IRPC Annual Report 2023

Emission Reduction Programs IRPC continues to improve the energy efficiency in the production process, striving to maximize the utilization of natural resources while minimizing environmental impact. This commitment involves improving efficiency in heat and steam management, reducing electricity consumption, enhancing logistic management, as well as engaging in collaborative initiatives with PTT Group. IRPC has implemented a program covering two categories of activities aimed at energy saving and CO2 emission reduction. These consist of Operational Control projects and Process Improvement projects (includes additional equipment installation projects). • Operational Control Projects, covering reduction of electricity consumption, reduction of internal heat loss and steam consumption in the operation process. • Process Improvement Projects, covering equipment installation, electricity production facilities improvement. Furthermore, IRPC invested 550 THB million of capital expenditure in the Floating Solar Power project in 2020. This project aims to generate electricity for a polypropylene (PP) plant in the IRPC Industrial Zone. With a continuous 24-hour operation, the project has an expected 25–30-year operational lifetime. It is an initial clean energy project to expand our business which has a generation capacity of 12.5 megawatts in 2020. Resulting in GHG reduction of approximately 10,510 tons of carbon dioxide per year. Carbon emissions management certification IRPC has made a commitment to play an active role in the efforts to reduce greenhouse gas emissions at the national level and international level as a participant in the Conference of Parties to the UN Framework Convention on Climate Change. It has applied for Carbon Footprint of the Organization (CFO), Carbon Footprint of Corporate Products (CFP) and Carbon Reduction Label certification, to manage the reduction of carbon emissions from the company’s operations, reduce resource costs, and create new opportunities for growth and competitive edge. For nine consecutive years, IRPC has participated in the Carbon Footprint for Organization (CFO) project, organized by the Federation of Thai Industries with financial support from Thailand Greenhouse Gas Management Organization (TGO). The project aims to reduce GHG emissions from various organizational activities, such as electricity consumption, waste management and transportation. In 2023, IRPC obtained the Carbon Footprint Reduction Label certification from the TGO as follows: 1) ABS & SAN & CCM 2) EPS 3) Refinery & Condensate 135 Business-Driven Sustainability 56-1 ONE REPORT 2023

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