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NYSE Euronext Announces Quarterly Dividend Payment Dates

Date 01/05/2009

NYSE Euronext (NYSE: NYX) today announced dividend payment dates for the quarterly cash dividend of $0.30 per share, payable through the end of 2009, which was approved by the Board of Directors on February 5, 2009.

The second quarter dividend of $0.30 will be paid on June 30, 2009  to shareholders of record as of the close of business on June 15, 2009 . The ex-date, or date on which the reference share price of NYSE Euronext will be adjusted for the amount of the dividend, for NYSE Euronext common stock listed on the New York Stock Exchange and Euronext Paris will be June 11, 2009 .

The third quarter dividend of $0.30 is scheduled to be paid on Sept. 30, 2009  to shareholders of record as of the close of business on Sept. 15, 2008 , with an anticipated ex-date of Sept. 11, 2009 .

The fourth quarter dividend of $0.30 is scheduled to be paid on Dec. 31, 2009  to shareholders of record as of the close of business on Dec. 15, 2009 , with an anticipated ex-date of Dec. 11, 2009 .

Dividend Currency Election
As a convenience to its European shareholders, NYSE Euronext has offered registered shareholders domiciled in Europe and shareholders that hold their shares through Euroclear France  the ability to elect payment of the dividend in euros. The dividend will be converted from U.S. dollars to euros at an exchange rate prevailing on a date near the anticipated respective dividend payment dates. To the extent that such shareholders do not make an election, the dividend will be paid by NYSE Euronext in U.S. dollars.

In order to elect to receive the dividend in euros, registered shareholders domiciled in Europe  must complete a NYSE Euronext currency election form. Registered shareholders may also elect to receive their dividends via electronic funds transfer. Forms for these elections have been sent to registered shareholders by NYSE Euronext’s transfer agent, Computershare, and are available on https://www-us.computershare.com/investor (click “Register Now” to sign up for access to your account). Shareholders that hold their shares through Euroclear France that wish to elect to receive the dividend in Euros must contact their broker.

NYSE Euronext has appointed Société Générale as its paying agent for shareholders holding their shares through Euroclear France . Brokers that wish to contact Société Générale should call:

Georges Geraci: +33 (0)2.51.85.52.80 georges.geraci@socgen.com

Sylvie Baudry: +33 (0)2.51.85.62.89 sylvie.baudry@socgen.com

Tax Information
The United States Internal Revenue Service requires that all non-resident alien investors certify their foreign status by completing a Form W-8BEN . A Form W-8BEN is also required in order to claim, if applicable, a reduced rate of withholding as a resident of a foreign country with which the United States has an income tax treaty. Failure to provide a completed Form W-8BEN may result in the imposition of U.S. backup withholding taxes on dividend payments to your account.

Registered holders will receive the Form W-8BEN  from Computershare or they can download it on https://www-us.computershare.com/investor. Shareholders that hold their shares through a Euroclear participant must contact their broker to obtain the Form W-8BEN .

Deadline for Election
Eligible registered shareholders who have not previously submitted forms must return the completed NYSE Euronext currency election form and completed Form W-8BEN  to Computershare no later than each respective record date.