No: AH 02022024 February 29th, 2024 Subject: Management Discussion & Analysis (MD&A) for the financial statements of fiscal year 2023 ended as of December 31, 2023 To: The President The Stock Exchange

Stock Exchange of Thailand Aapico Hitech Public Company Limited (“the Company”) would like to explain the consolidated financial statements of the Company for the 1st quarter of fiscal year 2024 ended as

Microsoft Word - ACE MDA Q1 24 - EN V.Format Edited 090524 1 No. ACE-ACC-2/2024 13 May 2024 Subject Management Discussion and Analysis for the period ended 31 March 2024 To President The Stock

Assistance to connected person, The Acquisition of Asset, Schedule for Extraordinary General Meeting No. 1/2019 (Revised) To: The President The Stock Exchange of Thailand Attachments: 1. Information Memorandum

established under a specific law as a financial institution under the law on interest on loan of the financial institutions. "Exchange" means the Stock Exchange of Thailand. 3 "terms and conditions" means

operating results for the 3-month period and 6-month period ending June 30, 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its Subsidiary (together

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ที่ กตพ Ref. DBP. 108 / 2019 August 13, 2019 Subject : Clarification on Operating Results for the 2nd quarter and 6-month Period ending June 30, 2019 To : President The Stock Exchange of Thailand

Ref. DBP. 153 / 2019 November 11, 2019 Subject : Clarification on Operating Results for the 3rd quarter and 9-month Period ending September 30, 2019 To : President The Stock Exchange of Thailand

Ref. DBP. 111 / 2020 August 10, 2020 Subject : Clarification on Operating Results for the 2nd quarter and 6-month period ending June 30, 2020 To : President The Stock Exchange of Thailand Diamond