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

SHARE REPURCHASE 16.12.2010

  F-Secure Corporation       ANNOUNCEMENT         16.12.2010
  SHARE REPURCHASE 16.12.2010                               
  In the Helsinki Stock Exchange                            
  Trade date                        16.12.2010              
  Bourse trade               BUY                            
  Share                      FSC1V                          
  Amount                                 6.000  shares      
  Total cost                         12.200,00  EUR         
  Average price/ share                  2,0333  EUR         
  Highest price/ share                    2,04  EUR         
  Lowest price/ share                     2,03  EUR         
  F-Secure Corporation now holds a total of 3.247.913 shares
  including the shares repurchased on 16.12.2010.           
  On behalf of F-Secure Corporation                         
  Nordea Bank Finland Plc                                   
  Petri Simberg              Julius Summanen