. DOD2019/004 February 20, 2019 Subject: Management’s discussion and analysis of the Company’s operating results for the year 2018 period To: President The Stock Exchange of Thailand DOD Biotech Public

resolutions of the Board of Directors’ Meeting No. 9/2018, which was held on November 27, 2018. This was due to the fact that the manufacturing business’ operating results were declining, the percent of

ที่ กตพ Ref. DBP. 030 / 2019 February 20, 2019 Subject : Clarification on Operating Results of Year 2018 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited

Ref. DBP. 024 / 2020 February 25, 2020 Subject : Clarification on Operating Results of Year 2019 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. 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

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

directly or indirectly, by themselves or combining with others exceeding fifty percent of the total number of shares with voting right of such legal entities. “parent company” means (1) company holding

operating performance of such property incur. Thanks to the rise in operating performance of investment properties owned by the Company, gain from fair value adjustment at THB 794m from Suntowers and THB 406m

shares for the total of THB 3,725 mn, thus a dividend rate payout ratio of 40% of the operating net profit for 2016. Dividend was paid on 19 May 2017. Table 4: Financial Position (1)Investment Properties