OREANDA-NEWS. October 18, 2007. MICEX Stock Exchange, the largest stock trading floor in Russia, celebrated the ten-year anniversary of its index on October 4, 2007. MICEX Stock Exchange firmly holds the leading position among Russian and international trading floors by the amount of trading Russian corporate securities. The share of the Stock Exchange accounts for 97% of the total securities trading amount at the Russian stock exchanges and about 70% of the total bidding at the Russian and foreign exchanges as a whole. Ordinary shares of Tatneft along with the other major Russian issuers, such as LUKOIL, Rosneft, RAO Unified Energy System of Russia, GMK, Norilsk Nickel are included into the basis for calculation of the MICEX index.

The stock exchange indices are inherent structural elements of the global financial system. In addition to the traditional function of being aggregate securities market indicators the indices are used as a base for creation of derivative financial instruments, finding application in the field of asset management and investment climate in the country.

The MICEX Stock Exchange Index is a composite index, representing a classic stock price index weighted by the volume of the shares emission.

Rybnikov A. E., Director General of MICEX said at the ceremony: "We are happy to grant a Certificate evidencing for inclusion of OAO Tatneft shares, which are among the most liquid and representative instruments of the Russian securities market, into the base for calculating the MICEX index, covering equities of the major Russian companies and being the key indicator of the Russian stock market".