Exhibit 99.19 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-H KEY PERFORMANCE FACTORS MAY, 1997 Expected B Maturity 09/17/01 Blended Coupon 5.9459% Excess Protection Level 3 Month Average 4.79% May, 1997 4.44% April, 1997 4.07% March, 1997 5.88% Cash Yield 17.28% Investor Charge Offs 4.53% Base Rate 8.31% Over 35 Day Delinquency 4.38% Seller's Interest 15.43% Total Payment Rate 12.75% Total Principal Balance $ 27,132,480,390.99 Investor Participation Amount $ 1,200,000,000.00 Seller Participation Amount $ 4,186,442,872.50