2009

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.

11.08.2009
Mobile TeleSystems Announces Financial Results for the Second Quarter Ended June 30, 2009

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

22.05.2009
Mobile TeleSystems Announces Financial Results for the First Quarter Ended March 31, 2009

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” - NYSE: MBT), today announces its consolidated US GAAP financial results for the three months ended March 31, 2009.

14.05.2009
First Quarter 2009 Financial Results Announcement and Conference Call

The management of Mobile TeleSystems (MTS) will be holding a conference call to discuss the Company’s First Quarter 2009 Financial and Operating Results on Friday, May 22, 2009.

11.03.2009
Mobile TeleSystems Announces Financial Results for the Fourth Quarter and Full Year Ended December 31, 2008

Moscow, Russian Federation — Mobile TeleSystems OJSC (“MTS” - NYSE: MBT), today announces its consolidated US GAAP financial results for the three months (unaudited) and full year ended December 31, 2008.

04.03.2009
Fourth Quarter and Full Year 2008 Financial Results Announcement and Conference Call

The management of Mobile TeleSystems (MTS) will be holding a conference call to discuss the Company’s Fourth Quarter and Full Year 2008 Financial and Operating Results on Wednesday, March 11, 2009.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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