RusHydro's shares of additional issue on MICEX

September 27 th, 2012

RusHydro's shares of additional issue start trading on MICEX

JSC RusHydro announces that today the additional shares issued by the Company (state registration number 1-01-55038-Е-040D of August 16, 2011) have been included in the Quotation list "A", Level 1 on MICEX.

As a result of additional share issue RusHydro placed 27,334,817,715 shares, or 30.71% of the total approved amount.

The consolidation of additional share issue with the principal issue will be authorized by The Federal Financial Markets Service of Russia in 3 months after the state registration of the report on the securities issue results (approximately in early December 2012), after that the shares of additional issue will trade on the MICEX stock exchange within the Quotation list "A", Level 1 as a part of the principal issue of RusHydro.

For more information:

JSC RusHydro, Investor Relations Department

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

[email protected]

DISCLAIMER

The information in this press release may contain projections or other forward-looking statements regarding future events or the future financial performance of RusHydro. One can identify forward-looking statements by terms such as "expect," "believe," "anticipate," "estimate," "intend," "will," "could," "may" or "might," the negative of such terms or other similar expressions. We wish to caution you that these statements are only predictions and that actual events or results may differ materially from these statements.

We do not intend to update these statements to reflect events and circumstances occurring after the date hereof or to reflect the occurrence of unanticipated events. Many factors could cause the actual results to differ materially from those contained in our projections or forward-looking statements, including, among others, general economic conditions, our competitive environment, risks associated with operating in Russia and rapid technological and market changes in our industries, as well as many other risks specifically related to RusHydro and its operations.