Euronext N.V.

Regulatory Filings • Dec 8, 2008

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NYSE Euronext Announces Trading Volumes for November 2008

Dec. 8, 2008 – NYSE Euronext (NYX) today announced trading volumes for its global cash equities and derivatives exchanges. NYSE Euronext registered increased trading activity on U.S. cash equities and options exchanges in November and strong year-to-date volume gains across all its global multi-asset platforms.

U.S. cash products average daily volume ("ADV") increased 26% to 4.1 billion shares1 .

• NYSE listed matched volume (Tape A) increased 14% to 2.6 billion shares and Tape A market share was 42.7%.
• NYSE Arca and NYSE Alternext US listed matched volume (Tape B) increased 174% to 666 million shares.
• Nasdaq listed matched volume (Tape C) decreased 4% to 374 million shares.
• Exchange-traded funds matched volume increased 94% to 672 million shares.

European cash products ADV decreased 4% to 1.5 million transactions1,2 .

• European cash trading activity qualifying for Pack Epsilon pricing represented 34% of total transactions executed.

European derivatives products (Liffe) ADV decreased 2% to 3.7 million futures and options contracts1 .

• Total interest rate products ADV decreased 14% to 1.8 million contracts.
• Total equity products ADV increased 14% to 1.9 million contracts. Bclear, Liffe's trade administration and clearing service, processed 775 thousand contracts per day, an increase of 92%.

U.S. derivatives products (equity options) ADV increased 1% to 2.0 million contracts, driven by the addition of NYSE Amex equity options1 .

Please click here for the Monthly Transaction Activity Data Table.

¹ All comparisons versus November 2007.

² Euronext equities transactions count each buy and sell order as separate transactions, NYSE Group equities transactions count buy and sell orders together as a single transaction. All NYSE Euronext derivatives transactions count buy and sell orders together as a single transaction.

About NYSE Euronext

NYSE Euronext (NYX) is the world's leading, most liquid and diverse exchange group. It offers a broad and growing array of financial products and services in cash equities, futures, options, exchange-traded products, bonds, market data, and commercial technology solutions, all designed to meet the evolving needs of issuers, investors and financial institutions. Spanning multiple asset classes and six countries, NYSE Euronext's exchanges include the New York Stock Exchange, Liffe, Euronext and NYSE Arca. With more than 6,500 listed issues, more than any other exchange group, trading on NYSE Euronext's equity markets represents more than one-third of the world's cash equities volume. NYSE Euronext also manages the leading European derivatives exchange by value of trading. NYSE Euronext is part of the S&P 500 index and the only exchange operator in the S&P 100 index. For more information, please visit 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 2007 ("document de référence") filed with the French Autorité des Marchés Financiers (Registered on May 15, 2008 under No. R. 08-054), 2007 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.