NYSE Announces Quarterly Changes to the NYSE Family of Indexes


NEW YORK , Dec. 17, 2010– The New York Stock Exchange will make the following changes to the NYSE U.S. 100, NYSE International 100, NYSE TMT and the NYSE World Leaders Indexes, effective Mon., Dec. 20 as a result of quarterly re-balancing.

NYSE U.S. 100 Index (NY.ID)


NYSE International 100 Index (NYI.ID)




NYSE World Leaders Index (NYL.ID)


NYSEU.S. 100 Index (NY.ID): The U.S. 100 Index reflects the performance of the 100 largest, by market capitalization, NYSE-listed U.S. companies.  The index represents over 27% of the market capitalization of the entire U.S. market.

NYSE International 100 Index (NYI.ID): The International 100 Index reflects the performance of the 100 largest, by market capitalization, NYSE-listed non-US companies. It is designed to assist investors seeking to track the largest non-US companies with US listings.

NYSE TMT Index (NYY.ID): The TMT Index tracks the top 100 NYSE-listed technology, media and telecom stocks.  With approximately the same market cap as the Nasdaq 100, the NYSE TMT Index is the first tool to track exclusively the global TMT market with all components priced on the NYSE during U.S. trading hours.

NYSE World Leaders Index (NYL.ID):  The World Leaders index combines the U.S. 100 and International 100 Indexes to create a well-diversified group of NYSE-listed companies that represent 27 countries and all 10 industry sectors according to the Industry Classification Benchmark.

The entire index universe is ranked in descending order by unadjusted market capitalization. Prior components with size ranks of 80 or higher remain in the index while prior components ranked below 120 in size are removed from the index. Beginning with the highest-ranked component, any non-component stock ranked 80 or higher on the selection list is added to the index. The new stock replaces the lowest-ranked stock remaining in the index, if the index would have more than 100 components when it is added.

*For the NYSE TMT Index, cap sector weights are set for technology, media and telecommunications at no more than 40% so that no one sector dominates the index. Also cap sub-industry weights are set at no more than 20% so that one sub-group does not dominate the index.

*For the NYSE World Leaders Index, tracking for the components and performance of the NYSE US 100 Index and NYSE International 100 Index are combined and component weights are based on float-adjusted market-caps for the combined index.

The company additions and/or deletions listed above are not an assessment of the company’s prospects, potential or investment value.

About NYSE Euronext
NYSE Euronext (NYX) is a leading global operator of financial markets and provider of innovative trading technologies.  The company’s exchanges in Europe and the United States trade equities, futures, options, fixed-income and exchange-traded products.  With approximately 8,000 listed issues (excluding European Structured Products), NYSE Euronext’s equities markets – the New York Stock Exchange, NYSE Euronext, NYSE Amex, NYSE Alternext and NYSE Arca – represent one-third of the world’s equities trading, the most liquidity of any global exchange group. NYSE Euronext also operates NYSE Liffe, one of the leading European derivatives businesses and the world’s second-largest derivatives business by value of trading. The company offers comprehensive commercial technology, connectivity and market data products and services through NYSE Technologies. NYSE Euronext is in the SP 500 index, and is the only exchange operator in the SP 100 index and Fortune 500.  For more information, please visit: http://www.nyx.com.

Cautionary Note Regarding Forward-Looking Statements
This press release may contain forward-looking statements, including forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements include, but are not limited to, statements concerning NYSE Euronext’s plans, objectives, expectations and intentions and other statements that are not historical or current facts. Forward-looking statements are based on NYSE Euronext’s current expectations and involve risks and uncertainties that could cause actual results to differ materially from those expressed or implied in such forward-looking statements. Factors that could cause NYSE Euronext’s results to differ materially from current expectations include, but are not limited to: NYSE Euronext’s ability to implement its strategic initiatives, economic, political and market conditions and fluctuations, government and industry regulation, interest rate risk and U.S. and global competition, and other factors detailed in NYSE Euronext’s reference document for 2009 (“document de référence”) filed with the French Autorité des Marchés Financiers (Filed on April 22, 2010 under No. D.10-0304), 2009 Annual Report on Form 10-K and other periodic reports filed with the U.S. Securities and Exchange Commission or the French Autorité des Marchés Financiers. In addition, these statements are based on a number of assumptions that are subject to change. Accordingly, actual results may be materially higher or lower than those projected. The inclusion of such projections herein should not be regarded as a representation by NYSE Euronext that the projections will prove to be correct. This press release speaks only as of this date. NYSE Euronext disclaims any duty to update the information herein.

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