Exhibit 99.33 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-E KEY PERFORMANCE FACTORS September 30, 1999 Expected B Maturity 4/15/2008 Blended Coupon 5.5548% Excess Protection Level 3 Month Average 5.88% September, 1999 5.90% August, 1999 5.90% July, 1999 5.84% Cash Yield18.05% Investor Charge Offs 4.60% Base Rate 7.55% Over 30 Day Delinquency 4.90% Seller's Interest 6.99% Total Payment Rate14.16% Total Principal Balance$45,780,732,257.76 Investor Participation Amount$882,400,000.00 Seller Participation Amount$3,198,912,739.27