OREANDA-NEWS. July 18, 2011. As of July 18, 2011 the name of the following financial instrument will be changed, due to the change of the issuer’s name:

RTS Classica market ticker

OGKD

RTS T+0 market ticker

OGKDG

Current name of the instrument

JSC "OGK-4", ordinary shares

New name of the instrument

JSC "E.ON Russia", ordinary shares

RTS Classica is the oldest organized stock market in Russia – trading was opened on July 5, 1995. The prices that are discovered on RTS Classica are a well-acknowledged guideline for the investors who trade in Russian shares and depositary receipts representing them. RTS market data is transmitted to a large number of clients in Russia and abroad and is a basis for calculation of the main benchmark of the Russian stock market – RTS Index.

Trading on the RTS T+0 Market is held on the basis of anonymous trading of Order-Driven Market using a "Delivery Versus Payment" technology with 100% advance depositing of assets.