Stock exchange release

SHARE REPURCHASE 12.06.2006

12 June 2006, 18:30 EEST

Fortum Corporation ANNOUNCEMENT 12.06.2006

SHARE REPURCHASE 12.06.2006 In the Helsinki Stock Exchange Trade date 12.06.2006 Bourse trade BUY Share FUM1V Amount 80.000 shares Total cost 1.473.852,00 EUR Average price/ share 18,4232 EUR Highest price/ share 18,70 EUR Lowest price/ share 18,25 EUR Fortum Corporation now holds a total of 380.000 shares including the shares repurchased on 12.06.2006. On behalf of Fortum Corporation NORDEA BANK FINLAND PLC Petri Simberg Joakim Paul