POWER OF ATTORNEY

KNOW ALL BY THESE PRESENTS, THAT the undersigned hereby
constitutes and appoints each of JOEL RAPPOPORT, LISA KAMIBAYASHI
and APRIL LEE, signing singly, the undersigned's true and lawful
attorney-in-fact to:
prepare, execute in the undersigned's name and on the
undersigned's behalf, and submit to the United States Securities
and Exchange Commission (the "SEC") a Form ID, Uniform
Application for Access Codes to File on EDGAR and any other
documents necessary or appropriate to obtain codes and passwords
enabling the undersigned to make electronic filings with the SEC
of reports required by Section 16(a) of the Securities Exchange
Act of 1934, as amended (the "Exchange Act") or any rule or
regulation of the SEC;
execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director of First
Hawaiian, Inc. (the "Company"), Forms 3, 4 and 5 (including
amendments thereto) in accordance with Section 16(a) of the
Exchange Act and the rules and regulations thereunder, and any
other forms or reports the undersigned may be required to file in
connection with the undersigned's ownership, acquisition, or
disposition of securities of the Company;
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 Forms 3, 4, 5 or Form ID or other form or
report, and timely file such form or report with the SEC and any
stock exchange or similar authority; and
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 each such attorney-in-fact 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
attorney-in-fact'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.  The undersigned acknowledges
that the foregoing attorneys-in-fact, 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 16 of the Exchange Act.

The undersigned agrees that each such attorney-in-fact herein may
rely entirely on information furnished orally or in writing by
the undersigned to such attorney-in-fact.  The undersigned also
agrees to indemnify and hold harmless the Company and each such
attorney-in-fact against any losses, claims, damages or
liabilities (or actions in these respects) that arise out of or
are based upon any untrue statements or omission of necessary
facts in the information provided by the undersigned to such
attorney-in-fact for purposes of executing, acknowledging,
delivering or filing Forms 3, 4 or 5 (including amendments
thereto) or Form ID and agrees to reimburse the Company and such
attorney-in-fact for any legal or other expenses reasonably
incurred in connection with investigating or defending against
any such loss, claim, damage, liability or action.

This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4
and 5 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 this 11th day of May, 2018.

/s/ Robert S. Harrison
_________________
 Signature
 Robert S. Harrison
 Print Name


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