EXHIBIT 28A First Chicago Credit Card Master Trust II Excess Spread Analysis - May 2001 - ------------------------------------------------------------------------------------------------------------------------------------ Series 95-M 95-O 96-Q 96-S 97-U 98-V Deal Size $500MM $500MM $900MM $700MM $400MM $1BIL Expected Maturity 10/15/02 12/16/02 2/15/02 12/16/02 10/15/02 10/15/01 - ------------------------------------------------------------------------------------------------------------------------------------ Yield 22.33% 22.33% 22.33% 22.33% 22.33% 22.33% Less: Coupon 4.39% 4.39% 4.28% 4.30% 4.28% 4.48% Servicing Fee 1.50% 1.50% 1.50% 1.50% 1.50% 1.50% Net Credit Losses 7.32% 7.32% 7.32% 7.32% 7.32% 7.32% Excess Spread: May-01 9.13% 9.13% 9.23% 9.22% 9.23% 9.04% April-01 8.46% 8.45% 8.56% 8.54% 8.56% 8.40% March-01 9.17% 9.17% 9.27% 9.26% 9.27% 9.09% Three Month Average Excess 8.92% 8.92% 9.02% 9.01% 9.02% 8.84% Spread Delinquency: 30 to 59 Days 1.29% 1.29% 1.29% 1.29% 1.29% 1.29% 60 to 89 Days 0.89% 0.89% 0.89% 0.89% 0.89% 0.89% 90+ Days 1.80% 1.80% 1.80% 1.80% 1.80% 1.80% Total 3.98% 3.98% 3.98% 3.98% 3.98% 3.98% Payment Rate 31.87% 31.87% 31.87% 31.87% 31.87% 31.87% - -------------------------------------------------------------------------------------- Series 99-W 99-X 99-Y Deal Size $750MM $750MM $550MM Expected Maturity 3/15/02 6/16/03 8/15/03 - -------------------------------------------------------------------------------------- Yield 22.33% 22.33% 22.33% Less: Coupon 4.35% 4.38% 4.38% Servicing Fee 1.50% 1.50% 1.50% Net Credit Losses 7.32% 7.32% 7.32% Excess Spread: May-01 9.17% 9.14% 9.14% April-01 8.50% 8.46% 8.46% March-01 9.22% 9.18% 9.18% Three Month Average Excess Spread 8.96% 8.93% 8.93% Delinquency: 30 to 59 Days 1.29% 1.29% 1.29% 60 to 89 Days 0.89% 0.89% 0.89% 90+ Days 1.80% 1.80% 1.80% Total 3.98% 3.98% 3.98% Payment Rate 31.87% 31.87% 31.87% - ------------------------------------------------------------------------------------------------------------------------------------