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

ที่ กตพ Ref. DBP. 073 / 2019 May 13, 2019 Subject : Clarification on Operating Results for the 1st quarter ending March 31, 2019 To : President The Stock Exchange of Thailand Diamond Building

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

% yoy) because EBITDA from FA business was lower due to stock loss as CPKO price drop. Moreover, the company recognized profit of THB 20 million from investments in the Thai Ethoxylate Company Limited

discount since the demand and supply of biodiesel close to equilibrium. With deducting the effect of Stock Gain & NRV of THB 92 million, the Company had Adjusted EBITDA of THB 253 million, an increase of 18

mandatory diesel to gradually replace B7 since January 2020. Comparison with 1Q2020, CPO price plummeted, pressured by a high level of CPO stock in Thailand due to high seasonal palm production in this

compared to prior quarter owing to the higher transportation during travel season and fuel traders M.7.’s preparing the stock of biodiesel B10 which would soon be the mandatory diesel shift from biodiesel B7

General Meeting of Shareholders, Dividend Payment and Connected Transaction Attn: President, the Stock Exchange of Thailand The Board of Directors Meeting of Vinythai Public Company Limited No. 1/2018, held

Extraordinary General Meeting of the Shareholders No. 1/2561, Plans for listing CAZ (Thailand) Co., Ltd. on the Market of Alternative Investment (mai) – Revised Attention The President The Stock Exchange of

1 No. ACC 2019/004 13 August 2019 Subject : Management Discussion and Analysis for the three-month and six-month period ended 30 June 2019 To : President The Stock Exchange of Thailand Index Living