September 2009

MTS Secures Additional Financing

Moscow, Russian Federation — Mobile TeleSystems OJSC (‘MTS’ — NYSE: MBT), the largest mobile phone operator in Russia and the CIS, has successfully secured financing from Sberbank through two loans in the amount of RUB 47 billion and RUB 12 billion.

MTS Announces Subscriber Growth Numbers for August 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 96.17 million users on August 31, 2009.

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