US sanctions were imposed on Vostok Oil LLC and its operator RN-Vankor. Restrictions also apply to Tagulskoye LLC, which controls the field of the same name, the Lodochnoye OGCF, the Vostochno-Pendomayakhsky and Gorchinsky blocks in the Krasnoyarsk region, and the Vostochno-Karkasny and Novogenniy blocks in the Yamalo-Nenets Autonomous District. All structures are part of Vostok Oil.