Disclosure of information Resolution regarding approval of the dissolution of Rong Doi MV12 Pte. Ltd.

01/19/2026

Dear Shareholders

PetroVietnam Technical Services Corporation respectfully sends to Valued Shareholders and interested Investors Official Letter No. 82/PTSC-BTK dated January 19, 2026 regarding disclosure of information Resolution on the approval of the dissolution of Rong Doi MV12 Pte. Ltd.

Sincerely./.

Attachment:
82/PTSC-BTK