Stock exchange release

FORTUM SHARES SUBSCRIBED FOR WITH SHARE WARRANTS

10 September 2007, 9:59 EEST

The following Fortum shares, subscribed for with Fortum Corporation's share
warrants and paid to the company, will be traded on the Main List of the
Helsinki Stock Exchange starting on 11 September 2007, together with the old
shares.

-------------------------------------------------------------------------------- | Name of scheme | Subscription period | Quantity | -------------------------------------------------------------------------------- | Share Option Scheme 2002B for key | 10 May - | 646,973 | | employees | 31 August | | | | 2007 | | -------------------------------------------------------------------------------- The increase in share capital resulting from the share subscriptions, a total of EUR 2,199,708.20, was entered in the Trade Register on 10 September 2007. After this increase, Fortum Corporation's share capital is EUR 3,038,848,348.40 and the total number of shares is 892,118,926. Following the share subscriptions, the shareholders' equity of Fortum Corporation increased by a total of EUR 2,199,708.20. Identifiers of Fortum Corporation's share on 11 September 2007: Trading code: FUM1V ISIN code: FI0009007132 Number of shares: 892,118,926 The intention is that the next time share subscriptions related to the Fortum Share Option Scheme 2002B are registered will be approximately on 10 December 2007, when the new shares subscribed for by 30 November 2007 will be registered. Fortum Corporation Maria Romantschuk Senior Vice President, Corporate Communications Distribution: Helsinki Stock Exchange Key media