AK Alrosa PAO. AK Alrosa PAO (Aktsionernaya kompaniya ALROSA PAO or ALROSA Company PJSC), formerly AK Alrosa OAO, is a Russia-based company which is principally engaged in the exploration, mining, manufacture and sales of diamonds. Its operations include five Integrated Mining and Processing Complexes: Mirny, Udachny, Aikhal, Anabar and Nyurba located in the Sakha Republic; sorting divisions and diamond cutting and polishing division. The Company is a member of variable diamonds associations. It operates through several representative offices, branches and subsidiaries, including Alrosa-Nyurba OAO, Almazy Anabara OAO and Severalmaz OAO.

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.

PAO Severstal is an integrated Iron & Steel works company with a range of products: hot and cold rolled steel, roll-formed shapes and pipes, rolled sections, a large group of coke products and by-products. Co. also has various social responsibilities such as the operation and maintenance of sports complexes, holiday and recreational facilities and public housing. Co.'s operations are organized along three principal divisions: Severstal Russian Steel engaged in crude steel production; Severstal Resources engaged in the production of iron ore concentrate, pellets and coking coal; and Severstal International engaged in the production of high-quality flat-rolled products.