The High-Tech Club located in VivaCell-MTS Service Center will be used for providing superior customer care services to prospective clients VivaCell-MTS, a subsidiary of “Mobile TeleSystems” OJSC, announces the launch of a high-tech center at VivaCell-MTS Service Center in Gyumri. The creation of a specially-designed and branded high-tech club is another innovative solution in the sphere of customer care provision in Armenia. The aim of the club is to provide actual and perspective customers with an opportunity to familiarize themselves with a wide range of the Company's offerings in a comfortable environment. In a specially-equipped conference room, sales presentations on a wide range of the Company's corporate tariff plans, voice and data products and services will be organized. For more convenience to customers free Wi-Fi internet access will be made available in the club. The newest models of phones and accessories, available at VivaCell-MTS service centers, will be displayed on specially-designed stands. In addition, special demo stands are installed demonstrating the functional and advantages of the phones and mobile solutions offered by VivaCell-MTS. “The High-Tech Club with customer-friendly environment and technology opened in Gyumri, Armenia’s second largest city, sets new standards in customer service provision. In the High-Tech Club a powerfully attractive and friendly environment is provided to our prospective customers from the whole region while accessing, browsing and testing VivaCell-MTS’ innovative products and services,” VivaCell-MTS General Manager Ralph Yirikian commented. Armenia’s Leading Mobile Operator has the widest customer care network in Armenia – 105 service centers. The whole range of the company’s products and services is made available in the newly-opened club of the service center including international roaming, post-paid and prepaid packages with respective tariff plans, different denomination scratch cards, paying public utility bills, number selection, data tariff plans together with 3G modems and Wi-Fi routers, a wide range of mobile phones and other accessories, corporate packages, and other services. VivaCell-MTS (K-Telecom CJSC) is Armenia’s leading mobile operator, having the widest 2G/ 3.5G network reach and spreading a wide range of Voice and Data services all across Armenia. Having the best interest of the Armenian people at heart, since its launch on the 1st of July 2005 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 largest mobile phone operator in Russia and the CIS. Together with its subsidiaries, the Company services over 100 million subscribers. The regions of Russia, as well as Armenia, Belarus, Turkmenistan, Ukraine, and Uzbekistan, in which MTS and its associates and subsidiaries are licensed to provide GSM services, have 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 MTS can be found at www.mts.ru

---