Biogen Inc.

President, Chief Executive Officer & Director

Executive Vice President & Chief Financial Officer

Chief Information Officer

Chief Legal Officer

Executive Vice President & Chief Legal Officer

Executive Vice President & Head of Corporate Development

Executive Vice President & Chief Human Resources Officer

Executive Vice President and Head of Pharmaceutical Operations & Technology

Executive Vice President & Head of Development

Executive Vice President and Head of Global Product Strategy & Commercialization

VP, Chief Accounting Officer & Global Corporate Controller

President & Head of North America

President & Head of Intercontinental Region

Chief Communication Officer & Head of Corporate Affairs

Head of Investor Relations

President & Head of Europe