Armenia VivaCell-MTS, a subsidiary of “Mobile TeleSystems” OJSC, is glad to announce that the monthly fee for the “Personal” postpaid tariff plan is now only AMD 7500 instead of the previous AMD 10000. Moreover, now not only calls to RA other networks, but also to USA, Canada, Russia, as well as 374 97 GSM and 374 47 fixed networks are embedded in the 200 free minutes bundle. In addition to this, the embedded Internet traffic is also changed from 200MB to 500MB. Above all, “Personal” postpaid tariff plan gives an opportunity to have 5000 free minutes of on-net airtime. To use the embedded airtime for calls to Russia, US and Canada, the subscriber needs to make a call through the “Distant Call” service. This modification of the postpaid tariff plan Personal was made taking into account the market demand following its launch. Now the subscribers to this tariff plan are provided with much better opportunities in terms of access to more voice services and megabytes in one package at an affordable price. Personal tariff plan is a cost-effective solution for heavy users of voice and data services including both business and personal subscribers. With the modified version, subscriber gets a unique combination of local and international voice minutes as well as data, which are typically charged more if not provided within a bundle. This tariff plan represents an optimal cost/value ratio derived from the needs assessment of VivaCell-MTS subscribers. 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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