Amended Schedule of Executive Officers who have executed a Change in Control Agreement

This Schedule of Executive Officers Who Have Executed an amended and restated Change in Control Agreement relates to the form of amended Change in Control Agreement filed by Independent Bank Group, Inc. as Exhibit 10.1(a) to its Quarterly Report on Form 10‑Q for the quarter ended June 30, 2023, as filed with the Securities and Exchange Commission on July 25, 2023 (the “Form Agreement”). This Schedule is included pursuant to Instruction 2 of Item 601(a) of Regulation S-K for the purpose of setting forth the details in which the specific agreements executed in the form of the Form Agreement differ from the Form Agreement, and, in particular to set forth the persons who, with Independent Bank Group, Inc., were parties to the Change in Control Agreements in such form as of July 24, 2023.