#1 Represents shares of the Issuer's common stock withheld to satisfy withholding obligations in connection with the vesting of restricted stock units, previously reported on Form 3 filed on October 4, 2023, on February 22, 2024.

#2 Represents shares of the Issuer's common stock withheld to satisfy withholding obligations in connection with the vesting of restricted stock units, previously reported on Form 3 filed on October 4, 2023, on February 23, 2024.

#1 Represents shares of the Issuer's common stock withheld to satisfy withholding obligations in connection with the delivery of the Issuer's common stock underlying the restricted stock units, previously reported on Form 3 filed on October 4, 2023 that vested on February 12, 2024.

#1 Represents restricted stock units that will vest in three equal annual installments beginning on February 28, 2025 and settle in shares of Common Stock on a one-for-one basis, subject to continued employment through the applicable vesting date.

#1 Represents shares of common stock of First Hawaiian, Inc. ("Common Stock") underlying performance share units granted in 2021 and earned based on the satisfaction of performance-based vesting requirements over a three-year performance period ending on December 31, 2023 and continued employment through the determination date. The Compensation Committee of the Board of Directors of First Hawaiian, Inc. determined and approved the amount of Common Stock earned in respect of such performance share units on February 23, 2024 and such performance share units will be settled in shares of Common Stock no later than March 24, 2024.

#2 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.