Filed by: Independent Bank Group, Inc.

Pursuant to Rule 425 under the Securities Act of 1933

and deemed filed pursuant to Rule 14a-12

under the Securities Exchange Act of 1934

Subject Company: Texas Capital Bancshares, Inc. (Commission File No.: 001-34657)

Date: December 10, 2019

The following communications are being filed in connection with the merger between Texas Capital Bancshares, Inc. and Independent Bank Group, Inc.