Interactive Brokers Group, Inc. Files Registration Statement for Proposed Initial Public Offering

Interactive Brokers Group, Inc. Files Registration Statement for Proposed Initial Public Offering

November 28, 2006

    GREENWICH, Conn., Nov. 28 /Xinhua-PRNewswire/ --
Interactive Brokers Group, Inc. (proposed NASDAQ Global
Select Market Symbol: IBKR) today announced that it has
filed a registration statement on Form S-1 with the U.S.
Securities and Exchange Commission relating to the proposed
initial public offering of shares of its Class A common
stock.  All net proceeds from the sale of shares in the
offering will be received by the current members of IBG
LLC, the current holding company for its electronic market
making and brokerage business.

    WR Hambrecht + Co and E*TRADE FINANCIAL are acting as
the placement agents for the offering which will be made
through WR Hambrecht + Co's OpenIPO(R) auction-based
process on a best efforts basis.  The number of shares to
be offered and the price range for the offering have not
yet been determined.  The public offering will be made only
by means of a prospectus which, when available, may be
obtained by going to WR Hambrecht's Web site,
http://www.wrhambrecht.com , by calling 800-673-6476, or by
writing to WR Hambrecht + Co, P.O. Box 677, Berwyn, PA
19312.

    About Interactive Brokers Group, Inc.:

    Interactive Brokers Group, Inc., together with its
subsidiaries (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 as a
member of more than 60 electronic exchanges and trading
venues around the world.  The Company provides professional
traders and investors with direct access to options,
futures, stocks, forex and bonds from a single IB Universal
Account(SM).  Interactive Brokers Group, Inc. is a newly
formed Delaware corporation which has been formed to hold
shares in and become the managing member of IBG LLC, the
current holding company for its business.

    A registration statement relating to these securities
has been filed with the U.S. Securities and Exchange
Commission but has not yet become effective. These
securities may not be sold nor may offers to buy be
accepted prior to the time the registration statement
becomes effective.  This press release shall not constitute
an offer to sell or a solicitation of an offer to buy, nor
will there be any sale of these securities in any state or
jurisdiction in which such an offer, solicitation or sale
would be unlawful prior to registration or qualification
under the securities laws of any such state or
jurisdiction. 

    For more information, please contact:

     Earl Nemser, Vice Chairman, 
     Interactive Brokers Group, Inc.
     Tel:   [phone]

SOURCE  Interactive Brokers Group, Inc.