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OpenFollowOn:

Interactive Brokers Group, Inc.


Interactive Brokers Group, Inc.
The Company is an automated global electronic market maker and broker specializing in routing orders and executing and processing trades in securities, futures and foreign exchange instruments.

  Interactive Brokers Group, Inc.


This offering has been withdrawn.

View Prospectus    (dated 04/24/08)

Offering Type OpenFollowOn
Exchange NASDAQ Global Select Market
Symbol   ibkr
Lead placement agents WR Hambrecht + Co, Fox-Pitt Kelton Cochran
Caronia Waller (USA) LLC
Co-placement agent Sandler O'Neill + Partners, L.P.
Share Type Class A Common Stock
Total Shares Offered Up to 50,000,000
Minimum Bid  $33.50
Expected Pricing Date   May 7, 2008



Please note: WR Hambrecht + Co urges you to read a company’s prospectus thoroughly before participating in any offering. To receive a prospectus for this company, call 1-800-673-6476, fax 1-610-725-1167, or write to: WR Hambrecht + Co, P.O. Box 677, Berwyn, PA  19312-0677.

A patent is pending on the OpenFollowOn ® auction system.
OpenFollowOn is a registered service mark of WR Hambrecht + Co.

WR Hambrecht + Co is marketing the OpenFollowOn auction system to selected issuers and investors.