IRPC Annual Report 2023

No. Name Compensation Meeting allowance for the Board of Directors Meeting allowance for Board’s Committee Total 1. Dr. Siri Jirapongphan 720,000 780,000 - 1,500,000 2. Miss Siriwan Chierapong 540,000 585,000 675,000 1,800,000 3. Miss Piangpanor Boonklam 540,000 585,000 495,000 1,620,000 4. Mr. Prasong Inthonongphai 540,000 585,000 540,000 1,665,000 5. Mr. Phonchai Teerawet 399,000 405,000 405,000 1,209,000 6. Asst. Prof. Dr. Chaiyaporn Phuprasert 540,000 585,000 270,000 1,395,000 7. Mrs. Pranot Tirasai 399,000 405,000 225,000 1,029,000 8. Mr. Chansak Chuenchom 540,000 585,000 300,000 1,425,000 9. Mr. Petai Mudtham 540,000 585,000 225,000 1,350,000 10. General Aittipol Suwannarat 540,000 585,000 135,000 1,260,000 11. Mr. Yordchat Tasarika 540,000 585,000 735,000 1,860,000 12. Mr. Somchai Rangsithananon 399,000 405,000 405,000 1,209,000 13 M.D. Korn Pongjittham 399,000 405,000 450,000 1,254,000 14. Mr. Krit Imsang (1) 540,000 585,000 540,000 1,665,000 15. Mr. Supot Laosuarpha * (deceased December 26, 2023) 540,000 585,000 360,000 1,485,000 16. Dr. Anusorn Sangnimnuan 142,500 180,000 180,000 502,500 17. Mr. Somnuk Bamrungsalee 142,500 180,000 180,000 502,500 18. Mr. Jumpol Samphaophon 142,500 180,000 135,000 457,500 19. Dr. Ekniti Nitithanprapas 142,500 180,000 135,000 457,500 Total 8,286,000 8,970,000 6,390,000 23,646,000 2023 Compensation for the Board of Directors (No other compensation or benefit were paid to directors, monetary or otherwise.) Note: (1) Mr. Krit Imsang reimbursed his director compensation to PTT Public Company Limited in compliance with the PTT’s President Employment Agreement. (Unit: Baht) 6.2 Director Bonuses In 2022 the company registered operating loss. The Nomination and Remuneration Committee therefore proposed that directors’ bonuses would not be offered, which the Board of Directors approved as proposed. And the 2023 Annual General Meeting of Shareholders on April 5, 2023 resolved to refrain from paying director bonuses based on Fiscal 2022 operating results. Details of Compensation for the Board of Directors as shown in the table below: 261 Report on Key Corporate Governance Activities 56-1 ONE REPORT 2023

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