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Affiliated Companies (Tables)

12 Months Ended

Dec. 31, 2011

At December 31, 2011, the following affiliated companies were accounted for under the equity method:

	Location	Ownership interest
West Pharmaceutical Services Mexico, S.A. de C.V.	Mexico		49	%
Aluplast S.A. de C.V.	Mexico		49	%
Pharma Tap S.A. de C.V.	Mexico		49	%
Daikyo Seiko, Ltd. (“Daikyo”)	Japan		25	%

- Definition

Tabular disclosure of equity method investments in common stock. The disclosure may include: (a) the name of each investee or group of investments for which combined disclosure is appropriate, (2) the percentage ownership of common stock, (3) the difference, if any, between the carrying amount of an investment and the value of the underlying equity in the net assets and the accounting treatment of difference, if any, and (4) the aggregate value of each identified investment based on its quoted market price, if available.

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