Form 246-2

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Name of Acquisitor/Dispositor

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Reports on Acquisition or Disposition of Securities (Form 246-2) ( 3 record(s) found)

Name of Securities	Name of Acquisition/Disposition	Types	Types of Securities	% Held Before Acquisition/ Disposition	% Held Acquisition/ Disposition	% Held After Acquisition/ Disposition	Transaction Date	% Group of Held Before Acquisition/ Disposition²	% Group of Held Acquisition/ Disposition²	% Group of Held After Acquisition/ Disposition²	No
TU	Mrs. Charunee Chinwongvorakul	Acquisition	Stock	4.9126	0.0078	4.9205	22/03/2023	4.9986	0.0078	5.0064	246023882303-1
TU	SOCIAL SECURITY OFFICE	Disposition	Stock	5.0146	0.0644	4.9501	11/01/2022	5.0146	0.0644	4.9501	246015872201-1
TU	SOCIAL SECURITY OFFICE	Acquisition	Stock	4.952	0.0902	5.0422	11/06/2021	4.952	0.0902	5.0422	246011432106-1

Stock: common stock or preferred stock or depository receipt (DR).
Convertible Securities: warrant or convertible debenture or other securitiesconvertible to stock.
In case of group report, disclose the changes in the holding of individuals, thegroup percentage of acquisition/disposition,
the group percentage after theacquisition/disposition and the person(s) under Section 258 of the Securities and Exchange Act B.E.2535.
Preliminary version: incomplete and/or being reviewedinformation.
Revised version: new report submitted by the reporter to replace theold one.
Chain principle: indirect acquisition of stocks by the reporter, triggering a tender offer.

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