Rigrodsky & Long, P.A. announces that it is investigating potential legal claims against the board of directors of NYSE Euronext, Inc. (“NYX” or the “Company”) (NYSE: NYX) regarding possible breaches of fiduciary duties and other violations of law related to the Company’s entry into an agreement to be acquired by IntercontinentalExchange, Inc. (“ICE”) (NYSE: ICE) in a transaction valued at approximately $8.2 billion.

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Under the terms of the proposal, public shareholders of NYX will receive $33.12 in cash, 0.2581 ICE common shares, or a mix of $11.27 in cash plus 0.1703 ICE common shares for each share of NYX they own.

The investigation concerns whether NYX’s board of directors failed to adequately shop the Company and obtain the best possible value for NYX’s shareholders before entering into an agreement with ICE.

If you own the common stock of NYX and purchased your shares before December 20, 2012, if you have information or would like to learn more about these claims, or if you wish to discuss these matters or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact Peter Allocco at Rigrodsky & Long, P.A., 825 East Gate Boulevard, Suite 300, Garden City, New York 11530 toll free at (888) 969-4242, by e-mail to info@rigrodskylong.com, or at: http://www.rigrodskylong.com/investigations/nyse-euronext-inc-nyx.

Rigrodsky & Long, P.A., with offices in Wilmington, Delaware and Garden City, New York, regularly prosecutes securities class, derivative and direct actions, shareholder rights litigation and corporate governance litigation, on behalf of shareholders in states and federal courts throughout the United States.

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