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).

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.