Exhibit 99.22 MBNA MASTER CREDIT CARD TRUST II SERIES 1997-F KEY PERFORMANCE FACTORS June 30, 2000 Expected B Maturity 6/17/02 Blended Coupon 6.6694% Excess Protection Level 3 Month Average 5.45% June, 2000 5.02% May, 2000 5.75% April, 2000 5.56% Cash Yield 18.75% Investor Charge Offs 4.56% Base Rate 9.17% Over 30 Day Delinquency 4.60% Seller's Interest 12.05% Total Payment Rate 14.03% Total Principal Balance $54,839,173,315.51 Investor Participation Amount $706,000,000.00 Seller Participation Amount $6,607,972,797.02