Exhibit 99.12 MBNA MASTER CREDIT CARD TRUST II SERIES 1995-J KEY PERFORMANCE FACTORS April 30, 1997 Expected B Maturity 12/16/02 Blended Coupon 5.9544% Excess Protection Level 3 Month Average 4.96% April, 1997 3.73% March, 1997 5.82% February, 1997 5.35% Cash Yield 16.23% Investor Charge Offs 4.55% Base Rate 7.95% 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 $500,000,000.00 Seller Participation Amount $5,443,222,666.19