WEST PHARMACEUTICAL SERVICES INC — Director's Dealing 2011

May 5, 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: Johnson Paula A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-04	Common Stock	M	2500.0000	$36.1000	Acquired	14057.5000	Direct
2011-05-04	Common Stock	S	2500.0000	$46.8877	Disposed	11557.5000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-04	Stock Option (Right to Buy)	$36.1000	M	2500.0000	Disposed	2016-05-02	Common Stock (2500.0000)	Direct