Paul Washington Form 3 Independent Bank / Paul Washington ownership change

LIMITED POWER OF ATTORNEY
      Know all by these presents, that the undersigned hereby constitutes and appoints Nicole
Metcalf as the Corporate Secretary of Independent Bank Group, Inc,(the "Company"), along
with any other individual, who is appointed to the position of Corporate Secretary of the
Company,  with full power of substitution, the undersigned's true and lawful attorneys-in-fact
and agents to:
1.    Prepare, execute in the undersigned's name and on the undersigned's behalf, and
submit to the U.S. Securities and Exchange Commission (the "SEC") a Form ID,
including amendments thereto, and any other documents necessary or appropriate
to obtain codes, passwords, and passphrases enabling the undersigned to make
electronic filings with the SEC of reports required by Section 13(d) and
Section 16(a) of the Securities Exchange Act of 1934 (the "Exchange Act") or
any rule or regulation of the SEC;
2.    Execute for and on behalf of the undersigned, in the undersigned's capacity as a
Director of the Company, Forms 3, 4, and 5 in accordance with and Section 16(a)
of the Securities Exchange Act of 1934 and the rules thereunder;
3.    Do and perform any and all acts for and on behalf of the undersigned which may
be necessary or desirable to complete and execute any such Form 3, 4, or 5,
complete and execute any amendment or amendments thereto, and timely file
such form with the SEC and any securities exchange or similar authority; and
4.    If and when applicable, execute for and on behalf of the undersigned Schedule
13D and/or Schedule 13G in accordance with Section 13(d) of the Securities
Exchange Act of 1934 and the rules thereunder;
5.    Do and perform any and all acts for and on behalf of the undersigned which may
be necessary or desirable to complete and execute any such Schedule 13D and/or
Schedule 13G, complete and execute any amendment or amendments thereto, and
timely file such form with the SEC and any securities exchange or similar
authority; and
6.    Take any other action of any type whatsoever in connection with the foregoing
which, in the opinion of such attorney-in-fact, may be of benefit to, in the best
interest of, or legally required by, the undersigned, it being understood that the
documents executed by such attorney-in-fact on behalf of the undersigned
pursuant to this Power of Attorney shall be in such form and shall contain such
terms and conditions as such attorney-in-fact may approve in such attorney-in-
fact's discretion.
      The undersigned hereby grants to such attorneys-in-fact and agents full power and
authority to do and perform any and every act and thing whatsoever requisite, necessary, or
proper to be done in the exercise of any of the rights and powers herein granted, as fully to all
intents and purposes as the undersigned might or could do if personally present, with full power
of substitution or revocation, hereby ratifying and confirming all that such attorneys-in-fact and
agents, or such attorneys-in-fact's and agent's substitute or substitutes, shall lawfully do or cause
to be done by virtue of this power of attorney and the rights and powers herein granted.
      This Limited Power of Attorney authorizes, but does not require, the foregoing attorneys-
in-fact and agents to act at his or her discretion on information provided to such attorneys-in-fact
without independent verification of such information.  The undersigned acknowledges that the
foregoing attorneys-in-fact and agents, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the undersigned's
responsibilities to comply with Section 13 and Section 16 of the Exchange Act, or any liability of
the undersigned for disgorgement of profits under Section 16(b) of the Exchange Act.
      This Limited Power of Attorney does not relieve the undersigned from responsibility for
compliance with the undersigned's obligations under Section 13(d) and Section 16(a) of the
Exchange Act, including, without limitation, the reporting requirements under Section 13(d) and
Section 16(a) of the Exchange Act.
      This Limited Power of Attorney shall remain in full force and effect until the undersigned
is no longer required to file Forms 3, 4, and 5 or Schedules 13D or 13G with respect to the
undersigned's holdings of and transactions in securities issued by the Company, unless earlier
revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.
      IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of the date set forth below.


Date:  March 28, 2021
/s/ Paul E. Washington
(Signature)


Paul E. Washington
Director
Independent Bank Group, Inc.

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