May 2014

27.05.2014
Mobile TeleSystems Announces Financial Results for the First Quarter Ended March 31, 2014

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, 2014.

21.05.2014
MTS increases its position in the BrandZ™ Top 100 Most Valuable Global Brands 2014 ranking and remains among the Top-10 leading telecom brands in the world

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” or “the Company” – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, today announced that its brand has been included in the BrandZ™ Top 100 Most Valuable Global Brands 2014 ranking for the seventh consecutive year. The valuation study was conducted by Millward Brown Optimor, experts in the economics of branding and financial valuations, and shows that MTS increased its brand value by 14.5% to reach $12.18 billion this past year.

19.05.2014
MTS Announces Decisions of its Board of Directors

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 meeting of its Board of Directors (“BoD” or “the Board”) held on May 18, 2014.

16.05.2014
Ad Hoc Notice

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecommunications operator in Russia and the CIS, announces that it has acquired a 35.59% stake in Teleservice OJSC (“Teleservice”), broadband and Pay-TV provider in Voronezh, from a private investor. Upon completion of the transaction, MTS Group’s stake in Teleservice will increase up to 89.88%

13.05.2014
MTS Redeems Series 04 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 redemption of its series 04 ruble-denominated bond in the amount of RUB 15 billion.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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