ST Engineering Sustainability Report 2022

We Adopt Global Quality Standards We have a robust quality management system that is based on well-established international standards. The majority of our operations are certified to ISO 9001 Quality Management Systems or the equivalent. In addition, all our operations abide by the requirements of their industry regulatory bodies. We actively work with our suppliers and collaborators to ensure the quality of bought-in parts and services. By regularly seeking feedback from our customers, we are able to strengthen our offerings. To support our customers in the transition to a low carbon economy, we work towards quantifying the life cycle analysis of our products and solutions for our customers according to global standards and best practices. Our efforts to adopt global standards in these analyses can help us systematically identify and subsequently, mitigate the negative environmental impact that our products may have on the environment. We Leverage Technology to Improve Quality and Sustainability We continuously improve the sustainability and quality of our existing suite of products by employing the use of technology to improve our operational processes and reduce the GHG emissions of our products. Quantifying the Impact of our P2F Solution Our P2F conversion solutions provide a new lease of life to older commercial aircraft by reusing aircraft structural materials, thus reducing the embodied carbon. This provides our customers with a cost-effective and relatively low carbon option compared to new-built aircraft. In 2022, our Commercial Aerospace business partnered with research institutions to begin our journey to quantify the P2F’s product carbon footprint, taking reference from ISO 14040 Environmental Management – Life Cycle Assessment, and ISO 14067 Carbon Footprint of Products. This is an ongoing effort to systematically quantify the environmental impact of our products. OVERVIEW OUR SUSTAINABILITY APPROACH ECONOMIC ENVIRONMENTAL SOCIAL GOVERNANCE INDEX 43

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