Announcement regarding the 2026 Annual General Meeting of Shareholders

05/27/2026

ANNOUNCEMENT
Regarding the 2026 Annual General Meeting of Shareholders

To: Shareholders of PetroVietnam Technical Services Corporation

Name of Issuing Organization: PetroVietnam Technical Services Corporation
Head Office: No. 1-5 Le Duan street, Sai Gon Ward, Ho Chi Minh City
Enterprise Code: 0100150577
Telephone: 028.39102828 Fax: 028.39102929
The Board of Directors of PetroVietnam Technical Services Corporation respectfully announces to the Shareholders regarding the 2026 Annual General Meeting of Shareholders (abbreviated as “Meeting”) as follows.1. Time: 09:00 AM on Thursday, June 18, 2026.
2. Meeting Form: Online. Shareholders attend and vote by electronic voting system (E-voting).
3. Location for Meeting Operation: Meeting room, PTSC Headquarters Office, No. 1-5 Le Duan street, Sai Gon Ward, Ho Chi Minh City.
4. Meeting Content:
4.1. Approval of Reports, Proposals, and Election Matters:
- Report of the Board of Directors;
- Report on Results of production and business activities in 2025 and Plan for 2026;
- Proposal on the Approval of the Audited Financial Statements for 2025;
- Proposal on the Approval of the 2025 Profit Distribution Plan and the 2026 Financial Plan;
- Report of the Board of Supervisors (BOS);
- Proposal on the Approval of the selection of the audit firm for the 2026 Financial Statements;
- Proposal on Remuneration and operating expenses for Members of the Board of Directors and Supervisors in 2026;
- Proposal on Personnel matters of the Board of Directors and the Board of Supervisors of PetroVietnam Technical Services Corporation ;
- Proposal on the Plan to increase charter capital through the issuance of shares
to pay the 2025 dividend;
- Proposal on the Amendment of Business Lines of PetroVietnam Technical Services Corporation;
- Proposal on the Policy for Participation in Large-Value Service Projects and Tender Packages during the 2026-2030 Period;
4.2. Other matters within the authority of the General Meeting of Shareholders.
5. Participants: All Shareholders owning shares of PetroVietnam Technical Services Corporation on the record date of May 18, 2026, as provided by Vietnam Securities Depository and Clearing Corporation (VSDC).
6. Procedures for attending the Meeting and e-voting:
Shareholders attending the online Meeting shall use one of the following devices: personal computer/desktop computer/tablet/smartphone with an internet connection to access the website: https://dhcd.ptsc.com.vn, attend the Meeting, and cast votes electronically (E-voting).
7. Nomination and Candidacy for the Board of Directors, the Board of Supervisors: Shareholders or groups of shareholders owning 10% or more of the total ordinary shares shall have the right to nominate candidates in accordance with the PTSC Charter and the attached Instructions.
8. Other rights:
Shareholders exercise other rights in accordance with the provisions of the Law on Enterprises No. 59/2020/QH14 and its consolidated guiding documents on amendments and supplements.
9. Information:
Shareholders are kindly requested to refer to the Meeting Agenda, Meeting Documents and other related information on the website: www.ptsc.com.vn, from May 27, 2026.
Sincerely./.