December 2006

11.12.2006
MTS Announces Subscriber Growth Numbers for November 2006

MOSCOW, RUSSIAN FEDERATION — DECEMBER 11, 2006 — MOBILE TELESYSTEMS OJSC («MTS» — NYSE: MBT), THE LARGEST MOBILE PHONE OPERATOR IN RUSSIA AND THE CIS, ANNOUNCES THAT ITS CONSOLIDATED SUBSCRIBER BASE REACHED 69.68 MILLION USERS ON NOVEMBER 30, 2006.

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+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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