JSC RusHydro (ticker symbol: RTS, MICEX, LSE: HYDR; OTCQX: RSHYY) announces extension of the period of the open subscription to Company’s shares of additional issue (state registration number 1-01-55038-Å-041D of December 3, 2012) through August 15, 2013 (inclusively).

The decision to extend open subscription was made in connection to the specific procedure of obtaining assets as per the issuance documents.

Bids to acquire RusHydro’s shares can be submitted every day from 10:00 to 17:00 Moscow time, except Saturday, Sunday and non-working public holidays, to JSC IK EVROFINANSY: Shabolovka str., 10, bld. 2, Moscow, Russia, 119049 or directly to RusHydro: Malaya Dmitrovka str., 7, Moscow, Russia, 127006.

In accordance with article 8.3 of the “Decision on additional share issue”, RusHydro reserves the right to accept or decline received offers.

The increase of RusHydro’s share capital by issuance and placement through open subscription of 110 bn additional ordinary shares with a par value of RUR 1 was approved by the EGM on November 16, 2012. For more information on additional share issue please visit the Company’s website: http://www.eng.rushydro.ru/investors/stock-market/shares.