Results of the BoD May 31, 2012

Results of the Board of Directors meeting on May 31, 2012

June 1, 2012. Moscow, Russia. JSC RusHydro (ticker symbol: MICEX-RTS, LSE: HYDR; OTCQX: RSHYY) announces the results of the Board of Directors meeting held in absentia on May 31, 2012.

The Board approved the report on execution of innovations development program in 2011. The total financing amounted to RUR 3.8 bn.

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The Board approved the report on activities of the Management Board in 2011. The Management Board held 84 meetings, considered 484 issues.

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The Board approved the sale of over-the-balance electricity from RusHydro's Bureyskaya hydropower plant to Inter RAO UES in the non-price zone, qualified as interested-party transaction.

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The Board approved the contract of sub-lease of a land plot between RusHydro and Federal Grid Company qualified as interested-party transaction.

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The Board approved the sponsorship and charity program for 2012 for a total amount of RUR 600 mn, as well as Company's regulations on charitable and sponsor activities.

About RusHydro:

RusHydro Group is one of Russia's largest generating companies. RusHydro is the leading producer of renewable energy in Russia with over 70 generating facilities in Russia and abroad. The company also manages a number of R&D, engineering and electricity retail companies. Group's thermal assets are operated by subsidiary - RAO Energy System of East in the Far East of Russia. Total electricity generation capacity of the Group is 35.2 GW, heat capacity - 16.2 thousand GCal/h.

Russian Federation owns 57.97% in RusHydro, the rest is held by other institutional and individual shareholders (over 360,000). The company's stock is traded on the MICEX and RTS stock exchanges, and included in MSCI EM и MSCI Russia indexes. Company's GDRs in the IOB section of LSE, ADRs - in OTCQX.

For more information:

JSC RusHydro, Investor Relations Department

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

[email protected]

The information in this press release may contain projections or other forward-looking statements regarding future events or the future financial performance of RusHydro. You 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, rapid technological and market change in our industries, as well as many other risks specifically related to RusHydro and its operations.