MOSCOW, Dec. 28 - Russian nuclear fuel producer OJSC TVEL and Ukraine's national nuclear power company EnergoAtom signed a contract on the supply of nuclear fuel to Ukrainian power plants in 2010, a TVEL press release says.

This present contract is supplementary to an existing long-term agreement. With the annual contracts, TVEL and EnergoAtom coordinate the price of fuel, the timing of delivery and payments.