Sustainability of our operations We recognize the importance of carefully controlling the e昀昀ects of our business on the environment, especially as a multinational 昀椀rm operating in more than 130 countries. Making our o昀케ces smarter Greening our o昀케ces Our offices provide a great opportunity for environmental stewardship and Building a future of work focused on a sense of community and connection, our colleague engagement. We have a number of initiatives focused on reducing Smart Office program was introduced in 2016 by Marsh McLennan’s Real Estate the impact of our spaces that address aspects of the real estate life cycle Services division to promote collaboration, productivity and innovation, while including site selection, site construction and fit-out, and day-to-day operations. reducing our environmental impact. The Smart Office concept features creative Where possible, we seek to lease space in green certified buildings. interior design and cutting-edge technology to support new digitized workflows and a hybrid work environment. Combining a reduced real estate footprint and increased Managing technology sustainably space utilization with waste-reducing construction practices and energy-efficient mechanical systems, the Smart Office offers an active and engaging experience that Marsh McLennan’s technology team works to deliver sustainable IT solutions enables us to achieve our business objectives while respecting the environment. that support our global business. We strive to preserve resources and minimize Since 2016, we’ve opened 79 Smart Offices in 26 countries, which house nearly emissions through recycling electronic waste, lessening the impact of personal 27,000 colleagues, including our recently renovated London office. We have seven computing, maintaining energy-efficient data centers and partnering on this more offices under construction, including our headquarters in New York City. effort with our strategic suppliers. Our Global IT Asset Disposal (ITAD) program works with our strategic partners to securely dispose of obsolete IT assets in an environmentally responsible manner. Green pantry update In 2022, nearly 18,000 older laptops and 5,400 desktops were retired and replaced In January 2021, Marsh McLennan with modern energy-efficient laptops. Over the past 9 years, nearly 4.4 million committed to eliminating single-use pounds of electronic waste was either recycled or remarketed. Marsh McLennan plastics and reducing single-use waste has adopted many Software as a Service (SaaS) applications, which leverage high- in all office pantries globally and we are efficiency public cloud infrastructure and reduce our physical infrastructure. In proud to announce we have achieved 2022, we completed migration to the Microsoft 365 suite of tools, which is now this goal. As of year-end 2022, 100% used by 100% of colleagues. We disposed of 1,644 servers in 2022 and will retire of our offices, representing more additional servers in 2023 as we continue to move data to the cloud. than 1,000 pantries, have eliminated single-use plastics in office pantries. In addition to conserving resources and reducing waste, our green pantries provide colleagues an opportunity to take part in our sustainability efforts. The pantry of our newly renovated Singapore o昀케ce. Overview Environment Social Governance Appendix 2022 ESG REPORT 15