| 1a | Elect Alexander J. Denner | For |
| 1b | Elect Caroline D. Dorsa | For |
| 1c | Elect Nancy L. Leaming | For |
| 1d | Elect Richard C. Mulligan | For |
| 1e | Elect Robert W. Pangia | For |
| 1f | Elect Stelios Papadopoulos | For |
| 1g | Elect Brian S. Posner | For |
| 1h | Elect Eric K. Rowinsky | For |
| 1i | Elect Lynn Schenk | For |
| 1j | Elect Stephen A. Sherwin | For |
| 1k | Elect Michel Vounatsos | For |
| 2 | Appoint the Auditors | Oppose |
| 3 | Advisory Vote on Executive Compensation | Abstain |
| 4 | Approve the Frequency of Future Advisory Votes on Executive Compensation | 1 |
| 5 | Approve the Biogen Inc. 2017 Omnibus Equity Plan | Oppose |
