June 2009

29.06.2009
MTS Raises EUR 413 Million in Loans to Expand Networks

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it has signed agreements to receive three separate loans for the total amount of EUR 413 million from the European Bank for Reconstruction and Development (EBRD), the Nordic Investment Bank (NIB) and the European Investment Bank (EIB) to be used for the further development of 2G and 3G mobile networks in the Company’s markets of operation.

25.06.2009
MTS Announces the Results of the Annual General Meeting of Shareholders

Moscow, Russian Federation — Mobile TeleSystems OJSC (“MTS” — NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces the decisions made at the Annual General Meeting (AGM) of the Company’s shareholders on June 25, 2009.

25.06.2009
MTS Wins 2009 Meffys Mobile Entertainment Award

Moscow, Russian Federation — Mobile TeleSystems OJSC ("MTS" — NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it has won the 2009 Meffys Mobile Entertainment Award in the "Search & Discovery" category for the MTS Super Search product.

18.06.2009
Ad Hoc Notice

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that today it has received approval from the Federal Anti-Monopoly Service (FAS) to acquire up to 100% of Comstar UTS, based on its application filed on May 22, 2009.

18.06.2009
MTS Wins Prestigious Global Telecoms Business Innovation Award

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it has won the 2009 Global Telecoms Business Innovation Award in the “Services catalogue innovation” category for the MTS Catalogue service.

16.06.2009
MTS Announces Subscriber Growth Numbers for May 2009

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that its consolidated subscriber base reached 93.98 million users on May 31, 2009.

05.06.2009
MTS and Nokia Enter Strategic Partnership

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, and Nokia signed the memorandum of understanding on the direct delivery of Nokia devices to MTS’ retail network. The first joint project of the two companies will be the priority sales launch of Nokia N97, Nokia's flagship mobile computer, equipped with exclusive software from MTS.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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