Financial results
Official filings Announcements

Financial results

16.04.2008

Mobile TeleSystems announces financial results for the fourth quarter and full year ended December 31, 2007

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” - NYSE: MBT), today announced its consolidated US GAAP financial results for the three months (unaudited) and full year ended December 31, 2007.

10.04.2008

Fourth quarter and full year 2007 financial results announcement and conference call

The management of Mobile TeleSystems (MTS) will be holding a conference call to discuss the Company’s Fourth Quarter and Full Year 2007 Financial and Operating Results on Wednesday, April 16, 2008.

20.11.2007

Financial results for the third quarter ended September 30, 2007

Moscow, Russian Federation — Mobile TeleSystems OJSC («MTS» — NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces its third quarter1 2007 financial and operating results.

4.09.2007

Financial results for the second quarter ended June 30, 2007

Moscow, Russian Federation — Mobile TeleSystems OJSC («MTS» — NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces its second quarter1 2007 financial and operating results.

31.05.2007

Financial Results for the First Quarter Ended March 31, 2007

MOSCOW, RUSSIAN FEDERATION — MAY 31, 2007 — MOBILE TELESYSTEMS OJSC («MTS» — NYSE: MBT), THE LARGEST MOBILE PHONE OPERATOR IN RUSSIA AND THE CIS, ANNOUNCES ITS FIRST QUARTER 20071 FINANCIAL AND OPERATING RESULTS.

30.05.2007

MTS Announces Change to 2006 Reported Financial Results

MOSCOW, RUSSIAN FEDERATION — MAY 30, 2007 — MOBILE TELESYSTEMS OJSC («MTS» — NYSE: MBT), THE LARGEST MOBILE PHONE OPERATOR IN RUSSIA AND THE CIS, ANNOUNCES THAT IT WILL RECORD A CHARGE TO NON-OPERATING EXPENSES FOR THE YEAR ENDED DECEMBER 31, 2006 IN RELATION TO A $170 MILLION PUT OPTION HELD BY NOMIHOLD SECURITIES INC. («NOMIHOLD»).

21.03.2007

Financial Results for the Fourth Quarter and Full-Year Ended December 31, 2006

MOSCOW, RUSSIAN FEDERATION — MARCH 21, 2007 — MOBILE TELESYSTEMS OJSC («MTS» — NYSE: MBT), THE LARGEST MOBILE PHONE OPERATOR IN RUSSIA AND THE CIS, ANNOUNCES ITS FOURTH QUARTER AND FULL-YEAR 20061 FINANCIAL AND OPERATING RESULTS.

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.

5.09.2006

Financial Results for the Second Quarter Ended June 30, 2006

MOSCOW, RUSSIAN FEDERATION — SEPTEMBER 5, 2006 — MOBILE TELESYSTEMS OJSC («MTS» — NYSE: MBT), THE LARGEST MOBILE PHONE OPERATOR IN RUSSIA AND THE CIS, TODAY ANNOUNCES ITS SECOND QUARTER 2006 FINANCIAL AND OPERATING RESULTS.

15.06.2006

Financial Results for the First Quarter Ended March 31, 2006

Moscow, Russian Federation — June 15, 2006 — Mobile TeleSystems OJSC («MTS» — NYSE: MBT), the largest mobile phone operator in Russia and the CIS, today announces its first quarter 2006 financial and operating results.










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