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NYSE Euronext offers comprehensive global commercial technology,connectivity, and market data products and services through its innovativetrading solutions unit, NYSE Technologies. NYSE Euronext is part of the S&P 500index and the only exchange operator in the S&P 100 index. For more information,please visit: About CienaCiena specializes in practical network transition. We offer leading networkinfrastructure solutions, intelligent software and a comprehensive servicespractice to help our customers use their networks to fundamentally change theway they compete. With a growing global presence, Ciena leverages its heritageof practical innovation to deliver maximum performance and economic value incommunications networks worldwide. For more information, visit Cautionary Note Regarding Forward-Looking StatementsThis press release may contain forward-looking statements, includingforward-looking statements within the meaning of the Private SecuritiesLitigation Reform Act of 1995.

Such forward-looking statements include, but arenot limited to, statements concerning NYSE Euronext`s plans, objectives,expectations and intentions and other statements that are not historical orcurrent facts. Forward-looking statements are based on NYSE Euronext`s currentexpectations and involve risks and uncertainties that could cause actual resultsto differ materially from those expressed or implied in such forward-lookingstatements. Factors that could cause NYSE Euronext`s results to differmaterially from current expectations include, but are not limited to: NYSEEuronext`s ability to implement its strategic initiatives, economic, politicaland market conditions and fluctuations, government and industry regulation,interest rate risk and U.S. and global competition, and other factors detailedin NYSE Euronext`s reference document for 2007 ("document de référence") filedwith the French Autorité des Marchés Financiers (Registered on May 15, 2008under No R. 08-054), 2008 Annual Report on Form 10-K and other periodic reportsfiled with the U.S.

Securities and Exchange Commission or the French Autoritédes Marchés Financiers. In addition, these statements are based on a number ofassumptions that are subject to change. Accordingly, actual results may bematerially higher or lower than those projected. The inclusion of suchprojections herein should not be regarded as a representation by NYSE Euronextthat the projections will prove to be correct This press release speaks only asof this date. Cienaassumes no obligation to update the information included in this press release,whether as a result of new information, future events or otherwise.Photos/Multimedia Gallery Available: http:// Contacts:Nicole AndersonCiena orRich AdamonisNYSE orInvestor Contact:Suzanne DuLongCiena Copyright Business Wire 2009. NEW YORK--(Business Wire)--Regulatory News: Colgate-Palmolive Chairman, President and CEO, Ian Cook, will present onThursday, May 14, 2009 at 8:05 a.m ET at the Goldman Sachs Consumer ProductsSymposium.