X0306 4 2017-02-03 0 0001564618 Independent Bank Group, Inc. IBTX 0001573350 Viola Vincent J 1600 REDBUD BOULEVARD SUITE 400 MCKINNEY TX 75069 0 0 1 0 Common Stock 2017-02-03 4 S 0 6223 63.21 D 4219474 D Common Stock 405000 I By VV-IB Holdings, LLC Reflects the weighted average sales price for the reported transactions. The shares were sold in multiple transactions at prices ranging from $63.00 to $63.70, inclusive. The Reporting Person will provide the SEC staff, the Issuer, or any security holder of the Issuer, upon request for same, with the full information regarding the number of shares sold at each separate price within the range specified. The Reporting Person disclaims beneficial ownership of the shares of stock directly owned by VV-IB Holdings, LLC except to the extent of his pecuniary interest therein. /s/ Jan Webb, as Attorney in Fact 2017-02-06