Ref. DBP. 066 / 2020 May 11, 2020 Subject : Clarification on Operating Results for the 1st Quarter ending March 31, 2020 To : President The Stock Exchange of Thailand Diamond Building Products Public

: * Calculated based on the number of issued and paid-up ordinary shares deducted by the number of treasury stock The Corporate Group’s total assets as at December 31, 2019 increased from the end of year 2018 by

: Treasury stock (114) (114) 0.0% Total equity of parent Company's shareholders 901 1,049 (14%) Non-controlling interests 107 111 (4%) Total Shareholders' Equity 1,008 1,160 (13%) Total Liabilities and

% Share premium 6 6 0.0% Retained earnings 803 908 (12%) Other components of equity 178 189 (6%) Deduct: Treasury stock (114) (114) 0.0% Total equity of parent Company's shareholders 1,013 1,129 (10%) Non

% Other components of equity 189 196 -3% Deduct: Treasury stock (114) 0 - Total equity of parent Company's shareholders 1,145 1,612 -29% Non-controlling interests 46 0 - Total Shareholders' Equity 1,191

stock The Corporate Group’s total assets as at June 30, 2017 decreased from the end of year 2016 by Baht 119.82 million or 3.70 percent, due to the decrease in fixed assets of Baht 95.29 million, decrease

)* 2.02 1.90 0.12 6.32 Remark: * Calculated based on the number of issued and paid-up ordinary shares deducted by the number of treasury stock The Corporate Group’s total assets as at September 30, 2017

)* 2.38 2.19 0.19 8.68 Remark: * Calculated based on the number of issued and paid-up ordinary shares deducted by the number of treasury stock The Corporate Group’s total assets as at June 30, 2019

- - Book Value (Baht per Share)* 2.32 2.19 0.13 5.94 Remark: * Calculated based on the number of issued and paid-up ordinary shares deducted by the number of treasury stock The Corporate Group’s total assets

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