(Translation) Ref: EIC-AD012/2020 14 May 2020 Subject: Management Discussion and Analysis for the Performance for the three-month period ended 31 March 2020 To: President The Stock Exchange of Thailand The Board

Microsoft Word - 2008-034EN Management Discussion and Analysis for the Q2 2020 (Ending June 30^J 2020)-Rev (002) Ref. No. 2008/034EN August 13, 2020 Subject Management Discussion and Analysis for the

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. 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

Development in present condition 15/07/2022 17:40 Approval on the extension of Mobile Logistics Co., Ltd.'s loan repayment period 20/05/2022 18:42 Appointment Board of Directors,Sub-committees,Provision Joint

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

and its subsidiaries for the year ended 31 December 2018 represented a loss before the provision for doubtful accounts and impairment on assets of Baht 112.79 million. Inclusive of the provision for

Limited and its subsidiaries for the six-month period ended June 30, 2018 represented a loss before the provision for doubtful accounts of Baht 24.13 million. Inclusive of the provision for doubtful

and its subsidiaries for the nine-month period ended September 30, 2018 represented a loss before the provision for doubtful accounts of Baht 67.28 million. Inclusive of the provision for doubtful

Limited and its subsidiaries for the nine-month period ending September 30, 2018 represented a loss before the provision for doubtful accounts of Baht 67.28 million. Inclusive of the provision for doubtful