Interactive Brokers Group, Inc. (NASDAQ GS:IBKR) announces that its Chairman and Chief Executive Officer Thomas Peterffy will speak at the Sandler O’Neill Global Exchange and Brokerage Conference on Wednesday, June 4 th at 8:30 a.m. EDT. 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, Inc.: Interactive Brokers Group, Inc., together with its subsidiaries, is an automated global electronic broker that specializes in catering to financial professionals by offering state-of-the-art trading technology, superior execution capabilities, worldwide electronic access, and sophisticated risk management tools at exceptionally low costs. The brokerage trading platform utilizes the same innovative technology as the Company’s market making business, which specializes in routing orders and executing and processes trades in securities, futures, foreign exchange instruments, bonds and funds on more than 100 electronic exchanges and trading venues around the world. As a market maker, we provide liquidity at these marketplaces and, as a broker, we provide 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 a global communications network, Interactive Brokers Group continuously integrates its software with a growing number of exchanges and trading venues into one automatically functioning, computerized platform that requires minimal human intervention.