June 2013

28.06.2013
Ad Hoc Notice

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” or the “Company” – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces that it has become aware of a planned auction, set for July 1, 2013, of assets owned by Uzdunrobita, MTS's wholly owned subsidiary in Uzbekistan. MTS is committed to defending its rights to fully recover damages incurred as a result of an unprecedented attack against its business in Uzbekistan.

28.06.2013
MTS Recognized for Excellence in IR

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecom operator in Russia and CIS, announces that it has received “Best Investor Relations in Russia” award at the IR Magazine Awards – Europe 2013, hosted by IR Magazine, the world’s leading publication for investor relations professionals.

25.06.2013
MTS Announces the Results of the Annual General Meeting of Shareholders

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” or the “Company” – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces the decisions reached at the Company’s Annual General Meeting of Shareholders (the “AGM”) held on June 25, 2013.

25.06.2013
MTS, Altimo and Nomihold Reach Settlement Over Bitel

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecom operator in Russia and CIS, and Altimo Holdings and Investments Limited (a BVI company) and Altimo LLC (Russian company) (collectively “Altimo”), a telecom arm of Alfa Group, announced that an agreement has been reached between Altimo, MTS and Nomihold Securities Inc. (‘‘Nomihold’’) and other associated parties to settle all disputes that have arisen from investment in Bitel LLC, formerly the leading mobile telephony operator in the Kyrgyz Republic.

21.06.2013
MTS and Ericsson to Jointly Develop LTE in Russia

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecom operator in Russia and CIS, and Ericsson (NASDAQ: ERIC), world's leading provider of communications technologies and services, announced at the St. Petersburg International Economic Forum the signing of an agreement to jointly develop telecommunications infrastructure for an LTE network rollout in Russia's Volga, Siberian, Ural and Southern Federal Districts.

20.06.2013
MTS Repurchases Series 03 Ruble Bond

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” or "the Company" – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces the repurchase of the series 03 ruble-denominated bond in the amount of approximately RUB 1.88 billion.

07.06.2013
Mobile TeleSystems Announces Financial Results for the First Quarter Ended March 31, 2013

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 ended March 31, 2013.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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