Exhibit 99.51 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-G KEY PERFORMANCE FACTORS August 31, 2000 Expected B Maturity 7/15/2005 Blended Coupon 6.9355% Excess Protection Level 3 Month Average 3.36% August, 2000 3.36% July, 2000 N/A June, 2000 N/A Cash Yield19.24% Investor Charge Offs 4.23% Base Rate11.64% Over 30 Day Delinquency 4.84% Seller's Interest10.94% Total Payment Rate14.32% Total Principal Balance$55,220,806,818.68 Investor Participation Amount$750,000,000.00 Seller Participation Amount$6,039,606,300.19 For purposes of calculating the Base Rate and Excess Protection Level, a Coupon of 9.64% (41/360) was used. The Base Rate was calculated using a 41 day monthly period, 7/20/00 to 8/31/00.