The management of Mobile TeleSystems (MTS) will be holding a conference call to discuss the Company’s First Quarter 2013 Financial and Operating Results on June 07, 2013.

Please not the change in the date of the results announcement and conference call. Apologies for any inconvenience.

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 the confirmation code, 5871163

From the US:   + 1 646 254 3366
From the UK:  + 44 20 3427 1913
From Russia    +7 495 705 9451

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

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

A replay of the conference call will be available for seven days on the following telephone numbers:

From the US:    +1 347 366 9565           PIN 5871163#
From the UK:   +44 20 3427 0598         PIN 5871163#
From Russia:    + 810 800 2870 1012     PIN 5871163#