F-Secure Corporation ANNOUNCEMENT 14.12.2010 SHARE REPURCHASE 14.12.2010 In the Helsinki Stock Exchange Trade date 14.12.2010 Bourse trade BUY Share FSC1V Amount 11.000 shares Total cost 22.268,00 EUR Average price/ share 2,0244 EUR Highest price/ share 2,04 EUR Lowest price/ share 2,01 EUR F-Secure Corporation now holds a total of 3.231.913 shares including the shares repurchased on 14.12.2010. On behalf of F-Secure Corporation Nordea Bank Finland Plc Petri Simberg Julius Summanen