Biogen DEFA14A Additional proxy soliciting materials

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE

SECURITIES EXCHANGE ACT OF 1934

Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐

Check the appropriate box:


☐		Preliminary Proxy Statement

☐		Confidential, for Use of the Commission Only (as permitted by Rule14a-6(e)(2))

☐		Definitive Proxy Statement

☒		Definitive Additional Materials

☐		Soliciting Material Pursuant to§240.14a-12

BIOGEN INC.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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☒	No fee required.

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*** Exercise YourRight to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the
Stockholder Meeting to Be Held on June 3, 2020.


	Meeting Information
BIOGEN INC.	Meeting Type: For holders as of:		Annual Meeting April 6, 2020
	Date: June 3, 2020 Time: 9:00 a.m. Eastern Time
	Location:	Meeting live via the Internet-please visit www.virtualshareholdermeeting.com/BIIB2020.
	The company will be hosting the meeting live via the Internet this year. To attend the meeting via the Internet please visit www.virtualshareholdermeeting.com/BIIB2020 and be sure to have the information that is printed in the box marked by the arrow (located on the following page).
BIOGEN INC. 225 BINNEY STREET CAMBRIDGE, MA 02142	You are receiving this communication because you hold shares in the company named above. This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online atwww.proxyvote.comor easily request a paper copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting.

	See the reverse side of this notice to obtain proxy materials and voting instructions.

		Before You Vote
		Before You Vote

How to Access the Proxy Materials


Proxy Materials Available to VIEW or RECEIVE:
2020 NOTICE AND PROXY STATEMENT				2019 ANNUAL REPORT WITH FORM 10-K

How to View Online: Have the information that is printed in the box marked by the arrow (located on the following page) and visit:www.proxyvote.com.

How to Request and Receive a PAPER or E-MAIL Copy: If you want to receive a paper or e-mail copy of these documents, you must request one.There is NO charge for requesting a copy.Please choose one of the following methods to make your request:

	1)	BY INTERNET:	www.proxyvote.com
	2)	BY TELEPHONE:	1-800-579-1639
	3)	BY E-MAIL*:	sendmaterial@proxyvote.com

* If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow (located on the following page) in the subject line.

Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before May 20, 2020 to facilitate timely delivery.

		How To Vote
		How To Vote

Please Choose One of the Following Voting Methods


	Vote By Internet:
	Before The Meeting:
	Go towww.proxyvote.com.Have the information that is printed in the box marked by the arrow (located on the following page) available and follow the instructions.

	During The Meeting:
	Go towww.virtualshareholdermeeting.com/BIIB2020.Have the information that is printed in the box marked by the arrow (located on the following page) available and follow the instructions.

	Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.


	Voting Items

	The Board recommends a voteFOR the following proposals:

	1.	Election of Directors. To elect the twelve director nominees numbered 1a through 1l to serve for a one-year term extending until the 2021 annual meeting of stockholders and their successors are duly elected and qualified.













	1k. Stephen A. Sherwin

	1l. Michel Vounatsos

2.	To ratify the selection of PricewaterhouseCoopers LLP as Biogen Inc.'s independent registered public accounting firm for the fiscal year ending December 31, 2020.

3.	Say on Pay - To approve an advisory vote on executive compensation.

Biogen (BIIB) DEFA14AAdditional proxy soliciting materials