F-Secure Corporation STOCK EXCHANGE ANNOUNCEMENT 16.8.2010 SHARE REPURCHASE 16.8.2010 In the Helsinki Stock Exchange Trade date 16.8.2010 Bourse trade BUY Share FSC1V Amount 7.000 shares Total cost 14.590,00 EUR Average price/ share 2,0843 EUR Highest price/ share 2,10 EUR Lowest price/ share 2,07 EUR F-Secure Corporation now holds a total of 2.639.362 shares including the shares repurchased on 16.8.2010. On behalf of F-Secure Corporation Nordea Bank Finland Plc Petri Simberg Julius Summanen