January 2010

21.01.2010
MTS Announces Subscriber Growth Numbers for December 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 97.81 million users on December 31, 2009.

14.01.2010
MTS Lowers Interest Rates on Sberbank Financing

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it has reached an agreement with Sberbank to lower the interest rates on RUB 59 billion in financing raised in August and September 20091.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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