An agreement allowing Ukraine to export grain through Black Sea will continue "under current terms," a senior Turkish official told AFP.
"The agreement will remain in place under current terms for four months," the official told AFP on condition of anonymity.
Ukraine is one of the world's top grain producers, and Russia's invasion of the country blocked 20 million tonnes of grain in its ports before the United Nations and Turkey brokered the deal in July.
The official told AFP the agreement would be in force for "120 days considering the winter conditions", adding that there could be "new arrangements" after the winter season.
The United Nations Secretary General said on Thursday he welcomed an agreement by all parties to extend the Black Sea grain deal to facilitate Ukraine's agricultural exports from its southern Black Sea ports, Reuters reported.
"I welcome the agreement by all parties to continue the Black Sea grain initiative to facilitate the safe navigation of export of grain, foodstuffs and fertilizers from Ukraine," UN Secretary General Antonio Guterres said in a statement on Thursday.
Gueterres said the UN was also "fully committed to removing the remaining obstacles to exporting food and fertilizers from the Russian Federation" - a part of the deal Moscow sees as critical.
On Wednesday, Turkish President Recep Tayyip Erdogan said at a press conference at the G20 summit in Indonesia: "I am of the opinion that it (the deal) will continue. There's no problem there."