Exhibit 99.40
MBNA MASTER CREDIT CARD TRUST II
SERIES 1999-L
KEY PERFORMANCE FACTORS
December 31, 2000
Expected B Maturity 10/16/06
Blended Coupon 7.0433%
Excess Protection Level
3 Month Average 4.21%
December, 2000 0.14%
November, 2000 6.33%
October, 2000 6.16%
Cash Yield19.79%
Investor Charge Offs10.15%
Base Rate 9.51%
Over 30 Day Delinquency 4.72%
Seller's Interest10.47%
Total Payment Rate13.35%
Total Principal Balance$57,190,978,436.47
Investor Participation Amount$750,000,000.00
Seller Participation Amount$5,990,287,874.98