Novatek is an independent gas producer and natural gas producer in Russia. Co. is engaged in the exploration, production, and processing of natural gas and liquid hydrocarbons. Co.'s upstream activities are concentrated in the Yamal-Nenets region, which is a natural gas producing area and accounts for a significant part of Russia's natural gas production. Co.'s three core fields are located in the regions of Yurkharovskoye, East Tarkosalinskoye and Khancheyskoye. Co. maintains natural gas reserves of approximately 1,144 bcm. Co.'s total net proved reserves totals around 8,088 million barrels of oil equivalent (boe).

O'key Group is a Russian retailer. Co.'s principal business activity is operation of retail chain in Russia under brand name O'KEY. Co. provides customers with fresh produce (fresh foods and delicatessen products) and non-food goods (cosmetics, clothing, shoes, household cleaning products, domestic appliances, toys, sports and fitness products, etc.). Co.'s stores follow two formats: hypermarkets and supermarkets. Co. manages approximately 71 stores (42 hypermarkets and 29 supermarkets) across North Western, Southern, Central, Urals and Siberian regions.

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.

Yandex is an internet and technology company that operates an internet search engine in Russia. Co. builds intelligent products and services powered by machine learning. Co.'s products and services are based on complex, unique technologies that are not easily replicated. Co. generates substantially all of its revenues from online advertising. Co. also generates revenues from its e-commerce offerings, classifieds and e-hailing service. Co.'s businesses are organized in the following operating segments: Search and Portal; E-commerce; Taxi; Classifieds and Experimental businesses.