Exhibit 99.49 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-F KEY PERFORMANCE FACTORS September 30, 2000 Expected B Maturity 6/15/2005 Blended Coupon 6.8534% Excess Protection Level 3 Month Average 4.59% September, 2000 5.68% August, 2000 5.49% July, 2000 2.60% Cash Yield19.26% Investor Charge Offs 4.49% Base Rate 9.08% 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$882,400,000.00 Seller Participation Amount$4,612,451,744.68