Exhibit 99.19 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-M KEY PERFORMANCE FACTORS MAY, 2000 Expected B Maturity 12/15/06 Blended Coupon 6.8950% Excess Protection Level 3 Month Average 5.62% May, 2000 5.47% April, 2000 5.56% March, 2000 5.85% Cash Yield 19.29% Investor Charge Offs 4.66% Base Rate 9.16% Over 30 Day Delinquency 4.70% Seller's Interest 9.50% Total Payment Rate 14.38% Total Principal Balance $ 52,496,626,963.52 Investor Participation Amount $ 500,000,000.00 Seller Participation Amount $ 4,987,826,445.03