Analyst / Investor / Media Call: February 5, 2013 at 8:00 a.m. (NY / ET) / 2:00 p.m. (Paris / CET)

A presentation and live audio webcast of the fourth quarter and full-year 2012 earnings conference call will be available on the Investor Relations section of NYSE Euronext’s website, Those wishing to listen to the live conference via telephone should dial-in at least ten minutes before the call begins. An audio replay of the conference call will be available approximately one hour after the call on the Investor Relations section of NYSE Euronext’s website, or by dial-in beginning approximately two hours following the conclusion of the live call.

Live Dial-in Information:

United States: 866.203.2528

International: 617.213.8847

Passcode: 11676007

Replay Dial-in Information:

United States: 888.286.8010

International: 617.801.6888

Passcode: 41798941

Non-GAAP Financial Measures

To supplement NYSE Euronext’s consolidated financial statements prepared in accordance with GAAP and to better reflect period-over-period comparisons, NYSE Euronext uses non-GAAP financial measures of performance, financial position, or cash flows that either exclude or include amounts that are not normally excluded or included in the most directly comparable measure, calculated and presented in accordance with GAAP. Non-GAAP financial measures do not replace and are not superior to the presentation of GAAP financial results, but are provided to (i) present the effects of certain merger expenses, exit costs, disposal activities, the BlueNext tax settlement, debt refinancing costs and discrete tax items, and (ii) improve overall understanding of NYSE Euronext’s current financial performance and its prospects for the future. Specifically, NYSE Euronext believes the non-GAAP financial results provide useful information to both management and investors regarding certain additional financial and business trends relating to financial condition and operating results. In addition, management uses these measures for reviewing financial results and evaluating financial performance. The non-GAAP adjustments for all periods presented are based upon information and assumptions available as of the date of this release.

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