Exhibit 99.30 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-E KEY PERFORMANCE FACTORS July 31, 2000 Expected B Maturity 4/15/08 Blended Coupon 6.8717% Excess Protection Level 3 Month Average 5.80% July, 2000 5.99% June, 2000 5.40% May, 2000 6.01% Cash Yield19.22% Investor Charge Offs 4.57% Base Rate 8.66% Over 30 Day Delinquency 4.81% Seller's Interest11.87% Total Payment Rate14.13% Total Principal Balance$55,010,319,976.67 Investor Participation Amount$882,400,000.00 Seller Participation Amount$6,529,119,458.18