04:29:31 PM EXHIBIT 99. 13 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-A KEY PERFORMANCE FACTORS APRIL, 1996 Expected B Maturity 03/17/03 Blended Coupon 5.7380% Excess Protection Level 3 Month Average 4.47% April, 1996 5.03% March, 1996 3.90% February, 1996 N/A Cash Yield 16.71% Investor Charge Offs 3.94% Base Rate 7.74% Over 35 Day Delinquency 4.01% Seller's Interest 21.75% Total Payment Rate 10.71% Total Principal Balance $14,617,538,112.27 Investor Participation Amount $700,000,000.00 Seller Participation Amount $3,179,663,112.27