News Releases

NYSE Arca Tech 100 Index® Announces Constituent Change
NEW YORK,  June 28, 2006The NYSE Arca Tech 100 Index (“Index”) has evaluated recent corporate events and intends to alter the constituent holdings for the Index.

Effective at the open Wednesday June 28, 2006 , Vitesse Semiconductor Corporation has been removed from the Index as it is no longer eligible for inclusion in the Index due to the company’s recent delisting from Nasdaq®.

The Index committee has selected Citrix Systems Inc. (CTXS) to be added to the Index effective at the opening on Thursday June 29, 2006 .

For more information on the NYSE Arca Tech 100 Index email: or visit

About the NYSE Arca Tech 100 Index
The NYSE Arca Tech 100 Index, formerly the ArcaEx Tech 100sm and PSE Tech 100 Index®, has been in existence since 1982, and is referenced as a benchmark for the U.S. tech sector. This price weighted index is comprised of 100 listed and over-the-counter securities. Companies from different industries that produce or deploy innovative technologies to conduct their business are considered for inclusion in the Index. Leading companies are selected for the Index from several industries, including computer hardware, software, semiconductors, data storage and processing, electronics and biotechnology. Modeled as a multi-industry technology index, the objective of the NYSE Arca Tech 100 Index is to provide a benchmark for measuring the performance of companies that innovatively use technology across a broad spectrum of industries.

About NYSE Group, Inc.
NYSE Group, Inc. (NYSE: NYX) operates two securities exchanges: the New York Stock Exchange (the “NYSE”) and NYSE Arcasm (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: 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 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.

Contact: Eric Ryan
Phone: 212.656.2411