MTS and Research In Motion to Offer BlackBerry in Russia

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Mobile TeleSystems OJSC (“MTS”)(NYSE:MBT – News), the largest mobile phone operator in Russia and the Commonwealth of Independent States (CIS) and Research In Motion (RIM) (Nasdaq:RIMM – News; TSX:RIM – News) today announced plans to offer BlackBerry®, a leading wireless platform, to mobile customers in Russia. BlackBerry is a popular and proven wireless solution for both individual and corporate customers. BlackBerry will enable MTS subscribers to easily access e-mail, phone, text messaging, Internet, organizer and corporate data applications from a single, integrated device. By using BlackBerry to access corporate applications, MTS customers will be able to increase productivity and efficiency for individuals and workgroups.


For corporate customers, BlackBerry Enterprise Server(TM) tightly integrates with Microsoft® Exchange, IBM Lotus® Domino(TM) and Novell GroupWise(TM) enterprise systems to enable secure, push-based, wireless access to e-mail and other corporate data. For individuals and smaller businesses, BlackBerry Internet Service(TM) allows users to access up to ten corporate and/or personal email accounts (including Microsoft Exchange, IBM Lotus Domino and many popular ISP email accounts) from a single device.

BlackBerry is now available on wireless networks around the world with over 2.5 million subscribers using BlackBerry services today.

BlackBerry will operate on MTS’ GSM/GPRS network in Russia with international roaming supported in the countries where MTS has GPRS roaming agreements.(a)

About Mobile TeleSystems

Mobile TeleSystems OJSC (“MTS”) is the largest mobile phone operator in Russia and the CIS. Together with its subsidiaries, the Company services over 38.7 million subscribers. The regions of Russia, as well as Belarus, Ukraine and Uzbekistan, in which MTS and its subsidiaries are licensed to provide GSM services, have a total population of approximately 225.8 million. Since June 2000, MTS’ Level 3 ADRs have been listed on the New York Stock Exchange with the ticker symbol MBT. Additional information about MTS can be found on MTS’ website at www.mtsgsm.com.