Notice of full year 2011 RAS results

March 27th, 2012

Notice of full year 2011 RAS results

JSC RusHydro (ticker symbol: MICEX-RTS, LSE: HYDR; OTCQX: RSHYY) announces that it will publish its audited non-consolidated financial results under Russian accounting standards for the year ended December 31, 2011 on March 30, 2012.

The results will be published in the form of an audited report (in Russian language only), accompanied by press-releases in English and Russian languages.

The report in Russian will be available on the corporate website:

http://www.rushydro.ru/investors/disclosure/reports/finreports2/2011

RusHydro expects to post its FY2011 consolidated financial results under IFRS in late April 2012.

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.