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) ( 27 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
HYDRO	Mr Chokechai Rungcharoenchai	Acquisition	Stock	7.1152	2.9803	10.0955	13/03/2026	7.1152	2.9803	10.0955	246041402603-1
HYDRO	Mr Chokechai Rungcharoenchai	Acquisition	Stock	3.5478	3.5673	7.1152	20/02/2026	3.5478	3.5673	7.1152	246040782602-1
HYDRO	Mr Chokechai Rungcharoenchai	Disposition	Stock	5.9514	2.305	3.6463	03/10/2025	5.9514	2.305	3.6463	246040772602-1
HYDRO	Miss Rinlita Panchathatsanasith	Disposition	Stock	18.146	9.1891	8.9568	27/08/2025	18.146	9.1891	8.9568	246038162509-1
HYDRO	Mrs Pimlada Pipatpakorn	Disposition	Stock	24.7267	22.5473	2.1794	29/05/2025	24.7267	22.5473	2.1794	246039242511-1
HYDRO	Miss Rinlita Panchathatsanasith	Acquisition	Stock	0	18.1405	18.1405	29/05/2025	0	18.1405	18.1405	246036882506-1
HYDRO	Mr Chokechai Rungcharoenchai	Disposition	Stock	12.1328	6.1813	5.9514	29/05/2025	12.1328	6.1813	5.9514	246039372511-1
HYDRO	Mr Porramat Prayoonto	Acquisition	Stock	0	12.8851	12.8851	29/05/2025	0	12.8851	12.8851	246036892506-1
HYDRO	Miss Nuvapa Vitoonchavalitwong	Disposition	Stock	24.5798	22.5473	2.0325	22/05/2025	24.5798	22.5473	2.0325	246039232511-1
HYDRO	Miss Sidapan Sombuttheera	Acquisition	Stock	0	21.5008	21.5008	22/05/2025	0	21.5008	21.5008	246036912506-1

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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