EXHIBIT 99.1

International Aluminum Corporation Announces Results For Third Quarter

MONTEREY PARK, Calif., May 11, 2004:  International Aluminum Corporation (NYSE: IAL) today announced results for the quarter and nine months ended March 31, 2004 as follows:

	Quarter Ended March 31
	2004		2003
Net sales	$	50,064,000	$	47,648,000
Income from continuing operations	$	855,000	$	1,129,000
Income (loss) from discontinued operations	—		(222,000		)
Net income	$	855,000	$	907,000
Basic and diluted EPS:
Continuing operations	$	.20	$	.27
Discontinued operations	—		(.06		)
Total	$	.20	$	.21

	Nine Months Ended March 31
	2004		2003
Net sales	$	153,718,000	$	142,576,000
Income from continuing operations	$	3,955,000	$	2,880,000
Income (loss) from discontinued operations	129,000		(612,000		)
Net income	$	4,084,000	$	2,268,000
Basic and diluted EPS:
Continuing operations	$	.93	$	.68
Discontinued operations	.03		(.15		)
Total	$	.96	$	.53

Contact:

David C. Treinen, President  (323) 264-1670

Mitchell K. Fogelman, Senior Vice President-Finance  (323) 264-1670