of financial institutions and debenture together with minimizing the impacts from full loan guarantee provided to Power Plant business and its high debt resulting in decreasing in debt to equity ratio

-1- AIT (VP-SEC) 014E/2023 May 8, 2023 Subject: Management's Discussion and Analysis of Operating Results for Q1-2023 To: The President of the Stock Exchange of Thailand Summary of Operations Q1-2023

Stock Exchange ," %! ' trading cost ()*'P*O* % 50% M$#" traditional exchange .%#$.KL#()* traditional exchange *)"O*P.M$()* \% "O*!"*P' )bML"')*O#"L"`.jL,""O%j()*&P*M$ # direct market access O* &P*#$!#bML

has disclosed the issue about the procurement process of raw materials to The Stock Exchange of Thailand in Global Green Chemicals Public Company Limited Management’s Discussion and Analysis | 3 2Q2018

the new TFRS 16 – Lease of THB 7,416 million and increase in long- term loans. Shareholders’ Equity As of 30 June 2020, Shareholders’ Equity of THB 4,665 million, decreased by THB 1,240 million or 21.0

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

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