*Rates applicable to accounts opened from 9 May 2014. To see rates applicable to accounts opened before 9 May 2014 please see our interest rates for personal accounts (including discontinued accounts) . Interest rate quoted is Annual Equivalent Rate (AER) and illustrates what the interest rate would be if interest was paid and compounded once each year. Tax-free is the contractual rate of interest payable where the interest is exempt from Income Tax. The benefit to you of the favourable tax treatment for ISAs depends on your individual circumstances and may vary in the future.