Regeneron organisera une pr?sentation lors de la 4e Conf?rence annuelle de Biotechnologie Needham

( BW)(NY-REGENERON)(REGN) Regeneron Announces Presentation at Fourth Annual Needham Biotechnology Conference

Business Editors/Health/Medical Writers BIOWIRE2K 4th Annual Needham Biotechnology Conference

TARRYTOWN, N.Y.--(BUSINESS WIRE)--May 23, 2005--Regeneron Pharmaceuticals, Inc. (Nasdaq:REGN) will webcast its presentation at the Fourth Annual Needham Biotechnology Conference on Wednesday, May 25, 2005. Murray A. Goldberg, Senior Vice President, Finance and Administration and Chief Financial Officer of Regeneron, will provide an overview of the Company and its clinical programs. The presentation is scheduled to be broadcast live on Wednesday, May 25, 2005 at 2:00 p.m. Eastern Time. The session may be accessed through the Company's website (www.regeneron.com on the Events page, under the Investor Relations heading) at the time of the presentation. An archived version of the presentation will be available after the live webcast through June 24, 2005

Regeneron is a biopharmaceutical company that discovers, develops, and intends to commercialize therapeutic medicines for the treatment of serious medical conditions.

Regeneron has therapeutic candidates for the potential treatment of cancer, eye diseases, rheumatoid arthritis and other inflammatory diseases, asthma and allergies and has preclinical programs in other diseases and disorders

Additional information about Regeneron and recent news releases are available on Regeneron's web site at www.regeneron.com.

CONTACT: Regeneron Pharmaceuticals, Inc

Investors: Charles Poole Investor Relations (914) 345-7640 [email protected]

or

Media: Lauren Tortorete Media Relations (212) 845-5609 [email protected]

KEYWORD: TRACK

INDUSTRY KEYWORD: PHARMACEUTICAL MEDICAL BIOTECHNOLOGY ALTERNATIVE MEDICINE CONFERENCE CALLS TRADESHOW

SOURCE: Regeneron Pharmaceuticals, Inc