OREANDA-NEWS. August 26, 2011. As of August 26, 2011 the parameters of the following financial instrument will be changed, due to the change of the issuer’s name:

RTS Classica market ticker

TLSB

RTS T+0 market ticker

TLSBG

Current name of the instrument

OJSC "TSK", ordinary shares

New name of the instrument

JSC Tulaenergosbyt, 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.