Exhibit 99.21

MBNA MASTER CREDIT CARD TRUST II 

SERIES 1996-L

KEY PERFORMANCE FACTORS
MAY, 1998



        Expected B Maturity                                       12/15/99


        Blended Coupon                                          5.7677%



        Excess Protection Level
          3 Month Average  5.67%
          May, 1998  5.00%
          April, 1998  6.03%
          March, 1998  5.97%


        Cash Yield                                  17.95%


        Investor Charge Offs                        5.01%


        Base Rate                                   7.93%


        Over 35 Day Delinquency                     5.17%


        Seller's Interest                           13.80%


        Total Payment Rate                          13.68%


        Total Principal Balance                     $ 35,599,996,121.04


        Investor Participation Amount               $ 500,000,000.00


        Seller Participation Amount                 $ 4,911,601,602.55