Dear Valued Customers and Partners,

To facilitate your production and ordering plans, Hoang Hac Joint Stock Company would like to respectfully announce our holiday schedule for April and May 2026 as follows:

1. Hung Kings Commemoration Day (10th day of the 3rd lunar month):

• Holiday duration: 02 consecutive days.

• From: April 26, 2026 (Sunday) to the end of April 27, 2026 (Monday).

• We will resume normal operations on Tuesday, April 28, 2026.

2. Reunification Day (April 30) & International Labor Day (May 1):

• Holiday duration: 02 consecutive days.

• From: April 30, 2026 (Thursday) to the end of May 1, 2026 (Friday).

• We will resume normal operations on Saturday, May 2, 2026.

Should you require any urgent assistance during the holidays, please feel free to contact us via our hotline at 028.38155056 or reach out to your direct contact person via email

We wish you and your family a happy, meaningful, and safe holiday!

Sincerely,

BOARD OF DIRECTORS of HOANG HAC JOINT STOCK COMPANY