IRPC One Report EN

Key Points of the Sustainability Management Policy IRPC Sustainability Strategic Framework IRPC is committed to “creating material and energy efficiency innovations for life” under sustainable development approach, with firm adherence to corporate responsibility principles and practices as well as active participation of all stakeholders based on mutual trust. With operational excellence, transparency and focus on continuous innovation and technology development, the Company seeks stable and sustainable growth, encompassing three dimensions: environmental, social, and corporate governance, that meet the sustainable development goals. To achieve such goals, IRPC sets out Sustainability Strategic Framework as follows: IRPC Group Sustainability Management Policy 2015 Sustainability Management Policy of IRPC Public Company Limited and its subsidiaries (IRPC Group) Revised Version 2021 IRPC Group Sustainability Management Policy 2019 • Operate business taking into account maintenance of balance in economy, society, and environment, along with positive stakeholder relationships • Reduce the impact of business operations throughout the entire value chain • Develop sustainability-oriented strategies • Promote innovation for sustainability • Establish public disclosure to ensure operational transparency and continuous development • Promote a culture of sustainability among personnel Implement business transformation towards low-carbon society along with environmentally friendly operations that use resources wisely, while controlling and reducing impact of business to ecosystem and biodiversity as well as mitigating impact of and adapting to climate change. • Operate business taking into account maintenance of balance in economy, society, and environment, along with positive stakeholder relationships • Reduce the impact of business operations throughout the entire value chain • Develop sustainability-oriented strategies • Promote innovation for sustainability • Establish public disclosure to ensure operational transparency and continuous development • Promote a culture of sustainability among personnel • Ensure full regulatory compliance in the country we operate in • Expand the scope of sustainability mindset and sustainable management practices among partners and customers across the entire supply chain Governance Environmental Social Operate business with responsibility, taking into account the importance of upholding human rights, labor rights, safety, andhygienicstandards, and maintaining good working environment, along with continuous human resource development to ensure employees improve and acquire new capabilities and needed skills. Make full use of the corporate expertise to create shared values and improve the quality of life of the community to grow sustainably. Comply with the principles of good corporate governance, act with integrity, obey the law, honor commitments and requirements of the country we operate in, as well as following international best practices. Establish public disclosure to ensure operational transparency, implement risk management, adapt to changes in a timely manner, identify suitable opportunities for sustainable business growth, mitigating impact of business operations throughout the entire supply chain, and adopt a balanced approach to stakeholder engagement. 110 IRPC PUBLIC COMPANY LIMITED 56-1 ONE REPORT 2021

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