Moscow, Russia – November 9, 2009 – “COMSTAR – United TeleSystems” JSC (“Comstar” or “the Group”) (LSE: CMST), the largest integrated telecommunications provider in Moscow and 69 Russian cities, today announced that Standard & Poor’s Ratings Services has confirmed its “BB” corporate credit and “ruAA” Russia national scale ratings for Comstar and its 55.73% owned subsidiary, Moscow City Telephone Network (“MGTS”).

The ratings were removed from CreditWatch, where they had been placed with negative outlook on April 1, 2009. The outlook on both Comstar and MGTS is stable.