Exhibit 99.12 MBNA MASTER CREDIT CARD TRUST II SERIES 1995-J KEY PERFORMANCE FACTORS May 31, 1997 Expected B Maturity 12/16/02 Blended Coupon 5.9534% Excess Protection Level 3 Month Average 4.65% May, 1997 4.40% April, 1997 3.73% March, 1997 5.82% Cash Yield 17.28% Investor Charge Offs 4.53% Base Rate 8.35% Over 35 Day Delinquency 4.38% Seller's Interest 15.43% Total Payment Rate 12.75% Total Principal Balance $27,132,480,390.99 Investor Participation Amount $500,000,000.00 Seller Participation Amount $4,186,442,872.50