Fortum Corporation ANNOUNCEMENT 25.10.2007 SHARE REPURCHASE 25.10.2007 In the Helsinki Stock Exchange Trade date 25.10.2007 Bourse trade BUY Share FUM1V Amount 400.000 shares Total cost 11.690.792,27 EUR Average price/ share 29,2270 EUR Highest price/ share 29,80 EUR Lowest price/ share 28,95 EUR Fortum Corporation now holds a total of 1.990.000 shares including the shares repurchased on 25.10.2007. On behalf of Fortum Corporation NORDEA BANK FINLAND PLC Petri Simberg Jarkko Järvinen