Exhibit 99.42 MBNA MASTER CREDIT CARD TRUST II SERIES 2000-C KEY PERFORMANCE FACTORS May 31, 2001 Expected B Maturity 2/15/05 Blended Coupon 4.3466% Excess Protection Level 3 Month Average 7.79% May, 2001 7.72% April, 2001 7.57% March, 2001 8.08% Cash Yield19.67% Investor Charge Offs 5.45% Base Rate 6.49% Over 30 Day Delinquency 4.84% Seller's Interest 8.52% Total Payment Rate14.20% Total Principal Balance$58,203,705,030.43 Investor Participation Amount$1,500,000,000.00 Seller Participation Amount$4,958,014,468.94