Exhibit 99.4 MBNA MASTER CREDIT CARD TRUST II SERIES 1994-D KEY PERFORMANCE FACTORS December 31, 1996 Expected B Maturity 11/17/97 Blended Coupon 5.73620% Excess Protection Level 3 Month Average 5.36% December, 1996 5.59% November, 1996 5.33% October, 1996 5.16% Cash Yield 17.30% Investor Charge Offs 3.97% Base Rate 7.74% 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