July 2009

28.07.2009
MTS Places Fifth Ruble Bond

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it has successfully placed its fifth ruble bond in the amount of 15 billion rubles with maturity in 2016 on the Moscow Interbank Currency Exchange (MICEX).

22.07.2009
MTS Announces the Commencement of its Fifth Ruble Bond Placement

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it will place its fifth ruble bond worth 15 billion roubles on the Moscow Interbank Currency Exchange (MICEX) on July 28, 2009, with maturity in 2016.

17.07.2009
MTS Announces Subscriber Growth Numbers for June 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 95.03 million users on June 30, 2009.

15.07.2009
MTS Syndicated Loan Closes Significantly Oversubscribed

Moscow, Russian Federation – Mobile TeleSystems OJSC (the “Company” or “MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces successful closing of the syndication for its syndicated term loan facility originally signed in May 2009. Due to additional demand, the facility was oversubscribed by nearly $100 million, bringing the total amount of the facility to $695 million1.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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