F-Secure Oyj - Changes in company's own shares

SHARE REPURCHASE 13.8.2010

F-Secure Corporation      STOCK EXCHANGE ANNOUNCEMENT      13.8.2010            


SHARE REPURCHASE   13.8.2010                                                    

In the Helsinki Stock Exchange                                                  

Trade date              13.8.2010                                               
Bourse trade            BUY                                                     
Share                   FSC1V                                                   
Amount                  6.000                 shares                            
Total cost              12.660,00             EUR                               
Average price/ share    2,1100                EUR                               
Highest price/ share    2,11                  EUR                               
Lowest price/ share     2,11                  EUR                               


F-Secure Corporation now holds a total of 2.632.362 shares                      
including the shares repurchased on 13.8.2010.                                  


On behalf of F-Secure Corporation                                               

Nordea Bank Finland Plc                                                         

Petri Simberg             Julius Summanen