Exhibit 99.16 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-B KEY PERFORMANCE FACTORS December 31, 2000 Expected B Maturity 3/15/12 Blended Coupon 6.9435% Excess Protection Level 3 Month Average 4.31% December, 2000 0.24% November, 2000 6.43% October, 2000 6.26% Cash Yield 19.79% Investor Charge Offs 10.15% Base Rate 9.41% 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 $1,000,000,000.00 Seller Participation Amount $5,990,287,874.98