F-Secure Corporation ANNOUNCEMENT 9.9.2011 SHARE REPURCHASE 9.9.2011 In the Helsinki Stock Exchange Trade date 9.9.2011 Bourse trade BUY Share FSC1V Amount 1.500 shares Total cost 3.060,00 EUR Average price/ share 2,0400 EUR Highest price/ share 2,04 EUR Lowest price/ share 2,04 EUR F-Secure Corporation now holds a total of 3.761.981 shares including the shares repurchased on 9.9.2011. On behalf of F-Secure Corporation Nordea Bank Finland Plc Petri Simberg Julius Summanen