Exhibit 99.20 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-J KEY PERFORMANCE FACTORS March 31, 1997 Expected B Maturity 10/15/03 Blended Coupon 5.6333% Excess Protection Level 3 Month Average 5.04% March, 1997 5.85% February, 1997 5.40% January, 1997 3.89% Cash Yield 17.84% Investor Charge Offs 4.50% Base Rate 7.48% Over 35 Day Delinquency 4.55% Seller's Interest 12.97% Total Payment Rate 12.55% Total Principal Balance $24,979,151,243.99 Investor Participation Amount $1,000,000,000.00 Seller Participation Amount $3,239,523,725.50