Exhibit 99.4 MBNA MASTER CREDIT CARD TRUST II SERIES 1995-A KEY PERFORMANCE FACTORS May 31, 1998 Expected B Maturity 9/15/04 Blended Coupon 5.9744% Excess Protection Level 3 Month Average 5.39% May, 1998 4.76% April, 1998 5.73% March, 1998 5.68% Cash Yield 17.95% Investor Charge Offs 5.01% Base Rate 8.17% Over 35 Day Delinquency 5.17% Seller's Interest 13.80% Total Payment Rate 13.68% Total Principal Balance $35,599,996,121.04 Investor Participation Amount $575,000,000.00 Seller Participation Amount $4,911,601,602.55