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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West Pharmaceutical Services, 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 1, 2012. Meeting Information WEST PHARMACEUTICAL SERVICES, INC. Meeting Type: Annual Meeting For holders as of: March 9, 2012 Date: May 1, 2012 Time: 9:30 AM Location: 101 Gordon Drive Lionville, Pennsylvania 19341 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. WEST PHARMACEUTICAL SERVICES, INC. 101 GORDON DRIVE LIONVILLE, PA 19341-0645 M41486-P22278 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: NOTICE AND PROXY STATEMENT ANNUAL 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. XXXX XXXX XXXX XXXX XXXX XXXX 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 17, 2012 to facilitate timely delivery. M41487-P22278 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. XXXX XXXX XXXX

Voting Items The Board of Directors recommends you vote FOR the following: 1. To elect the ten directors nominated by our Board of Directors and named in the Proxy Statement; Nominees: 06) Douglas A. Michels 07) Donald E. Morel, Jr. 08) John H. Weiland 09) Anthony Welters 10) Patrick J. Zenner 01) Mark A. Buthman 02) William F. Feehery 03) Thomas W. Hofmann 04) L. Robert Johnson 05) Paula A. Johnson The Board of Directors recommends you vote FOR the following proposals: 2. Advisory vote to approve named executive officer compensation; 3. To ratify the appointment of PricewaterhouseCoopers LLP as our independent registered public accounting firm for the 2012 fiscal year; and 4. To transact any other business that may properly come before the meeting and any adjournment or postponement. M41488-P22278

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