Exhibit 99.33 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-F KEY PERFORMANCE FACTORS May 31, 2000 Expected B Maturity 9/15/05 Blended Coupon 6.2785% Excess Protection Level 3 Month Average 5.86% May, 2000 6.23% April, 2000 5.52% March, 2000 5.84% Cash Yield19.36% Investor Charge Offs 4.66% Base Rate 8.47% Over 30 Day Delinquency 4.70% Seller's Interest 9.50% Total Payment Rate14.38% Total Principal Balance$52,496,626,963.52 Investor Participation Amount$500,000,000.00 Seller Participation Amount$4,987,826,445.03