F-Secure Corporation STOCK EXCHANGE ANNOUNCEMENT 10.6.2010 SHARE REPURCHASE 10.6.2010 In the Helsinki Stock Exchange Trade date 10.6.2010 Bourse trade BUY Share FSC1V Amount 14.000 shares Total cost 28.724,00 EUR Average price/ share 2,0517 EUR Highest price/ share 2,06 EUR Lowest price/ share 2,05 EUR F-Secure Corporation now holds a total of 2.315.141 shares including the shares repurchased on 10.6.2010. On behalf of F-Secure Corporation Nordea Bank Finland Plc Petri Simberg Julius Summanen