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Instinet Group To Release 2005 Third Quarter Results On November 2, 2005

Date 16/09/2005

Instinet Group Incorporated (Nasdaq:INGP) will release its results for the third quarter of 2005, ending September 30 on Wednesday, November 2, 2005.

Instinet Group will hold a conference call that day at approximately 10:00 am New York time to review the results with the investment community. The call will be webcast live at www.investor.instinetgroup.com, and will be accessible by telephone at the following numbers:

Calling from the USA or Canada:          866-736-8116
Calling from other countries:            706-679-3737

Conference ID:                           9518423

The earnings release and other information relating to the conference call as well as a webcast replay after the call will be available at http://www.investor.instinetgroup.com.