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NYSE Lists Morton’s Restaurant Group And Exco Resources To Mark 10 IPOs In 2006 13 New Listings On NYSE In 2006 Year-To-Date

Date 09/02/2006

The NYSE today added its ninth and tenth initial public offering for the year, when Morton’s Restaurant Group, Inc. (NYSE: MRT) and Exco Resources, Inc. (NYSE: XCO) began trading on the NYSE. Chicago, Ill.-based Morton’s raised $160.9 million in its IPO today, while Dallas, Texas-based Exco Resources raised $650 million at the Exchange.

“We’re delighted to welcome Morton’s and Exco Resources to our family of listed companies, and to continue the NYSE’s success in the IPO sector,” said NYSE CEO John A. Thain. "We look forward to an outstanding partnership with these companies and their shareholders, and to providing the unsurpassed visibility and market quality that issuers have come to expect from the NYSE."

Morton’s Restaurant Group is the second NYSE-based IPO in the restaurant sector this year, following the recent IPO of Chipotle Mexican Grill, Inc. (NYSE: CMG), which raised $173.3 million at the NYSE on Jan. 25. In the energy sector, Exco is the third IPO on the NYSE this year.

Year-to-date, the eight IPOs on the Exchange have raised $2.4 billion in proceeds so far, and the NYSE has added 13 new operating companies to its list.

Last year, IPOs by U.S. domestic companies, excluding funds, raised $21.3 billion, over 90% of qualified IPO dollars. Total IPO proceeds at the NYSE in 2005, including funds, totaled $43.9 billion – more than four times the amount raised on Nasdaq.  In 2005, the Exchange listed 192 new companies, including 46 ETFs.

As of Jan. 31, 2006, the total global market capitalization of the NYSE’s 2,763 listed companies was $21.5 trillion, greater than that of the Tokyo Stock Exchange ($4.6 trillion), Nasdaq ($3.6 trillion), the London Stock Exchange ($3.1 trillion), Euronext ($2.7 trillion) and Deutsche Boerse ($1.2 trillion) combined.

See the  NYSE IPO Showcase.

Important Acquisition Information With Respect To The Merger

In connection with the proposed merger of the New York Stock Exchange, Inc. ("NYSE") and Archipelago Holdings, Inc. ("Archipelago"), NYSE Group, Inc. has filed a registration statement on Form S-4 with the Securities and Exchange Commission (SEC) containing a joint proxy statement/prospectus regarding the proposed transaction. The parties have filed other publicly available relevant documents concerning the proposed transaction with the SEC. The SEC declared the Registration Statement effective on November 3, 2005.

NYSE MEMBERS AND ARCHIPELAGO STOCKHOLDERS ARE URGED TO READ THE FINAL

JOINT PROXY STATEMENT/ PROSPECTUS REGARDING THE PROPOSED TRANSACTION

BECAUSE IT CONTAINS IMPORTANT INFORMATION.

NYSE members and Archipelago stockholders can obtain a free copy of the final joint proxy statement/prospectus, as well as other filings containing information about NYSE and Archipelago without charge, at the SEC's website (http://www.sec.gov ). Copies of the final joint proxy statement/prospectus can also be obtained, without charge, by directing a request to the Office of the Corporate Secretary, NYSE, 11 Wall Street, New York 10005, 212-656-2061 or to Archipelago, Attention: Investor Relations, at 100 S. Wacker Drive, Suite 1800, Chicago,Illinois 60606 or calling (888) 514-7284.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offering of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended.

Forward-Looking Statements

Certain statements in this press release may contain forward-looking information regarding the NYSE and Archipelago and the combined company after the completion of the transactions that are intended to be covered

by the safe harbor for "forward-looking statements" provided by the Private Securities Litigation Reform Act of 1995. These include statements about the new company's plans, objectives, expectations and intentions and other statements that are not historical facts. Such statements are based upon the current beliefs and expectations of NYSE's and Archipelago's management and are subject to significant risks and uncertainties. Actual results may differ from those set forth in the forward-looking statements.

The following factors, among others, could cause actual results to differ from those set forth in the forward-looking statements: the ability to obtain governmental approvals of the transaction on the proposed terms and schedule; the risk that the businesses will not be integrated successfully; the risk that the cost savings and any other synergies from the transaction may not be fully realized or may take longer to realize than expected; disruption from the transaction making it more difficult to maintain relationships with customers, employees or suppliers; competition and its effect on pricing, spending, third-party relationships and revenues; social and political conditions such as war, political unrest or terrorism; general economic conditions and normal business uncertainty. Additional risks and factors are identified in Archipelago's filings with the Securities Exchange Commission, including its Report on Form 10-K for the fiscal year ending December 31, 2004 which is available on Archipelago's website at http://www.Archipelago.com, and the Registration Statement on Form S-4 filed by NYSE Group, Inc. with the SEC on July 21, 2005 (and amended on September 24, 2005, October 24, 2005 and November 3, 2005).

You should not place undue reliance on forward-looking statements, which speak only as of the date of this release. Except for any obligation to disclose material information under the Federal securities laws, none of the NYSE, Archipelago or the combined company after the completion of the transactions undertake any obligation to release publicly any revisions to any forward-looking statements to reflect events or circumstances after the date of this document.