Moscow, Russia – June 17, 2010 – “COMSTAR – United TeleSystems” JSC (“Comstar” or “the Company”) (LSE: CMST), the largest integrated telecommunications provider in Moscow and 82 Russian cities, today announced the decisions made at its Extraordinary General Meeting of shareholders (“EGM”). The EGM was convened and votes were cast remotely via proxy, with June 11, 2010 as the final date for receipt of ballots. The EGM quorum represented 71.91% of the total number of eligible votes.

The EGM approved the following:

1) Amendments to the Charter;

2) Regulations for General Meetings of Shareholders;

3) A new edition of the bylaw related to the Board of Directors;

4) A new edition of the bylaw related to the Management Board;

5) A new edition of the bylaw related to the President of Comstar.

The documents are available on the Company’s website at https://www.comstar-uts.ru/en/for_investors/corporative_management/meetings/29062010/.