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Instinet Announces U.S. Share Volume For October 2001

Date 07/11/2001

Instinet Group Incorporated (Nasdaq: INET) announced today that its U.S. equity volume in October 2001 totaled 7,072 million shares. This compared to 4,713 million shares in September 2001 and 7,383 million shares in October 2000.

U.S. equity volume in October comprised 5,881 million shares of Nasdaq-quoted stocks and 1,191 million shares of exchange-listed stocks.

There were 23 trading days in October, compared to 15 trading days in September 2001 and 22 trading days in October 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.