2021 CORPORATE RESPONSIBILITY REPORT I 76 SASB Code Metric Response Climate Change Impacts on Human Health & Infrastructure HC-DY-450a.1 Description of policies and practices to address: (1) the physical risks due to an increased frequency and intensity of extreme weather events and (2) changes in the morbidity and mortality rates of illnesses and diseases associated with climate change Quest Diagnostics maintains a business continuity program to prepare for and respond to risks to our physical infrastructure and assets presented by extreme weather events and natural disasters, whether as a result of climate change or otherwise. The program covers our critical US facilities, including laboratory operations and offices, and addresses the full range of issues, including remediation of power interruptions. The company’s Board of Directors receives annual updates on the program. Quest Diagnostics is beginning to develop policies and practices to address the risks and opportunities presented by changes in the prevalence, geographic location, and severity of diseases that may be impacted by climate change (eg, changing patient testing capacity needs or disease profiles that require new testing). HC-DY-450a.2 Percentage of healthcare facilities that comply with the Centers for Medicare and Medicaid Services (CMS) Emergency Preparedness Rule Quest Diagnostics provides diagnostic information services and does not maintain healthcare facilities subject to the CMS Emergency Preparedness Rule. Fraud & Unnecessary Procedures HC-DY-510a.1 Total amount of monetary losses because of legal proceedings associated with Medicare and Medicaid fraud under the False Claims Act When public disclosure criteria are met, monetary losses as a result of legal proceedings under the False Claims Act are included in the Quest Diagnostics Annual Report on Form 10-K. Table 1: Health Care Delivery Industry Standard Accounting Metrics (Continued) SASB Code Metrics Response HC-DY-000.A Number of (1) facilities and (2) beds, by type Not applicable – Quest Diagnostics does not operate hospitals. HC-DY-000.B Number of (1) inpatient admissions and (2) outpatient visits Not applicable – Quest Diagnostics does not operate hospitals. Table 2: Health Care Delivery Industry Inventory Metrics TABLE OF CONTENTS 2021 OVERVIEW COVID-19 RESPONSE PROMOTING A HEALTHIER WORLD CREATING AN INSPIRING WORKPLACE BUILDING VALUE REFERENCES