30 April 2018 To: The President The Stock Exchange of Thailand Re: Q1-2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q1-2018 (Jan-Mar

Page 1 of 4 No. RJH – SET 7/2020 11 May 2020 Subject : Management’s Discussion and Analysis for the First Quarter of 2020 To : The President The Stock Exchange of Thailand Rajthanee Hospital Public

No. ADD 19/2022 11 May 2022 Subject: Management discussion and analysis for the performance for the three-month period ended 31 March 2022 To: President The Stock Exchange of Thailand AddTech Hub

No. ADD 3/2024 22 February 2024 Subject: Management discussion and analysis for the performance for the year ended 31 December 2023 To: President The Stock Exchange of Thailand AddTech Hub Public

Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis of significant changes for the 3-month period ended March 31

Ref. No. IVL 003/08/2020 13 August 2020 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

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Discussion and Analysis for 3rd quarter ended as of September 30, 2015 (SEC to edit) (Revision) Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (AIE) would like to submit

Management’s Discussion and Analysis For the operating results of 1Q2018 Global Green Chemicals Public Company Limited Global Green Chemicals Public Company Limited Management’s Discussion and

Central Pattana Public Company Limited Management’s Discussion and Analysis (MD&A) Page 1 of 16 Executive Summary The Company implemented proactive measures to timely manage the situation rapidly