of the Board of Directors Meeting No. 2/2019 and the convening of the 2019 Annual General Shareholders Meeting To President Stock Exchange of Thailand Reference Letter to the President of the Stock

Disposal of Assets. Therefore, the Company is required to immediately disclose the information memorandum on entering into Enclosure such transaction to the Stock Exchange of Thailand (the “SET”) and send a

; “central securities depository” means any central securities depository according to the Law on Securities and Exchange; “Stock Exchange” means the Stock Exchange of Thailand according to the Law on

Company has an obligation to report and disclose the information of transaction to the Stock Exchange of Thailand immediately and submit a written notice to its shareholders within 21 days from the date of

(English Translation) Page 1 Date : 5 February 2018 Subject : Notification of the Board of Directors’ Resolution Concerning the Plan to Spin Off its Subsidiary and to List Shares on the Stock

Connected Transaction and the Scheduling of the Extraordinary General Meeting of Shareholders No. 1/2019 Attention : The President of the Stock Exchange of Thailand Enclosure : Information Memorandum on

Company is required to make a report, disclose the information memorandum on the entering into such transaction to the Stock Exchange of Thailand (“SET”), and convene the shareholders’ meeting in order to

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

the Connected Transaction and Scheduling of Extraordinary General Meeting of Shareholders No. 1/2017 Attention : The President of the Stock Exchange of Thailand Enclosure: Information Memorandum on the

into the Connected Transaction and Scheduling of Extraordinary General Meeting of Shareholders No. 1/2017 Attention : The President of the Stock Exchange of Thailand Enclosure: Information Memorandum on