. Notification of the Office of the Securities and Exchange Commission No. Sor Thor. 35/2557 Re: Rules in Detail on Communication with and Providing Services to Clients of Securities Companies and Derivatives

Energy Recovery Unit from Thai Oil Public Company Limited and entry into the relevant agreements (Edited) Attention: President Stock Exchange of Thailand Enclosure: Information Memorandum on Asset

Page 1 of 9 Ref. PDI/BK-BS-049/2017 31 August 2017 To: President The Stock Exchange of Thailand Re: Acquisition of shares in Symbior Elements Pte. Ltd. Enclosure: Information Memorandum regarding the

Company to entering into the Assets Sale and Purchase Agreement for Kitchen Plus Restaurant Franchise Business with Kitchen Plus 999 Co., Ltd. Attn.: President The Stock Exchange of Thailand NPPG (Thailand

February 21,2020 Subject: Notification of the disposal of in the Biogas Power Plant Business of Akkrawat Crop Rotation Energy Company Limited Attention: President Stock Exchange of Thailand Demeter

statements, etc. 9 Amended by the Notification of the Office of the Securities and Exchange Commission No. Sor Jor. 40/2558 Re: Granting of Approval of Financial Advisors and Their Scope of Work (No. 2) dated

30-E 1/1 RC 030/18 10 May 2018 Subject : Report on the Company’s operating results for the first quarter of the year 2018 Attention : President of the Stock Exchange of Thailand The Board of

, www.getabecboiler.com No. GTB-AC001/2562 22 February 2019 Subject: Management Discussion and Analysis for the year ended December 31, 2018 To: Managing Director The Stock Exchange of Thailand Getabec Public Company

the year 2018 Attn: Director and Manager, The Stock Exchange of Thailand With respect to the financial statements for the year 2 018 , as submitted by the Company, which has been audited by the external

February 17, 2020 To: The President The Stock Exchange of Thailand Re: 2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to report the Company’s 2019 operating