Securities Market - Stocks

Exchanges and Exchange Codes

Common shares of OAO RAO “UES of Russia” were included in the A-1 level list of ZAO “MICEX Stock Exchange” (ZAO “MICEX SE”), Nonprofit partnership “RTS Stock Exchange” (NPP “RTS SE”) and OAO “RTS Stock Exchange”.

Preference shares of OAO RAO “UES of Russia” were included in the A-1 level list of ZAO “MICEX Stock Exchange” (ZAO “MICEX SE”) and A-2 level list of Nonprofit partnership “RTS Stock Exchange” (NPP “RTS SE”).

Preference shares of OAO RAO “UES of Russia” were also authorized for trading as unlisted equities on the OAO “RTS Stock Exchange” ( Equities that are authorized to be traded on the stock exchange, but not included in any quoting lists).

Share codes of UESR on the major Russian stock exchanges

* - In accordance with the normative legal acts of the Russian Federation for the purpose of restructuring of the Moscow Interbank Currency Exchange, ZAO “MICEX SE” was registered on December 2, 2003 ( ZAO “MICEX” is the initiator).

September 15, 2004 – Federal Service for Financial Markets issued a license for Stock Exchange organization to ZAO “MICEX Stock Exchange”.

Trading on ZAO “MICEX Stock Exchange” started on January 11, 2005.

** - OAO “RTS Stock Exchange” part of RTS Group was formed by the decision of the Board of Directors of NPP “RTS Stock Exchange” at the end of 2003. Qualified members of the trading system hold 75% of issued shares of OAO “RTS SE”.

OAO “RTS SE” carries anonymous trading of securities using “ delivery against payment” method with 100% of assets pre-depositing, unlike NPP “RTS SE” where only address deals are executed.

Trading on OAO “RTS SE” started on November 23, 2004.