Exhibit 99.4 MBNA MASTER CREDIT CARD TRUST II SERIES 1995-E KEY PERFORMANCE FACTORS May 31, 2001 Expected B Maturity 09/16/2002 Blended Coupon 4.3810% Excess Protection Level 3 Month Average 7.75% May, 2001 7.68% April, 2001 7.54% March, 2001 8.05% Cash Yield 19.67% Investor Charge Offs 5.45% Base Rate 6.53% Over 30 Day Delinquency 4.84% Seller's Interest 8.52% Total Payment Rate 14.20% Total Principal Balance $58,203,705,030.43 Investor Participation Amount $500,000,000.00 Seller Participation Amount $4,958,014,468.94