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 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).

PhosAgro is a producer of phosphate-based fertilizers. As of Dec 31 2014, Co. had two segments: Phosphate-based products, which includes mainly production and distribution of ammophos, diammoniumphosphate, sodium tripoly phosphate and other phosphate based and complex (NPK) fertilisers on the factories located in Cherepovets, Balakovo and Volkhov, and production and distribution of apatite concentrate extracted from the apatite-nepheline ore, which is mined and processed in Kirovsk; and Nitrogen-based products,which includes mainly production and distribution of ammonia, ammonium nitrate and urea on the factory located in Cherepovets.

OJSC OC Rosneft is a vertically-integrated Russian oil and gas company with upstream and downstream operations in each of Russia's oil-producing regions. Headquartered in Moscow, Co. operates ten oil and gas producing enterprises across Russia and is involved in over ten exploration projects. In addition to its upstream operations, Co. also owns two refineries, which have a combined capacity of 10 million tons per year, as well as four main oil export terminals and a nationwide network of over 600 service stations. Co.'s downstream operations consist of its crude oil export structure, refining operations and nationwide network of marketing subsidiaries.

Surgutneftegaz is vertically integrated oil company based in Russia. Co.'s activities include prospecting and exploration of hydrocarbons, oil and oil and- gas fields development and construction; oil products and petrochemicals manufacturing and marketing; power generation; gas processing and gas products marketing. Co.'s operations expand beyond Western Siberia in 3 oil production centers, two of which, in Eastern Siberia and Timano- Pechora, are to be built up within the next 3 years. Co. operates in 16 constituent territories of the Russian Federation from Republic of Sakha (Yakutia) to Kaliningradskaya Oblast. Co.'s mineral resource base comprises 134 license areas of 120,000 sq. km.

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.