Interactive Brokers Group to Present at Sandler O'Neill 2009 Global Exchange and Electronic Trading Conference

Interactive Brokers Group, Inc. (NASDAQ: IBKR) announces that Chairman and Chief Executive Officer Thomas Peterffy will present at the Sandler O’Neill 2009 Global Exchange and Electronic Trading Conference on Thursday, June 4, 2009 at 11:30 a.m. EST.

Mr. Peterffy's presentation can be heard live via webcast on the Internet accessible from the company's web site, www.interactivebrokers.com/ir. Participants should log in approximately 10 minutes prior to the start of the presentation. A replay will also be available on the company's website.

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, foreign exchange instruments, bonds and funds on more than 80 electronic exchanges and trading venues around the world. The company provides professional traders and investors with electronic access to stocks, options, futures, forex, bonds and mutual funds from a single IB Universal Account^SM. 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: Deborah Liston 203-618-4070.