Exhibit 99.01

First USA Credit Card Master Trust

Excess Spread Analysis—April 2003

Series		1996-2	1996-4	1996-6	1996-8	1997-1	1997-2
Deal Size		$723MM	$602MM	$1,039MM	$482MM	$904MM	$602MM
Expected Maturity		6/10/2003	8/10/2006	11/10/2003	1/10/2004	2/17/2004	5/17/2004
Yield		15.02%	15.02%	15.02%	15.02%	15.02%	15.02%
Less:	Coupon	1.58%	1.62%	1.54%	1.52%	1.51%	1.53%
	Servicing Fee	1.50%	1.50%	1.50%	1.50%	1.50%	1.50%
	Net Credit Losses	5.82%	5.82%	5.82%	5.82%	5.82%	5.82%
Excess Spread:
	April-03	6.12%	6.08%	6.16%	6.18%	6.19%	6.17%
	March-03	7.10%	7.05%	7.13%	7.15%	7.22%	7.20%
	February-03	6.50%	6.46%	6.54%	6.56%	6.58%	6.56%
Three Month Average Excess Spread		6.57%	6.53%	6.61%	6.63%	6.66%	6.64%
Delinquency:
	30 to 59 Days	1.30%	1.30%	1.30%	1.30%	1.30%	1.30%
	60 to 89 Days	0.94%	0.94%	0.94%	0.94%	0.94%	0.94%
	90+ Days	1.98%	1.98%	1.98%	1.98%	1.98%	1.98%
	Total	4.22%	4.22%	4.22%	4.22%	4.22%	4.22%
Payment Rate		14.00%	14.00%	14.00%	14.00%	14.00%	14.00%
Series		1997-4	1997-5	1997-7	1997-8	1997-9	1998-1
Deal Size		$602MM	$783MM	$602MM	$939MM	$602MM	$843MM
Expected Maturity		6/17/2007	8/17/2004	9/17/2004	9/17/2007	10/17/2004	5/18/2003
Yield		15.02%	15.02%	15.02%	15.02%	15.02%	15.02%
Less:	Coupon	1.62%	2.00%	1.51%	1.57%	1.48%	1.91%
	Servicing Fee	1.50%	1.50%	1.50%	1.50%	1.50%	1.50%
	Net Credit Losses	5.82%	5.82%	5.82%	5.82%	5.82%	5.82%
Excess Spread:
	April-03	6.08%	5.70%	6.19%	6.13%	6.22%	5.79%
	March-03	7.11%	6.73%	7.22%	7.16%	7.25%	6.81%
	February-03	6.47%	6.09%	6.58%	6.52%	6.61%	6.19%
Three Month Average Excess Spread		6.55%	6.17%	6.66%	6.60%	6.69%	6.26%
Delinquency:
	30 to 59 Days	1.30%	1.30%	1.30%	1.30%	1.30%	1.30%
	60 to 89 Days	0.94%	0.94%	0.94%	0.94%	0.94%	0.94%
	90+ Days	1.98%	1.98%	1.98%	1.98%	1.98%	1.98%
	Total	4.22%	4.22%	4.22%	4.22%	4.22%	4.22%
Payment Rate		14.00%	14.00%	14.00%	14.00%	14.00%	14.00%

First USA Credit Card Master Trust

Trust Performance by Series—April 2003

Series		1998-4	1998-5	1998-6	1998-8	1998-9	1999-1
Deal Size		$843MM	$783MM	$964MM	$602MM	$747MM	$1,205MM
Expected Maturity		7/18/2005	8/18/2003	8/18/2008	9/18/2005	1/20/2004	2/19/2004
Yield		15.02%	15.02%	15.02%	15.02%	15.02%	15.02%
Less:	Coupon	1.50%	1.48%	1.95%	1.57%	5.35%	1.97%
	Servicing Fee	1.50%	1.50%	1.50%	1.50%	1.50%	1.50%
	Net Credit Losses	5.82%	5.82%	5.82%	5.82%	5.82%	5.82%
Excess Spread:
	April-03	6.20%	6.22%	5.75%	6.13%	2.35%	5.73%
	March-03	7.22%	7.24%	6.77%	7.15%	3.34%	6.77%
	February-03	6.60%	6.62%	6.15%	6.53%	2.76%	6.13%
Three Month Average Excess Spread		6.67%	6.69%	6.22%	6.60%	2.82%	6.21%
Delinquency:
	30 to 59 Days	1.30%	1.30%	1.30%	1.30%	1.30%	1.30%
	60 to 89 Days	0.94%	0.94%	0.94%	0.94%	0.94%	0.94%
	90+ Days	1.98%	1.98%	1.98%	1.98%	1.98%	1.98%
	Total	4.22%	4.22%	4.22%	4.22%	4.22%	4.22%
Payment Rate		14.00%	14.00%	14.00%	14.00%	14.00%	14.00%
Series		1999-2	1999-3	2001-1	2001-2	2001-3	2001-4
Deal Size		$602MM	$833MM	$893MM	$1,488MM	$750MM	$714MM
Expected Maturity		2/21/2006	4/19/2004	1/19/2006	3/19/2004	3/20/2006	8/10/2006
Yield		15.02%	15.02%	15.02%	15.02%	15.02%	15.02%
Less:	Coupon	2.03%	1.97%	1.58%	1.52%	1.57%	1.55%
	Servicing Fee	1.50%	1.50%	1.50%	1.50%	1.50%	1.50%
	Net Credit Losses	5.82%	5.82%	5.82%	5.82%	5.82%	5.82%
Excess Spread:
	April-03	5.67%	5.73%	6.12%	6.18%	6.13%	6.15%
	March-03	6.71%	6.77%	7.16%	7.22%	7.16%	7.13%
	February-03	6.08%	6.14%	6.52%	6.58%	6.53%	6.53%
Three Month Average Excess Spread		6.15%	6.21%	6.60%	6.66%	6.61%	6.60%
Delinquency:
	30 to 59 Days	1.30%	1.30%	1.30%	1.30%	1.30%	1.30%
	60 to 89 Days	0.94%	0.94%	0.94%	0.94%	0.94%	0.94%
	90+ Days	1.98%	1.98%	1.98%	1.98%	1.98%	1.98%
	Total	4.22%	4.22%	4.22%	4.22%	4.22%	4.22%
Payment Rate		14.00%	14.00%	14.00%	14.00%	14.00%	14.00%