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Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No UBIS Mr. Nant Kitayanutkul Acquisition Stock 54.9932

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No QLT Mr. Kitisak Jampathipphong Acquisition Stock 3.66

  246010262104-1 JTS Mr. Puwapit Supamitchotima Disposition Stock 5.0147 0.0212 4.9935 18/03/2021 5.0147 0.0212 4.9935   246009632103-1 JTS Mr. Krirkrai Tribunyatkul Disposition Stock 14.9282 5.0958 9.8324 10/02

1 At JSP 067/2561 (OOP) 14 June, 2018 Subject Notifications of the connected transaction-borrowing from connected person, Appointment of Director replace the directors that were resign before the end