Interactive Brokers Group, Inc. (NASDAQ GS: IBKR) was awarded top honors in Barron's 20 th annual ranking of Best Online Brokers, rated number one for the fourth year in a row. In the 2015 review, Barron's compared 18 online brokers, evaluating participants from the viewpoint of the wealthy, active trader across eight categories of service including Trading Technology, Usability, Mobile, Range of Offerings, Research Amenities, Portfolio Analysis & Reports, Customer Service, Education & Security, and Costs. IB ranked above all of the competition for a fourth consecutive year. According to Barron's, "we believe [Interactive Brokers] is an appropriate brokerage experience for intermediate to advanced investors and traders who want to stay engaged in the markets." Interactive Brokers was also rated Low Cost Broker by Barron's for the 11 th year in a row. "Low costs are a key component of trading, and Interactive's price-improvement statistics are impressive," notes Barron's. IB "boasts the lowest margin fees" among brokers included in this year's survey. In addition to taking the number one spot overall this year, IB received top marks in a number of sub-categories, including Best for Options Traders, Best for Frequent Traders and Best for International Traders by Barron's. Thomas Peterffy, chairman, founder and CEO of Interactive Brokers Group, is pleased with the results of this year's review. "We continue to focus on building robust trading technology," said Peterffy. "IB is committed to providing clients superior execution quality, breadth of product offering and access to global markets at the lowest possible cost." For more information about IB's award-winning trading platform, please visit interactivebrokers.com. 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 executes and processes trades in securities, futures and foreign exchange instruments 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.