3323 No. PACE IR 2020/01 Date: 25 August 2020 Subject: Explanation of the Operating Results for the three-month period ended 30 September 2019 changing over 20% To: The President The Stock Exchange of

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. 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

with one bank totaling 55 million shares or 1.42% of total registered shares of that company. Subsequently, the Company partially sold these shares in the Stock Exchange (Auto matching) for debt

. 5. General Characteristics of the Transaction Transaction Type: Acquisition or Disposal of Assets of Category 2 as classified following the Notification of the Stock Exchange of Thailand Consideration

the Stock Exchange of Thailand period covers the duration of 6 months, starting from 6th December 2019 to 5th June 2020. December o The Company reported the result its Share Repurchase Program for

ที่ กตพ Ref. DBP. 108 / 2019 August 13, 2019 Subject : Clarification on Operating Results for the 2nd quarter and 6-month Period ending June 30, 2019 To : President The Stock Exchange of Thailand

Ref. DBP. 153 / 2019 November 11, 2019 Subject : Clarification on Operating Results for the 3rd quarter and 9-month Period ending September 30, 2019 To : President The Stock Exchange of Thailand

to owners of the parent of THB 4,393 million (+14% YoY), or earning per shares of 3.19 THB. For Q3/2017, the company and its subsidiaries recorded revenue from sales of goods and rendering of services