Exhibit 99.26 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-D KEY PERFORMANCE FACTORS December 31, 2000 Expected B Maturity 7/15/03 Blended Coupon 5.9247% Excess Protection Level 3 Month Average 4.58% December, 2000 0.55% November, 2000 6.68% October, 2000 6.51% Cash Yield19.79% Investor Charge Offs10.15% Base Rate 9.10% 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$559,000,000.00 Seller Participation Amount$5,990,287,874.98