The FFMS registered additional share issue of SEK

February 8th, 2012

The FFMS of Russia registered additional share issue of Sakhalin Energy Company

On February 7, 2013, the Federal Financial Markets Service of Russia registered the report on the results of additional issue of Sakhalin Energy Company ordinary shares (state registration number 1-01-32890-F -003D of December 13, 2012).

The number of shares of additional issue amounts to 1,825,571 with par value of RUR 1,000 per share.

As a result of additional share issue the share of RAO ES of East in Sakhalin Energy Company's share capital decreased to 9.9027%.

For more information:

JSC RusHydro, Investor Relations Department

Tel. +7 (495) 225-3232 ext. 1319, 1394, 1607

ir@rushydro.ru

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