do update , UOB got charges also .

Conversion
for Overseas
Transactions
If you use the Credit Card for a transaction in a currency other than Ringgit
Malaysia, it will be converted through Visa/MasterCard International at the
conversion rate as determined by Visa/MasterCard International as at the time
the transaction is posted. In addition, an administration cost of 1% or such
other rate as determined by us for the conversion of the transaction made in a
currency other than Ringgit Malaysia will be chargeable to you.