https://www.cimb.com.my/en/personal/help-su...edit-cards.html

Conversion for Overseas Transaction
The conversion rate as determined by Mastercard International/VISA International (whichever is applicable) plus an administrative cost of 1%* plus any transaction fee charged by Mastercard or VISA (whichever is applicable).

Dynamic Currency Conversion (DCC) is a service offered by certain overseas merchants to provide a choice to pay in Ringgit Malaysia (including online purchases) for oversea purchase.

* Not applicable for CIMB Travel World Elite Credit Card.