11:05:37 AM EXHIBIT 99. 13 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-A KEY PERFORMANCE FACTORS SEPTEMBER, 1996 Expected B Maturity 03/17/03 Blended Coupon 5.7419% Excess Protection Level 3 Month Average 5.17% September, 1996 5.29% August, 1996 5.66% July, 1996 4.56% Cash Yield 17.10% Investor Charge Offs 4.26% Base Rate 7.55% Over 35 Day Delinquency 4.20% Seller's Interest 12.02% Total Payment Rate 12.77% Total Principal Balance $19,745,890,253.60 Investor Participation Amount $700,000,000.00 Seller Participation Amount $2,373,962,735.11