No. IIG 002/2020 14 August 2020 Subject: Management discussion and analysis for the second quarter of 2020 Attn: Governors and President Market for Alternative Investment (MAI) I&I Group Public

the resolution earlier adopted at its Board of Directors’ meeting no. 5/2019 on October 22, 2019, authorizing the increased budget for sales management and system development during October - December

9 month period of 2018, the Company’s net profit report at 374.3 million baht which increase 26.1% from the same period last year.   Management Discussion and Analysis, Q3/2018 Page4/5 JMT Network

million, the Corporate Group’s net profit for the year increased by Baht 4 .44 million or an increase of 3.28 percent. Details of the changes or impacts are described in the Management Discussion and

the Management Discussion and Analysis (MD&A) as attached herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid

-month period, the net profit increased by Baht 6.28 million or 2.56 percent. Details of the changes or impacts are described in the Management Discussion and Analysis (MD&A) as attached herewith. Please

described in the Management Discussion and Analysis (MD&A) as attached herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr

- ร่าง - 1 Aug 10, 2017 Subject Management Discussion and Analysis for the period of three months ended 30th June 2017 To President of the Stock Exchange of Thailand Secretary of the Office of

- ร่าง - 1 May 28, 2019 Subject Management Discussion and Analysis for the year ended 31st March 2019 To President of the Stock Exchange of Thailand Secretary of the Office of Securities and Exchange

establish a branch office shall name the branch office by having the words “branch office” at the front followed by the name of the management company. Clause 8. In the case where the branch office shares the