Exhibit 99.26 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-E KEY PERFORMANCE FACTORS July 31, 1997 Expected B Maturity 4/15/02 Blended Coupon 5.8686% Excess Protection Level 3 Month Average 3.77% July, 1997 4.55% June, 1997 2.98% May, 1997 N/A Cash Yield 17.53% Investor Charge Offs 4.92% Base Rate 8.06% Over 35 Day Delinquency 4.47% Seller's Interest 18.18% Total Payment Rate 14.22% Total Principal Balance $30,179,392,749.44 Investor Participation Amount $750,000,000.00 Seller Participation Amount $5,486,155,230.95