Exhibit 99.20 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-H KEY PERFORMANCE FACTORS JUNE, 1998 Expected B Maturity 09/17/01 Blended Coupon 5.8315% Excess Protection Level 3 Month Average 5.22% June, 1998 4.73% May, 1998 4.94% April, 1998 5.97% Cash Yield 17.69% Investor Charge Offs 5.10% Base Rate 7.86% Over 35 Day Delinquency 5.06% Seller's Interest 12.61% Total Payment Rate 13.35% Total Principal Balance $ 35,974,950,178.51 Investor Participation Amount $ 1,200,000,000.00 Seller Participation Amount $ 4,536,555,660.02