No. 256111002 14 November 2018 Subject: Management Discussion and Analysis for the third quarter ended 30 September 2018 To: President The Stock Exchange of Thailand M Vision Public Company Limited

Ref. POL. 140/2020 August 13th 2020 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P Syndicate Public Company

Discussion and Analysis Quarterly Ending September 30, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 4

FS 08/2020 14 May 2020 Subject Related transactions (Edited) To Director and President The Stock Exchange of Thailand Forth Smart Service Public Company Limited (“the Company”) would like to inform

may be greater. As a result, the company is required to disclose information memorandum pertaining to the transaction to the Stock Exchange of Thailand, together with appointing an Independent Financial

President The Stock Exchange of Thailand Capital Engineering Network Public Company Limited (“the company” or “CEN”) hereby noticed that resolution from Board of Directors No.4/2020 held on August 14, 2020

Shares of Taitanan Company Limited (a Joint Venture Company) To : President, The Stock Exchange of Thailand Enclosure : Information Memorandum Concerning the Acquisition of Nava Nakorn Public Company

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

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

ED-MD2020-0022 June 25th, 2020 Subject: Information Memorandum regarding the approval and ratification of the purchase land 3 plots Attention: Directors and Managers The Stock Exchange of Thailand