November 2006

29.11.2006
Financial Results for the Third Quarter Ended September 30, 2006

MOSCOW, RUSSIAN FEDERATION – NOVEMBER 29, 2006 – MOBILE TELESYSTEMS OJSC (“MTS” - NYSE: MBT), THE LARGEST MOBILE PHONE OPERATOR IN RUSSIA AND THE CIS, ANNOUNCES ITS THIRD QUARTER 2006 FINANCIAL AND OPERATING RESULTS.

27.11.2006
MTS to insist on a review of the terms of the put option for the remaining 49% stake in Tarino Limited

MOSCOW, RUSSIAN FEDERATION – NOVEMBER 27, 2006 – MTS FINANCE, A 100%-OWNED SUBSIDIARY OF MOBILE TELESYSTEMS OJSC (“MTS” - NYSE: MBT), ADVISES THAT IT HAS RECEIVED FROM NOMIHOLD SECURITIES INC. (NOMIHOLD) A PUT NOTICE PURSUANT TO AN OPTION AGREEMENT FOR THE 49% STAKE OF TARINO LIMITED, THE INDIRECT OWNER OF BITEL LLP (BITEL), A KYRGYZ GSM MOBILE PHONE OPERATOR, AND STATES THAT IT WILL BE DEFENDING ITS RIGHTS.

22.11.2006
Official statement on Bitel

MOSCOW, RUSSIAN FEDERATION – NOVEMBER 22, 2006 – MOBILE TELESYSTEMS OJSC (“MTS” - NYSE: MBT), THE LARGEST MOBILE PHONE OPERATOR IN RUSSIA AND THE CIS, ANNOUNCES THAT IN LIGHT OF NUMEROUS REQUESTS FROM THE MEDIA REGARDING THE PRESS RELEASE ISSUED ON BEHALF OF BITEL, MTS DEEMS IT NECESSARY TO MAKE THE FOLLOWING STATEMENT:

21.11.2006
Invitation to MTS’ Third Quarter 2006 Financial Results Announcement and Conference Call

The management of Mobile TeleSystems (MTS) will be holding a conference call to discuss the Company’s Third Quarter 2006 Financial and Operating Results on Wednesday, November 29, 2006.

13.11.2006
MTS Announces Subscriber Growth Numbers for October 2006

MOSCOW, RUSSIAN FEDERATION – NOVEMBER 13, 2006 – MOBILE TELESYSTEMS OJSC (“MTS” - NYSE: MBT), THE LARGEST MOBILE PHONE OPERATOR IN RUSSIA AND THE CIS, ANNOUNCES THAT ITS CONSOLIDATED SUBSCRIBER BASE REACHED 68.53 MILLION USERS ON OCTOBER 31, 2006.

02.11.2006
Results of MTS’ extraordinary meeting of shareholders

MOSCOW, RUSSIAN FEDERATION – NOVEMBER 02, 2006 – MOBILE TELESYSTEMS OJSC (“MTS” – NYSE: MBT), THE LARGEST MOBILE PHONE OPERATOR IN RUSSIA AND THE CIS, ANNOUNCES THE DECISIONS MADE AT THE COMPANY’S EXTRAORDINARY GENERAL MEETING OF SHAREHOLDERS (EGM) ON OCTOBER 30, 2006.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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