News Releases

NYSE Arca Options Approves Three New Lead Market Making Firms
-New Options Platform Provides Unique Opportunities for Investors and Liquidity Providers-

CHICAGO, October 23, 2006 NYSE Arca today announced the addition of three new options Lead Marketing Making (LMMs) firms to the NYSE Arca Options platform. Credit Suisse Securities (USA) LLC, SLK-Hull Derivatives LLC and UBS Securities LLC have all been approved as Lead Market Makers on NYSE Arca’s new options trading platform.

"We are extremely pleased to have these firms joining our exchange as Lead Market Makers," said Jon Werts, Vice President, NYSE Group. "Investors will benefit from their expertise in market making, and the added liquidity and execution quality they bring to NYSE Arca Options."

SLK-Hull Derivatives began LMM operations on October 10, while Credit Suisse Securities is expected to begin in early November and UBS Securities LLC plans to start by year end. With the addition of these new LMMs, NYSE Arca Options will have 11 Lead Market Makers and a total of 25 market making firms on the system.

NYSE Arca Options offers immediate, cost-effective electronic order execution in nearly 2,000 options issues. The newly-developed system provides automatic executions for customer and broker dealer orders as well as a low cost venue for both Lead Market Makers and Market Makers to stream quotes from the trading floor or remotely.  Blending speed and price-time priority with Lead Market Maker participation, NYSE Arca Options offers expanded and innovative order types, along with greater transparency, reliability and performance.

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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. On Sept. 30, 2006, our listed operating companies represent a total global market capitalization of over $ 22.6 trillion. In the third quarter 2006, on an average trading day, almost 1.6 billion shares, valued at over $57.3 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 provides 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 a part of the prospectus relating to the proposed offering.

Cautionary Note Regarding Forward-Looking Statements
Certain statements in this article 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