exh231.htm

We consent to the incorporation by reference in the registration statement on Form S-8 filed by West Pharmaceutical Services, Inc. on December 30, 2008 (File No. 333-156492) of our report dated June 28, 2010, with respect to the statements of net assets available for benefits of The Tech Group 401(k) Plan as of December 31, 2009 and 2008 and the related statements of changes in net assets available for benefits for the years ended December 31, 2009 and 2008, which report appears in the December 31, 2009 annual report on Form 11-K of The Tech Group 401(k) Plan.