Exhibit 99.33 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-C KEY PERFORMANCE FACTORS September 30, 1998 Expected B Maturity 6/16/2003 Blended Coupon 5.7336% Excess Protection Level 3 Month Average 4.64% September, 1998 4.44% August, 1998 6.39% July, 1998 3.09% Cash Yield17.36% Investor Charge Offs 5.18% Base Rate 7.73% Over 35 Day Delinquency 5.04% Seller's Interest13.10% Total Payment Rate13.10% Total Principal Balance$39,849,511,082.92 Investor Participation Amount$750,000,000.00 Seller Participation Amount$5,219,716,564.43