Exhibit 99.22 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-A KEY PERFORMANCE FACTORS June 30, 2001 Expected B Maturity 3/17/03 Blended Coupon 4.1350% Excess Protection Level 3 Month Average 7.48% June, 2001 7.06% May, 2001 7.79% April, 2001 7.61% Cash Yield18.98% Investor Charge Offs 5.67% Base Rate 6.25% Over 30 Day Delinquency 4.78% Seller's Interest 8.00% Total Payment Rate14.15% Total Principal Balance$57,876,901,808.74 Investor Participation Amount$750,000,000.00 Seller Participation Amount$4,631,211,247.25