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: 1. Dr. Siri Jirapongphan Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A 2. Miss Siriwan Chierapong Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A 3. Miss Piangpanor Boonklam Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A 4. Mr. Prasong Intaranongphai Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A 5. Mr. Pornchai Thiraveja 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 6. Asst. Prof. Dr. Chaiyaporn Puprasert Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A 7. Mrs. Pranot Tirasai 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 8. Mr. Chansak Chuenchom Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A 9. Mr. Petai Mudtham Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A 10. General Aittipol Suwannarat Spouse Minor children N/A N/A N/A N/A N/A N/A Unchanged Unchanged Unchanged N/A N/A N/A Securities holdings by members of the Board of Directors, spouses and minor children as of December 31, 2023 222 Corporate Governance Structure and Important Information about the Board of Directors, Board’s Committees, Executives and Employees IRPC Public Company Limited
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