Perrigo Company to Join the NASDAQ-100 Index Beginning December 6, 2011

NEW YORK, Dec. 1, 2011 (GLOBE NEWSWIRE) -- Perrigo Company PRGO will become a component of the NASDAQ-100 Index^® NDX, the NASDAQ-100 Equal Weighted Index NDXE and the NASDAQ-100 Ex-Tech Sector Index NDXX prior to market open on Tuesday, December 6, 2011. Perrigo Company will replace Joy Global Inc. JOYG.

Perrigo Company is headquartered in Allegan, Michigan and has a market capitalization of approximately $8.4 billion. For more information about the company, go to www.perrigo.com.

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