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Instinet Announces U.S. Share Volume For December 2001

Date 09/01/2002

Instinet Group Incorporated (Nasdaq: INET) announced today that its U.S. equity volume in December 2001 totaled 4,734 million shares. This compared to 5,423 million shares in November 2001 and 6,790 million shares in December 2000.

U.S. equity volume in December comprised 3,812 million shares of Nasdaq-quoted stocks and 922 million shares of exchange-listed stocks.

There were 20 trading days in December, compared to 21 trading days in November 2001 and 20 trading days in December 2000.

Instinet's weekly, monthly and quarterly share volumes are available on its web site at www.instinet.com.

Instinet has experienced significant seasonality in its business, and period-to-period comparisons of operating results are not necessarily meaningful, nor are the results for any period necessarily indicative of results for any future period.

Total U.S. Equity Share Volume (million shares)
  # Trade Days Nasdaq-quoted* Exchange-listed Total
December 2001 20 3,812 922 4,734
November 2001 21 4,323 1,100 5,423
December 2000 20 5,931 859 6,790

* For a description of how we calculate our Nasdaq volumes, see "Management's Discussion and Analysis of Financial Condition and Results of Operations - Nasdaq Volume Calculations" in the Prospectus dated May 17, 2001.

About Instinet

Instinet, through affiliates, is the world's largest electronic agency securities broker and has been providing investors with electronic trading solutions for more than 30 years. Instinet operates an e-financial marketplace where buyers and sellers worldwide can trade securities directly and anonymously with each other, and have the opportunity to lower their overall trading costs. Through its electronic platforms, customers can access 40 securities markets throughout the world. With major offices in New York, London, Paris, Frankfurt, Tokyo, and Hong Kong, Instinet provides its customers with access to research generated by Instinet and by third parties, as well as various informational and decision-making tools. For more information, please go to www.instinet.com.