HydroOGK and UC RUSAL appointed Power Machines to produce and deliver hydro generators to Boguchanskaya Hydropower Plant

Moscow, September 7, 2007 — UC RUSAL, the world’s largest producer of aluminum and alumina, and HydroOGK, the Russian leader of the renewable energy sector, announce the appointment of Power Machines to supply hydro generators to Boguchanskaya HPP.

Under the contract, Power Machines will design, manufacture and supply nine hydro generators, each with a 330 MW nominal capacity, to Boguchanskaya HPP. The equipment is set to be delivered from 2009 to 2012. In addition, Power Machines will deliver technical supervision during installation and pre-operational verification. The contract value exceeds RUR 3 billion.

Boguchanskaya Hydropower Plant on the Angara river is the largest ongoing construction project in the Russian energy sector. Construction of the power plant is part of the Boguchanskoye Energy and Metals Complex project, which also includes the construction of Boguchansky Aluminum Smelter. The aluminium smelter will be a major consumer of the energy generated by the power plant. UC RUSAL and HydroOGK carry out the project on a parity basis.

About the companies:
Federal Hydro Generating Company (HydroOGK, www.gidroogk.ru) is Russia’s largest hydro generating company. HydroOGK unites 49 Russian hydropower stations with an overall capacity of 23.3 GW. Every 14th kW/h in Russia is produced by HydroOGK’s hydropower plants.

United Company RUSAL (www.rusal.com) is the global leader in the aluminum industry, accounting for approximately 12.5% and 16% of global production of aluminum and alumina respectively. The company was founded in March 2007 through the merger of RUSAL, SUAL, and the alumina assets of Glencore. United Company RUSAL employs 100,000 people in 19 countries, across 5 continents.