November 2002

19.11.2002
15.11.2002
Mobile TeleSystems announces a new tariff plan targeted at the mass market

Moscow, Russia — November 14, 2002 — Mobile TeleSystems OJSC (NYSE: MBT) today announces a new tariff plan targeted at the mass-market. The new tariff will be marketed under the Jeans brand. The Jeans brand and tariff plan will be launched in Moscow and thirty-seven additional Russian regions on 15 November 2002. The key feature of the new Jeans tariff is the absence of a monthly subscription fee.

05.11.2002
Useful — by playing. Payment for MTS services in “Jack Pot” gaming salons, the “JACKPAY” system

The Moscow “Jack Pot” gaming system accepts payments for MTS services via the Cyberplat payment system.

05.11.2002
Mobile TeleSystems Expands Into Ukraine

Moscow, Russia — November 5, 2002 — Mobile TeleSystems OJSC (“MTS” — NYSE:MBT) has signed an agreement to purchase a majority interest in Ukrainian Mobile Communications (“UMC”), a leading mobile operator in Ukraine, with over 1.5 million subscribers.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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