Exhibit 99.27 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-I KEY PERFORMANCE FACTORS November 30, 1998 Expected B Maturity 8/16/04 Blended Coupon 6.4311% Excess Protection Level 3 Month Average 5.41% November, 1998 5.74% October, 1998 6.06% September, 1998 4.43% Cash Yield17.96% Investor Charge Offs 4.96% Base Rate 7.27% Over 35 Day Delinquency 5.37% Seller's Interest 9.39% Total Payment Rate13.51% Total Principal Balance$40,339,382,471.40 Investor Participation Amount$750,000,000.00 Seller Participation Amount$3,787,462,952.91