Idenix Pharmaceuticals to Present at BioEquity Europe 2005, The Needham & Company Fourth Annual Biotechnology Conference and The

Idenix Pharmaceuticals to Present at BioEquity Europe 2005, The
Needham & Company Fourth Annual Biotechnology Conference and The Friedman
Billings Ramsey 9th Annual Investor Conference 


CAMBRIDGE, Mass., May 10  /PRNewswire-FirstCall/ -- Idenix Pharmaceuticals,
Inc. (NASDAQ:IDIX) announced today that Jean-Pierre Sommadossi, Ph.D., Idenix's
chairman and chief executive officer, will present a corporate overview at the
upcoming BioEquity Europe 2005 Conference on Tuesday, May 24, 2005 at 9:45 a.m.
at the Swissotel Zurich; at the Needham & Company Fourth Annual Biotechnology
Conference on Thursday, May 26, 2005 at 8:00 a.m. at the New York Palace Hotel;
and at the Friedman Billings Ramsey 9th Annual Growth Investor Conference on
Thursday, June 2, 2005 at 2:10 p.m. at the Millennium Broadway Hotel, New York.

The live and archived webcasts of the Needham & Company and the Friedman
Billings Ramsey presentations can be accessed under "Events" in the Idenix
Investor Center at http://www.idenix.com/.  The archived replays will be
available on the Idenix website for two weeks following the presentations.

About Idenix:

Idenix Pharmaceuticals, Inc. is a biopharmaceutical company engaged in the
discovery and development of drugs for the treatment of human viral and other
infectious diseases.  Idenix's current focus is on the treatment of infections
caused by hepatitis B virus, hepatitis C virus and human immunodeficiency virus
(HIV).  Idenix's headquarters are located in Cambridge, Massachusetts and it
has drug discovery operations in Montpellier, France and Cagliari, Italy.

  Contact:
   Idenix Pharmaceuticals, Inc.
   Media: Teri Dahlman [phone]
   Investors: Amy Sullivan [phone]


DATASOURCE: Idenix Pharmaceuticals, Inc.



CONTACT:  Teri Dahlman, Media Contact, [phone], or Amy Sullivan,

Investor Contact, [phone], both of Idenix Pharmaceuticals, Inc.



Web site:  http://www.idenix.com/

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