Exhibit 99.50 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-G KEY PERFORMANCE FACTORS September 30, 2000 Expected B Maturity 7/15/2005 Blended Coupon 6.9353% Excess Protection Level 3 Month Average 4.51% September, 2000 5.66% August, 2000 3.36% July, 2000 N/A Cash Yield19.32% Investor Charge Offs 4.49% Base Rate 9.17% 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$750,000,000.00 Seller Participation Amount$4,612,451,744.68