press center press release

NASDAQ Announces June Market Performance Statistics

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NEW YORK, July 11, 2006 (PRIMEZONE) -- The Nasdaq Stock Market, Inc. (Nasdaq:NDAQ) today announced its consolidated market performance statistics for the NASDAQ Market Center, INET and Brut trading platforms for the month of June.

NASDAQ(r) continued to capture a greater percentage of market share and share volume in NYSE-listed securities. During June 2006, NASDAQ's average daily share volume in NYSE-listed securities was approximately 594.6 million, compared with 566.5 million in May and 315.3 million in June 2005. Matched market share(a) in NYSE-listed securities increased to 8.9% in June from 8.0% in May. NASDAQ's touched market share in NYSE-listed securities rose to 21.4%in June from 20.7% in May.

NASDAQ's total market share in NYSE-listed securities in June was 23.0%. Included in the total market share figure for June is 14.1% in NYSE-listed securities executed by broker-dealers and reported to NASDAQ.

NASDAQ's total market share in NASDAQ-listed securities in June increased to 77.9%. Included in the total market share figure for June is 29.0% in NASDAQ securities executed by broker-dealers and reported to NASDAQ. Matched market share in NASDAQ-listed securities increased to 48.9% in June and touched market share in NASDAQ-listed securities in June was 55.2%.

NASDAQ's total market share in NASDAQ-listed securities is total share volume of NASDAQ-listed securities that are executed on the NASDAQ Market Center, INET and/or Brut books, plus internalized volume, as a percentage of total consolidated NASDAQ market volume. Shares routed to other market centers for execution are not included.

Total market share in NYSE-listed securities is based on total share volume of NYSE-listed securities that are executed on the NASDAQ Market Center, INET and/or Brut books, plus internalized volume as a percentage of total consolidated NYSE market volume.

Matched market share represents total share volume of NASDAQ or NYSE-listed securities that are executed on the NASDAQ Market Center, INET or Brut books as a percentage of total consolidated NASDAQ or NYSE market volume.

Touched market share represents total share volume of NASDAQ or NYSE-listed securities that are executed on the NASDAQ Market Center, INET or Brut books plus volume of shares routed to other market centers for execution, as a percentage of consolidated NASDAQ or NYSE market volume.

For more information about these and other NASDAQ market performance statistics, visit www.nasdaqtrader.com/marketshare.

In other developments, on June 30, 2006, the Securities and Exchange Commission (SEC) also approved NASDAQ's phased approach to Exchange Operation. NASDAQ plans to become operational as an exchange in NASDAQ-listed issues on August 1, 2006, and in other exchange-listed issues on or after September 1, 2006. For more information regarding exchange registration, please visit www.nasdaqtrader.com/er.

Additionally, NASDAQ plans to begin the migration of the NASDAQ, Brut and INET systems into Single Book in NASDAQ-listed issues on a security-by-security phase-in in August of 2006. Single Book integration in NYSE-, Amex- and regional-listed securities will occur following the completion of the Single Book integration of NASDAQ-listed securities, on or after September 1, 2006. Single Book integration is subject to approval from the SEC. For more information regarding Single Book integration, please visit www.NASDAQTrader.com/integration.

NASDAQ is the largest U.S. electronic stock market. With approximately 3,200 companies, it lists more companies and, on average, trades more shares per day than any other U.S. market. It is home to companies that are leaders across all areas of business including technology, retail, communications, financial services, transportation, media and biotechnology. NASDAQ is the primary market for trading NASDAQ-listed stocks. For more information about NASDAQ, visit the NASDAQ website at http://www.nasdaq.com or the NASDAQ Newsroom at http://www.nasdaq.com/newsroom/.

(a) The NASDAQ, Brut and INET matched volume numbers for NYSE-listed securities are pulled from an internal NASDAQ data source.

CONTACT: The Nasdaq Stock Market, Inc. Wayne Lee (301) 978-4875 Silvia Davi (212) 646-5014

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