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

SHARE REPURCHASE 15.12.2010

  F-Secure Corporation         ANNOUNCEMENT          15.12.2010
  SHARE REPURCHASE 15.12.2010                                  
  In the Helsinki Stock Exchange                               
  Trade date                           15.12.2010              
  Bourse trade                 BUY                             
  Share                        FSC1V                           
  Amount                                   10.000  shares      
  Total cost                            20.190,00  EUR         
  Average price/ share                      2,019  EUR         
  Highest price/ share                       2,03  EUR         
  Lowest price/ share                        2,01  EUR         
  F-Secure Corporation now holds a total of 3.241.913 shares   
  including the shares repurchased on 15.12.2010.              
  On behalf of F-Secure Corporation                            
  Nordea Bank Finland Plc                                      
  Petri Simberg                Julius Summanen