OUR PURPOSE PIONEERING SCIENCE PATIENTS OUR PEOPLE ENVIRONMENT COMMUNITY REPORTING 5 BIOGEN 2021 YEAR IN REVIEW Appeared on the Dow Jones Sustainability World Index for the 9 TH YEAR in a row GOLD CLASS Distinction in S&P Global Sustainability Yearbook in 2022 No 2 on Fierce Pharma’s Top 10 list of ESG leaders in the pharmaceutical industry 100% on the Disability Equality Index for the 4 th consecutive year 100% on Human Rights Campaign’s Corporate Equality Index for Best Places to Work for LGBTQ+ Equality for the 8 th consecutive year #36 on JUST Capital’s JUST 100 list, a ranking of the most “just” companies #5 in Fortune and Refinitiv’s Measure Up ranking of leaders in diversity and inclusion data transparency Corporate Knights Global 100 Index of World’s MOST SUSTAINABLE CORPORATIONS Fast Company’s 2021 WORLD CHANGING IDEAS honorable mention in the Corporate Social Responsibility category for Biogen’s Healthy Climate, Healthy Lives™ #17 on 3BL Media’s annual ranking of its 100 Best Corporate Citizens Named to the 2022 BLOOMBERG GENDER-EQUALITY INDEX 2022 Global Pharma Patient CHAMPION AWARD from Reuters Events’ Pharma Awards 2021 LGBT CORPORATE ALLY AWARD , Business of Pride, Boston Business Journal BEST WORKPLACES for Women by Great Place to Work Our Switzerland Affiliate has also received NATIONAL ACCLAIM for the strength of our women in leadership BEST WORKPLACES™ for Women in Italy 2021 50 Best Workplaces in Canada 2021 Great Place to Work certificates Poland 2021 Great Place to Work certificates U.K. Top Employer Spain 2021 certification KEY AWARDS & RECOGNITIONS Pictured (from left): Scientists Wenli Liang and Aireal Jenkins.