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 20, 2014.

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, 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 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 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