Moscow, Russia – April 28, 2010 – “COMSTAR – United TeleSystems” JSC (“Comstar” or “the Group”) (LSE: CMST), the largest integrated telecommunications provider in Moscow and 82 Russian cities, today announced that its Annual Financial Report for 2009 which includes the audited US GAAP financial statements for the financial year ended December 31, 2009 has been filed and is available on the Company’s website at https://www.comstar.ru/en/for_investors/annualreports, in the Investor Relations section.