Exhibit 99.6 MBNA MASTER CREDIT CARD TRUST II SERIES 1995-B KEY PERFORMANCE FACTORS April 30, 1997 Expected B Maturity 06/15/00 Blended Coupon 5.8836% Excess Protection Level 3 Month Average 5.03% April, 1997 3.80% March, 1997 5.88% February, 1997 5.41% Cash Yield 16.23% Investor Charge Offs 4.55% Base Rate 7.88% Over 35 Day Delinquency 4.27% Seller's Interest 20.02% Total Payment Rate 12.21% Total Principal Balance $27,182,850,184.68 Investor Participation Amount $750,000,000.00 Seller Participation Amount $5,443,222,666.19