March 2013

29.03.2013
MTS Acquires a 25.095% Stake in MTS Bank

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecommunications operator in Russia and the CIS, announces that MTS has entered into transaction to acquire a 25.095% stake in MTS Bank OJSC for 5.09 billion rubles through an additional share issuance by the bank. The transaction was concluded in accordance with the terms of an indicative offer between MTS, MTS Bank and Sistema JSFC ("Sistema") (LSE: SSA), the largest diversified public financial corporation in Russia and the CIS and the majority shareholder of MTS and MTS Bank, that were announced on October 25, 2012.

28.03.2013
MTS and VimpelCom express joint interest in acquisition of Tele2 Russia

Moscow, Russian Federation and Amsterdam, The Netherlands – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecommunications operator in Russia and the CIS, and VimpelCom Ltd (“VimpelCom” or “VIP” – NYSE:VIP), a leading international provider of telecommunications services, announce that both companies have submitted a joint letter for the attention of Mr. Mike Parton, Chairman, and Mr. Mats Granryd, President and CEO, of Tele2 AB, expressing their interest in the acquisition of Tele2 Russia, a subsidiary of Tele2 AB.

27.03.2013
MTS Announces Placement of the Exchange-Traded Ruble Bonds

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it will place its first exchange-traded ruble bond worth RUB 10 billion on the Moscow Interbank Currency Exchange (MICEX) on April 03, 2013, with a maturity of ten years.

19.03.2013
Mobile TeleSystems Announces Financial Results for the Fourth Quarter and Full Year Ended December 31, 2012

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” - NYSE: MBT), the leading telecommunications provider in Russia and the CIS, today announces its unaudited US GAAP financial results for the three months and full year ended December 31, 2012.

14.03.2013
Ad Hoc Notice

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecommunications operator in Russia and the CIS, announces that Nomihold Securities Inc (“Nomihold”) has obtained (via a unilateral written application to the court) initial permission from the English Commercial Court to serve proceedings out of the jurisdiction on MTS.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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