Announcement on Temporary System Maintenance of Call Center Hotline Service (October 22^nd-23^rd, 2026)

Dear valued customers,

To provide better financial products and services, Bank of China (Hong Kong) Limited Jakarta Branch (“Bank”) will perform a system maintenance of the Call Center Hotline system on:

During that period, the Call Center Hotline service will not be available.

For inquiry regarding our Bank products or services during the maintenance time, you may send your inquiry email to callcenter@bankofchina.co.id.

Any complaint regarding our Bank products or services during the maintenance time, you may download the Customer Complaint Form here and send the completed Customer Complain Form to callcenter@bankofchina.co.id. For further information about Customer and General Public Complaint Handling procedure, please click here.

If you want to request block and unblock the debit card during the maintenance time, please access our BOC Mobile and BOCNet.

We apologize for any inconvenience and thank you for your understanding.

For further information, please contact Bank Call Center Hotline at +6221-5209988 or visit Bank nearest sub-branch.

Best Regards,

Bank of China (Hong Kong) Limited Jakarta Branch