Exhibit 99.26 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-F KEY PERFORMANCE FACTORS June 30, 2001 Expected B Maturity 9/15/05 Blended Coupon 4.1880% Excess Protection Level 3 Month Average 7.14% June, 2001 7.00% May, 2001 6.85% April, 2001 7.57% Cash Yield18.98% Investor Charge Offs 5.67% Base Rate 6.31% 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$500,000,000.00 Seller Participation Amount$4,631,211,247.25