Press Release


   Lawsuit Asserts Products Do Not Infringe on Geoworks Patent
                  and Patent is Invalid and Unenforceable

   Redwood  city,  Calif.  (April  25, 2000), Inc., a leading
   provider  of software enabling delivery of Internet-based applications
   and services to wireless telephones, announced today that it has filed
   a  lawsuit  in  the  United  States District Court in San Jose against
   Geoworks  Corporation.  The  lawsuit  alleges, and seeks a court order
   declaring,  that U.S. Patent No. 5,327,529 (the '529 patent), assigned
   to  Geoworks is not infringed by and that the '529 patent is
   also  invalid  and unenforceable. As a leader in the wireless Internet
   industry,  took  this  action  in  response  to  Geoworks'
   aggressive attempt to require industry participants to obtain licenses
   under  the  Geoworks  patent. In its complaint, asserts that's technology does not infringe the Geoworks '529 patent, and
   that the patent is also invalid and unenforceable.

   Alan  Black,  Chief  Financial Officer and Vice President of
   said,  "We  believe  that  this  lawsuit  will  produce an unequivocal
   declaration  that  Geoworks'  patent  has  no  relation to, and is not
   infringed  by,'s  technology,  and  that,  in addition, the
   patent is invalid and unenforceable."

   The  full  text  of's  complaint  is  available  online  at

   About,  Inc.  (Nasdaq: PHCM) is a leading provider of software and
   applications  that  enable  the  delivery  of Internet-based voice and
   information  services  to  mass-market  wireless telephones. Using its
   software,  wireless  subscribers have access to Internet and corporate
   intranet-based  services,  including  email,  news,  stocks,  weather,
   travel  and  sports.  In  addition,  subscribers have access via their
   wireless  telephones  to  network  operators' intranet-based telephony
   services,   which   may  include  unified  messaging,  voice  dialing,
   over-the-air activation, billing history information, and pricing plan
   subscription. is headquartered in Silicon Valley, California
   and  has regional offices in Belfast, London, Paris, Tokyo, Hong Kong,
   and Seoul. Visit for more information. Except for
   the  historical information contained herein, the matters discussed in
   this  news  release are forward-looking statements involving risks and
   uncertainties  that  could  cause  actual results to differ materially
   from  those  in  such  forward-looking statements. Potential risks and
   uncertainties  include,  but  are  not limited to,'s limited
   operating  history,  potential  fluctuations  in's operating
   results,  uncertainties  related  to's long sales cycle and
   reliance on a small number of customers,'s dependence on the
   acceptance   of   its  products  by  network  operators  and  wireless
   subscribers,'s   ability   to   adequately   address   the
   rapidly-evolving   market  for  delivery  of  Internet-based  services
   through   wireless   telephones,   the   need  to  achieve  widespread
   integration of's browser in wireless telephones, competition
   from   companies  with  substantially  greater  financial,  technical,
   marketing  and  distribution resources and the ability of to
   manage  a  complex  set  of  engineering,  marketing  and distribution
   relationships. Further information regarding these and other risks are
   included  in's  Form  10-Q for quarters ended September 30,
   1999, and December 31, 1999, in its prospectus dated November 16, 1999
   and in its other filings with the Securities and Exchange Commission.

                                   # # #

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