ST Engineering Sustainability Report 2021

• We continue to provide market-leading passengerto-freighter (P2F) conversions -- converting and refurbishing older passenger aircraft into welloptimised and reliable freighters. This is aligned to our commitment to the circular economy -- reducing the demand for mineral extraction and energy, while extending the life of the aircraft by up to 20 years and increasing the utility of the initial manufacturing effort. Our Airbus A321 P2F solution has more than 28 metric tons of proven gross payload, which is the highest in the market currently. Furthermore, our medium widebody freighter solution, the Airbus A330P2F, offers more volume and payload. Our center of gravity optimised conversion design results in a well-balanced freighter that requires less trimming which results in fuel savings • Our aerospace engine MRO operations have created the Intelligent Mapping and Profiling (iMaP) machine. This inhouse solution helps improve productivity through the automation of key processes including engine blade weighing, profile measurement, part number capture and blade sorting and distribution. The data for each blade is captured and analysed. The resulting compressor and turbine efficiency analysis as well as vibration analysis allows us to reduce vibrations in flight. In addition, iMaP have given us annual productivity savings of more than 2,000 manhours on CFM56 engine MRO operations • Our eco-engine wash services – EcoPower® – has significant environmental benefits. The team washes more than 9,000 aircraft engines annually using innovative and environmentally-friendly processes. These result in fuel savings which translate to an estimated emissions avoidance of 500,000 tons CO2e annually as well as the recovery and reuse of around 2 million liters of water • Our aerospace MRO operations have adopted robotic laser paint stripping, which is a more precise and eco-friendly process to remove rust, paint, oxide and other contaminants from aircraft metal surfaces. The directed low-energy laser pulse beam breaks down paint and primer coatings resulting in a minimal waste stream. The waste is vapourised, extracted and captured via a fume extraction system minimising the release of paint, contaminants, dust particles and other toxic chemicals into the environment ENVIRONMENTAL → Green Products & Solutions Digital Solutions • Aircraft and marine pilot training is greatly augmented by our high-fidelity training simulators which are at Federal Aviation Administration Full Flight Simulator (FAA FFS) Level D and Det Norske Veritas group Level D. These simulators are alternatives to help pilots qualify for training hours instead of actual flight or sailing. Apart from reducing fuel consumption and environmental impact, the use of simulators also reduce operational costs • We have deployed a zero carbon emission fully electric-powered autonomous flotsam clearance vessel prototype. Its enhanced features improve the detection and classification of flotsam in water bodies, improve object collection near obstacles while having greater endurance and speed. This is achieved through efficient power generation, intelligent control and reduced-drag design Summary ST Engineering continues to identify, develop and deploy core technologies to enable its sustainable business goals. These technologies include artificial intelligence machine learning, data analytics, blockchain, hybrid battery systems and autonomous systems. We will also study emerging technologies in the area of sustainable materials, energy management systems and alternative low-carbon fuels to support our customers' end-to-end decarbonisation needs. We will invest appropriate resources early to capture green growth opportunities and support the energy transition. Key initiative areas supporting our business areas include: • Powertrain Electrification • Fleet Management • MRO Digitalisation • Green Power Generation • Environmental Engineering Besides internal R&D investment, we actively foster partnerships and collaborations, engaging technology start-ups and building new corporate ventures to bring new technologies to market quickly and scale up to meet global demand for green solutions. 25 ST ENGINEERING SUSTAINABILITY REPORT 2021 OVERVIEW OUR SUSTAINABILITY APPROACH ENVIRONMENTAL SOCIAL GOVERNANCE AWARDS INDEX

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