F-Secure Corporation ANNOUNCEMENT 22.8.2011 SHARE REPURCHASE 22.8.2011 In the Helsinki Stock Exchange Trade date 22.8.2011 Bourse trade BUY Share FSC1V Amount 12.000 shares Total cost 23.960,00 EUR Average price/ share 1,9967 EUR Highest price/ share 2,00 EUR Lowest price/ share 1,98 EUR F-Secure Corporation now holds a total of 3.700.381 shares including the shares repurchased on 22.8.2011. On behalf of F-Secure Corporation Nordea Bank Finland Plc Petri Simberg Julius Summanen