To : President The Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis for the three month-period and six month

Discussion and Analysis for 1st quarter ended as of March 31, 2018 Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (“the Company”) would like to submit the company and its

-1 1 Ref. LPN/SorKor/119/2563 7th May 2020 Re: Financial Statements Analysis Report Q1/2020 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co.,Ltd. would like to submit the

-Translated Version- No. ECF2 032/2020 14 August 2020 Subject: Management Discussion and Analysis of the 2nd quarter and 6-month period ended 30 June 2020 To President The Stock Exchange of Thailand

28 April 2020 At: ACC/HO 011/63 Re: Management Discussion and Analysis for the Quarter of 1/2020 To: President The Stock Exchange of Thailand Following the Coronavirus 2019 (COVID-19) pandemic and

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

Ref. No. IVL 003/02/2019 26 February 2019 The President The Stock Exchange of Thailand Subject: Submission of Annual Audited Financial Statements and the Management Discussion and Analysis of

1 (Translation) AT JSP/61/02/02 February 6, 2018 Subject The disposal of investment of joint venture (Revise) To The President The Stock Exchange of Thailand The Board of Director’s Meeting No.1/2018

financial institution under the Law on Loan Interests of Financial Institutions; “Stock Exchange” means the Stock Exchange of Thailand under the Law on Securities and Exchange; “SEC Office” means the Office

securities of Glow Energy Public Company Limited, and the scheduling of Extraordinary General Meeting of Shareholders No. 1/2018 Attention: President Stock Exchange of Thailand Enclosure: Information