Regeneron Announces November 2012 Investor Conference Presentations

TARRYTOWN, N.Y.,Nov. 6, 2012/PRNewswire/ -- Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) will webcast management presentations at the following investor conferences:

• Lazard Capital Markets 9thAnnual Healthcare Conference at11:00 a.m. Eastern TimeonTuesday, November 13, 2012

• Credit Suisse Healthcare Conference at9:30 a.m. Eastern Time(7:30 a.m. Mountain Time) onWednesday, November 14, 2012

• Piper Jaffray24thAnnual Healthcare Conference at12:00 p.m.onWednesday, November 28, 2012

The sessions may be accessed through the Company's web site,www.regeneron.com, on the Events and Presentations page. Archived versions of the presentations will be available for thirty days after the live webcasts.

Regeneron is a fully integrated biopharmaceutical company that discovers, invents, develops, manufactures, and commercializes medicines for the treatment of serious medical conditions. Regeneron markets three products inthe United States, EYLEA®(aflibercept) Injection, ZALTRAP®(ziv-aflibercept) Injection for Intravenous Infusion, and ARCALYST®(rilonacept) Injection for Subcutaneous Use; ZALTRAP is co-commercialized with Sanofi. Phase 3 studies are in progress with EYLEA in two additional indications and with product candidates sarilumab and REGN727.  Regeneron has active research and development programs in many disease areas, including ophthalmology, inflammation, cancer, and hypercholesterolemia. Additional information and recent news releases are available on the Regeneron web site atwww.regeneron.com.

Manisha Narasimhan, Ph.D.

Peter Dworkin

Investor Relations

Corporate Communications

914-847-5126

914.847.7640

[email protected]

[email protected]