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                         ICN Pharmaceuticals, Inc.
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              (Name of Registrant as Specified in its Charter)

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Following is the text of a press release issued on May 15, 2001:


[LOGO - ICN]

ICN PHARMACEUTICALS, INC.

International Headquarters
ICN Plaza
3300 Hyland Avenue
Costa Mesa, California 92626

Telephone:  (714) 545-0100 x.3230
FAX:  (714) 641-7215
Telex:  67-0413


Media:                                             Investors:
------                                             ----------
Peter Murphy                                       Joseph Schepers
714-545-0100 ext. 3213                             212-754-4422


               RIBAPHARM FILES AMENDED REGISTRATION STATEMENT

Costa Mesa, CA, May 15, 2001 - ICN Pharmaceuticals,  Inc. (NYSE: ICN) today
announced that Ribapharm Inc. filed an amended S-1  registration  statement
with the Securities and Exchange  Commission (SEC) relating to the proposed
initial  public  offering  (IPO)  of  shares  of  Class A  Common  Stock of
Ribapharm  Inc. UBS Warburg is acting as a lead  underwriter  (book-runner)
and CIBC World Markets is the co-manager for this offering.

Ribapharm Inc. will comprise the following:

     o    ICN's royalty stream from ribavirin:  an ICN-discovered drug that
          is  licensed to  Schering-Plough  for sales in  combination  with
          Schering's Interferon A as REBETRON(TM)in the U.S. and REBETOL(R)
          (ribavirin/Virazole(R))  in Europe for the treatment of Hepatitis
          C.

     o    ICN's R&D operations, including:

          o    ICN's library of at least 3,500 nucleoside  analog compounds
               (chemically modified compenents of DNA)

          o    Laboratories and equipment

          o    Patents

          o    R&D personnel

          o    Facilities in California

When  available,  copies  of the  preliminary  prospectus  relating  to the
offering  of  shares  of Class A  Common  Stock of  Ribapharm  Inc.  may be
obtained  from the offices of UBS Warburg LLC,  299 Park Avenue,  New York,
New York 10171 (212) 821-4011.

A registration  statement relating to the shares of Class A common stock of
Ribapharm  Inc.  has  been  filed  with the U.S.  Securities  and  Exchange
Commission but has not yet become  effective.  These  securities may not be
sold nor may offers to buy be accepted  prior to the time the  registration
statement becomes  effective.  This  communication  shall not constitute an
offer to sell or the  solicitation  of an offer to buy,  nor shall there be
any sale of these securities in any state in which such offer, solicitation
or sale would be unlawful prior to registration or qualification  under the
securities  laws of any such state.  ICN is an innovative,  research-based,
global  pharmaceutical  company that manufactures markets and distributes a
broad range of prescription and non-prescription  pharmaceuticals under the
ICN brand name.  Its  therapeutic  focus is on  anti-infectives,  including
anti-virals,  dermatology  and  oncology.  Additional  information  is also
available on the company's website at http://www.icnpharm.com.

THE 'SAFE HARBOR' STATEMENT UNDER THE PRIVATE SECURITIES  LITIGATION REFORM
ACT OF 1995. This press release  contains  forward-looking  statements that
involve risks and uncertainties  including, but not limited to, projections
of future sales, operating income,  subsidiary  reorganization,  regulatory
approval processes,  operations in countries with unstable  economies,  the
progress  of FDA  reviews,  and other risks  detailed  from time to time in
ICN's Securities and Exchange Commission filings.

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