Euronext N.V.

Board/Management Information • Apr 1, 2010

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NYSE Euronext Names Mark MacGann Senior Vice President, Head of European Government Affairs and Public Advocacy

April 1, 2010 -- NYSE Euronext (NYX) today announced the appointment of Mark MacGann to the position of Senior Vice President, Head of European Government Affairs and Public Advocacy. Mr. MacGann will take office on 6 April and will be based in Brussels. He will report to John K. Halvey, General Counsel and Group Executive Vice President, NYSE Euronext.

"Mark's successful career in the public and private sectors and his broad experience in European affairs will be extremely beneficial to NYSE Euronext as we are addressing a period of great change in our capital markets," said Dominique Cerutti, President and Deputy Chief Executive Officer, NYSE Euronext.

Mr. Halvey added, "We look forward to working with Mark, whose outstanding addition to our team is a significant step in our ongoing efforts to better facilitate an exchange of views on issues that impact the marketplace."

Mr. MacGann has more than 18 years of experience in government relations, legislative policy and public advocacy. Recently, Mr. MacGann served as the CEO Brussels & Belgium and Head of Public Affairs EMEA at Weber Shandwick. Prior to that, he was the chief lobbyist and media spokesperson for the digital technology industry in Europe, as head of DIGITALEUROPE. He also held senior positions at Brunswick LLP and Alcatel-Lucent. He holds Masters and Bachelors degrees in political science and economics from the Institut d'Etudes Politiques de Grenoble, France and Kingston University, England.

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 3,700 listed operating companies, 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 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.