Exhibit 99.29 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-D KEY PERFORMANCE FACTORS August 31, 2000 Expected B Maturity 7/15/03 Blended Coupon 5.9179% Excess Protection Level 3 Month Average 5.73% August, 2000 5.79% July, 2000 6.25% June, 2000 5.15% Cash Yield19.12% Investor Charge Offs 4.51% Base Rate 8.81% 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$559,000,000.00 Seller Participation Amount$6,039,606,300.19