X0306 4 2020-04-28 0 0000036029 FIRST FINANCIAL BANKSHARES INC FFIN 0001251134 MATTHEWS KADE P. O. BOX 701 ABILENE TX 79604-0701 1 0 0 0 Common Stock 2020-04-28 4 A 0 2156 0.00 A 712898 D Common Stock 6360 I By Spouse Common Stock 560000 I By Trust This amount represents a restricted stock grant that vests in a single installment on April 27, 2021. Represents shares held by Mr. Matthews' spouse which had previously been inadvertently omitted from Mr. Matthews' prior filings ownership. 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 2020-04-30