Exhibit 99.19 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-J KEY PERFORMANCE FACTORS May 31, 1998 Expected B Maturity 10/15/03 Blended Coupon 5.8508% Excess Protection Level 3 Month Average 5.52% May, 1998 4.92% April, 1998 5.85% March, 1998 5.78% Cash Yield 17.95% Investor Charge Offs 5.01% Base Rate 8.01% Over 35 Day Delinquency 5.17% Seller's Interest 13.80% Total Payment Rate 13.68% Total Principal Balance $35,599,996,121.04 Investor Participation Amount $1,000,000,000.00 Seller Participation Amount $4,911,601,602.5