Exhibit 99.27 MBNA MASTER CREDIT CARD TRUST II SERIES 1998-G KEY PERFORMANCE FACTORS May 31, 2001 Expected B Maturity 9/15/06 Blended Coupon 4.3285% Excess Protection Level 3 Month Average 7.81% May, 2001 7.74% April, 2001 7.56% March, 2001 8.13% Cash Yield19.67% Investor Charge Offs 5.45% Base Rate 6.47% Over 30 Day Delinquency 4.84% Seller's Interest 8.52% Total Payment Rate14.20% Total Principal Balance$58,203,705,030.43 Investor Participation Amount$750,000,000.00 Seller Participation Amount$4,958,014,468.94