Extraordinary General Meeting of the Shareholders No. 2/ 2 5 6 1 , Land purchased from the connected person and sell in investment of the subsidiary (Revised) Attention The President The Stock Exchange of

Extraordinary General Meeting of the Shareholders No. 2/ 2 5 6 1 , Land purchased from the connected person and sell in investment of the subsidiary (Revised 2) Attention The President The Stock Exchange of

Company has repaid the loan since late last year until this year as well as refinancing of the loan with lower financial cost.  Completion of WHAUP’s listing to Stock Exchange of Thailand (SET) by Initial

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

may be greater. As a result, the company is required to disclose information memorandum pertaining to the transaction to the Stock Exchange of Thailand, together with appointing an Independent Financial

lower than 6.25 percent of the outstanding. (6) shares listed on the Stock Exchange of Thailand and included in the SET 100 index calculation; (7) investment units of the Money Market Fund; (8) investment

percent of the outstanding. (6) shares listed on the Stock Exchange of Thailand and included in the SET 100 index calculation; (7) investment units of the Money Market Fund; (8) investment units of the

วันที่ 15 ตุลาคม 2545 1 NO. (SUTHA-SET) 010/2019/EN 15 May 2019 Subject: Management Discussion and Analysis of the Company and its subsidiary for period ended 31 March 2019 To: The President of the

1 --Translation-- Sor Gor 7/2018 January 19, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

1 --Translation-- Sor Gor 11/2018 February 22, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Audited) To: The President The Stock Exchange of Thailand