Exhibit 99.7 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-B KEY PERFORMANCE FACTORS April 30, 2001 Expected B Maturity 4/17/06 Blended Coupon 5.3277% Excess Protection Level 3 Month Average 7.62% April, 2001 7.49% March, 2001 8.00% February, 2001 7.38% Cash Yield 19.61% Investor Charge Offs 4.98% Base Rate 7.15% Over 30 Day Delinquency 4.89% Seller's Interest 9.33% Total Payment Rate 13.70% Total Principal Balance $58,171,313,434.78 Investor Participation Amount $500,000,000.00 Seller Participation Amount $5,425,622,873.29