OREANDA-NEWS. November 8, 2012. The management of Mobile TeleSystems (MTS) will be holding a conference call to discuss the Company’s Third Quarter 2012 Financial and Operating Results on Wednesday, November 14, 2012.

Please note that the conference call will start at:

19:00 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, quoting the conference ID, 9864582:

From the US: +1 646 254 3367

From the UK: +44 20 3450 9987

From Russia: +7 495 213 0978

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

The earnings release and the management’s slide presentation will be posted approximately four hours 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 14, 2012 to November 21, 2012:

From the US: +1 347 366 9565 PIN 9864582

From the UK: + 44 20 3427 0598 PIN 9864582

From Russia: 810 800 2870 1012 PIN 9864582