Exhibit 99.4 MBNA MASTER CREDIT CARD TRUST II SERIES 1994-D KEY PERFORMANCE FACTORS January 31, 1997 Expected B Maturity 11/17/97 Blended Coupon 5.53142% Excess Protection Level 3 Month Average 4.98% January, 1997 4.01% December, 1996 5.59% November, 1996 5.33% Cash Yield 17.09% Investor Charge Offs 4.81% Base Rate 8.27% 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 $ 1,000,000,000.00 Seller Participation Amount $ 3,245,155,116.27