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¹ Includes all NYSE Group Crossing Sessions.

² Represents the total number of shares of equity securities and exchange-traded funds (ETFs) executed on the NYSE Group's exchanges.

³ Represents the total number of shares of equity securities and ETFs internally matched on the NYSE Group's exchanges or routed to and executed at an external market center.  NYSE Arca routing includes odd-lots.

⁴ Data included in previously identified categories.

⁵ Includes trading in U.S. equity options contracts, not equity-index options.

Source: Consolidated Tape as reported for equity securities, and Options Clearing Corporation

Note: February 2007 data has been revised to adjust for ETFs that were incorrectly classified previously. This correction is immaterial and accounts for 0.1% market share change February’s NYSE-listed market share calculation.

About NYSE Euronext
NYSE Euronext, a holding company created by the combination of NYSE Group, Inc. and Euronext N.V., commenced trading on April 4, 2007 . NYSE Euronext (NYSE/New York and Euronext/Paris: NYX) operates the world’s largest and most liquid exchange group and offers the most diverse array of financial products and services.  NYSE Euronext, which brings together six cash equities exchanges in five countries and six derivatives exchanges, is a world leader for listings, trading in cash equities, equity and interest rate derivatives, bonds and the distribution of market data.  Representing a combined $28.5 trillion/€21.5 trillion total market capitalization of listed companies and average daily trading value of approximately $118.8 billion/€89.9 billion (as of February 28, 2007), NYSE Euronext seeks to provide the highest standards of market quality and integrity, innovative products and services to investors, issuers, and all users of its markets.

Cautionary Note Regarding Forward-Looking Statements
Certain statements in this release may contain 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 Registration Statement on Form S-4 (File No. 333-137506), NYSE Euronext Registration Statement (document de base) filed with the French Autorité des Marchés Financiers (Registered on November 30, 2006 under No. 06-0184), 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.