Exhibit 99.22 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-M KEY PERFORMANCE FACTORS AUGUST, 1998 Expected B Maturity 12/15/06 Blended Coupon 5.8759% Excess Protection Level 3 Month Average 5.40% August, 1998 6.28% July, 1998 5.24% June, 1998 4.68% Cash Yield 19.08% Investor Charge Offs 5.09% Base Rate 7.71% Over 35 Day Delinquency 5.00% Seller's Interest 11.64% Total Payment Rate 14.21% Total Principal Balance $ 37,775,682,964.86 Investor Participation Amount $ 500,000,000.00 Seller Participation Amount $ 4,395,888,446.37