Biogen Inc.

Mr. Christopher A. Viehbacher

President, CEO & Director

Mr. Adam Keeney Ph.D.

Executive VP & Head of Corporate Development

Mr. Guy Hadari

Chief Information Officer

Mr. Sean Godbout

VP, Chief Accounting Officer & Global Corporate Controller

Mr. Tim Power M.B.A., Ph.D.

Head of Investor Relations

Ms. Natacha Gassenbach

Chief Communication Officer & Head of Corporate Affairs

Ms. Nicole Murphy

Executive VP and Head of Pharmaceutical Operations & Technology

Dr. Priya Singhal M.D., M.P.H.

Executive VP & Head of Development

Ms. Robin C. Kramer

Executive VP & CFO

Dr. Ginger Gregory Ph.D.

Executive VP & Chief Human Resources Officer