Exhibit 99.23 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-M KEY PERFORMANCE FACTORS November 30, 2000 Expected B Maturity 10/15/02 Blended Coupon 6.9360% Excess Protection Level 3 Month Average 6.10% November, 2000 6.38% October, 2000 6.14% September, 2000 5.76% Cash Yield 19.77% Investor Charge Offs 4.46% Base Rate 8.94% Over 30 Day Delinquency 5.24% Seller's Interest 11.84% Total Payment Rate 13.77% Total Principal Balance $56,372,819,075.31 Investor Participation Amount $750,000,000.00 Seller Participation Amount $6,672,128,513.82