Asked by Reuters at the Munich Security Conference whether the initiative presented by German Chancellor Angela Merkel and French President Francois Hollande to Russia's Vladimir Putin on Friday could work, he replied: "Yes."
Poroshenko added that he hoped it could help to ensure "more security in Europe".
Merkel and Hollande have meet with Russian President Putin after the talks with Poroshenko on February 5 in Kiev. They agreed to develop a joint document in the settlement of the crisis in Ukraine. Putin and Ukraine leader will hold phone talks after inconclusive end to summit on Sunday.