Ukraine's Naftogaz says sends Gazprom draft supply agreement

MOSCOW (Reuters) - Ukraine's state oil and gas company Naftogaz said on Monday it has sent Russian gas producer Gazprom a draft proposal with amendments to an existing natural gas supply contract between the two neighbours.

"The supplemental agreement provides for amendments to the terms of the contract in terms of price, volume and conditions of supply of natural gas," the heavily indebted Ukrainian company said in a statement, without providing more details.