November 2011

24.11.2011
MTS Independent Director Honored with “Director of the Year” Award

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” or the “Company” – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces that MTS’ non-executive director Paul James Ostling has been honored with a “Director of the Year” award sponsored by the Association of Independent Directors. Mr. Ostling won in the nomination “Independent Director”.

21.11.2011
Mobile TeleSystems Announces Financial Results for the Third Quarter Ended September 30, 2011

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 September 30, 2011.

03.11.2011
Ad Hoc Notice

Moscow, Russian Federation — Mobile TeleSystems OJSC (“MTS” — NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces that the Company acquired controlling stake of Telecom Projects LLC.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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