REGISTRATION OF AMENDMENTS TO OGK-4 ARTICLES OF ASSOCIATION IN CONNECTION WITH INCREASED CHARTER CAPITAL

September 4, 2008, the Inspectorate of the Federal Tax Service for Surgut, Khanty-Mansijsk Autonomous District, registered the Amendments to the Charter of Fourth Generation Company of the Wholesale Electricity Market (OGK-4) in connection with an increase in the Company's charter capital.

In accordance with the restated Charter, the OGK-4 charter capital is 25,219,482,458.37 rubles. The Company's outstanding shares are registered ordinary shares, each with a nominal value of 0.40 rubles, comprising 63,048,706,145 whole shares and 44,925,042,874/49,130,625,974 fractional shares.

As reported earlier, FFMS on April 29, 2008, registered two additional issues totaling 32,539,735 OGK-4 shares. The share placement was part of the final phase of the reorganization of RAO UES of Russia. The share placement took place on July 1, 2008 via converting of the ordinary and preferred JSC OGK-4 Holding shares into JSC OGK-4 ordinary shares. OGK-4 actually placed 31,590,306 ordinary shares, each with a nominal value of 0.40 Russian rubles.

The open joint stock company Forth Generation Company of the Wholesale Electricity Market (OGK-4) operates five power generation plants with the total capacity of 8,630 MW, including Surgutskaya GRES-2 (4,800 MW, Khanty-Mansi Autonomous District), Berezovskaya GRES (1,500 MW, Krasnoyarsk territory), Shaturskaya GRES (1,100 MW, Moscow region), Smolenskaya GRES (630 MW, Smolensk region) and Yayvinskaya GRES (600 MW, Perm territory). 76% of OGK-4 shares belong to E.ON Russia Power GmbH – a 100% affiliate of E.ON AG, coordinating corporation’s energy business in Russia.