Moscow, Russia - September 25, 2007 - Sistema (LSE: SSA), the largest private sector consumer services company in Russia and the CIS, today announced the commencement of trading in its shares on the Moscow Interbank Currency Exchange (MICEX) following their inclusion in the "B" list under the symbol "AFKS" with effect from today.

Since November 2004, Sistema's shares have been listed on the Russian Trading System (RTS) and the Moscow Stock Exchange (MSE). In February 2005, the Company's shares were listed on the London Stock Exchange.

Alexander Goncharuk, President and Chief Executive Officer, commented: "The listing of Sistema shares on MICEX, which counts approximately 400,000 investors among its clients, is the next logical step for our Company in broadening our investor base. We are delighted to offer investors the exposure to our portfolio of businesses which have high growth potential."

Alexei Rybnikov, Chief Executive Officer of MICEX, added: "We are pleased to welcome Sistema to our exchange. We believe that our transparent and reliable trading platform will provide additional possibilities for the Company."