2021 CORPORATE RESPONSIBILITY REPORT I 42 Workforce new hire American Indian Asian Black/African- American Hispanic/ Latino Pacific Islander Other people of color* All people of color White Female 0.7% 5.9% 24.5% 15.6% 0.3% 0.7% 47.7% 27.0% Male 0.1% 3.1% 6.3% 5.0% 0.2% 0.2% 14.9% 10.4% Female Male 74.7% 25.3% Workforce demographics (continued) • Data reflect our US employee population; 97.5% of Quest’s employee population is US-based • Data exclude employees who did not elect to disclose their gender or race/ethnicity “ We work actively, every day, to make sure our values are authentically reflected in our workforce and culture. Extraordinary results start with extraordinary goals.” Ebony D. David Executive Director and Human Resources Business Partner, Corporate Social Responsibility and Inclusion and Diversity *Other people of color/2 or more races We demonstrate our commitment to inclusion and diversity through our results in external hiring at all levels. We strive to provide a balanced slate of qualified candidates to our hiring managers. We engage agencies to assist us in identifying talent from a range of racial and ethnic backgrounds in addition to women, Veterans, and people with disabilities. Lastly, we are expanding our reach to diverse talent in our early career/university hiring by collaborating with various colleges/ universities throughout our footprint to create a pipeline of diverse talent in our entry-level roles. TABLE OF CONTENTS 2021 OVERVIEW COVID-19 RESPONSE PROMOTING A HEALTHIER WORLD CREATING AN INSPIRING WORKPLACE BUILDING VALUE REFERENCES