ST Engineering Sustainability Report 2021

→ Explore sustainability-related technologies including those that potentially enable new business verticals → Continue to quantify the environmental impact of our products and solutions to our customers KEY GOALS FOR 2022 We are committed to delivering products, services and solutions that enable our customers including airlines, aerospace OEMs, cities, government organisations and the maritime ecosystem on their sustainability journeys. → → Enhanced tracking of R&D investments in green products and services across our global business units → Increased group-wide emphasis on sustainability considerations in the design and development of products and services WHAT WE ACHIEVED IN 2021 GREEN PRODUCTS & SERVICES Our products, services and solutions focus on three key themes: REDUCE GHG EMISSIONS We reduce emissions by saving fuel, reducing waste, minimising road congestion, boosting energy efficiency and accelerating digitalisation. Congestion Management Systems (inc. Smart Junctions) Training & Simulation Systems Eco-efficient Ship Designs and Systems MRO of Aircraft, Ships and Vehicles Eco-friendly Aircraft Engine Wash Solutions Low-energy Cooling Systems CIRCULAR ECONOMY Our aircraft and ship conversions allow us to repurpose and reuse – saving resources, time and costs. Our MRO operations extend the life of capital assets, whether aircraft, vehicles or ships. We also design, build, operate and maintain sustainable waste management and waste-to-energy facilities that support eco-friendly waste disposal, management and waste water recycling. Integrated Waste and Water Treatment Solutions Passenger-to-Freighter Conversions Ship Conversions Environmental Solutions and Recycling SOLVE URBAN AND CITY ISSUES In our Smart City deployments, our IoT-based connected solutions optimise operational efficiency, improve energy savings and deliver long lasting utility services to city residents. We also develop and deploy sustainable hybrid and electric transportation solutions. Rail Solutions Smart Street Lighting Fleet Management Systems Electric & Autonomous Vehicles Respiratory Protection Products Command, Control & Communications (inc. in hospitals, emergency dispatch) Cybersecurity for Critical Infrastructure Integrated Waste and Water Treatment Solutions Passenger-to- Freighter-Conversions Ship Conversions Environmental Solutions and Recycling Respiratory Protection Products Congestion Management Systems Training & Simulation Systems Low-Energy Cooling Systems Eco-friendly Aircraft Engine Wash Solutions MRO of Aircraft, Ships and Vehicles Eco-efficient Ship Designs and Systems Smart Street Lighting Fleet Management Systems Cybersecurity for Critical Infrastructure Command, Control & Communications Electric & Autonomous Vehicles Rail Solutions ENVIRONMENTAL 23 ST ENGINEERING SUSTAINABILITY REPORT 2021 OVERVIEW OUR SUSTAINABILITY APPROACH ENVIRONMENTAL SOCIAL GOVERNANCE AWARDS INDEX

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