Stock exchange release

Fortum shares subscribed for with share warrants

13 October 2005, 11:19 EEST

Fortum Corporation STOCK EXCHANGE ANNOUNCEMENT 13 September 2005

Fortum shares subscribed for with share warrants The following shares have been subscribed for with Fortum Corporation's share warrants in September 2005: Name of scheme Subscription period Quantity Management share option scheme 1999 9 September - 30 209,000 September 2005 Share Option Scheme 2002A for key 9 September - 30 2,600 employees September 2005 The corresponding increase in share capital has not yet been entered in the trade register. The next share subscriptions related to all of Fortum Corporation's option schemes will be registered on or around 9 December 2005, when the trading of shares subscribed for by the end of November 2005 will commence. The previous time when Fortum Corporation's share capital was increased as a result of share subscriptions based on the above option schemes was on 8 September 2005. Fortum Corporation Carola Teir-Lehtinen Senior Vice President, Corporate Communications For further information, please contact: Jouni Huttunen, tel. +358 10 452 4649 Distribution: Helsinki Stock Exchange Key media