Ethics and compliance Our shared beliefs and vision for the future are grounded “Our culture of integrity is the cornerstone in our values. Marsh McLennan values its colleagues of our values and impacts every aspect and business partners and is dedicated to fostering an of our interactions with our clients, environment where everyone feels respected and valued. colleagues and communities.” The individual e昀昀orts of each colleague are crucial to the company’s success. Kate Brennan, General Counsel Promoting a culture of honesty and transparency where it is safe to speak up Marsh McLennan maintains the highest professional and ethical standards. We are committed to remaining up to date on industry best practices and routinely participate in formal ethics and compliance benchmarking exercises. Our Guidelines for Corporate Governance state unequivocally that the Board is responsible, alongside management, for “setting the tone at the top” and overseeing management’s strategy to promote a culture of integrity throughout Marsh McLennan. The Audit Committee of the Board of Directors has responsibility for the company’s policies, systems and controls — which are designed to promote ethical behavior and compliance with applicable legal and regulatory requirements. Management regularly briefs the Audit Committee on ethics and compliance matters. See page 54 for additional information on Board oversight. Marsh McLennan has also adopted an additional Code of Ethics for the Chief Executive Officer and Senior Financial Officers, which applies to our Chief Executive Officer, Chief Financial Officer and Controller. Overview Environment Social Governance Appendix 2022 ESG REPORT 51