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 (Amendment No.     )

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☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material under §240.14a-12

ARVINAS, 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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*** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on. May 23, 2019 ARVINAS, INC.    Meeting Information Meeting Type: Annual Meeting For holders as of: March 26, 2019 Date: May 23, 2019 Time: 8:30 AM EST Location: The Study at Yale 1157 Chapel Street New Haven, CT 06511 For Meeting directions please contact Investors Relation at (203) 535-1456 You are receiving this communication because you hold shares in the above named company. 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 at www.proxyvote.com or 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.    ARVINAS, INC. 5 SCIENCE PARK 395 WINCHESTER AVE. NEW HAVEN, CT 06511    0000416154_1    R1.0.1.18

Before You Vote How to Access the Proxy Materials Proxy Materials Available to VIEW or RECEIVE: 1. Annual Report    2. Notice & Proxy Statement 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 09, 2019 to facilitate timely delivery.    How To Vote Please Choose One of the Following Voting Methods Vote In Person: Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow 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.    0000416154_2    R1.0.1.18

Voting items The Board of Directors recommends you vote FOR the following: 1. Election of Directors    Nominees 01 John Houston, Ph.D. 02 Jakob Loven, Ph.D. 03 Kush Parmar, M.D. Ph.D. The Board of Directors recommends you vote FOR the following proposal: 2    Ratification of the appointment of Deloitte & Touche LLP as our independent registered public accounting firm    for the fiscal year ending December 31, 2019. NOTE: The proxies are authorized to vote, in their discretion, upon such other business as may properly come before the annual meeting or any adjournment or postponement of the annual meeting.    0000416154_3    R1.0.1.18

0000416154_4    R1.0.1.18