Regeneron to Report Full Year 2011 Financial and Operating Results and Host Conference Call and Webcast on February 16, 2012

TARRYTOWN, N.Y.,Jan. 26, 2012/PRNewswire/ -- Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN)today announced that it will report its fourth quarter and full year 2011 financial and operating results onThursday, February 16, 2012, before the U.S. financial markets open.  The Company will host a conference call at8:30 AM ESTthat day.

Live audio of the conference call will be webcast online simultaneously.  A link to the webcast may be accessed from the 'Events and Presentations' page of Regeneron's website atwww.regeneron.com.  A replay of the conference call and webcast will be archived on the Company's website and will be available for 30 days.

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.