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

Please note that the conference call will start at:

18:00 hrs (Moscow time)
15:00 hrs (London time)
10:00 hrs (US Eastern time)

To take part in the conference call, please dial one of the following telephone numbers, quoting the Company’s name, MTS:

From the US:       +1 480 629 9043
From the UK:      +44 207 190 1494 
International:        +44 207 190 1494

The conference call will also be available in the IR News – Financial results section via audio webcast.

The earnings release will be posted approximately three hours prior to the conference call and the management’s slide presentation will be posted approximately one hour prior to the conference call in the IR News – Financial results section.

A replay of the conference call will be available on the following telephone numbers from April 16 (from approximately 21:00 hrs Moscow time/18:00 hrs London time/13:00 hrs US Eastern time) to April 26, 2008:

From the US:             +1 303 590 3030                  PIN #3867260
From the UK:            +44 207 154 2833                 PIN #3867260 
International:              +44 207 154 2833                 PIN #3867260