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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1368007	Nyse Euronext	NYX	Security & Commodity Brokers, Dealers, Exchanges & Services (6200)	205110848

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1393970	L Duncan Niederauer	C/O Nyse Euronext 11 Wall Street New York NY 10005	Chief Executive Officer	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock, Par Value $0.01 Per Share	Acquisiton	2011-08-08	9,100	$27.07	164,069	No	4	P	Direct
Common Stock, Par Value $0.01 Per Share	Acquisiton	2011-08-08	15,900	$27.56	179,969	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Direct
No	4	P	Direct

Footnotes

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $26.25 to $27.24, inclusive. The reporting person undertakes to provide to NYSE Euronext, any security holder of NYSE Euronext, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4.
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $27.25 to $27.86, inclusive.