2021 CORPORATE RESPONSIBILITY REPORT I 8 Approach to corporate responsibility through our ESG strategy As the world’s leading provider of diagnostic insights, we are refining and enhancing our approach to corporate responsibility to drive stronger alignment of our business to our evolving society. We believe that building upon our established programs and further expanding the scope of our efforts will enable us to create additional, long-term, sustainable value. As part of our commitment to transparency, we have included Sustainability Accounting Standards Board (SASB) disclosures on pages 73-77. Throughout 2022, we will continue to sharpen our focus areas and establish goals aligned with our overall business strategy and stakeholder concerns. Delivering on our vision through strategic focus areas Vision 2-Point Strategy • Empower better health with diagnostic insights • Accelerate growth • Drive operational excellence 1 2 Equity and Health Access Employee and Community Engagement Environmental Sustainability Ethics and Values We address health inequities across the US by providing testing, resources, and funding to programs that address disparities in healthcare and their causes, as well as through collaborations with nonprofits and community organizations. We create an inclusive environment where employees feel welcomed, safe, valued, and challenged to grow, while also supporting and strengthening our broader community. We focus on enhancing the environmental sustainability of our operations and protecting the communities where we live and operate. We are committed to strong and ethical governance, responsible business practices, and strict adherence to applicable laws, regulations, and standards. We actively engage our stakeholders to gain feedback. Goals Promote a healthier world Build value Create an inspiring workplace 3 TABLE OF CONTENTS 2021 OVERVIEW COVID-19 RESPONSE PROMOTING A HEALTHIER WORLD CREATING AN INSPIRING WORKPLACE BUILDING VALUE REFERENCES