No. ADD 31/2022 8 November 2022 Subject: Management discussion and analysis for the performance for the nine-month period ended 30 September 2022 To: President The Stock Exchange of Thailand AddTech

1 No. ACE-ACC-2/2023 12 May 2023 Subject Management Discussion and Analysis for the period ended 31 March 2023 To President The Stock Exchange of Thailand Absolute Clean Energy Public Company Limited

No. ADD 20/2023 10 August 2023 Subject: Management discussion and analysis for the performance for the six-month period ended 30 June 2023 To: President The Stock Exchange of Thailand AddTech Hub

No. ADD 22/2023 9 November 2023 Subject: Management discussion and analysis for the performance for the nine-month period ended 30 September 2023 To: President The Stock Exchange of Thailand AddTech

offer for all securities of the business; (8) “business” means a company whose securities are listed on the stock exchange, a company whose securities are traded in the securities trading center, or a

to investors in private placement, the acquisition of assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise 2) To : President, The Stock Exchange of Thailand

operating results for the 3-month period and 6-month period ending June 30, 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its Subsidiary (together

Ref. DBP. 141 / 2017 November 13, 2017 Subject : Clarification on Operating Results for the 3-Month Period and 9-Month Period ending September 30, 2017 To : President The Stock Exchange of Thailand

came from the provision for damage of missing stock recorded in the 3rd quarter of 2017.  Financial costs Consolidated financial costs for the 3rd quarter of 2017 and 2016 amounting to THB 249 million

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