Exhibit 99.24 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-A KEY PERFORMANCE FACTORS December 31, 2000 Expected B Maturity 3/17/03 Blended Coupon 6.8643% Excess Protection Level 3 Month Average 4.40% December, 2000 0.38% November, 2000 6.51% October, 2000 6.30% Cash Yield19.79% Investor Charge Offs10.15% Base Rate 9.27% Over 30 Day Delinquency 4.72% Seller's Interest10.47% Total Payment Rate13.35% Total Principal Balance$57,190,978,436.47 Investor Participation Amount$750,000,000.00 Seller Participation Amount$5,990,287,874.98