comprehensive climate change management structure that extends from the board to operational levels. The Board has defined overarching goals, directions, and policies for climate change management. Meanwhile, The Corporate Governance and Sustainability Committee, along with the Risk Management Committee (RMC), is tasked with overseeing and assessing the effectiveness of governance related to climate risks and opportunities. At the management level, the Management Committee (MC) has the responsibility of determining and reviewing sustainability policies, approaches and goals as well as considering implementing guidelines based on the Board’s directives. The MC actively collaborates with the Sustainable Development Committee (SDC) in shaping IRPC’s sustainability strategies and directions, and the SDC provides quarterly performance summaries and reports to the Corporate Governance and Sustainability Committee. In driving implementation, the SDC has commissioned the Corporate Strategy and Sustainability Department to carry out climate change-related initiatives in alignment with the set goals and strategies. The department also reports the results of operations to the SDC for continuous improvement. Additionally, the Greenhouse Gas Reduction in tCO2eq is set as an indicator for performance assessment among staff of all levels from the President to employees in the production line and supporting of related production lines. The performance is reported to the Management Committee in management level and Corporate Governance and Sustainability Committee, in Board of Directors level. As for the reduction of the greenhouse emission which is considered as an indicator for the operation unit, the result is reported to the Environmental Management Committee and the Management Committee of Rayong Management Committee. The sustainability development committee will directly report to CGSC board level, and any linkage topic will report to MC President & CEO Board of Directors Working team Monthly report to Monthly report to Quarterly report to Weekly Quarterly report to Climate-related risks and opportunities - Physical risk - Transition risk Risk Management and Internal Control Committee (RMCC) Management Committee (MC) Management Corporate Sustainability and Strategic Planning Development SDC Governance Structure Risk Management Unit Sustainability Development Unit Audit Committee Risk Management Committee Nomination and Remuneration Committee Corporate Governance and Sustainability Committee Board of Directors Sustainability Development Committee (SDC) 131 Business-Driven Sustainability 56-1 ONE REPORT 2023

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