Exhibit 99.4 MBNA MASTER CREDIT CARD TRUST II SERIES 1995-A KEY PERFORMANCE FACTORS July 31, 1998 Expected B Maturity 9/15/04 Blended Coupon 5.9744% Excess Protection Level 3 Month Average 4.79% July, 1998 5.04% June, 1998 4.59% May, 1998 4.76% Cash Yield 18.75% Investor Charge Offs 5.14% Base Rate 8.57% Over 35 Day Delinquency 4.90% Seller's Interest 15.22% Total Payment Rate 14.52% Total Principal Balance $37,740,921,726.81 Investor Participation Amount $575,000,000.00 Seller Participation Amount $5,743,527,208.32