Exhibit 99.10 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-A KEY PERFORMANCE FACTORS September 30, 1999 Expected B Maturity 3/17/03 Blended Coupon 5.6180% Excess Protection Level 3 Month Average 5.88% September, 1999 5.78% August, 1999 5.92% July, 1999 5.95% Cash Yield 18.00% Investor Charge Offs 4.60% Base Rate 7.62% Over 30 Day Delinquency 4.90% Seller's Interest 6.99% Total Payment Rate 14.16% Total Principal Balance $45,780,732,257.76 Investor Participation Amount $700,000,000.00 Seller Participation Amount $3,198,912,739.27