Exhibit 99.13 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-A KEY PERFORMANCE FACTORS December 31, 1996 Expected B Maturity 3/17/03 Blended Coupon 5.8434% Excess Protection Level 3 Month Average 5.36% December, 1996 5.49% November, 1996 5.41% October, 1996 5.20% Cash Yield 17.30% Investor Charge Offs 3.97% Base Rate 7.84% Over 35 Day Delinquency 4.52% Seller's Interest 17.12% Total Payment Rate 11.85% Total Principal Balance $23,372,253,332.68 Investor Participation Amount $700,000,000.00 Seller Participation Amount $4,000,325,814.19