WEST PHARMACEUTICAL SERVICES INC — Director's Dealing 2011

May 4, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WEST PHARMACEUTICAL SERVICES INC (WST)
CIK: 0000105770
Period of Report: 2011-05-04

Reporting Person: ANDERSON MICHAEL A (Vice President & Treasurer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-04	Common Stock	S	1625.0000	$46.9600	Disposed	55214.5104	Direct
2011-05-04	Common Stock	S	5375.0000	$47.0400	Disposed	49839.5104	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	435.2648	Indirect
Common Stock	5088.7107	Indirect