PJSC Gazprom is a gas company based in Russia. Co.'s principal activity is the sale of gas. Co. is also involved in other types of activities which include leasing of assets, gas transportation and storage services, sale of gas condensate and refined products. Co. and its subsidiaries and associates operates gas pipelines systems in Russia. Co. is responsible for substantially all gas production and high pressure gas transportation in the Russian Federation. Co. is also a major exporter of gas to European countries. Co. is directly involved in exploration and drilling for hydrocarbons, production of gas and other hydrocarbons and domestic and export sale of gas and other hydrocarbons.

Polymetal International is the ultimate parent entity of Polymetal Group, a precious metals mining group operating in Russia, Kazakhstan and Armenia. Co. has five reportable segments: Magadan; Ural; Khabarovsk; Kazakhstan; and Armenia. Each segment is engaged in gold, silver or copper mining and related activities, including exploration, extraction, processing and reclamation.

Rostelecom PJSC provides communication services (including local, intra-zone, long-distance domestic and international fixed-line telephone services, mobile services), data transmission, Internet, Pay TV, VPN and data centers services, rent of communication channels and radio communication services in the territory of Russian Federation. Co. operates the main intercity network and the international telecommunications gateways of the Russian Federation, carrying voice and data traffic that originates in its own network and other national and international operators' networks to other national and international operators for termination.

Tatneft PJSC and its subsidiaries are engaged in crude oil exploration, development and production principally in the Republic of Tatarstan, Russia. Co. is a holding structure, which incorporates oil and gas production boards, crude oil and gas refining companies, as well as enterprises and servicing works selling the crude oil and also the products of crude oil and gas refining and petrochemical products. In addition to this, Co. is also participating in the banking and insurance activities. Co.'s operations are divided into the following main segments: Exploration and Production; Refining and Marketing; and Petrochemicals.