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Shareholder Center

Shareholding Structure

GC is a Public Company Limited, which is the listed company in the Stock Exchange of Thailand or SET. In this regard, GC establishes strategic direction in our business and strictly complies with the good corporate governance principles which are in line with criteria, regulations, and rules issued by SET and the Securities and Exchange Commission (SEC). To achieve this, GC discloses its structure of majority shareholders in the table below.

Top 10 shareholders

(Information as of October 9th, 2025)

Top 10 Shareholders # of Shares %Holding
1. PTT Public Company Limited 2,037,220,915 45.18
2. Thai NVDR Company Limited 167,587,805 3.72
3. Siam Management Holding Company Limited 135,240,000 3.00
4. HMC Polymers Company Limited 123,661,400 2.74
5. Social Security Office 119,896,951 2.66
6. NORTRUST NOMINEES LIMITED-NTC-FIDELITY INVESTMENT TRUST: FIDELITY SERIES EMERGING MARKETS OPPORTUNITIES FUND 83,427,636 1.85
7. SOUTH EAST ASIA UK (TYPE C) NOMINEES LIMITED 62,009,795 1.38
8. Vayupak Fund 1 61,426,751 1.36
9. THE BANK OF NEW YORK MELLON 43,420,625 0.96
10. Bangkok Synthetics Co., LTD. 32,135,000 0.71

Note: https://www.set.or.th/en/market/product/stock/quote/PTTGC/major-shareholders

PTT Public Company Limited (PTT) holds 45.18% of GC total shares, and the Social Security Office holds 1.36% of GC total shares. As the Ministry of Finance is the major shareholder of PTT holding 51.38% of PTT total shares, PTT is classified as government institution under OECD definition. Therefore, GC has 24.57% governmental ownership on a pro rata basis.

Voting Rights

GC places importance on equitable actions for shareholders. The Board of Directors establishes one share one vote policy, designating that GC does not offer golden share or dual class share to any shareholders or under any circumstances.

Shareholder Rights

GC has recognized the significant of the right of shareholders principles, which can be found in Corporate Governance and Business Code of Conduct Handbook Corporate Governance and Business Code of Conduct Handbook (page 30). GC shall not engage in any action which will violate or diminish the rights of the shareholders. To this end, GC has established the corporate governance policy and disclosed to the public through the various channels of the Company. GC also supports and encourages the exercising of shareholders' rights for the best interests of shareholders as follows:

  • GC provides shareholders with clear, up-to-date information of importance and pertinence to its business operations. To this end, it also discloses information deemed necessary, albeit not legally required, on its website and via the portal of the Stock Exchange of Thailand (https://www.set.or.th/en/market/product/stock/quote/pttgc/price).
  • The annual general meeting of shareholders must be held annually. In 2025, GC held the 2025 Annual General Meeting of Shareholders (AGM) at 9.00 on April 8th, 2025, through electronic means (E-AGM) according to Emergency Decree on Electronic Meetings B.E. 2563 (2020). GC shall ensure convenience for attending shareholders prior to the meeting, on the day of meeting and after the meeting accordingly. This includes the rights of shareholders to submit inquiries in advance of the annual general meeting of shareholders. GC shall ensure that all shareholders are granted the basic voting rights in all agenda items and are given the equal rights to submit inquiries and express their opinions. All expressed questions and opinions during the meeting shall be fully recorded in the minutes of the annual general meeting of shareholders.
  • GC provides an opportunity for single or a group of shareholders holding at least of 0.1 of total GC shares with eligible voting rights to propose agenda items and nominate qualified candidates to be elected as Directors with clear criteria and steps specified prior to the annual general meeting of shareholders. In this regard, GC allowed shareholders to propose agenda items and nominate qualified candidates to be elected as Directors for the Annual General Meeting of Shareholder for the year 2025 from September 15th to December 31st, 2025.

Minutes of the Annual General Meeting of Shareholders 2025

Minutes of the Annual General Meeting of Shareholders 2025

Detail of shareholder rights can be found under the topic of Shareholder Rights on pages 148-149 in Form 56-1 One Report 2025

One Report 2025