Exhibit 99.22 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-M KEY PERFORMANCE FACTORS OCTOBER, 1998 Expected B Maturity 12/15/06 Blended Coupon 5.8567% Excess Protection Level 3 Month Average 5.47% October, 1998 5.78% September, 1998 4.33% August, 1998 6.28% Cash Yield 18.98% Investor Charge Offs 4.98% Base Rate 8.22% 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 $ 500,000,000.00 Seller Participation Amount $ 3,431,640,609.22