F-Secure Corporation STOCK EXCHANGE ANNOUNCEMENT 29.10.2010 SHARE REPURCHASE 29.10.2010 In the Helsinki Stock Exchange Trade date 29.10.2010 Bourse trade BUY Share FSC1V Amount 9.000 shares Total cost 19.503,80 EUR Average price/ share 2,1671 EUR Highest price/ share 2,18 EUR Lowest price/ share 2,15 EUR F-Secure Corporation now holds a total of 2.835.698 shares including the shares repurchased on 29.10.2010. On behalf of F-Secure Corporation Nordea Bank Finland Plc Petri Simberg Julius Summanen