Interactive Brokers Group, Inc. — Director's Dealing 2010

Jan 7, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Interactive Brokers Group, Inc. (IBKR)
CIK: 0001381197
Period of Report: 2009-12-31

Reporting Person: Nemser Earl H (Director, Vice Chairman)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-12-31	Class A Common Stock	A	14876	—	Acquired	43507	Direct

Footnotes

F1: This represents a grant of restricted stock which will vest 10% on 5/9/2010 and 15% on each of the first six anniversaries of
5/9/2010.