Exhibit 99.18 MBNA MASTER CREDIT CARD TRUST II SERIES 1996-G KEY PERFORMANCE FACTORS May 31, 1997 Expected B Maturity 8/15/06 Blended Coupon 5.9193% Excess Protection Level 3 Month Average 4.69% May, 1997 4.47% April, 1997 3.76% March, 1997 5.82% Cash Yield 17.28% Investor Charge Offs 4.53% Base Rate 8.28% 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