2021 CORPORATE RESPONSIBILITY REPORT I 11 Governance Our Board of Directors and management team firmly believe that good corporate governance protects and enhances stakeholder value. Under the oversight of our Board, our management team implements policies and procedures that promote ethical, transparent, and sustainable operating practices to benefit stakeholders. Members of our senior management, including our Chairman and CEO, regularly meet with key stakeholders to discuss their concerns and share our progress. “I am pleased to join the Board of Directors at Quest Diagnostics and feel proud to serve an organization committed to sustainability. The company's commitment to employees and communities should help it to deliver value to stakeholders over the long term.” Tracey C. Doi Newest member, Board of Directors Board of Directors Our company’s Board of Directors is comprised of 9 members, 8 of whom are independent and bring highly relevant and complementary skills, qualifications, and experience from outside our industry, with our Chairman and CEO providing company-specific expertise. The Board reflects our inclusive philosophy and consists of 5 men and 4 women, with over 20% of total Board Members representing a diverse race or ethnicity. The Board regularly reviews information regarding our business and industry and remains well-informed through several committees: • Audit and Finance • Compensation • Cybersecurity • Governance • Quality and Compliance Steve Rusckowski Chairman of the Board, Chief Executive Officer, and President Tracey C. Doi Director Vicky B. Gregg Director Wright L. Lassiter, III Director Timothy L. Main Director Denise M. Morrison Director Gail R. Wilensky, PhD Director Timothy M. Ring Lead Independent Director Gary M. Pfeiffer Director TABLE OF CONTENTS 2021 OVERVIEW COVID-19 RESPONSE PROMOTING A HEALTHIER WORLD CREATING AN INSPIRING WORKPLACE BUILDING VALUE REFERENCES