F-Secure Corporation ANNOUNCEMENT 4.10.2011 SHARE REPURCHASE 4.10.2011 In the Helsinki Stock Exchange Trade date 4.10.2011 Bourse trade BUY Share FSC1V Amount 13.000 shares Total cost 25.610,00 EUR Average price/ share 1,9700 EUR Highest price/ share 1,99 EUR Lowest price/ share 1,89 EUR F-Secure Corporation now holds a total of 3.873.858 shares including the shares repurchased on 4.10.2011. On behalf of F-Secure Corporation Nordea Bank Finland Plc Petri Simberg Julius Summanen