Exhibit 99.48 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-E KEY PERFORMANCE FACTORS September 30, 2000 Expected B Maturity 05/17/2010 Blended Coupon 7.9030% Excess Protection Level 3 Month Average 5.55% September, 2000 5.51% August, 2000 5.35% July, 2000 5.78% Cash Yield19.26% Investor Charge Offs 4.49% Base Rate 9.25% Over 30 Day Delinquency 4.99% Seller's Interest 8.50% Total Payment Rate13.85% Total Principal Balance$54,293,652,263.17 Investor Participation Amount$590,000,000.00 Seller Participation Amount$4,612,451,744.68