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

No CS11/2017 August 9, 2017 Attention President The Stock Exchange of Thailand Subject Declaration of Operating Results for the second quarter of year 2017 For the three-month period ended June 30

1188 FAX : +66 (0) 2625 1103 www.jubileediamond.co.th CS10/2018 August 7, 2018 Attention President The Stock Exchange of Thailand Subject Declaration of Operating Results for the second quarter of year

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

number of treasury stock The Corporate Group’s total assets as at December 31, 2018 increased from the end of year 2017 by Baht 120.55 million or 4 percent, due to the net increase in inventory of Baht

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

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

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

treasury stock The Corporate Group’s total assets as at September 30, 2018 increased from the end of year 2017 by Baht 53.68 million or 1.78 percent, due to a net increase in inventory of Baht 112.31 million