Medivir — M&A Activity 2011

Jun 13, 2011

NOT FOR RELEASE, DISTRIBUTION OR PUBLICATION INTO OR IN THE UNITED STATES, AUSTRALIA, CANADA, JAPAN OR THE REPUBLIC OF SOUTH AFRICA.

Press Release 13 June 2011

Reminder: last day for acceptance of the offer for BioPhausia is 14 June – will not be extended

As previously announced, the acceptance period for Medivir's offer for BioPhausia expires 3 p.m. CET on 14 June 2011.

The acceptance period will not be further extended.

For further information, please contact:

Medivir (www.medivir.com) Rein Piir, CFO & VP Investor Relations +46 (0)708 537 292

Medivir is required under the Securities Markets Act to make the information in this press release public. The information was submitted for publication at 8:15 a.m. CET on 13 June 2011.

Medivir in Brief

Medivir is an emerging research-based specialty pharmaceutical company focused on the development of high-value treatments for infectious diseases. Medivir has world class expertise in polymerase and protease drug targets and drug development which has resulted in a strong infectious disease R&D portfolio. The company's key pipeline asset is TMC435, a protease inhibitor which has recently entered phase 3 clinical development for hepatitis C and is partnered with Tibotec Pharmaceuticals. Medivir is headquartered in Huddinge, Sweden. Medivir's class B shares are admitted to trading on NASDAQ OMX Stockholm, Mid Cap.

BioPhausia in Brief

BioPhausia is a Swedish specialty pharma company. The business is divided into three main segments: Own products, Licensed products and Parallel-imported products. The portfolio of pharmaceuticals includes disease areas such as gastrointestinal, CNS (central nervous system) and emergency medicine, and includes, inter alia, products such as Mollipect and Citodon. Operations are carried out in the Nordic countries with a unit for repackaging in Poland. BioPhausia is headquartered in Stockholm, Sweden. The BioPhausia shares are admitted to trading on NASDAQ OMX Stockholm, Small Cap. BioPhausia's Listed Warrants are also listed on NASDAQ OMX Stockholm.

Important Information

This announcement is not for distribution or transmission, directly or indirectly, in or into the United States, Canada, Australia, Japan or the Republic of South Africa and does not constitute, or form part of, an offer to purchase, subscribe for, sell or exchange or the solicitation of an offer to purchase, subscribe for, sell or exchange any securities to any person in the United States, Canada, Australia, Japan or the Republic of South Africa, nor the solicitation of any vote or approval in any such jurisdiction, nor shall there be any sale, issue or transfer of the securities referred to in this announcement in any jurisdiction in contravention of applicable law (the "Restricted Jurisdictions"). The Offer is not being made, directly or indirectly, in or into the United States or any other Restricted Jurisdiction, or by use of the mails, or by any means or instrumentality (including, without limitation, facsimile transmission, telephone and the internet) of interstate or foreign commerce, or of any facility of a national securities exchange, of the United States or any other Restricted Jurisdiction and the Offer cannot be accepted by any such use, means, instrumentality or facility or from within the United States or any other Restricted Jurisdiction. The Medivir shares have

NOT FOR RELEASE, DISTRIBUTION OR PUBLICATION INTO OR IN THE UNITED STATES, AUSTRALIA, CANADA, JAPAN OR THE REPUBLIC OF SOUTH AFRICA.

not been and will not be registered under the US Securities Act of 1933, as amended (the "Securities Act") and may not be offered or sold in the United States unless registered under the Securities Act or an exemption from such registration is available. No offering of Medivir shares is being made in the United States.