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.

Mobile Telesystems is a provider of mobile cellular communications services in the Russian Federation, Ukraine, Uzbekistan and Turkmenistan to consumers and corporate customers, employing technology based primarily on Global System for Mobile Communications (GSM). Co. had a mobile subscriber base of around 102.5 million (77.3 million in Russia, 20.4 million in Ukraine, 2.1 million in Turkmenistan, 1.6 million in Uzbekistan and 1.1 million in Armenia). In addition to standard voice services, Co. provides improved services, including voice mail, short message service, general packet radio service, and various SMS- and GPRS-based information and entertainment services.

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.