October 2011

MTS Acquires Leading Alternative Operator in Tatarstan

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” or the “Company” – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces that OJSC “MTS” has acquired 100% stake in OJSC “Teleradiokompania”TVT” (“TVT”) from a group of investors. TVT is a leading provider of cable TV and fixed broadband services in the republic of Tatarstan with presence in 15 cities. This acquisition allows MTS to strengthen its leadership position in Tatarstan and enter the market of pay-TV, broadband and fixed telephony services in the region.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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