SHARES HELD BY THE BOARD OF DIRECTORS UNDER SEC’S DEFINITION, THEIR SPOUSES, AND THEIR MINORS AS OF DECEMBER 31, 2021 Name Number of Shares As of January 1, 2021 As of December 31, 2021 Increase/(Decrease) of Shares during the Year (Shares) 1. Mr. Piyasvasti Amranand -None- -None- -No Change2. Mr. Apisak Tantivorawong -None- -None- -No Change3. Mr. Don Wasantapruek -None- -None- -No Change- Spouse -None- 3,000 3,000 4. Professor Somkit Lertpaithoon -None- -None- -No Change5. Mr. Grisada Boonrach -None- -None- -No Change6. Mrs. Watanan Petersik -None- -None- -No Change7. Mr. Pakorn Nilprapunt -None- -None- -No Change8. Lieutenant General Nithi Chungcharoen -None- -None- -No Change9. Mr. Chansin Treenuchagron -None- 40,000 40,000 10. Mr. Noppadol Pinsupa N/A -None- -No Change11. Mr. Disathat Panyarachun -None- -None- -No Change- Spouse 80 80 -No Change12. Mr. Sarawut Kaewtathip -None- -None- -No Change13. M.L. Peekthong Thongyai N/A -None- -No Change14. Mrs. Pantip Sripimol N/A -None- -No Change15. Mr. Kongkrapan Intarajang -None- -None- -No ChangeCOMPOSITION OF THE BOARD OF DIRECTORS GC’s Articles of Association mandates that the Board of Directors be composed of no fewer than five but no more than 15 Directors. Each Director is to serve a three-year term. At least one-third and no fewer than three Directors of the entire Board must be Independent Directors. According to good corporate governance principles, more than half of the Board of Directors must be Independent Directors. Furthermore, GC’s good corporate governance principles prescribe that at least half of the Board of Directors must be residents of the Kingdom of Thailand. These Directors must also have the legally required qualifications, not possess any attributes prohibited by law, and not be over the age of 70. The composition of the Board of Directors and its members’ qualifications of GC is in with its Articles of Association, good corporate governance principles, and legal regulations. In addition, the Company’s policy protects Directors from any form of gender discrimination. The Board of Directors is comprised of individuals from diverse fields of knowledge, expertise and professional experience which are beneficial to the Company’s business operations. Furthermore, each Director may hold directorship in no more than five companies which are listed with the Stock Exchange of Thailand (SET) and in no more than three state enterprises or juristic persons whose shares are held by state enterprises, according to a resolution passed by the Cabinet. The Company’s Board of Directors currently comprises of 15 Directors in total, an appropriate number for its business size and type. These Directors are divided into the following categories: (1) 14 Non-Executive Directors (2) 1 Executive Director, namely the Chief Executive Officer and President (3) 8 Independent Directors (over half the number of the Board’s total) (4) 2 female Directors 134 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2021