Exhibit 99.49 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-K KEY PERFORMANCE FACTORS June 30, 2001 Expected B Maturity 10/17/2005 Blended Coupon 4.8831% Excess Protection Level 3 Month Average 7.10% June, 2001 6.29% May, 2001 7.17% April, 2001 7.84% Cash Yield19.01% Investor Charge Offs 5.67% Base Rate 7.05% Over 30 Day Delinquency 4.78% Seller's Interest 8.00% Total Payment Rate14.15% Total Principal Balance$57,876,901,808.74 Investor Participation Amount$750,000,000.00 Seller Participation Amount$4,631,211,247.25