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NYSE Group, Inc. Issues Combined Report On Monthly Transaction Volume For May 2006

Date 02/06/2006

NYSE Group, Inc. (NYSE: NYX) today reported May 2006 transaction volume in all securities traded by NYSE Group. This report represents the NYSE Group monthly volume release issued on a combined basis for NYSE and NYSE Arca.

Adjusted historical monthly volume data for NYSE Group, starting in January 2004, is available at: www.nyse.com/monthlyvolume.



NYSE Group, Inc.

Monthly Volume

(Unaudited; shares and contracts in millions)

Month Ended

May-06

Apr-06

May-05

Number of Trading Days

22

19

21

NYSE Listed Issues1

NYSE Group Matched Volume 2

43,711

33,735

32,386

NYSE Group Handled Volume 3

44,579

34,464

32,894

Total NYSE Listed Consolidated Volume

57,958

45,667

40,614

NYSE Group Share of Total Consolidated Volume

Matched Volume 2

75.4%

73.9%

79.7%

Handled Volume 3

76.9%

75.5%

81.0%

NYSE Arca & Amex Listed Issues

NYSE Group Matched Volume2

2,679

2,001

1,498

NYSE Group Handled Volume 3

3,103

2,338

1,706

Total NYSE Arca & Amex Listed Consolidated Volume

9,322

7,451

5,217

NYSE Group Share of Total Consolidated Volume

Matched Volume2

28.7%

26.9%

28.7%

Handled Volume 3

33.3%

31.4%

32.7%

Nasdaq Listed Issues

NYSE Group Matched Volume 2

10,175

8,155

6,492

NYSE Group Handled Volume 3

12,406

10,081

8,138

Total Nasdaq Listed Consolidated Volume

47,616

40,622

35,424

NYSE Group Share of Total Consolidated Volume

Matched Volume2

21.4%

20.1%

18.3%

Handled Volume 3

26.1%

24.8%

23.0%

Exchange-Traded Funds 1,4

NYSE Group Matched Volume 2

3,827

2,640

1,914

NYSE Group Handled Volume 3

4,226

2,935

2,126

Total ETF Consolidated Volume

10,003

6,983

5,757

NYSE Group Share of Total Consolidated Volume

Matched Volume 2

38.3%

37.8%

33.2%

Handled Volume 3

42.2%

42.0%

36.9%

Equity Options 5

NYSE Group Options Contracts

17.2

13.3

9.6

Total Consolidated Options Contracts

179.0

139.7

99.5

NYSE Group Share of Total

9.6%

9.5%

9.7%

1 Includes all NYSE Group Crossing Sessions.
2 Represents the total number of shares of equity securities and exchange-traded funds (ETFs) executed on the NYSE Group's exchanges.
3 Represents the total number of shares of equity securities and ETFs internally matched on the NYSE Group's exchanges or routed to and executed at an external market center. NYSE Arca routing includes odd-lots.
4 Data included in previously identified categories.
5 Includes trading in U.S. equity options contracts, not equity-index options.

Source: Consolidated Tape as reported for equity securities, and Options Clearing Corporation

About NYSE Group, Inc.
NYSE Group, Inc. (NYSE:NYX) operates two securities exchanges: the New York Stock Exchange (the “NYSE”) and NYSE Arca (formerly known as the Archipelago Exchange, or ArcaEx®, and the Pacific Exchange). NYSE Group is a leading provider of securities listing, trading and market data products and services. The NYSE is the world’s largest and most liquid cash equities exchange. The NYSE provides a reliable, orderly, liquid and efficient marketplace where investors buy and sell listed companies’ common stock and other securities. Our listed operating companies represent a total global market capitalization of over $22.9 trillion. In the first quarter 2006, on an average trading day, over 1.7 billion shares, valued at over $65 billion, were traded on the NYSE.

NYSE Arca operates the first open, all-electronic stock exchange in the United States and has a leading position in trading exchange-traded funds and exchange-listed securities. NYSE Arca is also an exchange for trading equity options. NYSE Arca’s trading platform links traders to multiple U.S. market centers and provide customers with fast electronic execution and open, direct and anonymous market access.

NYSE Regulation, an independent not-for-profit subsidiary, regulates member organizations through the enforcement of marketplace rules and federal securities laws. NYSE Regulation also ensures that companies listed on the NYSE and NYSE Arca meet their financial and corporate governance listing standards.

For more information on NYSE Group, go to: http://www.nyse.com/ . Information contained on our website does not constitute an offering of our security.


Cautionary Note Regarding Forward-Looking Statements
Certain statements in this press release or disclosures on this website may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are based on NYSE Group’s current expectations and involve risks and uncertainties that could cause NYSE Group’s actual results to differ materially from those set forth in the statements. There can be no assurance that such expectations will prove to be correct. Actual results may differ materially from those expressed or implied in the forward-looking statements. Factors that could cause NYSE Group’s results to differ materially from current expectations include, but are not limited to: NYSE Group’s ability to implement its strategic initiatives, economic, political and market conditions and fluctuations, government and industry regulation, interest rate risk and U.S. and global competition, and other factors detailed in NYSE Group’s Annual Report on Form 10-K and other periodic reports filed with the U.S. Securities and Exchange Commission. In addition, these statements are based on a number of assumptions that are subject to change. Accordingly, actual results may be materially higher or lower than those projected. The inclusion of such projections herein should not be regarded as a representation by NYSE Group that the projections will prove to be correct. We undertake no obligation to release any revisions to any forward-looking statements.