Exhibit 99.13 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-A KEY PERFORMANCE FACTORS August 31, 1997 Expected B Maturity 3/17/03 Blended Coupon 5.8881% Excess Protection Level 3 Month Average 4.63% August, 1997 4.54% July, 1997 4.50% June, 1997 4.84% Cash Yield 17.46% Investor Charge Offs 4.84% Base Rate 8.08% Over 35 Day Delinquency 4.66% Seller's Interest 14.91% Total Payment Rate 12.37% Total Principal Balance $30,603,901,306.35 Investor Participation Amount $700,000,000.00 Seller Participation Amount $4,563,766,787.86