KIEV, July 7 – Hearings by the Arbitration Institute of the Stockholm Chamber of Commerce in litigation between national joint-stock company Naftogaz Ukrayiny and Russia's OJSC Gazprom over the natural gas supply and transit contracts signed early 2009 will start late September and late November or early December, respectively, Naftogaz Ukrayiny Chairman Andriy Kobolev said.

He said at a press conference in Kiev on Thursday that the decision on the gas supply contract would be made this year, but it is more likely to receive it early 2017.