Exhibit 99.21

MBNA MASTER CREDIT CARD TRUST II

SERIES 1996-L

KEY PERFORMANCE FACTORS
MARCH, 1998



Expected B Maturity 12/15/99


Blended Coupon 5.7088%



Excess Protection Level
3 Month Average 5.15%
March, 1998 5.97%
February, 1998 4.76%
January, 1998 4.71%


Cash Yield 18.56%


Investor Charge Offs 4.85%


Base Rate 7.74%


Over 35 Day Delinquency 5.06%


Seller's Interest 11.41%


Total Payment Rate 13.80%


Total Principal Balance $ 33,909,306,783.29


Investor Participation Amount $ 500,000,000.00


Seller Participation Amount $ 3,867,972,264.80