DCORP 024/2018 March 2, 2018 Subject: Report on the overall operation for year 2017 ended December 31, 2017 and the decrease in the overall operation more than 20 percent. (Revised) Attention: President

telecommunications in the digital age. Based on the potential of physical, location, and readiness of basic infrastructure of Thammasat University, Rangsit Center, and Nava Nakorn Industrial Zone in Pathumthani

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

content acquisition to support the growth of the business since 2017 and the fact that the Thai Baht value appreciated against US Dollar, the Company had loss on exchange rate, resulting in a decrease in

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

continued to grow and signaled future investment. Tourism–related businesses expanded thanks to a growing number of Chinese tourists. On the other hand, expansion of real estate and construction businesses

12.79 (0.82) 3.03 31.36 4. SIGNIFICANT EVENTS The Board of Directors’ meeting No.13 / 2017 held on 31 August 2017 had a resolution on the interim dividend payment, based on the operating results of six

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. 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