IRPC Annual Report 2023

Stakeholder Impact The growing environmental issues, from solid waste and air quality to wastewater and deteriorating natural resources, has prompted concrete actions to find sustainable solutions, as these challenges affect not only the environment but also have far-reaching impacts on the economy, society and human rights. Environmental degradation stains the economy by increasing costs for industries, disrupting supply chains, and leading to resource scarcity, which can impede economic growth and sustainability. Additionally, it adversely affects society by posing health risks, disrupting communities, and worsening social inequalities, thereby contributing to violations of fundamental rights such as the rights to life, health, and a healthy environment. The inclusion of these concerns into national policies and agendas, such as the national plan to tackle air pollution linked to hazardous dust levels and to seek public-private collaboration to phase out and eliminate single-use plastic, is the best demonstration of their urgency. Realizing the company’s potential contribution to environmental degradation through emissions, waste generation, and resource extraction, IRPC places utmost importance on the cost-effective use of resources in the production processes, as well as mitigation of impact from our operation on that may adversely affect communities and the society at large, throughout its value chain. The company has formulated policies on quality, security, safety, environmental protection, and energy management. This includes the implementation of standard systems, such as ISO 14001, ISO 5001, and Operational Excellence (OEMS) in environmental quality management to reduce the impact on society and communities and to achieve eco-efficiency in production processes. Management Approach To demonstrate our commitment to environmental responsibility, IRPC has established a Quality, Security, Safety, Health, and Environment (QSSHE) policy, which focuses on Operational Excellence Management System (OEMS), systematic risk management planning, Compliance with laws and regulations, and risk control and Scan this QR code for addition information on IRPC’s integrated environmental management system for energy, air, water and solid waste management, or visit the website: https://innovationcenter.irpc.co.th/ IRPC has adopted the integrated environmental management system for energy, air, water, and solid waste management, utilizing the Eco Factory framework and PTT Group’s Operational Excellence Management System (OEMS) across all plant operations to enhance operational efficiency. The environmental management system is part of IRPC’s Operational Excellence Management System (IRPC OEMS), which has been certified against ISO9001, ISO14001, OHSAS18001, ISO45001, ISO50001 and ISO31000. In addition, the Green Turnaround concept has been integrated in our management approach to reduce impacts during annual shutdown and turnaround. For instance, the operation is conducted in a closed system to manage the volatile organic compounds (VOCs), waste and wastewater, and odor control. The company has also invested over THB 538 million to develop systems for pollution prevention, environmental monitoring, efficiency improvement, energy reduction, biodiversity conservation, and fostering a lowcarbon society. mitigation according to 3Rs principle, together with Green Turnaround guidelines and Circular Economy principles. This Policy applies to all IRPC businesses across the value chain, including production, products, services, distribution, and logistics, as well as IRPC’s 100%-owned subsidiaries and joint ventures. Newly acquired businesses or sites must comply with IRPC’s Policy within 24 months after acquisition, or sooner. Furthermore, IRPC expects business partners, such as associate companies or other investments, non-managed operations for which we do not have operating responsibility, principal contractors, suppliers, and other licensees, and outsourcing partners with whom we have a significant involvement, to comply with the IRPC QSSHE policy. The oversight of the company’s environmental governance falls under the purview of the Corporate Governance and Sustainability Committee, with the strict implementation of this policy being supported by employees at all levels. 144 Business-Driven Sustainability IRPC Public Company Limited

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