MEDIVIR TO RECEIVE SHARES IN PRESIDIO PHARMACEUTICALS

MEDIVIR TO RECEIVE SHARES IN PRESIDIO PHARMACEUTICALS

A completed share issue of USD 26m in the San Francisco-based company Presidio
Pharmaceuticals, Inc., Medivir's licensing partner for the antiviral compounds
alovudine (MIV-310) and PPI-801/802 (MIV-410), will trigger Medivir receiving
Series B shares in Presidio.

Several US institutions, including Panorama Capital, Baker Bros Investments,
Nexus Medical Partners, and Bay City Capital, as well as the Canadian venture
firm Ventures West and existing investors Sagamore Bioventures, have invested in
the new share issue.
”The quality of the investors Presidio has attracted reflects the potential that
world-class investors see in these antiviral programs, and we are looking
forward to seeing them proceed further in development," commented the CEO of
Medivir HIV Franchise, Bo Öberg."We are impressed by PPI-801/802's new mechanism of action and its excellent
preclinical efficacy against multi-drug resistant virus isolates.  We are
pleased to have Medivir as a partner as we move forward into clinical studies
with PPI-801/802, and closer to the day when this drug can help the growing
number of patients who are infected with resistant HIV," said Dr Omar K. Haffar,
President and CEO of Presidio.


For additional information please contact:	
Rein Piir, CFO and VP, Investor Relations, Medivir AB +46 8 546 831 23 

For further information on Medivir, please see our website: www.medivir.se. 


About Presidio Pharmaceuticals, Inc:
Presidio Pharmaceuticals, Inc is a specialty pharmaceutical company focusing on
in-licensing, developing and commercializing novel therapeutics for chronic
viral infections, including HIV-1, HCV, and CMV. 

For more information about Presidio, please visit www.presidiopharma.com