On May 12, 2021, the head of the OCU Epiphany Dumenko received the Speaker of the Seimas of the Republic of Lithuania Viktoria Chmilyte-Nielsen. This was reported on the OCU website.

The Lithuanian delegation also included Ambassador Extraordinary and Plenipotentiary of the Republic of Lithuania to Ukraine Valdemaras Sarapinas, Chairman of the National Security and Defense Committee of the Seimas of the Republic of Lithuania Laurinas Kasciunas, Deputy Chairman of the Committee on European Affairs of the Seimas of the Republic of Lithuania Audronius Azubalis, Deputy Chairman of the Parliamentary Friendship Group of Lithuania with Ukraine Jonas Yarutis and Foreign Policy Advisor to the Speaker of the Seimas of the Republic of Lithuania Vaidotas Verba.

The meeting was also attended by the co-chair of the group for inter-parliamentary relations with the Republic of Lithuania Yulia Ovchinnikova, and a representative of the “All-Ukrainian social movement of mothers and relatives of ATO” Bereginya” participants.