ANNOUNCEMENT

Subject: Relocation of Company Headquarters

To: Valued Customers and Partners,

Nam Hung Viet Vaccine & Biological Products Joint Stock Company would like to extend our sincere gratitude to our Valued Customers and Partners for your continued trust and cooperation over the years.

Pursuant to the 8th amendment of the Certificate of Business Registration No. 0304373099 issued by the Business Registration Office on September 10, 2025, we hereby officially inform you of the relocation of our company headquarters as follows:

Previous Information

• Address: No. 44, Street 12, Him Lam New Urban Area, Tan Hung Ward, District 7, Ho Chi Minh City
• Telephone: +84 28 6266 1234

New Information

• Address: No. 89, Nguyen Thi Thap Street, Him Lam Area, Tan Hung Ward, Ho Chi Minh City
• Telephone: +84 28 2223 2425

All other company information remains unchanged.
We respectfully request our Valued Customers and Partners to update your records to ensure seamless communication and transactions.

We sincerely appreciate your continued support and cooperation.