Exhibit 99.27 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-I KEY PERFORMANCE FACTORS November 30, 1997 Expected B Maturity 8/16/04 Blended Coupon 6.4932% Excess Protection Level 3 Month Average 4.37% November, 1997 4.97% October, 1997 5.44% September, 1997 2.71% Cash Yield 17.42% Investor Charge Offs 5.01% Base Rate 7.44% Over 35 Day Delinquency 4.98% Seller's Interest 11.93% Total Payment Rate 12.41% Total Principal Balance $31,670,462,473.51 Investor Participation Amount $750,000,000.00 Seller Participation Amount $3,779,127,955.02