Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecom operator in Russia and CIS, announces that it has received “Best Investor Relations in Russia” award at the IR Magazine Awards – Europe 2013, hosted by IR Magazine, the world’s leading publication for investor relations professionals.

Andrei Dubovskov. MTS President and CEO, commented, “MTS has increasingly been challenged to enhance our investor dialogue at a time when telecommunications has undergone significant changes. As MTS’s strategic focus evolved and our activities expand in our markets, we are pleased that investors and analysts recognize our commitment to open dialogue and building goodwill through traditional and new communications channels. I congratulate our team for once again affirming our leadership in our markets and establishing yet another benchmark for investor relations in Russia.”

Previously, MTS won “Best Investor Relations by a Russian Company” at the IR Magazine Continental Europe Awards 2008. MTS received numerous awards from IR Magazine CIS & Russia/ Europe in 2008 - 2012 in such categories as “Best Investor Relations by a Russian Company 2008” (1st place), “Best Investor Relations Website 2008” (1st place), “Best Investor Relations Officer - Large Cap 2010” (2nd place), “Best Investor Relations by a CFO 2010” (1st place), Best investor relations officer - Large Cap 2011" (1st place), “Best Investor Relations by a CEO 2012 - Mid Cap" (1st place), “Best Investor Relations by a CFO 2012 - Mid Cap" (1st place).

The IR Magazine Awards are an ongoing annual series of surveys and awards conducted around the world by Cross Border Ltd. The winners were identified in an independent survey of more than 700 portfolio managers, buy-side analysts, sell-side analysts and retail investors. More information about the awards is available at www.irmagazine.com.

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For further information, please contact in Moscow:

Joshua B. Tulgan
Director, Corporate Finance & 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/