Disclosure of the 1st Quarter of 2026 Separate Financial Statements

04/28/2026

Dear Shareholders,

PetroVietnam Technical Services Corporation (PTSC) respectfully sends to Valued Shareholders and interested Investors, Letter No. 657/PTSC-BTK dated April 28, 2026 regarding information disclosure of the 1st Quarter of 2026 Separate Financial Statements, as attached.
Best regards./.

Attachment:
657/PTSC-BTK