Exhibit 99.41

MBNA MASTER CREDIT CARD TRUST II

SERIES 1999-M

KEY PERFORMANCE FACTORS
March 31, 2001



Expected B Maturity 11/15/2004


Blended Coupon 6.6788%


Excess Protection Level
3 Month Average 7.37%
March, 2001 7.97%
February, 2001 7.28%
January, 2001 6.85%


Cash Yield20.67%


Investor Charge Offs 4.83%


Base Rate 7.86%


Over 30 Day Delinquency 4.90%


Seller's Interest 7.37%


Total Payment Rate14.60%


Total Principal Balance$56,622,749,044.91


Investor Participation Amount$500,000,000.00


Seller Participation Amount$4,172,058,483.42