INDEPENDENT BANK GROUP, INC. and WELLS FARGO BANK, NATIONAL ASSOCIATION as Trustee SECOND SUPPLEMENTAL INDENTURE Dated as of December 19, 2017 to SUBORDINATED DEBT INDENTURE Dated as of June 25, 2014Independent Bank Group, Inc. • December 19th, 2017 • State commercial banks • Texas
Company FiledDecember 19th, 2017 Industry JurisdictionTHIS SECOND SUPPLEMENTAL INDENTURE (this “Second Supplemental Indenture”), dated as of December 19, 2017, between INDEPENDENT BANK GROUP, INC., a corporation duly organized and existing under the laws of the State of Texas (the “Company”), and WELLS FARGO BANK, NATIONAL ASSOCIATION, a national banking association duly organized and existing under the laws of the United States, as Trustee (the “Trustee”), under the Base Indenture (as hereinafter defined).