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

quantity of the past 10 years. The weather forecast of the Department of Meteorology was expected that the total rainfall in the Eastern part of Thailand will be nearly average level during August

Ref. DBP. 068 / 2018 May 14, 2018 Subject : Clarification on operating results for the 1st Quarter ending March 31, 2018 To : President The Stock Exchange of Thailand Diamond Building Products Public

ที่ กตพ Ref. DBP. 107 / 2018 August 14, 2018 Subject : Clarification on Operating Results for the 3-month Period and 6-month Period ending June 30, 2018 To : President The Stock Exchange of Thailand

Thailand Diamond Building Products Public Company Limited and its Subsidiary (together referred to as “Corporate Group”) would like to clarify on the operating results according to the consolidated financial

investments in machinery, subsidiaries, and joint ventures both in Thailand and overseas. Page 5 Q4/2019 Net Profit The Company and its subsidiaries recorded net loss of Baht 60 million, a decrease loss from

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

March 2020 Attention: President The Stock Exchange of Thailand In accordance with the resolution of the Board of Directors of Jaymart Public Company Limited ("the Company") No. 6/2020 on 15 May 2020 the

costs such as SG&A, financing costs, and other costs. Thailand economic situation in 2020: the Bank of Thailand revised up its growth forecast for this year to 7.8% contraction, from its previous forecast

government’s emergency decree launched in late March 2020, while others were closed due to plunging demand. At the same time, the Bank of Thailand opted to cut the policy rate and implement additional measures