13 February 2020 Subject Management Discussion and Analysis for the three months ended March 31, 2020 To The President The Stock Exchange of Thailand Do Day Dream Public Company Limited (the “Company

) higher excise tax as well as sugar tax following the Excise Act, B.E. 2560, effective since 16 September 2017; 5) higher R&D expenses which had quite an impact at the beginning of the projects; and 6

Statement (“Registration Statement”), and the effective date of the Registration Statement; - Specify the investor warning as follows: “Before investing, investors must exercise their discretion in

., the subsidiary of the Company, and change in the accounting policy regarding the record of the land appraisal To: President The Stock Exchange of Thailand Attachment: Information Memorandum on the Asset

over subscription 2 times amidst challenging market condition. The Debentures have a term of 2-10 years with effective interest rate of 4.18% p.a. The proceeds from the issuance of the Debentures will be

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

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

bond allowing the bondholder to convert bond to the Company’s stock at the adjusted conversion price at THB 4.40 per share. Page 2 of 11 Singha Estate Public Company Limited Management Discussion and