F-Secure Corporation ANNOUNCEMENT 14.9.2011 SHARE REPURCHASE 14.9.2011 In the Helsinki Stock Exchange Trade date 14.9.2011 Bourse trade BUY Share FSC1V Amount 11.000 shares Total cost 21.890,00 EUR Average price/ share 1,9900 EUR Highest price/ share 2,00 EUR Lowest price/ share 1,97 EUR F-Secure Corporation now holds a total of 3.779.719 shares including the shares repurchased on 14.9.2011. On behalf of F-Secure Corporation Nordea Bank Finland Plc Petri Simberg Julius Summanen