CONFIRMING STATEMENT
       This Confirming Statement confirms the undersigned, Donald
R. Brattain, has authorized and designated each of Randall G. Ray
and Stacy M. Grace, signing singly, to execute and file on the
undersigned's behalf all Forms 3, 4, and 5 (including any
amendments thereto) that the undersigned may be required to file
with the U.S. Securities and Exchange Commission as a result of
the undersigned's position as a director, and/or the undersigned's
ownership of or transactions in securities, of Tyler Technologies,
Inc.  The authority of Randall G. Ray and Stacy M. Grace under this
Confirming Statement shall continue until the undersigned is no
longer required to file Forms 3, 4, and 5 with regard to his
ownership of or transactions in securities of Tyler Technologies,
Inc., unless earlier revoked in writing. The undersigned
acknowledges that Randall G. Ray and Stacy M. Grace are not
assuming any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934.
July 27, 2020		/s/ Donald R. Brattain