Interactive Brokers Group Announces Upcoming Presentation

Interactive Brokers Group, Inc. (NASDAQ: IBKR) will present at the Keefe, Bruyette and Woods 2007 Securities Brokerage & Market Structure conference. A webcast of the presentation will be accessible through the company's web site, www.interactivebrokers.com/ir.

When: Tuesday, November 6, 2007, 3:45-4:25 pm (ET)
Speaker: Thomas Peterffy, CEO and Chairman of the Board

About Interactive Brokers Group:

Interactive Brokers Group, Inc., together with its subsidiaries, 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 stocks, options, futures, forex and bonds from a single IB Universal AccountSM. Employing proprietary software on electronic exchanges worldwide, Interactive Brokers is continuously integrating its software with a growing number of exchanges and trading venues into one automatically functioning, computerized platform that requires minimal human intervention.

For Interactive Brokers Group, Inc. Media: Andrew Wilkinson, 203-913-1369 or Investors: 888-919-0022 (domestic) and 312-542-6890 (international).