July 2014

31.07.2014
MTS and the Republic of Uzbekistan Sign Settlement Agreement

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” or the “Company” – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces the signing of a settlement agreement with the Republic of Uzbekistan. According to the terms of the agreement the Company intends to resume operations in Uzbekistan through a joint venture with the government of Uzbekistan.

16.07.2014
Ad Hoc Notice

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecommunications operator in Russia and the CIS, announces that Standard & Poor's Ratings Services raised its long-term foreign and local currency corporate credit rating to 'BBB-' from 'BB+'. The outlook on the foreign currency rating is negative and that on the local currency rating is stable. Ratings on the Company's senior unsecured debt were raised to 'BBB-' from 'BB+'. This represents a one-notch upgrade and classifies MTS as investment grade.

03.07.2014
Ad Hoc Notice

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecommunications operator in Russia and the CIS, announces that Moody`s Investor Service has upgraded MTS’s senior unsecured issuer rating from Ba2 to Baa3 with a stable outlook. This represents a two-notch upgrade and classifies MTS as investment grade.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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