23_MDA Q3_2563 EN -Translation- No. ECF2 038/2020 16 November 2020 Subject: Management Discussion and Analysis of the 3rd quarter and 9-month period ended 30 September 2020 To President The Stock

30, 2019 To : President The Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis of significant changes for the

March 12,2020 Subject: Notification of the disposal of shares in the Biogas Power Plant Business of Akkrawat Crop Rotation Energy Company Limited (Revised No.2) Attention: President Stock Exchange of

the shareholding in subsidiary companies To: President The Stock Exchange of Thailand Attachment: 1. Structure of the shareholding in subsidiary companies 2. Information on the Connected Transaction of

1 Ref. No. IVL 007/08/2017 9 Aug 2017 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Reviewed Financial Statements and the Management Discussion and Analysis of

FY2019 Bangchak Corporation Plc. | in gross profit, even though the average selling price of Ethanol declined due to domestic ethanol stock remaining at high levels. Natural Resources Business Group

1 --Translation-- Sor Gor 7/2018 January 19, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

1 --Translation-- Sor Gor 11/2018 February 22, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Audited) To: The President The Stock Exchange of Thailand

DCORP 024/2019 May 14, 2019 Subject Report on the overall operation for first quarter of the year 2019 ended March 31, 2019 and the decrease in the overall operation more than 20 percent Attn President

six-month period, the Company reported total revenue amounting to 13,865.7 million baht, decreased by 1.4 percent from the same period last year. A decrease in total revenue was mainly due to airline