Exhibit 99.18 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-E KEY PERFORMANCE FACTORS December 31, 2000 Expected B Maturity 4/15/02 Blended Coupon 6.9159% Excess Protection Level 3 Month Average 4.32% December, 2000 0.39% November, 2000 6.41% October, 2000 6.17% Cash Yield 19.86% Investor Charge Offs 10.15% Base Rate 9.32% Over 30 Day Delinquency 4.72% Seller's Interest 10.47% Total Payment Rate 13.35% Total Principal Balance $57,190,978,436.47 Investor Participation Amount $750,000,000.00 Seller Participation Amount $5,990,287,874.98