Exhibit 99.21

MBNA MASTER CREDIT CARD TRUST II SERIES 1996-K

KEY PERFORMANCE FACTORS
December 31, 1996



Expected B Maturity 11/17/03


Blended Coupon 5.7866%



Excess Protection Level
3 Month Average 4.24%
December, 1996 5.51%
November, 1996 2.97%
October, 1996 N/A


Cash Yield 17.30%


Investor Charge Offs 3.97%


Base Rate 7.82%


Over 35 Day Delinquency 4.52%


Seller's Interest 17.12%


Total Payment Rate 11.85%


Total Principal Balance $23,372,253,332.68


Investor Participation Amount $1,000,000,000.00


Seller Participation Amount $4,000,325,814.19