Euronext N.V.

Board/Management Information • Feb 8, 2010

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NYSE Euronext Names Robert G. Scott to its Board of Directors

February 8, 2010 – NYSE Euronext (NYX) today announced that Robert G. Scott, former President and Chief Operating Officer of Morgan Stanley, has been appointed as an independent member of the Company's Board of Directors, effective February 4, 2010, subject to regulatory approval. Mr. Scott has also been appointed to the Audit Committee.

Mr. Scott was formerly President, COO and a Director of Morgan Stanley, a global financial services firm with leading franchises in institutional and retail securities and credit services until December 2003, and he continues as an advisory director of the company. Mr. Scott was named CFO of Morgan Stanley Dean Witter at the time of the merger between Morgan Stanley and Dean Witter and became president and COO in 2001.

"Bob is an outstanding addition to our Board," said Jan-Michiel Hessels. "His broad experience and successful career in financial services will be strong assets to our organization. My fellow directors and I welcome Bob and look forward to working with him."

Mr. Scott joined Morgan Stanley in 1970 and became a managing director in 1979. Prior to the merger of Morgan Stanley and Dean Witter, Mr. Scott held a number of positions with worldwide responsibility including, director of investment banking from 1994 to 1996, director of corporate finance from 1992 to 1994 and director of capital market services from 1985 to 1992.

Mr. Scott is a trustee of Williams College and a member of the Advisory Council of the Stanford University Graduate School of Business. Mr. Scott is currently a director of Genpact, a publicly traded business process outsourcing company located in India and a member of the board of trustees of the New York Presbyterian Hospital. Mr. Scott is a trustee of the Naples Children and Education Foundation.

He received his BA in economics from Williams College and his MBA from the Stanford University Graduate School of Business.

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, fixedincome and exchange-traded products. With more than 8,000 listed issues, NYSE Euronext's equities markets -- the New York Stock Exchange, Euronext, NYSE Arca and NYSE Amex -- represent nearly 40 percent of the world's equities trading, the most liquidity of any global exchange group. NYSE Euronext also operates NYSE Liffe, the leading European derivatives business 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 S&P 500 index, and is the only exchange operator in the S&P 100 index and Fortune 500. 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 2008 ("document de référence") filed with the French Autorité des Marchés Financiers (Registered on April 28, 2009 under No. R. 09-031), 2008 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.