Interactive Brokers Group, Inc. announced that it will appoint Mr. Milan Galik as Chief Executive Officer of the Company, succeeding Mr. Thomas Peterffy in this role. Mr. Peterffy will continue as Chairman of the Board and remain closely involved in the operations of the company that he founded. These changes will occur in the third quarter of 2019, concurrently with Mr. Peterffy's 75th birthday. Mr. Galik has been with the company for 28 years and has served as its President since 2014. Mr. Galik has been a member of the Company's Board of Directors since its initial public offering in 2007. It is expected that the Company’s Board will formalize these changes at its meeting on January 22, 2019.