Exhibit 99.19 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-L KEY PERFORMANCE FACTORS NOVEMBER, 1999 Expected B Maturity 12/15/99 Blended Coupon 6.1849% Excess Protection Level 3 Month Average 43.96% November, 1999 119.70% October, 1999 6.29% September, 1999 5.90% Cash Yield 174.55% Investor Charge Offs 46.55% Base Rate 8.30% Over 30 Day Delinquency 5.02% Seller's Interest 8.52% Total Payment Rate 14.09% Total Principal Balance $ 48,461,894,441.68 Investor Participation Amount $ 52,500,000.00 Seller Participation Amount $ 4,130,074,923.19