Exhibit 99.18 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-H KEY PERFORMANCE FACTORS OCTOBER, 1998 Expected B Maturity 09/17/01 Blended Coupon 5.8092% Excess Protection Level 3 Month Average 5.51% October, 1998 5.83% September, 1998 4.37% August, 1998 6.33% Cash Yield 18.98% Investor Charge Offs 4.98% Base Rate 8.17% Over 35 Day Delinquency 5.16% Seller's Interest 8.67% Total Payment Rate 14.28% Total Principal Balance $ 39,561,435,127.71 Investor Participation Amount $ 1,200,000,000.00 Seller Participation Amount $ 3,431,640,609.22