Exhibit 99.22 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-K KEY PERFORMANCE FACTORS June 30, 1998 Expected B Maturity 11/17/03 Blended Coupon 5.8380% Excess Protection Level 3 Month Average 5.16% June, 1998 4.69% May, 1998 4.93% April, 1998 5.86% Cash Yield 17.67% Investor Charge Offs 5.10% Base Rate 7.87% 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