Statement re: Cut off date (AGM)

19 May 2010

Information on the date of closing the register of the Issuer's shareholders (cut off date)

1. Category (type) of the issuer's shares for which a shareholder list is made as of a certain date: common registered uncertified shares

2. Purpose for making the issuer's shareholders list: holding the Annual General Meeting of Shareholders

3. Date for which the issuer's shareholders list is made: 19.05.2010

4. Date of compilation and number of the minutes of the issuer's authorized body's meeting that adopted a resolution on the date for making the issuer's shareholders list or another resolution that allows the date for making such a list to be determined: minutes of the Board of Directors' meeting No.98 of 19.05.2010.

JSC RusHydro Member of the

Management Board   E.E. Gorev

(pursuant to the power of attorney No.2576 of 24.11.2009)