Mobile TeleSystems Announces Financial Results for the Fourth Quarter and Full Year Ended December 31, 2011

12 March 2012

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” - NYSE: MBT), the leading telecommunications provider in Russia and the CIS, today announces its unaudited US GAAP financial results for the three months and full year ended December 31, 2011.

webcastClick here for webcast

Press Release (442 KB)

Presentation (833 KB)

MTS_Group_2004_2011_fin_statements_31122011_final.xlsm (309 KB)

Contact investor relations:

+ 7 495 223 20 25

MTS Investor Relations
App for iPad