Idenix Pharmaceuticals to Present at Two Upcoming Investor Conferences

CAMBRIDGE, Mass., April 23  /PRNewswire-FirstCall/ -- Idenix Pharmaceuticals, Inc. (NASDAQ:IDIX) announced today that Idenix management will present a corporate overview at the upcoming Deutsche Bank 32nd Annual Healthcare Conference on Wednesday, May 2nd at 1:45 p.m. (EDT) in Washington, D.C. and the 2007 Morgan Stanley Global Healthcare Unplugged Conference on Thursday, May 3rd at 10:15 a.m. (EDT) in Key Biscayne, FL.

The live and archived webcasts of the company presentations can be accessed under "Calendar of Events" in the Idenix Investor Center at http://www.idenix.com/ .  Please log in approximately 5-10 minutes before the events to ensure a timely connection.  The archived replays will be available on the Idenix website for two weeks following the conferences.  The company presentations will be available for download in PDF format in the "Investor Presentations" section of the Investor Center immediately following the presentations.

About Idenix

Idenix Pharmaceuticals, Inc., headquartered in Cambridge, Massachusetts, is a biopharmaceutical company engaged in the discovery, development and commercialization 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). For further information about Idenix, please refer to http://www.idenix.com/ .

  Idenix Pharmaceuticals' Contacts:
  Media: Teri Dahlman [phone]
  Investors: Amy Sullivan [phone]


DATASOURCE: Idenix Pharmaceuticals, Inc.



CONTACT: Media, Teri Dahlman, [phone], or Investors, Amy

Sullivan, [phone]



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

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