July 30^th, 2010 — Today, JSC RusHydro (ticker symbol - LSE, RTS, MICEX: HYDR) announced its unaudited financial results for the first six months of 2010 in accordance with Russian Accounting Standards (RAS).

Financial Highlights

	6m 2010, million RUR	6m 2009, million RUR	YoY, %
Revenue	42,003.3	39,150.4	7.3
Cost of goods, products, work and services sold	(19,046.7)	(17,227.9)	10.6
Gross profit	22,956.6	21,922.5	4.7
Other income	49,148.8	17,791.9	176.2
Other costs	(45,711.1)	(16,138.2)	183.2
EBITDA*	26,970.3	26,023.6	3.6
Net profit	20,728.9	18,347.5	13.0

*EBITDA is calculated as gross profit excluding depreciation

According to results for the first six months of 2010, JSC RusHydro’s revenues increased 7.3%, reaching RUR 42,003.3 million – compared with RUR 39,150.4 million  for the first six months of 2009. The driving factors behind the revenue growth include:

•  an increase in the share of sales at unregulated prices in accordance with the schedule for wholesale electricity and capacity market liberalization;

•  the growth in electricity prices on the free market (day-ahead-market);

•  increased sales of electricity produced at the Zeyskaya HPP and the Bureyskaya HPP, including volumes produced above the balance sheet established by the FTS (the Federal Tariff Service);

•  the growth  in electricity sales on the balancing market (which balances  supply and demand in real time, where prices are generally higher).

The majority of JSC RusHydro’s total revenues is represented by electricity and capacity sales:

	6m 2010, million RUR	6m 2009, million RUR	YoY, %
Revenue from the sale of products, work, services	42,003.3	39,150.4	7.3
Revenue from the sale of electricity	17,633.3	13,118.0	34.4
Revenue from the sale of capacity	24,200.2	25,892.6	-6.5

Revenue from the sale of heat	73.8	70.5	4.7
Revenue from other transactions	95.9	69.3	38.4

The cost of goods, products, work and services sold for the first six months of 2010 totaled  RUR 19,046.7 million, which represents a  10.6% increase compared to the first six months of 2009.

The main factor explaining the cost increase was higher volumes of electricity and capacity purchases on the free market to fulfill obligations under regulated agreementsdue to the accident at the Sayano-Shushenskaya HPP, specifically:

•  an increase in  costs to  purchase electricity from RUR 2,230.7 million to RUR 3,808.0 million –a 70.7% increase, compared to the first six months of 2009;

•  a RUR 167.7 million increase in costs for purchasing  capacity, compared to the first six months of 2009.

JSC RusHydro’s gross profits for the reporting period increased 4.7%, compared to the first six months of 2009 and reached  RUR 22,956.6 million.

JSC RusHydro’s other income for the reporting period reached RUR 49,148.8 million, compared to RUR 17,791.9 million  for the same period of the previous year.  The main factors behind the  increase in other income included:  actions aimed at the novation of the debt on promissory notes of JSC RusHydro’s subsidiaries and associates. This novation also influenced the item “Other income” that caused other income to grow from RUR 16,138.2 million for the first six months of 2009 to RUR 45,711.1 million for the first six months of 2010.

The Company’s EBITDA equaled  RUR 26,970.3million - a 3.6% increase, compared to the first six months of 2009.

JSC RusHydro’s net profit, in accordance with Russian Accounting Standards, increased 13% and reached  RUR 20,728.9 million.

Key indicators of the Company’s financial position, as of June 30^th, 2010

As of June 30^th, 2010, JSC RusHydro’s total assets increased by RUR 24,530.4 million (or by 5.2%), compared to the same indicator as of January 1^st, 2010, and amounted to RUR 500,039.5 million.

The increase in assets was primarily driven by:

•  growth in  accounts receivable, payments on which are expected  12 months after the reporting date, by RUR 29,637.0 million, as a result of restructuring the debt of the promissory notes of subsidiaries and associates;

•  an increase in the value of long-term financial investments by RUR 3,993.5 million, compared to the same indicator as of the beginning of the reporting period, due to the acquisition of shares of subsidiaries ad associates.

As of June 30^th, 2010, the Company’s total liabilities equaled  RUR 34,196.8 million, which  is a 12.7 % increase, compared to the beginning of the reporting period.

The increase was principally the result of the  occurrence of obligations before the Company’s shareholders within the framework of the additional issue of ordinary shares prior to  making amendments to the Company’s Articles of Association, in the amount of RUR 4,603.0 million.

As of June 30^th, 2010, JSC RusHydro’s total equity stood at  RUR 465,842.7 million, compared to RUR 445,162.5 million as of January 1^st, 2010. The 4.6% growth in this indicator was primarily caused by a RUR 20,179.8 million increase in retained profits.