Environment By making our operations more sustainable, assisting our clients on their sustainability journeys and providing our thought leadership, Marsh IN THIS SECTION McLennan is helping enable the transition to a low-carbon economy. Our deep expertise, innovative thinking and the collective strength 12 Our carbon footprint of all our colleagues will be our greatest resources as we address the challenges and opportunities ahead. 15 Sustainability of our operations 19 Facilitating the adoption of climate and Highlights sustainability solutions for our clients Internal Committed to achieving net-zero carbon emissions across our global business operations by 2050, with a 50% emissions reduction by 2030. ® Maintained certification as a CarbonNeutral company for all of our global operations. Eliminated single-use plastics in 100% of office pantries. External Advanced conversations at COP 27 around the orderly investment transition, the insurance sector’s role in climate adaptation, and the link between climate and nature. Oliver Wyman launched a 3D carbon accounting service that allows companies to quantify and better understand their emissions. Mercer developed a climate-investing benchmarking tool and framework that provides practical climate investing protocols. Overview Environment Social Governance Appendix 2022 ESG REPORT 11