F-Secure Corporation ANNOUNCEMENT 12.8.2011 SHARE REPURCHASE 12.8.2011 In the Helsinki Stock Exchange Trade date 12.8.2011 Bourse trade BUY Share FSC1V Amount 6.000 shares Total cost 12.680,00 EUR Average price/ share 2,1133 EUR Highest price/ share 2,12 EUR Lowest price/ share 2,10 EUR F-Secure Corporation now holds a total of 3.651.881 shares including the shares repurchased on 12.8.2011. On behalf of F-Secure Corporation Nordea Bank Finland Plc Petri Simberg Julius Summanen