OUR PURPOSE PIONEERING SCIENCE COMMUNITY REPORTING 78 BIOGEN 2021 YEAR IN REVIEW PATIENTS OUR PEOPLE ENVIRONMENT ENVIRONMENT 100% Renewable electricity commitment sustained 14 .7% Employee engagement in Healthy Climate, Healthy Lives™ 1 ST Biosimilars life cycle assessment with 3 key products Facilities Senior Engineer Tom Choyce commutes regularly by bicycle. He’s also a captain of the Rolling Clones, Biogen’s bike club.