LIONVILLE, Pa., April 26 /PRNewswire-FirstCall/ -- West Pharmaceutical Services, Inc. (NYSE:WST - News) announced today that it will host an Analyst and Investor Day for financial analysts and investors on Thursday, May 6, 2010 from 8:00 a.m. to 11:30 a.m. EDT in New York, NY. Members of West’s senior management will provide an overview of the company’s current markets, operations, and growth opportunities. Presentations will begin at 8:30 a.m. EDT.