Jpmorgan Chase Bank, National Association 8-K Other Events

Exhibit 99.01

First USA Credit Card Master Trust

Excess Spread Analysis - September 2006

Series Deal Size Expected Maturity		1997-4 $602MM 6/17/2007		1997-8 $939MM 9/17/2007		1998-6 $964MM 8/18/2008
Yield		15.87	%	15.87	%	15.87	%
Less:	Coupon	5.63	%	5.58	%	5.57	%
	Servicing Fee	1.50	%	1.50	%	1.50	%
	Net Credit Losses	4.17	%	4.17	%	4.17	%
Excess Spread:
	September-06	4.57	%	4.62	%	4.63	%
	August-06	5.10	%	5.15	%	5.16	%
	July-06	5.33	%	5.37	%	5.40	%
Three Month Average Excess Spread		5.00	%	5.05	%	5.06	%
Delinquency:
	30 to 59 Days	0.98	%	0.98	%	0.98	%
	60 to 89 Days	0.68	%	0.68	%	0.68	%
	90+ Days	1.53	%	1.53	%	1.53	%
	Total	3.19	%	3.19	%	3.19	%
Principal Payment Rate		17.98	%	17.98	%	17.98	%