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.     )
Filed by the Registrant  x
Filed by a Party other than the Registranto
Check the appropriate box:
o		Preliminary Proxy Statement
o		Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
o		Definitive Proxy Statement
x		Definitive Additional Materials
o		Soliciting Material Pursuant to §240.14a-12
West Pharmaceutical Services, Inc.
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
Payment of Filing Fee (Check the appropriate box):
x	No fee required.
o	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
	(1)		Title of each class of securities to which transaction applies:
	(2)		Aggregate number of securities to which transaction applies:
	(3)		Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):
	(4)		Proposed maximum aggregate value of transaction:
	(5)		Total fee paid:
o	Fee paid previously with preliminary materials.
o	Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
	(1)		Amount Previously Paid:
	(2)		Form, Schedule or Registration Statement No.:
	(3)		Filing Party:
	(4)		Date Filed:
			Persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

*** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on May 5, 2020. WEST PHARMACEUTICAL SERVICES, INC. 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 WEST PHARMACEUTICAL SERVICES, INC. C/O BROADRIDGE P.O. BOX 1342 BRENTWOOD, NY 11717 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. proxy materials and voting instructions. E89663-[TBD] See the reverse side of this notice to obtain Meeting Information Meeting Type:Annual Meeting For holders as of:March 10, 2020 Date: May 5, 2020Time: 9:30 AM EDT Location: 530 Herman O.West Drive Exton, Pennsylvania 19341

Before You Vote How to Access the Proxy Materials How To Vote Please Choose One of the Following Voting Methods E89664-[TBD] 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 (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. XXXX XXXX XXXX XXXX Proxy Materials Available to VIEW or RECEIVE: NOTICE AND PROXY STATEMENTANNUAL REPORT 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 April 21, 2020 to facilitate timely delivery. XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX

The Board of Directors recommends you vote FOR the following: 1.Election of Directors; Nominees: The Board of Directors recommends you vote FOR proposals 2, 3 and 4. 1a. Mark A. Buthman 2. Advisory vote to approve named executive officer compensation; 1b. William F. Feehery 3. To approve an amendment to Article 5 of our Amended and Restated Articles of Incorporation to increase the number of authorized shares of common stock from 100 million to 200 million; and 1c. Robert Friel 1d. Eric M. Green 1e. Thomas W. Hofmann 4. To ra ti fy th e ap p oi nt me nt of PricewaterhouseCoopers LLP as our independent registered public accounting firm for 2020. 1f. Paula A. Johnson 1g. Deborah L. V. Keller NOTE: Such other business as may properly come before the meeting or any adjournment thereof. 1h. Myla P. Lai-Goldman 1i. Douglas A. Michels 1j. Paolo Pucci 1k. Patrick J. Zenner E89665-[TBD] Voting Items

E89666-[TBD]