Euronext N.V.

Board/Management Information • Mar 31, 2010

CONTACT | Media: +31.20.550.4488 (Amsterdam), +32.2.509.1392 (Brussels) +351.217.900.029 (Lisbon), +44.20.7379.2789 (London) +1.212.656.2411 (New York), +33.1.49.27.11.33 (Paris)

CONTACT | Investor Relations: +1.212.656.5700 (New York) +33.1.49.27.58.60 (Paris)

NYSE Euronext appoints Cees Vermaas as member of the Managing Board of Euronext N.V. and chairman of the Managing Board of NYSE Euronext Amsterdam -- Cees Vermaas to succeed Joost van der Does de Willebois as per 1 June 2010 --

31 March 2010 – NYSE Euronext (NYX) announced today that Cees Vermaas (45) will become the new chairman of the Managing Board of NYSE Euronext Amsterdam and member of the Managing Board of Euronext N.V., succeeding Joost van der Does de Willebois (51), who has decided to resign from the management of NYSE Euronext, effective 1 June 2010.

Mr. Vermaas will sit on the Management Committee of NYSE Euronext and will be responsible for international cash business development. The appointment is subject to the non-objection of the Euronext College of Regulators and the approval of the Netherlands Ministry of Finance. Mr. Van der Does de Willebois will continue to work for NYSE Euronext until 1 August 2010 in order to ensure the smooth transfer of responsibilities to Mr. Vermaas.

"We greatly appreciate Joost's many contributions to NYSE Euronext and are pleased that Cees has agreed to take over his responsibilities. Cees has the experience and knowledge of the Dutch and international markets that will be extremely useful in his new position. On behalf of our organisation I would like to thank Joost for the important work he has done for Amsterdam's stock exchange and NYSE Euronext, and I wish him all the best for the future," said Rijnhard van Tets, member of the Board of NYSE Euronext, and Chairman of the Supervisory Board of Euronext N.V and Euronext Amsterdam N.V.

"Joost has played a significant role in the creation and integration of NYSE Euronext, and has promoted the growth of our operations in Amsterdam. We are grateful for everything he has accomplished," said Duncan Niederauer, CEO of NYSE Euronext.

"Cees is very well acquainted with the securities and derivatives markets in Amsterdam and Europe. He has a deep understanding of customers business as well as the upcoming challenges in a competitive environment. He will continue to play a key role in building a strong franchise through innovation and service," added Dominique Cerutti, President & Deputy CEO of NYSE Euronext.

Joost van der Does de Willebois: "After more than five enervating and exciting years, I think this summer is the right moment to hand over my responsibilities to Cees, and to start thinking about the next phase of my career. A great deal has been accomplished during my time on the managing board and I look back on this period with satisfaction. I am convinced that Cees will continue the work we have started, providing added value to clients, shareholders and staff."

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 more than 8,000 listed issues, NYSE Euronext's equities markets – the New York Stock Exchange, NYSE Euronext, NYSE Amex, NYSE Alternext and NYSE Arca – 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: 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. Forwardlooking 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), 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.