RID upgrades RusHydro corporate governance rating

February 26, 2015

Russian Institute of Directors upgrades RusHydro's corporate governance rating

JSC RusHydro (ticker symbol: MOEX, LSE: HYDR; OTCQX: RSHYY) announces that the Russian Institute of Directors (RID), a non-profit partnership of Russian issuers, has upgraded its National Corporate Governance Score (NCGS) for RusHydro from 7+ (Developed Corporate Governance Practices) to 8 (Advanced Corporate Governance Practice) according to the NCGS scale.

About RID:

RID is the leading Russian consulting and education center in corporate governance which assesses the corporate governance status of major Russian companies. National Corporate Governance Score is a comprehensive assessment of the corporate governance practice of a particular company with regard to four components: shareholders' rights, membership and work efficiency of management and control bodies, information disclosure, activity in favor of other interested parties and corporate social liability.

 For more detailed information on the rating procedure visit: http://rid.ru/

Address: 123022, Moscow, Krasnaya Presnya street, 28, building 2

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 37.5 GW, heat capacity - 16.2 thousand GCal/h.

Russian Federation owns 66.8% 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:

Investor Relations Department

Tel. +7 (800) 333 8000 ext. 1607, 1319, 1304

[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.