March 2015

23.03.2015
MTS Continues Nationwide 4G Roll-out with Launch of LTE-1800 in the Krasnodar Region

Moscow, Russian Federation - Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, today announces the launch of its 1800 MHz range LTE network in the Krasnodar region in southern Russia. In line with MTS’s nationwide LTE/4G expansion strategy, the network initially covers 36 population centers in Krasnodar region and is planned to extend to 160 population centers across the region by the end of 2016.

18.03.2015
Ad-Hoc Notice

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecommunications operator in Russia and the CIS, announces that Fitch Ratings has affirmed MTS’s Long-Term Issuer Default Rating at ‘BB+’ while removing all ratings from Rating Watch Negative. The Outlook on the Issuer Default Rating is Stable.

17.03.2015
Mobile TeleSystems Announces Financial Results for the Fourth Quarter and Full Year Ended December 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 and full year ended December 31, 2014.

05.03.2015
Ad-Hoc Notice

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT or ‘the Company’), the leading telecommunications operator in Russia and the CIS, announces that it will incur a charge to operating income for the fourth quarter 2014 due to losses stemming from the insolvency of JSC Delta Bank.

02.03.2015
Fourth Quarter and Full Year 2014 Financial and Operating Results Announcement and Conference Call

The management of Mobile TeleSystems (MTS) will be holding a conference call to discuss the Company’s Fourth Quarter and Full Year 2014 Financial and Operating Results on March 17, 2015.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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