Exhibit 99.15 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-M KEY PERFORMANCE FACTORS JANUARY, 2001 Expected B Maturity 12/15/06 Blended Coupon 6.8857% Excess Protection Level 3 Month Average 4.27% January, 2001 6.15% December, 2000 0.33% November, 2000 6.34% Cash Yield 19.82% Investor Charge Offs 4.73% Base Rate 8.94% Over 30 Day Delinquency 4.88% Seller's Interest 11.58% Total Payment Rate 14.47% Total Principal Balance $ 57,905,967,832.59 Investor Participation Amount $ 500,000,000.00 Seller Participation Amount $ 6,705,277,271.10