Exhibit 99.44 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-D KEY PERFORMANCE FACTORS April 30, 2001 Expected B Maturity 4/16/07 Blended Coupon 5.4781% Excess Protection Level 3 Month Average 7.48% April, 2001 7.32% March, 2001 7.89% February, 2001 7.23% Cash Yield19.61% Investor Charge Offs 4.98% Base Rate 7.32% Over 30 Day Delinquency 4.89% Seller's Interest 9.33% Total Payment Rate13.70% Total Principal Balance$58,171,313,434.78 Investor Participation Amount$850,000,000.00 Seller Participation Amount$5,425,622,873.29