/2018 December 19, 2018 Re: Notification of Resolutions of the Board of Directors’ Meeting No. 8/2018 Attn.: President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on Acquisition of

capital of the Company with Department of Business Development, Ministry of Commerce, including the listing of new ordinary shares in the Stock Exchange of Thailand, and submission of information or

increase in registered capital of the Company with Department of Business Development, Ministry of Commerce, including the listing of new ordinary shares in the Stock Exchange of Thailand, and submission of

Shareholders’ Meeting approves capital restructuring.The Extraordinary Shareholders’ Meeting (EGM) approves a series of transactions, namely (i) a reverse stock split of ordinary and preferred shares at a ratio

compensation for design and construction to related person. To: Managing Director The Stock Exchange of Thailand Reference: 1. Capital Increase Report Form (F53-4) 2. Report of Information Memorandum on the

Carnival Magic Project, and compensation for design and construction to related person. (Update) To: Managing Director The Stock Exchange of Thailand Reference: 1. Capital Increase Report Form (F53-4) 2

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 10 May 2018 Re: To clarify the financial statements as of 31 March 2018 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

February 26, 2018 To: The President The Stock Exchange of Thailand Re: 2017 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s 2017 operating

Limited. The Company has already registered the changes to the Department of Business Development, Ministry of Commerce on April 17, 2019. In this regard, the Company still uses the same stock symbol “RATCH

-1- AIT (VP-SEC) 003E/2024 15 February 2024 Subject: Management's Discussion and Analysis of Operating Results for the year 2023 and Q4-2023 To: The President of the Stock Exchange of Thailand