10:10:17 AM EXHIBIT 99. 13 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-A KEY PERFORMANCE FACTORS MAY, 1996 Expected B Maturity 03/17/03 Blended Coupon 5.6676% Excess Protection Level 3 Month Average 4.58% May, 1996 4.80% April, 1996 5.03% March, 1996 3.90% Cash Yield 17.22% Investor Charge Offs 4.18% Base Rate 8.23% Over 35 Day Delinquency 3.94% Seller's Interest 19.77% Total Payment Rate 10.90% Total Principal Balance $16,437,071,773.79 Investor Participation Amount $700,000,000.00 Seller Participation Amount $3,249,196,773.79