Press Release

PRESS RELEASE

Interactive Brokers Group Issues Form 8-K/A Disclosing Revised Operating Results for 3Q2024

GREENWICH, CT, October 22, 2024 - Interactive Brokers Group, Inc. (Nasdaq: IBKR) (the "Company"), an automated global electronic broker, yesterday filed a Form 8-K/A disclosing revised operating results for the quarter ended September 30, 2024.

On October 15, 2024, Interactive Brokers Group, Inc. (the "Company") issued a press release reporting its financial results for the quarter ended September 30, 2024. Subsequently, Interactive Brokers LLC reached agreements in principle to settle certain disputes which relate back to events that took place prior to the end of the quarter. The settlement will add $78 million to reported general and administrative expenses for the quarter ended September 30, 2024. For more information, go to: https://www.sec.gov/Archives/edgar/data/0001381197/000138119724000140/ibkr_8ka-20240930.htm

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 150 markets in numerous countries and currencies, from a single unified platform to clients worldwide. We serve 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 clients with a uniquely sophisticated platform to manage their investment portfolios. We strive to provide our clients 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. Interactive Brokers has consistently earned recognition as a top broker, garnering multiple awards and accolades from respected industry sources such as Barron's, Investopedia, Stockbrokers.com, and many others.

Contacts for Interactive Brokers Group, Inc. Media: Katherine Ewert, media@ibkr.com

Pursuant to Part 7.8A of the Corporations Act 2001, Interactive Brokers Australia Pty. Ltd. has prepared the following target market determinations relating to certain financial products for which it is deemed to be the issuer. Our Target Market Determinations are located here: Target Market Determinations.

Product Disclosure Statements are also available for each of these products. If applicable, you should carefully consider these Disclosures in deciding whether to acquire, or to continue to hold, the relevant financial product.