Regulatory Capital Requirements (Tables)

6 Months Ended

Jun. 30, 2025

Regulatory Capital Requirements

Schedule of regulatory capital ratios

					First Hawaiian				Minimum		Well-
	First Hawaiian, Inc.				Bank				Capital		Capitalized
(dollars in thousands)	Amount		Ratio		Amount		Ratio		Ratio(1)		Ratio(1)
June 30, 2025:
Common equity tier 1 capital to risk-weighted assets	$	2,105,036	13.03	%	$	2,094,664	12.96	%	4.50	%	6.50	%
Tier 1 capital to risk-weighted assets		2,105,036	13.03	%		2,094,664	12.96	%	6.00	%	8.00	%
Total capital to risk-weighted assets		2,306,208	14.28	%		2,295,836	14.21	%	8.00	%	10.00	%
Tier 1 capital to average assets (leverage ratio)		2,105,036	9.12	%		2,094,664	9.07	%	4.00	%	5.00	%
December 31, 2024:
Common equity tier 1 capital to risk-weighted assets	$	2,083,938	12.80	%	$	2,070,403	12.71	%	4.50	%	6.50	%
Tier 1 capital to risk-weighted assets		2,083,938	12.80	%		2,070,403	12.71	%	6.00	%	8.00	%
Total capital to risk-weighted assets		2,277,178	13.99	%		2,263,643	13.90	%	8.00	%	10.00	%
Tier 1 capital to average assets (leverage ratio)		2,083,938	9.14	%		2,070,403	9.08	%	4.00	%	5.00	%

(1) As defined by the regulations issued by the Board of Governors of the Federal Reserve System, the Office of the Comptroller of the Currency, and Federal Deposit Insurance Corporation (“FDIC”).