Ref. DBP. 024 / 2020 February 25, 2020 Subject : Clarification on Operating Results of Year 2019 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its

รายงานการประชุมคณะกรรมการตรวจสอบ ครั้งที่ 4/2548 Ref.: SET-2018-002 February 9, 2018 Subject: Signing on the Franchise Agreement; and the Agreement to Acquire and Dispose Assets of “Wuttisak Clinic

– an important drive towards achieving country’s net zero target.The consultation paper is available on https://www.sec.or.th/TH/Pages/PB_Detail.aspx?SECID=958. Stakeholders and interested parties are

investors and the public. This Initiative aims to empower individuals to enhance their quality of life and contribute to creating a financially aware society. However, achieving shared goals requires

the realm of sustainability, which is crucial to the strategy and business operations to mitigate sustainability risk, enhance competitiveness, and contribute to the country’s goal of achieving net

investment management companies while achieving the appropriate right balance between regulatory flexibility and investor protection. At the same time, investors are offered money market funds as an

0 ] Ref. No. IVL 001/05/2021 6 May 2021 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

Writer Ref. No. 088/2561 11 May 2018 SUBJECT : Management Discussion and Analysis ending 31 March 2018 ATTN : President of the Stock Exchange of Thailand The Company realized profit for the first

Attn : The Directors and The MAI Manager Ref: Dimet AC 1902/001 February 12, 2019 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.2’s performance

Attn : The Directors and The MAI Manager Ref: Dimet AC 0817/1 August 30, 2017 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Year End result and clarification of