Exhibit 99.19 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-M KEY PERFORMANCE FACTORS MARCH, 2000 Expected B Maturity 12/15/06 Blended Coupon 6.2806% Excess Protection Level 3 Month Average 5.68% March, 2000 5.85% February, 2000 5.99% January, 2000 5.20% Cash Yield 19.42% Investor Charge Offs 4.70% Base Rate 8.88% Over 30 Day Delinquency 4.65% Seller's Interest 8.73% Total Payment Rate 15.20% Total Principal Balance $ 49,480,326,758.32 Investor Participation Amount $ 500,000,000.00 Seller Participation Amount $ 4,321,526,239.83