Exhibit 99.51 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-H KEY PERFORMANCE FACTORS October 31, 2000 Expected B Maturity 8/16/2010 Blended Coupon 6.9675% Excess Protection Level 3 Month Average 4.58% October, 2000 6.14% September, 2000 3.03% August, 2000 N/A Cash Yield19.62% Investor Charge Offs 4.51% Base Rate 8.97% Over 30 Day Delinquency 5.23% Seller's Interest10.66% Total Payment Rate14.07% Total Principal Balance$56,359,968,018.99 Investor Participation Amount$700,000,000.00 Seller Participation Amount$6,009,277,457.50