Moscow, 19 August 2008. Due to registration of the new version of the Charter of OJSC INTER RAO UES approved by the General Meeting of Shareholders of the Company on June 25, 2008, Open Joint Stock Company “INTER RAO UES” announces the change of its registered address (place of business).

The new registered address of OJSC INTER RAO UES is as follows: 12, Krasnopresnenskaya Embankment, Entrance 7, Moscow, 123610, Russian Federation.