Exhibit 99.48

MBNA MASTER CREDIT CARD TRUST II

SERIES 2000-B

KEY PERFORMANCE FACTORS
May 31, 2000



Expected B Maturity 2/18/03


Blended Coupon 6.6945%


Excess Protection Level
3 Month Average 3.90%
May, 2000 5.71%
April, 2000 2.10%
March, 2000 N/A


Cash Yield19.29%


Investor Charge Offs 4.66%


Base Rate 8.92%


Over 30 Day Delinquency 4.70%


Seller's Interest 9.50%


Total Payment Rate14.38%


Total Principal Balance$52,496,626,963.52


Investor Participation Amount$750,000,000.00


Seller Participation Amount$4,987,826,445.03