August 2013

26.08.2013
Ad Hoc Notice

Moscow, Russian Federation — Mobile TeleSystems OJSC (“MTS” — NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces completion of the dividend payment for the fiscal year 2012.

20.08.2013
Mobile TeleSystems Announces Financial Results for the Second Quarter Ended June 30, 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 June 30, 2013.

15.08.2013
MTS Launches 4G Network in the Tambov Region

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecommunications operator in Russia and the CIS, announces the commercial launch of its LTE FDD (frequency division duplexing) network in Tambov and the Tambov region.

14.08.2013
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 that Uzbek authorities, having failed to dispose of the assets of Uzdunrobita, MTS's wholly owned subsidiary in Uzbekistan, by way of two rounds of auctions, have reached out directly to Uzdunrobita creditors offering to purchase assets of Uzdunrobita.

02.08.2013
Decisions of the MTS Board of Directors

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecom operator in Russia and CIS, announces the decisions reached at the Company’s Board of Directors (“BoD” or “the Board”) meeting held on August 01, 2013.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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