2009

24.12.2009
MTS Acquires Eurotel

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it has acquired a 100% stake in OAO Eurotel (Eurotel), one of the leading federal transit operators in Russia, from Mortfield Holdings Limited (Cyprus).

24.12.2009
MTS Increases Ownership Stake in COMSTAR-UTS and MGTS

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it has acquired through an exchange of shares an 11.06% stake in COMSTAR – United TeleSystems (“COMSTAR-UTS” – LSE: CMST), a leading supplier of integrated telecommunication solutions in Russia and the CIS, and indirectly an additional 14.20% stake in OAO Moscow City Telephone Network (MGTS), Moscow’s incumbent fixed-line telecommunications operator.

24.12.2009
MTS Announces Subscriber Growth Numbers for November 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 97.11 million users on November 30, 2009.

09.12.2009
MTS Secures Financing from SINOSURE

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it has entered into a credit facility in the amount of up to $212.5 million backed by China Export and Credit Insurance Corporation (SINOSURE) to be used for the development of the Company’s mobile networks through purchases of equipment from Huawei, a leader in providing next-generation telecommunications network solutions for operators around the world.

07.12.2009
MTS Secures Financing from EDC

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it has entered into a credit facility in the amount of up to $165 million backed by Export Development Canada (EDC) to be used for the development of the Company’s mobile networks.

23.11.2009
MTS Announces Signing of Memorandum of Understanding (MOU) with Svyazinvest and Sistema on Reorganization of Assets

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” - NYSE: MBT), today announces that “COMSTAR – United TeleSystems” JSC (“Comstar” - LSE: CMST), a majority-owned subsidiary of MTS, has concluded a non-binding MOU with OAO Svyazinvest and AFK Sistema to begin negotiations over the reorganization of certain assets, that if realized could ultimately lead to the disposal of Comstar’s stake in Svyazinvest and the increase in its ownership stake in OAO Moscow City Telephone Network (MGTS).

23.11.2009
MTS Announces Subscriber Growth Numbers for October 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 97.16 million users on October 31, 2009.

20.11.2009
MTS Secures ECA Financing

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it has secured a credit facility in the amount of up to approximately $1,074 million backed by Sweden’s Export Credit Agency EKN1 to be used for the development of the Company’s mobile networks through purchases of equipment from Ericsson, the world's leading provider of technology and services to telecom operators.

13.11.2009
Mobile TeleSystems Announces Financial Results for the Third Quarter Ended September 30, 2009

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” - NYSE: MBT), today announces its consolidated US GAAP financial results for the three months ended September 30, 2009.

06.11.2009
S&P Affirms MTS Credit Rating with Stable Outlook

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that Standard & Poor's Ratings Services has removed MTS from its CreditWatch Negative list and affirmed existing bond ratings at BB level. The outlook has been changed from positive to stable.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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