KIEV, June 13 - Ukraine's national oil and gas company Naftogaz Ukrayiny purchased 320-350 million cubic meters (mcm) of gas from Russian gas giant Gazprom last month, Energy and Coal Industry Minister Eduard Stavytsky told the press in Kiev.

"We bought 320-350 million cubic meters of gas in May. The announced amount for June is 350 million cubic meters of gas," the minister said.

The minister added that Ukraine bought Russian gas for $400-405 per 1,000 cubic meters in May.