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

1 EFORL 031/2017 August 15, 2017 Subject: Notification the waiver of subscription right to capital increase of WCI Holding Co., Ltd. To: President The Stock Exchange of Thailand Ref: Letter no. EFORL

Bangkok Commercial Asset Management Public Company Limited Page 1 13 December 2019 Subject Management Discussion and Analysis for nine-month period ended 30 September 2019 To The President The Stock

Ref. No. IVL [002/08/2019] 8 August 2019 The President The Stock Exchange of Thailand Subject: Submission of Quartely Review of Financial Statements and the Management Discussion and Analysis of

0 ] Ref. No. IVL 001/05/2021 6 May 2021 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation Public Company Limited The Meeting of the Board of Directors No. 8/2017 of Demeter

Disposition of Assets of the Company Attention: President, The Stock Exchange of Thailand A resolution of the Board of Directors Meeting No. 3/2019 of Seven Utilities and Power Public Company Limited (“7UP

Disposition of Assets of the Company (Amended) Attention: President, The Stock Exchange of Thailand A resolution of the Board of Directors Meeting No. 3/2019 of Seven Utilities and Power Public Company Limited

Disposition of Assets of the Company (Amended 2) Attention: President, The Stock Exchange of Thailand A resolution of the Board of Directors Meeting No. 3/2019 of Seven Utilities and Power Public Company

  March 20, 2018 Subject The amendment of Information Memorandum on Acquisition of Assets To President The Stock Exchange of Thailand According, Bangkok Dec-con Public Company Limited has reported