Exhibit 99.15 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-J KEY PERFORMANCE FACTORS August 31, 2000 Expected B Maturity 10/15/03 Blended Coupon 6.8145% Excess Protection Level 3 Month Average 5.50% August, 2000 5.56% July, 2000 6.02% June, 2000 4.92% Cash Yield 19.12% Investor Charge Offs 4.51% Base Rate 9.04% Over 30 Day Delinquency 4.84% Seller's Interest 10.94% Total Payment Rate 14.32% Total Principal Balance $55,220,806,818.68 Investor Participation Amount $1,000,000,000.00 Seller Participation Amount $6,039,606,300.1