APPOINTMENT OF ATTORNEY-IN-FACT

        I hereby authorize the filing with the Securities and Exchange
Commission of any and all reports on Forms 3, 4 and 5 ("Reports"), or any
substitute form hereafter adopted by the Securities and Exchange Commission, as
may from time to time be required under Section 16(a) of the Securities
Exchange Act of 1934, as amended. I hereby appoint Messrs. James R. Abbott,
Paul Burdiss and Thomas E. Laursen, and each of them, as my attorneys-in-fact
with power to any of them to sign any and all Reports and any and all
amendments to Reports or documents required to complete the filing of Reports
or amendments thereto with the Securities and Exchange Commission on my behalf.

                         Dated the 30th of June, 2020.



                                                    /s/Claire Huang
                                                    -----------------------


STATE OF CALIFORNIA       )
                    )   ss.
COUNTY OF RIVERSIDE )


                                 ACKNOWLEDGMENT

     On this 1st day of July, 2020, personally  appeared  before me
Claire Huang, known to me to be the person whose name is subscribed
to the above instrument and who acknowledged that (s)he executed the
same for the purposes therein contained.

         IN WITNESS WHEREOF, I have hereunto set my hand and official seal.

                                                   /s/Carol M. Tufaro
                                                   -----------------------
                                                           NOTARY PUBLIC


My Commission Expires:

8/30/2023
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