July 2007

13.07.2007
MTS Announces Subscriber Growth Numbers for June 2007

MOSCOW, RUSSIAN FEDERATION — JULY 13, 2007 — MOBILE TELESYSTEMS OJSC («MTS» — NYSE: MBT), THE LARGEST MOBILE PHONE OPERATOR IN RUSSIA AND THE CIS, ANNOUNCES THAT ITS CONSOLIDATED SUBSCRIBER BASE REACHED 74.67 MILLION USERS ON JUNE 30, 2007.

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+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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