Exhibit 99.20 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-J KEY PERFORMANCE FACTORS December 31, 1996 Expected B Maturity 10/15/03 Blended Coupon 5.8006% Excess Protection Level 3 Month Average 4.76% December, 1996 5.50% November, 1996 5.48% October, 1996 3.30% Cash Yield 17.30% Investor Charge Offs 3.97% Base Rate 7.83% 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 $1,000,000,000.00 Seller Participation Amount $4,000,325,814.19