Exhibit 99.4 MBNA MASTER CREDIT CARD TRUST II SERIES 1995-A KEY PERFORMANCE FACTORS December 31, 1997 Expected B Maturity 9/15/04 Blended Coupon 6.2979% Excess Protection Level 3 Month Average 5.04% December, 1997 5.10% November, 1997 4.81% October, 1997 5.22% Cash Yield 18.25% Investor Charge Offs 4.64% Base Rate 8.51% Over 35 Day Delinquency 4.81% Seller's Interest 16.15% Total Payment Rate 13.29% Total Principal Balance $34,934,847,924.76 Investor Participation Amount $575,000,000.00 Seller Participation Amount $5,643,513,406.27