An exchange of

principal over a certain period of time which is generally due to differences

in the interest rates used.

An exchange of

principal over a certain period of time which is generally due to similarities

in the interest rates used.

An exchange of

cashflow over a certain period of time which is generally due to differences in

the interest rates used.

An exchange of

cashflow over a certain period of time which is generally due to similarities

in the interest rates used.