OREANDA-NEWS. According to the the RTS Public Relations Department, for the period from clearing session on September 12, 2007 to the clearing session on September 15, 2007 the minimal size of Initial Margin for delivery futures contracts with the settlement on September 15, 2007 will be increased.

In this period, for the futures contracts on RAO UESR, LUKOIL, Gazprom, Rosneft, Rostelecom, Surgutneftegaz, MMC "NORILSK NICKEL", Sberbank, JSC VTB Bank shares the minimal basic size of Initial Margin will be fixed on the level of 20% of their price.

On the futures contracts on O.J.S.C. "Uralsvyazinform", MTS OJSC, NOVATEK, "Polyus Gold", OGK-3, OGK-4 shares and preferred shares of Transneft the minimal basic size of initial margin will be fixed on the level of up to 25% of their price.

The increase of the basic size of initial margin is connected with the forthcoming delivery on September 15, 2007.

Derivatives market of RTS - FORTS is a leading trading ground in trading on futures and options in Russia. Trading on FORTS started in September 2001. At present FORTS has the widest range of financial instruments. These are 57 contracts (38 futures and 19 options) on the shares of Russian companies, bonds, short-term interest rates, currency, RTS Index, oil, gold and gas oil. Trading volume on FORTS in 2006 exceeded 100 billion dollars. All in all, in 2006, on FORTS there were more than 5 million trades made with 89,6 million contracts. Average daily open interest on standard contracts in 2006 grew by 259,5% in rubles and in December reached 5 billion dollars.