Exhibit 99.49 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-C KEY PERFORMANCE FACTORS May 31, 2000 Expected B Maturity 2/15/05 Blended Coupon 6.5473% Excess Protection Level 3 Month Average 3.69% May, 2000 3.69% April, 2000 N/A March, 2000 N/A Cash Yield18.63% Investor Charge Offs 4.35% Base Rate10.59% Over 30 Day Delinquency 4.70% Seller's Interest 9.50% Total Payment Rate14.38% Total Principal Balance$52,496,626,963.52 Investor Participation Amount$1,500,000,000.00 Seller Participation Amount$4,987,826,445.03