Microsoft Word - ACE MDA Q3 23 - EN_R3 1 No. ACE-ACC-4/2023 14 November 2023 Subject Management Discussion and Analysis for the period ended 30 September 2023 To President The Stock Exchange of

Ref. DBP. 025 / 2018 February 21, 2018 Subject : Clarification on operating results of Year 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its

ที่ กตพ Ref. DBP. 030 / 2019 February 20, 2019 Subject : Clarification on Operating Results of Year 2018 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited

ที่ กตพ Ref. DBP. 073 / 2019 May 13, 2019 Subject : Clarification on Operating Results for the 1st quarter ending March 31, 2019 To : President The Stock Exchange of Thailand Diamond Building

, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. Notification of the Office of the Securities and Exchange

Exchange Commission No. SorThor/Nor. 26/2549 Re: Forms of Financial Statement of a Securities Company ___________ By virtue of Section 106 of the Securities and Exchange, Act B.E. 2535 (1992), and Clause 1

Ref. DBP. 141 / 2017 November 13, 2017 Subject : Clarification on Operating Results for the 3-Month Period and 9-Month Period ending September 30, 2017 To : President The Stock Exchange of Thailand

person is a company whose shares are listed on the stock exchange, in which case only the characteristics under (1)(a) shall be considered: (1) not possessing the following characteristics within a period

(Translation) February 27, 2019 Ref: SET-2019-003 Re: Management's Discussion and Analysis and operating results for the Year 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision

/12 In this Division: “listed company” means a company whose shares are listed in the stock exchange of Thailand; “subsidiary company” means the subsidiary company according to the Notification of the