X0306 4 2017-03-06 0 0000036029 FIRST FINANCIAL BANKSHARES INC FFIN 0001251134 MATTHEWS KADE P. O. BOX 701 ABILENE TX 79604-0701 1 0 0 0 Common Stock 2017-03-06 4 S 0 8915 44.05 D 276638 I By Estate Common Stock 296113 D Common Stock 280000 I By Trust This indirect ownership represents shares owned by the estate of Mr. Matthews' mother in which Mr. Matthews is the co-executor. This indirect ownership represents shares owned by a foundation in which Mr. Matthews is President and Director. Mr. Matthews disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Matthews is the beneficial owner of such securities for purpose of Section 16 or any other purpose. By: J. Bruce Hildebrand Attorney in Fact for Kade Matthews 2017-03-07