Exhibit 99.14 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-E KEY PERFORMANCE FACTORS September 30, 1999 Expected B Maturity 06/16/03 Blended Coupon 5.5909% Excess Protection Level 3 Month Average 5.91% September, 1999 5.81% August, 1999 5.95% July, 1999 5.98% Cash Yield 18.00% Investor Charge Offs 4.60% Base Rate 7.59% Over 30 Day Delinquency 4.90% Seller's Interest 6.99% Total Payment Rate 14.16% Total Principal Balance $45,780,732,257.76 Investor Participation Amount $750,000,000.00 Seller Participation Amount $3,198,912,739.27