Glusco Energy S.A. agreed to acquire 51% stake in LLC Vostok-Energy from Open Joint Stock Company Rosneft Oil Company (LSE:ROSN) on January 11, 2016. Glusco Energy has filed an application with the Antimonopoly Committee of Ukraine. The deal is subject to approval of Antimonopoly Committee of Ukraine.

Antimonopoly Committee of Ukraine declined to consider the appeal of Glusco Energy on the transaction. On April 27, 2016, The Antimonopoly Committee of Ukraine after several refusals began considering the application filed by Glusco Energy S.A.