OREANDA-NEWS. November 15, 2010. The management of Mobile TeleSystems (MTS) will be holding a conference call to discuss the Company’s Third Quarter 2010 Financial and Operating Results on Thursday, November 18, 2010.

Please note that the conference call will start at:

18:00 hrs (Moscow time)

15:00 hrs (London time)

10:00 hrs (US Eastern time)

To take part in the conference call, please dial one of the following telephone numbers and quote either the Company’s name, MTS, or the conference ID, 4384831:

From the US:    plus  1 480 629 9654    

From the UK:    plus  44 207 190 1292  

International:     plus  44 207 190 1292  

The conference call will also be available at: http://www.mtsgsm.com/news/reports/ via audio webcast.

The earnings release will be posted approximately three hours prior to the conference call and the management’s slide presentation will be posted approximately one hour prior to the conference call at: http://www.mtsgsm.com/news/reports/.

A replay of the conference call will be available on the following telephone numbers from November 18 (from approximately 23:00 hrs Moscow time/20:00 hrs London time/15:00 hrs US Eastern time) to November 29, 2010:

From the US:    plus  1 303 590 3030     PIN 4384831#  

From the UK:    plus  44 207 959 6720   PIN 4384831#  

International:     plus  44 207 959 6720   PIN 4384831#