ANNOUNCEMENT OF SUMMER BREAK SCHEDULE 2025

Dear Valued Customers and Partners,

Hoang Ha - IBT Group would like to express our sincere gratitude to all our Customers and Partners for your continuous trust and companionship throughout the past period.

To allow all our employees to rest and recharge after their dedicated efforts, and to better prepare for upcoming projects, Hoang Ha - IBT Group respectfully announces the summer break schedule for 2025 as follows:

• Break Duration: From Friday, July 11, 2025, to the end of Sunday, July 13, 2025.

• Resumption of Work: Monday, July 14, 2025.

During the summer break, customer and partner support activities will be temporarily suspended. We kindly ask for your understanding. All inquiries and requests will be addressed promptly on July 14, 2025.

We wish all our Customers and Partners a summer filled with joy and meaningful moments!

Sincerely,

Hoang Ha Industrial Group – IBT Group