The management of Mobile TeleSystems (MTS) will be holding a conference call to discuss the Company’s Second Quarter 2013 Financial and Operating Results on August 20, 2013.

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, 5960560

From the US: + 1 646 254 3366
From the UK: +44 (0)20 3427 1917
From Russia +7495 213 0979

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:     +1 866 932 5017       PIN 5960560 #

From the UK:    +44 (0)20 3427 0598       PIN 5960560 #

From Russia:     +7 495 705 9453           PIN 5960560 #

From Russia:      +810 800 2870 1012      PIN 5960560 #

* * *

For further information, please contact in Moscow:

Joshua B. Tulgan
Director, Department of Corporate Finance and Investor Relations
Mobile TeleSystems OJSC
Tel: +7 495 223 2025
E-mail: ir@mts.ru

Learn more about MTS. Visit the official blog of the Investor Relations Department at www.mtsgsm.com/blog/