F-Secure Corporation STOCK EXCHANGE ANNOUNCEMENT 6.8.2010 SHARE REPURCHASE 6.8.2010 In the Helsinki Stock Exchange Trade date 6.8.2010 Bourse trade BUY Share FSC1V Amount 3.900 shares Total cost 8.375,00 EUR Average price/ share 2,1474 EUR Highest price/ share 2,15 EUR Lowest price/ share 2,14 EUR F-Secure Corporation now holds a total of 2.590.888 shares including the shares repurchased on 6.8.2010. On behalf of F-Secure Corporation Nordea Bank Finland Plc Petri Simberg Julius Summanen