RTS Stock Exchange: List Of Securities Traded Anonymously Changes

On November 9 th , 2005, the Board of Directors of non-for-profit partnership "Russian Trading System" Stock Exchange has decided to change the list of securities admitted to the anonymous trading on NP RTS Classic Market.

Common shares of "SIBNEFT" (SIBN) are taken off the list, while "MTS" common shares (MTSS) will be put on the list.

As reported earlier, effective November 15 th , 2005, trading in the most liquid shares of RTS Classic Market (EESR , LKOH , RTKM , SNGS , TATN , GMKN) will become order-driven ("anonymous").

As of November 15 th , 2005, the following rules will be applied to trading in the securities mentioned above:

• the code of a market participant that has submitted an order will not be disclosed;
• anonymous orders will be accepted only from those market participants that has undergone the procedure of admittance to anonymous trading;
• orders will be accepted only on the "delivery versus payment" terms with settlement in USD-dollars;
• trades based on anonymous orders will be executed based on the order-driven auction only.

At the same time market participants will be able to report the over-the-counter trades executed on terms other than "delivery versus payment" and settled in Russian rubles.