Exhibit 99.48 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-D KEY PERFORMANCE FACTORS August 31, 2000 Expected B Maturity 4/16/2007 Blended Coupon 6.9546% Excess Protection Level 3 Month Average 4.83% August, 2000 5.43% July, 2000 5.90% June, 2000 3.15% Cash Yield19.12% Investor Charge Offs 4.51% Base Rate 9.17% Over 30 Day Delinquency 4.84% Seller's Interest10.94% Total Payment Rate14.32% Total Principal Balance$55,220,806,818.68 Investor Participation Amount$850,000,000.00 Seller Participation Amount$6,039,606,300.19