F-Secure Corporation ANNOUNCEMENT 28.10.2011 SHARE REPURCHASE 28.10.2011 In the Helsinki Stock Exchange Trade date 28.10.2011 Bourse trade BUY Share FSC1V Amount 20.000 shares Total cost 43.760,75 EUR Average price/ share 2,1880 EUR Highest price/ share 2,19 EUR Lowest price/ share 2,18 EUR F-Secure Corporation now holds a total of 3.913.858 shares including the shares repurchased on 28.10.2011. On behalf of F-Secure Corporation Nordea Bank Finland Plc Petri Simberg Julius Summanen