Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Harry Serge
   2. Issuer Name and Ticker or Trading Symbol
NYSE Euronext [NYX] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Deputy Head of Corp Strategy
(Last)
(First)
(Middle)
C/O NYSE EURONEXT, 11 WALL STREET		 3. Date of Earliest Transaction (Month/Day/Year)
05/15/2008
(Street)

NEW YORK, NY 10005		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Ordinary Shares - Euronext, N.V. (1) 05/15/2008   M   12,000 A (2) 12,000 D  
Ordinary Shares - Euronext, N.V. (1) 05/15/2008(3)   D   12,000 D (4) 0 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Options - Right to Buy (5) (2) 05/15/2008   M     15,159 (5) 04/04/2007 09/17/2011 Ordinary Shares - Euronext, N.V. (5) 12,000 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Harry Serge
C/O NYSE EURONEXT
11 WALL STREET
NEW YORK, NY 10005		       Deputy Head of Corp Strategy  

Signatures

 C.M. Courtney under POA dated March 27, 2007   05/19/2008
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Euronext, N.V. is a subsidiary of the Issuer.
(2) 22.28 Euros per ordinary share of Euronext, N.V.
(3) The date of final judgment of the Enterprise Chamber of the Amsterdam Court of Appeals on the matter of the statutory buy-out of the remaining minority Euronext shareholders holding approximately 2% of the shares of Euronext, N.V., setting the terms on which those shares will be acquired by the Issuer. Payment for such shares is expected to be made on or about May 20, 2008.
(4) 94.13 euros (Approx US$ 145.32) per ordinary share of Euronext, N.V. Includes accrued interest from May 15, 2008 through May 19, 2008.
(5) Represents options to acquire 12,000 ordinary shares of Euronext, N. V., a subsidiary of the Issuer. The number reported here and in prior filings is the approximate number of shares of Issuer Common Stock that 12,000 shares of Euronext, N.V. would have been converted into had those shares been exchanged at the time of consummation, on April 4, 2007, of the transactions contemplated by the Amended and Restated Combination Agreement dated November 27, 2007, by and among the Issuer, NYSE Group, Inc., Euronext, N.V. and Jefferson Merger Sub, Inc.

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