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NYSE Euronext To Present At The UBS Global Exchanges Conference

Date 08/06/2007

NYSE Euronext (NYSE Euronext: NYX) announced today that Jean-François Théodore, NYSE Euronext Deputy Chief Executive Officer and Duncan L. Niederauer, NYSE Euronext President and Co-Chief Operating Officer, will participate in the UBS Global Exchanges Conference in London on Tuesday, June 12, 2007 at 11:00 a.m. London time and 3:45 p.m. London time, respectively. Mr. Theodore will appear on a panel entitled “Globalization of the Markets and Exchange Sector Impact”, and Mr. Niederauer will appear on a panel entitled “Transatlantic Market Developments”.

A live webcast of the panels will be available on the NYSE Euronext Investor Relations web site: http://ir.nyse.com/. A replay will be available after the panels conclude at the same address.

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 Euronext: 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 in six countries, 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 $123.4 billion/€92.4 billion (as of March 31, 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.