Exhibit 99.15 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-M KEY PERFORMANCE FACTORS FEBRUARY, 2001 Expected B Maturity 12/15/06 Blended Coupon 5.5940% Excess Protection Level 3 Month Average 4.71% February, 2001 7.64% January, 2001 6.15% December, 2000 0.33% Cash Yield 19.48% Investor Charge Offs 4.62% Base Rate 7.22% Over 30 Day Delinquency 5.13% Seller's Interest 8.26% Total Payment Rate 13.44% Total Principal Balance $ 57,174,868,500.05 Investor Participation Amount $ 500,000,000.00 Seller Participation Amount $ 4,724,177,938.56