Exhibit 99.26 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-N KEY PERFORMANCE FACTORS July 31, 2000 Expected B Maturity 11/15/00 Blended Coupon 6.8252% Excess Protection Level 3 Month Average 5.53% July, 2000 6.09% June, 2000 4.97% May, 2000 5.55% Cash Yield 19.29% Investor Charge Offs 4.57% Base Rate 8.63% Over 30 Day Delinquency 4.81% Seller's Interest 11.87% Total Payment Rate 14.13% Total Principal Balance $55,010,319,976.67 Investor Participation Amount $900,000,000.00 Seller Participation Amount $6,529,119,458.18