July 2002

30.07.2002
Mobile TeleSystems launches operations in Arkhangelsk

St Petersburg, Arkhangelsk, Russia — 30 July 2002 — OSJC Mobile TeleSystems (NYSE: MBT), Russia’s largest mobile operator servicing over 4.6 million subscribers, is pleased to announce the launch of its operations in the Arkhangelsk region of Russia, continuing the Company's regional expansion strategy. This brings to 41 the number of Russia’s regions, where MTS services are available.

02.07.2002

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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