X0306 4 2020-02-26 0 0000036377 FIRST HAWAIIAN, INC. FHB 0001680503 Arizumi Alan C/O FIRST HAWAIIAN, INC. 999 BISHOP STREET, 8TH FLOOR HONOLULU HI 96813 0 1 0 0 Vice Chairman Common Stock 2020-02-26 4 A 0 6304 0 A 29133 D Common Stock 2020-02-26 4 F 0 2119 25.96 D 27014 D Common Stock 2020-02-26 4 A 0 5296 0 A 32310 D Common Stock 2020-02-26 4 A 0 955 0 A 2507 I By Spouse Common Stock 2020-02-26 4 F 0 357 25.96 D 2150 I By Spouse Common Stock 2020-02-26 4 A 0 644 0 A 2794 I By Spouse Represents shares of common stock of First Hawaiian, Inc. ("Common Stock") underlying performance share units granted in 2017 and earned based on the satisfaction of performance-based vesting requirements over a three-year performance period ending on December 31, 2019 and continued employment through the vesting date. The performance share units vested on February 26, 2020 and will be settled in shares of Common Stock in March 2020. Represents shares of Common Stock withheld to satisfy withholding obligations in connection with the delivery of the Common Stock underlying the performance share units described in footnote 1 above. Represents restricted shares that vest in three equal annual installments beginning on February 26, 2021, subject to continued employment through the applicable vesting date. /s/ Lisa Kamibayashi as Attorney-in-Fact for Alan Arizumi 2020-02-28