BancWest Corporation and Subsidiaries
EXHIBITS AND REPORTS ON FORM 8-K (Continued)

Exhibit 12  Statement re: Computation of Ratios

BancWest Corporation and Subsidiaries
Computation of Consolidated Ratios of Earnings to Fixed Charges

	Three Months Ended June 30,				Six Months Ended June 30,
	2004		2003		2004		2003
	(Dollars in thousands)
Income before income taxes	$	188,158	$	173,250	$	372,875	$	339,973
Fixed charges (1):
Interest expense		97,607		98,047		193,733		200,292
Rental expense		4,098		5,219		8,167		10,451
		101,705		103,266		201,900		210,743
Less interest on deposits		43,589		47,723		87,025		100,870
Net fixed charges		58,116		55,543		114,875		109,873
Earnings, excluding interest on deposits	$	246,274	$	228,793	$	487,750	$	449,846
Earnings, including interest on deposits	$	289,863	$	276,516	$	574,775	$	550,716
Ratio of earnings to fixed charges:
Excluding interest on deposits		4.24x		4.12x		4.25x		4.09x
Including interest on deposits		2.85x		2.68x		2.85x		2.61x

(1) For purposes of computing the consolidated ratios of earnings to fixed charges, earnings represent income before income taxes plus fixed charges. Fixed charges, excluding interest on deposits, include interest (other than on deposits), whether expensed or capitalized, and that portion of rental expense (generally one third) deemed representative of the interest factor. Fixed charges, including interest on deposits, consists of the foregoing items plus interest on deposits.         .