Exhibit 99.15 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-M KEY PERFORMANCE FACTORS DECEMBER, 2000 Expected B Maturity 12/15/06 Blended Coupon 6.9476% Excess Protection Level 3 Month Average 4.32% December, 2000 0.33% November, 2000 6.34% October, 2000 6.28% Cash Yield 19.83% Investor Charge Offs 10.15% Base Rate 9.35% Over 30 Day Delinquency 4.72% Seller's Interest 10.47% Total Payment Rate 13.35% Total Principal Balance $ 57,190,978,436.47 Investor Participation Amount $ 500,000,000.00 Seller Participation Amount $ 5,990,287,874.98