OUR PURPOSE PIONEERING SCIENCE PATIENTS OUR PEOPLE ENVIRONMENT COMMUNITY REPORTING 34 ADVANCING RESPONSIBLE PRODUCT DEVELOPMENT BIOGEN 2021 YEAR IN REVIEW Supplier diversity Working with small and diverse suppliers can support economic growth, foster innovation and enable us to achieve a competitive advantage. Recognizing that Biogen can have a positive impact through our suppliers, supplier diversity is integrated into our procurement procedures. While potential suppliers who meet our diversity criteria are subject to the same application process as all other vendors, our supplier diversity program ensures that small and diverse business enterprises have an equitable opportunity to compete for Biogen’s business. This includes businesses owned by minorities; women; veterans and service-disabled veterans; lesbian, gay, bisexual and transgender individuals; and persons with disabilities. Biogen is affiliated with organizations that provide access to small and diverse suppliers, including: – Center for Women & Enterprise – Diversity Alliance for Science – U.S. Small Business Association We launched our Small Business Program in 2019. DE&I STRATEGY #4 Promote economic empowerment and expand sourcing with minority-owned businesses Supplier diversity can help strengthen our competitiveness and contribute to a more equitable economy in communities where we operate. GOALS 50–100% Increase spending with minority-owned businesses in the U.S. Explore expanding the use of minority-owned banks for a portion of Biogen’s cash balances. PROGRESS We surpassed our minority- owned business spend goal by $5 million. In total, we spent $230 million with diverse suppliers. We sustained our $10 million deposit with a minority-owned bank. Þ READ MORE ABOUT OUR DE&I STRATEGY

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