Exhibit 99.4 MBNA MASTER CREDIT CARD TRUST II SERIES 1995-E KEY PERFORMANCE FACTORS March 31, 2001 Expected B Maturity 09/16/2002 Blended Coupon 5.4186% Excess Protection Level 3 Month Average 7.45% March, 2001 8.05% February, 2001 7.42% January, 2001 6.88% Cash Yield 20.67% Investor Charge Offs 4.83% Base Rate 7.78% Over 30 Day Delinquency 4.90% Seller's Interest 7.37% Total Payment Rate 14.60% Total Principal Balance $56,622,749,044.91 Investor Participation Amount $500,000,000.00 Seller Participation Amount $4,172,058,483.42