IRPC Annual Report 2023

No. Name As of Dec. 31, 2022 Shareholding Number of shares As of Dec. 31, 2023 Shareholding Number of shares Number of shares increase (decrease) during the year WARRANT / NVDR / TSR / DW 2023 Notes: 11. Mr. Yodchat Tasarika Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A 12. Mr. Somchai Rangsithananon Spouse Minor children N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A New Director appointed at AGM meeting April 5, 2023 13 M.D. Korn Pongjitdham Spouse Minor children N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A New Director appointed at AGM meeting April 5, 2023 14 Mr. Kris Imsang Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A 15 Mr. Supot Laosuarpha Spouse Minor children 0.00024% 50,000 N/A N/A 0.00024% 50,000 N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A Deceased December 26, 2023 Directors who completed their terms/resigned during the year 16 Mr. Anusorn Saengnimnuan Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A Completed term AGM April 5 2023 17 Mr. Somnuk Bomrungsalee Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A Completed term AGM April 5 2023 18 Mr. Jumpol Sumpaopol Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchangedง N/A N/A N/A Completed term AGM April 5 2023 19. Mr. Ekniti Nitithanprapas Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A Completed term AGM April 5 2023 Securities holdings by members of the Board of Directors, spouses and minor children as of December 31, 2023 223 Corporate Governance Structure and Important Information about the Board of Directors, Board’s Committees, Executives and Employees 56-1 ONE REPORT 2023

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