NYSE Euronext Successfully Prices $750 million Senior Notes

NEW YORK--(Business Wire)--
NYSE Euronext (NYX) today announced that it priced an underwritten
public offering of $750 million in aggregate principal amount of 4.80%
senior notes due June 28, 2013 in the United States. NYSE Euronext
intends to use the net proceeds from this offering for general
corporate purposes, including, without limitation, the repayment of
existing debt.

This offering is part of NYSE Euronext's continuous review of its
financial and debt policy. NYSE Euronext may from time to time
determine to vary the maturity profile of its debt and diversify its
sources of financing, subject to market conditions and strategic
considerations. NYSE Euronext is rated AA by Standard & Poor's and A1
by Moody's Investor Services.

The joint book-running managers for the offering are Banc of
America Securities LLC, Citi and Merrill Lynch, Pierce, Fenner & Smith
Incorporated and the passive joint book-running managers are UBS
Securities LLC and Wachovia Capital Markets, LLC. The offering is
expected to close on May 29, 2008.

This press release does not constitute an offer to sell or the
solicitation of an offer to buy any securities, nor will there be any
sale of any securities in any state or jurisdiction in which such
offer, solicitation or sale would be unlawful prior to registration or
qualification under the securities laws of any such state or
jurisdiction. The offering may be made only by means of a prospectus
and a related prospectus supplement, copies of which may be obtained
by contacting Banc of America Securities LLC at 1-800-294-1322, Citi
at 1-877-858-5407 or Merrill Lynch, Pierce, Fenner & Smith
Incorporated at 1-866-500-5408.

About NYSE Euronext

NYSE Euronext (NYX) operates the world's leading and most liquid
exchange group, and seeks to provide the highest levels of quality,
customer choice and innovation. Its family of exchanges, located in
six countries, includes the New York Stock Exchange, the world's
largest cash equities market; Euronext, the Eurozone's largest cash
equities market; Liffe, Europe's leading derivatives exchange by value
of trading; and NYSE Arca Options, one of the fastest growing U.S.
options trading platforms. NYSE Euronext offers a diverse array of
financial products and services for issuers, investors and financial
institutions in cash equities, options and derivatives, ETFs, bonds,
market data, and commercial technology solutions. NYSE Euronext's
nearly 4,000 listed companies represent a combined $ 30.9/ EUR 19.8
trillion in total global market capitalization (as of April 30, 2008
), more than four times that of any other exchange group. NYSE
Euronext's equity exchanges transact an average daily trading value of
approximately $161.9 / EUR 106.9 billion (as of April 30, 2008), which
represents more than one-third of the world's cash equities trading.
NYSE Euronext is part of the S&P 500 index and the only exchange
operator in the S&P 100 index.

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 2007 ("document de reference") filed
with the French Autorite des Marches Financiers (Registered on May 15,
2008 under No. R. 08-054), 2007 Annual Report on Form 10-K and other
periodic reports filed with the U.S. Securities and Exchange
Commission or the French Autorite des Marches 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.

NYSE Euronext
Eric Ryan, 212-656-2411
eryan@nyx.com

Copyright Business Wire 2008