Exhibit 99.14 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-B KEY PERFORMANCE FACTORS January 31, 1997 Expected B Maturity 4/17/06 Blended Coupon 5.7884% Excess Protection Level 3 Month Average 4.83% January, 1997 3.72% December, 1996 5.42% November, 1996 5.34% Cash Yield 17.09% Investor Charge Offs 4.81% Base Rate 8.56% Over 35 Day Delinquency 4.60% Seller's Interest 13.97% Total Payment Rate 12.21% Total Principal Balance $23,234,782,634.76 Investor Participation Amount $500,000,000.00 Seller Participation Amount $3,245,155,116.27