The management of Mobile TeleSystems (MTS) will be holding a conference call to discuss the Company’s First Quarter 2014 Financial and Operating Results on May 27, 2014.

The conference call will start at:
15:00 hrs (Moscow time)
12:00 hrs (London time)
07:00 hrs (US Eastern time)

To take part in the conference call, please dial one of the following telephone numbers and quote the confirmation code, 5871058

From Russia + +7 495 213 0977

From the UK: +44 (0) 20 3427 1900

From the US: +1 212 444 0481

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 at approximately 13.00 (Moscow) 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 5871058#
From the UK: +44 (0)20 3427 0598 PIN 5871058#

* * *

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