IRPC One Report EN

No. Name As of Dec. 31, 2020 Shareholding Percentage/ Number of shares As of Dec. 31, 2021 Shareholding Percentage/ Number of shares Number of Shares Increased (Decreased) During the Year WARRANT/ NVDR/ TSR/ DW (2021) Notes Directors who completed term/ resigned during the year 2. Mr. Charcrie Buranakanonda 0.00027% 55,000 0.00027% 55,000 No Change None Completed term on March 31, 2021 Spouse None None No Change None Minor child None None No Change None 3. Mr. Nuttachat Charuchinda None None No Change None Completed term on March 31, 2021 Spouse None None No Change None Minor child None None No Change None 4. Mr. Wattanapong Kurovat None None No Change None Resigned as Director from May 1, 2021 Spouse None None No Change None Minor child None None No Change None 5. Mr. Noppadol Pinsupa None None No Change None Resigned as the company’s Director from October 1, 2021 Spouse None None No Change None Minor child None None No Change None Executives’ Shareholding as of December 31, 2021 No. Name As of Dec. 31, 2020 Shareholding Percentage/ Number of shares As of Dec. 31, 2021 Shareholding Percentage/ Number of shares Number of Shares Increased (Decreased) During the Year WARRANT/ NVDR/ TSR/ DW (2021) Notes 1. Mr. Chawalit Tippawanich 0.00220% 450,000 0.00220% 450,000 No Change None Spouse None None No Change None Minor child None None No Change None 2. Mr. Woravuth Sivapetranart 0.00137% 279,351 0.00137% 279,351 No Change None Spouse None None No Change None Minor child None None No Change None Directors’ Shareholding as of December 31, 2021 242 IRPC PUBLIC COMPANY LIMITED 56-1 ONE REPORT 2021

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