Regeneron to Host Conference Call on January 3 at 8:30 a.m. Eastern Time to Discuss Ongoing Patent Litigation

TARRYTOWN, N.Y.,Jan. 2, 2012/PRNewswire/ -- Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) today announced that it will host a conference call onTuesday, January 3, 2012at8:30 a.m. Eastern Timeto provide an update on the status of the ongoing patent litigation with Genentech, Inc., a member of the Roche Group (SIX: RO, ROG; OTCQX:RHHBY).

Domestic Dial-in Number: (888) 660-6127International Dial-in Number: (973) 890-8355Participant Code:  40392582

An archived version of the conference call will be available for 30 days on the company's website atwww.regeneron.comon the Investor Relations page.

Regeneron is a fully integrated biopharmaceutical company that discovers, invents, develops, manufactures, and commercializes medicines for the treatment of serious medical conditions.  Regeneron markets two products, ARCALYST®(rilonacept) Injection For Subcutaneous Use and EYLEA™ (aflibercept) Injection.  Regeneron also has completed several Phase 3 studies and is conducting an additional Phase 3 clinical trial for the product candidate ZALTRAP®(aflibercept) Concentrate for Intravenous Infusion.  Additional therapeutic candidates developed from proprietary Regeneron technologies for creating fully human monoclonal antibodies are in earlier stage development programs in rheumatoid arthritis and other inflammatory conditions, pain, cholesterol reduction, allergic and immune conditions, and cancer.  Additional information about Regeneron and recent news releases are available on the Regeneron web site atwww.regeneron.com.