Form 246-2

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Name of Acquisitor/Dispositor

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Transaction Date Published Date

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Reports on Acquisition or Disposition of Securities (Form 246-2) ( 2 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	Remark³	File	No
DIMET	Mr. Ho-chih Huang	Acquisition	Stock	0	16.1866	16.1866	13/03/2023	0	16.1866	16.1866			246023942303-1
DIMET	Mr. Wichai Wanavit	Acquisition	Stock	0.815	8.0888	8.9039	22/03/2022	0.815	8.0888	8.9039			246017572203-1

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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