Exhibit 99.26 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-E KEY PERFORMANCE FACTORS September 30, 1997 Expected B Maturity 4/15/02 Blended Coupon 5.8650% Excess Protection Level 3 Month Average 4.66% September, 1997 4.81% August, 1997 4.62% July, 1997 4.55% Cash Yield 17.51% Investor Charge Offs 4.80% Base Rate 7.90% Over 35 Day Delinquency 4.84% Seller's Interest 12.31% Total Payment Rate 12.46% Total Principal Balance $30,549,822,447.26 Investor Participation Amount $750,000,000.00 Seller Participation Amount $3,759,687,928.77