Moscow, 17 October 2008. By order of the Chief Executive Officer of Closed Joint Stock Company "Moscow Interbank Currency Exchange" (MICEX), October 17, 2008 has been set as the opening date for trading of the additional issue of registered ordinary shares of OJSC INTER RAO UES, state registration numbers 1-02-33498-E-001D of 18.03.2008, 1-02-33498-E-003D of 18.03.2008, 1-02-33498-E-004D of 18.03.2008. The mentioned additionally issued stock will be featured in the Non-Listed Stock section of the MICEX-Quoted Securities List.

Earlier, due to 3 months having passed since the state registration of placement reports on additional issues of registered ordinary uncertified shares in OJSC INTER RAO UES (Russia Federal Financial Markets Service order of 23.09.2008, No. 08-2238/pz-i), there were annulled the following individual numbers (codes): 002D of state registration number  1-02-33498-E-002D of 18.03.2008, 005D of state registration number  1-02-33498-E-005D of 18.03.2008, 006D of state registration number 1-02-33498-E-006D of 18.03.2008.

In compliance with the above order, there have been changed, by RTS, effective as of October 13, 2008, and by MICEX, effective as of October 16, 2008, the parameters of quoted ordinary shares in OJSC INTER RAO UES of state registration number 1-02-33498-E of 18.03.2008: the number of shares in this issue is 1,296,399,050,364.

This means that starting October 17, 2008 the entire outstanding stock of OJSC INTER RAO UES may be traded without restrictions on Russia's two major stock exchanges, namely Russian Trading System Stock Exchange (RTS) and Moscow Interbank Currency Exchange (MICEX).