Exhibit 99.19 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-J KEY PERFORMANCE FACTORS May 31, 1999 Expected B Maturity 10/15/03 Blended Coupon 5.0981% Excess Protection Level 3 Month Average 6.50% May, 1999 7.61% April, 1999 5.16% March, 1999 6.73% Cash Yield 19.45% Investor Charge Offs 4.88% Base Rate 6.96% Over 30 Day Delinquency 4.89% Seller's Interest 6.97% Total Payment Rate 14.69% Total Principal Balance $41,914,776,221.36 Investor Participation Amount $1,000,000,000.00 Seller Participation Amount $2,922,256,702.8