Mobile Content Russia

MTS Mobile TeleSystems OJSC ("MTS" - NYSE: MBT), the largest cellular operator in Russia and CIS, announces that its consolidated subscriber base reached 80.21 million users on November 30, 2007. During November 2007, MTS' consolidated subscriber base increased by 1.09 million subscribers.

For detailed information see the attached table (mts_subs_nov07.jpg).