Exhibit 99.33 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-C KEY PERFORMANCE FACTORS July 31, 1998 Expected B Maturity 6/16/2003 Blended Coupon 5.7936% Excess Protection Level 3 Month Average 3.09% July, 1998 3.09% June, 1998 N/A May, 1998 N/A Cash Yield18.11% Investor Charge Offs 4.59% Base Rate10.44% Over 35 Day Delinquency 4.90% Seller's Interest15.22% Total Payment Rate14.52% Total Principal Balance$37,740,921,726.81 Investor Participation Amount$750,000,000.00 Seller Participation Amount$5,743,527,208.32