What is a foreign exchange fee and what are the conversion rates for processing transactions from an overseas merchant?

What is a foreign exchange fee and what are the conversion rates for processing transactions from an overseas merchant?

A foreign exchange fee is charged to your card when a transaction is made with an overseas merchant or in a currency denomination other than the denomination of currency on your card.

A foreign exchange fee of 2.5% for the converted amount will be charged to the card per transaction.