Exhibit 99.29 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-J KEY PERFORMANCE FACTORS June 30, 2001 Expected B Maturity 9/15/03 Blended Coupon 5.2734% Excess Protection Level 3 Month Average 6.75% June, 2001 6.05% May, 2001 6.92% April, 2001 7.29% Cash Yield18.98% Investor Charge Offs 5.67% Base Rate 7.26% Over 30 Day Delinquency 4.78% Seller's Interest 8.00% Total Payment Rate14.15% Total Principal Balance$57,876,901,808.74 Investor Participation Amount$750,000,000.00 Seller Participation Amount$4,631,211,247.25