Marsh & Mclennan Companies, Inc.

Effective January 14, 2026, we updated our brand name from Marsh McLennan to Marsh and the brand names of our Marsh and Oliver Wyman Group businesses to Marsh Risk and Marsh Management Consulting, respectively. References to the Company and its businesses in this report reflect these changes. Mercer and Guy Carpenter will continue to report under their current brands through a transition period. GENERAL Marsh is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With an annual revenue of $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. The Company conducts business through two segments: Risk and Insurance Services : risk management activities and insurance/reinsurance broking and services conducted through Marsh Risk and Guy Carpenter. Consulting : health, wealth and career advice, solutions and products, and specialized management, strategic, economic and brand consulting services conducted through Mercer and Marsh Management Consulting. We provide further details about our current segments below. Financial information about our segments is provided in our consolidated financial statements, which are included under Part II, Item 8 of this report. OUR BUSINESSES RISK AND INSURANCE SERVICES This segment accounted for approximately 64% of the Company's total revenue in 2025 and employed around 55,700 co lleagues globally. It includes Marsh Risk and Guy Carpenter.