"It was important for me as president of Ukraine and, I think, for all Ukrainians to hear the full, very strong support for the reforms that are taking place in Ukraine and the positive assessment of the results we have achieved due to these reforms," Poroshenko said after a meeting with Trump in New York City on Thursday, September 21.

Read alsoTrump to Poroshenko: American companies see tremendous potential in Ukraine"This is very important to us," he added.

Poroshenko also mentioned that agreement had been reached that "our cooperation in supporting reforms will continue to be effective."