Совет национальной безопасности и обороны Украины
On 19 February 2021, the National Security and Defense Council of Ukraine included Medvedchuk and his wife, Oksana Marchenko, on the Ukrainian sanctions list, due to the financing of terrorism. It was claimed he was channeling money from his Russia-based refinery to the separatists of the Donetsk People's Republic and Luhansk People's Republic.