Gazprom Neft PJSC is vertically integrated oil company operating in the Russian Federation, CIS and internationally. Co.'s principal activities include exploration, production and development of crude oil and gas, production of refined petroleum products and distribution and market ing operations through its retail outlets. Co.'s Upstream segment includes the exploration, development and production of crude oil and natural gas (including joint ventures results), oil field services. Co.'s Downstream segment processes crude into refined products and purchases and sells and transports crude and refined petroleum products (refining and marketing).

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.

Mobile Telesystems is a provider of mobile cellular communications services in the Russian Federation, Ukraine, Uzbekistan and Turkmenistan to consumers and corporate customers, employing technology based primarily on Global System for Mobile Communications (GSM). Co. had a mobile subscriber base of around 102.5 million (77.3 million in Russia, 20.4 million in Ukraine, 2.1 million in Turkmenistan, 1.6 million in Uzbekistan and 1.1 million in Armenia). In addition to standard voice services, Co. provides improved services, including voice mail, short message service, general packet radio service, and various SMS- and GPRS-based information and entertainment services.

PJSC Lukoil is a vertically-integrated oil company engaged in the exploration and production of crude oil and natural gas. Co. is engaged in all main sectors of the modern oil business including supplies, refining, marketing, transportation, petrochemicals and oil-related activities. Co.'s operations are divided into five business segments: Exploration and Production; Refining, Marketing and Distribution; Chemicals; Power Generation and Other Business Segments. Co. owns and operates refineries in Bulgaria (LUKOIL Neftochim Bourgas AD) and Romania (Petrotel-LUKOIL).

Sistema is a telecommunications and technology investment group based in Russia. Co. invests in, and manages a range of companies which operate in the telecommunications, oil and energy, high technology, banking and other sectors. The main focus of Co.'s activities is service-based industries. Co.'s operations are organized along four segments: Telecommunications, Technology and Industry, Consumer Assets and Oil and Energy. Through its subsidiaries, Co.'s activities include: wireless telecommunications services , IT and systems integration, cable TV, manufacturing of radiotechnical equipment, oil, gas and energy production, banking activities, trading and investing and financing activities.