Investor Presentaiton

MTS a step ahead Mobile Russia Revenue Russia revenue breakdown +3% +10% +6% +8% 124.5 134.7 69.0 69.3 66.3 65.4 63.1 61.3 (RUB bln) Q1 2011 Q2 2011 Q3 2011 Q4 2011 Q1 2012 Q2 2012 H1 2011 H1 2012 H1 2011 H1 2012 Mobile service revenue year-over-year growth as a result of sequential increase in voice and data usage, as well as greater contribution from sales of handsets with a growing share of higher-priced smartphones in the sales mix ■ Year-over-year decline in fixed revenue impacted by a decrease of both residential and corporate ARPUS on the back of increased competition and the addition of lower value customers Incl. sales of handsets & accessories 6.7 5.6 7.3 6.0 6.0 6.5 12.3 12.5 Q1 2011 Q2 2011 Q3 2011 Q4 2011 Q1 2012 Q2 2012 H1 2011 H1 2012 Fixed Russia Revenue +11% -3% stable- +2% 29.7 15.6 30.4 15.2 15.2 14.7 14.0 13.9 (RUB bln) Q1 2011 Q2 2011 Q3 2011 Q4 2011 Q1 2012 Q2 2012 15 15

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