Exhibit 99.22 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-M KEY PERFORMANCE FACTORS FEBRUARY, 1998 Expected B Maturity 12/15/06 Blended Coupon 5.8152% Excess Protection Level 3 Month Average 4.86% February, 1998 4.66% January, 1998 4.59% December, 1997 5.33% Cash Yield 16.74% Investor Charge Offs 4.83% Base Rate 7.25% 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 $ 500,000,000.00 Seller Participation Amount $ 5,197,230,037.18