AK Alrosa PAO. AK Alrosa PAO (Aktsionernaya kompaniya ALROSA PAO or ALROSA Company PJSC), formerly AK Alrosa OAO, is a Russia-based company which is principally engaged in the exploration, mining, manufacture and sales of diamonds. Its operations include five Integrated Mining and Processing Complexes: Mirny, Udachny, Aikhal, Anabar and Nyurba located in the Sakha Republic; sorting divisions and diamond cutting and polishing division. The Company is a member of variable diamonds associations. It operates through several representative offices, branches and subsidiaries, including Alrosa-Nyurba OAO, Almazy Anabara OAO and Severalmaz OAO.

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.

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).