NYSE Euronext Successfully Prices $850 Million Senior Notes

NYSE Euronext (NYX) (the "Company”) today announced that it priced an underwritten public offering of $850 million in aggregate principal amount of 2.000% Notes due 2017. NYSE Euronext intends to use the net proceeds from this offering to fund the purchase of certain of its outstanding $750 million 4.80% Notes due 2013 and €1 billion 5.375% Notes due 2015 in concurrent cash tender offers, for the payment of expenses in connection with these tender offers and for other general corporate purposes.

The joint book-running managers for the offering are BofA Merrill Lynch, Citigroup, J.P. Morgan, Morgan Stanley and Societe Generale. The offering is expected to close on October 5, 2012.

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 BofA Merrill Lynch at 1-800-294-1322 or dg.prospectus_requests@baml.com; Citigroup at 1-800-831-9146 or batprospectusdept@citigroup.com; J.P. Morgan at 1-212-834-4533; Morgan Stanley at 1-866-718-1649; or Societe Generale at 1-855-881-2108 or us-glfi-syn-cap@sgcib.com.

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 approximately 8,000 listed issues (excluding European Structured Products), the Company's equities markets - the New York Stock Exchange, NYSE Euronext, NYSE MKT, NYSE Alternext and NYSE Arca - represent one-third of the world’s equities trading, the most liquidity of any global exchange group. The Company 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. The Company is in the S&P 500 index.

Disclaimer and Cautionary Note Regarding Forward-Looking Statements

This press release contains statements that may constitute "forward-looking statements” within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. In some cases, you can identify these statements by forward-looking words such as "may,” "might,” "will,” "should,” "expect,” "plan,” "anticipate,” "believe,” "estimate,” "predict,” "potential” or "continue,” and the negative of these terms and other comparable terminology. These forward-looking statements, which are subject to known and unknown risks, uncertainties and assumptions about the Company, may include projections of the Company’s future financial performance based on the Company’s growth strategies and anticipated trends in the Company’s business and industry. These statements are only predictions based on the Company’s current expectations and projections about future events. There are important factors that could cause the Company’s actual results, level of activity, performance or achievements to differ materially from the results, level of activity, performance or achievements expressed or implied by the forward-looking statements. In particular, you should consider the risks and uncertainties described under "Risk Factors” in Part I, Item 1A of the Company’s Annual Report on Form 10-K filed for the year ended December 31, 2011, and any additional risks and uncertainties described in the Company’s subsequent Quarterly Reports on Form 10-Q.

These risks and uncertainties are not exhaustive. Sections of the prospectus and related prospectus supplement describe additional factors that could adversely impact the Company’s business and financial performance. Moreover, the Company operates in a very competitive and rapidly changing environment. New risks and uncertainties emerge from time to time, and it is not possible to predict all risks and uncertainties, nor can the Company assess the impact that these factors will have on the Company’s business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements.

Although the Company believes the expectations reflected in the forward-looking statements are reasonable, the Company cannot guarantee future results, level of activity, performance or achievements. Moreover, neither the Company nor any other person assumes responsibility for the accuracy or completeness of any of these forward-looking statements. You should not rely upon forward-looking statements as predictions of future events. The Company is under no duty to update any of these forward-looking statements after the date of this press release to conform the Company’s prior statements to actual results or revised expectations and the Company does not intend to do so.

The Company cautions you not to place undue reliance on the forward-looking statements, which speak only as of the date of this press release. The Company expressly qualify in their entirety all forward-looking statements attributable to the Company or any person acting on the Company’s behalf by the cautionary statements referred to above.