Mail.Ru Group is an Internet company based in the Russian Federation. Co. operates the email service [email protected] and two IM networks in Russia - Mail.Ru Agent and ICQ. Co. operates two Russian-language online social networking sites: Moi [email protected] and Odnoklassniki.ru, and owns a strategic minority equity stake in the social network Vkontakte. Co. is also engaged in developing projects in E-commerce and operating more than 40 thematic vertical sites, targeting various user categories. Co. is also Russia's predominant online games company. Co. maintains a portfolio of online games which includes 34 MMO games and over 30 games for social networking sites.

MegaFon is a mobile telecommunications operating group based in Russia. Co. maintains its own network of 4G, LTE protocol, providing a full range of mobile services across the country (Moscow, Moscow Region, Novosibirsk, Samara, Vladivostok, Ufa, Krasnodar Territory, Sochi, Saint-Petersburg, Kazan, Kostroma). Co. also offers fixed broadband, digital TV and IP-telephony in Moscow and in the Moscow, Belgorod, Voronezh, Kursk, Lipetsk and Orel regions. In addition, Co. provides broadband Internet access in the Volga region and the Far East. Co.'s subsidiaries maintain operations in Tajikistan, Abkhazia and South Ossetia.

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.