Exhibit 99.22 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-M KEY PERFORMANCE FACTORS JULY, 1998 Expected B Maturity 12/15/06 Blended Coupon 5.8785% Excess Protection Level 3 Month Average 4.93% July, 1998 5.24% June, 1998 4.68% May, 1998 4.89% Cash Yield 18.81% Investor Charge Offs 5.14% Base Rate 8.43% Over 35 Day Delinquency 4.90% Seller's Interest 15.22% Total Payment Rate 14.52% Total Principal Balance $ 37,740,921,726.81 Investor Participation Amount $ 500,000,000.00 Seller Participation Amount $ 5,743,527,208.32