arvn-defa14a_20200421.htm


☐	Preliminary Proxy Statement

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☐	Definitive Proxy Statement

☒	Definitive Additional Materials

☐	Soliciting Material under §240.14a-12


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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 Meeting Information Meeting Type: <mtgtype> For holders as of: <recdate> Date: Time: <mtgtime> Location: 0000461409_1 R1.0.1.18 ARVINAS, INC. ARVINAS, INC. 5 SCIENCE PARK 395 WINCHESTER AVE. NEW HAVEN, CT 06511 Annual Meeting April 06, 2020 June 03, 2020 June 03, 2020 8:30 AM EST The Blake Hotel, 9 High Street New Haven, CT 06510 For Meeting directions please contact Investors Relations 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.

Before You Vote How to Access the Proxy Materials Proxy Materials Available to VIEW or RECEIVE: 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. g g 0000461409_2 R1.0.1.18 1. Annual Report 2. Notice & Proxy Statement 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 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.

Voting items 0000461409_3 R1.0.1.18 The Board of Directors recommends you vote FOR the following: 1. Election of Directors Nominees 01 Leslie V. Norwalk, Esq. 02 Liam Ratcliffe, MD PhD 03 Timothy Shannon, MD 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, 2020. 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. *We intend to hold our annual meeting in person; however, we are actively monitoring the COVID-19 pandemic and are sensitive to the public health and travel concerns our shareholders, employees and directors may have and the restrictions or protocols that federal, state, and local governments may impose on in-person meetings. In the event it is not possible or advisable to hold our annual meeting in person, we will issue a press release (which we will also file with the SEC) announcing alternative arrangements for the meeting, which may include holding the meeting solely by means of remote communication, as promptly as practicable. Please also monitor our annual meeting website at ir.arvinas.com/annual-meeting for updated information. If you are planning to attend our meeting, please check the website in the days leading up to the meeting date. As always, we encourage you to vote your shares prior to the annual meeting whether or not you intend to attend in person.