Fortum files mandatory offer to the minority shareholders of Russian TGC-10

Fortum Corporation                                                              
Stock exchange release                                                          
29 April 2008 

Fortum files mandatory offer to the minority shareholders of Russian TGC-10     

Fortum Corporation's fully-owned subsidiary, Fortum Russia B.V., has today filed
with the Russian Territorial Generating Company No. 10 (TGC-10) the mandatory   
public tender offer to TGC-10 minorities. The period of offer is from
30 April until 18 July 2008. The terms and conditions of the mandatory offer    
were published yesterday and can be viewed at Fortum's website www.fortum.com.  


Fortum Corporation                                                              
Maria Romantschuk                                                               
Senior Vice President, Communications                                           

Distribution:                                                                   
OMX Nordic Exchange Helsinki                                                    
Key media                                                                       
www.fortum.com