Mondo Visione Worldwide Financial Markets Intelligence

FTSE Mondo Visione Exchanges Index:

NYSE Euronext To Issue Third-Quarter 2008 Financial Results And Conduct Conference Call On October 31, 2008

Date 02/09/2008

NYSE Euronext (NYX) will announce corporate earnings for the third-quarter 2008, ending September 30, 2008 , before the market opens on Friday, October 31, 2008 . A news release will be issued at approximately 2:30 a.m. (New York)/ 8:30 a.m. (Paris) and a conference call with remarks by NYSE Euronext senior management will begin at 8:00 a.m. (New York)/ 2:00 p.m. (Paris).

A live audio webcast of the conference call will be available on the Investor Relations section of NYSE Euronext’s website, http://www.nyseeuronext.com/ir. Those wishing to listen to the live conference via telephone should dial-in at least 10 minutes before the call begins.

Live Dial-in Information:

United States : 800.510.9661
International: 617.614.3452
Passcode: 89251210

Audio replays of the conference call will be available approximately one hour after the call on the Investor Relations section of NYSE Euronext’s website, http://www.nyseeuronext.com/ir and by dial-in beginning approximately two hours following the conclusion of the live call.

Replay Dial-in Information:

United States : 888.286.8010
International: 617.801.6888
Passcode: 87711682