Exhibit 99.14 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-B KEY PERFORMANCE FACTORS March 31, 1997 Expected B Maturity 4/17/06 Blended Coupon 5.7402% Excess Protection Level 3 Month Average 4.94% March, 1997 5.78% February, 1997 5.32% January, 1997 3.72% Cash Yield 17.84% Investor Charge Offs 4.50% Base Rate 7.55% 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 $500,000,000.00 Seller Participation Amount $3,239,523,725.50