Exhibit 99.29 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-I KEY PERFORMANCE FACTORS June 30, 1998 Expected B Maturity 8/16/04 Blended Coupon 6.4879% Excess Protection Level 3 Month Average 5.20% June, 1998 4.73% May, 1998 4.97% April, 1998 5.90% Cash Yield17.67% Investor Charge Offs 5.10% Base Rate 7.83% Over 35 Day Delinquency 5.06% Seller's Interest12.61% Total Payment Rate13.35% Total Principal Balance$35,974,950,178.51 Investor Participation Amount$750,000,000.00 Seller Participation Amount$4,536,555,660.02