Exhibit 99.01

First USA Credit Card Master Trust

Excess Spread Analysis—August 2002

Series Deal Size Expected Maturity	1996-2 $723MM 6/10/2003		1996-4 $602MM 8/10/2006		1996-6 $1,039MM 11/10/2003		1996-8 $482MM 1/10/2004		1997-1 $904MM 2/17/2004		1997-2 $602MM 5/17/2004
Yield	16.18	%	16.18	%	16.18	%	16.18	%	16.18	%	16.18	%
Less:     Coupon	2.05	%	2.09	%	2.01	%	1.99	%	1.98	%	2.00	%
Servicing Fee	1.50	%	1.50	%	1.50	%	1.50	%	1.50	%	1.50	%
Net Credit Losses	5.40	%	5.40	%	5.40	%	5.40	%	5.40	%	5.40	%
Excess Spread:
August-02	7.23	%	7.19	%	7.27	%	7.29	%	7.30	%	7.28	%
July-02	6.67	%	6.62	%	6.71	%	6.73	%	6.75	%	6.73	%
June-02	7.30	%	7.26	%	7.34	%	7.36	%	7.38	%	7.36	%
Three Month Average Excess Spread	7.07	%	7.02	%	7.11	%	7.13	%	7.14	%	7.12	%
Delinquency:
30 to 59 Days	1.41	%	1.41	%	1.41	%	1.41	%	1.41	%	1.41	%
60 to 89 Days	0.91	%	0.91	%	0.91	%	0.91	%	0.91	%	0.91	%
90+ Days	1.74	%	1.74	%	1.74	%	1.74	%	1.74	%	1.74	%
Total	4.06	%	4.06	%	4.06	%	4.06	%	4.06	%	4.06	%
Payment Rate	13.90	%	13.90	%	13.90	%	13.90	%	13.90	%	13.90	%

Series Deal Size Expected Maturity	1997-4 $602MM 6/17/2007		1997-5 $783MM 8/17/2004		1997-7 $602MM 9/17/2004		1997-8 $939MM 9/17/2007		1997-9 $602MM 10/17/2004		1998-1 $843MM 5/18/2003
Yield	16.18	%	16.18	%	16.18	%	16.18	%	16.18	%	16.18	%
Less:     Coupon	2.09	%	2.43	%	1.98	%	2.04	%	1.95	%	2.32	%
Servicing Fee	1.50	%	1.50	%	1.50	%	1.50	%	1.50	%	1.50	%
Net Credit Losses	5.40	%	5.40	%	5.40	%	5.40	%	5.40	%	5.40	%
Excess Spread:
August-02	7.19	%	6.85	%	7.30	%	7.24	%	7.33	%	6.96	%
July-02	6.64	%	6.31	%	6.75	%	6.69	%	6.77	%	6.41	%
June-02	7.27	%	6.94	%	7.38	%	7.32	%	7.41	%	7.04	%
Three Month Average Excess Spread	7.03	%	6.70	%	7.14	%	7.08	%	7.17	%	6.80	%
Delinquency:
30 to 59 Days	1.41	%	1.41	%	1.41	%	1.41	%	1.41	%	1.41	%
60 to 89 Days	0.91	%	0.91	%	0.91	%	0.91	%	0.91	%	0.91	%
90+ Days	1.74	%	1.74	%	1.74	%	1.74	%	1.74	%	1.74	%
Total	4.06	%	4.06	%	4.06	%	4.06	%	4.06	%	4.06	%
Payment Rate	13.90	%	13.90	%	13.90	%	13.90	%	13.90	%	13.90	%

First USA Credit Card Master Trust

Excess Spread Analysis—August 2002

Series Deal Size Expected Maturity	1998-4 $843MM 7/18/2005		1998-5 $783MM 8/18/2003		1998-6 $964MM 8/18/2008		1998-8 $602MM 9/18/2005		1998-9 $747MM 1/20/2004		1999-1 $1,205MM 2/19/2004
Yield	16.18	%	16.18	%	16.18	%	16.18	%	16.18	%	16.18	%
Less:     Coupon	1.96	%	1.94	%	2.36	%	2.03	%	5.35	%	2.38	%
Servicing Fee	1.50	%	1.50	%	1.50	%	1.50	%	1.50	%	1.50	%
Net Credit Losses	5.40	%	5.40	%	5.40	%	5.40	%	5.40	%	5.40	%
Excess Spread:
August-02	7.32	%	7.34	%	6.92	%	7.25	%	3.93	%	6.90	%
July-02	6.77	%	6.79	%	6.37	%	6.70	%	3.43	%	6.35	%
June-02	7.40	%	7.42	%	7.00	%	7.33	%	4.06	%	6.98	%
Three Month Average Excess Spread	7.16	%	7.18	%	6.76	%	7.09	%	3.80	%	6.74	%
Delinquency:
30 to 59 Days	1.41	%	1.41	%	1.41	%	1.41	%	1.41	%	1.41	%
60 to 89 Days	0.91	%	0.91	%	0.91	%	0.91	%	0.91	%	0.91	%
90+ Days	1.74	%	1.74	%	1.74	%	1.74	%	1.74	%	1.74	%
Total	4.06	%	4.06	%	4.06	%	4.06	%	4.06	%	4.06	%
Payment Rate	13.90	%	13.90	%	13.90	%	13.90	%	13.90	%	13.90	%

Series Deal Size Expected Maturity	1999-2 $602MM 2/21/2006		1999-3 $833MM 4/19/2004		2001-1 $893MM 1/19/2006		2001-2 $1,488MM 3/19/2004		2001-3 $750MM 3/20/2006		2001-4 $714MM 8/10/2006
Yield	16.18	%	16.18	%	16.18	%	16.18	%	16.18	%	16.18	%
Less:     Coupon	2.44	%	2.38	%	2.04	%	1.98	%	2.03	%	2.02	%
Servicing Fee	1.50	%	1.50	%	1.50	%	1.50	%	1.50	%	1.50	%
Net Credit Losses	5.40	%	5.40	%	5.40	%	5.40	%	5.40	%	5.40	%
Excess Spread:
August-02	6.84	%	6.90	%	7.24	%	7.30	%	7.25	%	7.26	%
July-02	6.29	%	6.35	%	6.68	%	6.75	%	6.69	%	6.70	%
June-02	6.92	%	6.98	%	7.32	%	7.38	%	7.33	%	7.33	%
Three Month Average Excess Spread	6.68	%	6.74	%	7.08	%	7.14	%	7.09	%	7.10	%
Delinquency:
30 to 59 Days	1.41	%	1.41	%	1.41	%	1.41	%	1.41	%	1.41	%
60 to 89 Days	0.91	%	0.91	%	0.91	%	0.91	%	0.91	%	0.91	%
90+ Days	1.74	%	1.74	%	1.74	%	1.74	%	1.74	%	1.74	%
Total	4.06	%	4.06	%	4.06	%	4.06	%	4.06	%	4.06	%
Payment Rate	13.90	%	13.90	%	13.90	%	13.90	%	13.90	%	13.90	%