Beginning April 2012, VivaCell-MTS logo will be placed on the reverse side of cash register receipts 15 winners of the drawing on 1700 cash register receipts issued in December 2011 were provided by cars from the RA State Revenues Committee Another 300 winners of the draw will receive 200 “MTS Connect Diamond” 3G modems with “MTS Connect Unlimited” tariff plan with AMD 0 monthly fee for a period of 6 months, as well as 100 MTS Touch 551 mobile phones Today the Arabkir brunch of the Republic of Armenia State Revenues Committee hosted 80 out of the 315 winners of the drawing organized on January 14, 2012, on 1700 cash register receipts issued in December 2011. This first group of winners who came from Yerevan and neighboring regions received 40 “MTS Connect Diamond” 3G modems with “MTS Connect Unlimited” postpaid internet tariff plan with AMD 0 monthly fee for a period of 6 months, as well as 100 MTS Touch 551 mobile phones. The gifts to the winners were provided by VivaCell-MTS. The other 220 winners of the drawing will receive their prizes from VivaCell-MTS service centers in their respective regions starting February 15. Based on the results of the draw held on January 14, 2012 with around 1700 cash register receipts issued in December 2011 participating in the event, the owners of 315 tickets with the maximum number of coinciding digits and maximum cost of deals have won 15 cars, 100 MTS Touch 551 mobile phones, and 200 “MTS Connect Diamond” 3G modems with “MTS Connect Unlimited” internet postpaid tariff plan with AMD 0 monthly fee during 6 months. VivaCell-MTS is the leading telecommunications operator as well as the third largest taxpayer of Armenia. As the pioneer of corporate responsibility in Armenia, VivaCell-MTS has committed to a fair, socially-responsible and transparent corporate behavior, respect to the laws of the country of, and fulfillment of tax obligations in an efficient and timely manner. Beginning April 2012, VivaCell-MTS logo will be placed on the reverse side of cash register receipts. Within the last three years the Committee of State Revenues of the Republic of Armenia has managed to undertake significant measures to increase the efficiency of retail trade tax control by encouraging public to demand cash register receipts. The total amount of awards for 800 thousands of cash register receipts given during draws organized since 2009 makes AMD 720 million; about AMD 5.8 billion worth bonus has been given for 314 thousands of cash register receipts, which have not won in the draws. Our citizens have been already provided with 180 cars in 2011. To further promote the public control over the use of cash registers the citizens will receive also mobile phones, modems and access to broadband internet through MTS Connect Unlimited postpaid tariff plan with AMD 0 monthly fee during 6 months, provided by VivaCell-MTS, as a reward. VivaCell-MTS (K-Telecom CJSC) is Armenia’s leading mobile operator, having the widest 2G/3.75G/4G network reach and spreading a wide range of Voice and Data services all across Armenia. Having the best of the Armenian people interest at heart since its launch on 1st July 2005 and in a short period of time VivaCell-MTS has managed to build a nationwide network and a considerable customer base. VivaCell-MTS drives innovation and aims at always being at the forefront of any development serving the Armenian mobile communications market. For more information, visit www.vivacell.am * * * Mobile TeleSystems OJSC ("MTS") is the leading telecommunications group in Russia, Eastern Europe and Central Asia, offering mobile and fixed voice, broadband, pay TV as well as content and entertainment services in one of the world's fastest growing regions. Including its subsidiaries, the Group services over 100 million mobile subscribers. The Group has been awarded GSM licenses in Russia, Ukraine, Uzbekistan, Armenia and Belarus, a region that boasts a total population of more than 230 million. Since June 2000, MTS' Level 3 ADRs have been listed on the New York Stock Exchange (ticker symbol MBT). Additional information about the MTS Group can be found at www.mtsgsm.com

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