Exhibit 99.18 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-H KEY PERFORMANCE FACTORS FEBRUARY, 1998 Expected B Maturity 09/17/01 Blended Coupon 5.7668% Excess Protection Level 3 Month Average 4.90% February, 1998 4.70% January, 1998 4.64% December, 1997 5.38% Cash Yield 16.74% Investor Charge Offs 4.83% Base Rate 7.21% Over 35 Day Delinquency 5.04% Seller's Interest 15.07% Total Payment Rate 12.54% Total Principal Balance $ 34,488,564,555.67 Investor Participation Amount $ 1,200,000,000.00 Seller Participation Amount $ 5,197,230,037.18