System Maintenance Notice (KRX UPGRADE)

Dear Valued Customers,

KIS Vietnam Securities Corporation would like to sincerely thank you for your trust and continued support over the years.

In accordance with the plan to implement the new KRX trading system from the Vietnam Stock Exchange and the Vietnam Securities Depository and Clearing Corporation (VSDC), KIS will upgrade its system to ensure seamless connectivity and operation under the new standards.

We would like to inform you of the following trading system maintenance schedule:

• Maintenance Period: From 17:00 (GMT+7), Tuesday, April 29, 2025, to 20:00 (GMT+7), Sunday, May 4, 2025.

• During the maintenance period, the WTS (Web Trading System) platform and the iKIS application will be temporarily inaccessible.

• All pending orders will be canceled at the end-of-day process at 17:00, Tuesday, April 29, 2025.

• The transaction statement for April 29, 2025 will not be sent to your email.

• The monthly statement for April 2025 will be sent after May 5, 2025.

We sincerely apologize for any inconvenience this may cause and kindly ask for your understanding and continued support.

Best regards,
KIS Vietnam Securities Corporation