ST Engineering Sustainability Report 2022

GRI STANDARDS DISCLOSURE PAGE / RESPONSE GRI 2-28 Membership associations f) Civil Air Navigation Services Organisation (CANSO) g) German Aerospace Industries Association (BDLI) h) German Chamber of Commerce and Industry (IHK) i) Institute of Engineers, Singapore (IES) j) International Motor Vehicle Inspection Committee (CITA) k) National Aerospace and Defense Contractors l) National Advanced Mobility Consortium m) National Training and Simulation Association n) Non Destructive Testing Society (Singapore)/ Singapore National Aerospace NDT Board (NANDTB) o) Singapore Business Federation (SBF) p) Singapore Chinese Chamber of Commerce and Industry q) Singapore Cybersecurity Consortium r) Singapore Institute of Directors (SID) s) Singapore Institution of Safety Officers t) Singapore Manufacturing Federation u) Singapore National Employers Federation (SNEF) v) Singapore Shipping Association w) The Association of Electronic Industries in Singapore (AEIS) x) United Nations Global Compact (UNGC) / UN Global Compact Network Singapore (GCNS) Stakeholder Engagement GRI 2-29 Approach to stakeholder engagement Sustainability Report 2022, page 13 GRI 2-30 Collective bargaining agreements Sustainability Report 2022, page 49 Material Topics 2021 GRI 3-1 Process to determine material topics Sustainability Report 2022, pages 14 – 15 GRI 3-2 List of material topics Sustainability Report 2022, pages 16 – 17 Economic Performance and Productivity GRI 3-3 Management of material topics Sustainability Report 2022, pages 24 – 27 GRI 201-1 Direct economic value generated and distributed Sustainability Report 2022, page 27 GRI 201-2 Financial implications and other risks and opportunities due to climate change Sustainability Report 2022, pages 19 – 23 GRI 201-3 Defined benefit plan obligations and other retirement plans Annual Report 2022, pages 217 - 223 GRI 201-4 Financial assistance received from government Annual Report 2022, pages 152, 186 and 217 Technology and Innovation GRI 3-3 Management of material topics Sustainability Report 2022, pages 28 – 31 Responsible and Resilient Supply Chain GRI 3-3 Management of material topics Sustainability Report 2022, pages 32 – 35 GRI 204-1 Proportion of spending on local suppliers Sustainability Report 2022, page 35 GRI 308-1 New suppliers that were screened using environmental criteria Sustainability Report 2022, page 34 GRI 308-2 Negative environmental impacts in the supply chain and actions taken Sustainability Report 2022, page 34 GRI 414-1 New suppliers that were screened using social criteria Sustainability Report 2022, page 34 GRI 414-2 Negative social impacts in the supply chain and actions taken Sustainability Report 2022, page 34 Environmental Protection GRI 3-3 Management of material topics Sustainability Report 2022, pages 36 – 41 GRI 302-1 Energy consumption within the organisation Sustainability Report 2022, page 38 GRI 302-2 Energy consumption outside of the organisation ST Engineering does not consider this material to our operations. OVERVIEW OUR SUSTAINABILITY APPROACH ECONOMIC ENVIRONMENTAL SOCIAL GOVERNANCE INDEX 75

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