GC One Report 2023 [EN]

Risk Factor Key Risk Management Measures Biodiversity Loss and Ecosystem Collapse The failure to mitigate and adapt to climate change has resulted in extreme weather conditions and caused damage to biodiversity and ecosystems. This could lead to interruptions in production and increased operational costs for GC as it is required to seek and apply disaster management technology and innovation, and may also affect GC’s credibility and image among stakeholders. Screen vital biodiversity risks for all sites of operation, including among key suppliers and customers, through a systematic assessment process and integrate biodiversity assessment and management into the Qual i ty, Securi ty, Safety, Occupational Health, Environment, and Business Continuity Policy. Apply the mitigation hierarchy principle in preventing, avoiding, mitigating, restoring, and compensating for environmental impacts on biodiversity throughout the value chain. Promote the generation of net positive impacts and maintain No Net Loss (NNL) in the implementation of both current and future projects. Avoid carrying out operations near biodiversity-sensitive areas and vulnerable ecosystems, such as those listed on the IUCN Red List, World Heritage Sites, wetlands, biosphere reserves, and areas protected under IUCN Categories I to IV. Actively follow the established decarbonization roadmap, push forward efficiency-driven targets, and adjust the portfolio to minimize negative impacts and generate positive impacts on the environment and ecosystems. GC is confident that the implementation of the above risk management measures can mitigate impacts from various risks and increase business opportunities for sustainable growth. It will also enable GC to achieve its business goals according to the established direction and strategies. 97 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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