Cap, assessed by the collaboration of the Stock Exchange of Thailand and FTSE Group on May 29, 2020 and June 19, 2020 respectively. 1.2 BAM x Shopee Partnership (online shopping platform) BAM x Shopee

investment grade in compliance with the rules under such Notification; (2) corporate bonds issued by a trust whose units are listed securities on the Stock Exchange of Thailand; (3) newly issued corporate

operating results for the 3-month period and 6-month period ending June 30, 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its Subsidiary (together

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

ที่ กตพ Ref. DBP. 108 / 2019 August 13, 2019 Subject : Clarification on Operating Results for the 2nd quarter and 6-month Period ending June 30, 2019 To : President The Stock Exchange of Thailand

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. 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

attending the meeting and having the right to vote without any objection on the proposed offering 1 Market price means the weighted average price of the Company’s ordinary shares traded on the Stock Exchange

shareholders attending the meeting and having the right to vote without any objection on the proposed offering 1 Market price means the weighted average price of the Company’s ordinary shares traded on the Stock

20 - Natural Resources Financial Position Statement of Cash Flows Statement Financial Ratios Environment Management Accounting Management Discussion and Analysis of Business Operation for Q2/2019