Exhibit 99.17 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-D KEY PERFORMANCE FACTORS June 30, 1998 Expected B Maturity 05/15/01 Blended Coupon 5.8393% Excess Protection Level 3 Month Average 5.16% June, 1998 4.72% May, 1998 4.90% April, 1998 5.86% Cash Yield 17.67% Investor Charge Offs 5.10% Base Rate 7.84% 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 $1,000,000,000.00 Seller Participation Amount $4,536,555,660.02