Interactive Brokers Group to Host Fourth Quarter Earnings Conference Call

Interactive Brokers Group, Inc. (IEX: IBKR) plans to announce its fourth
quarter financial results on Tuesday, January 22, 2019, in a release
that will be issued at approximately 4:00 pm (ET). The press release
will also be available on the company's website, www.interactivebrokers.com/ir.

A conference call to discuss the company's results will be held at 4:30
pm (ET) on that day, January 22.

Members of the public who would like to listen to the conference call
should dial 877-324-1965 (U.S. domestic) or 631-291-4512
(international). The number should be dialed approximately ten minutes
prior to the start of the conference call. The conference call will also
be accessible as an audio webcast through the Investor Relations section
of the Interactive Brokers website, www.interactivebrokers.com/ir.

About Interactive Brokers Group, Inc.:

Interactive Brokers Group affiliates provide automated trade execution
and custody of securities, commodities and foreign exchange around the
clock on over 120 markets in numerous countries and currencies, from a
single IB Universal Account^® to customers worldwide. We
service individual investors, hedge funds, proprietary trading groups,
financial advisors and introducing brokers. Our four decades of focus on
technology and automation has enabled us to equip our customers with a
uniquely sophisticated platform to manage their investment portfolios at
the lowest cost according to Barron's Best Online Brokers review, March
26, 2018. We strive to provide our customers with advantageous execution
prices and trading, risk and portfolio management tools, research
facilities and investment products, all at low or no cost, positioning
them to achieve superior returns on investments.

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