Exhibit 99.25 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-E KEY PERFORMANCE FACTORS November 30, 1997 Expected B Maturity 4/15/02 Blended Coupon 5.8679% Excess Protection Level 3 Month Average 5.04% November, 1997 4.96% October, 1997 5.34% September, 1997 4.81% Cash Yield 17.45% Investor Charge Offs 5.01% Base Rate 7.48% 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