KIEV, July 7 - Ukrainian national oil firm Naftogaz Ukrayiny transferred around $860 million to Russian gas giant OJSC Gazprom, thereby fully paying for natural gas supply to the country in June 2011, the company.

The natural gas price for the second quarter of 2011 came to $297 per 1,000 cubic meters, the company said.

Naftogaz Ukrayiny has been paying its debt for gas imports on time, in-full and on a monthly basis, the company said.